Revert of removing GrDrawEffect

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 494 matching lines @@
 
 /////////////////////////////////////////////////////////////////////
 
 #if SK_SUPPORT_GPU
 
 #include "GrTBackendEffectFactory.h"
 
 class GrGLPerlinNoise : public GrGLEffect {
 public:
     GrGLPerlinNoise(const GrBackendEffectFactory& factory,
-                    const GrEffect& effect);
+                    const GrDrawEffect& drawEffect);
     virtual ~GrGLPerlinNoise() {}
 
     virtual void emitCode(GrGLProgramBuilder*,
-                          const GrEffect&,
+                          const GrDrawEffect&,
                           const GrEffectKey&,
                           const char* outputColor,
                           const char* inputColor,
                           const TransformedCoordsArray&,
                           const TextureSamplerArray&) SK_OVERRIDE;
 
-    virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVERRIDE;
+    virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE;
 
-    static inline void GenKey(const GrEffect&, const GrGLCaps&, GrEffectKeyBuilder* b);
+    static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder* b);
 
 private:
 
     GrGLProgramDataManager::UniformHandle fStitchDataUni;
     SkPerlinNoiseShader::Type             fType;
     bool                                  fStitchTiles;
     int                                   fNumOctaves;
     GrGLProgramDataManager::UniformHandle fBaseFrequencyUni;
     GrGLProgramDataManager::UniformHandle fAlphaUni;
 
@@ skipping 28 matching lines @@
     bool stitchTiles() const { return fStitchTiles; }
     const SkVector& baseFrequency() const { return fPaintingData->fBaseFrequency; }
     int numOctaves() const { return fNumOctaves; }
     const SkMatrix& matrix() const { return fCoordTransform.getMatrix(); }
     uint8_t alpha() const { return fAlpha; }
 
     typedef GrGLPerlinNoise GLEffect;
 
 private:
     virtual bool onIsEqual(const GrEffect& sBase) const SK_OVERRIDE {
-        const GrPerlinNoiseEffect& s = sBase.cast<GrPerlinNoiseEffect>();
+        const GrPerlinNoiseEffect& s = CastEffect<GrPerlinNoiseEffect>(sBase);
         return fType == s.fType &&
                fPaintingData->fBaseFrequency == s.fPaintingData->fBaseFrequency &&
                fNumOctaves == s.fNumOctaves &&
                fStitchTiles == s.fStitchTiles &&
                fCoordTransform.getMatrix() == s.fCoordTransform.getMatrix() &&
                fAlpha == s.fAlpha &&
                fPermutationsAccess.getTexture() == s.fPermutationsAccess.getTexture() &&
                fNoiseAccess.getTexture() == s.fNoiseAccess.getTexture() &&
                fPaintingData->fStitchDataInit == s.fPaintingData->fStitchDataInit;
     }
@@ skipping 61 matching lines @@
     SkPaint paint;
     GrColor paintColor;
     GrEffect* effect;
     SkAssertResult(shader->asNewEffect(context, paint, NULL, &paintColor, &effect));
 
     SkDELETE(shader);
 
     return effect;
 }
 
-GrGLPerlinNoise::GrGLPerlinNoise(const GrBackendEffectFactory& factory, const GrEffect& effect)
+GrGLPerlinNoise::GrGLPerlinNoise(const GrBackendEffectFactory& factory, const GrDrawEffect& drawEffect)
   : INHERITED (factory)
-  , fType(effect.cast<GrPerlinNoiseEffect>().type())
-  , fStitchTiles(effect.cast<GrPerlinNoiseEffect>().stitchTiles())
-  , fNumOctaves(effect.cast<GrPerlinNoiseEffect>().numOctaves()) {
+  , fType(drawEffect.castEffect<GrPerlinNoiseEffect>().type())
+  , fStitchTiles(drawEffect.castEffect<GrPerlinNoiseEffect>().stitchTiles())
+  , fNumOctaves(drawEffect.castEffect<GrPerlinNoiseEffect>().numOctaves()) {
 }
 
 void GrGLPerlinNoise::emitCode(GrGLProgramBuilder* builder,
-                               const GrEffect&,
+                               const GrDrawEffect&,
                                const GrEffectKey& key,
                                const char* outputColor,
                                const char* inputColor,
                                const TransformedCoordsArray& coords,
                                const TextureSamplerArray& samplers) {
     sk_ignore_unused_variable(inputColor);
 
     GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     SkString vCoords = fsBuilder->ensureFSCoords2D(coords, 0);
 
@@ skipping 234 matching lines @@
     fsBuilder->codeAppendf("\n\t\t%s.a *= %s;", outputColor, alphaUni);
 
     // Clamp values
     fsBuilder->codeAppendf("\n\t\t%s = clamp(%s, 0.0, 1.0);", outputColor, outputColor);
 
     // Pre-multiply the result
     fsBuilder->codeAppendf("\n\t\t%s = vec4(%s.rgb * %s.aaa, %s.a);\n",
                   outputColor, outputColor, outputColor, outputColor);
 }
 
-void GrGLPerlinNoise::GenKey(const GrEffect& effect, const GrGLCaps&, GrEffectKeyBuilder* b) {
-    const GrPerlinNoiseEffect& turbulence = effect.cast<GrPerlinNoiseEffect>();
+void GrGLPerlinNoise::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, GrEffectKeyBuilder* b) {
+    const GrPerlinNoiseEffect& turbulence = drawEffect.castEffect<GrPerlinNoiseEffect>();
 
     uint32_t key = turbulence.numOctaves();
 
     key = key << 3; // Make room for next 3 bits
 
     switch (turbulence.type()) {
         case SkPerlinNoiseShader::kFractalNoise_Type:
             key |= 0x1;
             break;
         case SkPerlinNoiseShader::kTurbulence_Type:
             key |= 0x2;
             break;
         default:
             // leave key at 0
             break;
     }
 
     if (turbulence.stitchTiles()) {
         key |= 0x4; // Flip the 3rd bit if tile stitching is on
     }
 
     b->add32(key);
 }
 
-void GrGLPerlinNoise::setData(const GrGLProgramDataManager& pdman, const GrEffect& effect) {
-    INHERITED::setData(pdman, effect);
+void GrGLPerlinNoise::setData(const GrGLProgramDataManager& pdman, const GrDrawEffect& drawEffect) {
+    INHERITED::setData(pdman, drawEffect);
 
-    const GrPerlinNoiseEffect& turbulence = effect.cast<GrPerlinNoiseEffect>();
+    const GrPerlinNoiseEffect& turbulence = drawEffect.castEffect<GrPerlinNoiseEffect>();
 
     const SkVector& baseFrequency = turbulence.baseFrequency();
     pdman.set2f(fBaseFrequencyUni, baseFrequency.fX, baseFrequency.fY);
     pdman.set1f(fAlphaUni, SkScalarDiv(SkIntToScalar(turbulence.alpha()), SkIntToScalar(255)));
 
     if (turbulence.stitchTiles()) {
         const SkPerlinNoiseShader::StitchData& stitchData = turbulence.stitchData();
         pdman.set2f(fStitchDataUni, SkIntToScalar(stitchData.fWidth),
                                    SkIntToScalar(stitchData.fHeight));
     }
@@ skipping 100 matching lines @@
     str->append(" seed: ");
     str->appendScalar(fSeed);
     str->append(" stitch tiles: ");
     str->append(fStitchTiles ? "true " : "false ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif