diff --git a/src/core/SkColorMatrixFilterRowMajor255.cpp b/src/core/SkColorMatrixFilterRowMajor255.cpp
index 94e3c7e..9262e5b 100644
--- a/src/core/SkColorMatrixFilterRowMajor255.cpp
+++ b/src/core/SkColorMatrixFilterRowMajor255.cpp
@@ -210,14 +210,15 @@
 
             if (nullptr == args.fInputColor) {
                 // could optimize this case, but we aren't for now.
-                args.fInputColor = "vec4(1)";
+                args.fInputColor = "float4(1)";
             }
             GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
             // The max() is to guard against 0 / 0 during unpremul when the incoming color is
             // transparent black.
             fragBuilder->codeAppendf("\tfloat nonZeroAlpha = max(%s.a, 0.00001);\n",
                                      args.fInputColor);
-            fragBuilder->codeAppendf("\t%s = %s * vec4(%s.rgb / nonZeroAlpha, nonZeroAlpha) + %s;\n",
+            fragBuilder->codeAppendf("\t%s = %s * float4(%s.rgb / nonZeroAlpha, nonZeroAlpha) + "
+                                     "%s;\n",
                                      args.fOutputColor,
                                      uniformHandler->getUniformCStr(fMatrixHandle),
                                      args.fInputColor,
diff --git a/src/core/SkNormalFlatSource.cpp b/src/core/SkNormalFlatSource.cpp
index 2879c8e..1e97ca7 100644
--- a/src/core/SkNormalFlatSource.cpp
+++ b/src/core/SkNormalFlatSource.cpp
@@ -35,7 +35,7 @@
         void emitCode(EmitArgs& args) override {
             GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
 
-            fragBuilder->codeAppendf("%s = vec4(0, 0, 1, 0);", args.fOutputColor);
+            fragBuilder->codeAppendf("%s = float4(0, 0, 1, 0);", args.fOutputColor);
         }
 
     private:
diff --git a/src/core/SkNormalMapSource.cpp b/src/core/SkNormalMapSource.cpp
index 326ce63..d2ac97d 100644
--- a/src/core/SkNormalMapSource.cpp
+++ b/src/core/SkNormalMapSource.cpp
@@ -58,12 +58,12 @@
 
             SkString dstNormalColorName("dstNormalColor");
             this->emitChild(0, &dstNormalColorName, args);
-            fragBuilder->codeAppendf("vec3 normal = normalize(%s.rgb - vec3(0.5));",
+            fragBuilder->codeAppendf("float3 normal = normalize(%s.rgb - float3(0.5));",
                                      dstNormalColorName.c_str());
 
             // If there's no x & y components, return (0, 0, +/- 1) instead to avoid division by 0
             fragBuilder->codeAppend( "if (abs(normal.z) > 0.999) {");
-            fragBuilder->codeAppendf("    %s = normalize(vec4(0.0, 0.0, normal.z, 0.0));",
+            fragBuilder->codeAppendf("    %s = normalize(float4(0.0, 0.0, normal.z, 0.0));",
                     args.fOutputColor);
             // Else, Normalizing the transformed X and Y, while keeping constant both Z and the
             // vector's angle in the XY plane. This maintains the "slope" for the surface while
@@ -71,13 +71,13 @@
             // Here, we call 'scaling factor' the number that must divide the transformed X and Y so
             // that the normal's length remains equal to 1.
             fragBuilder->codeAppend( "} else {");
-            fragBuilder->codeAppendf("    vec2 transformed = %s * normal.xy;",
+            fragBuilder->codeAppendf("    float2 transformed = %s * normal.xy;",
                     xformUniName);
             fragBuilder->codeAppend( "    float scalingFactorSquared = "
                                                  "( (transformed.x * transformed.x) "
                                                    "+ (transformed.y * transformed.y) )"
                                                  "/(1.0 - (normal.z * normal.z));");
-            fragBuilder->codeAppendf("    %s = vec4(transformed*inversesqrt(scalingFactorSquared),"
+            fragBuilder->codeAppendf("    %s = float4(transformed*inversesqrt(scalingFactorSquared),"
                                                    "normal.z, 0.0);",
                     args.fOutputColor);
             fragBuilder->codeAppend( "}");
diff --git a/src/effects/GrAlphaThresholdFragmentProcessor.cpp b/src/effects/GrAlphaThresholdFragmentProcessor.cpp
index 6de452b..fab78ce 100644
--- a/src/effects/GrAlphaThresholdFragmentProcessor.cpp
+++ b/src/effects/GrAlphaThresholdFragmentProcessor.cpp
@@ -44,18 +44,18 @@
         SkSL::String sk_TransformedCoords2D_1 =
                 fragBuilder->ensureCoords2D(args.fTransformedCoords[1]);
         fragBuilder->codeAppendf(
-                "vec4 _tmpVar1;vec4 color = %stexture(%s, %s).%s%s;\nvec4 mask_color = texture(%s, "
-                "%s).%s;\nif (mask_color.w < 0.5) {\n    if (color.w > %s) {\n        float scale "
-                "= %s / color.w;\n        color.xyz *= scale;\n        color.w = %s;\n    }\n} "
-                "else if (color.w < %s) {\n    float scale = %s / max(0.001, color.w);\n    "
-                "color.xyz *= scale;\n    color.w = %s;\n}\n%s = color;\n",
+                "float4 _tmpVar1;float4 color = %stexture(%s, %s).%s%s;\nfloat4 mask_color = "
+                "texture(%s, %s).%s;\nif (mask_color.w < 0.5) {\n    if (color.w > %s) {\n        "
+                "float scale = %s / color.w;\n        color.xyz *= scale;\n        color.w = %s;\n "
+                "   }\n} else if (color.w < %s) {\n    float scale = %s / max(0.001, color.w);\n   "
+                " color.xyz *= scale;\n    color.w = %s;\n}\n%s = color;\n",
                 fColorSpaceHelper.isValid() ? "(_tmpVar1 = " : "",
                 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(),
                 sk_TransformedCoords2D_0.c_str(),
                 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(),
                 fColorSpaceHelper.isValid()
-                        ? SkStringPrintf(", vec4(clamp((%s * vec4(_tmpVar1.rgb, 1.0)).rgb, 0.0, "
-                                         "_tmpVar1.a), _tmpVar1.a))",
+                        ? SkStringPrintf(", float4(clamp((%s * float4(_tmpVar1.rgb, 1.0)).rgb, "
+                                         "0.0, _tmpVar1.a), _tmpVar1.a))",
                                          args.fUniformHandler->getUniformCStr(
                                                  fColorSpaceHelper.gamutXformUniform()))
                                   .c_str()
diff --git a/src/effects/GrAlphaThresholdFragmentProcessor.fp b/src/effects/GrAlphaThresholdFragmentProcessor.fp
index 3c06dbe..e930ed9 100644
--- a/src/effects/GrAlphaThresholdFragmentProcessor.fp
+++ b/src/effects/GrAlphaThresholdFragmentProcessor.fp
@@ -53,8 +53,8 @@
 }
 
 void main() {
-    vec4 color = texture(image, sk_TransformedCoords2D[0], colorXform);
-    vec4 mask_color = texture(mask, sk_TransformedCoords2D[1]);
+    float4 color = texture(image, sk_TransformedCoords2D[0], colorXform);
+    float4 mask_color = texture(mask, sk_TransformedCoords2D[1]);
     if (mask_color.a < 0.5) {
         if (color.a > outerThreshold) {
             float scale = outerThreshold / color.a;
diff --git a/src/effects/GrCircleBlurFragmentProcessor.cpp b/src/effects/GrCircleBlurFragmentProcessor.cpp
index 2defcf2..1d281f0 100644
--- a/src/effects/GrCircleBlurFragmentProcessor.cpp
+++ b/src/effects/GrCircleBlurFragmentProcessor.cpp
@@ -236,16 +236,16 @@
         fCircleDataVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kVec4f_GrSLType,
                                                           kDefault_GrSLPrecision, "circleData");
         fragBuilder->codeAppendf(
-                "vec2 vec = vec2((sk_FragCoord.x - %s.x) * %s.w, (sk_FragCoord.y - %s.y) * "
+                "float2 vec = float2((sk_FragCoord.x - %s.x) * %s.w, (sk_FragCoord.y - %s.y) * "
                 "%s.w);\nfloat dist = length(vec) + (0.5 - %s.z) * %s.w;\n%s = %s * texture(%s, "
-                "vec2(dist, 0.5)).%s.w;\n",
+                "float2(dist, 0.5)).%s.w;\n",
                 args.fUniformHandler->getUniformCStr(fCircleDataVar),
                 args.fUniformHandler->getUniformCStr(fCircleDataVar),
                 args.fUniformHandler->getUniformCStr(fCircleDataVar),
                 args.fUniformHandler->getUniformCStr(fCircleDataVar),
                 args.fUniformHandler->getUniformCStr(fCircleDataVar),
                 args.fUniformHandler->getUniformCStr(fCircleDataVar), args.fOutputColor,
-                args.fInputColor ? args.fInputColor : "vec4(1)",
+                args.fInputColor ? args.fInputColor : "float4(1)",
                 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(),
                 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str());
     }
diff --git a/src/effects/GrCircleBlurFragmentProcessor.fp b/src/effects/GrCircleBlurFragmentProcessor.fp
index e87f365..01e5426 100644
--- a/src/effects/GrCircleBlurFragmentProcessor.fp
+++ b/src/effects/GrCircleBlurFragmentProcessor.fp
@@ -1,4 +1,4 @@
-in vec4 circleRect;
+in float4 circleRect;
 in float textureRadius;
 in float solidRadius;
 in uniform sampler2D blurProfileSampler;
@@ -7,7 +7,7 @@
 // x, y - the center of the circle
 // z    - inner radius that should map to 0th entry in the texture.
 // w    - the inverse of the distance over which the texture is stretched.
-uniform vec4 circleData;
+uniform float4 circleData;
 
 @optimizationFlags {
     kCompatibleWithCoverageAsAlpha_OptimizationFlag
@@ -278,10 +278,10 @@
 void main() {
     // We just want to compute "(length(vec) - circleData.z + 0.5) * circleData.w" but need to
     // rearrange for precision.
-    vec2 vec = vec2((sk_FragCoord.x - circleData.x) * circleData.w,
+    float2 vec = float2((sk_FragCoord.x - circleData.x) * circleData.w,
                     (sk_FragCoord.y - circleData.y) * circleData.w);
     float dist = length(vec) + (0.5 - circleData.z) * circleData.w;
-    sk_OutColor = sk_InColor * texture(blurProfileSampler, vec2(dist, 0.5)).a;
+    sk_OutColor = sk_InColor * texture(blurProfileSampler, float2(dist, 0.5)).a;
 }
 
 @test(testData) {
diff --git a/src/effects/SkArithmeticImageFilter.cpp b/src/effects/SkArithmeticImageFilter.cpp
index 2e61c45..6c6d607 100644
--- a/src/effects/SkArithmeticImageFilter.cpp
+++ b/src/effects/SkArithmeticImageFilter.cpp
@@ -254,12 +254,12 @@
 
                 // We don't try to optimize for this case at all
                 if (!args.fInputColor) {
-                    fragBuilder->codeAppend("const vec4 src = vec4(1);");
+                    fragBuilder->codeAppend("const float4 src = float4(1);");
                 } else {
-                    fragBuilder->codeAppendf("vec4 src = %s;", args.fInputColor);
+                    fragBuilder->codeAppendf("float4 src = %s;", args.fInputColor);
                 }
 
-                fragBuilder->codeAppendf("vec4 dst = %s;", dstColor.c_str());
+                fragBuilder->codeAppendf("float4 dst = %s;", dstColor.c_str());
                 fragBuilder->codeAppendf("%s = %s.x * src * dst + %s.y * src + %s.z * dst + %s.w;",
                                          args.fOutputColor, kUni, kUni, kUni, kUni);
                 fragBuilder->codeAppendf("%s = clamp(%s, 0.0, 1.0);\n", args.fOutputColor,
diff --git a/src/effects/SkBlurMaskFilter.cpp b/src/effects/SkBlurMaskFilter.cpp
index 9ecedbd..f927cc7 100644
--- a/src/effects/SkBlurMaskFilter.cpp
+++ b/src/effects/SkBlurMaskFilter.cpp
@@ -867,7 +867,7 @@
     fragBuilder->codeAppendf("float coord = ((abs(%s - 0.5 * %s) - 0.5 * %s)) / %s;",
                            loc, blurred_width, sharp_width, profileSize);
     fragBuilder->codeAppendf("%s = ", output);
-    fragBuilder->appendTextureLookup(sampler, "vec2(coord,0.5)");
+    fragBuilder->appendTextureLookup(sampler, "float2(coord,0.5)");
     fragBuilder->codeAppend(".a;");
     fragBuilder->codeAppendf("}");
 }
@@ -907,23 +907,23 @@
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
 
     if (args.fInputColor) {
-        fragBuilder->codeAppendf("vec4 src=%s;", args.fInputColor);
+        fragBuilder->codeAppendf("float4 src=%s;", args.fInputColor);
     } else {
-        fragBuilder->codeAppendf("vec4 src=vec4(1);");
+        fragBuilder->codeAppendf("float4 src=float4(1);");
     }
 
-    fragBuilder->codeAppendf("%s vec2 translatedPos = sk_FragCoord.xy - %s.xy;",
+    fragBuilder->codeAppendf("%s float2 translatedPos = sk_FragCoord.xy - %s.xy;",
                              precisionString.c_str(), rectName);
     fragBuilder->codeAppendf("%s float width = %s.z - %s.x;", precisionString.c_str(), rectName,
                              rectName);
     fragBuilder->codeAppendf("%s float height = %s.w - %s.y;", precisionString.c_str(), rectName,
                              rectName);
 
-    fragBuilder->codeAppendf("%s vec2 smallDims = vec2(width - %s, height - %s);",
+    fragBuilder->codeAppendf("%s float2 smallDims = float2(width - %s, height - %s);",
                              precisionString.c_str(), profileSizeName, profileSizeName);
     fragBuilder->codeAppendf("%s float center = 2.0 * floor(%s/2.0 + .25) - 1.0;",
                              precisionString.c_str(), profileSizeName);
-    fragBuilder->codeAppendf("%s vec2 wh = smallDims - vec2(center,center);",
+    fragBuilder->codeAppendf("%s float2 wh = smallDims - float2(center,center);",
                              precisionString.c_str());
 
     OutputRectBlurProfileLookup(fragBuilder, args.fTexSamplers[0], "horiz_lookup", profileSizeName,
@@ -1296,10 +1296,10 @@
 
     // warp the fragment position to the appropriate part of the 9patch blur texture
 
-    fragBuilder->codeAppendf("vec2 rectCenter = (%s.xy + %s.zw)/2.0;", rectName, rectName);
-    fragBuilder->codeAppendf("vec2 translatedFragPos = sk_FragCoord.xy - %s.xy;", rectName);
+    fragBuilder->codeAppendf("float2 rectCenter = (%s.xy + %s.zw)/2.0;", rectName, rectName);
+    fragBuilder->codeAppendf("float2 translatedFragPos = sk_FragCoord.xy - %s.xy;", rectName);
     fragBuilder->codeAppendf("float threshold = %s + 2.0*%s;", cornerRadiusName, blurRadiusName);
-    fragBuilder->codeAppendf("vec2 middle = %s.zw - %s.xy - 2.0*threshold;", rectName, rectName);
+    fragBuilder->codeAppendf("float2 middle = %s.zw - %s.xy - 2.0*threshold;", rectName, rectName);
 
     fragBuilder->codeAppendf(
            "if (translatedFragPos.x >= threshold && translatedFragPos.x < (middle.x+threshold)) {");
@@ -1315,8 +1315,8 @@
     fragBuilder->codeAppendf("translatedFragPos.y -= middle.y - 1.0;");
     fragBuilder->codeAppendf("}");
 
-    fragBuilder->codeAppendf("vec2 proxyDims = vec2(2.0*threshold+1.0);");
-    fragBuilder->codeAppendf("vec2 texCoord = translatedFragPos / proxyDims;");
+    fragBuilder->codeAppendf("float2 proxyDims = float2(2.0*threshold+1.0);");
+    fragBuilder->codeAppendf("float2 texCoord = translatedFragPos / proxyDims;");
 
     fragBuilder->codeAppendf("%s = ", args.fOutputColor);
     fragBuilder->appendTextureLookupAndModulate(args.fInputColor, args.fTexSamplers[0], "texCoord");
diff --git a/src/effects/SkDisplacementMapEffect.cpp b/src/effects/SkDisplacementMapEffect.cpp
index 6a7378b..626ff9f 100644
--- a/src/effects/SkDisplacementMapEffect.cpp
+++ b/src/effects/SkDisplacementMapEffect.cpp
@@ -566,17 +566,17 @@
     fColorSpaceHelper.emitCode(args.fUniformHandler, displacementMap.colorSpaceXform());
 
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
-    fragBuilder->codeAppendf("\t\tvec4 %s = ", dColor);
+    fragBuilder->codeAppendf("\t\tfloat4 %s = ", dColor);
     fragBuilder->appendTextureLookup(args.fTexSamplers[0], args.fTransformedCoords[0].c_str(),
                                    args.fTransformedCoords[0].getType());
     fragBuilder->codeAppend(";\n");
 
     // Unpremultiply the displacement
     fragBuilder->codeAppendf(
-        "\t\t%s.rgb = (%s.a < %s) ? vec3(0.0) : clamp(%s.rgb / %s.a, 0.0, 1.0);",
+        "\t\t%s.rgb = (%s.a < %s) ? float3(0.0) : clamp(%s.rgb / %s.a, 0.0, 1.0);",
         dColor, dColor, nearZero, dColor, dColor);
     SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[1]);
-    fragBuilder->codeAppendf("\t\tvec2 %s = %s + %s*(%s.",
+    fragBuilder->codeAppendf("\t\tfloat2 %s = %s + %s*(%s.",
                              cCoords, coords2D.c_str(), scaleUni, dColor);
 
     switch (displacementMap.xChannelSelector()) {
@@ -614,7 +614,7 @@
       default:
         SkDEBUGFAIL("Unknown Y channel selector");
     }
-    fragBuilder->codeAppend("-vec2(0.5));\t\t");
+    fragBuilder->codeAppend("-float2(0.5));\t\t");
 
     fGLDomain.sampleTexture(fragBuilder,
                             args.fUniformHandler,
diff --git a/src/effects/SkHighContrastFilter.cpp b/src/effects/SkHighContrastFilter.cpp
index 563cdef..6d9853e 100644
--- a/src/effects/SkHighContrastFilter.cpp
+++ b/src/effects/SkHighContrastFilter.cpp
@@ -251,26 +251,26 @@
                                                     "contrast", &contrast);
 
     if (nullptr == args.fInputColor) {
-        args.fInputColor = "vec4(1)";
+        args.fInputColor = "float4(1)";
     }
 
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
 
-    fragBuilder->codeAppendf("vec4 color = %s;", args.fInputColor);
+    fragBuilder->codeAppendf("float4 color = %s;", args.fInputColor);
 
     // Unpremultiply. The max() is to guard against 0 / 0.
     fragBuilder->codeAppendf("float nonZeroAlpha = max(color.a, 0.00001);");
-    fragBuilder->codeAppendf("color = vec4(color.rgb / nonZeroAlpha, nonZeroAlpha);");
+    fragBuilder->codeAppendf("color = float4(color.rgb / nonZeroAlpha, nonZeroAlpha);");
 
     // Grayscale.
     if (fConfig.fGrayscale) {
-        fragBuilder->codeAppendf("float luma = dot(color, vec4(%f, %f, %f, 0));",
+        fragBuilder->codeAppendf("float luma = dot(color, float4(%f, %f, %f, 0));",
                                  SK_LUM_COEFF_R, SK_LUM_COEFF_G, SK_LUM_COEFF_B);
-        fragBuilder->codeAppendf("color = vec4(luma, luma, luma, 0);");
+        fragBuilder->codeAppendf("color = float4(luma, luma, luma, 0);");
     }
 
     if (fConfig.fInvertStyle == InvertStyle::kInvertBrightness) {
-        fragBuilder->codeAppendf("color = vec4(1, 1, 1, 1) - color;");
+        fragBuilder->codeAppendf("color = float4(1, 1, 1, 1) - color;");
     }
 
     if (fConfig.fInvertStyle == InvertStyle::kInvertLightness) {
@@ -325,7 +325,7 @@
                                   "return p;",
                                   &hue2rgbFuncName);
         fragBuilder->codeAppendf("if (s == 0) {");
-        fragBuilder->codeAppendf("  color = vec4(l, l, l, 0);");
+        fragBuilder->codeAppendf("  color = float4(l, l, l, 0);");
         fragBuilder->codeAppendf("} else {");
         fragBuilder->codeAppendf("  float q = l < 0.5 ? l * (1 + s) : l + s - l * s;");
         fragBuilder->codeAppendf("  float p = 2 * l - q;");
diff --git a/src/effects/SkLightingImageFilter.cpp b/src/effects/SkLightingImageFilter.cpp
index aee77ae..817f96f 100644
--- a/src/effects/SkLightingImageFilter.cpp
+++ b/src/effects/SkLightingImageFilter.cpp
@@ -1863,7 +1863,7 @@
                               "pointToNormal",
                               SK_ARRAY_COUNT(gPointToNormalArgs),
                               gPointToNormalArgs,
-                              "\treturn normalize(vec3(-x * scale, -y * scale, 1));\n",
+                              "\treturn normalize(float3(-x * scale, -y * scale, 1));\n",
                               &pointToNormalName);
 
     static const GrShaderVar gInteriorNormalArgs[] =  {
@@ -1881,7 +1881,7 @@
                               normalBody.c_str(),
                               &normalName);
 
-    fragBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str());
+    fragBuilder->codeAppendf("\t\tfloat2 coord = %s;\n", coords2D.c_str());
     fragBuilder->codeAppend("\t\tfloat m[9];\n");
 
     const char* imgInc = uniformHandler->getUniformCStr(fImageIncrementUni);
@@ -1891,10 +1891,10 @@
     for (int dy = 1; dy >= -1; dy--) {
         for (int dx = -1; dx <= 1; dx++) {
             SkString texCoords;
-            texCoords.appendf("coord + vec2(%d, %d) * %s", dx, dy, imgInc);
+            texCoords.appendf("coord + float2(%d, %d) * %s", dx, dy, imgInc);
             SkString temp;
             temp.appendf("temp%d", index);
-            fragBuilder->codeAppendf("vec4 %s;", temp.c_str());
+            fragBuilder->codeAppendf("float4 %s;", temp.c_str());
             fDomain.sampleTexture(fragBuilder,
                                   args.fUniformHandler,
                                   args.fShaderCaps,
@@ -1906,7 +1906,7 @@
             index++;
         }
     }
-    fragBuilder->codeAppend("\t\tvec3 surfaceToLight = ");
+    fragBuilder->codeAppend("\t\tfloat3 surfaceToLight = ");
     SkString arg;
     arg.appendf("%s * m[4]", surfScale);
     fLight->emitSurfaceToLight(uniformHandler, fragBuilder, arg.c_str());
@@ -1963,7 +1963,7 @@
     };
     SkString lightBody;
     lightBody.appendf("\tfloat colorScale = %s * dot(normal, surfaceToLight);\n", kd);
-    lightBody.appendf("\treturn vec4(lightColor * clamp(colorScale, 0.0, 1.0), 1.0);\n");
+    lightBody.appendf("\treturn float4(lightColor * clamp(colorScale, 0.0, 1.0), 1.0);\n");
     fragBuilder->emitFunction(kVec4f_GrSLType,
                               "light",
                               SK_ARRAY_COUNT(gLightArgs),
@@ -2064,11 +2064,11 @@
         GrShaderVar("lightColor", kVec3f_GrSLType)
     };
     SkString lightBody;
-    lightBody.appendf("\tvec3 halfDir = vec3(normalize(surfaceToLight + vec3(0, 0, 1)));\n");
+    lightBody.appendf("\tfloat3 halfDir = float3(normalize(surfaceToLight + float3(0, 0, 1)));\n");
     lightBody.appendf("\thighp float colorScale = %s * pow(dot(normal, halfDir), %s);\n",
                       ks, shininess);
-    lightBody.appendf("\tvec3 color = lightColor * clamp(colorScale, 0.0, 1.0);\n");
-    lightBody.appendf("\treturn vec4(color, max(max(color.r, color.g), color.b));\n");
+    lightBody.appendf("\tfloat3 color = lightColor * clamp(colorScale, 0.0, 1.0);\n");
+    lightBody.appendf("\treturn float4(color, max(max(color.r, color.g), color.b));\n");
     fragBuilder->emitFunction(kVec4f_GrSLType,
                               "light",
                               SK_ARRAY_COUNT(gLightArgs),
@@ -2141,7 +2141,7 @@
     fLocationUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                               kVec3f_GrSLType, kDefault_GrSLPrecision,
                                               "LightLocation", &loc);
-    fragBuilder->codeAppendf("normalize(%s - vec3(sk_FragCoord.xy, %s))",
+    fragBuilder->codeAppendf("normalize(%s - float3(sk_FragCoord.xy, %s))",
                              loc, z);
 }
 
@@ -2168,7 +2168,7 @@
                                               kVec3f_GrSLType, kDefault_GrSLPrecision,
                                               "LightLocation", &location);
 
-    fragBuilder->codeAppendf("normalize(%s - vec3(sk_FragCoord.xy, %s))",
+    fragBuilder->codeAppendf("normalize(%s - float3(sk_FragCoord.xy, %s))",
                              location, z);
 }
 
@@ -2204,7 +2204,7 @@
     SkString lightColorBody;
     lightColorBody.appendf("\tfloat cosAngle = -dot(surfaceToLight, %s);\n", s);
     lightColorBody.appendf("\tif (cosAngle < %s) {\n", cosOuter);
-    lightColorBody.appendf("\t\treturn vec3(0);\n");
+    lightColorBody.appendf("\t\treturn float3(0);\n");
     lightColorBody.appendf("\t}\n");
     lightColorBody.appendf("\tfloat scale = pow(cosAngle, %s);\n", exponent);
     lightColorBody.appendf("\tif (cosAngle < %s) {\n", cosInner);
diff --git a/src/effects/SkLumaColorFilter.cpp b/src/effects/SkLumaColorFilter.cpp
index fd958c3..2a065b3 100644
--- a/src/effects/SkLumaColorFilter.cpp
+++ b/src/effects/SkLumaColorFilter.cpp
@@ -60,16 +60,16 @@
 
         void emitCode(EmitArgs& args) override {
             if (nullptr == args.fInputColor) {
-                args.fInputColor = "vec4(1)";
+                args.fInputColor = "float4(1)";
             }
 
             GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
-            fragBuilder->codeAppendf("\tfloat luma = dot(vec3(%f, %f, %f), %s.rgb);\n",
+            fragBuilder->codeAppendf("\tfloat luma = dot(float3(%f, %f, %f), %s.rgb);\n",
                                      SK_ITU_BT709_LUM_COEFF_R,
                                      SK_ITU_BT709_LUM_COEFF_G,
                                      SK_ITU_BT709_LUM_COEFF_B,
                                      args.fInputColor);
-            fragBuilder->codeAppendf("\t%s = vec4(0, 0, 0, luma);\n",
+            fragBuilder->codeAppendf("\t%s = float4(0, 0, 0, luma);\n",
                                      args.fOutputColor);
 
         }
diff --git a/src/effects/SkMagnifierImageFilter.cpp b/src/effects/SkMagnifierImageFilter.cpp
index e640697..7b03307 100644
--- a/src/effects/SkMagnifierImageFilter.cpp
+++ b/src/effects/SkMagnifierImageFilter.cpp
@@ -199,30 +199,30 @@
 
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
-    fragBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str());
-    fragBuilder->codeAppendf("\t\tvec2 zoom_coord = %s + %s * %s;\n",
+    fragBuilder->codeAppendf("\t\tfloat2 coord = %s;\n", coords2D.c_str());
+    fragBuilder->codeAppendf("\t\tfloat2 zoom_coord = %s + %s * %s;\n",
                              uniformHandler->getUniformCStr(fOffsetVar),
                              coords2D.c_str(),
                              uniformHandler->getUniformCStr(fInvZoomVar));
     const char* bounds = uniformHandler->getUniformCStr(fBoundsVar);
-    fragBuilder->codeAppendf("\t\tvec2 delta = (coord - %s.xy) * %s.zw;\n", bounds, bounds);
-    fragBuilder->codeAppendf("\t\tdelta = min(delta, vec2(1.0, 1.0) - delta);\n");
+    fragBuilder->codeAppendf("\t\tfloat2 delta = (coord - %s.xy) * %s.zw;\n", bounds, bounds);
+    fragBuilder->codeAppendf("\t\tdelta = min(delta, float2(1.0, 1.0) - delta);\n");
     fragBuilder->codeAppendf("\t\tdelta = delta * %s;\n",
                              uniformHandler->getUniformCStr(fInvInsetVar));
 
     fragBuilder->codeAppend("\t\tfloat weight = 0.0;\n");
     fragBuilder->codeAppend("\t\tif (delta.s < 2.0 && delta.t < 2.0) {\n");
-    fragBuilder->codeAppend("\t\t\tdelta = vec2(2.0, 2.0) - delta;\n");
+    fragBuilder->codeAppend("\t\t\tdelta = float2(2.0, 2.0) - delta;\n");
     fragBuilder->codeAppend("\t\t\tfloat dist = length(delta);\n");
     fragBuilder->codeAppend("\t\t\tdist = max(2.0 - dist, 0.0);\n");
     fragBuilder->codeAppend("\t\t\tweight = min(dist * dist, 1.0);\n");
     fragBuilder->codeAppend("\t\t} else {\n");
-    fragBuilder->codeAppend("\t\t\tvec2 delta_squared = delta * delta;\n");
+    fragBuilder->codeAppend("\t\t\tfloat2 delta_squared = delta * delta;\n");
     fragBuilder->codeAppend("\t\t\tweight = min(min(delta_squared.x, delta_squared.y), 1.0);\n");
     fragBuilder->codeAppend("\t\t}\n");
 
-    fragBuilder->codeAppend("\t\tvec2 mix_coord = mix(coord, zoom_coord, weight);\n");
-    fragBuilder->codeAppend("\t\tvec4 output_color = ");
+    fragBuilder->codeAppend("\t\tfloat2 mix_coord = mix(coord, zoom_coord, weight);\n");
+    fragBuilder->codeAppend("\t\tfloat4 output_color = ");
     fragBuilder->appendTextureLookup(args.fTexSamplers[0], "mix_coord", kVec2f_GrSLType,
                                      &fColorSpaceHelper);
     fragBuilder->codeAppend(";\n");
diff --git a/src/effects/SkMorphologyImageFilter.cpp b/src/effects/SkMorphologyImageFilter.cpp
index 19481ac..a29bca3 100644
--- a/src/effects/SkMorphologyImageFilter.cpp
+++ b/src/effects/SkMorphologyImageFilter.cpp
@@ -226,11 +226,11 @@
     const char* func;
     switch (me.type()) {
         case GrMorphologyEffect::Type::kErode:
-            fragBuilder->codeAppendf("\t\t%s = vec4(1, 1, 1, 1);\n", args.fOutputColor);
+            fragBuilder->codeAppendf("\t\t%s = float4(1, 1, 1, 1);\n", args.fOutputColor);
             func = "min";
             break;
         case GrMorphologyEffect::Type::kDilate:
-            fragBuilder->codeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", args.fOutputColor);
+            fragBuilder->codeAppendf("\t\t%s = float4(0, 0, 0, 0);\n", args.fOutputColor);
             func = "max";
             break;
         default:
@@ -254,8 +254,8 @@
 
     int width = me.width();
 
-    // vec2 coord = coord2D;
-    fragBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str());
+    // float2 coord = coord2D;
+    fragBuilder->codeAppendf("\t\tfloat2 coord = %s;\n", coords2D.c_str());
     // coord.x -= radius * pixelSize;
     fragBuilder->codeAppendf("\t\tcoord.%s -= %d.0 * %s; \n", dir, me.radius(), pixelSizeInc);
     if (me.useRange()) {
diff --git a/src/effects/SkOverdrawColorFilter.cpp b/src/effects/SkOverdrawColorFilter.cpp
index b81fe6c..1fcd14f 100644
--- a/src/effects/SkOverdrawColorFilter.cpp
+++ b/src/effects/SkOverdrawColorFilter.cpp
@@ -150,7 +150,7 @@
 void GLOverdrawFragmentProcessor::emitCode(EmitArgs& args) {
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     if (nullptr == args.fInputColor) {
-        fragBuilder->codeAppendf("%s.rgba = vec4(%f, %f, %f, %f);", args.fOutputColor,
+        fragBuilder->codeAppendf("%s.rgba = float4(%f, %f, %f, %f);", args.fOutputColor,
                                                                     fColors[5].fRGBA[0],
                                                                     fColors[5].fRGBA[1],
                                                                     fColors[5].fRGBA[2],
@@ -158,37 +158,37 @@
     } else {
         fragBuilder->codeAppendf("float alpha = 255.0 * %s.a;", args.fInputColor);
         fragBuilder->codeAppendf("if (alpha < 0.5) {");
-        fragBuilder->codeAppendf("    %s.rgba = vec4(%f, %f, %f, %f);", args.fOutputColor,
+        fragBuilder->codeAppendf("    %s.rgba = float4(%f, %f, %f, %f);", args.fOutputColor,
                                                                         fColors[0].fRGBA[0],
                                                                         fColors[0].fRGBA[1],
                                                                         fColors[0].fRGBA[2],
                                                                         fColors[0].fRGBA[3]);
         fragBuilder->codeAppendf("} else if (alpha < 1.5) {");
-        fragBuilder->codeAppendf("    %s.rgba = vec4(%f, %f, %f, %f);", args.fOutputColor,
+        fragBuilder->codeAppendf("    %s.rgba = float4(%f, %f, %f, %f);", args.fOutputColor,
                                                                         fColors[1].fRGBA[0],
                                                                         fColors[1].fRGBA[1],
                                                                         fColors[1].fRGBA[2],
                                                                         fColors[1].fRGBA[3]);
         fragBuilder->codeAppendf("} else if (alpha < 2.5) {");
-        fragBuilder->codeAppendf("    %s.rgba = vec4(%f, %f, %f, %f);", args.fOutputColor,
+        fragBuilder->codeAppendf("    %s.rgba = float4(%f, %f, %f, %f);", args.fOutputColor,
                                                                         fColors[2].fRGBA[0],
                                                                         fColors[2].fRGBA[1],
                                                                         fColors[2].fRGBA[2],
                                                                         fColors[2].fRGBA[3]);
         fragBuilder->codeAppendf("} else if (alpha < 3.5) {");
-        fragBuilder->codeAppendf("    %s.rgba = vec4(%f, %f, %f, %f);", args.fOutputColor,
+        fragBuilder->codeAppendf("    %s.rgba = float4(%f, %f, %f, %f);", args.fOutputColor,
                                                                         fColors[3].fRGBA[0],
                                                                         fColors[3].fRGBA[1],
                                                                         fColors[3].fRGBA[2],
                                                                         fColors[3].fRGBA[3]);
         fragBuilder->codeAppendf("} else if (alpha < 4.5) {");
-        fragBuilder->codeAppendf("    %s.rgba = vec4(%f, %f, %f, %f);", args.fOutputColor,
+        fragBuilder->codeAppendf("    %s.rgba = float4(%f, %f, %f, %f);", args.fOutputColor,
                                                                         fColors[4].fRGBA[0],
                                                                         fColors[4].fRGBA[1],
                                                                         fColors[4].fRGBA[2],
                                                                         fColors[4].fRGBA[3]);
         fragBuilder->codeAppendf("} else {");
-        fragBuilder->codeAppendf("    %s.rgba = vec4(%f, %f, %f, %f);", args.fOutputColor,
+        fragBuilder->codeAppendf("    %s.rgba = float4(%f, %f, %f, %f);", args.fOutputColor,
                                                                         fColors[5].fRGBA[0],
                                                                         fColors[5].fRGBA[1],
                                                                         fColors[5].fRGBA[2],
diff --git a/src/effects/SkRRectsGaussianEdgeMaskFilter.cpp b/src/effects/SkRRectsGaussianEdgeMaskFilter.cpp
index 9842290..8b1856a 100644
--- a/src/effects/SkRRectsGaussianEdgeMaskFilter.cpp
+++ b/src/effects/SkRRectsGaussianEdgeMaskFilter.cpp
@@ -240,7 +240,7 @@
 
             // Positive distance is towards the center of the circle.
             // Map all the cases to the lower right quadrant.
-            fragBuilder->codeAppendf("vec2 delta = abs(sk_FragCoord.xy - %s.%s);",
+            fragBuilder->codeAppendf("float2 delta = abs(sk_FragCoord.xy - %s.%s);",
                                      posName, indices);
 
             switch (mode) {
@@ -254,7 +254,7 @@
                     break;
                 case kRect_Mode:
                     fragBuilder->codeAppendf(
-                        "vec2 rectDist = vec2(1.0 - clamp((%s.%c - delta.x)/%s, 0.0, 1.0),"
+                        "float2 rectDist = float2(1.0 - clamp((%s.%c - delta.x)/%s, 0.0, 1.0),"
                                              "1.0 - clamp((%s.%c - delta.y)/%s, 0.0, 1.0));",
                         sizesName, indices[0], radName,
                         sizesName, indices[1], radName);
@@ -293,20 +293,20 @@
                     // size of the RRect. In that case we don't want to go all the way to black.
                     fragBuilder->codeAppendf("float maxValue = insetDist/%s;", radName);
 
-                    fragBuilder->codeAppendf("vec2 coneBottom = vec2(%s.%c - insetDist,"
+                    fragBuilder->codeAppendf("float2 coneBottom = float2(%s.%c - insetDist,"
                                                                     "%s.%c - insetDist);",
                                              sizesName, indices[0], sizesName, indices[1]);
 
-                    fragBuilder->codeAppendf("vec2 cornerTop = vec2(%s.%c - %s.%c, %s.%c) -"
+                    fragBuilder->codeAppendf("float2 cornerTop = float2(%s.%c - %s.%c, %s.%c) -"
                                                                         "coneBottom;",
                                              sizesName, indices[0], radiiName, indices[0],
                                              sizesName, indices[1]);
-                    fragBuilder->codeAppendf("vec2 cornerRight = vec2(%s.%c, %s.%c - %s.%c) -"
+                    fragBuilder->codeAppendf("float2 cornerRight = float2(%s.%c, %s.%c - %s.%c) -"
                                                                         "coneBottom;",
                                              sizesName, indices[0],
                                              sizesName, indices[1], radiiName, indices[1]);
 
-                    fragBuilder->codeAppend("vec2 ptInConeSpace = delta - coneBottom;");
+                    fragBuilder->codeAppend("float2 ptInConeSpace = delta - coneBottom;");
                     fragBuilder->codeAppend("float distToPtInConeSpace = length(ptInConeSpace);");
 
                     fragBuilder->codeAppend("float cross1 =  ptInConeSpace.x * cornerTop.y -"
@@ -317,11 +317,11 @@
                     fragBuilder->codeAppend("float inCone = step(0.0, cross1) *"
                                                            "step(0.0, cross2);");
 
-                    fragBuilder->codeAppendf("vec2 cornerCenterInConeSpace = vec2(insetDist -"
+                    fragBuilder->codeAppendf("float2 cornerCenterInConeSpace = float2(insetDist -"
                                                                                  "%s.%c);",
                                              radiiName, indices[0]);
 
-                    fragBuilder->codeAppend("vec2 connectingVec = ptInConeSpace -"
+                    fragBuilder->codeAppend("float2 connectingVec = ptInConeSpace -"
                                                                         "cornerCenterInConeSpace;");
                     fragBuilder->codeAppend("ptInConeSpace = normalize(ptInConeSpace);");
 
@@ -389,7 +389,7 @@
                                radUniName, "secondDist", "zw");
             fragBuilder->codeAppend("}");
 
-            fragBuilder->codeAppend("vec2 distVec = vec2(1.0 - firstDist, 1.0 - secondDist);");
+            fragBuilder->codeAppend("float2 distVec = float2(1.0 - firstDist, 1.0 - secondDist);");
 
             // Finally use the distance to apply the Gaussian edge
             fragBuilder->codeAppend("float factor = clamp(length(distVec), 0.0, 1.0);");
diff --git a/src/effects/SkTableColorFilter.cpp b/src/effects/SkTableColorFilter.cpp
index 6472ccb..0fb9109 100644
--- a/src/effects/SkTableColorFilter.cpp
+++ b/src/effects/SkTableColorFilter.cpp
@@ -404,14 +404,14 @@
     if (nullptr == args.fInputColor) {
         // the input color is solid white (all ones).
         static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor;
-        fragBuilder->codeAppendf("\t\tvec4 coord = vec4(%f, %f, %f, %f);\n",
+        fragBuilder->codeAppendf("\t\tfloat4 coord = float4(%f, %f, %f, %f);\n",
                                  kMaxValue, kMaxValue, kMaxValue, kMaxValue);
 
     } else {
         fragBuilder->codeAppendf("\t\tfloat nonZeroAlpha = max(%s.a, .0001);\n", args.fInputColor);
-        fragBuilder->codeAppendf("\t\tvec4 coord = vec4(%s.rgb / nonZeroAlpha, nonZeroAlpha);\n",
+        fragBuilder->codeAppendf("\t\tfloat4 coord = float4(%s.rgb / nonZeroAlpha, nonZeroAlpha);\n",
                                  args.fInputColor);
-        fragBuilder->codeAppendf("\t\tcoord = coord * %f + vec4(%f, %f, %f, %f);\n",
+        fragBuilder->codeAppendf("\t\tcoord = coord * %f + float4(%f, %f, %f, %f);\n",
                                  kColorScaleFactor,
                                  kColorOffsetFactor, kColorOffsetFactor,
                                  kColorOffsetFactor, kColorOffsetFactor);
@@ -420,22 +420,22 @@
     SkString coord;
 
     fragBuilder->codeAppendf("\t\t%s.a = ", args.fOutputColor);
-    coord.printf("vec2(coord.a, %s.a)", yoffsets);
+    coord.printf("float2(coord.a, %s.a)", yoffsets);
     fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str());
     fragBuilder->codeAppend(".a;\n");
 
     fragBuilder->codeAppendf("\t\t%s.r = ", args.fOutputColor);
-    coord.printf("vec2(coord.r, %s.r)", yoffsets);
+    coord.printf("float2(coord.r, %s.r)", yoffsets);
     fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str());
     fragBuilder->codeAppend(".a;\n");
 
     fragBuilder->codeAppendf("\t\t%s.g = ", args.fOutputColor);
-    coord.printf("vec2(coord.g, %s.g)", yoffsets);
+    coord.printf("float2(coord.g, %s.g)", yoffsets);
     fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str());
     fragBuilder->codeAppend(".a;\n");
 
     fragBuilder->codeAppendf("\t\t%s.b = ", args.fOutputColor);
-    coord.printf("vec2(coord.b, %s.b)", yoffsets);
+    coord.printf("float2(coord.b, %s.b)", yoffsets);
     fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str());
     fragBuilder->codeAppend(".a;\n");
 
diff --git a/src/gpu/GrDefaultGeoProcFactory.cpp b/src/gpu/GrDefaultGeoProcFactory.cpp
index ec79053..c94c47a 100644
--- a/src/gpu/GrDefaultGeoProcFactory.cpp
+++ b/src/gpu/GrDefaultGeoProcFactory.cpp
@@ -86,7 +86,7 @@
                 varyingHandler->addVarying("color", &varying);
 
                 // There are several optional steps to process the color. Start with the attribute:
-                vertBuilder->codeAppendf("vec4 color = %s;", gp.inColor()->fName);
+                vertBuilder->codeAppendf("float4 color = %s;", gp.inColor()->fName);
 
                 // Linearize
                 if (gp.linearizeColor()) {
@@ -101,7 +101,7 @@
                                               "return (x <= 0.04045) ? (x / 12.92) "
                                               ": pow((x + 0.055) / 1.055, 2.4);",
                                               &srgbFuncName);
-                    vertBuilder->codeAppendf("color = vec4(%s(%s.r), %s(%s.g), %s(%s.b), %s.a);",
+                    vertBuilder->codeAppendf("color = float4(%s(%s.r), %s(%s.g), %s(%s.b), %s.a);",
                                              srgbFuncName.c_str(), gp.inColor()->fName,
                                              srgbFuncName.c_str(), gp.inColor()->fName,
                                              srgbFuncName.c_str(), gp.inColor()->fName,
@@ -110,7 +110,7 @@
 
                 // For SkColor, do a red/blue swap and premul
                 if (gp.fFlags & kColorAttributeIsSkColor_GPFlag) {
-                    vertBuilder->codeAppend("color = vec4(color.a * color.bgr, color.a);");
+                    vertBuilder->codeAppend("color = float4(color.a * color.bgr, color.a);");
                 }
 
                 // Do color-correction to destination gamut
@@ -163,9 +163,9 @@
             if (gp.hasVertexCoverage()) {
                 fragBuilder->codeAppendf("float alpha = 1.0;");
                 varyingHandler->addPassThroughAttribute(gp.inCoverage(), "alpha");
-                fragBuilder->codeAppendf("%s = vec4(alpha);", args.fOutputCoverage);
+                fragBuilder->codeAppendf("%s = float4(alpha);", args.fOutputCoverage);
             } else if (gp.coverage() == 0xff) {
-                fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage);
+                fragBuilder->codeAppendf("%s = float4(1);", args.fOutputCoverage);
             } else {
                 const char* fragCoverage;
                 fCoverageUniform = uniformHandler->addUniform(kFragment_GrShaderFlag,
@@ -173,7 +173,7 @@
                                                               kDefault_GrSLPrecision,
                                                               "Coverage",
                                                               &fragCoverage);
-                fragBuilder->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, fragCoverage);
+                fragBuilder->codeAppendf("%s = float4(%s);", args.fOutputCoverage, fragCoverage);
             }
         }
 
diff --git a/src/gpu/GrFragmentProcessor.h b/src/gpu/GrFragmentProcessor.h
index 78319c7..9c60808 100644
--- a/src/gpu/GrFragmentProcessor.h
+++ b/src/gpu/GrFragmentProcessor.h
@@ -18,7 +18,7 @@
 class GrShaderCaps;
 class GrSwizzle;
 
-/** Provides custom fragment shader code. Fragment processors receive an input color (vec4f) and
+/** Provides custom fragment shader code. Fragment processors receive an input color (float4) and
     produce an output color. They may reference textures and uniforms. They may use
     GrCoordTransforms to receive a transformation of the local coordinates that map from local space
     to the fragment being processed.
diff --git a/src/gpu/GrPathProcessor.cpp b/src/gpu/GrPathProcessor.cpp
index 39d418b..42668bc 100644
--- a/src/gpu/GrPathProcessor.cpp
+++ b/src/gpu/GrPathProcessor.cpp
@@ -44,7 +44,7 @@
         fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, stagedLocalVarName);
 
         // setup constant solid coverage
-        fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage);
+        fragBuilder->codeAppendf("%s = float4(1);", args.fOutputCoverage);
     }
 
     void emitTransforms(GrGLSLVaryingHandler* varyingHandler,
diff --git a/src/gpu/GrTextureStripAtlas.h b/src/gpu/GrTextureStripAtlas.h
index 8957aa3..a67438b 100644
--- a/src/gpu/GrTextureStripAtlas.h
+++ b/src/gpu/GrTextureStripAtlas.h
@@ -65,11 +65,11 @@
      *
      * If a regular texture access without using the atlas looks like:
      *
-     *      texture2D(sampler, vec2(x, y))
+     *      texture2D(sampler, float2(x, y))
      *
      * Then when using the atlas we'd replace it with:
      *
-     *       texture2D(sampler, vec2(x, yOffset + y * scaleFactor))
+     *       texture2D(sampler, float2(x, yOffset + y * scaleFactor))
      *
      * Where yOffset, returned by getYOffset(), is the offset to the start of the row within the
      * atlas and scaleFactor, returned by getNormalizedTexelHeight, is the normalized height of
diff --git a/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp b/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp
index 85b989b..332a64c 100644
--- a/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPRCoverageProcessor.cpp
@@ -122,7 +122,8 @@
                                           const TexelBufferHandle& pointsBuffer,
                                           const char* rtAdjust, GrGPArgs* gpArgs) const {
     v->codeAppendf("int packedoffset = %s.w;", proc.instanceAttrib());
-    v->codeAppend ("highp vec2 atlasoffset = vec2((packedoffset<<16) >> 16, packedoffset >> 16);");
+    v->codeAppend ("highp float2 atlasoffset = float2((packedoffset<<16) >> 16, "
+                                                     "packedoffset >> 16);");
 
     this->onEmitVertexShader(proc, v, pointsBuffer, "atlasoffset", rtAdjust, gpArgs);
 }
@@ -150,12 +151,12 @@
             fnBody.appendf("%s = %s * %s;",
                            fFragCoverageTimesWind.gsOut(), coverage, fGeomWind.c_str());
         }
-        fnBody.append ("gl_Position = vec4(position, 0, 1);");
+        fnBody.append ("gl_Position = float4(position, 0, 1);");
         fnBody.append ("EmitVertex();");
         return fnBody;
     }().c_str(), &emitVertexFn);
 
-    g->codeAppendf("highp vec2 bloat = %f * abs(%s.xz);", kAABloatRadius, rtAdjust);
+    g->codeAppendf("highp float2 bloat = %f * abs(%s.xz);", kAABloatRadius, rtAdjust);
 
 #ifdef SK_DEBUG
     if (proc.debugVisualizations()) {
@@ -172,7 +173,7 @@
     SkASSERT(numSides >= 3);
 
     if (!insetPts) {
-        g->codeAppendf("highp vec2 centroidpt = %s * vec%i(%f);",
+        g->codeAppendf("highp float2 centroidpt = %s * float%i(%f);",
                        polygonPts, numSides, 1.0 / numSides);
     }
 
@@ -180,44 +181,44 @@
                        "nextidx = (%s + 1) %% %i;",
                    wedgeIdx, numSides - 1, numSides, wedgeIdx, numSides);
 
-    g->codeAppendf("highp vec2 self = %s[%s];"
+    g->codeAppendf("highp float2 self = %s[%s];"
                    "highp int leftidx = %s > 0 ? previdx : nextidx;"
                    "highp int rightidx = %s > 0 ? nextidx : previdx;",
                    polygonPts, wedgeIdx, fGeomWind.c_str(), fGeomWind.c_str());
 
     // Which quadrant does the vector from self -> right fall into?
-    g->codeAppendf("highp vec2 right = %s[rightidx];", polygonPts);
+    g->codeAppendf("highp float2 right = %s[rightidx];", polygonPts);
     if (3 == numSides) {
         // TODO: evaluate perf gains.
-        g->codeAppend ("highp vec2 qsr = sign(right - self);");
+        g->codeAppend ("highp float2 qsr = sign(right - self);");
     } else {
         SkASSERT(4 == numSides);
-        g->codeAppendf("highp vec2 diag = %s[(%s + 2) %% 4];", polygonPts, wedgeIdx);
-        g->codeAppend ("highp vec2 qsr = sign((right != self ? right : diag) - self);");
+        g->codeAppendf("highp float2 diag = %s[(%s + 2) %% 4];", polygonPts, wedgeIdx);
+        g->codeAppend ("highp float2 qsr = sign((right != self ? right : diag) - self);");
     }
 
     // Which quadrant does the vector from left -> self fall into?
-    g->codeAppendf("highp vec2 qls = sign(self - %s[leftidx]);", polygonPts);
+    g->codeAppendf("highp float2 qls = sign(self - %s[leftidx]);", polygonPts);
 
