Make addUniform take a precision

src/effects/SkPerlinNoiseShader.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDither.h"
 #include "SkPerlinNoiseShader.h"
 #include "SkColorFilter.h"
@@ skipping 633 matching lines @@
                                const char* outputColor,
                                const char* inputColor,
                                const TransformedCoordsArray& coords,
                                const TextureSamplerArray& samplers) {
     sk_ignore_unused_variable(inputColor);
 
     GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     SkString vCoords = fsBuilder->ensureFSCoords2D(coords, 0);
 
     fBaseFrequencyUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                            kVec2f_GrSLType, "baseFrequency");
+                                            kVec2f_GrSLType, kDefault_GrSLPrecision,
+                                            "baseFrequency");
     const char* baseFrequencyUni = builder->getUniformCStr(fBaseFrequencyUni);
     fAlphaUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                    kFloat_GrSLType, "alpha");
+                                    kFloat_GrSLType, kDefault_GrSLPrecision,
+                                    "alpha");
     const char* alphaUni = builder->getUniformCStr(fAlphaUni);
 
     const char* stitchDataUni = NULL;
     if (fStitchTiles) {
         fStitchDataUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                             kVec2f_GrSLType, "stitchData");
+                                             kVec2f_GrSLType, kDefault_GrSLPrecision,
+                                             "stitchData");
         stitchDataUni = builder->getUniformCStr(fStitchDataUni);
     }
 
     // There are 4 lines, so the center of each line is 1/8, 3/8, 5/8 and 7/8
     const char* chanCoordR  = "0.125";
     const char* chanCoordG  = "0.375";
     const char* chanCoordB  = "0.625";
     const char* chanCoordA  = "0.875";
     const char* chanCoord   = "chanCoord";
     const char* stitchData  = "stitchData";
@@ skipping 353 matching lines @@
     str->append(" seed: ");
     str->appendScalar(fSeed);
     str->append(" stitch tiles: ");
     str->append(fStitchTiles ? "true " : "false ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif