Make GPU coord transforms automatic

src/gpu/effects/GrCustomCoordsTextureEffect.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 "GrCustomCoordsTextureEffect.h"
 #include "gl/GrGLEffect.h"
-#include "gl/GrGLEffectMatrix.h"
 #include "gl/GrGLSL.h"
 #include "gl/GrGLTexture.h"
 #include "GrTBackendEffectFactory.h"
 #include "GrTexture.h"
 
 class GrGLCustomCoordsTextureEffect : public GrGLEffect {
 public:
     GrGLCustomCoordsTextureEffect(const GrBackendEffectFactory& factory, const GrDrawEffect& drawEffect)
         : INHERITED (factory) {}
 
     virtual void emitCode(GrGLShaderBuilder* builder,
                           const GrDrawEffect& drawEffect,
                           EffectKey key,
                           const char* outputColor,
                           const char* inputColor,
+                          const TransformedCoordsArray&,
                           const TextureSamplerArray& samplers) SK_OVERRIDE {
         GrGLShaderBuilder::VertexBuilder* vertexBuilder = builder->getVertexBuilder();
         SkASSERT(NULL != vertexBuilder);
         SkASSERT(1 == drawEffect.castEffect<GrCustomCoordsTextureEffect>().numVertexAttribs());
 
         SkString fsCoordName;
         const char* vsVaryingName;
         const char* fsVaryingNamePtr;
         vertexBuilder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &fsVaryingNamePtr);
         fsCoordName = fsVaryingNamePtr;
 
         const char* attrName =
             vertexBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0])->c_str();
         vertexBuilder->vsCodeAppendf("\t%s = %s;\n", vsVaryingName, attrName);
 
         builder->fsCodeAppendf("\t%s = ", outputColor);
         builder->fsAppendTextureLookupAndModulate(inputColor,
                                                   samplers[0],
                                                   fsCoordName.c_str(),
                                                   kVec2f_GrSLType);
         builder->fsCodeAppend(";\n");
     }
 
-    static inline EffectKey GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&) {
-        return 1 << GrGLEffectMatrix::kKeyBits;
-    }
-
     virtual void setData(const GrGLUniformManager& uman,
                          const GrDrawEffect& drawEffect) SK_OVERRIDE {}
 
 private:
     typedef GrGLEffect INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrCustomCoordsTextureEffect::GrCustomCoordsTextureEffect(GrTexture* texture,
@@ skipping 39 matching lines @@
     };
     SkShader::TileMode tileModes[] = {
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
     };
     GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBilerp_FilterMode :
                                                            GrTextureParams::kNone_FilterMode);
 
     return GrCustomCoordsTextureEffect::Create(textures[texIdx], params);
 }