     // d2 just helps us reduce triangle counts with orthogonal, axis-aligned lines.
     // TODO: evaluate perf gains.
     const char* dr2 = "dr";
     if (3 == numSides) {
         // TODO: evaluate perf gains.
-        g->codeAppend ("highp vec2 dr = vec2(qsr.y != 0 ? +qsr.y : +qsr.x, "
+        g->codeAppend ("highp float2 dr = float2(qsr.y != 0 ? +qsr.y : +qsr.x, "
                                             "qsr.x != 0 ? -qsr.x : +qsr.y);");
-        g->codeAppend ("highp vec2 dr2 = vec2(qsr.y != 0 ? +qsr.y : -qsr.x, "
+        g->codeAppend ("highp float2 dr2 = float2(qsr.y != 0 ? +qsr.y : -qsr.x, "
                                              "qsr.x != 0 ? -qsr.x : -qsr.y);");
-        g->codeAppend ("highp vec2 dl = vec2(qls.y != 0 ? +qls.y : +qls.x, "
+        g->codeAppend ("highp float2 dl = float2(qls.y != 0 ? +qls.y : +qls.x, "
                                             "qls.x != 0 ? -qls.x : +qls.y);");
         dr2 = "dr2";
     } else {
-        g->codeAppend ("highp vec2 dr = vec2(qsr.y != 0 ? +qsr.y : 1, "
+        g->codeAppend ("highp float2 dr = float2(qsr.y != 0 ? +qsr.y : 1, "
                                             "qsr.x != 0 ? -qsr.x : 1);");
-        g->codeAppend ("highp vec2 dl = (qls == vec2(0)) ? dr : vec2(qls.y != 0 ? +qls.y : 1, "
-                                                                    "qls.x != 0 ? -qls.x : 1);");
+        g->codeAppend ("highp float2 dl = (qls == float2(0)) ? dr : "
+                                       "float2(qls.y != 0 ? +qls.y : 1, qls.x != 0 ? -qls.x : 1);");
     }
-    g->codeAppendf("bvec2 dnotequal = notEqual(%s, dl);", dr2);
+    g->codeAppendf("bool2 dnotequal = notEqual(%s, dl);", dr2);
 
     // Emit one third of what is the convex hull of pixel-size boxes centered on the vertices.
     // Each invocation emits a different third.
@@ -235,7 +236,7 @@
     g->codeAppendf(    "%s(self + bloat * dl, 1);", emitVertexFn);
     g->codeAppend ("}");
     g->codeAppend ("if (all(dnotequal)) {");
-    g->codeAppendf(    "%s(self + bloat * vec2(-dl.y, dl.x), 1);", emitVertexFn);
+    g->codeAppendf(    "%s(self + bloat * float2(-dl.y, dl.x), 1);", emitVertexFn);
     g->codeAppend ("}");
     g->codeAppend ("EndPrimitive();");
 
@@ -246,18 +247,18 @@
                                          const char* leftPt, const char* rightPt,
                                          const char* distanceEquation) const {
     if (!distanceEquation) {
-        this->emitEdgeDistanceEquation(g, leftPt, rightPt, "highp vec3 edge_distance_equation");
+        this->emitEdgeDistanceEquation(g, leftPt, rightPt, "highp float3 edge_distance_equation");
         distanceEquation = "edge_distance_equation";
     }
 
     // qlr is defined in emitEdgeDistanceEquation.
-    g->codeAppendf("highp mat2 endpts = mat2(%s - bloat * qlr, %s + bloat * qlr);",
+    g->codeAppendf("highp float2x2 endpts = float2x2(%s - bloat * qlr, %s + bloat * qlr);",
                    leftPt, rightPt);
-    g->codeAppendf("mediump vec2 endpts_coverage = %s.xy * endpts + %s.z;",
+    g->codeAppendf("mediump float2 endpts_coverage = %s.xy * endpts + %s.z;",
                    distanceEquation, distanceEquation);
 
     // d1 is defined in emitEdgeDistanceEquation.
-    g->codeAppend ("highp vec2 d2 = d1;");
+    g->codeAppend ("highp float2 d2 = d1;");
     g->codeAppend ("bool aligned = qlr.x == 0 || qlr.y == 0;");
     g->codeAppend ("if (aligned) {");
     g->codeAppend (    "d1 -= qlr;");
@@ -286,16 +287,17 @@
                                                   const char* leftPt, const char* rightPt,
                                                   const char* outputDistanceEquation) const {
     // Which quadrant does the vector from left -> right fall into?
-    g->codeAppendf("highp vec2 qlr = sign(%s - %s);", rightPt, leftPt);
-    g->codeAppend ("highp vec2 d1 = vec2(qlr.y, -qlr.x);");
+    g->codeAppendf("highp float2 qlr = sign(%s - %s);", rightPt, leftPt);
+    g->codeAppend ("highp float2 d1 = float2(qlr.y, -qlr.x);");
 
-    g->codeAppendf("highp vec2 n = vec2(%s.y - %s.y, %s.x - %s.x);",
+    g->codeAppendf("highp float2 n = float2(%s.y - %s.y, %s.x - %s.x);",
                    rightPt, leftPt, leftPt, rightPt);
-    g->codeAppendf("highp vec2 kk = n * mat2(%s + bloat * d1, %s - bloat * d1);", leftPt, leftPt);
+    g->codeAppendf("highp float2 kk = n * float2x2(%s + bloat * d1, %s - bloat * d1);",
+                   leftPt, leftPt);
     // Clamp for when n=0. wind=0 when n=0 so as long as we don't get Inf or NaN we are fine.
     g->codeAppendf("highp float scale = 1 / max(kk[0] - kk[1], 1e-30);");
 
-    g->codeAppendf("%s = vec3(-n, kk[1]) * scale;", outputDistanceEquation);
+    g->codeAppendf("%s = float3(-n, kk[1]) * scale;", outputDistanceEquation);
 }
 
 void PrimitiveProcessor::emitCoverage(const GrCCPRCoverageProcessor& proc, GrGLSLFragmentBuilder* f,
@@ -314,11 +316,11 @@
             break;
     }
 
-    f->codeAppendf("%s = vec4(1);", outputCoverage);
+    f->codeAppendf("%s = float4(1);", outputCoverage);
 
 #ifdef SK_DEBUG
     if (proc.debugVisualizations()) {
-        f->codeAppendf("%s = vec4(-%s.a, %s.a, 0, 1);", outputColor, outputColor, outputColor);
+        f->codeAppendf("%s = float4(-%s.a, %s.a, 0, 1);", outputColor, outputColor, outputColor);
     }
 #endif
 }
@@ -327,17 +329,17 @@
                                                   const char* samplesName) const {
     // Standard DX11 sample locations.
 #if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_IOS)
-    f->defineConstant("highp vec2[8]", samplesName, "vec2[8]("
-        "vec2(+1, -3)/16, vec2(-1, +3)/16, vec2(+5, +1)/16, vec2(-3, -5)/16, "
-        "vec2(-5, +5)/16, vec2(-7, -1)/16, vec2(+3, +7)/16, vec2(+7, -7)/16."
+    f->defineConstant("highp float2[8]", samplesName, "float2[8]("
+        "float2(+1, -3)/16, float2(-1, +3)/16, float2(+5, +1)/16, float2(-3, -5)/16, "
+        "float2(-5, +5)/16, float2(-7, -1)/16, float2(+3, +7)/16, float2(+7, -7)/16."
     ")");
     return 8;
 #else
-    f->defineConstant("highp vec2[16]", samplesName, "vec2[16]("
-        "vec2(+1, +1)/16, vec2(-1, -3)/16, vec2(-3, +2)/16, vec2(+4, -1)/16, "
-        "vec2(-5, -2)/16, vec2(+2, +5)/16, vec2(+5, +3)/16, vec2(+3, -5)/16, "
-        "vec2(-2, +6)/16, vec2( 0, -7)/16, vec2(-4, -6)/16, vec2(-6, +4)/16, "
-        "vec2(-8,  0)/16, vec2(+7, -4)/16, vec2(+6, +7)/16, vec2(-7, -8)/16."
+    f->defineConstant("highp float2[16]", samplesName, "float2[16]("
+        "float2(+1, +1)/16, float2(-1, -3)/16, float2(-3, +2)/16, float2(+4, -1)/16, "
+        "float2(-5, -2)/16, float2(+2, +5)/16, float2(+5, +3)/16, float2(+3, -5)/16, "
+        "float2(-2, +6)/16, float2( 0, -7)/16, float2(-4, -6)/16, float2(-6, +4)/16, "
+        "float2(-8,  0)/16, float2(+7, -4)/16, float2(+6, +7)/16, float2(-7, -8)/16."
     ")");
     return 16;
 #endif
diff --git a/src/gpu/ccpr/GrCCPRCoverageProcessor.h b/src/gpu/ccpr/GrCCPRCoverageProcessor.h
index 574cf4a..befa1a9 100644
--- a/src/gpu/ccpr/GrCCPRCoverageProcessor.h
+++ b/src/gpu/ccpr/GrCCPRCoverageProcessor.h
@@ -215,13 +215,13 @@
     int emitEdgeGeometry(GrGLSLGeometryBuilder*, const char* emitVertexFn, const char* leftPt,
                          const char* rightPt, const char* distanceEquation = nullptr) const;
 
-    // Defines an equation ("dot(vec3(pt, 1), distance_equation)") that is -1 on the outside border
-    // of a conservative raster edge and 0 on the inside (see emitEdgeGeometry).
+    // Defines an equation ("dot(float3(pt, 1), distance_equation)") that is -1 on the outside
+    // border of a conservative raster edge and 0 on the inside (see emitEdgeGeometry).
     void emitEdgeDistanceEquation(GrGLSLGeometryBuilder*, const char* leftPt, const char* rightPt,
                                   const char* outputDistanceEquation) const;
 
-    // Defines a global vec2 array that contains MSAA sample locations as offsets from pixel center.
-    // Subclasses can use this for software multisampling.
+    // Defines a global float2 array that contains MSAA sample locations as offsets from pixel
+    // center. Subclasses can use this for software multisampling.
     //
     // Returns the number of samples.
     int defineSoftSampleLocations(GrGLSLFragmentBuilder*, const char* samplesName) const;
diff --git a/src/gpu/ccpr/GrCCPRCubicProcessor.cpp b/src/gpu/ccpr/GrCCPRCubicProcessor.cpp
index 9dfa8e1..5f6f759 100644
--- a/src/gpu/ccpr/GrCCPRCubicProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPRCubicProcessor.cpp
@@ -24,10 +24,10 @@
 #endif
 
     // Fetch all 4 cubic bezier points.
-    v->codeAppendf("ivec4 indices = ivec4(%s.y, %s.x, %s.x + 1, %s.y + 1);",
+    v->codeAppendf("int4 indices = int4(%s.y, %s.x, %s.x + 1, %s.y + 1);",
                    proc.instanceAttrib(), proc.instanceAttrib(), proc.instanceAttrib(),
                    proc.instanceAttrib());
-    v->codeAppend ("highp mat4x2 bezierpts = mat4x2(");
+    v->codeAppend ("highp float4x2 bezierpts = float4x2(");
     v->appendTexelFetch(pointsBuffer, "indices[sk_VertexID]");
     v->codeAppend (".xy, ");
     v->appendTexelFetch(pointsBuffer, "indices[(sk_VertexID + 1) % 4]");
@@ -38,24 +38,24 @@
     v->codeAppend (".xy);");
 
     // Find the corner of the inset geometry that corresponds to this bezier vertex (bezierpts[0]).
-    v->codeAppend ("highp mat2 N = mat2(bezierpts[3].y - bezierpts[0].y, "
-                                       "bezierpts[0].x - bezierpts[3].x, "
-                                       "bezierpts[1].y - bezierpts[0].y, "
-                                       "bezierpts[0].x - bezierpts[1].x);");
-    v->codeAppend ("highp mat2 P = mat2(bezierpts[3], bezierpts[1]);");
+    v->codeAppend ("highp float2x2 N = float2x2(bezierpts[3].y - bezierpts[0].y, "
+                                               "bezierpts[0].x - bezierpts[3].x, "
+                                               "bezierpts[1].y - bezierpts[0].y, "
+                                               "bezierpts[0].x - bezierpts[1].x);");
+    v->codeAppend ("highp float2x2 P = float2x2(bezierpts[3], bezierpts[1]);");
     v->codeAppend ("if (abs(determinant(N)) < 2) {"); // Area of [pts[3], pts[0], pts[1]] < 1px.
                        // The inset corner doesn't exist because we are effectively colinear with
                        // both neighbor vertices. Just duplicate a neighbor's inset corner.
     v->codeAppend (    "int smallidx = (dot(N[0], N[0]) > dot(N[1], N[1])) ? 1 : 0;");
-    v->codeAppend (    "N[smallidx] = vec2(bezierpts[2].y - bezierpts[3 - smallidx * 2].y, "
-                                          "bezierpts[3 - smallidx * 2].x - bezierpts[2].x);");
+    v->codeAppend (    "N[smallidx] = float2(bezierpts[2].y - bezierpts[3 - smallidx * 2].y, "
+                                            "bezierpts[3 - smallidx * 2].x - bezierpts[2].x);");
     v->codeAppend (    "P[smallidx] = bezierpts[2];");
     v->codeAppend ("}");
     v->codeAppend ("N[0] *= sign(dot(N[0], P[1] - P[0]));");
     v->codeAppend ("N[1] *= sign(dot(N[1], P[0] - P[1]));");
 
-    v->codeAppendf("highp vec2 K = vec2(dot(N[0], P[0] + %f * sign(N[0])), "
-                                       "dot(N[1], P[1] + %f * sign(N[1])));", inset, inset);
+    v->codeAppendf("highp float2 K = float2(dot(N[0], P[0] + %f * sign(N[0])), "
+                                           "dot(N[1], P[1] + %f * sign(N[1])));", inset, inset);
     v->codeAppendf("%s.xy = K * inverse(N) + %s;", fInset.vsOut(), atlasOffset);
     v->codeAppendf("%s.xy = %s.xy * %s.xz + %s.yw;",
                    fInset.vsOut(), fInset.vsOut(), rtAdjust, rtAdjust);
@@ -71,14 +71,15 @@
     v->codeAppend ("[sk_VertexID % 2];");
 
     // Emit the vertex position.
-    v->codeAppendf("highp vec2 self = bezierpts[0] + %s;", atlasOffset);
+    v->codeAppendf("highp float2 self = bezierpts[0] + %s;", atlasOffset);
     gpArgs->fPositionVar.set(kVec2f_GrSLType, "self");
 }
 
 void GrCCPRCubicProcessor::emitWind(GrGLSLGeometryBuilder* g, const char* rtAdjust,
                                     const char* outputWind) const {
     // We will define bezierpts in onEmitGeometryShader.
-    g->codeAppend ("highp float area_times_2 = determinant(mat3(1, bezierpts[0], "
+    g->codeAppend ("highp float area_times_2 = "
+                                          "determinant(float3x3(1, bezierpts[0], "
                                                                "1, bezierpts[2], "
                                                                "0, bezierpts[3] - bezierpts[1]));");
     // Drop curves that are nearly flat. The KLM  math becomes unstable in this case.
@@ -97,13 +98,13 @@
 void GrCCPRCubicProcessor::onEmitGeometryShader(GrGLSLGeometryBuilder* g, const char* emitVertexFn,
                                                 const char* wind, const char* rtAdjust) const {
     // Prepend bezierpts at the start of the shader.
-    g->codePrependf("highp mat4x2 bezierpts = mat4x2(sk_in[0].gl_Position.xy, "
+    g->codePrependf("highp float4x2 bezierpts = float4x2(sk_in[0].gl_Position.xy, "
                                                     "sk_in[1].gl_Position.xy, "
                                                     "sk_in[2].gl_Position.xy, "
                                                     "sk_in[3].gl_Position.xy);");
 
     // Evaluate the cubic at t=.5 for an approximate midpoint.
-    g->codeAppendf("highp vec2 midpoint = bezierpts * vec4(.125, .375, .375, .125);");
+    g->codeAppendf("highp float2 midpoint = bezierpts * float4(.125, .375, .375, .125);");
 
     // Finish finding the inset geometry we started in the vertex shader. The z component tells us
     // how "sharp" an inset corner is. And the vertex shader already skips one corner if it is
@@ -111,9 +112,9 @@
     // geometry is all empty (it should never be non-convex because the curve gets chopped into
     // convex segments ahead of time).
     g->codeAppendf("bool isempty = "
-                       "any(lessThan(vec4(%s[0].z, %s[1].z, %s[2].z, %s[3].z) * %s, vec4(2)));",
+                       "any(lessThan(float4(%s[0].z, %s[1].z, %s[2].z, %s[3].z) * %s, float4(2)));",
                    fInset.gsIn(), fInset.gsIn(), fInset.gsIn(), fInset.gsIn(), wind);
-    g->codeAppendf("highp vec2 inset[4];");
+    g->codeAppendf("highp float2 inset[4];");
     g->codeAppend ("for (int i = 0; i < 4; ++i) {");
     g->codeAppendf(    "inset[i] = isempty ? midpoint : %s[i].xy;", fInset.gsIn());
     g->codeAppend ("}");
@@ -127,8 +128,8 @@
     g->codeAppend ("lowp int numbackwards = 0;");
     g->codeAppend ("for (int i = 0; i < 4; ++i) {");
     g->codeAppend (    "lowp int j = (i + 1) % 4;");
-    g->codeAppendf(    "highp vec2 inner = inset[j] - inset[i];");
-    g->codeAppendf(    "highp vec2 outer = sk_in[j].gl_Position.xy - sk_in[i].gl_Position.xy;");
+    g->codeAppendf(    "highp float2 inner = inset[j] - inset[i];");
+    g->codeAppendf(    "highp float2 outer = sk_in[j].gl_Position.xy - sk_in[i].gl_Position.xy;");
     g->codeAppendf(    "backwards[i] = sign(dot(outer, inner));");
     g->codeAppendf(    "numbackwards += backwards[i] < 0 ? 1 : 0;");
     g->codeAppend ("}");
@@ -137,16 +138,16 @@
     // dropped on the floor later.
     g->codeAppend ("lowp int x = (backwards[0] != backwards[2]) ? 1 : 0;");
     g->codeAppend ("lowp int x3 = (x + 3) % 4;");
-    g->codeAppend ("highp mat2 X = mat2(inset[x].y - inset[x+1].y, "
-                                       "inset[x+1].x - inset[x].x, "
-                                       "inset[x+2].y - inset[x3].y, "
-                                       "inset[x3].x - inset[x+2].x);");
-    g->codeAppend ("highp vec2 KK = vec2(dot(X[0], inset[x]), dot(X[1], inset[x+2]));");
-    g->codeAppend ("highp vec2 crossoverpoint = KK * inverse(X);");
+    g->codeAppend ("highp float2x2 X = float2x2(inset[x].y - inset[x+1].y, "
+                                               "inset[x+1].x - inset[x].x, "
+                                               "inset[x+2].y - inset[x3].y, "
+                                               "inset[x3].x - inset[x+2].x);");
+    g->codeAppend ("highp float2 KK = float2(dot(X[0], inset[x]), dot(X[1], inset[x+2]));");
+    g->codeAppend ("highp float2 crossoverpoint = KK * inverse(X);");
 
     // Determine what point backwards edges should collapse into. If there is one backwards edge,
     // it should collapse to the crossover point. If >1, they should all collapse to the midpoint.
-    g->codeAppend ("highp vec2 collapsepoint = numbackwards == 1 ? crossoverpoint : midpoint;");
+    g->codeAppend ("highp float2 collapsepoint = numbackwards == 1 ? crossoverpoint : midpoint;");
 
     // Collapse backwards egdes to the "collapse" point.
     g->codeAppend ("for (int i = 0; i < 4; ++i) {");
@@ -157,46 +158,46 @@
 
     // Calculate the KLM matrix.
     g->declareGlobal(fKLMMatrix);
-    g->codeAppend ("highp vec4 K, L, M;");
+    g->codeAppend ("highp float4 K, L, M;");
     if (Type::kSerpentine == fType) {
-        g->codeAppend ("highp vec2 l,m;");
-        g->codeAppendf("l.ts = vec2(%s[0], %s[1]);", fTS.gsIn(), fTS.gsIn());
-        g->codeAppendf("m.ts = vec2(%s[2], %s[3]);", fTS.gsIn(), fTS.gsIn());
-        g->codeAppend ("K = vec4(0, l.s * m.s, -l.t * m.s - m.t * l.s, l.t * m.t);");
-        g->codeAppend ("L = vec4(-1,3,-3,1) * l.ssst * l.sstt * l.sttt;");
-        g->codeAppend ("M = vec4(-1,3,-3,1) * m.ssst * m.sstt * m.sttt;");
+        g->codeAppend ("highp float2 l,m;");
+        g->codeAppendf("l.ts = float2(%s[0], %s[1]);", fTS.gsIn(), fTS.gsIn());
+        g->codeAppendf("m.ts = float2(%s[2], %s[3]);", fTS.gsIn(), fTS.gsIn());
+        g->codeAppend ("K = float4(0, l.s * m.s, -l.t * m.s - m.t * l.s, l.t * m.t);");
+        g->codeAppend ("L = float4(-1,3,-3,1) * l.ssst * l.sstt * l.sttt;");
+        g->codeAppend ("M = float4(-1,3,-3,1) * m.ssst * m.sstt * m.sttt;");
 
     } else {
-        g->codeAppend ("highp vec2 d,e;");
-        g->codeAppendf("d.ts = vec2(%s[0], %s[1]);", fTS.gsIn(), fTS.gsIn());
-        g->codeAppendf("e.ts = vec2(%s[2], %s[3]);", fTS.gsIn(), fTS.gsIn());
-        g->codeAppend ("highp vec4 dxe = vec4(d.s * e.s, d.s * e.t, d.t * e.s, d.t * e.t);");
-        g->codeAppend ("K = vec4(0, dxe.x, -dxe.y - dxe.z, dxe.w);");
-        g->codeAppend ("L = vec4(-1,1,-1,1) * d.sstt * (dxe.xyzw + vec4(0, 2*dxe.zy, 0));");
-        g->codeAppend ("M = vec4(-1,1,-1,1) * e.sstt * (dxe.xzyw + vec4(0, 2*dxe.yz, 0));");
+        g->codeAppend ("highp float2 d,e;");
+        g->codeAppendf("d.ts = float2(%s[0], %s[1]);", fTS.gsIn(), fTS.gsIn());
+        g->codeAppendf("e.ts = float2(%s[2], %s[3]);", fTS.gsIn(), fTS.gsIn());
+        g->codeAppend ("highp float4 dxe = float4(d.s * e.s, d.s * e.t, d.t * e.s, d.t * e.t);");
+        g->codeAppend ("K = float4(0, dxe.x, -dxe.y - dxe.z, dxe.w);");
+        g->codeAppend ("L = float4(-1,1,-1,1) * d.sstt * (dxe.xyzw + float4(0, 2*dxe.zy, 0));");
+        g->codeAppend ("M = float4(-1,1,-1,1) * e.sstt * (dxe.xzyw + float4(0, 2*dxe.yz, 0));");
     }
 
-    g->codeAppend ("highp mat2x4 C = mat4(-1,  3, -3,  1, "
-                                         " 3, -6,  3,  0, "
-                                         "-3,  3,  0,  0, "
-                                         " 1,  0,  0,  0) * transpose(bezierpts);");
+    g->codeAppend ("highp float2x4 C = float4x4(-1,  3, -3,  1, "
+                                               " 3, -6,  3,  0, "
+                                               "-3,  3,  0,  0, "
+                                               " 1,  0,  0,  0) * transpose(bezierpts);");
 
-    g->codeAppend ("highp vec2 absdet = abs(C[0].xx * C[1].zy - C[1].xx * C[0].zy);");
+    g->codeAppend ("highp float2 absdet = abs(C[0].xx * C[1].zy - C[1].xx * C[0].zy);");
     g->codeAppend ("lowp int middlerow = absdet[0] > absdet[1] ? 2 : 1;");
 
-    g->codeAppend ("highp mat3 CI = inverse(mat3(C[0][0], C[0][middlerow], C[0][3], "
-                                                "C[1][0], C[1][middlerow], C[1][3], "
-                                                "      0,               0,       1));");
-    g->codeAppendf("%s = CI * mat3(K[0], K[middlerow], K[3], "
-                                  "L[0], L[middlerow], L[3], "
-                                  "M[0], M[middlerow], M[3]);", fKLMMatrix.c_str());
+    g->codeAppend ("highp float3x3 CI = inverse(float3x3(C[0][0], C[0][middlerow], C[0][3], "
+                                                        "C[1][0], C[1][middlerow], C[1][3], "
+                                                        "      0,               0,       1));");
+    g->codeAppendf("%s = CI * float3x3(K[0], K[middlerow], K[3], "
+                                      "L[0], L[middlerow], L[3], "
+                                      "M[0], M[middlerow], M[3]);", fKLMMatrix.c_str());
 
     // Orient the KLM matrix so we fill the correct side of the curve.
-    g->codeAppendf("lowp vec2 orientation = sign(vec3(midpoint, 1) * mat2x3(%s[1], %s[2]));",
+    g->codeAppendf("lowp float2 orientation = sign(float3(midpoint, 1) * float2x3(%s[1], %s[2]));",
                    fKLMMatrix.c_str(), fKLMMatrix.c_str());
-    g->codeAppendf("%s *= mat3(orientation[0] * orientation[1], 0, 0, "
-                              "0, orientation[0], 0, "
-                              "0, 0, orientation[1]);", fKLMMatrix.c_str());
+    g->codeAppendf("%s *= float3x3(orientation[0] * orientation[1], 0, 0, "
+                                  "0, orientation[0], 0, "
+                                  "0, 0, orientation[1]);", fKLMMatrix.c_str());
 
     g->declareGlobal(fKLMDerivatives);
     g->codeAppendf("%s[0] = %s[0].xy * %s.xz;",
@@ -227,7 +228,7 @@
 void GrCCPRCubicInsetProcessor::emitPerVertexGeometryCode(SkString* fnBody, const char* position,
                                                           const char* /*coverage*/,
                                                           const char* /*wind*/) const {
-    fnBody->appendf("highp vec3 klm = vec3(%s, 1) * %s;", position, fKLMMatrix.c_str());
+    fnBody->appendf("highp float3 klm = float3(%s, 1) * %s;", position, fKLMMatrix.c_str());
     fnBody->appendf("%s = klm;", fKLM.gsOut());
     fnBody->appendf("%s[0] = 3 * klm[0] * %s[0];", fGradMatrix.gsOut(), fKLMDerivatives.c_str());
     fnBody->appendf("%s[1] = -klm[1] * %s[2].xy - klm[2] * %s[1].xy;",
@@ -239,7 +240,7 @@
     f->codeAppendf("highp float k = %s.x, l = %s.y, m = %s.z;",
                    fKLM.fsIn(), fKLM.fsIn(), fKLM.fsIn());
     f->codeAppend ("highp float f = k*k*k - l*m;");
-    f->codeAppendf("highp vec2 grad = %s * vec2(k, 1);", fGradMatrix.fsIn());
+    f->codeAppendf("highp float2 grad = %s * float2(k, 1);", fGradMatrix.fsIn());
     f->codeAppend ("highp float d = f * inversesqrt(dot(grad, grad));");
     f->codeAppendf("%s = clamp(0.5 - d, 0, 1);", outputCoverage);
 }
@@ -250,8 +251,8 @@
     // We defined bezierpts in onEmitGeometryShader.
     g->declareGlobal(fEdgeDistanceEquation);
     g->codeAppendf("int edgeidx0 = %s > 0 ? 3 : 0;", wind);
-    g->codeAppendf("highp vec2 edgept0 = bezierpts[edgeidx0];");
-    g->codeAppendf("highp vec2 edgept1 = bezierpts[3 - edgeidx0];");
+    g->codeAppendf("highp float2 edgept0 = bezierpts[edgeidx0];");
+    g->codeAppendf("highp float2 edgept1 = bezierpts[3 - edgeidx0];");
     this->emitEdgeDistanceEquation(g, "edgept0", "edgept1", fEdgeDistanceEquation.c_str());
     g->codeAppendf("%s.z += 0.5;", fEdgeDistanceEquation.c_str()); // outer = -.5, inner = .5
 
@@ -260,9 +261,9 @@
                    fEdgeDistanceDerivatives.c_str(), fEdgeDistanceEquation.c_str(), rtAdjust);
 
     g->declareGlobal(fEdgeSpaceTransform);
-    g->codeAppend ("highp vec4 edgebbox = vec4(min(bezierpts[0], bezierpts[3]) - bloat, "
+    g->codeAppend ("highp float4 edgebbox = float4(min(bezierpts[0], bezierpts[3]) - bloat, "
                                               "max(bezierpts[0], bezierpts[3]) + bloat);");
-    g->codeAppendf("%s.xy = 2 / vec2(edgebbox.zw - edgebbox.xy);", fEdgeSpaceTransform.c_str());
+    g->codeAppendf("%s.xy = 2 / float2(edgebbox.zw - edgebbox.xy);", fEdgeSpaceTransform.c_str());
     g->codeAppendf("%s.zw = -1 - %s.xy * edgebbox.xy;",
                    fEdgeSpaceTransform.c_str(), fEdgeSpaceTransform.c_str());
 
@@ -277,14 +278,14 @@
 void GrCCPRCubicBorderProcessor::emitPerVertexGeometryCode(SkString* fnBody, const char* position,
                                                            const char* /*coverage*/,
                                                            const char* /*wind*/) const {
-    fnBody->appendf("highp vec3 klm = vec3(%s, 1) * %s;", position, fKLMMatrix.c_str());
-    fnBody->appendf("highp float d = dot(vec3(%s, 1), %s);",
+    fnBody->appendf("highp float3 klm = float3(%s, 1) * %s;", position, fKLMMatrix.c_str());
+    fnBody->appendf("highp float d = dot(float3(%s, 1), %s);",
                     position, fEdgeDistanceEquation.c_str());
-    fnBody->appendf("%s = vec4(klm, d);", fKLMD.gsOut());
-    fnBody->appendf("%s = vec4(%s[0].x, %s[1].x, %s[2].x, %s.x);",
+    fnBody->appendf("%s = float4(klm, d);", fKLMD.gsOut());
+    fnBody->appendf("%s = float4(%s[0].x, %s[1].x, %s[2].x, %s.x);",
                     fdKLMDdx.gsOut(), fKLMDerivatives.c_str(), fKLMDerivatives.c_str(),
                     fKLMDerivatives.c_str(), fEdgeDistanceDerivatives.c_str());
-    fnBody->appendf("%s = vec4(%s[0].y, %s[1].y, %s[2].y, %s.y);",
+    fnBody->appendf("%s = float4(%s[0].y, %s[1].y, %s[2].y, %s.y);",
                     fdKLMDdy.gsOut(), fKLMDerivatives.c_str(), fKLMDerivatives.c_str(),
                     fKLMDerivatives.c_str(), fEdgeDistanceDerivatives.c_str());
     fnBody->appendf("%s = position * %s.xy + %s.zw;", fEdgeSpaceCoord.gsOut(),
@@ -302,18 +303,19 @@
     // Along the shared edge, we start with distance-to-edge coverage, then subtract out the
     // remaining pixel coverage that is still inside the shared edge, but outside the curve.
     // Outside the shared edege, we just use standard msaa to count samples inside the curve.
-    f->codeAppendf("bool use_edge = all(lessThan(abs(%s), vec2(1)));", fEdgeSpaceCoord.fsIn());
+    f->codeAppendf("bool use_edge = all(lessThan(abs(%s), float2(1)));", fEdgeSpaceCoord.fsIn());
     f->codeAppendf("%s = (use_edge ? clamp(%s.w + 0.5, 0, 1) : 0) * %i;",
                    outputCoverage, fKLMD.fsIn(), sampleCount);
 
-    f->codeAppendf("highp mat2x4 grad_klmd = mat2x4(%s, %s);", fdKLMDdx.fsIn(), fdKLMDdy.fsIn());
+    f->codeAppendf("highp float2x4 grad_klmd = float2x4(%s, %s);", fdKLMDdx.fsIn(),
+                   fdKLMDdy.fsIn());
 
     f->codeAppendf("for (int i = 0; i < %i; ++i) {", sampleCount);
-    f->codeAppendf(    "highp vec4 klmd = grad_klmd * samples[i] + %s;", fKLMD.fsIn());
+    f->codeAppendf(    "highp float4 klmd = grad_klmd * samples[i] + %s;", fKLMD.fsIn());
     f->codeAppend (    "lowp float f = klmd.y * klmd.z - klmd.x * klmd.x * klmd.x;");
     // A sample is inside our cubic sub-section if it is inside the implicit AND L & M are both
     // positive. This works because the sections get chopped at the K/L and K/M intersections.
-    f->codeAppend (    "bvec4 inside = greaterThan(vec4(f,klmd.yzw), vec4(0));");
+    f->codeAppend (    "bool4 inside = greaterThan(float4(f,klmd.yzw), float4(0));");
     f->codeAppend (    "lowp float in_curve = all(inside.xyz) ? 1 : 0;");
     f->codeAppend (    "lowp float in_edge = inside.w ? 1 : 0;");
     f->codeAppendf(    "%s += use_edge ? in_edge * (in_curve - 1) : in_curve;", outputCoverage);
diff --git a/src/gpu/ccpr/GrCCPRPathProcessor.cpp b/src/gpu/ccpr/GrCCPRPathProcessor.cpp
index 6efaecf..1292553 100644
--- a/src/gpu/ccpr/GrCCPRPathProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPRPathProcessor.cpp
@@ -136,41 +136,41 @@
     // Find the intersections of (bloated) devBounds and devBounds45 in order to come up with an
     // octagon that circumscribes the (bloated) path. A vertex is the intersection of two lines:
     // one edge from the path's bounding box and one edge from its 45-degree bounding box.
-    v->codeAppendf("highp mat2 N = mat2(%s);", proc.getEdgeNormsAttrib().fName);
+    v->codeAppendf("highp float2x2 N = float2x2(%s);", proc.getEdgeNormsAttrib().fName);
 
     // N[0] is the normal for the edge we are intersecting from the regular bounding box, pointing
     // out of the octagon.
-    v->codeAppendf("highp vec2 refpt = (min(N[0].x, N[0].y) < 0) ? %s.xy : %s.zw;",
+    v->codeAppendf("highp float2 refpt = (min(N[0].x, N[0].y) < 0) ? %s.xy : %s.zw;",
                    proc.getInstanceAttrib(InstanceAttribs::kDevBounds).fName,
                    proc.getInstanceAttrib(InstanceAttribs::kDevBounds).fName);
     v->codeAppendf("refpt += N[0] * %f;", kAABloatRadius); // bloat for AA.
 
     // N[1] is the normal for the edge we are intersecting from the 45-degree bounding box, pointing
     // out of the octagon.
-    v->codeAppendf("highp vec2 refpt45 = (N[1].x < 0) ? %s.xy : %s.zw;",
+    v->codeAppendf("highp float2 refpt45 = (N[1].x < 0) ? %s.xy : %s.zw;",
                    proc.getInstanceAttrib(InstanceAttribs::kDevBounds45).fName,
                    proc.getInstanceAttrib(InstanceAttribs::kDevBounds45).fName);
-    v->codeAppendf("refpt45 *= mat2(.5,.5,-.5,.5);"); // transform back to device space.
+    v->codeAppendf("refpt45 *= float2x2(.5,.5,-.5,.5);"); // transform back to device space.
     v->codeAppendf("refpt45 += N[1] * %f;", kAABloatRadius); // bloat for AA.
 
-    v->codeAppend ("highp vec2 K = vec2(dot(N[0], refpt), dot(N[1], refpt45));");
-    v->codeAppendf("highp vec2 octocoord = K * inverse(N);");
+    v->codeAppend ("highp float2 K = float2(dot(N[0], refpt), dot(N[1], refpt45));");
+    v->codeAppendf("highp float2 octocoord = K * inverse(N);");
 
     gpArgs->fPositionVar.set(kVec2f_GrSLType, "octocoord");
 
     // Convert to atlas coordinates in order to do our texture lookup.
-    v->codeAppendf("highp vec2 atlascoord = octocoord + vec2(%s);",
+    v->codeAppendf("highp float2 atlascoord = octocoord + float2(%s);",
                    proc.getInstanceAttrib(InstanceAttribs::kAtlasOffset).fName);
     if (kTopLeft_GrSurfaceOrigin == proc.atlasProxy()->origin()) {
         v->codeAppendf("%s = atlascoord * %s;", texcoord.vsOut(), atlasAdjust);
     } else {
         SkASSERT(kBottomLeft_GrSurfaceOrigin == proc.atlasProxy()->origin());
-        v->codeAppendf("%s = vec2(atlascoord.x * %s.x, 1 - atlascoord.y * %s.y);",
+        v->codeAppendf("%s = float2(atlascoord.x * %s.x, 1 - atlascoord.y * %s.y);",
                        texcoord.vsOut(), atlasAdjust, atlasAdjust);
     }
 
     // Convert to (local) path cordinates.
-    v->codeAppendf("highp vec2 pathcoord = inverse(mat2(%s)) * (octocoord - %s);",
+    v->codeAppendf("highp float2 pathcoord = inverse(float2x2(%s)) * (octocoord - %s);",
                    proc.getInstanceAttrib(InstanceAttribs::kViewMatrix).fName,
                    proc.getInstanceAttrib(InstanceAttribs::kViewTranslate).fName);
 
@@ -185,11 +185,11 @@
     f->codeAppend (".a;");
 
     if (SkPath::kWinding_FillType == proc.fillType()) {
-        f->codeAppendf("%s = vec4(min(abs(coverage_count), 1));", args.fOutputCoverage);
+        f->codeAppendf("%s = float4(min(abs(coverage_count), 1));", args.fOutputCoverage);
     } else {
         SkASSERT(SkPath::kEvenOdd_FillType == proc.fillType());
         f->codeAppend ("mediump float t = mod(abs(coverage_count), 2);");
-        f->codeAppendf("%s = vec4(1 - abs(t - 1));", args.fOutputCoverage);
+        f->codeAppendf("%s = float4(1 - abs(t - 1));", args.fOutputCoverage);
     }
 }
 
diff --git a/src/gpu/ccpr/GrCCPRQuadraticProcessor.cpp b/src/gpu/ccpr/GrCCPRQuadraticProcessor.cpp
index 8c58ea2..bc09fea 100644
--- a/src/gpu/ccpr/GrCCPRQuadraticProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPRQuadraticProcessor.cpp
@@ -16,9 +16,9 @@
                                                   const TexelBufferHandle& pointsBuffer,
                                                   const char* atlasOffset, const char* rtAdjust,
                                                   GrGPArgs* gpArgs) const {
-    v->codeAppendf("ivec3 indices = ivec3(%s.y, %s.x, %s.y + 1);",
+    v->codeAppendf("int3 indices = int3(%s.y, %s.x, %s.y + 1);",
                    proc.instanceAttrib(), proc.instanceAttrib(), proc.instanceAttrib());
-    v->codeAppend ("highp vec2 self = ");
+    v->codeAppend ("highp float2 self = ");
     v->appendTexelFetch(pointsBuffer, "indices[sk_VertexID]");
     v->codeAppendf(".xy + %s;", atlasOffset);
     gpArgs->fPositionVar.set(kVec2f_GrSLType, "self");
@@ -27,8 +27,9 @@
 void GrCCPRQuadraticProcessor::emitWind(GrGLSLGeometryBuilder* g, const char* rtAdjust,
                                         const char* outputWind) const {
     // We will define bezierpts in onEmitGeometryShader.
-    g->codeAppend ("highp float area_times_2 = determinant(mat2(bezierpts[1] - bezierpts[0], "
-                                                               "bezierpts[2] - bezierpts[0]));");
+    g->codeAppend ("highp float area_times_2 = "
+                                             "determinant(float2x2(bezierpts[1] - bezierpts[0], "
+                                                                  "bezierpts[2] - bezierpts[0]));");
     // Drop curves that are nearly flat, in favor of the higher quality triangle antialiasing.
     g->codeAppendf("if (2 * abs(area_times_2) < length((bezierpts[2] - bezierpts[0]) * %s.zx)) {",
                    rtAdjust);
@@ -46,21 +47,21 @@
                                                     const char* emitVertexFn, const char* wind,
                                                     const char* rtAdjust) const {
     // Prepend bezierpts at the start of the shader.
-    g->codePrependf("highp mat3x2 bezierpts = mat3x2(sk_in[0].gl_Position.xy, "
-                                                    "sk_in[1].gl_Position.xy, "
-                                                    "sk_in[2].gl_Position.xy);");
+    g->codePrependf("highp float3x2 bezierpts = float3x2(sk_in[0].gl_Position.xy, "
+                                                        "sk_in[1].gl_Position.xy, "
+                                                        "sk_in[2].gl_Position.xy);");
 
     g->declareGlobal(fCanonicalMatrix);
-    g->codeAppendf("%s = mat3(0.0, 0, 1, "
-                             "0.5, 0, 1, "
-                             "1.0, 1, 1) * "
-                        "inverse(mat3(bezierpts[0], 1, "
-                                     "bezierpts[1], 1, "
-                                     "bezierpts[2], 1));",
+    g->codeAppendf("%s = float3x3(0.0, 0, 1, "
+                                 "0.5, 0, 1, "
+                                 "1.0, 1, 1) * "
+                        "inverse(float3x3(bezierpts[0], 1, "
+                                         "bezierpts[1], 1, "
+                                         "bezierpts[2], 1));",
                    fCanonicalMatrix.c_str());
 
     g->declareGlobal(fCanonicalDerivatives);
-    g->codeAppendf("%s = mat2(%s) * mat2(%s.x, 0, 0, %s.z);",
+    g->codeAppendf("%s = float2x2(%s) * float2x2(%s.x, 0, 0, %s.z);",
                    fCanonicalDerivatives.c_str(), fCanonicalMatrix.c_str(), rtAdjust, rtAdjust);
 
     this->emitQuadraticGeometry(g, emitVertexFn, wind, rtAdjust);
@@ -69,10 +70,10 @@
 void GrCCPRQuadraticProcessor::emitPerVertexGeometryCode(SkString* fnBody, const char* position,
                                                          const char* /*coverage*/,
                                                          const char* /*wind*/) const {
-    fnBody->appendf("%s.xy = (%s * vec3(%s, 1)).xy;",
+    fnBody->appendf("%s.xy = (%s * float3(%s, 1)).xy;",
                     fCanonicalCoord.gsOut(), fCanonicalMatrix.c_str(), position);
-    fnBody->appendf("%s.zw = vec2(2 * %s.x * %s[0].x - %s[0].y, "
-                                 "2 * %s.x * %s[1].x - %s[1].y);",
+    fnBody->appendf("%s.zw = float2(2 * %s.x * %s[0].x - %s[0].y, "
+                                   "2 * %s.x * %s[1].x - %s[1].y);",
                     fCanonicalCoord.gsOut(), fCanonicalCoord.gsOut(),
                     fCanonicalDerivatives.c_str(), fCanonicalDerivatives.c_str(),
                     fCanonicalCoord.gsOut(), fCanonicalDerivatives.c_str(),
@@ -93,26 +94,26 @@
                                                          const char* rtAdjust) const {
     // Find the point on the curve whose tangent is halfway between the tangents at the endpionts.
     // We defined bezierpts in onEmitGeometryShader.
-    g->codeAppend ("highp vec2 n = (normalize(bezierpts[0] - bezierpts[1]) + "
-                                   "normalize(bezierpts[2] - bezierpts[1]));");
+    g->codeAppend ("highp float2 n = (normalize(bezierpts[0] - bezierpts[1]) + "
+                                     "normalize(bezierpts[2] - bezierpts[1]));");
     g->codeAppend ("highp float t = dot(bezierpts[0] - bezierpts[1], n) / "
                                    "dot(bezierpts[2] - 2 * bezierpts[1] + bezierpts[0], n);");
-    g->codeAppend ("highp vec2 pt = (1 - t) * (1 - t) * bezierpts[0] + "
-                                   "2 * t * (1 - t) * bezierpts[1] + "
-                                   "t * t * bezierpts[2];");
+    g->codeAppend ("highp float2 pt = (1 - t) * (1 - t) * bezierpts[0] + "
+                                      "2 * t * (1 - t) * bezierpts[1] + "
+                                      "t * t * bezierpts[2];");
 
     // Clip the triangle by the tangent line at this halfway point.
-    g->codeAppend ("highp mat2 v = mat2(bezierpts[0] - bezierpts[1], "
-                                       "bezierpts[2] - bezierpts[1]);");
-    g->codeAppend ("highp vec2 nv = n * v;");
-    g->codeAppend ("highp vec2 d = abs(nv[0]) > 0.1 * max(bloat.x, bloat.y) ? "
-                                  "(dot(n, pt - bezierpts[1])) / nv : vec2(0);");
+    g->codeAppend ("highp float2x2 v = float2x2(bezierpts[0] - bezierpts[1], "
+                                               "bezierpts[2] - bezierpts[1]);");
+    g->codeAppend ("highp float2 nv = n * v;");
+    g->codeAppend ("highp float2 d = abs(nv[0]) > 0.1 * max(bloat.x, bloat.y) ? "
+                                    "(dot(n, pt - bezierpts[1])) / nv : float2(0);");
 
     // Generate a 4-point hull of the curve from the clipped triangle.
-    g->codeAppendf("highp mat4x2 quadratic_hull = mat4x2(bezierpts[0], "
-                                                        "bezierpts[1] + d[0] * v[0], "
-                                                        "bezierpts[1] + d[1] * v[1], "
-                                                        "bezierpts[2]);");
+    g->codeAppendf("highp float4x2 quadratic_hull = float4x2(bezierpts[0], "
+                                                            "bezierpts[1] + d[0] * v[0], "
+                                                            "bezierpts[1] + d[1] * v[1], "
+                                                            "bezierpts[2]);");
 
     int maxVerts = this->emitHullGeometry(g, emitVertexFn, "quadratic_hull", 4, "sk_InvocationID");
 
@@ -127,9 +128,9 @@
                                                                const char* rtAdjust) const {
     // We defined bezierpts in onEmitGeometryShader.
     g->codeAppendf("int leftidx = %s > 0 ? 2 : 0;", wind);
-    g->codeAppendf("highp vec2 left = bezierpts[leftidx];");
-    g->codeAppendf("highp vec2 right = bezierpts[2 - leftidx];");
-    this->emitEdgeDistanceEquation(g, "left", "right", "highp vec3 edge_distance_equation");
+    g->codeAppendf("highp float2 left = bezierpts[leftidx];");
+    g->codeAppendf("highp float2 right = bezierpts[2 - leftidx];");
+    this->emitEdgeDistanceEquation(g, "left", "right", "highp float3 edge_distance_equation");
 
     g->declareGlobal(fEdgeDistanceDerivatives);
     g->codeAppendf("%s = edge_distance_equation.xy * %s.xz;",
@@ -163,16 +164,16 @@
     // shared edge, but outside the curve.
     int sampleCount = this->defineSoftSampleLocations(f, "samples");
 
-    f->codeAppendf("highp mat2x3 grad_xyd = mat2x3(%s[0],%s.y, %s[1],%s.z);",
+    f->codeAppendf("highp float2x3 grad_xyd = float2x3(%s[0],%s.y, %s[1],%s.z);",
                    fFragCanonicalDerivatives.fsIn(), fEdgeDistance.fsIn(),
                    fFragCanonicalDerivatives.fsIn(), fEdgeDistance.fsIn());
-    f->codeAppendf("highp vec3 center_xyd = vec3(%s.xy, %s.x);",
+    f->codeAppendf("highp float3 center_xyd = float3(%s.xy, %s.x);",
                    fCanonicalCoord.fsIn(), fEdgeDistance.fsIn());
 
     f->codeAppendf("for (int i = 0; i < %i; ++i) {", sampleCount);
-    f->codeAppend (    "highp vec3 xyd = grad_xyd * samples[i] + center_xyd;");
+    f->codeAppend (    "highp float3 xyd = grad_xyd * samples[i] + center_xyd;");
     f->codeAppend (    "lowp float f = xyd.x * xyd.x - xyd.y;"); // f > 0 -> outside curve.
-    f->codeAppend (    "bvec2 outside_curve_inside_edge = greaterThan(vec2(f, xyd.z), vec2(0));");
+    f->codeAppend (    "bool2 outside_curve_inside_edge = greaterThan(float2(f, xyd.z), float2(0));");
     f->codeAppendf(    "%s -= all(outside_curve_inside_edge) ? %f : 0;",
                        outputCoverage, 1.0 / sampleCount);
     f->codeAppendf("}");
diff --git a/src/gpu/ccpr/GrCCPRTriangleProcessor.cpp b/src/gpu/ccpr/GrCCPRTriangleProcessor.cpp
index 23f7b14..77da2cf 100644
--- a/src/gpu/ccpr/GrCCPRTriangleProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPRTriangleProcessor.cpp
@@ -16,7 +16,7 @@
                                                  const TexelBufferHandle& pointsBuffer,
                                                  const char* atlasOffset, const char* rtAdjust,
                                                  GrGPArgs* gpArgs) const {
-    v->codeAppend ("highp vec2 self = ");
+    v->codeAppend ("highp float2 self = ");
     v->appendTexelFetch(pointsBuffer,
                         SkStringPrintf("%s[sk_VertexID]", proc.instanceAttrib()).c_str());
     v->codeAppendf(".xy + %s;", atlasOffset);
@@ -25,16 +25,17 @@
 
 void GrCCPRTriangleProcessor::defineInputVertices(GrGLSLGeometryBuilder* g) const {
     // Prepend in_vertices at the start of the shader.
-    g->codePrependf("highp mat3x2 in_vertices = mat3x2(sk_in[0].gl_Position.xy, "
-                                                      "sk_in[1].gl_Position.xy, "
-                                                      "sk_in[2].gl_Position.xy);");
+    g->codePrependf("highp float3x2 in_vertices = float3x2(sk_in[0].gl_Position.xy, "
+                                                          "sk_in[1].gl_Position.xy, "
+                                                          "sk_in[2].gl_Position.xy);");
 }
 
 void GrCCPRTriangleProcessor::emitWind(GrGLSLGeometryBuilder* g, const char* /*rtAdjust*/,
                                        const char* outputWind) const {
     // We will define in_vertices in defineInputVertices.
-    g->codeAppendf("%s = sign(determinant(mat2(in_vertices[1] - in_vertices[0], "
-                                              "in_vertices[2] - in_vertices[0])));", outputWind);
+    g->codeAppendf("%s = sign(determinant(float2x2(in_vertices[1] - in_vertices[0], "
+                                                  "in_vertices[2] - in_vertices[0])));",
+                   outputWind);
 }
 
 void GrCCPRTriangleHullAndEdgeProcessor::onEmitGeometryShader(GrGLSLGeometryBuilder* g,
@@ -52,8 +53,8 @@
     if (GeometryType::kHulls != fGeometryType) {
         g->codeAppend ("int edgeidx0 = sk_InvocationID, "
                            "edgeidx1 = (edgeidx0 + 1) % 3;");
-        g->codeAppendf("highp vec2 edgept0 = in_vertices[%s > 0 ? edgeidx0 : edgeidx1];", wind);
-        g->codeAppendf("highp vec2 edgept1 = in_vertices[%s > 0 ? edgeidx1 : edgeidx0];", wind);
+        g->codeAppendf("highp float2 edgept0 = in_vertices[%s > 0 ? edgeidx0 : edgeidx1];", wind);
+        g->codeAppendf("highp float2 edgept1 = in_vertices[%s > 0 ? edgeidx1 : edgeidx0];", wind);
 
         maxOutputVertices += this->emitEdgeGeometry(g, emitVertexFn, "edgept0", "edgept1");
     }
@@ -72,16 +73,17 @@
     this->INHERITED::onEmitVertexShader(proc, v, pointsBuffer, atlasOffset, rtAdjust, gpArgs);
 
