Rename GrTextureAccess to GrProcessor::TextureSampler.

Renames vars and methods that used the work "access" to refer to this type.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4931

Change-Id: Ibcf488fbd445c5119fc13d190544cd98981bdbee
Reviewed-on: https://skia-review.googlesource.com/4931
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/effects/GrDistanceFieldGeoProc.cpp b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
index 7f9fd85..a99e2af 100644
--- a/src/gpu/effects/GrDistanceFieldGeoProc.cpp
+++ b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
@@ -85,8 +85,8 @@
         vertBuilder->codeAppendf("%s = %s;", uv.vsOut(), dfTexEffect.inTextureCoords()->fName);
 
         // compute numbers to be hardcoded to convert texture coordinates from float to int
-        SkASSERT(dfTexEffect.numTextures() == 1);
-        GrTexture* atlas = dfTexEffect.textureAccess(0).getTexture();
+        SkASSERT(dfTexEffect.numTextureSamplers() == 1);
+        GrTexture* atlas = dfTexEffect.textureSampler(0).getTexture();
         SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height()));
 
         GrGLSLVertToFrag st(kVec2f_GrSLType);
@@ -207,8 +207,8 @@
         b->add32(key);
 
         // Currently we hardcode numbers to convert atlas coordinates to normalized floating point
-        SkASSERT(gp.numTextures() == 1);
-        GrTexture* atlas = gp.textureAccess(0).getTexture();
+        SkASSERT(gp.numTextureSamplers() == 1);
+        GrTexture* atlas = gp.textureSampler(0).getTexture();
         SkASSERT(atlas);
         b->add32(atlas->width());
         b->add32(atlas->height());
@@ -238,7 +238,7 @@
                                                            bool usesLocalCoords)
     : fColor(color)
     , fViewMatrix(viewMatrix)
-    , fTextureAccess(texture, params)
+    , fTextureSampler(texture, params)
 #ifdef SK_GAMMA_APPLY_TO_A8
     , fDistanceAdjust(distanceAdjust)
 #endif
@@ -252,7 +252,7 @@
     fInColor = &this->addVertexAttrib("inColor", kVec4ub_GrVertexAttribType);
     fInTextureCoords = &this->addVertexAttrib("inTextureCoords", kVec2us_GrVertexAttribType,
                                               kHigh_GrSLPrecision);
-    this->addTextureAccess(&fTextureAccess);
+    this->addTextureSampler(&fTextureSampler);
 }
 
 void GrDistanceFieldA8TextGeoProc::getGLSLProcessorKey(const GrGLSLCaps& caps,
@@ -433,7 +433,7 @@
                  FPCoordTransformIter&& transformIter) override {
         SkASSERT(fTextureSizeUni.isValid());
 
-        GrTexture* texture = proc.texture(0);
+        GrTexture* texture = proc.textureSampler(0).getTexture();
         if (texture->width() != fTextureSize.width() ||
             texture->height() != fTextureSize.height()) {
             fTextureSize = SkISize::Make(texture->width(), texture->height());
@@ -484,7 +484,7 @@
         bool usesLocalCoords)
     : fColor(color)
     , fViewMatrix(viewMatrix)
-    , fTextureAccess(texture, params)
+    , fTextureSampler(texture, params)
     , fFlags(flags & kNonLCD_DistanceFieldEffectMask)
     , fInColor(nullptr)
     , fUsesLocalCoords(usesLocalCoords) {
@@ -494,7 +494,7 @@
                                          kHigh_GrSLPrecision);
     fInColor = &this->addVertexAttrib("inColor", kVec4ub_GrVertexAttribType);
     fInTextureCoords = &this->addVertexAttrib("inTextureCoords", kVec2f_GrVertexAttribType);
-    this->addTextureAccess(&fTextureAccess);
+    this->addTextureSampler(&fTextureSampler);
 }
 
 void GrDistanceFieldPathGeoProc::getGLSLProcessorKey(const GrGLSLCaps& caps,
@@ -594,8 +594,8 @@
         vertBuilder->codeAppendf("%s = %s;", uv.vsOut(), dfTexEffect.inTextureCoords()->fName);
 
         // compute numbers to be hardcoded to convert texture coordinates from float to int
-        SkASSERT(dfTexEffect.numTextures() == 1);
-        GrTexture* atlas = dfTexEffect.textureAccess(0).getTexture();
+        SkASSERT(dfTexEffect.numTextureSamplers() == 1);
+        GrTexture* atlas = dfTexEffect.textureSampler(0).getTexture();
         SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height()));
 
         GrGLSLVertToFrag st(kVec2f_GrSLType);
@@ -760,8 +760,8 @@
         b->add32(key);
 
         // Currently we hardcode numbers to convert atlas coordinates to normalized floating point
-        SkASSERT(gp.numTextures() == 1);
-        GrTexture* atlas = gp.textureAccess(0).getTexture();
+        SkASSERT(gp.numTextureSamplers() == 1);
+        GrTexture* atlas = gp.textureSampler(0).getTexture();
         SkASSERT(atlas);
         b->add32(atlas->width());
         b->add32(atlas->height());
@@ -786,7 +786,7 @@
                                                   uint32_t flags, bool usesLocalCoords)
     : fColor(color)
     , fViewMatrix(viewMatrix)
-    , fTextureAccess(texture, params)
+    , fTextureSampler(texture, params)
     , fDistanceAdjust(distanceAdjust)
     , fFlags(flags & kLCD_DistanceFieldEffectMask)
     , fUsesLocalCoords(usesLocalCoords) {
@@ -797,7 +797,7 @@
     fInColor = &this->addVertexAttrib("inColor", kVec4ub_GrVertexAttribType);
     fInTextureCoords = &this->addVertexAttrib("inTextureCoords", kVec2us_GrVertexAttribType,
                                               kHigh_GrSLPrecision);
-    this->addTextureAccess(&fTextureAccess);
+    this->addTextureSampler(&fTextureSampler);
 }
 
 void GrDistanceFieldLCDTextGeoProc::getGLSLProcessorKey(const GrGLSLCaps& caps,