Adds local coords to GrEffect system.

src/gpu/effects/GrConfigConversionEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConfigConversionEffect.h"
 #include "GrContext.h"
 #include "GrTBackendEffectFactory.h"
 #include "GrSimpleTextureEffect.h"
 #include "gl/GrGLEffect.h"
 #include "gl/GrGLEffectMatrix.h"
 #include "SkMatrix.h"
 
 class GrGLConfigConversionEffect : public GrGLEffect {
 public:
     GrGLConfigConversionEffect(const GrBackendEffectFactory& factory,
-                               const GrEffectRef& s) : INHERITED (factory) {
-        const GrConfigConversionEffect& effect = CastEffect<GrConfigConversionEffect>(s);
+                               const GrDrawEffect& drawEffect)
+    : INHERITED (factory)
+    , fEffectMatrix(drawEffect.castEffect<GrConfigConversionEffect>().coordsType()) {
+        const GrConfigConversionEffect& effect = drawEffect.castEffect<GrConfigConversionEffect>();
         fSwapRedAndBlue = effect.swapsRedAndBlue();
         fPMConversion = effect.pmConversion();
     }
 
     virtual void emitCode(GrGLShaderBuilder* builder,
-                          const GrEffectStage&,
+                          const GrDrawEffect&,
                           EffectKey key,
-                          const char* vertexCoords,
                           const char* outputColor,
                           const char* inputColor,
                           const TextureSamplerArray& samplers) SK_OVERRIDE {
         const char* coords;
-        GrSLType coordsType = fEffectMatrix.emitCode(builder, key, vertexCoords, &coords);
+        GrSLType coordsType = fEffectMatrix.emitCode(builder, key, &coords);
         builder->fsCodeAppendf("\t\t%s = ", outputColor);
         builder->appendTextureLookup(GrGLShaderBuilder::kFragment_ShaderType,
                                      samplers[0],
                                      coords,
                                      coordsType);
         builder->fsCodeAppend(";\n");
         if (GrConfigConversionEffect::kNone_PMConversion == fPMConversion) {
             GrAssert(fSwapRedAndBlue);
             builder->fsCodeAppendf("\t%s = %s.bgra;\n", outputColor, outputColor);
         } else {
@@ skipping 20 matching lines @@
                 default:
                     GrCrash("Unknown conversion op.");
                     break;
             }
         }
         SkString modulate;
         GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor);
         builder->fsCodeAppend(modulate.c_str());
     }
 
-    void setData(const GrGLUniformManager& uman, const GrEffectStage& stage) {
-        const GrConfigConversionEffect& effect =
-            GetEffectFromStage<GrConfigConversionEffect>(stage);
-        fEffectMatrix.setData(uman,
-                              effect.getMatrix(),
-                              stage.getCoordChangeMatrix(),
-                              effect.texture(0));
+    void setData(const GrGLUniformManager& uman, const GrDrawEffect& drawEffect) {
+        const GrConfigConversionEffect& conv = drawEffect.castEffect<GrConfigConversionEffect>();
+        fEffectMatrix.setData(uman, conv.getMatrix(), drawEffect, conv.texture(0));
     }
 
-    static inline EffectKey GenKey(const GrEffectStage& s, const GrGLCaps&) {
-        const GrConfigConversionEffect& effect = GetEffectFromStage<GrConfigConversionEffect>(s);
-        EffectKey key = static_cast<EffectKey>(effect.swapsRedAndBlue()) |
-                        (effect.pmConversion() << 1);
+    static inline EffectKey GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&) {
+        const GrConfigConversionEffect& conv = drawEffect.castEffect<GrConfigConversionEffect>();
+        EffectKey key = static_cast<EffectKey>(conv.swapsRedAndBlue()) | (conv.pmConversion() << 1);
         key <<= GrGLEffectMatrix::kKeyBits;
-        EffectKey matrixKey =  GrGLEffectMatrix::GenKey(effect.getMatrix(),
-                                                        s.getCoordChangeMatrix(),
-                                                        effect.texture(0));
+        EffectKey matrixKey =  GrGLEffectMatrix::GenKey(conv.getMatrix(),
+                                                        drawEffect,
+                                                        conv.coordsType(),
+                                                        conv.texture(0));
         GrAssert(!(matrixKey & key));
         return matrixKey | key;
     }
 
 private:
     bool                                    fSwapRedAndBlue;
     GrConfigConversionEffect::PMConversion  fPMConversion;
     GrGLEffectMatrix                        fEffectMatrix;
 
     typedef GrGLEffect INHERITED;
@@ skipping 181 matching lines @@
             // The PM conversions assume colors are 0..255
             return NULL;
         }
         AutoEffectUnref effect(SkNEW_ARGS(GrConfigConversionEffect, (texture,
                                                                      swapRedAndBlue,
                                                                      pmConversion,
                                                                      matrix)));
         return CreateEffectRef(effect);
     }
 }