     // Fetch and transform the next point in the triangle.
-    v->codeAppend ("highp vec2 next = ");
+    v->codeAppend ("highp float2 next = ");
     v->appendTexelFetch(pointsBuffer,
                         SkStringPrintf("%s[(sk_VertexID+1) %% 3]", proc.instanceAttrib()).c_str());
     v->codeAppendf(".xy + %s;", atlasOffset);
 
     // Find the plane that gives distance from the [self -> next] edge, normalized to its AA
     // bloat width.
-    v->codeAppend ("highp vec2 n = vec2(next.y - self.y, self.x - next.x);");
-    v->codeAppendf("highp vec2 d = n * mat2(self + %f * sign(n), "
-                                           "self - %f * sign(n));", kAABloatRadius, kAABloatRadius);
+    v->codeAppend ("highp float2 n = float2(next.y - self.y, self.x - next.x);");
+    v->codeAppendf("highp float2 d = n * float2x2(self + %f * sign(n), "
+                                                 "self - %f * sign(n));",
+                   kAABloatRadius, kAABloatRadius);
 
     // Clamp for when n=0. (wind=0 when n=0, so as long as we don't get Inf or NaN we are fine.)
     v->codeAppendf("%s.xy = n / max(d[0] - d[1], 1e-30);", fEdgeDistance.vsOut());
@@ -96,11 +98,11 @@
                                                          const char* rtAdjust) const {
     this->defineInputVertices(g);
 
-    g->codeAppend ("highp vec2 self = in_vertices[sk_InvocationID];");
-    g->codeAppendf("%s(self + vec2(-bloat.x, -bloat.y), 1);", emitVertexFn);
-    g->codeAppendf("%s(self + vec2(-bloat.x, +bloat.y), 1);", emitVertexFn);
-    g->codeAppendf("%s(self + vec2(+bloat.x, -bloat.y), 1);", emitVertexFn);
-    g->codeAppendf("%s(self + vec2(+bloat.x, +bloat.y), 1);", emitVertexFn);
+    g->codeAppend ("highp float2 self = in_vertices[sk_InvocationID];");
+    g->codeAppendf("%s(self + float2(-bloat.x, -bloat.y), 1);", emitVertexFn);
+    g->codeAppendf("%s(self + float2(-bloat.x, +bloat.y), 1);", emitVertexFn);
+    g->codeAppendf("%s(self + float2(+bloat.x, -bloat.y), 1);", emitVertexFn);
+    g->codeAppendf("%s(self + float2(+bloat.x, +bloat.y), 1);", emitVertexFn);
     g->codeAppend ("EndPrimitive();");
 
     g->configure(GrGLSLGeometryBuilder::InputType::kTriangles,
@@ -116,13 +118,13 @@
                     fNeighbors.gsOut(), fDevCoord.gsIn());
     fnBody->appendf("%s.zw = %s[(sk_InvocationID + 2) %% 3];",
                     fNeighbors.gsOut(), fDevCoord.gsIn());
-    fnBody->appendf("%s = mat3(%s[(sk_InvocationID + 2) %% 3], "
-                              "%s[sk_InvocationID], "
-                              "%s[(sk_InvocationID + 1) %% 3]) * %s;",
+    fnBody->appendf("%s = float3x3(%s[(sk_InvocationID + 2) %% 3], "
+                                  "%s[sk_InvocationID], "
+                                  "%s[(sk_InvocationID + 1) %% 3]) * %s;",
                     fEdgeDistances.gsOut(), fEdgeDistance.gsIn(), fEdgeDistance.gsIn(),
                     fEdgeDistance.gsIn(), wind);
 
-    // Otherwise, fEdgeDistances = mat3(...) * sign(wind * rtAdjust.x * rdAdjust.z).
+    // Otherwise, fEdgeDistances = float3x3(...) * sign(wind * rtAdjust.x * rdAdjust.z).
     GR_STATIC_ASSERT(kTopLeft_GrSurfaceOrigin == GrCCPRCoverageProcessor::kAtlasOrigin);
 
     fnBody->appendf("%s = sk_InvocationID;", fCornerIdx.gsOut());
@@ -131,23 +133,23 @@
 void GrCCPRTriangleCornerProcessor::emitShaderCoverage(GrGLSLFragmentBuilder* f,
                                                        const char* outputCoverage) const {
     // FIXME: Adreno breaks if we don't put the frag coord in an intermediate highp variable.
-    f->codeAppendf("highp vec2 fragcoord = sk_FragCoord.xy;");
+    f->codeAppendf("highp float2 fragcoord = sk_FragCoord.xy;");
 
     // Approximate coverage by tracking where 4 horizontal lines enter and leave the triangle.
     GrShaderVar samples("samples", kVec4f_GrSLType, GrShaderVar::kNonArray,
                         kHigh_GrSLPrecision);
     f->declareGlobal(samples);
-    f->codeAppendf("%s = fragcoord.y + vec4(-0.375, -0.125, 0.125, 0.375);", samples.c_str());
+    f->codeAppendf("%s = fragcoord.y + float4(-0.375, -0.125, 0.125, 0.375);", samples.c_str());
 
     GrShaderVar leftedge("leftedge", kVec4f_GrSLType, GrShaderVar::kNonArray,
                          kHigh_GrSLPrecision);
     f->declareGlobal(leftedge);
-    f->codeAppendf("%s = vec4(fragcoord.x - 0.5);", leftedge.c_str());
+    f->codeAppendf("%s = float4(fragcoord.x - 0.5);", leftedge.c_str());
 
     GrShaderVar rightedge("rightedge", kVec4f_GrSLType, GrShaderVar::kNonArray,
                           kHigh_GrSLPrecision);
     f->declareGlobal(rightedge);
-    f->codeAppendf("%s = vec4(fragcoord.x + 0.5);", rightedge.c_str());
+    f->codeAppendf("%s = float4(fragcoord.x + 0.5);", rightedge.c_str());
 
     SkString sampleEdgeFn;
     GrShaderVar edgeArg("edge_distance", kVec3f_GrSLType, GrShaderVar::kNonArray,
@@ -156,7 +158,7 @@
         SkString b;
         b.appendf("highp float m = abs(%s.x) < 1e-3 ? 1e18 : -1 / %s.x;",
                   edgeArg.c_str(), edgeArg.c_str());
-        b.appendf("highp vec4 edge = m * (%s.y * samples + %s.z);",
+        b.appendf("highp float4 edge = m * (%s.y * samples + %s.z);",
                   edgeArg.c_str(), edgeArg.c_str());
         b.appendf("if (%s.x <= 1e-3 || (abs(%s.x) < 1e-3 && %s.y > 0)) {",
                   edgeArg.c_str(), edgeArg.c_str(), edgeArg.c_str());
@@ -168,10 +170,10 @@
     }().c_str(), &sampleEdgeFn);
 
     // See if the previous neighbor already handled this pixel.
-    f->codeAppendf("if (all(lessThan(abs(fragcoord - %s.zw), vec2(%f)))) {",
+    f->codeAppendf("if (all(lessThan(abs(fragcoord - %s.zw), float2(%f)))) {",
                    fNeighbors.fsIn(), kAABloatRadius);
     // Handle the case where all 3 corners defer to the previous neighbor.
-    f->codeAppendf(    "if (%s != 0 || !all(lessThan(abs(fragcoord - %s.xy), vec2(%f)))) {",
+    f->codeAppendf(    "if (%s != 0 || !all(lessThan(abs(fragcoord - %s.xy), float2(%f)))) {",
                        fCornerIdx.fsIn(), fNeighbors.fsIn(), kAABloatRadius);
     f->codeAppend (        "discard;");
     f->codeAppend (    "}");
@@ -179,7 +181,7 @@
 
     // Erase what the hull and two edges wrote at this corner in previous shaders (the two .5's
     // for the edges and the -1 for the hull cancel each other out).
-    f->codeAppendf("%s = dot(vec3(fragcoord, 1) * mat2x3(%s), vec2(1));",
+    f->codeAppendf("%s = dot(float3(fragcoord, 1) * float2x3(%s), float2(1));",
                    outputCoverage, fEdgeDistances.fsIn());
 
     // Sample the two edges at this corner.
@@ -187,15 +189,15 @@
     f->codeAppendf("%s(%s[1]);", sampleEdgeFn.c_str(), fEdgeDistances.fsIn());
 
     // Handle the opposite edge if the next neighbor will defer to us.
-    f->codeAppendf("if (all(lessThan(abs(fragcoord - %s.xy), vec2(%f)))) {",
+    f->codeAppendf("if (all(lessThan(abs(fragcoord - %s.xy), float2(%f)))) {",
                    fNeighbors.fsIn(), kAABloatRadius);
     // Erase the coverage the opposite edge wrote to this corner.
-    f->codeAppendf(    "%s += dot(%s[2], vec3(fragcoord, 1)) + 0.5;",
+    f->codeAppendf(    "%s += dot(%s[2], float3(fragcoord, 1)) + 0.5;",
                        outputCoverage, fEdgeDistances.fsIn());
     // Sample the opposite edge.
     f->codeAppendf(    "%s(%s[2]);", sampleEdgeFn.c_str(), fEdgeDistances.fsIn());
     f->codeAppend ("}");
 
-    f->codeAppendf("highp vec4 widths = max(%s - %s, 0);", rightedge.c_str(), leftedge.c_str());
-    f->codeAppendf("%s += dot(widths, vec4(0.25));", outputCoverage);
+    f->codeAppendf("highp float4 widths = max(%s - %s, 0);", rightedge.c_str(), leftedge.c_str());
+    f->codeAppendf("%s += dot(widths, float4(0.25));", outputCoverage);
 }
diff --git a/src/gpu/effects/GrBezierEffect.cpp b/src/gpu/effects/GrBezierEffect.cpp
index d45cd75..50c47e8 100644
--- a/src/gpu/effects/GrBezierEffect.cpp
+++ b/src/gpu/effects/GrBezierEffect.cpp
@@ -146,7 +146,7 @@
                                      v.fsIn(), dklmdy.c_str(),
                                      v.fsIn(), dklmdy.c_str(),
                                      v.fsIn(), dklmdy.c_str());
-            fragBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str());
+            fragBuilder->codeAppendf("%s = float2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str());
             fragBuilder->codeAppendf("%s = sqrt(dot(%s, %s));",
                                      gFM.c_str(), gF.c_str(), gF.c_str());
             fragBuilder->codeAppendf("%s = %s.x*%s.x - %s.y*%s.z;",
@@ -175,7 +175,7 @@
                                      v.fsIn(), dklmdy.c_str(),
                                      v.fsIn(), dklmdy.c_str(),
                                      v.fsIn(), dklmdy.c_str());
-            fragBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str());
+            fragBuilder->codeAppendf("%s = float2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str());
             fragBuilder->codeAppendf("%s = sqrt(dot(%s, %s));",
                                      gFM.c_str(), gF.c_str(), gF.c_str());
             fragBuilder->codeAppendf("%s = %s.x * %s.x - %s.y * %s.z;",
@@ -207,10 +207,10 @@
                                                            kHigh_GrSLPrecision,
                                                            "Coverage",
                                                            &coverageScale);
-        fragBuilder->codeAppendf("%s = vec4(%s * %s);",
+        fragBuilder->codeAppendf("%s = float4(%s * %s);",
                                  args.fOutputCoverage, coverageScale, edgeAlpha.c_str());
     } else {
-        fragBuilder->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, edgeAlpha.c_str());
+        fragBuilder->codeAppendf("%s = float4(%s);", args.fOutputCoverage, edgeAlpha.c_str());
     }
 }
 
@@ -367,9 +367,9 @@
 
     switch (fEdgeType) {
         case kHairlineAA_GrProcessorEdgeType: {
-            fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn());
-            fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn());
-            fragBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y,"
+            fragBuilder->codeAppendf("float2 duvdx = dFdx(%s.xy);", v.fsIn());
+            fragBuilder->codeAppendf("float2 duvdy = dFdy(%s.xy);", v.fsIn());
+            fragBuilder->codeAppendf("float2 gF = float2(2.0 * %s.x * duvdx.x - duvdx.y,"
                                      "               2.0 * %s.x * duvdy.x - duvdy.y);",
                                      v.fsIn(), v.fsIn());
             fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);",
@@ -381,9 +381,9 @@
             break;
         }
         case kFillAA_GrProcessorEdgeType: {
-            fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn());
-            fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn());
-            fragBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y,"
+            fragBuilder->codeAppendf("float2 duvdx = dFdx(%s.xy);", v.fsIn());
+            fragBuilder->codeAppendf("float2 duvdy = dFdy(%s.xy);", v.fsIn());
+            fragBuilder->codeAppendf("float2 gF = float2(2.0 * %s.x * duvdx.x - duvdx.y,"
                                      "               2.0 * %s.x * duvdy.x - duvdy.y);",
                                      v.fsIn(), v.fsIn());
             fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);",
@@ -411,9 +411,9 @@
                                                            kDefault_GrSLPrecision,
                                                            "Coverage",
                                                            &coverageScale);
-        fragBuilder->codeAppendf("%s = vec4(%s * edgeAlpha);", args.fOutputCoverage, coverageScale);
+        fragBuilder->codeAppendf("%s = float4(%s * edgeAlpha);", args.fOutputCoverage, coverageScale);
     } else {
-        fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage);
+        fragBuilder->codeAppendf("%s = float4(edgeAlpha);", args.fOutputCoverage);
     }
 }
 
@@ -565,7 +565,7 @@
                                                 kHigh_GrSLPrecision, "KLM", &devkLMMatrixName);
     GrGLSLVertToFrag v(kVec3f_GrSLType);
     varyingHandler->addVarying("CubicCoeffs", &v, kHigh_GrSLPrecision);
-    vertBuilder->codeAppendf("%s = %s * vec3(%s, 1);",
+    vertBuilder->codeAppendf("%s = %s * float3(%s, 1);",
                              v.vsOut(), devkLMMatrixName, gpArgs->fPositionVar.c_str());
 
 
@@ -574,12 +574,12 @@
         varyingHandler->addVarying("GradCoeffs", &gradCoeffs, kHigh_GrSLPrecision);
         vertBuilder->codeAppendf("highp float k = %s[0], l = %s[1], m = %s[2];",
                                  v.vsOut(), v.vsOut(), v.vsOut());
-        vertBuilder->codeAppendf("highp vec2 gk = vec2(%s[0][0], %s[1][0]), "
-                                            "gl = vec2(%s[0][1], %s[1][1]), "
-                                            "gm = vec2(%s[0][2], %s[1][2]);",
+        vertBuilder->codeAppendf("highp float2 gk = float2(%s[0][0], %s[1][0]), "
+                                            "gl = float2(%s[0][1], %s[1][1]), "
+                                            "gm = float2(%s[0][2], %s[1][2]);",
                                  devkLMMatrixName, devkLMMatrixName, devkLMMatrixName,
                                  devkLMMatrixName, devkLMMatrixName, devkLMMatrixName);
-        vertBuilder->codeAppendf("%s = vec4(3 * k * gk, -m * gl - l * gm);",
+        vertBuilder->codeAppendf("%s = float4(3 * k * gk, -m * gl - l * gm);",
                                  gradCoeffs.vsOut());
     }
 
@@ -646,7 +646,7 @@
     }
 
 
-    fragBuilder->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, edgeAlpha.c_str());
+    fragBuilder->codeAppendf("%s = float4(%s);", args.fOutputCoverage, edgeAlpha.c_str());
 }
 
 void GrGLCubicEffect::GenKey(const GrGeometryProcessor& gp,
diff --git a/src/gpu/effects/GrBicubicEffect.cpp b/src/gpu/effects/GrBicubicEffect.cpp
index 4095f93..28fcd9e 100644
--- a/src/gpu/effects/GrBicubicEffect.cpp
+++ b/src/gpu/effects/GrBicubicEffect.cpp
@@ -71,26 +71,26 @@
      *
      * This is GLSL, so the matrix is column-major (transposed from standard matrix notation).
      */
-    fragBuilder->codeAppend("mat4 kMitchellCoefficients = mat4("
+    fragBuilder->codeAppend("float4x4 kMitchellCoefficients = float4x4("
                             " 1.0 / 18.0,  16.0 / 18.0,   1.0 / 18.0,  0.0 / 18.0,"
                             "-9.0 / 18.0,   0.0 / 18.0,   9.0 / 18.0,  0.0 / 18.0,"
                             "15.0 / 18.0, -36.0 / 18.0,  27.0 / 18.0, -6.0 / 18.0,"
                             "-7.0 / 18.0,  21.0 / 18.0, -21.0 / 18.0,  7.0 / 18.0);");
-    fragBuilder->codeAppendf("vec2 coord = %s - %s * vec2(0.5);", coords2D.c_str(), imgInc);
+    fragBuilder->codeAppendf("float2 coord = %s - %s * float2(0.5);", coords2D.c_str(), imgInc);
     // We unnormalize the coord in order to determine our fractional offset (f) within the texel
     // We then snap coord to a texel center and renormalize. The snap prevents cases where the
     // starting coords are near a texel boundary and accumulations of imgInc would cause us to skip/
     // double hit a texel.
     fragBuilder->codeAppendf("coord /= %s;", imgInc);
-    fragBuilder->codeAppend("vec2 f = fract(coord);");
-    fragBuilder->codeAppendf("coord = (coord - f + vec2(0.5)) * %s;", imgInc);
-    fragBuilder->codeAppend("vec4 wx = kMitchellCoefficients * vec4(1.0, f.x, f.x * f.x, f.x * f.x * f.x);");
-    fragBuilder->codeAppend("vec4 wy = kMitchellCoefficients * vec4(1.0, f.y, f.y * f.y, f.y * f.y * f.y);");
-    fragBuilder->codeAppend("vec4 rowColors[4];");
+    fragBuilder->codeAppend("float2 f = fract(coord);");
+    fragBuilder->codeAppendf("coord = (coord - f + float2(0.5)) * %s;", imgInc);
+    fragBuilder->codeAppend("float4 wx = kMitchellCoefficients * float4(1.0, f.x, f.x * f.x, f.x * f.x * f.x);");
+    fragBuilder->codeAppend("float4 wy = kMitchellCoefficients * float4(1.0, f.y, f.y * f.y, f.y * f.y * f.y);");
+    fragBuilder->codeAppend("float4 rowColors[4];");
     for (int y = 0; y < 4; ++y) {
         for (int x = 0; x < 4; ++x) {
             SkString coord;
-            coord.printf("coord + %s * vec2(%d, %d)", imgInc, x - 1, y - 1);
+            coord.printf("coord + %s * float2(%d, %d)", imgInc, x - 1, y - 1);
             SkString sampleVar;
             sampleVar.printf("rowColors[%d]", x);
             fDomain.sampleTexture(fragBuilder,
@@ -102,7 +102,7 @@
                                   args.fTexSamplers[0]);
         }
         fragBuilder->codeAppendf(
-            "vec4 s%d = wx.x * rowColors[0] + wx.y * rowColors[1] + wx.z * rowColors[2] + wx.w * rowColors[3];",
+            "float4 s%d = wx.x * rowColors[0] + wx.y * rowColors[1] + wx.z * rowColors[2] + wx.w * rowColors[3];",
             y);
     }
     SkString bicubicColor("(wy.x * s0 + wy.y * s1 + wy.z * s2 + wy.w * s3)");
diff --git a/src/gpu/effects/GrBitmapTextGeoProc.cpp b/src/gpu/effects/GrBitmapTextGeoProc.cpp
index 9de3b46..151c529 100644
--- a/src/gpu/effects/GrBitmapTextGeoProc.cpp
+++ b/src/gpu/effects/GrBitmapTextGeoProc.cpp
@@ -67,7 +67,7 @@
                                                         v.fsIn(),
                                                         kVec2f_GrSLType);
             fragBuilder->codeAppend(";");
-            fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage);
+            fragBuilder->codeAppendf("%s = float4(1);", args.fOutputCoverage);
         } else {
             fragBuilder->codeAppendf("%s = ", args.fOutputCoverage);
             fragBuilder->appendTextureLookup(args.fTexSamplers[0], v.fsIn(), kVec2f_GrSLType);
diff --git a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp
index aa39d95..f63422f 100644
--- a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp
+++ b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp
@@ -28,8 +28,9 @@
                 "float factor = 1.0 - %s.w;\n@switch (%d) {\n    case 0:\n        factor = "
                 "exp((-factor * factor) * 4.0) - 0.017999999999999999;\n        break;\n    case "
                 "1:\n        factor = smoothstep(1.0, 0.0, factor);\n        break;\n}\n%s = "
-                "vec4(factor);\n",
-                args.fInputColor ? args.fInputColor : "vec4(1)", _outer.mode(), args.fOutputColor);
+                "float4(factor);\n",
+                args.fInputColor ? args.fInputColor : "float4(1)", _outer.mode(),
+                args.fOutputColor);
     }
 
 private:
diff --git a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp
index 2c4d5ef..3ff233a 100644
--- a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp
+++ b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp
@@ -24,5 +24,5 @@
             factor = smoothstep(1.0, 0.0, factor);
             break;
     }
-    sk_OutColor = vec4(factor);
+    sk_OutColor = float4(factor);
 }
diff --git a/src/gpu/effects/GrCircleEffect.cpp b/src/gpu/effects/GrCircleEffect.cpp
index 638d94d..97bfda4 100644
--- a/src/gpu/effects/GrCircleEffect.cpp
+++ b/src/gpu/effects/GrCircleEffect.cpp
@@ -27,11 +27,11 @@
         fCircleVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kVec4f_GrSLType,
                                                       kDefault_GrSLPrecision, "circle");
         fragBuilder->codeAppendf(
-                "vec2 prevCenter;\nfloat prevRadius = %f;\nfloat d;\n@if (%d == 2 || %d == 3) {\n  "
-                "  d = (length((%s.xy - sk_FragCoord.xy) * %s.w) - 1.0) * %s.z;\n} else {\n    d = "
-                "(1.0 - length((%s.xy - sk_FragCoord.xy) * %s.w)) * %s.z;\n}\n@if ((%d == 1 || %d "
-                "== 3) || %d == 4) {\n    d = clamp(d, 0.0, 1.0);\n} else {\n    d = d > 0.5 ? 1.0 "
-                ": 0.0;\n}\n%s = %s * d;\n",
+                "float2 prevCenter;\nfloat prevRadius = %f;\nfloat d;\n@if (%d == 2 || %d == 3) "
+                "{\n    d = (length((%s.xy - sk_FragCoord.xy) * %s.w) - 1.0) * %s.z;\n} else {\n   "
+                " d = (1.0 - length((%s.xy - sk_FragCoord.xy) * %s.w)) * %s.z;\n}\n@if ((%d == 1 "
+                "|| %d == 3) || %d == 4) {\n    d = clamp(d, 0.0, 1.0);\n} else {\n    d = d > 0.5 "
+                "? 1.0 : 0.0;\n}\n%s = %s * d;\n",
                 prevRadius, _outer.edgeType(), _outer.edgeType(),
                 args.fUniformHandler->getUniformCStr(fCircleVar),
                 args.fUniformHandler->getUniformCStr(fCircleVar),
@@ -40,7 +40,7 @@
                 args.fUniformHandler->getUniformCStr(fCircleVar),
                 args.fUniformHandler->getUniformCStr(fCircleVar), _outer.edgeType(),
                 _outer.edgeType(), _outer.edgeType(), args.fOutputColor,
-                args.fInputColor ? args.fInputColor : "vec4(1)");
+                args.fInputColor ? args.fInputColor : "float4(1)");
     }
 
 private:
diff --git a/src/gpu/effects/GrCircleEffect.fp b/src/gpu/effects/GrCircleEffect.fp
index 74973ca..884112e 100644
--- a/src/gpu/effects/GrCircleEffect.fp
+++ b/src/gpu/effects/GrCircleEffect.fp
@@ -6,14 +6,14 @@
  */
 
 layout(key) in int edgeType;
-in vec2 center;
+in float2 center;
 in float radius;
 
-vec2 prevCenter;
+float2 prevCenter;
 float prevRadius = -1;
 // The circle uniform is (center.x, center.y, radius + 0.5, 1 / (radius + 0.5)) for regular
 // fills and (..., radius - 0.5, 1 / (radius - 0.5)) for inverse fills.
-uniform vec4 circle;
+uniform float4 circle;
 
 @optimizationFlags { kCompatibleWithCoverageAsAlpha_OptimizationFlag }
 
diff --git a/src/gpu/effects/GrConfigConversionEffect.cpp b/src/gpu/effects/GrConfigConversionEffect.cpp
index d83e82d..8806481 100644
--- a/src/gpu/effects/GrConfigConversionEffect.cpp
+++ b/src/gpu/effects/GrConfigConversionEffect.cpp
@@ -25,12 +25,12 @@
 
         if (nullptr == args.fInputColor) {
             // could optimize this case, but we aren't for now.
-            args.fInputColor = "vec4(1)";
+            args.fInputColor = "float4(1)";
         }
 
         // Aggressively round to the nearest exact (N / 255) floating point value. This lets us
         // find a round-trip preserving pair on some GPUs that do odd byte to float conversion.
-        fragBuilder->codeAppendf("vec4 color = floor(%s * 255.0 + 0.5) / 255.0;", args.fInputColor);
+        fragBuilder->codeAppendf("float4 color = floor(%s * 255.0 + 0.5) / 255.0;", args.fInputColor);
 
         switch (cce.pmConversion()) {
             case GrConfigConversionEffect::kToPremul_PMConversion:
@@ -40,7 +40,7 @@
 
             case GrConfigConversionEffect::kToUnpremul_PMConversion:
                 fragBuilder->codeAppend(
-                    "color.rgb = color.a <= 0.0 ? vec3(0,0,0) : floor(color.rgb / color.a * 255.0 + 0.5) / 255.0;");
+                    "color.rgb = color.a <= 0.0 ? float3(0,0,0) : floor(color.rgb / color.a * 255.0 + 0.5) / 255.0;");
                 break;
 
             default:
diff --git a/src/gpu/effects/GrConvexPolyEffect.cpp b/src/gpu/effects/GrConvexPolyEffect.cpp
index 7dba3de..bb61cc1 100644
--- a/src/gpu/effects/GrConvexPolyEffect.cpp
+++ b/src/gpu/effects/GrConvexPolyEffect.cpp
@@ -199,7 +199,7 @@
     fragBuilder->codeAppend("\t\tfloat alpha = 1.0;\n");
     fragBuilder->codeAppend("\t\tfloat edge;\n");
     for (int i = 0; i < cpe.getEdgeCount(); ++i) {
-        fragBuilder->codeAppendf("\t\tedge = dot(%s[%d], vec3(sk_FragCoord.x, sk_FragCoord.y, "
+        fragBuilder->codeAppendf("\t\tedge = dot(%s[%d], float3(sk_FragCoord.x, sk_FragCoord.y, "
                                                              "1));\n",
                                  edgeArrayName, i);
         if (GrProcessorEdgeTypeIsAA(cpe.getEdgeType())) {
diff --git a/src/gpu/effects/GrDisableColorXP.cpp b/src/gpu/effects/GrDisableColorXP.cpp
index 14464f7..2d66e1e 100644
--- a/src/gpu/effects/GrDisableColorXP.cpp
+++ b/src/gpu/effects/GrDisableColorXP.cpp
@@ -53,7 +53,7 @@
         // you do not give gl_FragColor a value, the gl context is lost and we end up drawing
         // nothing. So this fix just sets the gl_FragColor arbitrarily to 0.
         GrGLSLXPFragmentBuilder* fragBuilder = args.fXPFragBuilder;
-        fragBuilder->codeAppendf("%s = vec4(0);", args.fOutputPrimary);
+        fragBuilder->codeAppendf("%s = float4(0);", args.fOutputPrimary);
     }
 
     void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {}
diff --git a/src/gpu/effects/GrDistanceFieldGeoProc.cpp b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
index c8dd4eb..0dfb315 100644
--- a/src/gpu/effects/GrDistanceFieldGeoProc.cpp
+++ b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
@@ -89,12 +89,12 @@
 
         GrGLSLVertToFrag st(kVec2f_GrSLType);
         varyingHandler->addVarying("IntTextureCoords", &st, kHigh_GrSLPrecision);
-        vertBuilder->codeAppendf("%s = vec2(%d, %d) * %s;", st.vsOut(),
+        vertBuilder->codeAppendf("%s = float2(%d, %d) * %s;", st.vsOut(),
                                  atlas->width(), atlas->height(),
                                  dfTexEffect.inTextureCoords()->fName);
 
         // Use highp to work around aliasing issues
-        fragBuilder->codeAppendf("highp vec2 uv = %s;\n", uv.fsIn());
+        fragBuilder->codeAppendf("highp float2 uv = %s;\n", uv.fsIn());
 
         fragBuilder->codeAppend("\tfloat texColor = ");
         fragBuilder->appendTextureLookup(args.fTexSamplers[0],
@@ -141,19 +141,19 @@
             // For general transforms, to determine the amount of correction we multiply a unit
             // vector pointing along the SDF gradient direction by the Jacobian of the st coords
             // (which is the inverse transform for this fragment) and take the length of the result.
-            fragBuilder->codeAppend("vec2 dist_grad = vec2(dFdx(distance), dFdy(distance));");
+            fragBuilder->codeAppend("float2 dist_grad = float2(dFdx(distance), dFdy(distance));");
             // the length of the gradient may be 0, so we need to check for this
             // this also compensates for the Adreno, which likes to drop tiles on division by 0
             fragBuilder->codeAppend("float dg_len2 = dot(dist_grad, dist_grad);");
             fragBuilder->codeAppend("if (dg_len2 < 0.0001) {");
-            fragBuilder->codeAppend("dist_grad = vec2(0.7071, 0.7071);");
+            fragBuilder->codeAppend("dist_grad = float2(0.7071, 0.7071);");
             fragBuilder->codeAppend("} else {");
             fragBuilder->codeAppend("dist_grad = dist_grad*inversesqrt(dg_len2);");
             fragBuilder->codeAppend("}");
 
-            fragBuilder->codeAppendf("vec2 Jdx = dFdx(%s);", st.fsIn());
-            fragBuilder->codeAppendf("vec2 Jdy = dFdy(%s);", st.fsIn());
-            fragBuilder->codeAppend("vec2 grad = vec2(dist_grad.x*Jdx.x + dist_grad.y*Jdy.x,");
+            fragBuilder->codeAppendf("float2 Jdx = dFdx(%s);", st.fsIn());
+            fragBuilder->codeAppendf("float2 Jdy = dFdy(%s);", st.fsIn());
+            fragBuilder->codeAppend("float2 grad = float2(dist_grad.x*Jdx.x + dist_grad.y*Jdy.x,");
             fragBuilder->codeAppend("                 dist_grad.x*Jdx.y + dist_grad.y*Jdy.y);");
 
             // this gives us a smooth step across approximately one fragment
@@ -172,7 +172,7 @@
             fragBuilder->codeAppend("float val = smoothstep(-afwidth, afwidth, distance);");
         }
 
-        fragBuilder->codeAppendf("%s = vec4(val);", args.fOutputCoverage);
+        fragBuilder->codeAppendf("%s = float4(val);", args.fOutputCoverage);
     }
 
     void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc,
@@ -352,7 +352,7 @@
                                                      "TextureSize", &textureSizeUniName);
 
         // Use highp to work around aliasing issues
-        fragBuilder->codeAppendf("highp vec2 uv = %s;", v.fsIn());
+        fragBuilder->codeAppendf("highp float2 uv = %s;", v.fsIn());
 
         fragBuilder->codeAppend("float texColor = ");
         fragBuilder->appendTextureLookup(args.fTexSamplers[0],
@@ -362,7 +362,7 @@
         fragBuilder->codeAppend("float distance = "
             SK_DistanceFieldMultiplier "*(texColor - " SK_DistanceFieldThreshold ");");
 
-        fragBuilder->codeAppendf("highp vec2 st = uv*%s;", textureSizeUniName);
+        fragBuilder->codeAppendf("highp float2 st = uv*%s;", textureSizeUniName);
         fragBuilder->codeAppend("float afwidth;");
         bool isUniformScale = (dfTexEffect.getFlags() & kUniformScale_DistanceFieldEffectMask) ==
                                kUniformScale_DistanceFieldEffectMask;
@@ -398,19 +398,19 @@
             // For general transforms, to determine the amount of correction we multiply a unit
             // vector pointing along the SDF gradient direction by the Jacobian of the st coords
             // (which is the inverse transform for this fragment) and take the length of the result.
-            fragBuilder->codeAppend("vec2 dist_grad = vec2(dFdx(distance), dFdy(distance));");
+            fragBuilder->codeAppend("float2 dist_grad = float2(dFdx(distance), dFdy(distance));");
             // the length of the gradient may be 0, so we need to check for this
             // this also compensates for the Adreno, which likes to drop tiles on division by 0
             fragBuilder->codeAppend("float dg_len2 = dot(dist_grad, dist_grad);");
             fragBuilder->codeAppend("if (dg_len2 < 0.0001) {");
-            fragBuilder->codeAppend("dist_grad = vec2(0.7071, 0.7071);");
+            fragBuilder->codeAppend("dist_grad = float2(0.7071, 0.7071);");
             fragBuilder->codeAppend("} else {");
             fragBuilder->codeAppend("dist_grad = dist_grad*inversesqrt(dg_len2);");
             fragBuilder->codeAppend("}");
 
-            fragBuilder->codeAppend("vec2 Jdx = dFdx(st);");
-            fragBuilder->codeAppend("vec2 Jdy = dFdy(st);");
-            fragBuilder->codeAppend("vec2 grad = vec2(dist_grad.x*Jdx.x + dist_grad.y*Jdy.x,");
+            fragBuilder->codeAppend("float2 Jdx = dFdx(st);");
+            fragBuilder->codeAppend("float2 Jdy = dFdy(st);");
+            fragBuilder->codeAppend("float2 grad = float2(dist_grad.x*Jdx.x + dist_grad.y*Jdy.x,");
             fragBuilder->codeAppend("                 dist_grad.x*Jdx.y + dist_grad.y*Jdy.y);");
 
             // this gives us a smooth step across approximately one fragment
@@ -426,7 +426,7 @@
             fragBuilder->codeAppend("float val = smoothstep(-afwidth, afwidth, distance);");
         }
 
-        fragBuilder->codeAppendf("%s = vec4(val);", args.fOutputCoverage);
+        fragBuilder->codeAppendf("%s = float4(val);", args.fOutputCoverage);
     }
 
     void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc,
@@ -601,7 +601,7 @@
 
         GrGLSLVertToFrag st(kVec2f_GrSLType);
         varyingHandler->addVarying("IntTextureCoords", &st, kHigh_GrSLPrecision);
-        vertBuilder->codeAppendf("%s = vec2(%d, %d) * %s;", st.vsOut(),
+        vertBuilder->codeAppendf("%s = float2(%d, %d) * %s;", st.vsOut(),
                                  atlas->width(), atlas->height(),
                                  dfTexEffect.inTextureCoords()->fName);
 
@@ -609,7 +609,7 @@
 
         // create LCD offset adjusted by inverse of transform
         // Use highp to work around aliasing issues
-        fragBuilder->codeAppendf("highp vec2 uv = %s;\n", uv.fsIn());
+        fragBuilder->codeAppendf("highp float2 uv = %s;\n", uv.fsIn());
 
         SkScalar lcdDelta = 1.0f / (3.0f * atlas->width());
         if (dfTexEffect.getFlags() & kBGR_DistanceFieldEffectFlag) {
@@ -624,36 +624,36 @@
             // We use the y gradient because there is a bug in the Mali 400 in the x direction.
             fragBuilder->codeAppendf("float st_grad_len = abs(dFdy(%s.y));", st.fsIn());
 #endif
-            fragBuilder->codeAppend("vec2 offset = vec2(st_grad_len*delta, 0.0);");
+            fragBuilder->codeAppend("float2 offset = float2(st_grad_len*delta, 0.0);");
         } else if (isSimilarity) {
             // For a similarity matrix with rotation, the gradient will not be aligned
             // with the texel coordinate axes, so we need to calculate it.
 #ifdef SK_VULKAN
-            fragBuilder->codeAppendf("vec2 st_grad = dFdx(%s);", st.fsIn());
-            fragBuilder->codeAppend("vec2 offset = delta*st_grad;");
+            fragBuilder->codeAppendf("float2 st_grad = dFdx(%s);", st.fsIn());
+            fragBuilder->codeAppend("float2 offset = delta*st_grad;");
 #else
             // We use dFdy because of a Mali 400 bug, and rotate -90 degrees to
             // get the gradient in the x direction.
-            fragBuilder->codeAppendf("vec2 st_grad = dFdy(%s);", st.fsIn());
-            fragBuilder->codeAppend("vec2 offset = delta*vec2(st_grad.y, -st_grad.x);");
+            fragBuilder->codeAppendf("float2 st_grad = dFdy(%s);", st.fsIn());
+            fragBuilder->codeAppend("float2 offset = delta*float2(st_grad.y, -st_grad.x);");
 #endif
             fragBuilder->codeAppend("float st_grad_len = length(st_grad);");
         } else {
-            fragBuilder->codeAppendf("vec2 st = %s;\n", st.fsIn());
+            fragBuilder->codeAppendf("float2 st = %s;\n", st.fsIn());
 
-            fragBuilder->codeAppend("vec2 Jdx = dFdx(st);");
-            fragBuilder->codeAppend("vec2 Jdy = dFdy(st);");
-            fragBuilder->codeAppend("vec2 offset = delta*Jdx;");
+            fragBuilder->codeAppend("float2 Jdx = dFdx(st);");
+            fragBuilder->codeAppend("float2 Jdy = dFdy(st);");
+            fragBuilder->codeAppend("float2 offset = delta*Jdx;");
         }
 
         // green is distance to uv center
-        fragBuilder->codeAppend("\tvec4 texColor = ");
+        fragBuilder->codeAppend("\tfloat4 texColor = ");
         fragBuilder->appendTextureLookup(args.fTexSamplers[0], "uv", kVec2f_GrSLType);
         fragBuilder->codeAppend(";\n");
-        fragBuilder->codeAppend("\tvec3 distance;\n");
+        fragBuilder->codeAppend("\tfloat3 distance;\n");
         fragBuilder->codeAppend("\tdistance.y = texColor.r;\n");
         // red is distance to left offset
-        fragBuilder->codeAppend("\tvec2 uv_adjusted = uv - offset;\n");
+        fragBuilder->codeAppend("\tfloat2 uv_adjusted = uv - offset;\n");
         fragBuilder->codeAppend("\ttexColor = ");
         fragBuilder->appendTextureLookup(args.fTexSamplers[0], "uv_adjusted", kVec2f_GrSLType);
         fragBuilder->codeAppend(";\n");
@@ -666,7 +666,7 @@
         fragBuilder->codeAppend("\tdistance.z = texColor.r;\n");
 
         fragBuilder->codeAppend("\tdistance = "
-           "vec3(" SK_DistanceFieldMultiplier ")*(distance - vec3(" SK_DistanceFieldThreshold"));");
+           "float3(" SK_DistanceFieldMultiplier ")*(distance - float3(" SK_DistanceFieldThreshold"));");
 
         // adjust width based on gamma
         const char* distanceAdjustUniName = nullptr;
@@ -692,16 +692,16 @@
             // For general transforms, to determine the amount of correction we multiply a unit
             // vector pointing along the SDF gradient direction by the Jacobian of the st coords
             // (which is the inverse transform for this fragment) and take the length of the result.
-            fragBuilder->codeAppend("vec2 dist_grad = vec2(dFdx(distance.r), dFdy(distance.r));");
+            fragBuilder->codeAppend("float2 dist_grad = float2(dFdx(distance.r), dFdy(distance.r));");
             // the length of the gradient may be 0, so we need to check for this
             // this also compensates for the Adreno, which likes to drop tiles on division by 0
             fragBuilder->codeAppend("float dg_len2 = dot(dist_grad, dist_grad);");
             fragBuilder->codeAppend("if (dg_len2 < 0.0001) {");
-            fragBuilder->codeAppend("dist_grad = vec2(0.7071, 0.7071);");
+            fragBuilder->codeAppend("dist_grad = float2(0.7071, 0.7071);");
             fragBuilder->codeAppend("} else {");
             fragBuilder->codeAppend("dist_grad = dist_grad*inversesqrt(dg_len2);");
             fragBuilder->codeAppend("}");
-            fragBuilder->codeAppend("vec2 grad = vec2(dist_grad.x*Jdx.x + dist_grad.y*Jdy.x,");
+            fragBuilder->codeAppend("float2 grad = float2(dist_grad.x*Jdx.x + dist_grad.y*Jdy.x,");
             fragBuilder->codeAppend("                 dist_grad.x*Jdx.y + dist_grad.y*Jdy.y);");
 
             // this gives us a smooth step across approximately one fragment
@@ -713,11 +713,11 @@
         // mapped linearly to coverage, so use a linear step:
         if (isGammaCorrect) {
             fragBuilder->codeAppendf("%s = "
-                "vec4(clamp((distance + vec3(afwidth)) / vec3(2.0 * afwidth), 0.0, 1.0), 1.0);",
+                "float4(clamp((distance + float3(afwidth)) / float3(2.0 * afwidth), 0.0, 1.0), 1.0);",
                 args.fOutputCoverage);
         } else {
             fragBuilder->codeAppendf(
-                "%s = vec4(smoothstep(vec3(-afwidth), vec3(afwidth), distance), 1.0);",
+                "%s = float4(smoothstep(float3(-afwidth), float3(afwidth), distance), 1.0);",
                 args.fOutputCoverage);
         }
     }
diff --git a/src/gpu/effects/GrDitherEffect.cpp b/src/gpu/effects/GrDitherEffect.cpp
index 73ab181..38e4c77 100644
--- a/src/gpu/effects/GrDitherEffect.cpp
+++ b/src/gpu/effects/GrDitherEffect.cpp
@@ -31,13 +31,13 @@
                 "int x = int(sk_FragCoord.x);\n    int y = int(sk_FragCoord.y);\n    uint m = "
                 "uint((((((y & 1) << 5 | (x & 1) << 4) | (y & 2) << 2) | (x & 2) << 1) | (y & 4) "
                 ">> 1) | (x & 4) >> 2);\n    value = float(m) / 64.0 - 0.4921875;\n} else {\n    "
-                "value = fract(sin(dot(sk_FragCoord.xy, vec2(12.989800000000001, "
-                "78.233000000000004))) * 43758.545299999998) - 0.5;\n}\n%s = vec4(clamp(%s.xyz + "
+                "value = fract(sin(dot(sk_FragCoord.xy, float2(12.989800000000001, "
+                "78.233000000000004))) * 43758.545299999998) - 0.5;\n}\n%s = float4(clamp(%s.xyz + "
                 "value * range, 0.0, %s.w), %s.w);\n",
                 _outer.rangeType(), args.fOutputColor,
-                args.fInputColor ? args.fInputColor : "vec4(1)",
-                args.fInputColor ? args.fInputColor : "vec4(1)",
-                args.fInputColor ? args.fInputColor : "vec4(1)");
+                args.fInputColor ? args.fInputColor : "float4(1)",
+                args.fInputColor ? args.fInputColor : "float4(1)",
+                args.fInputColor ? args.fInputColor : "float4(1)");
     }
 
 private:
diff --git a/src/gpu/effects/GrDitherEffect.fp b/src/gpu/effects/GrDitherEffect.fp
index 937efae..f983702 100644
--- a/src/gpu/effects/GrDitherEffect.fp
+++ b/src/gpu/effects/GrDitherEffect.fp
@@ -61,11 +61,11 @@
         // the assumption that sin(<big number>) oscillates with high frequency
         // and sampling it will generate "randomness". Since we're using this
         // for rendering and not cryptography it should be OK.
-        value = fract(sin(dot(sk_FragCoord.xy, vec2(12.9898, 78.233))) * 43758.5453) - .5;
+        value = fract(sin(dot(sk_FragCoord.xy, float2(12.9898, 78.233))) * 43758.5453) - .5;
     }
     // For each color channel, add the random offset to the channel value and then clamp
     // between 0 and alpha to keep the color premultiplied.
-    sk_OutColor = vec4(clamp(sk_InColor.rgb + value * range, 0, sk_InColor.a), sk_InColor.a);
+    sk_OutColor = float4(clamp(sk_InColor.rgb + value * range, 0, sk_InColor.a), sk_InColor.a);
 }
 
 @test(testData) {
diff --git a/src/gpu/effects/GrEllipseEffect.cpp b/src/gpu/effects/GrEllipseEffect.cpp
index 020c34e..ebc3bf7 100644
--- a/src/gpu/effects/GrEllipseEffect.cpp
+++ b/src/gpu/effects/GrEllipseEffect.cpp
@@ -23,7 +23,7 @@
         GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
         const GrEllipseEffect& _outer = args.fFp.cast<GrEllipseEffect>();
         (void)_outer;
-        prevRadii = vec2(-1.0);
+        prevRadii = float2(-1.0);
         useScale = sk_Caps.floatPrecisionVaries;
         fEllipseVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kVec4f_GrSLType,
                                                        kHigh_GrSLPrecision, "ellipse");
@@ -32,23 +32,26 @@
                                                          kDefault_GrSLPrecision, "scale");
         }
         fragBuilder->codeAppendf(
-                "vec2 prevCenter;\nvec2 prevRadii = vec2(%f, %f);\nbool useScale = %s;\nvec2 d = "
-                "sk_FragCoord.xy - %s.xy;\n@if (useScale) {\n    d *= %s.y;\n}\nvec2 Z = d * "
-                "%s.zw;\nfloat implicit = dot(Z, d) - 1.0;\nfloat grad_dot = 4.0 * dot(Z, "
-                "Z);\ngrad_dot = max(grad_dot, 0.0001);\nfloat approx_dist = implicit * "
-                "inversesqrt(grad_dot);\n@if (useScale) {\n    approx_dist *= %s.x;\n}\nfloat "
-                "alpha;\n@switch (%d) {\n    case 0:\n        alpha = approx_dist > 0.0 ? 0.0 : "
-                "1.0;\n        break;\n    case 1:\n        alpha = clamp(0.5 - approx_dist, 0.0, "
-                "1.0);\n        break;\n    case 2:\n        alpha = approx_dist > 0.0 ? 1.0 : "
-                "0.0;\n        break;\n    case 3:\n        alpha = clamp(0.5 + approx_dist, 0.0, "
-                "1.0);\n        break;\n    default:\n        discard;\n}\n%s = %s * alpha;\n",
+                "float2 prevCenter;\nfloat2 prevRadii = float2(%f, %f);\nbool useScale = "
+                "%s;\nfloat2 d = sk_FragCoord.xy - %s.xy;\n@if (useScale) {\n    d *= "
+                "%s.y;\n}\nfloat2 Z = d * %s.zw;\nfloat implicit = dot(Z, d) - 1.0;\nfloat "
+                "grad_dot = 4.0 * dot(Z, Z);\ngrad_dot = max(grad_dot, 0.0001);\nfloat approx_dist "
+                "= implicit * inversesqrt(grad_dot);\n@if (useScale) {\n    approx_dist *= "
+                "%s.x;\n}\nfloat alpha;\n@switch (%d) {\n    case 0:\n        alpha = approx_dist "
+                "> 0.0 ? 0.0 : 1.0;\n        break;\n    case 1:\n        alpha = clamp(0.5 - "
+                "approx_dist, 0.0, 1.0);\n        break;\n    case 2:\n        alpha = approx_dist "
+                "> 0.0 ? 1.0 : 0.0;\n        break;\n    case 3:\n        alpha = clamp(0.5 + "
+                "approx_dist, 0.0, 1.0);\n        break;\n    default:\n        discard;\n}\n%s = "
+                "%s * alpha;\n",
                 prevRadii.fX, prevRadii.fY, (useScale ? "true" : "false"),
                 args.fUniformHandler->getUniformCStr(fEllipseVar),
-                fScaleVar.isValid() ? args.fUniformHandler->getUniformCStr(fScaleVar) : "vec2(0.0)",
+                fScaleVar.isValid() ? args.fUniformHandler->getUniformCStr(fScaleVar)
+                                    : "float2(0.0)",
                 args.fUniformHandler->getUniformCStr(fEllipseVar),
-                fScaleVar.isValid() ? args.fUniformHandler->getUniformCStr(fScaleVar) : "vec2(0.0)",
+                fScaleVar.isValid() ? args.fUniformHandler->getUniformCStr(fScaleVar)
+                                    : "float2(0.0)",
                 _outer.edgeType(), args.fOutputColor,
-                args.fInputColor ? args.fInputColor : "vec4(1)");
+                args.fInputColor ? args.fInputColor : "float4(1)");
     }
 
 private:
diff --git a/src/gpu/effects/GrEllipseEffect.fp b/src/gpu/effects/GrEllipseEffect.fp
index 7bf3220..85c4c96 100644
--- a/src/gpu/effects/GrEllipseEffect.fp
+++ b/src/gpu/effects/GrEllipseEffect.fp
@@ -6,17 +6,17 @@
  */
 
 layout(key) in int edgeType;
-in vec2 center;
-in vec2 radii;
+in float2 center;
+in float2 radii;
 
-vec2 prevCenter;
-vec2 prevRadii = vec2(-1);
+float2 prevCenter;
+float2 prevRadii = float2(-1);
 // The ellipse uniform is (center.x, center.y, 1 / rx^2, 1 / ry^2)
 // The last two terms can underflow on mediump, so we use highp.
-uniform highp vec4 ellipse;
+uniform highp float4 ellipse;
 
 bool useScale = sk_Caps.floatPrecisionVaries;
-layout(when=useScale) uniform vec2 scale;
+layout(when=useScale) uniform float2 scale;
 
 @optimizationFlags { kCompatibleWithCoverageAsAlpha_OptimizationFlag }
 
@@ -50,7 +50,7 @@
 
 void main() {
     // d is the offset to the ellipse center
-    vec2 d = sk_FragCoord.xy - ellipse.xy;
+    float2 d = sk_FragCoord.xy - ellipse.xy;
     // If we're on a device with a "real" mediump then we'll do the distance computation in a space
     // that is normalized by the larger radius. The scale uniform will be scale, 1/scale. The
     // inverse squared radii uniform values are already in this normalized space. The center is
@@ -58,7 +58,7 @@
     @if (useScale) {
         d *= scale.y;
     }
-    vec2 Z = d * ellipse.zw;
+    float2 Z = d * ellipse.zw;
     // implicit is the evaluation of (x/rx)^2 + (y/ry)^2 - 1.
     float implicit = dot(Z, d) - 1;
     // grad_dot is the squared length of the gradient of the implicit.
diff --git a/src/gpu/effects/GrGaussianConvolutionFragmentProcessor.cpp b/src/gpu/effects/GrGaussianConvolutionFragmentProcessor.cpp
index ebe86dd..eb6f49f 100644
--- a/src/gpu/effects/GrGaussianConvolutionFragmentProcessor.cpp
+++ b/src/gpu/effects/GrGaussianConvolutionFragmentProcessor.cpp
@@ -59,13 +59,13 @@
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
 
-    fragBuilder->codeAppendf("%s = vec4(0, 0, 0, 0);", args.fOutputColor);
+    fragBuilder->codeAppendf("%s = float4(0, 0, 0, 0);", args.fOutputColor);
 
     const GrShaderVar& kernel = uniformHandler->getUniformVariable(fKernelUni);
     const char* imgInc = uniformHandler->getUniformCStr(fImageIncrementUni);
 
-    fragBuilder->codeAppendf("vec2 coord = %s - %d.0 * %s;", coords2D.c_str(), ce.radius(), imgInc);
-    fragBuilder->codeAppend("vec2 coordSampled = vec2(0, 0);");
+    fragBuilder->codeAppendf("float2 coord = %s - %d.0 * %s;", coords2D.c_str(), ce.radius(), imgInc);
+    fragBuilder->codeAppend("float2 coordSampled = float2(0, 0);");
 
     // Manually unroll loop because some drivers don't; yields 20-30% speedup.
     const char* kVecSuffix[4] = {".x", ".y", ".z", ".w"};
diff --git a/src/gpu/effects/GrMatrixConvolutionEffect.cpp b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
index 46dc2d8..9d8e793 100644
--- a/src/gpu/effects/GrMatrixConvolutionEffect.cpp
+++ b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
@@ -70,9 +70,9 @@
 
