switched SkSL's temporary 'highfloat' type back to 'float'

Bug: skia:
Change-Id: If0debae7318b6b5b4a7cb85d458996a09931127e
Reviewed-on: https://skia-review.googlesource.com/48760
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index c297560..671bec6 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -87,7 +87,7 @@
         case kIgnore_Mode: {
             builder->codeAppendf("%s = ", outColor);
             builder->appendTextureLookupAndModulate(inModulateColor, sampler, inCoords.c_str(),
-                                                    kHighFloat2_GrSLType, colorXformHelper);
+                                                    kFloat2_GrSLType, colorXformHelper);
             builder->codeAppend(";");
             break;
         }
@@ -98,7 +98,7 @@
 
             builder->codeAppendf("%s = ", outColor);
             builder->appendTextureLookupAndModulate(inModulateColor, sampler, clampedCoords.c_str(),
-                                                    kHighFloat2_GrSLType, colorXformHelper);
+                                                    kFloat2_GrSLType, colorXformHelper);
             builder->codeAppend(";");
             break;
         }
@@ -117,11 +117,11 @@
                 builder->codeAppend("half4 outside = half4(0.0, 0.0, 0.0, 0.0);");
                 builder->codeAppend("half4 inside = ");
                 builder->appendTextureLookupAndModulate(inModulateColor, sampler, inCoords.c_str(),
-                                                        kHighFloat2_GrSLType, colorXformHelper);
+                                                        kFloat2_GrSLType, colorXformHelper);
                 builder->codeAppend(";");
 
-                builder->codeAppendf("highfloat x = (%s).x;", inCoords.c_str());
-                builder->codeAppendf("highfloat y = (%s).y;", inCoords.c_str());
+                builder->codeAppendf("float x = (%s).x;", inCoords.c_str());
+                builder->codeAppendf("float y = (%s).y;", inCoords.c_str());
 
                 builder->codeAppendf("x = abs(2.0*(x - %s.x)/(%s.z - %s.x) - 1.0);",
                                      domain, domain, domain);
@@ -138,7 +138,7 @@
                 builder->codeAppendf("%s = any(outside) ? half4(0.0, 0.0, 0.0, 0.0) : ",
                                        outColor);
                 builder->appendTextureLookupAndModulate(inModulateColor, sampler, inCoords.c_str(),
-                                                        kHighFloat2_GrSLType, colorXformHelper);
+                                                        kFloat2_GrSLType, colorXformHelper);
                 builder->codeAppend(";");
             }
             break;
@@ -151,7 +151,7 @@
 
             builder->codeAppendf("%s = ", outColor);
             builder->appendTextureLookupAndModulate(inModulateColor, sampler, clampedCoords.c_str(),
-                                                    kHighFloat2_GrSLType, colorXformHelper);
+                                                    kFloat2_GrSLType, colorXformHelper);
             builder->codeAppend(";");
             break;
         }