Initial refactor of shaderbuilder

src/effects/SkMorphologyImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkMorphologyImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkRect.h"
 #include "SkMorphology_opts.h"
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #include "GrTexture.h"
 #include "GrTBackendEffectFactory.h"
 #include "gl/GrGLEffect.h"
-#include "gl/GrGLShaderBuilder.h"
+#include "gl/builders/GrGLProgramBuilder.h"
 #include "effects/Gr1DKernelEffect.h"
 #endif
 
 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
 SkMorphologyImageFilter::SkMorphologyImageFilter(SkReadBuffer& buffer)
   : INHERITED(1, buffer) {
     fRadius.fWidth = buffer.readInt();
     fRadius.fHeight = buffer.readInt();
     buffer.validate((fRadius.fWidth >= 0) &&
                     (fRadius.fHeight >= 0));
@@ skipping 291 matching lines @@
 
     typedef Gr1DKernelEffect INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrGLMorphologyEffect : public GrGLEffect {
 public:
     GrGLMorphologyEffect (const GrBackendEffectFactory&, const GrDrawEffect&);
 
-    virtual void emitCode(GrGLShaderBuilder*,
+    virtual void emitCode(GrGLProgramBuilder*,
                           const GrDrawEffect&,
                           const GrEffectKey&,
                           const char* outputColor,
                           const char* inputColor,
                           const TransformedCoordsArray&,
                           const TextureSamplerArray&) SK_OVERRIDE;
 
     static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder* b);
 
     virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE;
 
 private:
     int width() const { return GrMorphologyEffect::WidthFromRadius(fRadius); }
 
     int                                   fRadius;
     GrMorphologyEffect::MorphologyType    fType;
     GrGLProgramDataManager::UniformHandle fImageIncrementUni;
 
     typedef GrGLEffect INHERITED;
 };
 
 GrGLMorphologyEffect::GrGLMorphologyEffect(const GrBackendEffectFactory& factory,
                                            const GrDrawEffect& drawEffect)
     : INHERITED(factory) {
     const GrMorphologyEffect& m = drawEffect.castEffect<GrMorphologyEffect>();
     fRadius = m.radius();
     fType = m.type();
 }
 
-void GrGLMorphologyEffect::emitCode(GrGLShaderBuilder* builder,
+void GrGLMorphologyEffect::emitCode(GrGLProgramBuilder* builder,
                                     const GrDrawEffect&,
                                     const GrEffectKey& key,
                                     const char* outputColor,
                                     const char* inputColor,
                                     const TransformedCoordsArray& coords,
                                     const TextureSamplerArray& samplers) {
-    SkString coords2D = builder->ensureFSCoords2D(coords, 0);
-    fImageIncrementUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+    fImageIncrementUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                              kVec2f_GrSLType, "ImageIncrement");
 
+    GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+    SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0);
     const char* func;
     switch (fType) {
         case GrMorphologyEffect::kErode_MorphologyType:
-            builder->fsCodeAppendf("\t\t%s = vec4(1, 1, 1, 1);\n", outputColor);
+            fsBuilder->codeAppendf("\t\t%s = vec4(1, 1, 1, 1);\n", outputColor);
             func = "min";
             break;
         case GrMorphologyEffect::kDilate_MorphologyType:
-            builder->fsCodeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", outputColor);
+            fsBuilder->codeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", outputColor);
             func = "max";
             break;
         default:
             SkFAIL("Unexpected type");
             func = ""; // suppress warning
             break;
     }
     const char* imgInc = builder->getUniformCStr(fImageIncrementUni);
 
-    builder->fsCodeAppendf("\t\tvec2 coord = %s - %d.0 * %s;\n", coords2D.c_str(), fRadius, imgInc);
-    builder->fsCodeAppendf("\t\tfor (int i = 0; i < %d; i++) {\n", this->width());
-    builder->fsCodeAppendf("\t\t\t%s = %s(%s, ", outputColor, func, outputColor);
-    builder->fsAppendTextureLookup(samplers[0], "coord");
-    builder->fsCodeAppend(");\n");
-    builder->fsCodeAppendf("\t\t\tcoord += %s;\n", imgInc);
-    builder->fsCodeAppend("\t\t}\n");
+    fsBuilder->codeAppendf("\t\tvec2 coord = %s - %d.0 * %s;\n", coords2D.c_str(), fRadius, imgInc);
+    fsBuilder->codeAppendf("\t\tfor (int i = 0; i < %d; i++) {\n", this->width());
+    fsBuilder->codeAppendf("\t\t\t%s = %s(%s, ", outputColor, func, outputColor);
+    fsBuilder->appendTextureLookup(samplers[0], "coord");
+    fsBuilder->codeAppend(");\n");
+    fsBuilder->codeAppendf("\t\t\tcoord += %s;\n", imgInc);
+    fsBuilder->codeAppend("\t\t}\n");
     SkString modulate;
     GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor);
-    builder->fsCodeAppend(modulate.c_str());
+    fsBuilder->codeAppend(modulate.c_str());
 }
 
 void GrGLMorphologyEffect::GenKey(const GrDrawEffect& drawEffect,
                                   const GrGLCaps&, GrEffectKeyBuilder* b) {
     const GrMorphologyEffect& m = drawEffect.castEffect<GrMorphologyEffect>();
     uint32_t key = static_cast<uint32_t>(m.radius());
     key |= (m.type() << 8);
     b->add32(key);
 }
 
@@ skipping 189 matching lines @@
                                          SkBitmap* result, SkIPoint* offset) const {
     return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset);
 }
 
 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx,
                                         SkBitmap* result, SkIPoint* offset) const {
     return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset);
 }
 
 #endif