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
-    fragBuilder->codeAppend("vec4 sum = vec4(0, 0, 0, 0);");
-    fragBuilder->codeAppendf("vec2 coord = %s - %s * %s;", coords2D.c_str(), kernelOffset, imgInc);
-    fragBuilder->codeAppend("vec4 c;");
+    fragBuilder->codeAppend("float4 sum = float4(0, 0, 0, 0);");
+    fragBuilder->codeAppendf("float2 coord = %s - %s * %s;", coords2D.c_str(), kernelOffset, imgInc);
+    fragBuilder->codeAppend("float4 c;");
 
     const char* kVecSuffix[4] = { ".x", ".y", ".z", ".w" };
     for (int y = 0; y < kHeight; y++) {
@@ -83,7 +83,7 @@
             fragBuilder->codeAppendf("float k = %s[%d]%s;", kernel, offset / 4,
                                      kVecSuffix[offset & 0x3]);
             SkString coord;
-            coord.printf("coord + vec2(%d, %d) * %s", x, y, imgInc);
+            coord.printf("coord + float2(%d, %d) * %s", x, y, imgInc);
             fDomain.sampleTexture(fragBuilder,
                                   uniformHandler,
                                   args.fShaderCaps,
diff --git a/src/gpu/effects/GrNonlinearColorSpaceXformEffect.cpp b/src/gpu/effects/GrNonlinearColorSpaceXformEffect.cpp
index d26377b..6ae770b 100644
--- a/src/gpu/effects/GrNonlinearColorSpaceXformEffect.cpp
+++ b/src/gpu/effects/GrNonlinearColorSpaceXformEffect.cpp
@@ -71,13 +71,13 @@
         }
 
         if (nullptr == args.fInputColor) {
-            args.fInputColor = "vec4(1)";
+            args.fInputColor = "float4(1)";
         }
-        fragBuilder->codeAppendf("vec4 color = %s;", args.fInputColor);
+        fragBuilder->codeAppendf("float4 color = %s;", args.fInputColor);
 
         // 1: Un-premultiply the input color (if necessary)
         fragBuilder->codeAppendf("float nonZeroAlpha = max(color.a, 0.00001);");
-        fragBuilder->codeAppendf("color = vec4(color.rgb / nonZeroAlpha, nonZeroAlpha);");
+        fragBuilder->codeAppendf("color = float4(color.rgb / nonZeroAlpha, nonZeroAlpha);");
 
         // 2: Apply src transfer function (to get to linear RGB)
         if (srcCoeffsName) {
@@ -89,7 +89,7 @@
         // 3: Apply gamut matrix
         if (gamutXformName) {
             fragBuilder->codeAppendf(
-                "color.rgb = (%s * vec4(color.rgb, 1.0)).rgb;", gamutXformName);
+                "color.rgb = (%s * float4(color.rgb, 1.0)).rgb;", gamutXformName);
         }
 
         // 4: Apply dst transfer fn
@@ -100,7 +100,7 @@
         }
 
         // 5: Premultiply again
-        fragBuilder->codeAppendf("%s = vec4(color.rgb * color.a, color.a);", args.fOutputColor);
+        fragBuilder->codeAppendf("%s = float4(color.rgb * color.a, color.a);", args.fOutputColor);
     }
 
     static inline void GenKey(const GrProcessor& processor, const GrShaderCaps&,
diff --git a/src/gpu/effects/GrPorterDuffXferProcessor.cpp b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
index ffb91cc..c571b83 100644
--- a/src/gpu/effects/GrPorterDuffXferProcessor.cpp
+++ b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
@@ -440,7 +440,7 @@
     SkASSERT(inColor);
     switch (outputType) {
         case BlendFormula::kNone_OutputType:
-            fragBuilder->codeAppendf("%s = vec4(0.0);", output);
+            fragBuilder->codeAppendf("%s = float4(0.0);", output);
             break;
         case BlendFormula::kCoverage_OutputType:
             // We can have a coverage formula while not reading coverage if there are mixed samples.
@@ -456,7 +456,7 @@
             fragBuilder->codeAppendf("%s = (1.0 - %s.a) * %s;", output, inColor, inCoverage);
             break;
         case BlendFormula::kISCModulate_OutputType:
-            fragBuilder->codeAppendf("%s = (vec4(1.0) - %s) * %s;", output, inColor, inCoverage);
+            fragBuilder->codeAppendf("%s = (float4(1.0) - %s) * %s;", output, inColor, inCoverage);
             break;
         default:
             SkFAIL("Unsupported output type.");
diff --git a/src/gpu/effects/GrRRectEffect.cpp b/src/gpu/effects/GrRRectEffect.cpp
index edf8eb6..8dde914 100644
--- a/src/gpu/effects/GrRRectEffect.cpp
+++ b/src/gpu/effects/GrRRectEffect.cpp
@@ -197,13 +197,13 @@
     // alphas together.
     switch (crre.getCircularCornerFlags()) {
         case CircularRRectEffect::kAll_CornerFlags:
-            fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
-            fragBuilder->codeAppendf("vec2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
-            fragBuilder->codeAppend("vec2 dxy = max(max(dxy0, dxy1), 0.0);");
+            fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
+            fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
+            fragBuilder->codeAppend("float2 dxy = max(max(dxy0, dxy1), 0.0);");
             fragBuilder->codeAppendf("float alpha = %s;", clampedCircleDistance.c_str());
             break;
         case CircularRRectEffect::kTopLeft_CornerFlag:
-            fragBuilder->codeAppendf("vec2 dxy = max(%s.xy - sk_FragCoord.xy, 0.0);",
+            fragBuilder->codeAppendf("float2 dxy = max(%s.xy - sk_FragCoord.xy, 0.0);",
                                      rectName);
             fragBuilder->codeAppendf("float rightAlpha = clamp(%s.z - sk_FragCoord.x, 0.0, 1.0);",
                                      rectName);
@@ -213,7 +213,7 @@
                                      clampedCircleDistance.c_str());
             break;
         case CircularRRectEffect::kTopRight_CornerFlag:
-            fragBuilder->codeAppendf("vec2 dxy = max(vec2(sk_FragCoord.x - %s.z, "
+            fragBuilder->codeAppendf("float2 dxy = max(float2(sk_FragCoord.x - %s.z, "
                                                          "%s.y - sk_FragCoord.y), 0.0);",
                                      rectName, rectName);
             fragBuilder->codeAppendf("float leftAlpha = clamp(sk_FragCoord.x - %s.x, 0.0, 1.0);",
@@ -224,7 +224,7 @@
                                      clampedCircleDistance.c_str());
             break;
         case CircularRRectEffect::kBottomRight_CornerFlag:
-            fragBuilder->codeAppendf("vec2 dxy = max(sk_FragCoord.xy - %s.zw, 0.0);",
+            fragBuilder->codeAppendf("float2 dxy = max(sk_FragCoord.xy - %s.zw, 0.0);",
                                      rectName);
             fragBuilder->codeAppendf("float leftAlpha = clamp(sk_FragCoord.x - %s.x, 0.0, 1.0);",
                                      rectName);
@@ -234,7 +234,7 @@
                                      clampedCircleDistance.c_str());
             break;
         case CircularRRectEffect::kBottomLeft_CornerFlag:
-            fragBuilder->codeAppendf("vec2 dxy = max(vec2(%s.x - sk_FragCoord.x, sk_FragCoord.y - "
+            fragBuilder->codeAppendf("float2 dxy = max(float2(%s.x - sk_FragCoord.x, sk_FragCoord.y - "
                                      "%s.w), 0.0);",
                                      rectName, rectName);
             fragBuilder->codeAppendf("float rightAlpha = clamp(%s.z - sk_FragCoord.x, 0.0, 1.0);",
@@ -245,18 +245,18 @@
                                      clampedCircleDistance.c_str());
             break;
         case CircularRRectEffect::kLeft_CornerFlags:
-            fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
+            fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
             fragBuilder->codeAppendf("float dy1 = sk_FragCoord.y - %s.w;", rectName);
-            fragBuilder->codeAppend("vec2 dxy = max(vec2(dxy0.x, max(dxy0.y, dy1)), 0.0);");
+            fragBuilder->codeAppend("float2 dxy = max(float2(dxy0.x, max(dxy0.y, dy1)), 0.0);");
             fragBuilder->codeAppendf("float rightAlpha = clamp(%s.z - sk_FragCoord.x, 0.0, 1.0);",
                                      rectName);
             fragBuilder->codeAppendf("float alpha = rightAlpha * %s;",
                                      clampedCircleDistance.c_str());
             break;
         case CircularRRectEffect::kTop_CornerFlags:
-            fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
+            fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
             fragBuilder->codeAppendf("float dx1 = sk_FragCoord.x - %s.z;", rectName);
-            fragBuilder->codeAppend("vec2 dxy = max(vec2(max(dxy0.x, dx1), dxy0.y), 0.0);");
+            fragBuilder->codeAppend("float2 dxy = max(float2(max(dxy0.x, dx1), dxy0.y), 0.0);");
             fragBuilder->codeAppendf("float bottomAlpha = clamp(%s.w - sk_FragCoord.y, 0.0, 1.0);",
                                      rectName);
             fragBuilder->codeAppendf("float alpha = bottomAlpha * %s;",
@@ -264,8 +264,8 @@
             break;
         case CircularRRectEffect::kRight_CornerFlags:
             fragBuilder->codeAppendf("float dy0 = %s.y - sk_FragCoord.y;", rectName);
-            fragBuilder->codeAppendf("vec2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
-            fragBuilder->codeAppend("vec2 dxy = max(vec2(dxy1.x, max(dy0, dxy1.y)), 0.0);");
+            fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
+            fragBuilder->codeAppend("float2 dxy = max(float2(dxy1.x, max(dy0, dxy1.y)), 0.0);");
             fragBuilder->codeAppendf("float leftAlpha = clamp(sk_FragCoord.x - %s.x, 0.0, 1.0);",
                                      rectName);
             fragBuilder->codeAppendf("float alpha = leftAlpha * %s;",
@@ -273,8 +273,8 @@
             break;
         case CircularRRectEffect::kBottom_CornerFlags:
             fragBuilder->codeAppendf("float dx0 = %s.x - sk_FragCoord.x;", rectName);
-            fragBuilder->codeAppendf("vec2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
-            fragBuilder->codeAppend("vec2 dxy = max(vec2(max(dx0, dxy1.x), dxy1.y), 0.0);");
+            fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
+            fragBuilder->codeAppend("float2 dxy = max(float2(max(dx0, dxy1.x), dxy1.y), 0.0);");
             fragBuilder->codeAppendf("float topAlpha = clamp(sk_FragCoord.y - %s.y, 0.0, 1.0);",
                                      rectName);
             fragBuilder->codeAppendf("float alpha = topAlpha * %s;",
@@ -532,8 +532,8 @@
     // The code below is a simplified version of the above that performs maxs on the vector
     // components before computing distances and alpha values so that only one distance computation
     // need be computed to determine the min alpha.
-    fragBuilder->codeAppendf("vec2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
-    fragBuilder->codeAppendf("vec2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
+    fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);
+    fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);
 
     // If we're on a device with a "real" mediump then we'll do the distance computation in a space
     // that is normalized by the largest radius. The scale uniform will be scale, 1/scale. The
@@ -554,12 +554,12 @@
                                                              kDefault_GrSLPrecision,
                                                              "invRadiiXY",
                                                              &invRadiiXYSqdName);
-            fragBuilder->codeAppend("vec2 dxy = max(max(dxy0, dxy1), 0.0);");
+            fragBuilder->codeAppend("float2 dxy = max(max(dxy0, dxy1), 0.0);");
             if (scaleName) {
                 fragBuilder->codeAppendf("dxy *= %s.y;", scaleName);
             }
             // Z is the x/y offsets divided by squared radii.
-            fragBuilder->codeAppendf("vec2 Z = dxy * %s.xy;", invRadiiXYSqdName);
+            fragBuilder->codeAppendf("float2 Z = dxy * %s.xy;", invRadiiXYSqdName);
             break;
         }
         case SkRRect::kNinePatch_Type: {
@@ -573,11 +573,11 @@
                 fragBuilder->codeAppendf("dxy0 *= %s.y;", scaleName);
                 fragBuilder->codeAppendf("dxy1 *= %s.y;", scaleName);
             }
-            fragBuilder->codeAppend("vec2 dxy = max(max(dxy0, dxy1), 0.0);");
+            fragBuilder->codeAppend("float2 dxy = max(max(dxy0, dxy1), 0.0);");
             // Z is the x/y offsets divided by squared radii. We only care about the (at most) one
             // corner where both the x and y offsets are positive, hence the maxes. (The inverse
             // squared radii will always be positive.)
-            fragBuilder->codeAppendf("vec2 Z = max(max(dxy0 * %s.xy, dxy1 * %s.zw), 0.0);",
+            fragBuilder->codeAppendf("float2 Z = max(max(dxy0 * %s.xy, dxy1 * %s.zw), 0.0);",
                                      invRadiiLTRBSqdName, invRadiiLTRBSqdName);
 
             break;
diff --git a/src/gpu/effects/GrSRGBEffect.cpp b/src/gpu/effects/GrSRGBEffect.cpp
index ed924b3..1cffb9e 100644
--- a/src/gpu/effects/GrSRGBEffect.cpp
+++ b/src/gpu/effects/GrSRGBEffect.cpp
@@ -44,20 +44,20 @@
         }
 
         if (nullptr == args.fInputColor) {
-            args.fInputColor = "vec4(1)";
+            args.fInputColor = "float4(1)";
         }
 
-        fragBuilder->codeAppendf("vec4 color = %s;", args.fInputColor);
+        fragBuilder->codeAppendf("float4 color = %s;", args.fInputColor);
         if (srgbe.alpha() == GrSRGBEffect::Alpha::kPremul) {
             fragBuilder->codeAppendf("float nonZeroAlpha = max(color.a, 0.00001);");
-            fragBuilder->codeAppendf("color = vec4(color.rgb / nonZeroAlpha, color.a);");
+            fragBuilder->codeAppendf("color = float4(color.rgb / nonZeroAlpha, color.a);");
         }
-        fragBuilder->codeAppendf("color = vec4(%s(color.r), %s(color.g), %s(color.b), color.a);",
+        fragBuilder->codeAppendf("color = float4(%s(color.r), %s(color.g), %s(color.b), color.a);",
                                     srgbFuncName.c_str(),
                                     srgbFuncName.c_str(),
                                     srgbFuncName.c_str());
         if (srgbe.alpha() == GrSRGBEffect::Alpha::kPremul) {
-            fragBuilder->codeAppendf("color = vec4(color.rgb, 1) * color.a;");
+            fragBuilder->codeAppendf("color = float4(color.rgb, 1) * color.a;");
         }
         fragBuilder->codeAppendf("%s = color;", args.fOutputColor);
     }
diff --git a/src/gpu/effects/GrShadowGeoProc.cpp b/src/gpu/effects/GrShadowGeoProc.cpp
index 6ab993a..046240c 100644
--- a/src/gpu/effects/GrShadowGeoProc.cpp
+++ b/src/gpu/effects/GrShadowGeoProc.cpp
@@ -26,7 +26,7 @@
 
         // emit attributes
         varyingHandler->emitAttributes(rsgp);
-        fragBuilder->codeAppend("vec4 shadowParams;");
+        fragBuilder->codeAppend("float4 shadowParams;");
         varyingHandler->addPassThroughAttribute(rsgp.inShadowParams(), "shadowParams");
 
         // setup pass through color
@@ -48,7 +48,7 @@
 
         fragBuilder->codeAppend("float factor = 1.0 - clamp(distance, 0.0, shadowParams.w);");
         fragBuilder->codeAppend("factor = exp(-factor * factor * 4.0) - 0.018;");
-        fragBuilder->codeAppendf("%s = vec4(factor);",
+        fragBuilder->codeAppendf("%s = float4(factor);",
                                  args.fOutputCoverage);
     }
 
diff --git a/src/gpu/effects/GrSimpleTextureEffect.cpp b/src/gpu/effects/GrSimpleTextureEffect.cpp
index cab078b..bbac5b5 100644
--- a/src/gpu/effects/GrSimpleTextureEffect.cpp
+++ b/src/gpu/effects/GrSimpleTextureEffect.cpp
@@ -27,15 +27,15 @@
         SkSL::String sk_TransformedCoords2D_0 =
                 fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
         fragBuilder->codeAppendf(
-                "vec4 _tmpVar1;%s = %s * %stexture(%s, %s).%s%s;\n", args.fOutputColor,
-                args.fInputColor ? args.fInputColor : "vec4(1)",
+                "float4 _tmpVar1;%s = %s * %stexture(%s, %s).%s%s;\n", args.fOutputColor,
+                args.fInputColor ? args.fInputColor : "float4(1)",
                 fColorSpaceHelper.isValid() ? "(_tmpVar1 = " : "",
                 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(),
                 sk_TransformedCoords2D_0.c_str(),
                 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(),
                 fColorSpaceHelper.isValid()
-                        ? SkStringPrintf(", vec4(clamp((%s * vec4(_tmpVar1.rgb, 1.0)).rgb, 0.0, "
-                                         "_tmpVar1.a), _tmpVar1.a))",
+                        ? SkStringPrintf(", float4(clamp((%s * float4(_tmpVar1.rgb, 1.0)).rgb, "
+                                         "0.0, _tmpVar1.a), _tmpVar1.a))",
                                          args.fUniformHandler->getUniformCStr(
                                                  fColorSpaceHelper.gamutXformUniform()))
                                   .c_str()
diff --git a/src/gpu/effects/GrSimpleTextureEffect.fp b/src/gpu/effects/GrSimpleTextureEffect.fp
index 2094444..6f7c818 100644
--- a/src/gpu/effects/GrSimpleTextureEffect.fp
+++ b/src/gpu/effects/GrSimpleTextureEffect.fp
@@ -7,7 +7,7 @@
 
 in uniform sampler2D image;
 in uniform colorSpaceXform colorXform;
-in mat4 matrix;
+in float4x4 matrix;
 
 @constructorParams {
     GrSamplerParams samplerParams
diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index fa56058..ee7985c 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -115,8 +115,8 @@
                 // may return undefined results". This appears to be an issue with
                 // the 'any' call since even the simple "result=black; if (any())
                 // result=white;" code fails to compile.
-                builder->codeAppend("vec4 outside = vec4(0.0, 0.0, 0.0, 0.0);");
-                builder->codeAppend("vec4 inside = ");
+                builder->codeAppend("float4 outside = float4(0.0, 0.0, 0.0, 0.0);");
+                builder->codeAppend("float4 inside = ");
                 builder->appendTextureLookupAndModulate(inModulateColor, sampler, inCoords.c_str(),
                                                         kVec2f_GrSLType, colorXformHelper);
                 builder->codeAppend(";");
@@ -131,12 +131,12 @@
                 builder->codeAppend("float blend = step(1.0, max(x, y));");
                 builder->codeAppendf("%s = mix(inside, outside, blend);", outColor);
             } else {
-                builder->codeAppend("bvec4 outside;\n");
+                builder->codeAppend("bool4 outside;\n");
                 builder->codeAppendf("outside.xy = lessThan(%s, %s.xy);", inCoords.c_str(),
                                        domain);
                 builder->codeAppendf("outside.zw = greaterThan(%s, %s.zw);", inCoords.c_str(),
                                        domain);
-                builder->codeAppendf("%s = any(outside) ? vec4(0.0, 0.0, 0.0, 0.0) : ",
+                builder->codeAppendf("%s = any(outside) ? float4(0.0, 0.0, 0.0, 0.0) : ",
                                        outColor);
                 builder->appendTextureLookupAndModulate(inModulateColor, sampler, inCoords.c_str(),
                                                         kVec2f_GrSLType, colorXformHelper);
@@ -385,7 +385,7 @@
                                                                      kDefault_GrSLPrecision,
                                                                      "scaleAndTranslate",
                                                                      &scaleAndTranslateName);
-            args.fFragBuilder->codeAppendf("vec2 coords = sk_FragCoord.xy * %s.xy + %s.zw;",
+            args.fFragBuilder->codeAppendf("float2 coords = sk_FragCoord.xy * %s.xy + %s.zw;",
                                            scaleAndTranslateName, scaleAndTranslateName);
             fGLDomain.sampleTexture(args.fFragBuilder,
                                     args.fUniformHandler,
diff --git a/src/gpu/effects/GrTextureDomain.h b/src/gpu/effects/GrTextureDomain.h
index 96bbc23..10c2e56 100644
--- a/src/gpu/effects/GrTextureDomain.h
+++ b/src/gpu/effects/GrTextureDomain.h
@@ -23,7 +23,7 @@
 
 /**
  * Limits a texture's lookup coordinates to a domain. Samples outside the domain are either clamped
- * the edge of the domain or result in a vec4 of zeros (decal mode). The domain is clipped to
+ * the edge of the domain or result in a float4 of zeros (decal mode). The domain is clipped to
  * normalized texture coords ([0,1]x[0,1] square). Bilinear filtering can cause texels outside the
  * domain to affect the read value unless the caller considers this when calculating the domain.
  */
@@ -98,8 +98,8 @@
          * Call this from GrGLSLFragmentProcessor::emitCode() to sample the texture W.R.T. the
          * domain and mode.
          *
-         * @param outcolor  name of vec4 variable to hold the sampled color.
-         * @param inCoords  name of vec2 variable containing the coords to be used with the domain.
+         * @param outcolor  name of float4 variable to hold the sampled color.
+         * @param inCoords  name of float2 variable containing the coords to be used with the domain.
          *                  It is assumed that this is a variable and not an expression.
          * @param inModulateColor   if non-nullptr the sampled color will be modulated with this
          *                          expression before being written to outColor.
diff --git a/src/gpu/effects/GrXfermodeFragmentProcessor.cpp b/src/gpu/effects/GrXfermodeFragmentProcessor.cpp
index 80de68f..88a09e6 100644
--- a/src/gpu/effects/GrXfermodeFragmentProcessor.cpp
+++ b/src/gpu/effects/GrXfermodeFragmentProcessor.cpp
@@ -220,7 +220,7 @@
     const char* inputColor = nullptr;
     if (args.fInputColor) {
         inputColor = "inputColor";
-        fragBuilder->codeAppendf("vec4 inputColor = vec4(%s.rgb, 1.0);", args.fInputColor);
+        fragBuilder->codeAppendf("float4 inputColor = float4(%s.rgb, 1.0);", args.fInputColor);
     }
 
     // declare outputColor and emit the code for each of the two children
@@ -454,7 +454,7 @@
         const char* inputColor = args.fInputColor;
         // We don't try to optimize for this case at all
         if (!inputColor) {
-            fragBuilder->codeAppendf("const vec4 ones = vec4(1);");
+            fragBuilder->codeAppendf("const float4 ones = float4(1);");
             inputColor = "ones";
         }
 
diff --git a/src/gpu/effects/GrYUVEffect.cpp b/src/gpu/effects/GrYUVEffect.cpp
index 0d7f218..93f268a 100644
--- a/src/gpu/effects/GrYUVEffect.cpp
+++ b/src/gpu/effects/GrYUVEffect.cpp
@@ -112,7 +112,7 @@
             fMatrixUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag,
                                                           kMat44f_GrSLType, kDefault_GrSLPrecision,
                                                           "ColorSpaceMatrix", &colorSpaceMatrix);
-            fragBuilder->codeAppendf("%s = vec4(", args.fOutputColor);
+            fragBuilder->codeAppendf("%s = float4(", args.fOutputColor);
             fragBuilder->appendTextureLookup(args.fTexSamplers[0],
                                              args.fTransformedCoords[0].c_str(),
                                              args.fTransformedCoords[0].getType());
@@ -279,7 +279,7 @@
                         kFragment_GrShaderFlag,
                         kVec4f_GrSLType, kDefault_GrSLPrecision,
                         "RGBToYUV", 3, &uniName);
-                    fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s[0].rgb) + %s[0].a,"
+                    fragBuilder->codeAppendf("%s = float4(dot(rgbColor.rgb, %s[0].rgb) + %s[0].a,"
                                                        "dot(rgbColor.rgb, %s[1].rgb) + %s[1].a,"
                                                        "dot(rgbColor.rgb, %s[2].rgb) + %s[2].a,"
                                                        "rgbColor.a);",
@@ -291,7 +291,7 @@
                         kFragment_GrShaderFlag,
                         kVec4f_GrSLType, kDefault_GrSLPrecision,
                         "RGBToUV", 2, &uniName);
-                    fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s[0].rgb) + %s[0].a,"
+                    fragBuilder->codeAppendf("%s = float4(dot(rgbColor.rgb, %s[0].rgb) + %s[0].a,"
                                                        "dot(rgbColor.rgb, %s[1].rgb) + %s[1].a,"
                                                        "0.0,"
                                                        "rgbColor.a);",
@@ -304,7 +304,7 @@
                         kFragment_GrShaderFlag,
                         kVec4f_GrSLType, kDefault_GrSLPrecision,
                         "RGBToYUorV", &uniName);
-                    fragBuilder->codeAppendf("%s = vec4(dot(rgbColor.rgb, %s.rgb) + %s.a);\n",
+                    fragBuilder->codeAppendf("%s = float4(dot(rgbColor.rgb, %s.rgb) + %s.a);\n",
                                              args.fOutputColor, uniName, uniName);
                     break;
             }
diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp
index 3c35def..6247850 100644
--- a/src/gpu/gl/GrGLGpu.cpp
+++ b/src/gpu/gl/GrGLGpu.cpp
@@ -3512,7 +3512,7 @@
         "void main() {"
         "  v_texCoord = a_vertex.xy * u_texCoordXform.xy + u_texCoordXform.zw;"
         "  gl_Position.xy = a_vertex * u_posXform.xy + u_posXform.zw;"
-        "  gl_Position.zw = vec2(0, 1);"
+        "  gl_Position.zw = float2(0, 1);"
         "}"
     );
 
@@ -3628,27 +3628,27 @@
     vshaderTxt.append(
         "// Mipmap Program VS\n"
         "void main() {"
-        "  gl_Position.xy = a_vertex * vec2(2, 2) - vec2(1, 1);"
-        "  gl_Position.zw = vec2(0, 1);"
+        "  gl_Position.xy = a_vertex * float2(2, 2) - float2(1, 1);"
+        "  gl_Position.zw = float2(0, 1);"
     );
 
     // Insert texture coordinate computation:
     if (oddWidth && oddHeight) {
         vshaderTxt.append(
             "  v_texCoord0 = a_vertex.xy * u_texCoordXform.yw;"
-            "  v_texCoord1 = a_vertex.xy * u_texCoordXform.yw + vec2(u_texCoordXform.x, 0);"
-            "  v_texCoord2 = a_vertex.xy * u_texCoordXform.yw + vec2(0, u_texCoordXform.z);"
+            "  v_texCoord1 = a_vertex.xy * u_texCoordXform.yw + float2(u_texCoordXform.x, 0);"
+            "  v_texCoord2 = a_vertex.xy * u_texCoordXform.yw + float2(0, u_texCoordXform.z);"
             "  v_texCoord3 = a_vertex.xy * u_texCoordXform.yw + u_texCoordXform.xz;"
         );
     } else if (oddWidth) {
         vshaderTxt.append(
-            "  v_texCoord0 = a_vertex.xy * vec2(u_texCoordXform.y, 1);"
-            "  v_texCoord1 = a_vertex.xy * vec2(u_texCoordXform.y, 1) + vec2(u_texCoordXform.x, 0);"
+            "  v_texCoord0 = a_vertex.xy * float2(u_texCoordXform.y, 1);"
+            "  v_texCoord1 = a_vertex.xy * float2(u_texCoordXform.y, 1) + float2(u_texCoordXform.x, 0);"
         );
     } else if (oddHeight) {
         vshaderTxt.append(
-            "  v_texCoord0 = a_vertex.xy * vec2(1, u_texCoordXform.w);"
-            "  v_texCoord1 = a_vertex.xy * vec2(1, u_texCoordXform.w) + vec2(0, u_texCoordXform.z);"
+            "  v_texCoord0 = a_vertex.xy * float2(1, u_texCoordXform.w);"
+            "  v_texCoord1 = a_vertex.xy * float2(1, u_texCoordXform.w) + float2(0, u_texCoordXform.z);"
         );
     } else {
         vshaderTxt.append(
@@ -3760,7 +3760,7 @@
     vshaderTxt.append(
             "// Stencil Clip Clear Program VS\n"
             "void main() {"
-            "  gl_Position = vec4(a_vertex.x, a_vertex.y, 0, 1);"
+            "  gl_Position = float4(a_vertex.x, a_vertex.y, 0, 1);"
             "}");
 
     SkString fshaderTxt(version);
@@ -3770,7 +3770,7 @@
     fshaderTxt.appendf(
             "// Stencil Clip Clear Program FS\n"
             "void main() {"
-            "  sk_FragColor = vec4(0);"
+            "  sk_FragColor = float4(0);"
             "}");
 
     const char* str;
diff --git a/src/gpu/gl/GrGLProgram.h b/src/gpu/gl/GrGLProgram.h
index d6bde9a..ec32c35 100644
--- a/src/gpu/gl/GrGLProgram.h
+++ b/src/gpu/gl/GrGLProgram.h
@@ -68,8 +68,8 @@
         }
 
         /**
-         * Gets a vec4 that adjusts the position from Skia device coords to GL's normalized device
-         * coords. Assuming the transformed position, pos, is a homogeneous vec3, the vec, v, is
+         * Gets a float4 that adjusts the position from Skia device coords to GL's normalized device
+         * coords. Assuming the transformed position, pos, is a homogeneous float3, the vec, v, is
          * applied as such:
          * pos.x = dot(v.xy, pos.xz)
          * pos.y = dot(v.zw, pos.yz)
diff --git a/src/gpu/glsl/GrGLSLBlend.cpp b/src/gpu/glsl/GrGLSLBlend.cpp
index bee5a83..b37169b 100644
--- a/src/gpu/glsl/GrGLSLBlend.cpp
+++ b/src/gpu/glsl/GrGLSLBlend.cpp
@@ -120,14 +120,14 @@
 // Adds a function that takes two colors and an alpha as input. It produces a color with the
 // hue and saturation of the first color, the luminosity of the second color, and the input
 // alpha. It has this signature:
-//      vec3 set_luminance(vec3 hueSatColor, float alpha, vec3 lumColor).
+//      float3 set_luminance(float3 hueSatColor, float alpha, float3 lumColor).
 static void add_lum_function(GrGLSLFragmentBuilder* fsBuilder, SkString* setLumFunction) {
     // Emit a helper that gets the luminance of a color.
     SkString getFunction;
     GrShaderVar getLumArgs[] = {
         GrShaderVar("color", kVec3f_GrSLType),
     };
-    SkString getLumBody("return dot(vec3(0.3, 0.59, 0.11), color);");
+    SkString getLumBody("return dot(float3(0.3, 0.59, 0.11), color);");
     fsBuilder->emitFunction(kFloat_GrSLType,
                             "luminance",
                             SK_ARRAY_COUNT(getLumArgs), getLumArgs,
@@ -142,17 +142,17 @@
     };
     SkString setLumBody;
     setLumBody.printf("float diff = %s(lumColor - hueSat);", getFunction.c_str());
-    setLumBody.append("vec3 outColor = hueSat + diff;");
+    setLumBody.append("float3 outColor = hueSat + diff;");
     setLumBody.appendf("float outLum = %s(outColor);", getFunction.c_str());
     setLumBody.append("float minComp = min(min(outColor.r, outColor.g), outColor.b);"
                       "float maxComp = max(max(outColor.r, outColor.g), outColor.b);"
                       "if (minComp < 0.0 && outLum != minComp) {"
-                      "outColor = outLum + ((outColor - vec3(outLum, outLum, outLum)) * outLum) /"
+                      "outColor = outLum + ((outColor - float3(outLum, outLum, outLum)) * outLum) /"
                       "(outLum - minComp);"
                       "}"
                       "if (maxComp > alpha && maxComp != outLum) {"
                       "outColor = outLum +"
-                      "((outColor - vec3(outLum, outLum, outLum)) * (alpha - outLum)) /"
+                      "((outColor - float3(outLum, outLum, outLum)) * (alpha - outLum)) /"
                       "(maxComp - outLum);"
                       "}"
                       "return outColor;");
@@ -165,7 +165,7 @@
 
 // Adds a function that creates a color with the hue and luminosity of one input color and
 // the saturation of another color. It will have this signature:
-//      float set_saturation(vec3 hueLumColor, vec3 satColor)
+//      float set_saturation(float3 hueLumColor, float3 satColor)
 static void add_sat_function(GrGLSLFragmentBuilder* fsBuilder, SkString* setSatFunction) {
     // Emit a helper that gets the saturation of a color
     SkString getFunction;
@@ -181,7 +181,7 @@
 
     // Emit a helper that sets the saturation given sorted input channels. This used
     // to use inout params for min, mid, and max components but that seems to cause
-    // problems on PowerVR drivers. So instead it returns a vec3 where r, g ,b are the
+    // problems on PowerVR drivers. So instead it returns a float3 where r, g ,b are the
     // adjusted min, mid, and max inputs, respectively.
     SkString helperFunction;
     GrShaderVar helperArgs[] = {
@@ -191,13 +191,13 @@
         GrShaderVar("sat", kFloat_GrSLType),
     };
     static const char kHelperBody[] = "if (minComp < maxComp) {"
-        "vec3 result;"
+        "float3 result;"
         "result.r = 0.0;"
         "result.g = sat * (midComp - minComp) / (maxComp - minComp);"
         "result.b = sat;"
         "return result;"
         "} else {"
-        "return vec3(0, 0, 0);"
+        "return float3(0, 0, 0);"
         "}";
     fsBuilder->emitFunction(kVec3f_GrSLType,
                             "set_saturation_helper",
@@ -311,7 +311,7 @@
             SkString setSat, setLum;
             add_sat_function(fsBuilder, &setSat);
             add_lum_function(fsBuilder, &setLum);
-            fsBuilder->codeAppendf("vec4 dstSrcAlpha = %s * %s.a;",
+            fsBuilder->codeAppendf("float4 dstSrcAlpha = %s * %s.a;",
                                    dstColor, srcColor);
             fsBuilder->codeAppendf("%s.rgb = %s(%s(%s.rgb * %s.a, dstSrcAlpha.rgb),"
                                    "dstSrcAlpha.a, dstSrcAlpha.rgb);",
@@ -326,7 +326,7 @@
             SkString setSat, setLum;
             add_sat_function(fsBuilder, &setSat);
             add_lum_function(fsBuilder, &setLum);
-            fsBuilder->codeAppendf("vec4 dstSrcAlpha = %s * %s.a;",
+            fsBuilder->codeAppendf("float4 dstSrcAlpha = %s * %s.a;",
                                    dstColor, srcColor);
             fsBuilder->codeAppendf("%s.rgb = %s(%s(dstSrcAlpha.rgb, %s.rgb * %s.a),"
                                    "dstSrcAlpha.a, dstSrcAlpha.rgb);",
@@ -340,7 +340,7 @@
             //  SetLum(S * Da, Sa* Da, D * Sa) + (1 - Sa) * D + (1 - Da) * S
             SkString setLum;
             add_lum_function(fsBuilder, &setLum);
-            fsBuilder->codeAppendf("vec4 srcDstAlpha = %s * %s.a;",
+            fsBuilder->codeAppendf("float4 srcDstAlpha = %s * %s.a;",
                                    srcColor, dstColor);
             fsBuilder->codeAppendf("%s.rgb = %s(srcDstAlpha.rgb, srcDstAlpha.a, %s.rgb * %s.a);",
                                    outputColor, setLum.c_str(), dstColor, srcColor);
@@ -352,7 +352,7 @@
             //  SetLum(D * Sa, Sa* Da, S * Da) + (1 - Sa) * D + (1 - Da) * S
             SkString setLum;
             add_lum_function(fsBuilder, &setLum);
-            fsBuilder->codeAppendf("vec4 srcDstAlpha = %s * %s.a;",
+            fsBuilder->codeAppendf("float4 srcDstAlpha = %s * %s.a;",
                                    srcColor, dstColor);
             fsBuilder->codeAppendf("%s.rgb = %s(%s.rgb * %s.a, srcDstAlpha.a, srcDstAlpha.rgb);",
                                    outputColor, setLum.c_str(), dstColor, srcColor);
@@ -387,13 +387,13 @@
                 fsBuilder->codeAppendf(" * %s", srcColorName);
                 break;
             case SkBlendModeCoeff::kISC:
-                fsBuilder->codeAppendf(" * (vec4(1.0) - %s)", srcColorName);
+                fsBuilder->codeAppendf(" * (float4(1.0) - %s)", srcColorName);
                 break;
             case SkBlendModeCoeff::kDC:
                 fsBuilder->codeAppendf(" * %s", dstColorName);
                 break;
             case SkBlendModeCoeff::kIDC:
-                fsBuilder->codeAppendf(" * (vec4(1.0) - %s)", dstColorName);
+                fsBuilder->codeAppendf(" * (float4(1.0) - %s)", dstColorName);
                 break;
             case SkBlendModeCoeff::kSA:
                 fsBuilder->codeAppendf(" * %s.a", srcColorName);
@@ -434,7 +434,7 @@
                                                 false);
         // append dst blend
         if(!append_porterduff_term(fsBuilder, dstCoeff, dstColor, srcColor, dstColor, didAppend)) {
-            fsBuilder->codeAppend("vec4(0, 0, 0, 0)");
+            fsBuilder->codeAppend("float4(0, 0, 0, 0)");
         }
         if (clamp) {
             fsBuilder->codeAppend(", 0, 1);");
@@ -486,7 +486,7 @@
                                             false);
     // append dst blend
     if(!append_porterduff_term(fsBuilder, dstCoeff, dstColor, srcColor, dstColor, didAppend)) {
-        fsBuilder->codeAppend("vec4(0, 0, 0, 0)");
+        fsBuilder->codeAppend("float4(0, 0, 0, 0)");
     }
     fsBuilder->codeAppend(";");
 }
diff --git a/src/gpu/glsl/GrGLSLFragmentProcessor.cpp b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
index 006fe58..6f75c16 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
@@ -29,7 +29,7 @@
     SkASSERT(outputColor);
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     outputColor->append(fragBuilder->getMangleString());
-    fragBuilder->codeAppendf("vec4 %s;", outputColor->c_str());
+    fragBuilder->codeAppendf("float4 %s;", outputColor->c_str());
     this->internalEmitChild(childIndex, inputColor, outputColor->c_str(), args);
 }
 
diff --git a/src/gpu/glsl/GrGLSLFragmentProcessor.h b/src/gpu/glsl/GrGLSLFragmentProcessor.h
index 355d490..ed4b71f 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.h
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.h
@@ -86,9 +86,9 @@
         @param fp                The processor that generated this program stage.
         @param key               The key that was computed by GenKey() from the generating
                                  GrProcessor.
-        @param outputColor       A predefined vec4 in the FS in which the stage should place its
+        @param outputColor       A predefined float4 in the FS in which the stage should place its
                                  output color (or coverage).
-        @param inputColor        A vec4 that holds the input color to the stage in the FS. This may
+        @param inputColor        A float4 that holds the input color to the stage in the FS. This may
                                  be nullptr in which case the implied input is solid white (all
                                  ones). TODO: Better system for communicating optimization info
                                  (e.g. input color is solid white, trans black, known to be opaque,
@@ -152,7 +152,7 @@
     }
 
     inline void emitChild(int childIndex, SkString* outputColor, EmitArgs& parentArgs) {
-        this->emitChild(childIndex, "vec4(1.0)", outputColor, parentArgs);
+        this->emitChild(childIndex, "float4(1.0)", outputColor, parentArgs);
     }
 
     /** Will emit the code of a child proc in its own scope. Pass in the parent's EmitArgs and
@@ -167,7 +167,7 @@
                    EmitArgs& parentArgs);
 
     inline void emitChild(int childIndex, EmitArgs& args) {
-        this->emitChild(childIndex, "vec4(1.0)", args);
+        this->emitChild(childIndex, "float4(1.0)", args);
     }
 
     /** Variation that uses the parent's output color variable to hold the child's output.*/
diff --git a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
index 6c0528e..7f16136 100644
--- a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
@@ -119,7 +119,7 @@
 
     SkString coords2D;
     coords2D.printf("%s_ensure2D", coords.c_str());
-    this->codeAppendf("\tvec2 %s = %s.xy / %s.z;", coords2D.c_str(), coords.c_str(),
+    this->codeAppendf("\tfloat2 %s = %s.xy / %s.z;", coords2D.c_str(), coords.c_str(),
                       coords.c_str());
     return coords2D;
 }
@@ -199,7 +199,7 @@
             fOutputs[fCustomColorOutputIndex].setTypeModifier(GrShaderVar::kInOut_TypeModifier);
             fbFetchColorName = DeclaredColorOutputName();
             // Set the dstColor to an intermediate variable so we don't override it with the output
-            this->codeAppendf("vec4 %s = %s;", kDstColorName, fbFetchColorName);
+            this->codeAppendf("float4 %s = %s;", kDstColorName, fbFetchColorName);
         } else {
             return fbFetchColorName;
         }
@@ -305,9 +305,9 @@
     SkSTArray<16, SkPoint, true> offsets;
     offsets.push_back_n(specs.fEffectiveSampleCnt);
     m.mapPoints(offsets.begin(), specs.fSampleLocations, specs.fEffectiveSampleCnt);
-    this->definitions().appendf("const highp vec2 %s[] = vec2[](", name);
+    this->definitions().appendf("const highp float2 %s[] = float2[](", name);
     for (int i = 0; i < specs.fEffectiveSampleCnt; ++i) {
-        this->definitions().appendf("vec2(%f, %f)", offsets[i].x(), offsets[i].y());
+        this->definitions().appendf("float2(%f, %f)", offsets[i].x(), offsets[i].y());
         this->definitions().append(i + 1 != specs.fEffectiveSampleCnt ? ", " : ");\n");
     }
 }
diff --git a/src/gpu/glsl/GrGLSLGeometryProcessor.cpp b/src/gpu/glsl/GrGLSLGeometryProcessor.cpp
index 9dd1cba..3ab5b68 100644
--- a/src/gpu/glsl/GrGLSLGeometryProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLGeometryProcessor.cpp
@@ -62,9 +62,9 @@
         handler->specifyCoordsForCurrCoordTransform(SkString(v.fsIn()), varyingType);
 
         if (kVec2f_GrSLType == varyingType) {
-            vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", v.vsOut(), uniName, localCoords);
+            vb->codeAppendf("%s = (%s * float3(%s, 1)).xy;", v.vsOut(), uniName, localCoords);
         } else {
-            vb->codeAppendf("%s = %s * vec3(%s, 1);", v.vsOut(), uniName, localCoords);
+            vb->codeAppendf("%s = %s * float3(%s, 1);", v.vsOut(), uniName, localCoords);
         }
         ++i;
     }
@@ -89,7 +89,7 @@
                                             GrGPArgs* gpArgs,
                                             const char* posName) {
     gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
-    vertBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), posName);
+    vertBuilder->codeAppendf("float2 %s = %s;", gpArgs->fPositionVar.c_str(), posName);
 }
 
 void GrGLSLGeometryProcessor::setupPosition(GrGLSLVertexBuilder* vertBuilder,
@@ -100,7 +100,7 @@
                                             UniformHandle* viewMatrixUniform) {
     if (mat.isIdentity()) {
         gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
-        vertBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), posName);
+        vertBuilder->codeAppendf("float2 %s = %s;", gpArgs->fPositionVar.c_str(), posName);
     } else {
         const char* viewMatrixName;
         *viewMatrixUniform = uniformHandler->addUniform(kVertex_GrShaderFlag,
@@ -109,11 +109,11 @@
                                                         &viewMatrixName);
         if (!mat.hasPerspective()) {
             gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
-            vertBuilder->codeAppendf("vec2 %s = (%s * vec3(%s, 1)).xy;",
+            vertBuilder->codeAppendf("float2 %s = (%s * float3(%s, 1)).xy;",
                                      gpArgs->fPositionVar.c_str(), viewMatrixName, posName);
         } else {
             gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3");
-            vertBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);",
+            vertBuilder->codeAppendf("float3 %s = %s * float3(%s, 1);",
                                      gpArgs->fPositionVar.c_str(), viewMatrixName, posName);
         }
     }
diff --git a/src/gpu/glsl/GrGLSLGeometryProcessor.h b/src/gpu/glsl/GrGLSLGeometryProcessor.h
index 6777620..10a4aa8 100644
--- a/src/gpu/glsl/GrGLSLGeometryProcessor.h
+++ b/src/gpu/glsl/GrGLSLGeometryProcessor.h
@@ -50,7 +50,7 @@
 
     struct GrGPArgs {
         // The variable used by a GP to store its position. It can be
-        // either a vec2 or a vec3 depending on the presence of perspective.
+        // either a float2 or a float3 depending on the presence of perspective.
         GrShaderVar fPositionVar;
     };
 
diff --git a/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp b/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp
index c2e0ab7..d9d17e5 100644
--- a/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp
@@ -49,7 +49,7 @@
                                                &stagedLocalVarName);
     fragBuilder->codeAppendf("%s = %s;", outputName, stagedLocalVarName);
     if (fragBuilder->getProgramBuilder()->shaderCaps()->mustObfuscateUniformColor()) {
-        fragBuilder->codeAppendf("%s = max(%s, vec4(0, 0, 0, 0));", outputName, outputName);
+        fragBuilder->codeAppendf("%s = max(%s, float4(0, 0, 0, 0));", outputName, outputName);
     }
 }
 
diff --git a/src/gpu/glsl/GrGLSLProgramBuilder.cpp b/src/gpu/glsl/GrGLSLProgramBuilder.cpp
index 5c78c07..a3c20c3 100644
--- a/src/gpu/glsl/GrGLSLProgramBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLProgramBuilder.cpp
@@ -239,8 +239,8 @@
                                        this->uniformHandler(),
                                        this->shaderCaps(),
                                        xp,
-                                       colorIn.size() ? colorIn.c_str() : "vec4(1)",
-                                       coverageIn.size() ? coverageIn.c_str() : "vec4(1)",
+                                       colorIn.size() ? colorIn.c_str() : "float4(1)",
+                                       coverageIn.size() ? coverageIn.c_str() : "float4(1)",
                                        fFS.getPrimaryColorOutputName(),
                                        fFS.getSecondaryColorOutputName(),
                                        dstTextureSamplerHandle,
@@ -455,7 +455,7 @@
     } else {
         this->nameVariable(&outName, '\0', baseName);
     }
-    fFS.codeAppendf("vec4 %s;", outName.c_str());
+    fFS.codeAppendf("float4 %s;", outName.c_str());
     *output = outName;
 }
 
diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.cpp b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
index 542cee6..8f7d23d 100644
--- a/src/gpu/glsl/GrGLSLShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
@@ -128,7 +128,7 @@
     SkString functionBody;
     // Gamut xform, clamp to destination gamut. We only support/have premultiplied textures, so we
     // always just clamp to alpha.
-    functionBody.append("\tcolor.rgb = clamp((xform * vec4(color.rgb, 1.0)).rgb, 0.0, color.a);\n");
+    functionBody.append("\tcolor.rgb = clamp((xform * float4(color.rgb, 1.0)).rgb, 0.0, color.a);\n");
     functionBody.append("\treturn color;");
     SkString colorGamutXformFuncName;
     this->emitFunction(kVec4f_GrSLType,
diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.h b/src/gpu/glsl/GrGLSLShaderBuilder.h
index 16e5b86..4906c03 100644
--- a/src/gpu/glsl/GrGLSLShaderBuilder.h
+++ b/src/gpu/glsl/GrGLSLShaderBuilder.h
@@ -47,8 +47,8 @@
 
 
     /** Does the work of appendTextureLookup and modulates the result by modulation. The result is
-        always a vec4. modulation and the swizzle specified by SamplerHandle must both be
-        vec4 or float. If modulation is "" or nullptr it this function acts as though
+        always a float4. modulation and the swizzle specified by SamplerHandle must both be
+        float4 or float. If modulation is "" or nullptr it this function acts as though
         appendTextureLookup were called. */
     void appendTextureLookupAndModulate(const char* modulation,
                                         SamplerHandle,
diff --git a/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp b/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp
index 627b11d..e06ee2d 100644
--- a/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp
@@ -20,23 +20,23 @@
     if (this->getProgramBuilder()->desc()->header().fSnapVerticesToPixelCenters) {
         if (kVec3f_GrSLType == posVar.getType()) {
             const char* p = posVar.c_str();
-            this->codeAppendf("{vec2 _posTmp = vec2(%s.x/%s.z, %s.y/%s.z);", p, p, p, p);
+            this->codeAppendf("{float2 _posTmp = float2(%s.x/%s.z, %s.y/%s.z);", p, p, p, p);
         } else {
             SkASSERT(kVec2f_GrSLType == posVar.getType());
-            this->codeAppendf("{vec2 _posTmp = %s;", posVar.c_str());
+            this->codeAppendf("{float2 _posTmp = %s;", posVar.c_str());
         }
-        this->codeAppendf("_posTmp = floor(_posTmp) + vec2(0.5, 0.5);"
-                          "gl_Position = vec4(_posTmp.x * %s.x + %s.y,"
-                                             "_posTmp.y * %s.z + %s.w, 0, 1);}",
+        this->codeAppendf("_posTmp = floor(_posTmp) + float2(0.5, 0.5);"
+                          "gl_Position = float4(_posTmp.x * %s.x + %s.y,"
+                                               "_posTmp.y * %s.z + %s.w, 0, 1);}",
                           rtAdjustName, rtAdjustName, rtAdjustName, rtAdjustName);
     } else if (kVec3f_GrSLType == posVar.getType()) {
-        this->codeAppendf("gl_Position = vec4(dot(%s.xz, %s.xy), dot(%s.yz, %s.zw), 0, %s.z);",
+        this->codeAppendf("gl_Position = float4(dot(%s.xz, %s.xy), dot(%s.yz, %s.zw), 0, %s.z);",
                           posVar.c_str(), rtAdjustName,
                           posVar.c_str(), rtAdjustName,
                           posVar.c_str());
     } else {
         SkASSERT(kVec2f_GrSLType == posVar.getType());
-        this->codeAppendf("gl_Position = vec4(%s.x * %s.x + %s.y, %s.y * %s.z + %s.w, 0, 1);",
+        this->codeAppendf("gl_Position = float4(%s.x * %s.x + %s.y, %s.y * %s.z + %s.w, 0, 1);",
                           posVar.c_str(), rtAdjustName, rtAdjustName,
                           posVar.c_str(), rtAdjustName, rtAdjustName);
     }
diff --git a/src/gpu/glsl/GrGLSLXferProcessor.cpp b/src/gpu/glsl/GrGLSLXferProcessor.cpp
index 5af0f05..6c2c460 100644
--- a/src/gpu/glsl/GrGLSLXferProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLXferProcessor.cpp
@@ -52,7 +52,7 @@
             // The discard here also helps for batching text draws together which need to read from
             // a dst copy for blends. Though this only helps the case where the outer bounding boxes
             // of each letter overlap and not two actually parts of the text.
-            fragBuilder->codeAppendf("if (all(lessThanEqual(%s.rgb, vec3(0)))) {"
+            fragBuilder->codeAppendf("if (all(lessThanEqual(%s.rgb, float3(0)))) {"
                                      "    discard;"
                                      "}", args.fInputCoverage);
         }
@@ -72,14 +72,14 @@
                                                   &dstCoordScaleName);
 
         fragBuilder->codeAppend("// Read color from copy of the destination.\n");
-        fragBuilder->codeAppendf("vec2 _dstTexCoord = (sk_FragCoord.xy - %s) * %s;",
+        fragBuilder->codeAppendf("float2 _dstTexCoord = (sk_FragCoord.xy - %s) * %s;",
                                  dstTopLeftName, dstCoordScaleName);
 
         if (flipY) {
             fragBuilder->codeAppend("_dstTexCoord.y = 1.0 - _dstTexCoord.y;");
         }
 
-        fragBuilder->codeAppendf("vec4 %s = ", dstColor);
+        fragBuilder->codeAppendf("float4 %s = ", dstColor);
         fragBuilder->appendTextureLookup(args.fDstTextureSamplerHandle, "_dstTexCoord",
                                          kVec2f_GrSLType);
         fragBuilder->codeAppend(";");
@@ -91,7 +91,7 @@
     if (!needsLocalOutColor) {
         outColor = args.fOutputPrimary;
     } else {
-        fragBuilder->codeAppendf("vec4 %s;", outColor);
+        fragBuilder->codeAppendf("float4 %s;", outColor);
     }
 
     this->emitBlendCodeForDstRead(fragBuilder,
@@ -139,7 +139,7 @@
             fragBuilder->codeAppendf("%s *= %s;", outColor, srcCoverage);
             fragBuilder->codeAppendf("%s = %s;", outColorSecondary, srcCoverage);
         } else {
-            fragBuilder->codeAppendf("%s = vec4(1.0);", outColorSecondary);
+            fragBuilder->codeAppendf("%s = float4(1.0);", outColorSecondary);
         }
     } else if (srcCoverage) {
         if (proc.isLCD()) {
@@ -150,7 +150,7 @@
             fragBuilder->codeAppendf("float lerpGreen = mix(%s.a, %s.a, %s.b);",
                                      dstColor, outColor, srcCoverage);
         }
-        fragBuilder->codeAppendf("%s = %s * %s + (vec4(1.0) - %s) * %s;",
+        fragBuilder->codeAppendf("%s = %s * %s + (float4(1.0) - %s) * %s;",
                                  outColor, srcCoverage, outColor, srcCoverage, dstColor);
         if (proc.isLCD()) {
             fragBuilder->codeAppendf("%s.a = max(max(lerpRed, lerpBlue), lerpGreen);", outColor);
diff --git a/src/gpu/instanced/InstanceProcessor.cpp b/src/gpu/instanced/InstanceProcessor.cpp
index 39c1cf2..28095da 100644
--- a/src/gpu/instanced/InstanceProcessor.cpp
+++ b/src/gpu/instanced/InstanceProcessor.cpp
@@ -232,11 +232,11 @@
     }
 
     if (!ip.opInfo().fHasPerspective) {
-        v->codeAppendf("mat2x3 shapeMatrix = mat2x3(%s, %s);",
+        v->codeAppendf("float2x3 shapeMatrix = float2x3(%s, %s);",
                        inputs.attr(Attrib::kShapeMatrixX), inputs.attr(Attrib::kShapeMatrixY));
     } else {
         v->defineConstantf("int", "PERSPECTIVE_FLAG", "0x%x", kPerspective_InfoFlag);
-        v->codeAppendf("mat3 shapeMatrix = mat3(%s, %s, vec3(0, 0, 1));",
+        v->codeAppendf("float3x3 shapeMatrix = float3x3(%s, %s, float3(0, 0, 1));",
                        inputs.attr(Attrib::kShapeMatrixX), inputs.attr(Attrib::kShapeMatrixY));
         v->codeAppendf("if (0 != (%s & PERSPECTIVE_FLAG)) {",
                        inputs.attr(Attrib::kInstanceInfo));
@@ -303,16 +303,16 @@
                            inputs.attr(Attrib::kInstanceInfo));
         }
         // Here we take advantage of the fact that outerRect == localRect in recordDRRect.
-        v->codeAppendf("vec4 outer = %s;", inputs.attr(Attrib::kLocalRect));
-        v->codeAppend ("vec4 inner = ");
+        v->codeAppendf("float4 outer = %s;", inputs.attr(Attrib::kLocalRect));
+        v->codeAppend ("float4 inner = ");
         inputs.fetchNextParam();
         v->codeAppend (";");
         // outer2Inner is a transform from shape coords to inner shape coords:
         // e.g. innerShapeCoords = shapeCoords * outer2Inner.xy + outer2Inner.zw
-        v->codeAppend ("vec4 outer2Inner = vec4(outer.zw - outer.xy, "
+        v->codeAppend ("float4 outer2Inner = float4(outer.zw - outer.xy, "
                                                "outer.xy + outer.zw - inner.xy - inner.zw) / "
                                                "(inner.zw - inner.xy).xyxy;");
-        v->codeAppendf("vec2 innerShapeCoords = %s * outer2Inner.xy + outer2Inner.zw;",
+        v->codeAppendf("float2 innerShapeCoords = %s * outer2Inner.xy + outer2Inner.zw;",
                        backend->outShapeCoords());
 
         backend->initInnerShape(varyingHandler, v);
@@ -372,8 +372,8 @@
     const char* localCoords = nullptr;
     if (ip.opInfo().fUsesLocalCoords) {
         localCoords = "localCoords";
-        v->codeAppendf("vec2 t = 0.5 * (%s + vec2(1));", backend->outShapeCoords());
-        v->codeAppendf("vec2 localCoords = (1.0 - t) * %s.xy + t * %s.zw;",
+        v->codeAppendf("float2 t = 0.5 * (%s + float2(1));", backend->outShapeCoords());
+        v->codeAppendf("float2 localCoords = (1.0 - t) * %s.xy + t * %s.zw;",
                        inputs.attr(Attrib::kLocalRect), inputs.attr(Attrib::kLocalRect));
     }
     if (ip.opInfo().fHasLocalMatrix && ip.opInfo().fHasParams) {
@@ -383,20 +383,20 @@
         if (!ip.opInfo().fUsesLocalCoords) {
             inputs.skipParams(2);
         } else {
-            v->codeAppendf(    "mat2x3 localMatrix;");
+            v->codeAppendf(    "float2x3 localMatrix;");
             v->codeAppend (    "localMatrix[0] = ");
             inputs.fetchNextParam(kVec3f_GrSLType);
             v->codeAppend (    ";");
             v->codeAppend (    "localMatrix[1] = ");
             inputs.fetchNextParam(kVec3f_GrSLType);
             v->codeAppend (    ";");
-            v->codeAppend (    "localCoords = (vec3(localCoords, 1) * localMatrix).xy;");
+            v->codeAppend (    "localCoords = (float3(localCoords, 1) * localMatrix).xy;");
         }
         v->codeAppend("}");
     }
 
     GrSLType positionType = ip.opInfo().fHasPerspective ? kVec3f_GrSLType : kVec2f_GrSLType;
-    v->codeAppendf("%s deviceCoords = vec3(%s, 1) * shapeMatrix;",
+    v->codeAppendf("%s deviceCoords = float3(%s, 1) * shapeMatrix;",
                    GrGLSLTypeString(positionType), backend->outShapeCoords());
     gpArgs->fPositionVar.set(positionType, "deviceCoords");
 
@@ -409,7 +409,7 @@
 void GLSLInstanceProcessor::Backend::init(GrGLSLVaryingHandler* varyingHandler,
                                           GrGLSLVertexBuilder* v) {
     if (fModifiedShapeCoords) {
-        v->codeAppendf("vec2 %s = %s;", fModifiedShapeCoords, fInputs.attr(Attrib::kShapeCoords));
+        v->codeAppendf("float2 %s = %s;", fModifiedShapeCoords, fInputs.attr(Attrib::kShapeCoords));
     }
 
     this->onInit(varyingHandler, v);
@@ -421,11 +421,11 @@
 }
 
 void GLSLInstanceProcessor::Backend::setupRRect(GrGLSLVertexBuilder* v, int* usedShapeDefinitions) {
-    v->codeAppendf("uvec2 corner = uvec2(%s & 1, (%s >> 1) & 1);",
+    v->codeAppendf("uint2 corner = uint2(%s & 1, (%s >> 1) & 1);",
                    fInputs.attr(Attrib::kVertexAttrs), fInputs.attr(Attrib::kVertexAttrs));
-    v->codeAppend ("vec2 cornerSign = vec2(corner) * 2.0 - 1.0;");
-    v->codeAppendf("vec2 radii%s;", fNeedsNeighborRadii ? ", neighborRadii" : "");
-    v->codeAppend ("mat2 p = ");
+    v->codeAppend ("float2 cornerSign = float2(corner) * 2.0 - 1.0;");
+    v->codeAppendf("float2 radii%s;", fNeedsNeighborRadii ? ", neighborRadii" : "");
+    v->codeAppend ("float2x2 p = ");
     fInputs.fetchNextParam(kMat22f_GrSLType);
     v->codeAppend (";");
     uint8_t types = fOpInfo.fShapeTypes & kRRect_ShapesMask;
@@ -467,11 +467,11 @@
     this->adjustRRectVertices(v);
 
     if (fArcCoords.vsOut()) {
-        v->codeAppendf("%s = (cornerSign * %s + radii - vec2(1)) / radii;",
+        v->codeAppendf("%s = (cornerSign * %s + radii - float2(1)) / radii;",
                        fArcCoords.vsOut(), fModifiedShapeCoords);
     }
     if (fTriangleIsArc.vsOut()) {
-        v->codeAppendf("%s = int(all(equal(vec2(1), abs(%s))));",
+        v->codeAppendf("%s = int(all(equal(float2(1), abs(%s))));",
                        fTriangleIsArc.vsOut(), fInputs.attr(Attrib::kShapeCoords));
     }
 
@@ -486,9 +486,9 @@
 }
 
 void GLSLInstanceProcessor::Backend::setupNinePatchRadii(GrGLSLVertexBuilder* v) {
-    v->codeAppend("radii = vec2(p[0][corner.x], p[1][corner.y]);");
+    v->codeAppend("radii = float2(p[0][corner.x], p[1][corner.y]);");
     if (fNeedsNeighborRadii) {
-        v->codeAppend("neighborRadii = vec2(p[0][1 - corner.x], p[1][1 - corner.y]);");
+        v->codeAppend("neighborRadii = float2(p[0][1 - corner.x], p[1][1 - corner.y]);");
     }
 }
 
@@ -507,13 +507,13 @@
      *          x2       x4
      *
      */
-    v->codeAppend("mat2 p2 = ");
+    v->codeAppend("float2x2 p2 = ");
     fInputs.fetchNextParam(kMat22f_GrSLType);
     v->codeAppend(";");
-    v->codeAppend("radii = vec2(p[corner.x][corner.y], p2[corner.y][corner.x]);");
+    v->codeAppend("radii = float2(p[corner.x][corner.y], p2[corner.y][corner.x]);");
     if (fNeedsNeighborRadii) {
-        v->codeAppend("neighborRadii = vec2(p[1 - corner.x][corner.y], "
-                                           "p2[1 - corner.y][corner.x]);");
+        v->codeAppend("neighborRadii = float2(p[1 - corner.x][corner.y], "
+                                             "p2[1 - corner.y][corner.x]);");
     }
 }
 
@@ -540,10 +540,10 @@
 }
 
 void GLSLInstanceProcessor::Backend::setupInnerSimpleRRect(GrGLSLVertexBuilder* v) {
-    v->codeAppend("mat2 innerP = ");
+    v->codeAppend("float2x2 innerP = ");
     fInputs.fetchNextParam(kMat22f_GrSLType);
     v->codeAppend(";");
-    v->codeAppend("vec2 innerRadii = innerP[0] * 2.0 / innerP[1];");
+    v->codeAppend("float2 innerRadii = innerP[0] * 2.0 / innerP[1];");
     this->onSetupInnerSimpleRRect(v);
 }
 
@@ -554,7 +554,7 @@
                      fModifiesColor ? outColor : nullptr);
     if (outCoverage && !fModifiesCoverage) {
         // Even though the subclass doesn't use coverage, we are expected to assign some value.
-        f->codeAppendf("%s = vec4(1);", outCoverage);
+        f->codeAppendf("%s = float4(1);", outCoverage);
     }
     if (!fModifiesColor) {
         // The subclass didn't assign a value to the output color.
@@ -621,18 +621,18 @@
 
 void GLSLInstanceProcessor::BackendNonAA::setupInnerRect(GrGLSLVertexBuilder* v) {
     if (fInnerRRect.vsOut()) {
-        v->codeAppendf("%s = vec4(1);", fInnerRRect.vsOut());
+        v->codeAppendf("%s = float4(1);", fInnerRRect.vsOut());
     }
 }
 
 void GLSLInstanceProcessor::BackendNonAA::setupInnerOval(GrGLSLVertexBuilder* v) {
     if (fInnerRRect.vsOut()) {
-        v->codeAppendf("%s = vec4(0, 0, 1, 1);", fInnerRRect.vsOut());
+        v->codeAppendf("%s = float4(0, 0, 1, 1);", fInnerRRect.vsOut());
     }
 }
 
 void GLSLInstanceProcessor::BackendNonAA::onSetupInnerSimpleRRect(GrGLSLVertexBuilder* v) {
-    v->codeAppendf("%s = vec4(1.0 - innerRadii, 1.0 / innerRadii);", fInnerRRect.vsOut());
+    v->codeAppendf("%s = float4(1.0 - innerRadii, 1.0 / innerRadii);", fInnerRRect.vsOut());
 }
 
 void GLSLInstanceProcessor::BackendNonAA::onEmitCode(GrGLSLVertexBuilder*,
@@ -646,8 +646,8 @@
         f->codeAppend ("lowp float covered = 1.0;");
         dropFragment = "covered = 0.0";
     } else if (fModifiesColor) {
-        f->codeAppendf("lowp vec4 color = %s;", fColor.fsIn());
-        dropFragment = "color = vec4(0)";
+        f->codeAppendf("lowp float4 color = %s;", fColor.fsIn());
+        dropFragment = "color = float4(0)";
     }
     if (fTriangleIsArc.fsIn()) {
         SkASSERT(dropFragment);
@@ -658,19 +658,19 @@
         SkASSERT(dropFragment);
         f->codeAppendf("// Inner shape.\n");
         if (kRect_ShapeFlag == fOpInfo.fInnerShapeTypes) {
-            f->codeAppendf("if (all(lessThanEqual(abs(%s), vec2(1)))) %s;",
+            f->codeAppendf("if (all(lessThanEqual(abs(%s), float2(1)))) %s;",
                            fInnerShapeCoords.fsIn(), dropFragment);
         } else if (kOval_ShapeFlag == fOpInfo.fInnerShapeTypes) {
             f->codeAppendf("if ((dot(%s, %s) <= 1.0)) %s;",
                            fInnerShapeCoords.fsIn(), fInnerShapeCoords.fsIn(), dropFragment);
         } else {
-            f->codeAppendf("if (all(lessThan(abs(%s), vec2(1)))) {", fInnerShapeCoords.fsIn());
-            f->codeAppendf(    "vec2 distanceToArcEdge = abs(%s) - %s.xy;",
+            f->codeAppendf("if (all(lessThan(abs(%s), float2(1)))) {", fInnerShapeCoords.fsIn());
+            f->codeAppendf(    "float2 distanceToArcEdge = abs(%s) - %s.xy;",
                                fInnerShapeCoords.fsIn(), fInnerRRect.fsIn());
-            f->codeAppend (    "if (any(lessThan(distanceToArcEdge, vec2(0)))) {");
+            f->codeAppend (    "if (any(lessThan(distanceToArcEdge, float2(0)))) {");
             f->codeAppendf(        "%s;", dropFragment);
             f->codeAppend (    "} else {");
-            f->codeAppendf(        "vec2 rrectCoords = distanceToArcEdge * %s.zw;",
+            f->codeAppendf(        "float2 rrectCoords = distanceToArcEdge * %s.zw;",
                                    fInnerRRect.fsIn());
             f->codeAppend (        "if (dot(rrectCoords, rrectCoords) <= 1.0) {");
             f->codeAppendf(            "%s;", dropFragment);
@@ -680,7 +680,7 @@
         }
     }
     if (fModifiesCoverage) {
-        f->codeAppendf("%s = vec4(covered);", outCoverage);
+        f->codeAppendf("%s = float4(covered);", outCoverage);
     } else if (fModifiesColor) {
         f->codeAppendf("%s = color;", outColor);
     }
@@ -747,10 +747,10 @@
 
 void GLSLInstanceProcessor::BackendCoverage::onInit(GrGLSLVaryingHandler* varyingHandler,
                                                     GrGLSLVertexBuilder* v) {
-    v->codeAppend ("mat2 shapeTransposeMatrix = transpose(mat2(shapeMatrix));");
-    v->codeAppend ("vec2 shapeHalfSize = vec2(length(shapeTransposeMatrix[0]), "
+    v->codeAppend ("float2x2 shapeTransposeMatrix = transpose(float2x2(shapeMatrix));");
+    v->codeAppend ("float2 shapeHalfSize = float2(length(shapeTransposeMatrix[0]), "
                                              "length(shapeTransposeMatrix[1]));");
-    v->codeAppend ("vec2 bloat = 0.5 / shapeHalfSize;");
+    v->codeAppend ("float2 bloat = 0.5 / shapeHalfSize;");
     v->codeAppendf("bloatedShapeCoords = %s * (1.0 + bloat);", fInputs.attr(Attrib::kShapeCoords));
 
     if (kOval_ShapeFlag != fOpInfo.fShapeTypes) {
@@ -779,13 +779,13 @@
 
 void GLSLInstanceProcessor::BackendCoverage::setupRect(GrGLSLVertexBuilder* v) {
     // Make the border one pixel wide. Inner vs outer is indicated by coordAttrs.
-    v->codeAppendf("vec2 rectBloat = (%s != 0) ? bloat : -bloat;",
+    v->codeAppendf("float2 rectBloat = (%s != 0) ? bloat : -bloat;",
                    fInputs.attr(Attrib::kVertexAttrs));
     // Here we use the absolute value, because when the rect is thinner than a pixel, this makes it
     // mark the spot where pixel center is within half a pixel of the *opposite* edge. This,
     // combined with the "maxCoverage" logic below gives us mathematically correct coverage even for
     // subpixel rectangles.
-    v->codeAppendf("bloatedShapeCoords = %s * abs(vec2(1.0 + rectBloat));",
+    v->codeAppendf("bloatedShapeCoords = %s * abs(float2(1.0 + rectBloat));",
                    fInputs.attr(Attrib::kShapeCoords));
 
     // Determine coverage at the vertex. Coverage naturally ramps from 0 to 1 unless the rect is
@@ -802,9 +802,9 @@
 
 void GLSLInstanceProcessor::BackendCoverage::setupOval(GrGLSLVertexBuilder* v) {
     // Offset the inner and outer octagons by one pixel. Inner vs outer is indicated by coordAttrs.
-    v->codeAppendf("vec2 ovalBloat = (%s != 0) ? bloat : -bloat;",
+    v->codeAppendf("float2 ovalBloat = (%s != 0) ? bloat : -bloat;",
                    fInputs.attr(Attrib::kVertexAttrs));
-    v->codeAppendf("bloatedShapeCoords = %s * max(vec2(1.0 + ovalBloat), vec2(0));",
+    v->codeAppendf("bloatedShapeCoords = %s * max(float2(1.0 + ovalBloat), float2(0));",
                    fInputs.attr(Attrib::kShapeCoords));
     v->codeAppendf("%s = bloatedShapeCoords * shapeHalfSize;", fEllipseCoords.vsOut());
     if (fEllipseName.vsOut()) {
@@ -827,8 +827,8 @@
     // We try to let the AA borders line up with the arc edges on their particular side, but we
     // can't allow them to get closer than one half pixel to the edge or they might overlap with
     // their neighboring border.
-    v->codeAppend("vec2 innerEdge = max(1.0 - bloat, vec2(0));");
-    v->codeAppend ("vec2 borderEdge = cornerSign * clamp(1.0 - radii, -innerEdge, innerEdge);");
+    v->codeAppend("float2 innerEdge = max(1.0 - bloat, float2(0));");
+    v->codeAppend ("float2 borderEdge = cornerSign * clamp(1.0 - radii, -innerEdge, innerEdge);");
     // 0.5 is a special value that indicates this vertex is an arc edge.
     v->codeAppendf("if (abs(%s.x) == 0.5)"
                        "bloatedShapeCoords.x = borderEdge.x;", fInputs.attr(Attrib::kShapeCoords));
@@ -851,7 +851,7 @@
     // interior edge of the border will necessarily clamp, and we need to match the AA behavior of
     // the arc segments (i.e. distance from bloated edge only; ignoring the fact that the pixel
     // actully has less coverage because it's not completely inside the opposite edge.)
-    v->codeAppend("vec2 d = shapeHalfSize + 0.5 - abs(bloatedShapeCoords) * shapeHalfSize;");
+    v->codeAppend("float2 d = shapeHalfSize + 0.5 - abs(bloatedShapeCoords) * shapeHalfSize;");
     v->codeAppend("rectCoverage = min(d.x, d.y);");
 
     SkASSERT(!fShapeIsCircle);
@@ -859,8 +859,8 @@
     // smooth transition from flat edge to arc, we don't allow the radii to be smaller than one half
     // pixel. (We don't worry about the transition on the opposite side when a radius is so large
     // that the border clamped on that side.)
-    v->codeAppendf("vec2 clampedRadii = max(radii, bloat);");
-    v->codeAppendf("%s = (cornerSign * bloatedShapeCoords + clampedRadii - vec2(1)) * "
+    v->codeAppendf("float2 clampedRadii = max(radii, bloat);");
+    v->codeAppendf("%s = (cornerSign * bloatedShapeCoords + clampedRadii - float2(1)) * "
                         "shapeHalfSize;", fEllipseCoords.vsOut());
     v->codeAppendf("%s = 1.0 / (clampedRadii * clampedRadii * shapeHalfSize * shapeHalfSize);",
                    fEllipseName.vsOut());
@@ -868,7 +868,7 @@
 
 void GLSLInstanceProcessor::BackendCoverage::onInitInnerShape(GrGLSLVaryingHandler* varyingHandler,
                                                               GrGLSLVertexBuilder* v) {
-    v->codeAppend("vec2 innerShapeHalfSize = shapeHalfSize / outer2Inner.xy;");
+    v->codeAppend("float2 innerShapeHalfSize = shapeHalfSize / outer2Inner.xy;");
 
     if (kOval_ShapeFlag == fOpInfo.fInnerShapeTypes) {
         varyingHandler->addVarying("innerEllipseCoords", &fInnerEllipseCoords,
@@ -906,7 +906,7 @@
         v->codeAppendf("%s = innerShapeCoords * innerShapeHalfSize;", fInnerEllipseCoords.vsOut());
     }
     if (fInnerRRect.vsOut()) {
-        v->codeAppendf("%s = vec4(0, 0, innerShapeHalfSize);", fInnerRRect.vsOut());
+        v->codeAppendf("%s = float4(0, 0, innerShapeHalfSize);", fInnerRRect.vsOut());
     }
 }
 
@@ -916,7 +916,7 @@
     v->codeAppendf("%s = 1.0 / (innerRadii * innerRadii * innerShapeHalfSize * "
                                "innerShapeHalfSize);",
                    fInnerEllipseName.vsOut());
-    v->codeAppendf("%s = vec4(1.0 - innerRadii, innerShapeHalfSize);", fInnerRRect.vsOut());
+    v->codeAppendf("%s = float4(1.0 - innerRadii, innerShapeHalfSize);", fInnerRRect.vsOut());
 }
 
 void GLSLInstanceProcessor::BackendCoverage::onEmitCode(GrGLSLVertexBuilder* v,
@@ -974,12 +974,12 @@
                 this->emitInnerRect(f, innerCoverageDecl.c_str());
             } else {
                 f->codeAppendf("%s = 0.0;", innerCoverageDecl.c_str());
-                f->codeAppendf("mediump vec2 distanceToArcEdge = abs(%s) - %s.xy;",
+                f->codeAppendf("mediump float2 distanceToArcEdge = abs(%s) - %s.xy;",
                                fInnerShapeCoords.fsIn(), fInnerRRect.fsIn());
-                f->codeAppend ("if (any(lessThan(distanceToArcEdge, vec2(1e-5)))) {");
+                f->codeAppend ("if (any(lessThan(distanceToArcEdge, float2(1e-5)))) {");
                 this->emitInnerRect(f, "innerCoverage");
                 f->codeAppend ("} else {");
-                f->codeAppendf(    "mediump vec2 ellipseCoords = distanceToArcEdge * %s.zw;",
+                f->codeAppendf(    "mediump float2 ellipseCoords = distanceToArcEdge * %s.zw;",
                                    fInnerRRect.fsIn());
                 this->emitArc(f, "ellipseCoords", fInnerEllipseName.fsIn(),
                               false /*ellipseCoordsNeedClamp*/,
@@ -987,9 +987,9 @@
                 f->codeAppend ("}");
             }
         }
-        f->codeAppendf("%s = vec4(max(coverage - innerCoverage, 0.0));", outCoverage);
+        f->codeAppendf("%s = float4(max(coverage - innerCoverage, 0.0));", outCoverage);
     } else if (!fTweakAlphaForCoverage) {
-        f->codeAppendf("%s = vec4(coverage);", outCoverage);
+        f->codeAppendf("%s = float4(coverage);", outCoverage);
     }
 }
 
@@ -1029,16 +1029,16 @@
         //  - To restrict the arcs of rounded rects to their positive quadrants.
         //  - To avoid inversesqrt(0) in the ellipse formula.
         if (ellipseCoordsMayBeNegative) {
-            f->codeAppendf("mediump vec2 ellipseClampedCoords = max(abs(%s), vec2(1e-4));", 
+            f->codeAppendf("mediump float2 ellipseClampedCoords = max(abs(%s), float2(1e-4));",
                            ellipseCoords);
         } else {
-            f->codeAppendf("mediump vec2 ellipseClampedCoords = max(%s, vec2(1e-4));", 
+            f->codeAppendf("mediump float2 ellipseClampedCoords = max(%s, float2(1e-4));",
                            ellipseCoords);
         }
         ellipseCoords = "ellipseClampedCoords";
     }
     // ellipseCoords are in pixel space and ellipseName is 1 / rx^2, 1 / ry^2.
-    f->codeAppendf("highp vec2 Z = %s * %s;", ellipseCoords, ellipseName);
+    f->codeAppendf("highp float2 Z = %s * %s;", ellipseCoords, ellipseName);
     // implicit is the evaluation of (x/rx)^2 + (y/ry)^2 - 1.
     f->codeAppendf("highp float implicit = dot(Z, %s) - 1.0;", ellipseCoords);
     // gradDot is the squared length of the gradient of the implicit.
@@ -1049,7 +1049,7 @@
 
 void GLSLInstanceProcessor::BackendCoverage::emitInnerRect(GrGLSLPPFragmentBuilder* f,
                                                            const char* outCoverage) {
-    f->codeAppendf("lowp vec2 c = %s - abs(%s);",
+    f->codeAppendf("lowp float2 c = %s - abs(%s);",
                    fInnerShapeBloatedHalfSize.fsIn(), fDistanceToInnerEdge.fsIn());
     f->codeAppendf("%s = clamp(min(c.x, c.y), 0.0, 1.0);", outCoverage);
 }
@@ -1177,9 +1177,9 @@
         }
     }
     if (!fOpInfo.fHasPerspective) {
-        v->codeAppend("mat2 shapeInverseMatrix = inverse(mat2(shapeMatrix));");
-        v->codeAppend("vec2 fragShapeSpan = abs(vec4(shapeInverseMatrix).xz) + "
-                                           "abs(vec4(shapeInverseMatrix).yw);");
+        v->codeAppend("float2x2 shapeInverseMatrix = inverse(float2x2(shapeMatrix));");
+        v->codeAppend("float2 fragShapeSpan = abs(float4(shapeInverseMatrix).xz) + "
+                                           "abs(float4(shapeInverseMatrix).yw);");
     }
 }
 
@@ -1195,7 +1195,7 @@
     }
     if (fArcTest.vsOut()) {
         // Pick a value that is not > 0.
-        v->codeAppendf("%s = vec2(0);", fArcTest.vsOut());
+        v->codeAppendf("%s = float2(0);", fArcTest.vsOut());
     }
     if (fTriangleIsArc.vsOut()) {
         v->codeAppendf("%s = 0;", fTriangleIsArc.vsOut());
@@ -1208,8 +1208,8 @@
 void GLSLInstanceProcessor::BackendMultisample::setupOval(GrGLSLVertexBuilder* v) {
     v->codeAppendf("%s = abs(%s);", fArcCoords.vsOut(), this->outShapeCoords());
     if (fArcInverseMatrix.vsOut()) {
-        v->codeAppendf("vec2 s = sign(%s);", this->outShapeCoords());
-        v->codeAppendf("%s = shapeInverseMatrix * mat2(s.x, 0, 0 , s.y);",
+        v->codeAppendf("float2 s = sign(%s);", this->outShapeCoords());
+        v->codeAppendf("%s = shapeInverseMatrix * float2x2(s.x, 0, 0 , s.y);",
                        fArcInverseMatrix.vsOut());
     }
     if (fFragArcHalfSpan.vsOut()) {
@@ -1217,7 +1217,7 @@
     }
     if (fArcTest.vsOut()) {
         // Pick a value that is > 0.
-        v->codeAppendf("%s = vec2(1);", fArcTest.vsOut());
+        v->codeAppendf("%s = float2(1);", fArcTest.vsOut());
     }
     if (fTriangleIsArc.vsOut()) {
         if (!this->isMixedSampled()) {
@@ -1243,13 +1243,13 @@
         // For the mixed samples algorithm it's best to bloat the corner triangles a bit so that
         // more of the pixels that cross into the arc region are completely inside the shared edges.
         // We also snap to a regular rect if the radii shrink smaller than a pixel.
-        v->codeAppend ("vec2 midpt = 0.5 * (neighborRadii - radii);");
-        v->codeAppend ("vec2 cornerSize = any(lessThan(radii, fragShapeSpan)) ? "
-                           "vec2(0) : min(radii + 0.5 * fragShapeSpan, 1.0 - midpt);");
+        v->codeAppend ("float2 midpt = 0.5 * (neighborRadii - radii);");
+        v->codeAppend ("float2 cornerSize = any(lessThan(radii, fragShapeSpan)) ? "
+                           "float2(0) : min(radii + 0.5 * fragShapeSpan, 1.0 - midpt);");
     } else {
         // TODO: We could still bloat the corner triangle in the perspective case; we would just
         // need to find the screen-space derivative of shape coords at this particular point.
-        v->codeAppend ("vec2 cornerSize = any(lessThan(radii, vec2(1e-3))) ? vec2(0) : radii;");
+        v->codeAppend ("float2 cornerSize = any(lessThan(radii, float2(1e-3))) ? float2(0) : radii;");
     }
 
     v->codeAppendf("if (abs(%s.x) == 0.5)"
@@ -1271,12 +1271,12 @@
         v->codeAppendf("%s = 0.5 * fragShapeSpan;", fFragShapeHalfSpan.vsOut());
     }
     if (fArcInverseMatrix.vsOut()) {
-        v->codeAppend ("vec2 s = cornerSign / radii;");
-        v->codeAppendf("%s = shapeInverseMatrix * mat2(s.x, 0, 0, s.y);",
+        v->codeAppend ("float2 s = cornerSign / radii;");
+        v->codeAppendf("%s = shapeInverseMatrix * float2x2(s.x, 0, 0, s.y);",
                        fArcInverseMatrix.vsOut());
     }
     if (fFragArcHalfSpan.vsOut()) {
-        v->codeAppendf("%s = 0.5 * (abs(vec4(%s).xz) + abs(vec4(%s).yw));",
+        v->codeAppendf("%s = 0.5 * (abs(float4(%s).xz) + abs(float4(%s).yw));",
                        fFragArcHalfSpan.vsOut(), fArcInverseMatrix.vsOut(),
                        fArcInverseMatrix.vsOut());
     }
@@ -1285,8 +1285,8 @@
         // edges of a fan triangle to a point within that triangle. fArcTest is used to check if a
         // fragment is too close to either shared edge, in which case we point sample the shape as a
         // rect at that point in order to guarantee the mixed samples discard logic works correctly.
-        v->codeAppendf("%s = (cornerSize == vec2(0)) ? vec2(0) : "
-                       "cornerSign * %s * mat2(1, cornerSize.x - 1.0, cornerSize.y - 1.0, 1);",
+        v->codeAppendf("%s = (cornerSize == float2(0)) ? float2(0) : "
+                       "cornerSign * %s * float2x2(1, cornerSize.x - 1.0, cornerSize.y - 1.0, 1);",
                        fArcTest.vsOut(), fModifiedShapeCoords);
         if (!fOpInfo.fHasPerspective) {
             // Shift the point at which distances to edges are measured from the center of the pixel
@@ -1299,7 +1299,7 @@
     }
     if (fEarlyAccept.vsOut()) {
         SkASSERT(this->isMixedSampled());
-        v->codeAppendf("%s = all(equal(vec2(1), abs(%s))) ? 0 : SAMPLE_MASK_ALL;",
+        v->codeAppendf("%s = all(equal(float2(1), abs(%s))) ? 0 : SAMPLE_MASK_ALL;",
                        fEarlyAccept.vsOut(), fInputs.attr(Attrib::kShapeCoords));
     }
 }
@@ -1315,7 +1315,7 @@
     if (!fOpInfo.fHasPerspective) {
         varyingHandler->addFlatVarying("innerShapeInverseMatrix", &fInnerShapeInverseMatrix,
                                        kHigh_GrSLPrecision);
-        v->codeAppendf("%s = shapeInverseMatrix * mat2(outer2Inner.x, 0, 0, outer2Inner.y);",
+        v->codeAppendf("%s = shapeInverseMatrix * float2x2(outer2Inner.x, 0, 0, outer2Inner.y);",
                        fInnerShapeInverseMatrix.vsOut());
         varyingHandler->addFlatVarying("fragInnerShapeHalfSpan", &fFragInnerShapeHalfSpan,
                                        kHigh_GrSLPrecision);
@@ -1329,14 +1329,14 @@
         // The fragment shader will generalize every inner shape as a round rect. Since this one
         // is a rect, we simply emit bogus parameters for the round rect (negative radii) that
         // ensure the fragment shader always takes the "sample as rect" codepath.
-        v->codeAppendf("%s = vec4(2.0 * (inner.zw - inner.xy) / (outer.zw - outer.xy), vec2(0));",
+        v->codeAppendf("%s = float4(2.0 * (inner.zw - inner.xy) / (outer.zw - outer.xy), float2(0));",
                        fInnerRRect.vsOut());
     }
 }
 
 void GLSLInstanceProcessor::BackendMultisample::setupInnerOval(GrGLSLVertexBuilder* v) {
     if (fInnerRRect.vsOut()) {
-        v->codeAppendf("%s = vec4(0, 0, 1, 1);", fInnerRRect.vsOut());
+        v->codeAppendf("%s = float4(0, 0, 1, 1);", fInnerRRect.vsOut());
     }
 }
 
@@ -1345,9 +1345,9 @@
     if (fFragInnerShapeHalfSpan.vsOut()) {
         v->codeAppendf("innerRadii = max(innerRadii, 2e-1 * %s);", fFragInnerShapeHalfSpan.vsOut());
     } else {
-        v->codeAppend ("innerRadii = max(innerRadii, vec2(1e-4));");
+        v->codeAppend ("innerRadii = max(innerRadii, float2(1e-4));");
     }
-    v->codeAppendf("%s = vec4(1.0 - innerRadii, 1.0 / innerRadii);", fInnerRRect.vsOut());
+    v->codeAppendf("%s = float4(1.0 - innerRadii, 1.0 / innerRadii);", fInnerRRect.vsOut());
 }
 
 void GLSLInstanceProcessor::BackendMultisample::onEmitCode(GrGLSLVertexBuilder*,
@@ -1383,7 +1383,7 @@
     if (fOpInfo.fHasPerspective && fOpInfo.fInnerShapeTypes) {
         // This determines if the fragment should consider the inner shape in its sample mask.
         // We take the derivative early in case discards may occur before we get to the inner shape.
-        f->codeAppendf("highp vec2 fragInnerShapeApproxHalfSpan = 0.5 * fwidth(%s);",
+        f->codeAppendf("highp float2 fragInnerShapeApproxHalfSpan = 0.5 * fwidth(%s);",
                        fInnerShapeCoords.fsIn());
     }
 
@@ -1400,7 +1400,7 @@
         if (arcTest && fOpInfo.fHasPerspective) {
             // The non-perspective version accounts for fwidth() in the vertex shader.
             // We make sure to take the derivative here, before a neighbor pixel may early accept.
-            f->codeAppendf("highp vec2 arcTest = %s - 0.5 * fwidth(%s);",
+            f->codeAppendf("highp float2 arcTest = %s - 0.5 * fwidth(%s);",
                            fArcTest.fsIn(), fArcTest.fsIn());
             arcTest = "arcTest";
         }
@@ -1411,7 +1411,7 @@
         if (arcTest) {
             // At this point, if the sample mask is all set it means we are inside an arc triangle.
             f->codeAppendf("if (gl_SampleMaskIn[0] == SAMPLE_MASK_ALL || "
-                               "all(greaterThan(%s, vec2(0)))) {", arcTest);
+                               "all(greaterThan(%s, float2(0)))) {", arcTest);
             this->emitArc(f, arcCoords, false, clampArcCoords, opts);
             f->codeAppend ("} else {");
             this->emitRect(f, shapeCoords, opts);
@@ -1484,10 +1484,10 @@
     }
     f->codeAppend ("int rectMask = 0;");
     f->codeAppend ("for (int i = 0; i < SAMPLE_COUNT; i++) {");
-    f->codeAppend (    "highp vec2 pt = ");
+    f->codeAppend (    "highp float2 pt = ");
     this->interpolateAtSample(f, *coords.fVarying, "i", coords.fInverseMatrix);
     f->codeAppend (    ";");
-    f->codeAppend (    "if (all(lessThan(abs(pt), vec2(1)))) rectMask |= (1 << i);");
+    f->codeAppend (    "if (all(lessThan(abs(pt), float2(1)))) rectMask |= (1 << i);");
     f->codeAppend ("}");
     this->acceptCoverageMask(f, "rectMask", opts);
     if (coords.fFragHalfSpan) {
@@ -1503,7 +1503,7 @@
         SkString absArcCoords;
         absArcCoords.printf(coordsMayBeNegative ? "abs(%s)" : "%s", coords.fVarying->fsIn());
         if (clampCoords) {
-            f->codeAppendf("if (%s(max(%s + %s, vec2(0))) < 1.0) {",
+            f->codeAppendf("if (%s(max(%s + %s, float2(0))) < 1.0) {",
                            fSquareFun.c_str(), absArcCoords.c_str(), coords.fFragHalfSpan);
         } else {
             f->codeAppendf("if (%s(%s + %s) < 1.0) {",
@@ -1511,7 +1511,7 @@
         }
         // The entire pixel is inside the arc.
         this->acceptOrRejectWholeFragment(f, true, opts);
-        f->codeAppendf("} else if (%s(max(%s - %s, vec2(0))) >= 1.0) {",
+        f->codeAppendf("} else if (%s(max(%s - %s, float2(0))) >= 1.0) {",
                        fSquareFun.c_str(), absArcCoords.c_str(), coords.fFragHalfSpan);
         // The entire pixel is outside the arc.
         this->acceptOrRejectWholeFragment(f, false, opts);
@@ -1519,12 +1519,12 @@
     }
     f->codeAppend (    "int arcMask = 0;");
     f->codeAppend (    "for (int i = 0; i < SAMPLE_COUNT; i++) {");
-    f->codeAppend (        "highp vec2 pt = ");
+    f->codeAppend (        "highp float2 pt = ");
     this->interpolateAtSample(f, *coords.fVarying, "i", coords.fInverseMatrix);
     f->codeAppend (        ";");
     if (clampCoords) {
         SkASSERT(!coordsMayBeNegative);
-        f->codeAppend (    "pt = max(pt, vec2(0));");
+        f->codeAppend (    "pt = max(pt, float2(0));");
     }
     f->codeAppendf(        "if (%s(pt) < 1.0) arcMask |= (1 << i);", fSquareFun.c_str());
     f->codeAppend (    "}");
@@ -1538,31 +1538,31 @@
                                                                 const EmitShapeCoords& coords,
                                                                 const char* rrect,
                                                                 const EmitShapeOpts& opts) {
-    f->codeAppendf("highp vec2 distanceToArcEdge = abs(%s) - %s.xy;", coords.fVarying->fsIn(), 
+    f->codeAppendf("highp float2 distanceToArcEdge = abs(%s) - %s.xy;", coords.fVarying->fsIn(),
                    rrect);
-    f->codeAppend ("if (any(lessThan(distanceToArcEdge, vec2(0)))) {");
+    f->codeAppend ("if (any(lessThan(distanceToArcEdge, float2(0)))) {");
     this->emitRect(f, coords, opts);
     f->codeAppend ("} else {");
     if (coords.fInverseMatrix && coords.fFragHalfSpan) {
-        f->codeAppendf("highp vec2 rrectCoords = distanceToArcEdge * %s.zw;", rrect);
-        f->codeAppendf("highp vec2 fragRRectHalfSpan = %s * %s.zw;", coords.fFragHalfSpan, rrect);
+        f->codeAppendf("highp float2 rrectCoords = distanceToArcEdge * %s.zw;", rrect);
+        f->codeAppendf("highp float2 fragRRectHalfSpan = %s * %s.zw;", coords.fFragHalfSpan, rrect);
         f->codeAppendf("if (%s(rrectCoords + fragRRectHalfSpan) <= 1.0) {", fSquareFun.c_str());
         // The entire pixel is inside the round rect.
         this->acceptOrRejectWholeFragment(f, true, opts);
-        f->codeAppendf("} else if (%s(max(rrectCoords - fragRRectHalfSpan, vec2(0))) >= 1.0) {",
+        f->codeAppendf("} else if (%s(max(rrectCoords - fragRRectHalfSpan, float2(0))) >= 1.0) {",
                        fSquareFun.c_str());
         // The entire pixel is outside the round rect.
         this->acceptOrRejectWholeFragment(f, false, opts);
         f->codeAppend ("} else {");
-        f->codeAppendf(    "highp vec2 s = %s.zw * sign(%s);", rrect, coords.fVarying->fsIn());
-        f->codeAppendf(    "highp mat2 innerRRectInverseMatrix = %s * mat2(s.x, 0, 0, s.y);",
-                           coords.fInverseMatrix);
+        f->codeAppendf(    "highp float2 s = %s.zw * sign(%s);", rrect, coords.fVarying->fsIn());
+        f->codeAppendf(    "highp float2x2 innerRRectInverseMatrix = %s * "
+                           "float2x2(s.x, 0, 0, s.y);", coords.fInverseMatrix);
         f->codeAppend (    "highp int rrectMask = 0;");
         f->codeAppend (    "for (int i = 0; i < SAMPLE_COUNT; i++) {");
-        f->codeAppend (        "highp vec2 pt = rrectCoords + ");
+        f->codeAppend (        "highp float2 pt = rrectCoords + ");
         f->appendOffsetToSample("i", GrGLSLFPFragmentBuilder::kSkiaDevice_Coordinates);
         f->codeAppend (                  "* innerRRectInverseMatrix;");
-        f->codeAppendf(        "if (%s(max(pt, vec2(0))) < 1.0) rrectMask |= (1 << i);",
+        f->codeAppendf(        "if (%s(max(pt, float2(0))) < 1.0) rrectMask |= (1 << i);",
                                fSquareFun.c_str());
         f->codeAppend (    "}");
         this->acceptCoverageMask(f, "rrectMask", opts);
@@ -1570,10 +1570,10 @@
     } else {
         f->codeAppend ("int rrectMask = 0;");
         f->codeAppend ("for (int i = 0; i < SAMPLE_COUNT; i++) {");
-        f->codeAppend (    "highp vec2 shapePt = ");
+        f->codeAppend (    "highp float2 shapePt = ");
         this->interpolateAtSample(f, *coords.fVarying, "i", nullptr);
         f->codeAppend (    ";");
-        f->codeAppendf(    "highp vec2 rrectPt = max(abs(shapePt) - %s.xy, vec2(0)) * %s.zw;",
+        f->codeAppendf(    "highp float2 rrectPt = max(abs(shapePt) - %s.xy, float2(0)) * %s.zw;",
                            rrect, rrect);
         f->codeAppendf(    "if (%s(rrectPt) < 1.0) rrectMask |= (1 << i);", fSquareFun.c_str());
         f->codeAppend ("}");
diff --git a/src/gpu/ops/GrAAConvexPathRenderer.cpp b/src/gpu/ops/GrAAConvexPathRenderer.cpp
index 9841f70..22b2b59 100644
--- a/src/gpu/ops/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/ops/GrAAConvexPathRenderer.cpp
@@ -588,14 +588,14 @@
             fragBuilder->codeAppendf("float edgeAlpha;");
 
             // keep the derivative instructions outside the conditional
-            fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn());
-            fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn());
+            fragBuilder->codeAppendf("float2 duvdx = dFdx(%s.xy);", v.fsIn());
+            fragBuilder->codeAppendf("float2 duvdy = dFdy(%s.xy);", v.fsIn());
             fragBuilder->codeAppendf("if (%s.z > 0.0 && %s.w > 0.0) {", v.fsIn(), v.fsIn());
             // today we know z and w are in device space. We could use derivatives
             fragBuilder->codeAppendf("edgeAlpha = min(min(%s.z, %s.w) + 0.5, 1.0);", v.fsIn(),
                                      v.fsIn());
             fragBuilder->codeAppendf ("} else {");
-            fragBuilder->codeAppendf("vec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y,"
+            fragBuilder->codeAppendf("float2 gF = float2(2.0*%s.x*duvdx.x - duvdx.y,"
                                      "               2.0*%s.x*duvdy.x - duvdy.y);",
                                      v.fsIn(), v.fsIn());
             fragBuilder->codeAppendf("edgeAlpha = (%s.x*%s.x - %s.y);", v.fsIn(), v.fsIn(),
@@ -603,7 +603,7 @@
             fragBuilder->codeAppendf("edgeAlpha = "
                                      "clamp(0.5 - edgeAlpha / length(gF), 0.0, 1.0);}");
 
-            fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage);
+            fragBuilder->codeAppendf("%s = float4(edgeAlpha);", args.fOutputCoverage);
         }
 
         static inline void GenKey(const GrGeometryProcessor& gp,
diff --git a/src/gpu/ops/GrDashOp.cpp b/src/gpu/ops/GrDashOp.cpp
index fdc59a4..7a23b5a 100644
--- a/src/gpu/ops/GrDashOp.cpp
+++ b/src/gpu/ops/GrDashOp.cpp
@@ -789,7 +789,7 @@
  * This effect will draw a dotted line (defined as a dashed lined with round caps and no on
  * interval). The radius of the dots is given by the strokeWidth and the spacing by the DashInfo.
  * Both of the previous two parameters are in device space. This effect also requires the setting of
- * a vec2 vertex attribute for the the four corners of the bounding rect. This attribute is the
+ * a float2 vertex attribute for the the four corners of the bounding rect. This attribute is the
  * "dash position" of each vertex. In other words it is the vertex coords (in device space) if we
  * transform the line to be horizontal, with the start of line at the origin then shifted to the
  * right by half the off interval. The line then goes in the positive x direction.
@@ -910,8 +910,8 @@
     fragBuilder->codeAppendf("float xShifted = %s.x - floor(%s.x / %s.z) * %s.z;",
                              dashParams.fsIn(), dashParams.fsIn(), dashParams.fsIn(),
                              dashParams.fsIn());
-    fragBuilder->codeAppendf("vec2 fragPosShifted = vec2(xShifted, %s.y);", dashParams.fsIn());
-    fragBuilder->codeAppendf("vec2 center = vec2(%s.y, 0.0);", circleParams.fsIn());
+    fragBuilder->codeAppendf("float2 fragPosShifted = float2(xShifted, %s.y);", dashParams.fsIn());
+    fragBuilder->codeAppendf("float2 center = float2(%s.y, 0.0);", circleParams.fsIn());
     fragBuilder->codeAppend("float dist = length(center - fragPosShifted);");
     if (dce.aaMode() != AAMode::kNone) {
         fragBuilder->codeAppendf("float diff = dist - %s.x;", circleParams.fsIn());
@@ -921,7 +921,7 @@
         fragBuilder->codeAppendf("float alpha = 1.0;");
         fragBuilder->codeAppendf("alpha *=  dist < %s.x + 0.5 ? 1.0 : 0.0;", circleParams.fsIn());
     }
-    fragBuilder->codeAppendf("%s = vec4(alpha);", args.fOutputCoverage);
+    fragBuilder->codeAppendf("%s = float4(alpha);", args.fOutputCoverage);
 }
 
 void GLDashingCircleEffect::setData(const GrGLSLProgramDataManager& pdman,
@@ -998,7 +998,7 @@
 /*
  * This effect will draw a dashed line. The width of the dash is given by the strokeWidth and the
  * length and spacing by the DashInfo. Both of the previous two parameters are in device space.
- * This effect also requires the setting of a vec2 vertex attribute for the the four corners of the
+ * This effect also requires the setting of a float2 vertex attribute for the the four corners of the
  * bounding rect. This attribute is the "dash position" of each vertex. In other words it is the
  * vertex coords (in device space) if we transform the line to be horizontal, with the start of
  * line at the origin then shifted to the right by half the off interval. The line then goes in the
@@ -1114,7 +1114,7 @@
     fragBuilder->codeAppendf("float xShifted = %s.x - floor(%s.x / %s.z) * %s.z;",
                              inDashParams.fsIn(), inDashParams.fsIn(), inDashParams.fsIn(),
                              inDashParams.fsIn());
-    fragBuilder->codeAppendf("vec2 fragPosShifted = vec2(xShifted, %s.y);", inDashParams.fsIn());
+    fragBuilder->codeAppendf("float2 fragPosShifted = float2(xShifted, %s.y);", inDashParams.fsIn());
     if (de.aaMode() == AAMode::kCoverage) {
         // The amount of coverage removed in x and y by the edges is computed as a pair of negative
         // numbers, xSub and ySub.
@@ -1143,7 +1143,7 @@
         fragBuilder->codeAppendf("alpha *= (%s.z - fragPosShifted.x) >= -0.5 ? 1.0 : 0.0;",
                                  inRectParams.fsIn());
     }
-    fragBuilder->codeAppendf("%s = vec4(alpha);", args.fOutputCoverage);
+    fragBuilder->codeAppendf("%s = float4(alpha);", args.fOutputCoverage);
 }
 
 void GLDashingLineEffect::setData(const GrGLSLProgramDataManager& pdman,
diff --git a/src/gpu/ops/GrMSAAPathRenderer.cpp b/src/gpu/ops/GrMSAAPathRenderer.cpp
index b570a65..f1503fc 100644
--- a/src/gpu/ops/GrMSAAPathRenderer.cpp
+++ b/src/gpu/ops/GrMSAAPathRenderer.cpp
@@ -156,7 +156,7 @@
             GrGLSLPPFragmentBuilder* fsBuilder = args.fFragBuilder;
             fsBuilder->codeAppendf("if (%s.x * %s.x >= %s.y) discard;", uv.fsIn(), uv.fsIn(),
                                                                         uv.fsIn());
-            fsBuilder->codeAppendf("%s = vec4(1.0);", args.fOutputCoverage);
+            fsBuilder->codeAppendf("%s = float4(1.0);", args.fOutputCoverage);
         }
 
         static inline void GenKey(const GrGeometryProcessor& gp,
diff --git a/src/gpu/ops/GrOvalOpFactory.cpp b/src/gpu/ops/GrOvalOpFactory.cpp
index 1c80594..770a54f 100644
--- a/src/gpu/ops/GrOvalOpFactory.cpp
+++ b/src/gpu/ops/GrOvalOpFactory.cpp
@@ -119,21 +119,21 @@
 
             // emit attributes
             varyingHandler->emitAttributes(cgp);
-            fragBuilder->codeAppend("highp vec4 circleEdge;");
+            fragBuilder->codeAppend("highp float4 circleEdge;");
             varyingHandler->addPassThroughAttribute(cgp.fInCircleEdge, "circleEdge",
                                                     kHigh_GrSLPrecision);
             if (cgp.fInClipPlane) {
-                fragBuilder->codeAppend("vec3 clipPlane;");
+                fragBuilder->codeAppend("float3 clipPlane;");
                 varyingHandler->addPassThroughAttribute(cgp.fInClipPlane, "clipPlane");
             }
             if (cgp.fInIsectPlane) {
                 SkASSERT(cgp.fInClipPlane);
-                fragBuilder->codeAppend("vec3 isectPlane;");
+                fragBuilder->codeAppend("float3 isectPlane;");
                 varyingHandler->addPassThroughAttribute(cgp.fInIsectPlane, "isectPlane");
             }
             if (cgp.fInUnionPlane) {
                 SkASSERT(cgp.fInClipPlane);
-                fragBuilder->codeAppend("vec3 unionPlane;");
+                fragBuilder->codeAppend("float3 unionPlane;");
                 varyingHandler->addPassThroughAttribute(cgp.fInUnionPlane, "unionPlane");
             }
 
@@ -178,7 +178,7 @@
                 }
                 fragBuilder->codeAppend("edgeAlpha *= clip;");
             }
-            fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage);
+            fragBuilder->codeAppendf("%s = float4(edgeAlpha);", args.fOutputCoverage);
         }
 
         static void GenKey(const GrGeometryProcessor& gp,
@@ -301,10 +301,10 @@
                                  args.fFPCoordTransformHandler);
 
             // for outer curve
-            fragBuilder->codeAppendf("vec2 scaledOffset = %s*%s.xy;", ellipseOffsets.fsIn(),
+            fragBuilder->codeAppendf("float2 scaledOffset = %s*%s.xy;", ellipseOffsets.fsIn(),
                                      ellipseRadii.fsIn());
             fragBuilder->codeAppend("float test = dot(scaledOffset, scaledOffset) - 1.0;");
-            fragBuilder->codeAppendf("vec2 grad = 2.0*scaledOffset*%s.xy;", ellipseRadii.fsIn());
+            fragBuilder->codeAppendf("float2 grad = 2.0*scaledOffset*%s.xy;", ellipseRadii.fsIn());
             fragBuilder->codeAppend("float grad_dot = dot(grad, grad);");
 
             // avoid calling inversesqrt on zero.
@@ -322,7 +322,7 @@
                 fragBuilder->codeAppend("edgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);");
             }
 
-            fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage);
+            fragBuilder->codeAppendf("%s = float4(edgeAlpha);", args.fOutputCoverage);
         }
 
         static void GenKey(const GrGeometryProcessor& gp,
@@ -445,12 +445,12 @@
                                  args.fFPCoordTransformHandler);
 
             // for outer curve
-            fragBuilder->codeAppendf("vec2 scaledOffset = %s.xy;", offsets0.fsIn());
+            fragBuilder->codeAppendf("float2 scaledOffset = %s.xy;", offsets0.fsIn());
             fragBuilder->codeAppend("float test = dot(scaledOffset, scaledOffset) - 1.0;");
-            fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s);", offsets0.fsIn());
-            fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s);", offsets0.fsIn());
+            fragBuilder->codeAppendf("float2 duvdx = dFdx(%s);", offsets0.fsIn());
+            fragBuilder->codeAppendf("float2 duvdy = dFdy(%s);", offsets0.fsIn());
             fragBuilder->codeAppendf(
-                    "vec2 grad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,"
+                    "float2 grad = float2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,"
                     "                 2.0*%s.x*duvdy.x + 2.0*%s.y*duvdy.y);",
                     offsets0.fsIn(), offsets0.fsIn(), offsets0.fsIn(), offsets0.fsIn());
 
@@ -473,14 +473,14 @@
                 fragBuilder->codeAppendf("duvdx = dFdx(%s);", offsets1.fsIn());
                 fragBuilder->codeAppendf("duvdy = dFdy(%s);", offsets1.fsIn());
                 fragBuilder->codeAppendf(
-                        "grad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,"
+                        "grad = float2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,"
                         "            2.0*%s.x*duvdy.x + 2.0*%s.y*duvdy.y);",
                         offsets1.fsIn(), offsets1.fsIn(), offsets1.fsIn(), offsets1.fsIn());
                 fragBuilder->codeAppend("invlen = inversesqrt(dot(grad, grad));");
                 fragBuilder->codeAppend("edgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);");
             }
 
-            fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage);
+            fragBuilder->codeAppendf("%s = float4(edgeAlpha);", args.fOutputCoverage);
         }
 
         static void GenKey(const GrGeometryProcessor& gp,
diff --git a/src/gpu/vk/GrVkCopyManager.cpp b/src/gpu/vk/GrVkCopyManager.cpp
index 47c17ab..938596f 100644
--- a/src/gpu/vk/GrVkCopyManager.cpp
+++ b/src/gpu/vk/GrVkCopyManager.cpp
@@ -44,17 +44,17 @@
         "#extension GL_ARB_shading_language_420pack : enable\n"
 
         "layout(set = 0, binding = 0) uniform vertexUniformBuffer {"
-            "mediump vec4 uPosXform;"
-            "mediump vec4 uTexCoordXform;"
+            "mediump float4 uPosXform;"
+            "mediump float4 uTexCoordXform;"
         "};"
-        "layout(location = 0) in highp vec2 inPosition;"
-        "layout(location = 1) out mediump vec2 vTexCoord;"
+        "layout(location = 0) in highp float2 inPosition;"
+        "layout(location = 1) out mediump float2 vTexCoord;"
 
         "// Copy Program VS\n"
         "void main() {"
             "vTexCoord = inPosition * uTexCoordXform.xy + uTexCoordXform.zw;"
             "gl_Position.xy = inPosition * uPosXform.xy + uPosXform.zw;"
-            "gl_Position.zw = vec2(0, 1);"
+            "gl_Position.zw = float2(0, 1);"
         "}"
     );
 
@@ -66,8 +66,8 @@
         "precision mediump float;"
 
         "layout(set = 1, binding = 0) uniform mediump sampler2D uTextureSampler;"
-        "layout(location = 1) in mediump vec2 vTexCoord;"
-        "layout(location = 0, index = 0) out mediump vec4 fsColorOut;"
+        "layout(location = 1) in mediump float2 vTexCoord;"
+        "layout(location = 0, index = 0) out mediump float4 fsColorOut;"
 
         "// Copy Program FS\n"
         "void main() {"
@@ -135,7 +135,7 @@
     SkASSERT(fVertexBuffer.get());
     fVertexBuffer->updateData(vdata, sizeof(vdata));
 
-    // We use 2 vec4's for uniforms
+    // We use 2 float4's for uniforms
     fUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, 8 * sizeof(float)));
     SkASSERT(fUniformBuffer.get());
 
diff --git a/src/gpu/vk/GrVkPipelineState.h b/src/gpu/vk/GrVkPipelineState.h
index 9481aa1..a5d3346 100644
--- a/src/gpu/vk/GrVkPipelineState.h
+++ b/src/gpu/vk/GrVkPipelineState.h
@@ -132,8 +132,8 @@
         }
 
         /**
-        * Gets a vec4 that adjusts the position from Skia device coords to Vulkans normalized device
-        * coords. Assuming the transformed position, pos, is a homogeneous vec3, the vec, v, is
+        * Gets a float4 that adjusts the position from Skia device coords to Vulkans normalized device
+        * coords. Assuming the transformed position, pos, is a homogeneous float3, the vec, v, is
         * applied as such:
         * pos.x = dot(v.xy, pos.xz)
         * pos.y = dot(v.zw, pos.yz)
diff --git a/src/gpu/vk/GrVkUniformHandler.cpp b/src/gpu/vk/GrVkUniformHandler.cpp
index 55fd3d7..f45d795 100644
--- a/src/gpu/vk/GrVkUniformHandler.cpp
+++ b/src/gpu/vk/GrVkUniformHandler.cpp
@@ -61,7 +61,7 @@
 
 /** Returns the size in bytes taken up in vulkanbuffers for floating point GrSLTypes.
     For non floating point type returns 0. Currently this reflects the std140 alignment
-    so a mat22 takes up 8 floats. */
+    so a float2x2 takes up 8 floats. */
 static inline uint32_t grsltype_to_vk_size(GrSLType type) {
     switch(type) {
         case kInt_GrSLType:
diff --git a/src/shaders/SkLightingShader.cpp b/src/shaders/SkLightingShader.cpp
index 96b87ed..88610a0 100644
--- a/src/shaders/SkLightingShader.cpp
+++ b/src/shaders/SkLightingShader.cpp
@@ -172,14 +172,14 @@
                                                           kVec3f_GrSLType, kDefault_GrSLPrecision,
                                                           "AmbientColor", &ambientColorUniName);
 
-            fragBuilder->codeAppendf("vec4 diffuseColor = %s;", args.fInputColor);
+            fragBuilder->codeAppendf("float4 diffuseColor = %s;", args.fInputColor);
 
             SkString dstNormalName("dstNormal");
             this->emitChild(0, &dstNormalName, args);
 
-            fragBuilder->codeAppendf("vec3 normal = %s.xyz;", dstNormalName.c_str());
+            fragBuilder->codeAppendf("float3 normal = %s.xyz;", dstNormalName.c_str());
 
-            fragBuilder->codeAppend( "vec3 result = vec3(0.0);");
+            fragBuilder->codeAppend( "float3 result = float3(0.0);");
 
             // diffuse light
             if (lightingFP.fDirectionalLights.count() != 0) {
@@ -197,7 +197,7 @@
             fragBuilder->codeAppendf("result += %s * diffuseColor.rgb;", ambientColorUniName);
 
             // Clamping to alpha (equivalent to an unpremul'd clamp to 1.0)
-            fragBuilder->codeAppendf("%s = vec4(clamp(result.rgb, 0.0, diffuseColor.a), "
+            fragBuilder->codeAppendf("%s = float4(clamp(result.rgb, 0.0, diffuseColor.a), "
                                                "diffuseColor.a);", args.fOutputColor);
         }
 
diff --git a/src/shaders/SkPerlinNoiseShader.cpp b/src/shaders/SkPerlinNoiseShader.cpp
index d8c6047..0ce007a 100644
--- a/src/shaders/SkPerlinNoiseShader.cpp
+++ b/src/shaders/SkPerlinNoiseShader.cpp
@@ -851,7 +851,7 @@
     const char* inc8bit     = "0.00390625";  // 1.0 / 256.0
     // This is the math to convert the two 16bit integer packed into rgba 8 bit input into a
     // [-1,1] vector and perform a dot product between that vector and the provided vector.
-    const char* dotLattice  = "dot(((%s.ga + %s.rb * vec2(%s)) * vec2(2.0) - vec2(1.0)), %s);";
+    const char* dotLattice  = "dot(((%s.ga + %s.rb * float2(%s)) * float2(2.0) - float2(1.0)), %s);";
 
     // Add noise function
     static const GrShaderVar gPerlinNoiseArgs[] =  {
@@ -867,13 +867,13 @@
 
     SkString noiseCode;
 
-    noiseCode.appendf("\tvec4 %s;\n", floorVal);
+    noiseCode.appendf("\tfloat4 %s;\n", floorVal);
     noiseCode.appendf("\t%s.xy = floor(%s);\n", floorVal, noiseVec);
-    noiseCode.appendf("\t%s.zw = %s.xy + vec2(1.0);\n", floorVal, floorVal);
-    noiseCode.appendf("\tvec2 %s = fract(%s);\n", fractVal, noiseVec);
+    noiseCode.appendf("\t%s.zw = %s.xy + float2(1.0);\n", floorVal, floorVal);
+    noiseCode.appendf("\tfloat2 %s = fract(%s);\n", fractVal, noiseVec);
 
     // smooth curve : t * t * (3 - 2 * t)
-    noiseCode.appendf("\n\tvec2 %s = %s * %s * (vec2(3.0) - vec2(2.0) * %s);",
+    noiseCode.appendf("\n\tfloat2 %s = %s * %s * (float2(3.0) - float2(2.0) * %s);",
         noiseSmooth, fractVal, fractVal, fractVal);
 
     // Adjust frequencies if we're stitching tiles
@@ -889,15 +889,15 @@
     }
 
     // Get texture coordinates and normalize
-    noiseCode.appendf("\n\t%s = fract(floor(mod(%s, 256.0)) / vec4(256.0));\n",
+    noiseCode.appendf("\n\t%s = fract(floor(mod(%s, 256.0)) / float4(256.0));\n",
         floorVal, floorVal);
 
     // Get permutation for x
     {
         SkString xCoords("");
-        xCoords.appendf("vec2(%s.x, 0.5)", floorVal);
+        xCoords.appendf("float2(%s.x, 0.5)", floorVal);
 
-        noiseCode.appendf("\n\tvec2 %s;\n\t%s.x = ", latticeIdx, latticeIdx);
+        noiseCode.appendf("\n\tfloat2 %s;\n\t%s.x = ", latticeIdx, latticeIdx);
         fragBuilder->appendTextureLookup(&noiseCode, args.fTexSamplers[0], xCoords.c_str(),
                                          kVec2f_GrSLType);
         noiseCode.append(".r;");
@@ -906,7 +906,7 @@
     // Get permutation for x + 1
     {
         SkString xCoords("");
-        xCoords.appendf("vec2(%s.z, 0.5)", floorVal);
+        xCoords.appendf("float2(%s.z, 0.5)", floorVal);
 
         noiseCode.appendf("\n\t%s.y = ", latticeIdx);
         fragBuilder->appendTextureLookup(&noiseCode, args.fTexSamplers[0], xCoords.c_str(),
@@ -921,19 +921,19 @@
     // (or 0.484368 here). The following rounding operation prevents these precision issues from
     // affecting the result of the noise by making sure that we only have multiples of 1/255.
     // (Note that 1/255 is about 0.003921569, which is the value used here).
-    noiseCode.appendf("\n\t%s = floor(%s * vec2(255.0) + vec2(0.5)) * vec2(0.003921569);",
+    noiseCode.appendf("\n\t%s = floor(%s * float2(255.0) + float2(0.5)) * float2(0.003921569);",
                       latticeIdx, latticeIdx);
 #endif
 
     // Get (x,y) coordinates with the permutated x
-    noiseCode.appendf("\n\tvec4 %s = fract(%s.xyxy + %s.yyww);", bcoords, latticeIdx, floorVal);
+    noiseCode.appendf("\n\tfloat4 %s = fract(%s.xyxy + %s.yyww);", bcoords, latticeIdx, floorVal);
 
-    noiseCode.appendf("\n\n\tvec2 %s;", uv);
+    noiseCode.appendf("\n\n\tfloat2 %s;", uv);
     // Compute u, at offset (0,0)
     {
         SkString latticeCoords("");
-        latticeCoords.appendf("vec2(%s.x, %s)", bcoords, chanCoord);
-        noiseCode.appendf("\n\tvec4 %s = ", lattice);
+        latticeCoords.appendf("float2(%s.x, %s)", bcoords, chanCoord);
+        noiseCode.appendf("\n\tfloat4 %s = ", lattice);
         fragBuilder->appendTextureLookup(&noiseCode, args.fTexSamplers[1], latticeCoords.c_str(),
                                          kVec2f_GrSLType);
         noiseCode.appendf(".bgra;\n\t%s.x = ", uv);
@@ -944,7 +944,7 @@
     // Compute v, at offset (-1,0)
     {
         SkString latticeCoords("");
-        latticeCoords.appendf("vec2(%s.y, %s)", bcoords, chanCoord);
+        latticeCoords.appendf("float2(%s.y, %s)", bcoords, chanCoord);
         noiseCode.append("\n\tlattice = ");
         fragBuilder->appendTextureLookup(&noiseCode, args.fTexSamplers[1], latticeCoords.c_str(),
                                          kVec2f_GrSLType);
@@ -953,14 +953,14 @@
     }
 
     // Compute 'a' as a linear interpolation of 'u' and 'v'
-    noiseCode.appendf("\n\tvec2 %s;", ab);
+    noiseCode.appendf("\n\tfloat2 %s;", ab);
     noiseCode.appendf("\n\t%s.x = mix(%s.x, %s.y, %s.x);", ab, uv, uv, noiseSmooth);
 
     noiseCode.appendf("\n\t%s.y -= 1.0;", fractVal);
     // Compute v, at offset (-1,-1)
     {
         SkString latticeCoords("");
-        latticeCoords.appendf("vec2(%s.w, %s)", bcoords, chanCoord);
+        latticeCoords.appendf("float2(%s.w, %s)", bcoords, chanCoord);
         noiseCode.append("\n\tlattice = ");
         fragBuilder->appendTextureLookup(&noiseCode, args.fTexSamplers[1], latticeCoords.c_str(),
                                          kVec2f_GrSLType);
@@ -972,7 +972,7 @@
     // Compute u, at offset (0,-1)
     {
         SkString latticeCoords("");
-        latticeCoords.appendf("vec2(%s.z, %s)", bcoords, chanCoord);
+        latticeCoords.appendf("float2(%s.z, %s)", bcoords, chanCoord);
         noiseCode.append("\n\tlattice = ");
         fragBuilder->appendTextureLookup(&noiseCode, args.fTexSamplers[1], latticeCoords.c_str(),
                                          kVec2f_GrSLType);
@@ -997,15 +997,15 @@
     }
 
     // There are rounding errors if the floor operation is not performed here
-    fragBuilder->codeAppendf("\n\t\tvec2 %s = floor(%s.xy) * %s;",
+    fragBuilder->codeAppendf("\n\t\tfloat2 %s = floor(%s.xy) * %s;",
                              noiseVec, vCoords.c_str(), baseFrequencyUni);
 
     // Clear the color accumulator
-    fragBuilder->codeAppendf("\n\t\t%s = vec4(0.0);", args.fOutputColor);
+    fragBuilder->codeAppendf("\n\t\t%s = float4(0.0);", args.fOutputColor);
 
     if (pne.stitchTiles()) {
         // Set up TurbulenceInitial stitch values.
-        fragBuilder->codeAppendf("\n\t\tvec2 %s = %s;", stitchData, stitchDataUni);
+        fragBuilder->codeAppendf("\n\t\tfloat2 %s = %s;", stitchData, stitchDataUni);
     }
 
     fragBuilder->codeAppendf("\n\t\tfloat %s = 1.0;", ratio);
@@ -1019,7 +1019,7 @@
     }
     if (pne.stitchTiles()) {
         fragBuilder->codeAppendf(
-            "vec4(\n\t\t\t\t%s(%s, %s, %s),\n\t\t\t\t%s(%s, %s, %s),"
+            "float4(\n\t\t\t\t%s(%s, %s, %s),\n\t\t\t\t%s(%s, %s, %s),"
                  "\n\t\t\t\t%s(%s, %s, %s),\n\t\t\t\t%s(%s, %s, %s))",
             noiseFuncName.c_str(), chanCoordR, noiseVec, stitchData,
             noiseFuncName.c_str(), chanCoordG, noiseVec, stitchData,
@@ -1027,7 +1027,7 @@
             noiseFuncName.c_str(), chanCoordA, noiseVec, stitchData);
     } else {
         fragBuilder->codeAppendf(
-            "vec4(\n\t\t\t\t%s(%s, %s),\n\t\t\t\t%s(%s, %s),"
+            "float4(\n\t\t\t\t%s(%s, %s),\n\t\t\t\t%s(%s, %s),"
                  "\n\t\t\t\t%s(%s, %s),\n\t\t\t\t%s(%s, %s))",
             noiseFuncName.c_str(), chanCoordR, noiseVec,
             noiseFuncName.c_str(), chanCoordG, noiseVec,
@@ -1039,18 +1039,18 @@
     }
     fragBuilder->codeAppendf(" * %s;", ratio);
 
-    fragBuilder->codeAppendf("\n\t\t\t%s *= vec2(2.0);", noiseVec);
+    fragBuilder->codeAppendf("\n\t\t\t%s *= float2(2.0);", noiseVec);
     fragBuilder->codeAppendf("\n\t\t\t%s *= 0.5;", ratio);
 
     if (pne.stitchTiles()) {
-        fragBuilder->codeAppendf("\n\t\t\t%s *= vec2(2.0);", stitchData);
+        fragBuilder->codeAppendf("\n\t\t\t%s *= float2(2.0);", stitchData);
     }
     fragBuilder->codeAppend("\n\t\t}"); // end of the for loop on octaves
 
     if (pne.type() == SkPerlinNoiseShaderImpl::kFractalNoise_Type) {
         // The value of turbulenceFunctionResult comes from ((turbulenceFunctionResult) + 1) / 2
         // by fractalNoise and (turbulenceFunctionResult) by turbulence.
-        fragBuilder->codeAppendf("\n\t\t%s = %s * vec4(0.5) + vec4(0.5);",
+        fragBuilder->codeAppendf("\n\t\t%s = %s * float4(0.5) + float4(0.5);",
                                args.fOutputColor,args.fOutputColor);
     }
 
@@ -1058,7 +1058,7 @@
     fragBuilder->codeAppendf("\n\t\t%s = clamp(%s, 0.0, 1.0);", args.fOutputColor, args.fOutputColor);
 
     // Pre-multiply the result
-    fragBuilder->codeAppendf("\n\t\t%s = vec4(%s.rgb * %s.aaa, %s.a);\n",
+    fragBuilder->codeAppendf("\n\t\t%s = float4(%s.rgb * %s.aaa, %s.a);\n",
                              args.fOutputColor, args.fOutputColor,
                              args.fOutputColor, args.fOutputColor);
 }
@@ -1265,7 +1265,7 @@
     SkString permCode("return ");
     // FIXME even though I'm creating these textures with kRepeat_TileMode, they're clamped. Not
     // sure why. Using fract() (here and the next texture lookup) as a workaround.
-    fragBuilder->appendTextureLookup(&permCode, args.fTexSamplers[0], "vec2(fract(x / 256.0), 0.0)",
+    fragBuilder->appendTextureLookup(&permCode, args.fTexSamplers[0], "float2(fract(x / 256.0), 0.0)",
                                      kVec2f_GrSLType);
     permCode.append(".r * 255.0;");
     fragBuilder->emitFunction(kFloat_GrSLType, "perm", SK_ARRAY_COUNT(permArgs), permArgs,
@@ -1278,9 +1278,9 @@
     };
     SkString gradFuncName;
     SkString gradCode("return dot(");
-    fragBuilder->appendTextureLookup(&gradCode, args.fTexSamplers[1], "vec2(fract(x / 16.0), 0.0)",
+    fragBuilder->appendTextureLookup(&gradCode, args.fTexSamplers[1], "float2(fract(x / 16.0), 0.0)",
                                      kVec2f_GrSLType);
-    gradCode.append(".rgb * 255.0 - vec3(1.0), p);");
+    gradCode.append(".rgb * 255.0 - float3(1.0), p);");
     fragBuilder->emitFunction(kFloat_GrSLType, "grad", SK_ARRAY_COUNT(gradArgs), gradArgs,
                               gradCode.c_str(), &gradFuncName);
 
@@ -1300,9 +1300,9 @@
     };
     SkString noiseFuncName;
     SkString noiseCode;
-    noiseCode.append("vec3 P = mod(floor(p), 256.0);");
+    noiseCode.append("float3 P = mod(floor(p), 256.0);");
     noiseCode.append("p -= floor(p);");
-    noiseCode.appendf("vec3 f = %s(p);", fadeFuncName.c_str());
+    noiseCode.appendf("float3 f = %s(p);", fadeFuncName.c_str());
     noiseCode.appendf("float A = %s(P.x) + P.y;", permFuncName.c_str());
     noiseCode.appendf("float AA = %s(A) + P.z;", permFuncName.c_str());
     noiseCode.appendf("float AB = %s(A + 1.0) + P.z;", permFuncName.c_str());
@@ -1312,20 +1312,20 @@
     noiseCode.appendf("float result = %s(", lerpFuncName.c_str());
     noiseCode.appendf("%s(%s(%s(%s(AA), p),", lerpFuncName.c_str(), lerpFuncName.c_str(),
                       gradFuncName.c_str(), permFuncName.c_str());
-    noiseCode.appendf("%s(%s(BA), p + vec3(-1.0, 0.0, 0.0)), f.x),", gradFuncName.c_str(),
+    noiseCode.appendf("%s(%s(BA), p + float3(-1.0, 0.0, 0.0)), f.x),", gradFuncName.c_str(),
                       permFuncName.c_str());
-    noiseCode.appendf("%s(%s(%s(AB), p + vec3(0.0, -1.0, 0.0)),", lerpFuncName.c_str(),
+    noiseCode.appendf("%s(%s(%s(AB), p + float3(0.0, -1.0, 0.0)),", lerpFuncName.c_str(),
                       gradFuncName.c_str(), permFuncName.c_str());
-    noiseCode.appendf("%s(%s(BB), p + vec3(-1.0, -1.0, 0.0)), f.x), f.y),",
+    noiseCode.appendf("%s(%s(BB), p + float3(-1.0, -1.0, 0.0)), f.x), f.y),",
                       gradFuncName.c_str(), permFuncName.c_str());
-    noiseCode.appendf("%s(%s(%s(%s(AA + 1.0), p + vec3(0.0, 0.0, -1.0)),",
+    noiseCode.appendf("%s(%s(%s(%s(AA + 1.0), p + float3(0.0, 0.0, -1.0)),",
                       lerpFuncName.c_str(), lerpFuncName.c_str(), gradFuncName.c_str(),
                       permFuncName.c_str());
-    noiseCode.appendf("%s(%s(BA + 1.0), p + vec3(-1.0, 0.0, -1.0)), f.x),",
+    noiseCode.appendf("%s(%s(BA + 1.0), p + float3(-1.0, 0.0, -1.0)), f.x),",
                       gradFuncName.c_str(), permFuncName.c_str());
-    noiseCode.appendf("%s(%s(%s(AB + 1.0), p + vec3(0.0, -1.0, -1.0)),",
+    noiseCode.appendf("%s(%s(%s(AB + 1.0), p + float3(0.0, -1.0, -1.0)),",
                       lerpFuncName.c_str(), gradFuncName.c_str(), permFuncName.c_str());
-    noiseCode.appendf("%s(%s(BB + 1.0), p + vec3(-1.0, -1.0, -1.0)), f.x), f.y), f.z);",
+    noiseCode.appendf("%s(%s(BB + 1.0), p + float3(-1.0, -1.0, -1.0)), f.x), f.y), f.z);",
                       gradFuncName.c_str(), permFuncName.c_str());
     noiseCode.append("return result;");
     fragBuilder->emitFunction(kFloat_GrSLType, "noise", SK_ARRAY_COUNT(noiseArgs), noiseArgs,
@@ -1348,22 +1348,22 @@
     fragBuilder->emitFunction(kFloat_GrSLType, "noiseOctaves", SK_ARRAY_COUNT(noiseOctavesArgs),
                               noiseOctavesArgs, noiseOctavesCode.c_str(), &noiseOctavesFuncName);
 
-    fragBuilder->codeAppendf("vec2 coords = %s * %s;", vCoords.c_str(), baseFrequencyUni);
-    fragBuilder->codeAppendf("float r = %s(vec3(coords, %s));", noiseOctavesFuncName.c_str(),
+    fragBuilder->codeAppendf("float2 coords = %s * %s;", vCoords.c_str(), baseFrequencyUni);
+    fragBuilder->codeAppendf("float r = %s(float3(coords, %s));", noiseOctavesFuncName.c_str(),
                              zUni);
-    fragBuilder->codeAppendf("float g = %s(vec3(coords, %s + 0000.0));",
+    fragBuilder->codeAppendf("float g = %s(float3(coords, %s + 0000.0));",
                              noiseOctavesFuncName.c_str(), zUni);
-    fragBuilder->codeAppendf("float b = %s(vec3(coords, %s + 0000.0));",
+    fragBuilder->codeAppendf("float b = %s(float3(coords, %s + 0000.0));",
                              noiseOctavesFuncName.c_str(), zUni);
-    fragBuilder->codeAppendf("float a = %s(vec3(coords, %s + 0000.0));",
+    fragBuilder->codeAppendf("float a = %s(float3(coords, %s + 0000.0));",
                              noiseOctavesFuncName.c_str(), zUni);
-    fragBuilder->codeAppendf("%s = vec4(r, g, b, a);", args.fOutputColor);
+    fragBuilder->codeAppendf("%s = float4(r, g, b, a);", args.fOutputColor);
 
     // Clamp values
     fragBuilder->codeAppendf("%s = clamp(%s, 0.0, 1.0);", args.fOutputColor, args.fOutputColor);
 
     // Pre-multiply the result
-    fragBuilder->codeAppendf("\n\t\t%s = vec4(%s.rgb * %s.aaa, %s.a);\n",
+    fragBuilder->codeAppendf("\n\t\t%s = float4(%s.rgb * %s.aaa, %s.a);\n",
                              args.fOutputColor, args.fOutputColor,
                              args.fOutputColor, args.fOutputColor);
 }
diff --git a/src/shaders/gradients/SkGradientShader.cpp b/src/shaders/gradients/SkGradientShader.cpp
index 9f9b73f..56a8fe3 100644
--- a/src/shaders/gradients/SkGradientShader.cpp
+++ b/src/shaders/gradients/SkGradientShader.cpp
@@ -1563,7 +1563,7 @@
             }
 
             // Calculate color
-            fragBuilder->codeAppend ("vec4 start, end;");
+            fragBuilder->codeAppend ("float4 start, end;");
             fragBuilder->codeAppend ("float relative_t;");
             fragBuilder->codeAppendf("if (clamp_t < %s) {", stopT);
             fragBuilder->codeAppendf("    start = %s[0];", colors);
@@ -1574,7 +1574,7 @@
             fragBuilder->codeAppendf("    end   = %s[3];", colors);
             fragBuilder->codeAppendf("    relative_t = (clamp_t - %s) / (1 - %s);", stopT, stopT);
             fragBuilder->codeAppend ("}");
-            fragBuilder->codeAppend ("vec4 colorTemp = mix(start, end, relative_t);");
+            fragBuilder->codeAppend ("float4 colorTemp = mix(start, end, relative_t);");
 
             if (GrGradientEffect::kAfterInterp_PremulType == ge.getPremulType()) {
                 fragBuilder->codeAppend("colorTemp.rgb *= colorTemp.a;");
@@ -1606,7 +1606,7 @@
                 fragBuilder->codeAppendf("}");
             }
 
-            fragBuilder->codeAppendf("vec4 colorTemp = mix(%s[1], %s[2], clamp_t);", colors,
+            fragBuilder->codeAppendf("float4 colorTemp = mix(%s[1], %s[2], clamp_t);", colors,
                                      colors);
             if (SkShader::kClamp_TileMode == ge.fTileMode) {
                 fragBuilder->codeAppendf("if (%s < 0.0) {", t);
@@ -1644,7 +1644,7 @@
                 fragBuilder->codeAppendf("}");
             }
 
-            fragBuilder->codeAppendf("vec4 colorTemp = mix(%s[0], %s[1], clamp_t);", colors,
+            fragBuilder->codeAppendf("float4 colorTemp = mix(%s[0], %s[1], clamp_t);", colors,
                                      colors);
             if (SkShader::kClamp_TileMode == ge.fTileMode) {
                 fragBuilder->codeAppendf("if (%s > 1.0) {", t);
@@ -1667,7 +1667,7 @@
             const char* t      = gradientTValue;
             const char* colors = uniformHandler->getUniformCStr(fColorsUni);
 
-            fragBuilder->codeAppendf("vec4 colorTemp = mix(%s[0], %s[1], clamp(%s, 0.0, 1.0));",
+            fragBuilder->codeAppendf("float4 colorTemp = mix(%s[0], %s[1], clamp(%s, 0.0, 1.0));",
                                      colors, colors, t);
 
             // We could skip this step if both colors are known to be opaque. Two
@@ -1693,7 +1693,7 @@
             const char* colors = uniformHandler->getUniformCStr(fColorsUni);
 
             fragBuilder->codeAppendf("float oneMinus2t = 1.0 - (2.0 * %s);", t);
-            fragBuilder->codeAppendf("vec4 colorTemp = clamp(oneMinus2t, 0.0, 1.0) * %s[0];",
+            fragBuilder->codeAppendf("float4 colorTemp = clamp(oneMinus2t, 0.0, 1.0) * %s[0];",
                                      colors);
             if (!shaderCaps->canUseMinAndAbsTogether()) {
                 // The Tegra3 compiler will sometimes never return if we have
@@ -1724,7 +1724,7 @@
 
             const char* fsyuni = uniformHandler->getUniformCStr(fFSYUni);
 
-            fragBuilder->codeAppendf("vec2 coord = vec2(%s, %s);", gradientTValue, fsyuni);
+            fragBuilder->codeAppendf("float2 coord = float2(%s, %s);", gradientTValue, fsyuni);
             fragBuilder->codeAppendf("%s = ", outputColor);
             fragBuilder->appendTextureLookupAndModulate(inputColor, texSamplers[0], "coord",
                                                         kVec2f_GrSLType, &fColorSpaceHelper);
diff --git a/src/shaders/gradients/SkTwoPointConicalGradient_gpu.cpp b/src/shaders/gradients/SkTwoPointConicalGradient_gpu.cpp
index 41e1843..8263f88 100644
--- a/src/shaders/gradients/SkTwoPointConicalGradient_gpu.cpp
+++ b/src/shaders/gradients/SkTwoPointConicalGradient_gpu.cpp
@@ -256,7 +256,7 @@
     SkString bVar;
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     if (kVec3f_GrSLType == args.fTransformedCoords[0].getType()) {
-        fragBuilder->codeAppendf("\tvec3 interpolants = vec3(%s.xy / %s.z, %s.x / %s.z);\n",
+        fragBuilder->codeAppendf("\tfloat3 interpolants = float3(%s.xy / %s.z, %s.x / %s.z);\n",
                                  args.fTransformedCoords[0].c_str(),
                                  args.fTransformedCoords[0].c_str(),
                                  args.fTransformedCoords[1].c_str(),
@@ -270,7 +270,7 @@
 
     // output will default to transparent black (we simply won't write anything
     // else to it if invalid, instead of discarding or returning prematurely)
-    fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColor);
+    fragBuilder->codeAppendf("\t%s = float4(0.0,0.0,0.0,0.0);\n", args.fOutputColor);
 
     // c = (x^2)+(y^2) - params[1]
     fragBuilder->codeAppendf("\tfloat %s = dot(%s, %s) - %s;\n",
@@ -534,7 +534,7 @@
     p0.appendf("%s.x", uniformHandler->getUniformVariable(fParamUni).getName().c_str());
     p1.appendf("%s.y", uniformHandler->getUniformVariable(fParamUni).getName().c_str());
 
-    // if we have a vec3 from being in perspective, convert it to a vec2 first
+    // if we have a float3 from being in perspective, convert it to a float2 first
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
     const char* coords2D = coords2DString.c_str();
@@ -543,7 +543,7 @@
 
     // output will default to transparent black (we simply won't write anything
     // else to it if invalid, instead of discarding or returning prematurely)
-    fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColor);
+    fragBuilder->codeAppendf("\t%s = float4(0.0,0.0,0.0,0.0);\n", args.fOutputColor);
 
     fragBuilder->codeAppendf("\tfloat xs = %s.x * %s.x;\n", coords2D, coords2D);
     fragBuilder->codeAppendf("\tfloat ys = %s.y * %s.y;\n", coords2D, coords2D);
@@ -741,7 +741,7 @@
     // transformed coordinates
     GrShaderVar focal = uniformHandler->getUniformVariable(fFocalUni);
 
-    // if we have a vec3 from being in perspective, convert it to a vec2 first
+    // if we have a float3 from being in perspective, convert it to a float2 first
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
     const char* coords2D = coords2DString.c_str();
@@ -1003,7 +1003,7 @@
     // params.z = C
     GrShaderVar params = uniformHandler->getUniformVariable(fParamUni);
 
-    // if we have a vec3 from being in perspective, convert it to a vec2 first
+    // if we have a float3 from being in perspective, convert it to a float2 first
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
     const char* coords2D = coords2DString.c_str();
@@ -1250,14 +1250,14 @@
     // params.z = C
     GrShaderVar params = uniformHandler->getUniformVariable(fParamUni);
 
-    // if we have a vec3 from being in perspective, convert it to a vec2 first
+    // if we have a float3 from being in perspective, convert it to a float2 first
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
     const char* coords2D = coords2DString.c_str();
 
     // output will default to transparent black (we simply won't write anything
     // else to it if invalid, instead of discarding or returning prematurely)
-    fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColor);
+    fragBuilder->codeAppendf("\t%s = float4(0.0,0.0,0.0,0.0);\n", args.fOutputColor);
 
     // p = coords2D
     // e = center end
diff --git a/src/sksl/README b/src/sksl/README
index f590bbe..0128954 100644
--- a/src/sksl/README
+++ b/src/sksl/README
@@ -13,12 +13,10 @@
 Differences from GLSL
 =====================
 
-SkSL is based on GLSL 4.5. For the most part, write SkSL exactly as you would
-desktop GLSL, and the SkSL compiler will take care of version and dialect
-differences (for instance, you always use "in" and "out", and skslc will handle
-translating them to "varying" and "attribute" as appropriate). Be aware of the
-following differences between SkSL and GLSL:
-
+* Vector types are named <base type><columns>, so float2 instead of vec2 and
+  bool4 instead of bvec4
+* Matrix types are named <base type><columns>x<rows>, so float2x3 instead of
+  mat2x3 and double4x4 instead of dmat4
 * "@if" and "@switch" are static versions of if and switch. They behave exactly
   the same as if and switch in all respects other than it being a compile-time
   error to use a non-constant expression as a test.
@@ -35,7 +33,7 @@
 
   will compile as if you had written either 'do_something();' or
   'do_something_else();', depending on whether that cap is enabled or not.
-* no #version statement is required, and will be ignored if present
+* no #version statement is required, and it will be ignored if present
 * the output color is sk_FragColor (do not declare it)
 * use sk_VertexID instead of gl_VertexID
 * the fragment coordinate is sk_FragCoord, and is always relative to the upper
@@ -43,15 +41,15 @@
 * lowp, mediump, and highp are always permitted (but will only be respected if
   you run on a device which supports them)
 * you do not need to include ".0" to make a number a float (meaning that
-  "vec2(x, y) * 4" is perfectly legal in SkSL, unlike GLSL where it would often
-  have to be expressed "vec2(x, y) * 4.0". There is no performance penalty for
+  "float2x, y) * 4" is perfectly legal in SkSL, unlike GLSL where it would often
+  have to be expressed "float2x, y) * 4.0". There is no performance penalty for
   this, as the number is converted to a float at compile time)
 * type suffixes on numbers (1.0f, 0xFFu) are both unnecessary and unsupported
-* creating a smaller vector from a larger vector (e.g. vec2(vec3(1))) is
+* creating a smaller vector from a larger vector (e.g. float2float31))) is
   intentionally disallowed, as it is just a wordier way of performing a swizzle.
   Use swizzles instead.
-* Use texture() instead of textureProj(), e.g. texture(sampler2D, vec3) is
-  equivalent to GLSL's textureProj(sampler2D, vec3)
+* Use texture() instead of textureProj(), e.g. texture(sampler2D, float3 is
+  equivalent to GLSL's textureProj(sampler2D, float3
 * some built-in functions and one or two rarely-used language features are not
   yet supported (sorry!)
 
@@ -96,7 +94,7 @@
                        (the sampler params to attach to the named sampler2D)
 * global 'in' variables represent data passed to the fragment processor at
   construction time. These variables become constructor parameters and are
-  stored in fragment processor fields. vec2s map to SkPoints, and vec4s map to
+  stored in fragment processor fields. float2 map to SkPoints, and float4 map to
   SkRects (in x, y, width, height) order.
 * 'uniform' variables become, as one would expect, top-level uniforms. By
   default they do not have any data provided to them; you will need to provide
diff --git a/src/sksl/SkSLCPP.h b/src/sksl/SkSLCPP.h
index 47f8a40..642f7c6 100644
--- a/src/sksl/SkSLCPP.h
+++ b/src/sksl/SkSLCPP.h
@@ -18,8 +18,8 @@
 #define floatPrecisionVaries floatPrecisionVaries()
 
 // functions to make GLSL constructors work from C++ code
-inline SkPoint vec2(float xy) { return SkPoint::Make(xy, xy); }
+inline SkPoint float2(float xy) { return SkPoint::Make(xy, xy); }
 
-inline SkPoint vec2(float x, float y) { return SkPoint::Make(x, y); }
+inline SkPoint float2(float x, float y) { return SkPoint::Make(x, y); }
 
 #endif
diff --git a/src/sksl/SkSLCPPCodeGenerator.cpp b/src/sksl/SkSLCPPCodeGenerator.cpp
index 235c9d8..7c10606 100644
--- a/src/sksl/SkSLCPPCodeGenerator.cpp
+++ b/src/sksl/SkSLCPPCodeGenerator.cpp
@@ -54,6 +54,13 @@
 void CPPCodeGenerator::writePrecisionModifier() {
 }
 
+void CPPCodeGenerator::writeType(const Type& type) {
+    if (type.kind() == Type::kStruct_Kind) {
+        INHERITED::writeType(type);
+    } else {
+        this->write(type.name());
+    }
+}
 void CPPCodeGenerator::writeBinaryExpression(const BinaryExpression& b,
                                              Precedence parentPrecedence) {
     if (b.fOperator == Token::PERCENT) {
@@ -114,14 +121,14 @@
     const char* name = type.name().c_str();
     if (!strcmp(name, "float")) {
         return "0.0";
-    } else if (!strcmp(name, "vec2")) {
-        return "vec2(0.0)";
-    } else if (!strcmp(name, "vec3")) {
-        return "vec3(0.0)";
-    } else if (!strcmp(name, "vec4")) {
-        return "vec4(0.0)";
-    } else if (!strcmp(name, "mat4") || !strcmp(name, "colorSpaceXform")) {
-        return "mat4(1.0)";
+    } else if (!strcmp(name, "float2")) {
+        return "float2(0.0)";
+    } else if (!strcmp(name, "float3")) {
+        return "float30.0)";
+    } else if (!strcmp(name, "float4")) {
+        return "float4(0.0)";
+    } else if (!strcmp(name, "floatt4x4") || !strcmp(name, "colorSpaceXform")) {
+        return "float4x4(1.0)";
     }
     ABORT("unsupported default_value type\n");
 }
@@ -143,8 +150,8 @@
     } else if (type == *fContext.fBool_Type) {
         this->write("%s");
         fFormatArgs.push_back("(" + cppCode + " ? \"true\" : \"false\")");
-    } else if (type == *fContext.fVec2_Type) {
-        this->write("vec2(%f, %f)");
+    } else if (type == *fContext.fFloat2_Type) {
+        this->write("float2(%f, %f)");
         fFormatArgs.push_back(cppCode + ".fX");
         fFormatArgs.push_back(cppCode + ".fY");
     } else {
@@ -178,7 +185,7 @@
     switch (ref.fVariable.fModifiers.fLayout.fBuiltin) {
         case SK_INCOLOR_BUILTIN:
             this->write("%s");
-            fFormatArgs.push_back(String("args.fInputColor ? args.fInputColor : \"vec4(1)\""));
+            fFormatArgs.push_back(String("args.fInputColor ? args.fInputColor : \"float4(1)\""));
             break;
         case SK_OUTCOLOR_BUILTIN:
             this->write("%s");
@@ -242,7 +249,7 @@
 void CPPCodeGenerator::writeFunctionCall(const FunctionCall& c) {
     if (c.fFunction.fBuiltin && c.fFunction.fName == "COLORSPACE") {
         String tmpVar = "_tmpVar" + to_string(++fVarCount);
-        fFunctionHeader += "vec4 " + tmpVar + ";";
+        fFunctionHeader += "float4 " + tmpVar + ";";
         ASSERT(c.fArguments.size() == 2);
         this->write("%s");
         fFormatArgs.push_back("fColorSpaceHelper.isValid() ? \"(" + tmpVar + " = \" : \"\"");
@@ -250,8 +257,9 @@
         ASSERT(c.fArguments[1]->fKind == Expression::kVariableReference_Kind);
         String xform("args.fUniformHandler->getUniformCStr(fColorSpaceHelper.gamutXformUniform())");
         this->write("%s");
-        fFormatArgs.push_back("fColorSpaceHelper.isValid() ? SkStringPrintf(\", vec4(clamp((%s * vec4(" + tmpVar + ".rgb, 1.0)).rgb, 0.0, " + tmpVar +
-                              ".a), " + tmpVar + ".a))\", " + xform + ").c_str() : \"\"");
+        fFormatArgs.push_back("fColorSpaceHelper.isValid() ? SkStringPrintf(\", "
+                              "float4(clamp((%s * float4(" + tmpVar + ".rgb, 1.0)).rgb, 0.0, " +
+                              tmpVar + ".a), " + tmpVar + ".a))\", " + xform + ").c_str() : \"\"");
         return;
     }
     INHERITED::writeFunctionCall(c);
@@ -336,11 +344,11 @@
     const char* type;
     if (var.fType == *fContext.fFloat_Type) {
         type = "kFloat_GrSLType";
-    } else if (var.fType == *fContext.fVec2_Type) {
+    } else if (var.fType == *fContext.fFloat2_Type) {
         type = "kVec2f_GrSLType";
-    } else if (var.fType == *fContext.fVec4_Type) {
+    } else if (var.fType == *fContext.fFloat4_Type) {
         type = "kVec4f_GrSLType";
-    } else if (var.fType == *fContext.fMat4x4_Type ||
+    } else if (var.fType == *fContext.fFloat4x4_Type ||
                var.fType == *fContext.fColorSpaceXform_Type) {
         type = "kMat44f_GrSLType";
     } else {
@@ -440,11 +448,11 @@
                 this->writef("        {\n");
             }
             const char* name = u->fName.c_str();
-            if (u->fType == *fContext.fVec4_Type) {
+            if (u->fType == *fContext.fFloat4_Type) {
                 this->writef("        const SkRect %sValue = _outer.%s();\n"
                              "        %s.set4fv(%sVar, 1, (float*) &%sValue);\n",
                              name, name, pdman, HCodeGenerator::FieldName(name).c_str(), name);
-            } else if (u->fType == *fContext.fMat4x4_Type) {
+            } else if (u->fType == *fContext.fFloat4x4_Type) {
                 this->writef("        float %sValue[16];\n"
                              "        _outer.%s().asColMajorf(%sValue);\n"
                              "        %s.setMatrix4f(%sVar, %sValue);\n",
@@ -528,14 +536,14 @@
         }
         switch (param->fModifiers.fLayout.fKey) {
             case Layout::kKey_Key:
-                if (param->fType == *fContext.fMat4x4_Type) {
-                    ABORT("no automatic key handling for mat4\n");
-                } else if (param->fType == *fContext.fVec2_Type) {
+                if (param->fType == *fContext.fFloat4x4_Type) {
+                    ABORT("no automatic key handling for float4x4\n");
+                } else if (param->fType == *fContext.fFloat2_Type) {
                     this->writef("    b->add32(%s.fX);\n",
                                  HCodeGenerator::FieldName(name).c_str());
                     this->writef("    b->add32(%s.fY);\n",
                                  HCodeGenerator::FieldName(name).c_str());
-                } else if (param->fType == *fContext.fVec4_Type) {
+                } else if (param->fType == *fContext.fFloat4_Type) {
                     this->writef("    b->add32(%s.x());\n",
                                  HCodeGenerator::FieldName(name).c_str());
                     this->writef("    b->add32(%s.y());\n",
diff --git a/src/sksl/SkSLCPPCodeGenerator.h b/src/sksl/SkSLCPPCodeGenerator.h
index 7f60563..8b30151 100644
--- a/src/sksl/SkSLCPPCodeGenerator.h
+++ b/src/sksl/SkSLCPPCodeGenerator.h
@@ -33,6 +33,8 @@
 
     void writePrecisionModifier() override;
 
+    void writeType(const Type& type) override;
+
     void writeBinaryExpression(const BinaryExpression& b, Precedence parentPrecedence) override;
 
     void writeIndexExpression(const IndexExpression& i) override;
diff --git a/src/sksl/SkSLCompiler.cpp b/src/sksl/SkSLCompiler.cpp
index 0584ff1..d96515c 100644
--- a/src/sksl/SkSLCompiler.cpp
+++ b/src/sksl/SkSLCompiler.cpp
@@ -65,37 +65,34 @@
                                                    fContext.f ## t ## _Type.get())
     ADD_TYPE(Void);
     ADD_TYPE(Float);
-    ADD_TYPE(Vec2);
-    ADD_TYPE(Vec3);
-    ADD_TYPE(Vec4);
+    ADD_TYPE(Float2);
+    ADD_TYPE(Float3);
+    ADD_TYPE(Float4);
     ADD_TYPE(Double);
-    ADD_TYPE(DVec2);
-    ADD_TYPE(DVec3);
-    ADD_TYPE(DVec4);
+    ADD_TYPE(Double2);
+    ADD_TYPE(Double3);
+    ADD_TYPE(Double4);
     ADD_TYPE(Int);
-    ADD_TYPE(IVec2);
-    ADD_TYPE(IVec3);
-    ADD_TYPE(IVec4);
+    ADD_TYPE(Int2);
+    ADD_TYPE(Int3);
+    ADD_TYPE(Int4);
     ADD_TYPE(UInt);
-    ADD_TYPE(UVec2);
-    ADD_TYPE(UVec3);
-    ADD_TYPE(UVec4);
+    ADD_TYPE(UInt2);
+    ADD_TYPE(UInt3);
+    ADD_TYPE(UInt4);
     ADD_TYPE(Bool);
-    ADD_TYPE(BVec2);
-    ADD_TYPE(BVec3);
-    ADD_TYPE(BVec4);
-    ADD_TYPE(Mat2x2);
-    types->addWithoutOwnership(String("mat2x2"), fContext.fMat2x2_Type.get());
-    ADD_TYPE(Mat2x3);
-    ADD_TYPE(Mat2x4);
-    ADD_TYPE(Mat3x2);
-    ADD_TYPE(Mat3x3);
-    types->addWithoutOwnership(String("mat3x3"), fContext.fMat3x3_Type.get());
-    ADD_TYPE(Mat3x4);
-    ADD_TYPE(Mat4x2);
-    ADD_TYPE(Mat4x3);
-    ADD_TYPE(Mat4x4);
-    types->addWithoutOwnership(String("mat4x4"), fContext.fMat4x4_Type.get());
+    ADD_TYPE(Bool2);
+    ADD_TYPE(Bool3);
+    ADD_TYPE(Bool4);
+    ADD_TYPE(Float2x2);
+    ADD_TYPE(Float2x3);
+    ADD_TYPE(Float2x4);
+    ADD_TYPE(Float3x2);
+    ADD_TYPE(Float3x3);
+    ADD_TYPE(Float3x4);
+    ADD_TYPE(Float4x2);
+    ADD_TYPE(Float4x3);
+    ADD_TYPE(Float4x4);
     ADD_TYPE(GenType);
     ADD_TYPE(GenDType);
     ADD_TYPE(GenIType);
@@ -649,48 +646,48 @@
                     if (is_constant(*bin->fLeft, 1)) {
                         if (bin->fLeft->fType.kind() == Type::kVector_Kind &&
                             bin->fRight->fType.kind() == Type::kScalar_Kind) {
-                            // vec4(1) * x -> vec4(x)
+                            // float4(1) * x -> float4(x)
                             vectorize_right(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // 1 * x -> x
-                            // 1 * vec4(x) -> vec4(x)
-                            // vec4(1) * vec4(x) -> vec4(x)
+                            // 1 * float4(x) -> float4(x)
+                            // float4(1) * float4(x) -> float4(x)
                             delete_left(&b, iter, outUpdated, outNeedsRescan);
                         }
                     }
                     else if (is_constant(*bin->fLeft, 0)) {
                         if (bin->fLeft->fType.kind() == Type::kScalar_Kind &&
                             bin->fRight->fType.kind() == Type::kVector_Kind) {
-                            // 0 * vec4(x) -> vec4(0)
+                            // 0 * float4(x) -> float4(0)
                             vectorize_left(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // 0 * x -> 0
-                            // vec4(0) * x -> vec4(0)
-                            // vec4(0) * vec4(x) -> vec4(0)
+                            // float4(0) * x -> float4(0)
+                            // float4(0) * float4(x) -> float4(0)
                             delete_right(&b, iter, outUpdated, outNeedsRescan);
                         }
                     }
                     else if (is_constant(*bin->fRight, 1)) {
                         if (bin->fLeft->fType.kind() == Type::kScalar_Kind &&
                             bin->fRight->fType.kind() == Type::kVector_Kind) {
-                            // x * vec4(1) -> vec4(x)
+                            // x * float4(1) -> float4(x)
                             vectorize_left(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // x * 1 -> x
-                            // vec4(x) * 1 -> vec4(x)
-                            // vec4(x) * vec4(1) -> vec4(x)
+                            // float4(x) * 1 -> float4(x)
+                            // float4(x) * float4(1) -> float4(x)
                             delete_right(&b, iter, outUpdated, outNeedsRescan);
                         }
                     }
                     else if (is_constant(*bin->fRight, 0)) {
                         if (bin->fLeft->fType.kind() == Type::kVector_Kind &&
                             bin->fRight->fType.kind() == Type::kScalar_Kind) {
-                            // vec4(x) * 0 -> vec4(0)
+                            // float4(x) * 0 -> float4(0)
                             vectorize_right(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // x * 0 -> 0
-                            // x * vec4(0) -> vec4(0)
-                            // vec4(x) * vec4(0) -> vec4(0)
+                            // x * float4(0) -> float4(0)
+                            // float4(x) * float4(0) -> float4(0)
                             delete_left(&b, iter, outUpdated, outNeedsRescan);
                         }
                     }
@@ -699,23 +696,23 @@
                     if (is_constant(*bin->fLeft, 0)) {
                         if (bin->fLeft->fType.kind() == Type::kVector_Kind &&
                             bin->fRight->fType.kind() == Type::kScalar_Kind) {
-                            // vec4(0) + x -> vec4(x)
+                            // float4(0) + x -> float4(x)
                             vectorize_right(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // 0 + x -> x
-                            // 0 + vec4(x) -> vec4(x)
-                            // vec4(0) + vec4(x) -> vec4(x)
+                            // 0 + float4(x) -> float4(x)
+                            // float4(0) + float4(x) -> float4(x)
                             delete_left(&b, iter, outUpdated, outNeedsRescan);
                         }
                     } else if (is_constant(*bin->fRight, 0)) {
                         if (bin->fLeft->fType.kind() == Type::kScalar_Kind &&
                             bin->fRight->fType.kind() == Type::kVector_Kind) {
-                            // x + vec4(0) -> vec4(x)
+                            // x + float4(0) -> float4(x)
                             vectorize_left(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // x + 0 -> x
-                            // vec4(x) + 0 -> vec4(x)
-                            // vec4(x) + vec4(0) -> vec4(x)
+                            // float4(x) + 0 -> float4(x)
+                            // float4(x) + float4(0) -> float4(x)
                             delete_right(&b, iter, outUpdated, outNeedsRescan);
                         }
                     }
@@ -724,12 +721,12 @@
                     if (is_constant(*bin->fRight, 0)) {
                         if (bin->fLeft->fType.kind() == Type::kScalar_Kind &&
                             bin->fRight->fType.kind() == Type::kVector_Kind) {
-                            // x - vec4(0) -> vec4(x)
+                            // x - float4(0) -> float4(x)
                             vectorize_left(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // x - 0 -> x
-                            // vec4(x) - 0 -> vec4(x)
-                            // vec4(x) - vec4(0) -> vec4(x)
+                            // float4(x) - 0 -> float4(x)
+                            // float4(x) - float4(0) -> float4(x)
                             delete_right(&b, iter, outUpdated, outNeedsRescan);
                         }
                     }
@@ -738,23 +735,23 @@
                     if (is_constant(*bin->fRight, 1)) {
                         if (bin->fLeft->fType.kind() == Type::kScalar_Kind &&
                             bin->fRight->fType.kind() == Type::kVector_Kind) {
-                            // x / vec4(1) -> vec4(x)
+                            // x / float4(1) -> float4(x)
                             vectorize_left(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // x / 1 -> x
-                            // vec4(x) / 1 -> vec4(x)
-                            // vec4(x) / vec4(1) -> vec4(x)
+                            // float4(x) / 1 -> float4(x)
+                            // float4(x) / float4(1) -> float4(x)
                             delete_right(&b, iter, outUpdated, outNeedsRescan);
                         }
                     } else if (is_constant(*bin->fLeft, 0)) {
                         if (bin->fLeft->fType.kind() == Type::kScalar_Kind &&
                             bin->fRight->fType.kind() == Type::kVector_Kind) {
-                            // 0 / vec4(x) -> vec4(0)
+                            // 0 / float4(x) -> float4(0)
                             vectorize_left(&b, iter, outUpdated, outNeedsRescan);
                         } else {
                             // 0 / x -> 0
-                            // vec4(0) / x -> vec4(0)
-                            // vec4(0) / vec4(x) -> vec4(0)
+                            // float4(0) / x -> float4(0)
+                            // float4(0) / float4(x) -> float4(0)
                             delete_right(&b, iter, outUpdated, outNeedsRescan);
                         }
                     }
diff --git a/src/sksl/SkSLContext.h b/src/sksl/SkSLContext.h
index 1155af4..2de584f 100644
--- a/src/sksl/SkSLContext.h
+++ b/src/sksl/SkSLContext.h
@@ -22,44 +22,44 @@
     : fInvalid_Type(new Type(String("<INVALID>")))
     , fVoid_Type(new Type(String("void")))
     , fDouble_Type(new Type(String("double"), true))
-    , fDVec2_Type(new Type(String("dvec2"), *fDouble_Type, 2))
-    , fDVec3_Type(new Type(String("dvec3"), *fDouble_Type, 3))
-    , fDVec4_Type(new Type(String("dvec4"), *fDouble_Type, 4))
+    , fDouble2_Type(new Type(String("double2"), *fDouble_Type, 2))
+    , fDouble3_Type(new Type(String("double3"), *fDouble_Type, 3))
+    , fDouble4_Type(new Type(String("double4"), *fDouble_Type, 4))
     , fFloat_Type(new Type(String("float"), true, { fDouble_Type.get() }))
-    , fVec2_Type(new Type(String("vec2"), *fFloat_Type, 2))
-    , fVec3_Type(new Type(String("vec3"), *fFloat_Type, 3))
-    , fVec4_Type(new Type(String("vec4"), *fFloat_Type, 4))
+    , fFloat2_Type(new Type(String("float2"), *fFloat_Type, 2))
+    , fFloat3_Type(new Type(String("float3"), *fFloat_Type, 3))
+    , fFloat4_Type(new Type(String("float4"), *fFloat_Type, 4))
     , fUInt_Type(new Type(String("uint"), true, { fFloat_Type.get(), fDouble_Type.get() }))
-    , fUVec2_Type(new Type(String("uvec2"), *fUInt_Type, 2))
-    , fUVec3_Type(new Type(String("uvec3"), *fUInt_Type, 3))
-    , fUVec4_Type(new Type(String("uvec4"), *fUInt_Type, 4))
+    , fUInt2_Type(new Type(String("uint2"), *fUInt_Type, 2))
+    , fUInt3_Type(new Type(String("uint3"), *fUInt_Type, 3))
+    , fUInt4_Type(new Type(String("uint4"), *fUInt_Type, 4))
     , fInt_Type(new Type(String("int"), true, { fUInt_Type.get(), fFloat_Type.get(),
                                                   fDouble_Type.get() }))
-    , fIVec2_Type(new Type(String("ivec2"), *fInt_Type, 2))
-    , fIVec3_Type(new Type(String("ivec3"), *fInt_Type, 3))
-    , fIVec4_Type(new Type(String("ivec4"), *fInt_Type, 4))
+    , fInt2_Type(new Type(String("int2"), *fInt_Type, 2))
+    , fInt3_Type(new Type(String("int3"), *fInt_Type, 3))
+    , fInt4_Type(new Type(String("int4"), *fInt_Type, 4))
     , fBool_Type(new Type(String("bool"), false))
-    , fBVec2_Type(new Type(String("bvec2"), *fBool_Type, 2))
-    , fBVec3_Type(new Type(String("bvec3"), *fBool_Type, 3))
-    , fBVec4_Type(new Type(String("bvec4"), *fBool_Type, 4))
-    , fMat2x2_Type(new Type(String("mat2"),   *fFloat_Type, 2, 2))
-    , fMat2x3_Type(new Type(String("mat2x3"), *fFloat_Type, 2, 3))
-    , fMat2x4_Type(new Type(String("mat2x4"), *fFloat_Type, 2, 4))
-    , fMat3x2_Type(new Type(String("mat3x2"), *fFloat_Type, 3, 2))
-    , fMat3x3_Type(new Type(String("mat3"),   *fFloat_Type, 3, 3))
-    , fMat3x4_Type(new Type(String("mat3x4"), *fFloat_Type, 3, 4))
-    , fMat4x2_Type(new Type(String("mat4x2"), *fFloat_Type, 4, 2))
-    , fMat4x3_Type(new Type(String("mat4x3"), *fFloat_Type, 4, 3))
-    , fMat4x4_Type(new Type(String("mat4"),   *fFloat_Type, 4, 4))
-    , fDMat2x2_Type(new Type(String("dmat2"),   *fFloat_Type, 2, 2))
-    , fDMat2x3_Type(new Type(String("dmat2x3"), *fFloat_Type, 2, 3))
-    , fDMat2x4_Type(new Type(String("dmat2x4"), *fFloat_Type, 2, 4))
-    , fDMat3x2_Type(new Type(String("dmat3x2"), *fFloat_Type, 3, 2))
-    , fDMat3x3_Type(new Type(String("dmat3"),   *fFloat_Type, 3, 3))
-    , fDMat3x4_Type(new Type(String("dmat3x4"), *fFloat_Type, 3, 4))
-    , fDMat4x2_Type(new Type(String("dmat4x2"), *fFloat_Type, 4, 2))
-    , fDMat4x3_Type(new Type(String("dmat4x3"), *fFloat_Type, 4, 3))
-    , fDMat4x4_Type(new Type(String("dmat4"),   *fFloat_Type, 4, 4))
+    , fBool2_Type(new Type(String("bool2"), *fBool_Type, 2))
+    , fBool3_Type(new Type(String("bool3"), *fBool_Type, 3))
+    , fBool4_Type(new Type(String("bool4"), *fBool_Type, 4))
+    , fFloat2x2_Type(new Type(String("float2x2"),   *fFloat_Type, 2, 2))
+    , fFloat2x3_Type(new Type(String("float2x3"), *fFloat_Type, 2, 3))
+    , fFloat2x4_Type(new Type(String("float2x4"), *fFloat_Type, 2, 4))
+    , fFloat3x2_Type(new Type(String("float3x2"), *fFloat_Type, 3, 2))
+    , fFloat3x3_Type(new Type(String("float3x3"),   *fFloat_Type, 3, 3))
+    , fFloat3x4_Type(new Type(String("float3x4"), *fFloat_Type, 3, 4))
+    , fFloat4x2_Type(new Type(String("float4x2"), *fFloat_Type, 4, 2))
+    , fFloat4x3_Type(new Type(String("float4x3"), *fFloat_Type, 4, 3))
+    , fFloat4x4_Type(new Type(String("float4x4"),   *fFloat_Type, 4, 4))
+    , fDouble2x2_Type(new Type(String("double2x2"),   *fFloat_Type, 2, 2))
+    , fDouble2x3_Type(new Type(String("double2x3"), *fFloat_Type, 2, 3))
+    , fDouble2x4_Type(new Type(String("double2x4"), *fFloat_Type, 2, 4))
+    , fDouble3x2_Type(new Type(String("double3x2"), *fFloat_Type, 3, 2))
+    , fDouble3x3_Type(new Type(String("double3x3"),   *fFloat_Type, 3, 3))
+    , fDouble3x4_Type(new Type(String("double3x4"), *fFloat_Type, 3, 4))
+    , fDouble4x2_Type(new Type(String("double4x2"), *fFloat_Type, 4, 2))
+    , fDouble4x3_Type(new Type(String("double4x3"), *fFloat_Type, 4, 3))
+    , fDouble4x4_Type(new Type(String("double4x4"),   *fFloat_Type, 4, 4))
     , fSampler1D_Type(new Type(String("sampler1D"), SpvDim1D, false, false, false, true))
     , fSampler2D_Type(new Type(String("sampler2D"), SpvDim2D, false, false, false, true))
     , fSampler3D_Type(new Type(String("sampler3D"), SpvDim3D, false, false, false, true))
@@ -116,39 +116,39 @@
                                            static_type(*fSampler2DArrayShadow_Type)))
     , fGSamplerCubeArrayShadow_Type(new Type(String("$gsamplerCubeArrayShadow"),
                                              static_type(*fSamplerCubeArrayShadow_Type)))
-    , fGenType_Type(new Type(String("$genType"), { fFloat_Type.get(), fVec2_Type.get(),
-                                                     fVec3_Type.get(), fVec4_Type.get() }))
-    , fGenDType_Type(new Type(String("$genDType"), { fDouble_Type.get(), fDVec2_Type.get(),
-                                                       fDVec3_Type.get(), fDVec4_Type.get() }))
-    , fGenIType_Type(new Type(String("$genIType"), { fInt_Type.get(), fIVec2_Type.get(),
-                                                       fIVec3_Type.get(), fIVec4_Type.get() }))
-    , fGenUType_Type(new Type(String("$genUType"), { fUInt_Type.get(), fUVec2_Type.get(),
-                                                       fUVec3_Type.get(), fUVec4_Type.get() }))
-    , fGenBType_Type(new Type(String("$genBType"), { fBool_Type.get(), fBVec2_Type.get(),
-                                                       fBVec3_Type.get(), fBVec4_Type.get() }))
-    , fMat_Type(new Type(String("$mat"), { fMat2x2_Type.get(), fMat2x3_Type.get(),
-                                             fMat2x4_Type.get(), fMat3x2_Type.get(),
-                                             fMat3x3_Type.get(), fMat3x4_Type.get(),
-                                             fMat4x2_Type.get(), fMat4x3_Type.get(),
-                                             fMat4x4_Type.get(), fDMat2x2_Type.get(),
-                                             fDMat2x3_Type.get(), fDMat2x4_Type.get(),
-                                             fDMat3x2_Type.get(), fDMat3x3_Type.get(),
-                                             fDMat3x4_Type.get(), fDMat4x2_Type.get(),
-                                             fDMat4x3_Type.get(), fDMat4x4_Type.get() }))
-    , fVec_Type(new Type(String("$vec"), { fInvalid_Type.get(), fVec2_Type.get(),
-                                             fVec3_Type.get(), fVec4_Type.get() }))
+    , fGenType_Type(new Type(String("$genType"), { fFloat_Type.get(), fFloat2_Type.get(),
+                                                   fFloat3_Type.get(), fFloat4_Type.get() }))
+    , fGenDType_Type(new Type(String("$genDType"), { fDouble_Type.get(), fDouble2_Type.get(),
+                                                     fDouble3_Type.get(), fDouble4_Type.get() }))
+    , fGenIType_Type(new Type(String("$genIType"), { fInt_Type.get(), fInt2_Type.get(),
+                                                     fInt3_Type.get(), fInt4_Type.get() }))
+    , fGenUType_Type(new Type(String("$genUType"), { fUInt_Type.get(), fUInt2_Type.get(),
+                                                     fUInt3_Type.get(), fUInt4_Type.get() }))
+    , fGenBType_Type(new Type(String("$genBType"), { fBool_Type.get(), fBool2_Type.get(),
+                                                     fBool3_Type.get(), fBool4_Type.get() }))
+    , fMat_Type(new Type(String("$mat"), { fFloat2x2_Type.get(),  fFloat2x3_Type.get(),
+                                           fFloat2x4_Type.get(),  fFloat3x2_Type.get(),
+                                           fFloat3x3_Type.get(),  fFloat3x4_Type.get(),
+                                           fFloat4x2_Type.get(),  fFloat4x3_Type.get(),
+                                           fFloat4x4_Type.get(),  fDouble2x2_Type.get(),
+                                           fDouble2x3_Type.get(), fDouble2x4_Type.get(),
+                                           fDouble3x2_Type.get(), fDouble3x3_Type.get(),
+                                           fDouble3x4_Type.get(), fDouble4x2_Type.get(),
+                                           fDouble4x3_Type.get(), fDouble4x4_Type.get() }))
+    , fVec_Type(new Type(String("$vec"), { fInvalid_Type.get(), fFloat2_Type.get(),
+                                           fFloat3_Type.get(), fFloat4_Type.get() }))
     , fGVec_Type(new Type(String("$gvec")))
-    , fGVec2_Type(new Type(String("$gvec2")))
-    , fGVec3_Type(new Type(String("$gvec3")))
-    , fGVec4_Type(new Type(String("$gvec4"), static_type(*fVec4_Type)))
-    , fDVec_Type(new Type(String("$dvec"), { fInvalid_Type.get(), fDVec2_Type.get(),
-                                              fDVec3_Type.get(), fDVec4_Type.get() }))
-    , fIVec_Type(new Type(String("$ivec"), { fInvalid_Type.get(), fIVec2_Type.get(),
-                                               fIVec3_Type.get(), fIVec4_Type.get() }))
-    , fUVec_Type(new Type(String("$uvec"), { fInvalid_Type.get(), fUVec2_Type.get(),
-                                               fUVec3_Type.get(), fUVec4_Type.get() }))
-    , fBVec_Type(new Type(String("$bvec"), { fInvalid_Type.get(), fBVec2_Type.get(),
-                                               fBVec3_Type.get(), fBVec4_Type.get() }))
+    , fGVec2_Type(new Type(String("$gfloat2")))
+    , fGVec3_Type(new Type(String("$gfloat3")))
+    , fGVec4_Type(new Type(String("$gfloat4"), static_type(*fFloat4_Type)))
+    , fDVec_Type(new Type(String("$dvec"), { fInvalid_Type.get(), fDouble2_Type.get(),
+                                             fDouble3_Type.get(), fDouble4_Type.get() }))
+    , fIVec_Type(new Type(String("$ivec"), { fInvalid_Type.get(), fInt2_Type.get(),
+                                             fInt3_Type.get(), fInt4_Type.get() }))
+    , fUVec_Type(new Type(String("$uvec"), { fInvalid_Type.get(), fUInt2_Type.get(),
+                                             fUInt3_Type.get(), fUInt4_Type.get() }))
+    , fBVec_Type(new Type(String("$bvec"), { fInvalid_Type.get(), fBool2_Type.get(),
+                                             fBool3_Type.get(), fBool4_Type.get() }))
     , fSkCaps_Type(new Type(String("$sk_Caps")))
     , fSkArgs_Type(new Type(String("$sk_Args")))
     , fColorSpaceXform_Type(new Type(String("colorSpaceXform"), *fFloat_Type, 4, 4))
@@ -162,49 +162,49 @@
     const std::unique_ptr<Type> fVoid_Type;
 
     const std::unique_ptr<Type> fDouble_Type;
-    const std::unique_ptr<Type> fDVec2_Type;
-    const std::unique_ptr<Type> fDVec3_Type;
-    const std::unique_ptr<Type> fDVec4_Type;
+    const std::unique_ptr<Type> fDouble2_Type;
+    const std::unique_ptr<Type> fDouble3_Type;
+    const std::unique_ptr<Type> fDouble4_Type;
 
     const std::unique_ptr<Type> fFloat_Type;
-    const std::unique_ptr<Type> fVec2_Type;
-    const std::unique_ptr<Type> fVec3_Type;
-    const std::unique_ptr<Type> fVec4_Type;
+    const std::unique_ptr<Type> fFloat2_Type;
+    const std::unique_ptr<Type> fFloat3_Type;
+    const std::unique_ptr<Type> fFloat4_Type;
 
     const std::unique_ptr<Type> fUInt_Type;
-    const std::unique_ptr<Type> fUVec2_Type;
-    const std::unique_ptr<Type> fUVec3_Type;
-    const std::unique_ptr<Type> fUVec4_Type;
+    const std::unique_ptr<Type> fUInt2_Type;
+    const std::unique_ptr<Type> fUInt3_Type;
+    const std::unique_ptr<Type> fUInt4_Type;
 
     const std::unique_ptr<Type> fInt_Type;
-    const std::unique_ptr<Type> fIVec2_Type;
-    const std::unique_ptr<Type> fIVec3_Type;
-    const std::unique_ptr<Type> fIVec4_Type;
+    const std::unique_ptr<Type> fInt2_Type;
+    const std::unique_ptr<Type> fInt3_Type;
+    const std::unique_ptr<Type> fInt4_Type;
 
     const std::unique_ptr<Type> fBool_Type;
-    const std::unique_ptr<Type> fBVec2_Type;
-    const std::unique_ptr<Type> fBVec3_Type;
-    const std::unique_ptr<Type> fBVec4_Type;
+    const std::unique_ptr<Type> fBool2_Type;
+    const std::unique_ptr<Type> fBool3_Type;
+    const std::unique_ptr<Type> fBool4_Type;
 
-    const std::unique_ptr<Type> fMat2x2_Type;
-    const std::unique_ptr<Type> fMat2x3_Type;
-    const std::unique_ptr<Type> fMat2x4_Type;
-    const std::unique_ptr<Type> fMat3x2_Type;
-    const std::unique_ptr<Type> fMat3x3_Type;
-    const std::unique_ptr<Type> fMat3x4_Type;
-    const std::unique_ptr<Type> fMat4x2_Type;
-    const std::unique_ptr<Type> fMat4x3_Type;
-    const std::unique_ptr<Type> fMat4x4_Type;
+    const std::unique_ptr<Type> fFloat2x2_Type;
+    const std::unique_ptr<Type> fFloat2x3_Type;
+    const std::unique_ptr<Type> fFloat2x4_Type;
+    const std::unique_ptr<Type> fFloat3x2_Type;
+    const std::unique_ptr<Type> fFloat3x3_Type;
+    const std::unique_ptr<Type> fFloat3x4_Type;
+    const std::unique_ptr<Type> fFloat4x2_Type;
+    const std::unique_ptr<Type> fFloat4x3_Type;
+    const std::unique_ptr<Type> fFloat4x4_Type;
 
-    const std::unique_ptr<Type> fDMat2x2_Type;
-    const std::unique_ptr<Type> fDMat2x3_Type;
-    const std::unique_ptr<Type> fDMat2x4_Type;
-    const std::unique_ptr<Type> fDMat3x2_Type;
-    const std::unique_ptr<Type> fDMat3x3_Type;
-    const std::unique_ptr<Type> fDMat3x4_Type;
-    const std::unique_ptr<Type> fDMat4x2_Type;
-    const std::unique_ptr<Type> fDMat4x3_Type;
-    const std::unique_ptr<Type> fDMat4x4_Type;
+    const std::unique_ptr<Type> fDouble2x2_Type;
+    const std::unique_ptr<Type> fDouble2x3_Type;
+    const std::unique_ptr<Type> fDouble2x4_Type;
+    const std::unique_ptr<Type> fDouble3x2_Type;
+    const std::unique_ptr<Type> fDouble3x3_Type;
+    const std::unique_ptr<Type> fDouble3x4_Type;
+    const std::unique_ptr<Type> fDouble4x2_Type;
+    const std::unique_ptr<Type> fDouble4x3_Type;
+    const std::unique_ptr<Type> fDouble4x4_Type;
 
     const std::unique_ptr<Type> fSampler1D_Type;
     const std::unique_ptr<Type> fSampler2D_Type;
diff --git a/src/sksl/SkSLGLSLCodeGenerator.cpp b/src/sksl/SkSLGLSLCodeGenerator.cpp
index 4d3d3e3..330f145 100644
--- a/src/sksl/SkSLGLSLCodeGenerator.cpp
+++ b/src/sksl/SkSLGLSLCodeGenerator.cpp
@@ -75,7 +75,54 @@
         fIndentation--;
         this->write("}");
     } else {
-        this->write(type.name());
+        switch (type.kind()) {
+            case Type::kVector_Kind: {
+                Type component = type.componentType();
+                if (component == *fContext.fFloat_Type) {
+                    this->write("vec");
+                }
+                else if (component == *fContext.fDouble_Type) {
+                    this->write("dvec");
+                }
+                else if (component == *fContext.fInt_Type) {
+                    this->write("ivec");
+                }
+                else if (component == *fContext.fUInt_Type) {
+                    this->write("uvec");
+                }
+                else if (component == *fContext.fBool_Type) {
+                    this->write("bvec");
+                }
+                this->write(to_string(type.columns()));
+                break;
+            }
+            case Type::kMatrix_Kind: {
+                Type component = type.componentType();
+                if (component == *fContext.fFloat_Type) {
+                    this->write("mat");
+                }
+                else if (component == *fContext.fDouble_Type) {
+                    this->write("dmat");
+                }
+                this->write(to_string(type.columns()));
+                if (type.columns() != type.rows()) {
+                    this->write("x");
+                    this->write(to_string(type.rows()));
+                }
+                break;
+            }
+            case Type::kArray_Kind: {
+                this->writeType(type.componentType());
+                this->write("[");
+                if (type.columns() != -1) {
+                    this->write(to_string(type.columns()));
+                }
+                this->write("]");
+                break;
+            }
+            default:
+                this->write(type.name());
+        }
     }
 }
 
@@ -196,25 +243,25 @@
                 if (c.fArguments[1]->fType == *fContext.fFloat_Type) {
                     proj = false;
                 } else {
-                    ASSERT(c.fArguments[1]->fType == *fContext.fVec2_Type);
+                    ASSERT(c.fArguments[1]->fType == *fContext.fFloat2_Type);
                     proj = true;
                 }
                 break;
             case SpvDim2D:
                 dim = "2D";
-                if (c.fArguments[1]->fType == *fContext.fVec2_Type) {
+                if (c.fArguments[1]->fType == *fContext.fFloat2_Type) {
                     proj = false;
                 } else {
-                    ASSERT(c.fArguments[1]->fType == *fContext.fVec3_Type);
+                    ASSERT(c.fArguments[1]->fType == *fContext.fFloat3_Type);
                     proj = true;
                 }
                 break;
             case SpvDim3D:
                 dim = "3D";
-                if (c.fArguments[1]->fType == *fContext.fVec3_Type) {
+                if (c.fArguments[1]->fType == *fContext.fFloat3_Type) {
                     proj = false;
                 } else {
-                    ASSERT(c.fArguments[1]->fType == *fContext.fVec4_Type);
+                    ASSERT(c.fArguments[1]->fType == *fContext.fFloat4_Type);
                     proj = true;
                 }
                 break;
@@ -259,7 +306,8 @@
 }
 
 void GLSLCodeGenerator::writeConstructor(const Constructor& c) {
-    this->write(c.fType.name() + "(");
+    this->writeType(c.fType);
+    this->write("(");
     const char* separator = "";
     for (const auto& arg : c.fArguments) {
         this->write(separator);
@@ -292,7 +340,7 @@
             // The Adreno compiler seems to be very touchy about access to "gl_FragCoord".
             // Accessing glFragCoord.zw can cause a program to fail to link. Additionally,
             // depending on the surrounding code, accessing .xy with a uniform involved can
-            // do the same thing. Copying gl_FragCoord.xy into a temp vec2 beforehand
+            // do the same thing. Copying gl_FragCoord.xy into a temp float2beforehand
             // (and only accessing .xy) seems to "fix" things.
             const char* precision = fProgram.fSettings.fCaps->usesPrecisionModifiers() ? "highp "
                                                                                        : "";
diff --git a/src/sksl/SkSLGLSLCodeGenerator.h b/src/sksl/SkSLGLSLCodeGenerator.h
index 6fe25d3..115d89a 100644
--- a/src/sksl/SkSLGLSLCodeGenerator.h
+++ b/src/sksl/SkSLGLSLCodeGenerator.h
@@ -96,7 +96,7 @@
 
     virtual void writePrecisionModifier();
 
-    void writeType(const Type& type);
+    virtual void writeType(const Type& type);
 
     void writeExtension(const Extension& ext);
 
diff --git a/src/sksl/SkSLHCodeGenerator.cpp b/src/sksl/SkSLHCodeGenerator.cpp
index 13f6cd3..65dbf78 100644
--- a/src/sksl/SkSLHCodeGenerator.cpp
+++ b/src/sksl/SkSLHCodeGenerator.cpp
@@ -23,13 +23,13 @@
 , fSectionAndParameterHelper(*program, *errors) {}
 
 String HCodeGenerator::ParameterType(const Type& type) {
-    if (type.fName == "vec2") {
+    if (type.fName == "float2") {
         return "SkPoint";
-    } else if (type.fName == "ivec4") {
+    } else if (type.fName == "int4") {
         return "SkIRect";
-    } else if (type.fName == "vec4") {
+    } else if (type.fName == "float4") {
         return "SkRect";
-    } else if (type.fName == "mat4") {
+    } else if (type.fName == "float4x4") {
         return "SkMatrix44";
     } else if (type.kind() == Type::kSampler_Kind) {
         return "sk_sp<GrTextureProxy>";
diff --git a/src/sksl/SkSLIRGenerator.cpp b/src/sksl/SkSLIRGenerator.cpp
index 22e2642..3604cd9 100644
--- a/src/sksl/SkSLIRGenerator.cpp
+++ b/src/sksl/SkSLIRGenerator.cpp
@@ -923,7 +923,7 @@
         ASSERT(ctor);
         return this->call(Position(), std::move(ctor), std::move(args));
     }
-    if (type == *fContext.fColorSpaceXform_Type && expr->fType == *fContext.fMat4x4_Type) {
+    if (type == *fContext.fColorSpaceXform_Type && expr->fType == *fContext.fFloat4x4_Type) {
         return expr;
     }
     std::vector<std::unique_ptr<Expression>> args;
@@ -1290,10 +1290,10 @@
 }
 
 // scales the texture coordinates by the texture size for sampling rectangle textures.
-// For vec2 coordinates, implements the transformation:
+// For float2coordinates, implements the transformation:
 //     texture(sampler, coord) -> texture(sampler, textureSize(sampler) * coord)
-// For vec3 coordinates, implements the transformation:
-//     texture(sampler, coord) -> texture(sampler, vec3(textureSize(sampler), 1.0) * coord))
+// For float3coordinates, implements the transformation:
+//     texture(sampler, coord) -> texture(sampler, float3textureSize(sampler), 1.0) * coord))
 void IRGenerator::fixRectSampling(std::vector<std::unique_ptr<Expression>>& arguments) {
     ASSERT(arguments.size() == 2);
     ASSERT(arguments[0]->fType == *fContext.fSampler2DRect_Type);
@@ -1304,17 +1304,17 @@
     const FunctionDeclaration& textureSize = (FunctionDeclaration&) *textureSizeSymbol;
     std::vector<std::unique_ptr<Expression>> sizeArguments;
     sizeArguments.emplace_back(new VariableReference(Position(), sampler));
-    std::unique_ptr<Expression> vec2Size = call(Position(), textureSize, std::move(sizeArguments));
+    std::unique_ptr<Expression> float2ize = call(Position(), textureSize, std::move(sizeArguments));
     const Type& type = arguments[1]->fType;
     std::unique_ptr<Expression> scale;
-    if (type == *fContext.fVec2_Type) {
-        scale = std::move(vec2Size);
+    if (type == *fContext.fFloat2_Type) {
+        scale = std::move(float2ize);
     } else {
-        ASSERT(type == *fContext.fVec3_Type);
-        std::vector<std::unique_ptr<Expression>> vec3Arguments;
-        vec3Arguments.push_back(std::move(vec2Size));
-        vec3Arguments.emplace_back(new FloatLiteral(fContext, Position(), 1.0));
-        scale.reset(new Constructor(Position(), *fContext.fVec3_Type, std::move(vec3Arguments)));
+        ASSERT(type == *fContext.fFloat3_Type);
+        std::vector<std::unique_ptr<Expression>> float3rguments;
+        float3rguments.push_back(std::move(float2ize));
+        float3rguments.emplace_back(new FloatLiteral(fContext, Position(), 1.0));
+        scale.reset(new Constructor(Position(), *fContext.fFloat3_Type, std::move(float3rguments)));
     }
     arguments[1].reset(new BinaryExpression(Position(), std::move(scale), Token::STAR,
                                             std::move(arguments[1]), type));
diff --git a/src/sksl/SkSLSPIRVCodeGenerator.cpp b/src/sksl/SkSLSPIRVCodeGenerator.cpp
index 0e550b1..1f8f224 100644
--- a/src/sksl/SkSLSPIRVCodeGenerator.cpp
+++ b/src/sksl/SkSLSPIRVCodeGenerator.cpp
@@ -1333,7 +1333,7 @@
             std::vector<std::unique_ptr<Expression>> args;
             args.emplace_back(new FloatLiteral(fContext, Position(), 0.0));
             args.emplace_back(new FloatLiteral(fContext, Position(), 0.0));
-            Constructor ctor(Position(), *fContext.fVec2_Type, std::move(args));
+            Constructor ctor(Position(), *fContext.fFloat2_Type, std::move(args));
             SpvId coords = this->writeConstantVector(ctor);
             if (1 == c.fArguments.size()) {
                 this->writeInstruction(SpvOpImageRead,
@@ -1376,24 +1376,24 @@
             SpvOp_ op = SpvOpImageSampleImplicitLod;
             switch (c.fArguments[0]->fType.dimensions()) {
                 case SpvDim1D:
-                    if (c.fArguments[1]->fType == *fContext.fVec2_Type) {
+                    if (c.fArguments[1]->fType == *fContext.fFloat2_Type) {
                         op = SpvOpImageSampleProjImplicitLod;
                     } else {
                         ASSERT(c.fArguments[1]->fType == *fContext.fFloat_Type);
                     }
                     break;
                 case SpvDim2D:
-                    if (c.fArguments[1]->fType == *fContext.fVec3_Type) {
+                    if (c.fArguments[1]->fType == *fContext.fFloat3_Type) {
                         op = SpvOpImageSampleProjImplicitLod;
                     } else {
-                        ASSERT(c.fArguments[1]->fType == *fContext.fVec2_Type);
+                        ASSERT(c.fArguments[1]->fType == *fContext.fFloat2_Type);
                     }
                     break;
                 case SpvDim3D:
-                    if (c.fArguments[1]->fType == *fContext.fVec4_Type) {
+                    if (c.fArguments[1]->fType == *fContext.fFloat4_Type) {
                         op = SpvOpImageSampleProjImplicitLod;
                     } else {
-                        ASSERT(c.fArguments[1]->fType == *fContext.fVec3_Type);
+                        ASSERT(c.fArguments[1]->fType == *fContext.fFloat3_Type);
                     }
                     break;
                 case SpvDimCube:   // fall through
@@ -1935,8 +1935,8 @@
         // a virtual vector out of the concatenation of the left and right vectors, and then
         // select components from this virtual vector to make the result vector. For
         // instance, given:
-        // vec3 L = ...;
-        // vec3 R = ...;
+        // float3L = ...;
+        // float3R = ...;
         // L.xz = R.xy;
         // we end up with the virtual vector (L.x, L.y, L.z, R.x, R.y, R.z). Then we want
         // our result vector to look like (R.x, L.y, R.y), so we need to select indices
@@ -2083,7 +2083,7 @@
             fRTHeightFieldIndex = 0;
         }
         ASSERT(fRTHeightFieldIndex != (SpvId) -1);
-        // write vec4(gl_FragCoord.x, u_skRTHeight - gl_FragCoord.y, 0.0, 1.0)
+        // write float4(gl_FragCoord.x, u_skRTHeight - gl_FragCoord.y, 0.0, 1.0)
         SpvId xId = this->nextId();
         this->writeInstruction(SpvOpCompositeExtract, this->getType(*fContext.fFloat_Type), xId,
                                result, 0, out);
@@ -2110,7 +2110,7 @@
         SpvId oneId = writeFloatLiteral(one);
         SpvId flipped = this->nextId();
         this->writeOpCode(SpvOpCompositeConstruct, 7, out);
-        this->writeWord(this->getType(*fContext.fVec4_Type), out);
+        this->writeWord(this->getType(*fContext.fFloat4_Type), out);
         this->writeWord(flipped, out);
         this->writeWord(xId, out);
         this->writeWord(flippedYId, out);
@@ -2266,7 +2266,7 @@
     }
     // component type we are operating on: float, int, uint
     const Type* operandType;
-    // IR allows mismatched types in expressions (e.g. vec2 * float), but they need special handling
+    // IR allows mismatched types in expressions (e.g. float2* float), but they need special handling
     // in SPIR-V
     if (b.fLeft->fType != b.fRight->fType) {
         if (b.fLeft->fType.kind() == Type::kVector_Kind &&
diff --git a/src/sksl/ast/SkSLASTInterfaceBlock.h b/src/sksl/ast/SkSLASTInterfaceBlock.h
index e727ae9..f111f73 100644
--- a/src/sksl/ast/SkSLASTInterfaceBlock.h
+++ b/src/sksl/ast/SkSLASTInterfaceBlock.h
@@ -17,7 +17,7 @@
  * An interface block, as in:
  *
  * out gl_PerVertex {
- *   layout(builtin=0) vec4 gl_Position;
+ *   layout(builtin=0) float4 gl_Position;
  *   layout(builtin=1) float gl_PointSize;
  * };
  */
diff --git a/src/sksl/ir/SkSLConstructor.h b/src/sksl/ir/SkSLConstructor.h
index 05f4096..beed0f7 100644
--- a/src/sksl/ir/SkSLConstructor.h
+++ b/src/sksl/ir/SkSLConstructor.h
@@ -16,7 +16,7 @@
 namespace SkSL {
 
 /**
- * Represents the construction of a compound type, such as "vec2(x, y)".
+ * Represents the construction of a compound type, such as "float2x, y)".
  *
  * Vector constructors will always consist of either exactly 1 scalar, or a collection of vectors
  * and scalars totalling exactly the right number of scalar components.
diff --git a/src/sksl/ir/SkSLIndexExpression.h b/src/sksl/ir/SkSLIndexExpression.h
index 49633b6..c305365 100644
--- a/src/sksl/ir/SkSLIndexExpression.h
+++ b/src/sksl/ir/SkSLIndexExpression.h
@@ -21,17 +21,17 @@
     if (type.kind() == Type::kMatrix_Kind) {
         if (type.componentType() == *context.fFloat_Type) {
             switch (type.rows()) {
-                case 2: return *context.fVec2_Type;
-                case 3: return *context.fVec3_Type;
-                case 4: return *context.fVec4_Type;
+                case 2: return *context.fFloat2_Type;
+                case 3: return *context.fFloat3_Type;
+                case 4: return *context.fFloat4_Type;
                 default: ASSERT(false);
             }
         } else {
             ASSERT(type.componentType() == *context.fDouble_Type);
             switch (type.rows()) {
-                case 2: return *context.fDVec2_Type;
-                case 3: return *context.fDVec3_Type;
-                case 4: return *context.fDVec4_Type;
+                case 2: return *context.fDouble2_Type;
+                case 3: return *context.fDouble3_Type;
+                case 4: return *context.fDouble4_Type;
                 default: ASSERT(false);
             }
         }
diff --git a/src/sksl/ir/SkSLInterfaceBlock.h b/src/sksl/ir/SkSLInterfaceBlock.h
index fc6ccec..a28a6a1 100644
--- a/src/sksl/ir/SkSLInterfaceBlock.h
+++ b/src/sksl/ir/SkSLInterfaceBlock.h
@@ -18,7 +18,7 @@
  * An interface block, as in:
  *
  * out gl_PerVertex {
- *   layout(builtin=0) vec4 gl_Position;
+ *   layout(builtin=0) float4 gl_Position;
  *   layout(builtin=1) float gl_PointSize;
  * };
  *
diff --git a/src/sksl/ir/SkSLSwizzle.h b/src/sksl/ir/SkSLSwizzle.h
index 442e92f..9d7ca37 100644
--- a/src/sksl/ir/SkSLSwizzle.h
+++ b/src/sksl/ir/SkSLSwizzle.h
@@ -18,8 +18,8 @@
 
 /**
  * Given a type and a swizzle component count, returns the type that will result from swizzling. For
- * instance, swizzling a vec3 with two components will result in a vec2. It is possible to swizzle
- * with more components than the source vector, as in 'vec2(1).xxxx'.
+ * instance, swizzling a float3with two components will result in a float2 It is possible to swizzle
+ * with more components than the source vector, as in 'float21).xxxx'.
  */
 static const Type& get_type(const Context& context, Expression& value, size_t count) {
     const Type& base = value.fType.componentType();
@@ -28,40 +28,40 @@
     }
     if (base == *context.fFloat_Type) {
         switch (count) {
-            case 2: return *context.fVec2_Type;
-            case 3: return *context.fVec3_Type;
-            case 4: return *context.fVec4_Type;
+            case 2: return *context.fFloat2_Type;
+            case 3: return *context.fFloat3_Type;
+            case 4: return *context.fFloat4_Type;
         }
     } else if (base == *context.fDouble_Type) {
         switch (count) {
-            case 2: return *context.fDVec2_Type;
-            case 3: return *context.fDVec3_Type;
-            case 4: return *context.fDVec4_Type;
+            case 2: return *context.fDouble2_Type;
+            case 3: return *context.fDouble3_Type;
+            case 4: return *context.fDouble4_Type;
         }
     } else if (base == *context.fInt_Type) {
         switch (count) {
-            case 2: return *context.fIVec2_Type;
-            case 3: return *context.fIVec3_Type;
-            case 4: return *context.fIVec4_Type;
+            case 2: return *context.fInt2_Type;
+            case 3: return *context.fInt3_Type;
+            case 4: return *context.fInt4_Type;
         }
     } else if (base == *context.fUInt_Type) {
         switch (count) {
-            case 2: return *context.fUVec2_Type;
-            case 3: return *context.fUVec3_Type;
-            case 4: return *context.fUVec4_Type;
+            case 2: return *context.fUInt2_Type;
+            case 3: return *context.fUInt3_Type;
+            case 4: return *context.fUInt4_Type;
         }
     } else if (base == *context.fBool_Type) {
         switch (count) {
-            case 2: return *context.fBVec2_Type;
-            case 3: return *context.fBVec3_Type;
-            case 4: return *context.fBVec4_Type;
+            case 2: return *context.fBool2_Type;
+            case 3: return *context.fBool3_Type;
+            case 4: return *context.fBool4_Type;
         }
     }
     ABORT("cannot swizzle %s\n", value.description().c_str());
 }
 
 /**
- * Represents a vector swizzle operation such as 'vec2(1, 2, 3).zyx'.
+ * Represents a vector swizzle operation such as 'float21, 2, 3).zyx'.
  */
 struct Swizzle : public Expression {
     Swizzle(const Context& context, std::unique_ptr<Expression> base, std::vector<int> components)
@@ -74,7 +74,7 @@
     std::unique_ptr<Expression> constantPropagate(const IRGenerator& irGenerator,
                                                   const DefinitionMap& definitions) override {
         if (fBase->fKind == Expression::kConstructor_Kind && fBase->isConstant()) {
-            // we're swizzling a constant vector, e.g. vec4(1).x. Simplify it.
+            // we're swizzling a constant vector, e.g. float4(1).x. Simplify it.
             ASSERT(fBase->fKind == Expression::kConstructor_Kind);
             if (fType == *irGenerator.fContext.fInt_Type) {
                 ASSERT(fComponents.size() == 1);
diff --git a/src/sksl/ir/SkSLType.cpp b/src/sksl/ir/SkSLType.cpp
index 7516377..60d40cd 100644
--- a/src/sksl/ir/SkSLType.cpp
+++ b/src/sksl/ir/SkSLType.cpp
@@ -46,30 +46,30 @@
         switch (rows) {
             case 1:
                 switch (columns) {
-                    case 2: return *context.fVec2_Type;
-                    case 3: return *context.fVec3_Type;
-                    case 4: return *context.fVec4_Type;
+                    case 2: return *context.fFloat2_Type;
+                    case 3: return *context.fFloat3_Type;
+                    case 4: return *context.fFloat4_Type;
                     default: ABORT("unsupported vector column count (%d)", columns);
                 }
             case 2:
                 switch (columns) {
-                    case 2: return *context.fMat2x2_Type;
-                    case 3: return *context.fMat3x2_Type;
-                    case 4: return *context.fMat4x2_Type;
+                    case 2: return *context.fFloat2x2_Type;
+                    case 3: return *context.fFloat3x2_Type;
+                    case 4: return *context.fFloat4x2_Type;
                     default: ABORT("unsupported matrix column count (%d)", columns);
                 }
             case 3:
                 switch (columns) {
-                    case 2: return *context.fMat2x3_Type;
-                    case 3: return *context.fMat3x3_Type;
-                    case 4: return *context.fMat4x3_Type;
+                    case 2: return *context.fFloat2x3_Type;
+                    case 3: return *context.fFloat3x3_Type;
+                    case 4: return *context.fFloat4x3_Type;
                     default: ABORT("unsupported matrix column count (%d)", columns);
                 }
             case 4:
                 switch (columns) {
-                    case 2: return *context.fMat2x4_Type;
-                    case 3: return *context.fMat3x4_Type;
-                    case 4: return *context.fMat4x4_Type;
+                    case 2: return *context.fFloat2x4_Type;
+                    case 3: return *context.fFloat3x4_Type;
+                    case 4: return *context.fFloat4x4_Type;
                     default: ABORT("unsupported matrix column count (%d)", columns);
                 }
             default: ABORT("unsupported row count (%d)", rows);
@@ -78,30 +78,30 @@
         switch (rows) {
             case 1:
                 switch (columns) {
-                    case 2: return *context.fDVec2_Type;
-                    case 3: return *context.fDVec3_Type;
-                    case 4: return *context.fDVec4_Type;
+                    case 2: return *context.fDouble2_Type;
+                    case 3: return *context.fDouble3_Type;
+                    case 4: return *context.fDouble4_Type;
                     default: ABORT("unsupported vector column count (%d)", columns);
                 }
             case 2:
                 switch (columns) {
-                    case 2: return *context.fDMat2x2_Type;
-                    case 3: return *context.fDMat3x2_Type;
-                    case 4: return *context.fDMat4x2_Type;
+                    case 2: return *context.fDouble2x2_Type;
+                    case 3: return *context.fDouble3x2_Type;
+                    case 4: return *context.fDouble4x2_Type;
                     default: ABORT("unsupported matrix column count (%d)", columns);
                 }
             case 3:
                 switch (columns) {
-                    case 2: return *context.fDMat2x3_Type;
-                    case 3: return *context.fDMat3x3_Type;
-                    case 4: return *context.fDMat4x3_Type;
+                    case 2: return *context.fDouble2x3_Type;
+                    case 3: return *context.fDouble3x3_Type;
+                    case 4: return *context.fDouble4x3_Type;
                     default: ABORT("unsupported matrix column count (%d)", columns);
                 }
             case 4:
                 switch (columns) {
-                    case 2: return *context.fDMat2x4_Type;
-                    case 3: return *context.fDMat3x4_Type;
-                    case 4: return *context.fDMat4x4_Type;
+                    case 2: return *context.fDouble2x4_Type;
+                    case 3: return *context.fDouble3x4_Type;
+                    case 4: return *context.fDouble4x4_Type;
                     default: ABORT("unsupported matrix column count (%d)", columns);
                 }
             default: ABORT("unsupported row count (%d)", rows);
@@ -110,9 +110,9 @@
         switch (rows) {
             case 1:
                 switch (columns) {
-                    case 2: return *context.fIVec2_Type;
-                    case 3: return *context.fIVec3_Type;
-                    case 4: return *context.fIVec4_Type;
+                    case 2: return *context.fInt2_Type;
+                    case 3: return *context.fInt3_Type;
+                    case 4: return *context.fInt4_Type;
                     default: ABORT("unsupported vector column count (%d)", columns);
                 }
             default: ABORT("unsupported row count (%d)", rows);
@@ -121,9 +121,9 @@
         switch (rows) {
             case 1:
                 switch (columns) {
-                    case 2: return *context.fUVec2_Type;
-                    case 3: return *context.fUVec3_Type;
-                    case 4: return *context.fUVec4_Type;
+                    case 2: return *context.fUInt2_Type;
+                    case 3: return *context.fUInt3_Type;
+                    case 4: return *context.fUInt4_Type;
                     default: ABORT("unsupported vector column count (%d)", columns);
                 }
             default: ABORT("unsupported row count (%d)", rows);
@@ -132,9 +132,9 @@
         switch (rows) {
             case 1:
                 switch (columns) {
-                    case 2: return *context.fBVec2_Type;
-                    case 3: return *context.fBVec3_Type;
-                    case 4: return *context.fBVec4_Type;
+                    case 2: return *context.fBool2_Type;
+                    case 3: return *context.fBool3_Type;
+                    case 4: return *context.fBool4_Type;
                     default: ABORT("unsupported vector column count (%d)", columns);
                 }
             default: ABORT("unsupported row count (%d)", rows);
diff --git a/src/sksl/ir/SkSLType.h b/src/sksl/ir/SkSLType.h
index 44bc262..9d12263 100644
--- a/src/sksl/ir/SkSLType.h
+++ b/src/sksl/ir/SkSLType.h
@@ -21,7 +21,7 @@
 class Context;
 
 /**
- * Represents a type, such as int or vec4.
+ * Represents a type, such as int or float4.
  */
 class Type : public Symbol {
 public:
@@ -176,7 +176,7 @@
     }
 
     /**
-     * For matrices and vectors, returns the number of columns (e.g. both mat3 and vec3 return 3).
+     * For matrices and vectors, returns the number of columns (e.g. both mat3 and float3return 3).
      * For scalars, returns 1. For arrays, returns either the size of the array (if known) or -1.
      * For all other types, causes an assertion failure.
      */
diff --git a/src/sksl/sksl.include b/src/sksl/sksl.include
index 18a5516..5d905e3 100644
--- a/src/sksl/sksl.include
+++ b/src/sksl/sksl.include
@@ -104,29 +104,29 @@
 //$genDType frexp($genDType x, out $genIType exp);
 $genType ldexp($genType x, in $genIType exp);
 //$genDType ldexp($genDType x, in $genIType exp);
-uint packUnorm2x16(vec2 v);
-uint packSnorm2x16(vec2 v);
-uint packUnorm4x8(vec4 v);
-uint packSnorm4x8(vec4 v);
-vec2 unpackUnorm2x16(uint p);
-vec2 unpackSnorm2x16(uint p);
-vec4 unpackUnorm4x8(uint p);
-vec4 unpackSnorm4x8(uint p);
-//double packDouble2x32(uvec2 v);
-uvec2 unpackDouble2x32(double v);
-uint packHalf2x16(vec2 v);
-vec2 unpackHalf2x16(uint v);
+uint packUnorm2x16(float2 v);
+uint packSnorm2x16(float2 v);
+uint packUnorm4x8(float4 v);
+uint packSnorm4x8(float4 v);
+float2 unpackUnorm2x16(uint p);
+float2 unpackSnorm2x16(uint p);
+float4 unpackUnorm4x8(uint p);
+float4 unpackSnorm4x8(uint p);
+//double packDouble2x32(uint2 v);
+uint2 unpackDouble2x32(double v);
+uint packHalf2x16(float2 v);
+float2 unpackHalf2x16(uint v);
 float length($genType x);
 //double length($genDType x);
 float distance($genType p0, $genType p1);
 //double distance($genDType p0, $genDType p1);
 float dot($genType x, $genType y);
 //double dot($genDType x, $genDType y);
-vec3 cross(vec3 x, vec3 y);
-//dvec3 cross(dvec3 x, dvec3 y);
+float3 cross(float3 x, float3 y);
+//double3 cross(double3 x, double3 y);
 $genType normalize($genType x);
 //$genDType normalize($genDType x);
-vec4 ftransform();
+float4 ftransform();
 $genType faceforward($genType N, $genType I, $genType Nref);
 //$genDType faceforward($genDType N, $genDType I, $genDType Nref);
 $genType reflect($genType I, $genType N);
@@ -134,30 +134,30 @@
 $genType refract($genType I, $genType N, float eta);
 //$genDType refract($genDType I, $genDType N, float eta);
 $mat matrixCompMult($mat x, $mat y);
-mat2 outerProduct(vec2 c, vec2 r);
-mat3 outerProduct(vec3 c, vec3 r);
-mat4 outerProduct(vec4 c, vec4 r);
-mat2x3 outerProduct(vec3 c, vec2 r);
-mat3x2 outerProduct(vec2 c, vec3 r);
-mat2x4 outerProduct(vec4 c, vec2 r);
-mat4x2 outerProduct(vec2 c, vec4 r);
-mat3x4 outerProduct(vec4 c, vec3 r);
-mat4x3 outerProduct(vec3 c, vec4 r);
-mat2 transpose(mat2 m);
-mat3 transpose(mat3 m);
-mat4 transpose(mat4 m);
-mat2x3 transpose(mat3x2 m);
-mat3x2 transpose(mat2x3 m);
-mat2x4 transpose(mat4x2 m);
-mat4x2 transpose(mat2x4 m);
-mat3x4 transpose(mat4x3 m);
-mat4x3 transpose(mat3x4 m);
-float determinant(mat2 m);
-float determinant(mat3 m);
-float determinant(mat4 m);
-mat2 inverse(mat2 m);
-mat3 inverse(mat3 m);
-mat4 inverse(mat4 m);
+float2x2 outerProduct(float2 c, float2 r);
+float3x3 outerProduct(float3 c, float3 r);
+float4x3 outerProduct(float4 c, float4 r);
+float2x3 outerProduct(float3 c, float2 r);
+float3x2 outerProduct(float2 c, float3 r);
+float2x4 outerProduct(float4 c, float2 r);
+float4x2 outerProduct(float2 c, float4 r);
+float3x4 outerProduct(float4 c, float3 r);
+float4x3 outerProduct(float3 c, float4 r);
+float2x2 transpose(float2x2 m);
+float3x3 transpose(float3x3 m);
+float4x4 transpose(float4x4 m);
+float2x3 transpose(float3x2 m);
+float3x2 transpose(float2x3 m);
+float2x4 transpose(float4x2 m);
+float4x2 transpose(float2x4 m);
+float3x4 transpose(float4x3 m);
+float4x3 transpose(float3x4 m);
+float determinant(float2x2 m);
+float determinant(float3x3 m);
+float determinant(float4x4 m);
+float2x2 inverse(float2x2 m);
+float3x3 inverse(float3x3 m);
+float4x4 inverse(float4x4 m);
 $bvec lessThan($vec x, $vec y);
 $bvec lessThan($ivec x, $ivec y);
 $bvec lessThan($uvec x, $uvec y);
@@ -201,38 +201,38 @@
 $genIType bitfieldReverse($genIType value);
 //$genUType bitfieldReverse($genUType value);
 int textureSize($gsampler1D sampler, int lod);
-ivec2 textureSize($gsampler2D sampler, int lod);
-ivec3 textureSize($gsampler3D sampler, int lod);
-ivec2 textureSize($gsamplerCube sampler, int lod);
+int2 textureSize($gsampler2D sampler, int lod);
+int3 textureSize($gsampler3D sampler, int lod);
+int2 textureSize($gsamplerCube sampler, int lod);
 int textureSize(sampler1DShadow sampler, int lod);
-ivec2 textureSize(sampler2DShadow sampler, int lod);
-ivec2 textureSize(samplerCubeShadow sampler, int lod);
-ivec3 textureSize($gsamplerCubeArray sampler, int lod);
-ivec3 textureSize(samplerCubeArrayShadow sampler, int lod);
+int2 textureSize(sampler2DShadow sampler, int lod);
+int2 textureSize(samplerCubeShadow sampler, int lod);
+int3 textureSize($gsamplerCubeArray sampler, int lod);
+int3 textureSize(samplerCubeArrayShadow sampler, int lod);
 */
-ivec2 textureSize($gsampler2DRect sampler);
+int2 textureSize($gsampler2DRect sampler);
 /*
-ivec2 textureSize(sampler2DRectShadow sampler);
-ivec2 textureSize($gsampler1DArray sampler, int lod);
-ivec3 textureSize($gsampler2DArray sampler, int lod);
-ivec2 textureSize(sampler1DArrayShadow sampler, int lod);
-ivec3 textureSize(sampler2DArrayShadow sampler, int lod);
+int2 textureSize(sampler2DRectShadow sampler);
+int2 textureSize($gsampler1DArray sampler, int lod);
+int3 textureSize($gsampler2DArray sampler, int lod);
+int2 textureSize(sampler1DArrayShadow sampler, int lod);
+int3 textureSize(sampler2DArrayShadow sampler, int lod);
 int textureSize($gsamplerBuffer sampler);
-ivec2 textureSize($gsampler2DMS sampler);
-ivec3 textureSize($gsampler2DMSArray sampler);
-vec2 textureQueryLod($gsampler1D sampler, float P);
-vec2 textureQueryLod($gsampler2D sampler, vec2 P);
-vec2 textureQueryLod($gsampler3D sampler, vec3 P);
-vec2 textureQueryLod($gsamplerCube sampler, vec3 P);
-vec2 textureQueryLod($gsampler1DArray sampler, float P);
-vec2 textureQueryLod($gsampler2DArray sampler, vec2 P);
-vec2 textureQueryLod($gsamplerCubeArray sampler, vec3 P);
-vec2 textureQueryLod(sampler1DShadow sampler, float P);
-vec2 textureQueryLod(sampler2DShadow sampler, vec2 P);
-vec2 textureQueryLod(samplerCubeShadow sampler, vec3 P);
-vec2 textureQueryLod(sampler1DArrayShadow sampler, float P);
-vec2 textureQueryLod(sampler2DArrayShadow sampler, vec2 P);
-vec2 textureQueryLod(samplerCubeArrayShadow sampler, vec3 P);
+int2 textureSize($gsampler2DMS sampler);
+int3 textureSize($gsampler2DMSArray sampler);
+float2 textureQueryLod($gsampler1D sampler, float P);
+float2 textureQueryLod($gsampler2D sampler, float2 P);
+float2 textureQueryLod($gsampler3D sampler, float3 P);
+float2 textureQueryLod($gsamplerCube sampler, float3 P);
+float2 textureQueryLod($gsampler1DArray sampler, float P);
+float2 textureQueryLod($gsampler2DArray sampler, float2 P);
+float2 textureQueryLod($gsamplerCubeArray sampler, float3 P);
+float2 textureQueryLod(sampler1DShadow sampler, float P);
+float2 textureQueryLod(sampler2DShadow sampler, float2 P);
+float2 textureQueryLod(samplerCubeShadow sampler, float3 P);
+float2 textureQueryLod(sampler1DArrayShadow sampler, float P);
+float2 textureQueryLod(sampler2DArrayShadow sampler, float2 P);
+float2 textureQueryLod(samplerCubeArrayShadow sampler, float3 P);
 int textureQueryLevels($gsampler1D sampler);
 int textureQueryLevels($gsampler2D sampler);
 int textureQueryLevels($gsampler3D sampler);
@@ -248,53 +248,53 @@
 int textureQueryLevels(samplerCubeArrayShadow sampler);
 */
 
-$gvec4 texture($gsampler1D sampler, float P);
-$gvec4 texture($gsampler1D sampler, float P, float bias);
-$gvec4 texture($gsampler2D sampler, vec2 P);
+$gfloat4 texture($gsampler1D sampler, float P);
+$gfloat4 texture($gsampler1D sampler, float P, float bias);
+$gfloat4 texture($gsampler2D sampler, float2 P);
 // The above currently only expand to handle the float/fixed case. So we also declare this integer
 // version of texture().
-ivec4 texture(isampler2D sampler, vec2 P);
-vec4 texture(samplerExternalOES sampler, vec2 P, float bias);
-vec4 texture(samplerExternalOES sampler, vec2 P);
+int4 texture(isampler2D sampler, float2 P);
+float4 texture(samplerExternalOES sampler, float2 P, float bias);
+float4 texture(samplerExternalOES sampler, float2 P);
 
 /*
-$gvec4 texture($gsampler2D sampler, vec2 P, float bias);
-$gvec4 texture($gsampler3D sampler, vec3 P);
-$gvec4 texture($gsampler3D sampler, vec3 P, float bias);
-$gvec4 texture($gsamplerCube sampler, vec3 P);
-$gvec4 texture($gsamplerCube sampler, vec3 P, float bias);
-float texture(sampler1DShadow sampler, vec3 P);
-float texture(sampler1DShadow sampler, vec3 P, float bias);
-float texture(sampler2DShadow sampler, vec3 P);
-float texture(sampler2DShadow sampler, vec3 P, float bias);
-float texture(samplerCubeShadow sampler, vec4 P);
-float texture(samplerCubeShadow sampler, vec4 P, float bias);
-$gvec4 texture($gsampler1DArray sampler, vec2 P);
-$gvec4 texture($gsampler1DArray sampler, vec2 P, float bias);
-$gvec4 texture($gsampler2DArray sampler, vec3 P);
-$gvec4 texture($gsampler2DArray sampler, vec3 P, float bias);
-$gvec4 texture($gsamplerCubeArray sampler, vec4 P);
-$gvec4 texture($gsamplerCubeArray sampler, vec4 P, float bias);
-float texture(sampler1DArrayShadow sampler, vec3 P);
-float texture(sampler1DArrayShadow sampler, vec3 P, float bias);
-float texture(sampler2DArrayShadow sampler, vec4 P);
+$gfloat4 texture($gsampler2D sampler, float2 P, float bias);
+$gfloat4 texture($gsampler3D sampler, float3 P);
+$gfloat4 texture($gsampler3D sampler, float3 P, float bias);
+$gfloat4 texture($gsamplerCube sampler, float3 P);
+$gfloat4 texture($gsamplerCube sampler, float3 P, float bias);
+float texture(sampler1DShadow sampler, float3 P);
+float texture(sampler1DShadow sampler, float3 P, float bias);
+float texture(sampler2DShadow sampler, float3 P);
+float texture(sampler2DShadow sampler, float3 P, float bias);
+float texture(samplerCubeShadow sampler, float4 P);
+float texture(samplerCubeShadow sampler, float4 P, float bias);
+$gfloat4 texture($gsampler1DArray sampler, float2 P);
+$gfloat4 texture($gsampler1DArray sampler, float2 P, float bias);
+$gfloat4 texture($gsampler2DArray sampler, float3 P);
+$gfloat4 texture($gsampler2DArray sampler, float3 P, float bias);
+$gfloat4 texture($gsamplerCubeArray sampler, float4 P);
+$gfloat4 texture($gsamplerCubeArray sampler, float4 P, float bias);
+float texture(sampler1DArrayShadow sampler, float3 P);
+float texture(sampler1DArrayShadow sampler, float3 P, float bias);
+float texture(sampler2DArrayShadow sampler, float4 P);
 */
 
-$gvec4 texture($gsampler2DRect sampler, vec2 P);
-$gvec4 texture($gsampler2DRect sampler, vec3 P);
+$gfloat4 texture($gsampler2DRect sampler, float2 P);
+$gfloat4 texture($gsampler2DRect sampler, float3 P);
 
 /*
-float texture(sampler2DRectShadow sampler, vec3 P);
-float texture($gsamplerCubeArrayShadow sampler, vec4 P, float compare);
+float texture(sampler2DRectShadow sampler, float3 P);
+float texture($gsamplerCubeArrayShadow sampler, float4 P, float compare);
 */
 
 // Currently we do not support the generic types of loading subpassInput so we have some explicit
 // versions that we currently use
-vec4 subpassLoad(subpassInput subpass);
-vec4 subpassLoad(subpassInputMS subpass, int sample);
+float4 subpassLoad(subpassInput subpass);
+float4 subpassLoad(subpassInputMS subpass, int sample);
 /*
-$gvec4 subpassLoad(gsubpassInput subpass);
-$gvec4 subpassLoad(gsubpassInputMS subpass, int sample);
+$gfloat4subpassLoad(gsubpassInput subpass);
+$gfloat4subpassLoad(gsubpassInputMS subpass, int sample);
 */
 )
 
@@ -302,183 +302,183 @@
 
 STRINGIFY(
 
-$gvec4 texture($gsampler1D sampler, vec2 P);
-$gvec4 texture($gsampler1D sampler, vec2 P, float bias);
-$gvec4 texture($gsampler2D sampler, vec3 P);
-$gvec4 texture($gsampler2D sampler, vec3 P, float bias);
+$gfloat4 texture($gsampler1D sampler, float2 P);
+$gfloat4 texture($gsampler1D sampler, float2 P, float bias);
+$gfloat4 texture($gsampler2D sampler, float3 P);
+$gfloat4 texture($gsampler2D sampler, float3 P, float bias);
 /*
-$gvec4 textureProj($gsampler3D sampler, vec4 P);
-$gvec4 textureProj($gsampler3D sampler, vec4 P, float bias);
-float textureProj(sampler1DShadow sampler, vec4 P);
-float textureProj(sampler1DShadow sampler, vec4 P, float bias);
-float textureProj(sampler2DShadow sampler, vec4 P);
-float textureProj(sampler2DShadow sampler, vec4 P, float bias);
-$gvec4 textureProj($gsampler2DRect sampler, vec4 P);
-float textureProj(sampler2DRectShadow sampler, vec4 P);
-$gvec4 textureLod($gsampler1D sampler, float P, float lod);
-$gvec4 textureLod($gsampler2D sampler, vec2 P, float lod);
-$gvec4 textureLod($gsampler3D sampler, vec3 P, float lod);
-$gvec4 textureLod($gsamplerCube sampler, vec3 P, float lod);
-float textureLod(sampler1DShadow sampler, vec3 P, float lod);
-float textureLod(sampler2DShadow sampler, vec3 P, float lod);
-$gvec4 textureLod($gsampler1DArray sampler, vec2 P, float lod);
-$gvec4 textureLod($gsampler2DArray sampler, vec3 P, float lod);
-float textureLod(sampler1DArrayShadow sampler, vec3 P, float lod);
-$gvec4 textureLod($gsamplerCubeArray sampler, vec4 P, float lod);
-$gvec4 textureOffset($gsampler1D sampler, float P, int offset);
-$gvec4 textureOffset($gsampler1D sampler, float P, int offset, float bias);
-$gvec4 textureOffset($gsampler2D sampler, vec2 P, ivec2 offset);
-$gvec4 textureOffset($gsampler2D sampler, vec2 P, ivec2 offset, float bias);
-$gvec4 textureOffset($gsampler3D sampler, vec3 P, ivec3 offset);
-$gvec4 textureOffset($gsampler3D sampler, vec3 P, ivec3 offset, float bias);
-$gvec4 textureOffset($gsampler2DRect sampler, vec2 P, ivec2 offset);
-float textureOffset(sampler2DRectShadow sampler, vec3 P, ivec2 offset);
-float textureOffset(sampler1DShadow sampler, vec3 P, int offset);
-float textureOffset(sampler1DShadow sampler, vec3 P, int offset, float bias);
-float textureOffset(sampler2DShadow sampler, vec3 P, ivec2 offset);
-float textureOffset(sampler2DShadow sampler, vec3 P, ivec2 offset, float bias);
-$gvec4 textureOffset($gsampler1DArray sampler, vec2 P, int offset);
-$gvec4 textureOffset($gsampler1DArray sampler, vec2 P, int offset, float bias);
-$gvec4 textureOffset($gsampler2DArray sampler, vec3 P, ivec2 offset);
-$gvec4 textureOffset($gsampler2DArray sampler, vec3 P, ivec2 offset, float bias);
-float textureOffset(sampler1DArrayShadow sampler, vec3 P, int offset);
-float textureOffset(sampler1DArrayShadow sampler, vec3 P, int offset, float bias);
-float textureOffset(sampler2DArrayShadow sampler, vec4 P, ivec2 offset);
+$gfloat4 textureProj($gsampler3D sampler, float4 P);
+$gfloat4 textureProj($gsampler3D sampler, float4 P, float bias);
+float textureProj(sampler1DShadow sampler, float4 P);
+float textureProj(sampler1DShadow sampler, float4 P, float bias);
+float textureProj(sampler2DShadow sampler, float4 P);
+float textureProj(sampler2DShadow sampler, float4 P, float bias);
+$gfloat4 textureProj($gsampler2DRect sampler, float4 P);
+float textureProj(sampler2DRectShadow sampler, float4 P);
+$gfloat4 textureLod($gsampler1D sampler, float P, float lod);
+$gfloat4 textureLod($gsampler2D sampler, float2 P, float lod);
+$gfloat4 textureLod($gsampler3D sampler, float3 P, float lod);
+$gfloat4 textureLod($gsamplerCube sampler, float3 P, float lod);
+float textureLod(sampler1DShadow sampler, float3 P, float lod);
+float textureLod(sampler2DShadow sampler, float3 P, float lod);
+$gfloat4 textureLod($gsampler1DArray sampler, float2 P, float lod);
+$gfloat4 textureLod($gsampler2DArray sampler, float3 P, float lod);
+float textureLod(sampler1DArrayShadow sampler, float3 P, float lod);
+$gfloat4 textureLod($gsamplerCubeArray sampler, float4 P, float lod);
+$gfloat4 textureOffset($gsampler1D sampler, float P, int offset);
+$gfloat4 textureOffset($gsampler1D sampler, float P, int offset, float bias);
+$gfloat4 textureOffset($gsampler2D sampler, float2 P, int2 offset);
+$gfloat4 textureOffset($gsampler2D sampler, float2 P, int2 offset, float bias);
+$gfloat4 textureOffset($gsampler3D sampler, float3 P, int3 offset);
+$gfloat4 textureOffset($gsampler3D sampler, float3 P, int3 offset, float bias);
+$gfloat4 textureOffset($gsampler2DRect sampler, float2 P, int2 offset);
+float textureOffset(sampler2DRectShadow sampler, float3 P, int2 offset);
+float textureOffset(sampler1DShadow sampler, float3 P, int offset);
+float textureOffset(sampler1DShadow sampler, float3 P, int offset, float bias);
+float textureOffset(sampler2DShadow sampler, float3 P, int2 offset);
+float textureOffset(sampler2DShadow sampler, float3 P, int2 offset, float bias);
+$gfloat4 textureOffset($gsampler1DArray sampler, float2 P, int offset);
+$gfloat4 textureOffset($gsampler1DArray sampler, float2 P, int offset, float bias);
+$gfloat4 textureOffset($gsampler2DArray sampler, float3 P, int2 offset);
+$gfloat4 textureOffset($gsampler2DArray sampler, float3 P, int2 offset, float bias);
+float textureOffset(sampler1DArrayShadow sampler, float3 P, int offset);
+float textureOffset(sampler1DArrayShadow sampler, float3 P, int offset, float bias);
+float textureOffset(sampler2DArrayShadow sampler, float4 P, int2 offset);
 */
-vec4 texelFetch(samplerBuffer sampler, int P);
+float4 texelFetch(samplerBuffer sampler, int P);
 
-$gvec4 texelFetch($gsampler1D sampler, int P, int lod);
-$gvec4 texelFetch($gsampler2D sampler, ivec2 P, int lod);
-$gvec4 texelFetch($gsampler2DRect sampler, ivec2 P);
+$gfloat4 texelFetch($gsampler1D sampler, int P, int lod);
+$gfloat4 texelFetch($gsampler2D sampler, int2 P, int lod);
+$gfloat4 texelFetch($gsampler2DRect sampler, int2 P);
 /*
-$gvec4 texelFetch($gsampler3D sampler, ivec3 P, int lod);
-$gvec4 texelFetch($gsampler1DArray sampler, ivec2 P, int lod);
-$gvec4 texelFetch($gsampler2DArray sampler, ivec3 P, int lod);
-$gvec4 texelFetch($gsampler2DMS sampler, ivec2 P, int sample);
-$gvec4 texelFetch($gsampler2DMSArray sampler, ivec3 P, int sample);
-$gvec4 texelFetchOffset($gsampler1D sampler, int P, int lod, int offset);
-$gvec4 texelFetchOffset($gsampler2D sampler, ivec2 P, int lod, ivec2 offset);
-$gvec4 texelFetchOffset($gsampler3D sampler, ivec3 P, int lod, ivec3 offset);
-$gvec4 texelFetchOffset($gsampler2DRect sampler, ivec2 P, ivec2 offset);
-$gvec4 texelFetchOffset($gsampler1DArray sampler, ivec2 P, int lod, int offset);
-$gvec4 texelFetchOffset($gsampler2DArray sampler, ivec3 P, int lod, ivec2 offset);
-$gvec4 textureProjOffset($gsampler1D sampler, vec2 P, int offset);
-$gvec4 textureProjOffset($gsampler1D sampler, vec2 P, int offset, float bias);
-$gvec4 textureProjOffset($gsampler1D sampler, vec4 P, int offset);
-$gvec4 textureProjOffset($gsampler1D sampler, vec4 P, int offset, float bias);
-$gvec4 textureProjOffset($gsampler2D sampler, vec3 P, ivec2 offset);
-$gvec4 textureProjOffset($gsampler2D sampler, vec3 P, ivec2 offset, float bias);
-$gvec4 textureProjOffset($gsampler2D sampler, vec4 P, ivec2 offset);
-$gvec4 textureProjOffset($gsampler2D sampler, vec4 P, ivec2 offset, float bias);
-$gvec4 textureProjOffset($gsampler3D sampler, vec4 P, ivec3 offset);
-$gvec4 textureProjOffset($gsampler3D sampler, vec4 P, ivec3 offset, float bias);
-$gvec4 textureProjOffset($gsampler2DRect sampler, vec3 P, ivec2 offset);
-$gvec4 textureProjOffset($gsampler2DRect sampler, vec4 P, ivec2 offset);
-float textureProjOffset(sampler2DRectShadow sampler, vec4 P, ivec2 offset);
-float textureProjOffset(sampler1DShadow sampler, vec4 P, int offset);
-float textureProjOffset(sampler1DShadow sampler, vec4 P, int offset, float bias);
-float textureProjOffset(sampler2DShadow sampler, vec4 P, ivec2 offset);
-float textureProjOffset(sampler2DShadow sampler, vec4 P, ivec2 offset, float bias);
-$gvec4 textureLodOffset($gsampler1D sampler, float P, float lod, int offset);
-$gvec4 textureLodOffset($gsampler2D sampler, vec2 P, float lod, ivec2 offset);
-$gvec4 textureLodOffset($gsampler3D sampler, vec3 P, float lod, ivec3 offset);
-float textureLodOffset(sampler1DShadow sampler, vec3 P, float lod, int offset);
-float textureLodOffset(sampler2DShadow sampler, vec3 P, float lod, ivec2 offset);
-$gvec4 textureLodOffset($gsampler1DArray sampler, vec2 P, float lod, int offset);
-$gvec4 textureLodOffset($gsampler2DArray sampler, vec3 P, float lod, ivec2 offset);
-float textureLodOffset(sampler1DArrayShadow sampler, vec3 P, float lod, int offset);
-$gvec4 textureProjLod($gsampler1D sampler, vec2 P, float lod);
-$gvec4 textureProjLod($gsampler1D sampler, vec4 P, float lod);
-$gvec4 textureProjLod($gsampler2D sampler, vec3 P, float lod);
-$gvec4 textureProjLod($gsampler2D sampler, vec4 P, float lod);
-$gvec4 textureProjLod($gsampler3D sampler, vec4 P, float lod);
-float textureProjLod(sampler1DShadow sampler, vec4 P, float lod);
-float textureProjLod(sampler2DShadow sampler, vec4 P, float lod);
-$gvec4 textureProjLodOffset($gsampler1D sampler, vec2 P, float lod, int offset);
-$gvec4 textureProjLodOffset($gsampler1D sampler, vec4 P, float lod, int offset);
-$gvec4 textureProjLodOffset($gsampler2D sampler, vec3 P, float lod, ivec2 offset);
-$gvec4 textureProjLodOffset($gsampler2D sampler, vec4 P, float lod, ivec2 offset);
-$gvec4 textureProjLodOffset($gsampler3D sampler, vec4 P, float lod, ivec3 offset);
-float textureProjLodOffset(sampler1DShadow sampler, vec4 P, float lod, int offset);
-float textureProjLodOffset(sampler2DShadow sampler, vec4 P, float lod, ivec2 offset);
-$gvec4 textureGrad($gsampler1D sampler, float P, float dPdx, float dPdy);
-$gvec4 textureGrad($gsampler2D sampler, vec2 P, vec2 dPdx, vec2 dPdy);
-$gvec4 textureGrad($gsampler3D sampler, vec3 P, vec3 dPdx, vec3 dPdy);
-$gvec4 textureGrad($gsamplerCube sampler, vec3 P, vec3 dPdx, vec3 dPdy);
-$gvec4 textureGrad($gsampler2DRect sampler, vec2 P, vec2 dPdx, vec2 dPdy);
-float textureGrad(sampler2DRectShadow sampler, vec3 P, vec2 dPdx, vec2 dPdy);
-float textureGrad(sampler1DShadow sampler, vec3 P, float dPdx, float dPdy);
-float textureGrad(sampler2DShadow sampler, vec3 P, vec2 dPdx, vec2 dPdy);
-float textureGrad(samplerCubeShadow sampler, vec4 P, vec3 dPdx, vec3 dPdy);
-$gvec4 textureGrad($gsampler1DArray sampler, vec2 P, float dPdx, float dPdy);
-$gvec4 textureGrad($gsampler2DArray sampler, vec3 P, vec2 dPdx, vec2 dPdy);
-float textureGrad(sampler1DArrayShadow sampler, vec3 P, float dPdx, float dPdy);
-float textureGrad(sampler2DArrayShadow sampler, vec4 P, vec2 dPdx, vec2 dPdy);
-$gvec4 textureGrad($gsamplerCubeArray sampler, vec4 P, vec3 dPdx, vec3 dPdy);
-$gvec4 textureGradOffset($gsampler1D sampler, float P, float dPdx, float dPdy, int offset);
-$gvec4 textureGradOffset($gsampler2D sampler, vec2 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureGradOffset($gsampler3D sampler, vec3 P, vec3 dPdx, vec3 dPdy, ivec3 offset);
-$gvec4 textureGradOffset($gsampler2DRect sampler, vec2 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-float textureGradOffset(sampler2DRectShadow sampler, vec3 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-float textureGradOffset(sampler1DShadow sampler, vec3 P, float dPdx, float dPdy, int offset );
-float textureGradOffset(sampler2DShadow sampler, vec3 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureGradOffset($gsampler1DArray sampler, vec2 P, float dPdx, float dPdy, int offset);
-$gvec4 textureGradOffset($gsampler2DArray sampler, vec3 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-float textureGradOffset(sampler1DArrayShadow sampler, vec3 P, float dPdx, float dPdy, int offset);
-float textureGradOffset(sampler2DArrayShadow sampler, vec4 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureProjGrad($gsampler1D sampler, vec2 P, float dPdx, float dPdy);
-$gvec4 textureProjGrad($gsampler1D sampler, vec4 P, float dPdx, float dPdy);
-$gvec4 textureProjGrad($gsampler2D sampler, vec3 P, vec2 dPdx, vec2 dPdy);
-$gvec4 textureProjGrad($gsampler2D sampler, vec4 P, vec2 dPdx, vec2 dPdy);
-$gvec4 textureProjGrad($gsampler3D sampler, vec4 P, vec3 dPdx, vec3 dPdy);
-$gvec4 textureProjGrad($gsampler2DRect sampler, vec3 P, vec2 dPdx, vec2 dPdy);
-$gvec4 textureProjGrad($gsampler2DRect sampler, vec4 P, vec2 dPdx, vec2 dPdy);
-float textureProjGrad(sampler2DRectShadow sampler, vec4 P, vec2 dPdx, vec2 dPdy);
-float textureProjGrad(sampler1DShadow sampler, vec4 P, float dPdx, float dPdy);
-float textureProjGrad(sampler2DShadow sampler, vec4 P, vec2 dPdx, vec2 dPdy);
-$gvec4 textureProjGradOffset($gsampler1D sampler, vec2 P, float dPdx, float dPdy, int offset);
-$gvec4 textureProjGradOffset($gsampler1D sampler, vec4 P, float dPdx, float dPdy, int offset);
-$gvec4 textureProjGradOffset($gsampler2D sampler, vec3 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureProjGradOffset($gsampler2D sampler, vec4 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureProjGradOffset($gsampler2DRect sampler, vec3 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureProjGradOffset($gsampler2DRect sampler, vec4 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-float textureProjGradOffset(sampler2DRectShadow sampler, vec4 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureProjGradOffset($gsampler3D sampler, vec4 P, vec3 dPdx, vec3 dPdy, ivec3 offset);
-float textureProjGradOffset(sampler1DShadow sampler, vec4 P, float dPdx, float dPdy, int offset);
-float textureProjGradOffset(sampler2DShadow sampler, vec4 P, vec2 dPdx, vec2 dPdy, ivec2 offset);
-$gvec4 textureGather($gsampler2D sampler, vec2 P);
-$gvec4 textureGather($gsampler2D sampler, vec2 P, int comp);
-$gvec4 textureGather($gsampler2DArray sampler, vec3 P);
-$gvec4 textureGather($gsampler2DArray sampler, vec3 P, int comp);
-$gvec4 textureGather($gsamplerCube sampler, vec3 P);
-$gvec4 textureGather($gsamplerCube sampler, vec3 P, int comp);
-$gvec4 textureGather($gsamplerCubeArray sampler, vec4 P);
-$gvec4 textureGather($gsamplerCubeArray sampler, vec4 P, int comp);
-$gvec4 textureGather($gsampler2DRect sampler, vec2 P);
-$gvec4 textureGather($gsampler2DRect sampler, vec2 P, int comp);
-vec4 textureGather(sampler2DShadow sampler, vec2 P, float refZ);
-vec4 textureGather(sampler2DArrayShadow sampler, vec3 P, float refZ);
-vec4 textureGather(samplerCubeShadow sampler, vec3 P, float refZ);
-vec4 textureGather(samplerCubeArrayShadow sampler, vec4 P, float refZ);
-vec4 textureGather(sampler2DRectShadow sampler, vec2 P, float refZ);
-$gvec4 textureGatherOffset($gsampler2D sampler, vec2 P, ivec2 offset);
-$gvec4 textureGatherOffset($gsampler2D sampler, vec2 P, ivec2 offset, int comp);
-$gvec4 textureGatherOffset($gsampler2DArray sampler, vec3 P, ivec2 offset);
-$gvec4 textureGatherOffset($gsampler2DArray sampler, vec3 P, ivec2 offset, int comp);
-$gvec4 textureGatherOffset($gsampler2DRect sampler, vec2 P, ivec2 offset);
-$gvec4 textureGatherOffset($gsampler2DRect sampler, vec2 P, ivec2 offset, int comp);
-vec4 textureGatherOffset(sampler2DShadow sampler, vec2 P, float refZ, ivec2 offset);
-vec4 textureGatherOffset(sampler2DArrayShadow sampler, vec3 P, float refZ, ivec2 offset);
-vec4 textureGatherOffset(sampler2DRectShadow sampler, vec2 P, float refZ, ivec2 offset);
-$gvec4 textureGatherOffsets($gsampler2D sampler, vec2 P, ivec2 offsets[4]);
-$gvec4 textureGatherOffsets($gsampler2D sampler, vec2 P, ivec2 offsets[4], int comp);
-$gvec4 textureGatherOffsets($gsampler2DArray sampler, vec3 P, ivec2 offsets[4]);
-$gvec4 textureGatherOffsets($gsampler2DArray sampler, vec3 P, ivec2 offsets[4], int comp);
-$gvec4 textureGatherOffsets($gsampler2DRect sampler, vec2 P, ivec2 offsets[4]);
-$gvec4 textureGatherOffsets($gsampler2DRect sampler, vec2 P, ivec2 offsets[4], int comp);
-vec4 textureGatherOffsets(sampler2DShadow sampler, vec2 P, float refZ, ivec2 offsets[4]);
-vec4 textureGatherOffsets(sampler2DArrayShadow sampler, vec3 P, float refZ, ivec2 offsets[4]);
-vec4 textureGatherOffsets(sampler2DRectShadow sampler, vec2 P, float refZ, ivec2 offsets[4]);
+$gfloat4 texelFetch($gsampler3D sampler, int3 P, int lod);
+$gfloat4 texelFetch($gsampler1DArray sampler, int2 P, int lod);
+$gfloat4 texelFetch($gsampler2DArray sampler, int3 P, int lod);
+$gfloat4 texelFetch($gsampler2DMS sampler, int2 P, int sample);
+$gfloat4 texelFetch($gsampler2DMSArray sampler, int3 P, int sample);
+$gfloat4 texelFetchOffset($gsampler1D sampler, int P, int lod, int offset);
+$gfloat4 texelFetchOffset($gsampler2D sampler, int2 P, int lod, int2 offset);
+$gfloat4 texelFetchOffset($gsampler3D sampler, int3 P, int lod, int3 offset);
+$gfloat4 texelFetchOffset($gsampler2DRect sampler, int2 P, int2 offset);
+$gfloat4 texelFetchOffset($gsampler1DArray sampler, int2 P, int lod, int offset);
+$gfloat4 texelFetchOffset($gsampler2DArray sampler, int3 P, int lod, int2 offset);
+$gfloat4 textureProjOffset($gsampler1D sampler, float2 P, int offset);
+$gfloat4 textureProjOffset($gsampler1D sampler, float2 P, int offset, float bias);
+$gfloat4 textureProjOffset($gsampler1D sampler, float4 P, int offset);
+$gfloat4 textureProjOffset($gsampler1D sampler, float4 P, int offset, float bias);
+$gfloat4 textureProjOffset($gsampler2D sampler, float3 P, int2 offset);
+$gfloat4 textureProjOffset($gsampler2D sampler, float3 P, int2 offset, float bias);
+$gfloat4 textureProjOffset($gsampler2D sampler, float4 P, int2 offset);
+$gfloat4 textureProjOffset($gsampler2D sampler, float4 P, int2 offset, float bias);
+$gfloat4 textureProjOffset($gsampler3D sampler, float4 P, int3 offset);
+$gfloat4 textureProjOffset($gsampler3D sampler, float4 P, int3 offset, float bias);
+$gfloat4 textureProjOffset($gsampler2DRect sampler, float3 P, int2 offset);
+$gfloat4 textureProjOffset($gsampler2DRect sampler, float4 P, int2 offset);
+float textureProjOffset(sampler2DRectShadow sampler, float4 P, int2 offset);
+float textureProjOffset(sampler1DShadow sampler, float4 P, int offset);
+float textureProjOffset(sampler1DShadow sampler, float4 P, int offset, float bias);
+float textureProjOffset(sampler2DShadow sampler, float4 P, int2 offset);
+float textureProjOffset(sampler2DShadow sampler, float4 P, int2 offset, float bias);
+$gfloat4 textureLodOffset($gsampler1D sampler, float P, float lod, int offset);
+$gfloat4 textureLodOffset($gsampler2D sampler, float2 P, float lod, int2 offset);
+$gfloat4 textureLodOffset($gsampler3D sampler, float3 P, float lod, int3 offset);
+float textureLodOffset(sampler1DShadow sampler, float3 P, float lod, int offset);
+float textureLodOffset(sampler2DShadow sampler, float3 P, float lod, int2 offset);
+$gfloat4 textureLodOffset($gsampler1DArray sampler, float2 P, float lod, int offset);
+$gfloat4 textureLodOffset($gsampler2DArray sampler, float3 P, float lod, int2 offset);
+float textureLodOffset(sampler1DArrayShadow sampler, float3 P, float lod, int offset);
+$gfloat4 textureProjLod($gsampler1D sampler, float2 P, float lod);
+$gfloat4 textureProjLod($gsampler1D sampler, float4 P, float lod);
+$gfloat4 textureProjLod($gsampler2D sampler, float3 P, float lod);
+$gfloat4 textureProjLod($gsampler2D sampler, float4 P, float lod);
+$gfloat4 textureProjLod($gsampler3D sampler, float4 P, float lod);
+float textureProjLod(sampler1DShadow sampler, float4 P, float lod);
+float textureProjLod(sampler2DShadow sampler, float4 P, float lod);
+$gfloat4 textureProjLodOffset($gsampler1D sampler, float2 P, float lod, int offset);
+$gfloat4 textureProjLodOffset($gsampler1D sampler, float4 P, float lod, int offset);
+$gfloat4 textureProjLodOffset($gsampler2D sampler, float3 P, float lod, int2 offset);
+$gfloat4 textureProjLodOffset($gsampler2D sampler, float4 P, float lod, int2 offset);
+$gfloat4 textureProjLodOffset($gsampler3D sampler, float4 P, float lod, int3 offset);
+float textureProjLodOffset(sampler1DShadow sampler, float4 P, float lod, int offset);
+float textureProjLodOffset(sampler2DShadow sampler, float4 P, float lod, int2 offset);
+$gfloat4 textureGrad($gsampler1D sampler, float P, float dPdx, float dPdy);
+$gfloat4 textureGrad($gsampler2D sampler, float2 P, float2 dPdx, float2 dPdy);
+$gfloat4 textureGrad($gsampler3D sampler, float3 P, float3 dPdx, float3 dPdy);
+$gfloat4 textureGrad($gsamplerCube sampler, float3 P, float3 dPdx, float3 dPdy);
+$gfloat4 textureGrad($gsampler2DRect sampler, float2 P, float2 dPdx, float2 dPdy);
+float textureGrad(sampler2DRectShadow sampler, float3 P, float2 dPdx, float2 dPdy);
+float textureGrad(sampler1DShadow sampler, float3 P, float dPdx, float dPdy);
+float textureGrad(sampler2DShadow sampler, float3 P, float2 dPdx, float2 dPdy);
+float textureGrad(samplerCubeShadow sampler, float4 P, float3 dPdx, float3 dPdy);
+$gfloat4 textureGrad($gsampler1DArray sampler, float2 P, float dPdx, float dPdy);
+$gfloat4 textureGrad($gsampler2DArray sampler, float3 P, float2 dPdx, float2 dPdy);
+float textureGrad(sampler1DArrayShadow sampler, float3 P, float dPdx, float dPdy);
+float textureGrad(sampler2DArrayShadow sampler, float4 P, float2 dPdx, float2 dPdy);
+$gfloat4 textureGrad($gsamplerCubeArray sampler, float4 P, float3 dPdx, float3 dPdy);
+$gfloat4 textureGradOffset($gsampler1D sampler, float P, float dPdx, float dPdy, int offset);
+$gfloat4 textureGradOffset($gsampler2D sampler, float2 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureGradOffset($gsampler3D sampler, float3 P, float3 dPdx, float3 dPdy, int3 offset);
+$gfloat4 textureGradOffset($gsampler2DRect sampler, float2 P, float2 dPdx, float2 dPdy, int2 offset);
+float textureGradOffset(sampler2DRectShadow sampler, float3 P, float2 dPdx, float2 dPdy, int2 offset);
+float textureGradOffset(sampler1DShadow sampler, float3 P, float dPdx, float dPdy, int offset );
+float textureGradOffset(sampler2DShadow sampler, float3 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureGradOffset($gsampler1DArray sampler, float2 P, float dPdx, float dPdy, int offset);
+$gfloat4 textureGradOffset($gsampler2DArray sampler, float3 P, float2 dPdx, float2 dPdy, int2 offset);
+float textureGradOffset(sampler1DArrayShadow sampler, float3 P, float dPdx, float dPdy, int offset);
+float textureGradOffset(sampler2DArrayShadow sampler, float4 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureProjGrad($gsampler1D sampler, float2 P, float dPdx, float dPdy);
+$gfloat4 textureProjGrad($gsampler1D sampler, float4 P, float dPdx, float dPdy);
+$gfloat4 textureProjGrad($gsampler2D sampler, float3 P, float2 dPdx, float2 dPdy);
+$gfloat4 textureProjGrad($gsampler2D sampler, float4 P, float2 dPdx, float2 dPdy);
+$gfloat4 textureProjGrad($gsampler3D sampler, float4 P, float3 dPdx, float3 dPdy);
+$gfloat4 textureProjGrad($gsampler2DRect sampler, float3 P, float2 dPdx, float2 dPdy);
+$gfloat4 textureProjGrad($gsampler2DRect sampler, float4 P, float2 dPdx, float2 dPdy);
+float textureProjGrad(sampler2DRectShadow sampler, float4 P, float2 dPdx, float2 dPdy);
+float textureProjGrad(sampler1DShadow sampler, float4 P, float dPdx, float dPdy);
+float textureProjGrad(sampler2DShadow sampler, float4 P, float2 dPdx, float2 dPdy);
+$gfloat4 textureProjGradOffset($gsampler1D sampler, float2 P, float dPdx, float dPdy, int offset);
+$gfloat4 textureProjGradOffset($gsampler1D sampler, float4 P, float dPdx, float dPdy, int offset);
+$gfloat4 textureProjGradOffset($gsampler2D sampler, float3 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureProjGradOffset($gsampler2D sampler, float4 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureProjGradOffset($gsampler2DRect sampler, float3 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureProjGradOffset($gsampler2DRect sampler, float4 P, float2 dPdx, float2 dPdy, int2 offset);
+float textureProjGradOffset(sampler2DRectShadow sampler, float4 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureProjGradOffset($gsampler3D sampler, float4 P, float3 dPdx, float3 dPdy, int3 offset);
+float textureProjGradOffset(sampler1DShadow sampler, float4 P, float dPdx, float dPdy, int offset);
+float textureProjGradOffset(sampler2DShadow sampler, float4 P, float2 dPdx, float2 dPdy, int2 offset);
+$gfloat4 textureGather($gsampler2D sampler, float2 P);
+$gfloat4 textureGather($gsampler2D sampler, float2 P, int comp);
+$gfloat4 textureGather($gsampler2DArray sampler, float3 P);
+$gfloat4 textureGather($gsampler2DArray sampler, float3 P, int comp);
+$gfloat4 textureGather($gsamplerCube sampler, float3 P);
+$gfloat4 textureGather($gsamplerCube sampler, float3 P, int comp);
+$gfloat4 textureGather($gsamplerCubeArray sampler, float4 P);
+$gfloat4 textureGather($gsamplerCubeArray sampler, float4 P, int comp);
+$gfloat4 textureGather($gsampler2DRect sampler, float2 P);
+$gfloat4 textureGather($gsampler2DRect sampler, float2 P, int comp);
+float4 textureGather(sampler2DShadow sampler, float2 P, float refZ);
+float4 textureGather(sampler2DArrayShadow sampler, float3 P, float refZ);
+float4 textureGather(samplerCubeShadow sampler, float3 P, float refZ);
+float4 textureGather(samplerCubeArrayShadow sampler, float4 P, float refZ);
+float4 textureGather(sampler2DRectShadow sampler, float2 P, float refZ);
+$gfloat4 textureGatherOffset($gsampler2D sampler, float2 P, int2 offset);
+$gfloat4 textureGatherOffset($gsampler2D sampler, float2 P, int2 offset, int comp);
+$gfloat4 textureGatherOffset($gsampler2DArray sampler, float3 P, int2 offset);
+$gfloat4 textureGatherOffset($gsampler2DArray sampler, float3 P, int2 offset, int comp);
+$gfloat4 textureGatherOffset($gsampler2DRect sampler, float2 P, int2 offset);
+$gfloat4 textureGatherOffset($gsampler2DRect sampler, float2 P, int2 offset, int comp);
+float4 textureGatherOffset(sampler2DShadow sampler, float2 P, float refZ, int2 offset);
+float4 textureGatherOffset(sampler2DArrayShadow sampler, float3 P, float refZ, int2 offset);
+float4 textureGatherOffset(sampler2DRectShadow sampler, float2 P, float refZ, int2 offset);
+$gfloat4 textureGatherOffsets($gsampler2D sampler, float2 P, int2 offsets[4]);
+$gfloat4 textureGatherOffsets($gsampler2D sampler, float2 P, int2 offsets[4], int comp);
+$gfloat4 textureGatherOffsets($gsampler2DArray sampler, float3 P, int2 offsets[4]);
+$gfloat4 textureGatherOffsets($gsampler2DArray sampler, float3 P, int2 offsets[4], int comp);
+$gfloat4 textureGatherOffsets($gsampler2DRect sampler, float2 P, int2 offsets[4]);
+$gfloat4 textureGatherOffsets($gsampler2DRect sampler, float2 P, int2 offsets[4], int comp);
+float4 textureGatherOffsets(sampler2DShadow sampler, float2 P, float refZ, int2 offsets[4]);
+float4 textureGatherOffsets(sampler2DArrayShadow sampler, float3 P, float refZ, int2 offsets[4]);
+float4 textureGatherOffsets(sampler2DRectShadow sampler, float2 P, float refZ, int2 offsets[4]);
 uint atomicCounterIncrement(atomic_uint c);
 uint atomicCounter(atomic_uint c);
 uint atomicAdd(inout uint mem, uint data);
@@ -500,18 +500,18 @@
 */
 // section 8.12 Additional Image Functions will go here if and when we add
 // support for them
-vec4 imageLoad(image2D image, ivec2 P);
-ivec4 imageLoad(iimage2D image, ivec2 P);
+float4 imageLoad(image2D image, int2 P);
+int4 imageLoad(iimage2D image, int2 P);
 $genType dFdx($genType p);
 $genType dFdy($genType p);
 float interpolateAtSample(float interpolant, int sample);
-vec2 interpolateAtSample(vec2 interpolant, int sample);
-vec3 interpolateAtSample(vec3 interpolant, int sample);
-vec4 interpolateAtSample(vec4 interpolant, int sample);
-float interpolateAtOffset(float interpolant, vec2 offset);
-vec2 interpolateAtOffset(vec2 interpolant, vec2 offset);
-vec3 interpolateAtOffset(vec3 interpolant, vec2 offset);
-vec4 interpolateAtOffset(vec4 interpolant, vec2 offset);
+float2 interpolateAtSample(float2 interpolant, int sample);
+float3 interpolateAtSample(float3 interpolant, int sample);
+float4 interpolateAtSample(float4 interpolant, int sample);
+float interpolateAtOffset(float interpolant, float2 offset);
+float2 interpolateAtOffset(float2 interpolant, float2 offset);
+float3 interpolateAtOffset(float3 interpolant, float2 offset);
+float4 interpolateAtOffset(float4 interpolant, float2 offset);
 
 /*
 $genType fwidth($genType p);
diff --git a/src/sksl/sksl_fp.include b/src/sksl/sksl_fp.include
index 0d8d99d..4d6b94d 100644
--- a/src/sksl/sksl_fp.include
+++ b/src/sksl/sksl_fp.include
@@ -2,24 +2,24 @@
 
 // defines built-in interfaces supported by SkiaSL fragment shaders
 
-layout(builtin=15) in vec4 sk_FragCoord;
+layout(builtin=15) in float4 sk_FragCoord;
 layout(builtin=3) float sk_ClipDistance[1];
 
 // 9999 is a temporary value that causes us to ignore these declarations beyond
 // adding them to the symbol table. This works fine in GLSL (where they do not
 // require any further handling) but will fail in SPIR-V. We'll have a better
 // solution for this soon.
-layout(builtin=9999) vec4 gl_LastFragData[1];
-layout(builtin=9999) vec4 gl_LastFragColor;
-layout(builtin=9999) vec4 gl_LastFragColorARM;
+layout(builtin=9999) float4 gl_LastFragData[1];
+layout(builtin=9999) float4 gl_LastFragColor;
+layout(builtin=9999) float4 gl_LastFragColorARM;
 layout(builtin=9999) int gl_SampleMaskIn[1];
 layout(builtin=9999) out int gl_SampleMask[1];
-layout(builtin=9999) vec4 gl_SecondaryFragColorEXT;
+layout(builtin=9999) float4 gl_SecondaryFragColorEXT;
 
-layout(builtin=10003) vec4 sk_InColor;
-layout(builtin=10004) out vec4 sk_OutColor;
-layout(builtin=10005) vec2[] sk_TransformedCoords2D;
+layout(builtin=10003) float4 sk_InColor;
+layout(builtin=10004) out float4 sk_OutColor;
+layout(builtin=10005) float2[] sk_TransformedCoords2D;
 layout(builtin=10006) sampler2D[] sk_TextureSamplers;
 
-vec4 COLORSPACE(vec4 color, colorSpaceXform colorSpace);
+float4 COLORSPACE(float4 color, colorSpaceXform colorSpace);
 )
diff --git a/src/sksl/sksl_frag.include b/src/sksl/sksl_frag.include
index f1192fe..2cd1e52 100644
--- a/src/sksl/sksl_frag.include
+++ b/src/sksl/sksl_frag.include
@@ -2,20 +2,20 @@
 
 // defines built-in interfaces supported by SkiaSL fragment shaders
 
-layout(builtin=15) in vec4 sk_FragCoord;
+layout(builtin=15) in float4 sk_FragCoord;
 layout(builtin=3) float sk_ClipDistance[1];
 
 // 9999 is a temporary value that causes us to ignore these declarations beyond
 // adding them to the symbol table. This works fine in GLSL (where they do not
 // require any further handling) but will fail in SPIR-V. We'll have a better
 // solution for this soon.
-layout(builtin=9999) vec4 gl_LastFragData[1];
-layout(builtin=9999) vec4 gl_LastFragColor;
-layout(builtin=9999) vec4 gl_LastFragColorARM;
+layout(builtin=9999) float4 gl_LastFragData[1];
+layout(builtin=9999) float4 gl_LastFragColor;
+layout(builtin=9999) float4 gl_LastFragColorARM;
 layout(builtin=9999) int gl_SampleMaskIn[1];
 layout(builtin=9999) out int gl_SampleMask[1];
-layout(builtin=9999) out vec4 gl_SecondaryFragColorEXT;
+layout(builtin=9999) out float4 gl_SecondaryFragColorEXT;
 
-layout(location=0,index=0,builtin=10001) out vec4 sk_FragColor;
+layout(location=0,index=0,builtin=10001) out float4 sk_FragColor;
 
 )
diff --git a/src/sksl/sksl_geom.include b/src/sksl/sksl_geom.include
index e980d6b..f1b3604 100644
--- a/src/sksl/sksl_geom.include
+++ b/src/sksl/sksl_geom.include
@@ -3,13 +3,13 @@
 // defines built-in interfaces supported by SkiaSL geometry shaders
 
 layout(builtin=10002) in sk_PerVertex {
-  layout(builtin=0) vec4 gl_Position;
+  layout(builtin=0) float4 gl_Position;
   layout(builtin=1) float gl_PointSize;
   layout(builtin=3) float sk_ClipDistance[];
 } sk_in[];
 
 out sk_PerVertex {
-    layout(builtin=0) vec4 gl_Position;
+    layout(builtin=0) float4 gl_Position;
     layout(builtin=1) float gl_PointSize;
     layout(builtin=3) float sk_ClipDistance[];
 };
diff --git a/src/sksl/sksl_vert.include b/src/sksl/sksl_vert.include
index 2c38a8b..976877c 100644
--- a/src/sksl/sksl_vert.include
+++ b/src/sksl/sksl_vert.include
@@ -3,7 +3,7 @@
 // defines built-in interfaces supported by SkiaSL vertex shaders
 
 out sk_PerVertex {
-    layout(builtin=0) vec4 gl_Position;
+    layout(builtin=0) float4 gl_Position;
     layout(builtin=1) float gl_PointSize;
     layout(builtin=3) float sk_ClipDistance[1];
 };