Initial refactor of shaderbuilder

src/effects/SkArithmeticMode.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 "SkArithmeticMode.h"
 #include "SkColorPriv.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkString.h"
 #include "SkUnPreMultiply.h"
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #include "GrCoordTransform.h"
 #include "gl/GrGLEffect.h"
-#include "gl/GrGLShaderBuilder.h"
+#include "gl/builders/GrGLProgramBuilder.h"
 #include "GrTBackendEffectFactory.h"
 #endif
 
 static const bool gUseUnpremul = false;
 
 class SkArithmeticMode_scalar : public SkXfermode {
 public:
     static SkArithmeticMode_scalar* Create(SkScalar k1, SkScalar k2, SkScalar k3, SkScalar k4,
                                            bool enforcePMColor) {
         return SkNEW_ARGS(SkArithmeticMode_scalar, (k1, k2, k3, k4, enforcePMColor));
@@ skipping 216 matching lines @@
 
 //////////////////////////////////////////////////////////////////////////////
 
 #if SK_SUPPORT_GPU
 
 class GrGLArithmeticEffect : public GrGLEffect {
 public:
     GrGLArithmeticEffect(const GrBackendEffectFactory&, const GrDrawEffect&);
     virtual ~GrGLArithmeticEffect();
 
-    virtual void emitCode(GrGLShaderBuilder*,
+    virtual void emitCode(GrGLProgramBuilder*,
                           const GrDrawEffect&,
                           const GrEffectKey&,
                           const char* outputColor,
                           const char* inputColor,
                           const TransformedCoordsArray&,
                           const TextureSamplerArray&) SK_OVERRIDE;
 
     virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE;
 
     static void GenKey(const GrDrawEffect&, const GrGLCaps& caps, GrEffectKeyBuilder* b);
@@ skipping 86 matching lines @@
 
 GrGLArithmeticEffect::GrGLArithmeticEffect(const GrBackendEffectFactory& factory,
                                            const GrDrawEffect& drawEffect)
    : INHERITED(factory),
      fEnforcePMColor(true) {
 }
 
 GrGLArithmeticEffect::~GrGLArithmeticEffect() {
 }
 
-void GrGLArithmeticEffect::emitCode(GrGLShaderBuilder* builder,
+void GrGLArithmeticEffect::emitCode(GrGLProgramBuilder* builder,
                                     const GrDrawEffect& drawEffect,
                                     const GrEffectKey& key,
                                     const char* outputColor,
                                     const char* inputColor,
                                     const TransformedCoordsArray& coords,
                                     const TextureSamplerArray& samplers) {
 
     GrTexture* backgroundTex = drawEffect.castEffect<GrArithmeticEffect>().backgroundTexture();
+    GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     const char* dstColor;
     if (backgroundTex) {
-        builder->fsCodeAppend("\t\tvec4 bgColor = ");
-        builder->fsAppendTextureLookup(samplers[0], coords[0].c_str(), coords[0].type());
-        builder->fsCodeAppendf(";\n");
+        fsBuilder->codeAppend("\t\tvec4 bgColor = ");
+        fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coords[0].type());
+        fsBuilder->codeAppendf(";\n");
         dstColor = "bgColor";
     } else {
-        dstColor = builder->dstColor();
+        dstColor = fsBuilder->dstColor();
     }
 
     SkASSERT(NULL != dstColor);
-    fKUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+    fKUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                 kVec4f_GrSLType, "k");
     const char* kUni = builder->getUniformCStr(fKUni);
 
     // We don't try to optimize for this case at all
     if (NULL == inputColor) {
-        builder->fsCodeAppendf("\t\tconst vec4 src = vec4(1);\n");
+        fsBuilder->codeAppendf("\t\tconst vec4 src = vec4(1);\n");
     } else {
-        builder->fsCodeAppendf("\t\tvec4 src = %s;\n", inputColor);
+        fsBuilder->codeAppendf("\t\tvec4 src = %s;\n", inputColor);
         if (gUseUnpremul) {
-            builder->fsCodeAppendf("\t\tsrc.rgb = clamp(src.rgb / src.a, 0.0, 1.0);\n");
+            fsBuilder->codeAppendf("\t\tsrc.rgb = clamp(src.rgb / src.a, 0.0, 1.0);\n");
         }
     }
 
-    builder->fsCodeAppendf("\t\tvec4 dst = %s;\n", dstColor);
+    fsBuilder->codeAppendf("\t\tvec4 dst = %s;\n", dstColor);
     if (gUseUnpremul) {
-        builder->fsCodeAppendf("\t\tdst.rgb = clamp(dst.rgb / dst.a, 0.0, 1.0);\n");
+        fsBuilder->codeAppendf("\t\tdst.rgb = clamp(dst.rgb / dst.a, 0.0, 1.0);\n");
     }
 
-    builder->fsCodeAppendf("\t\t%s = %s.x * src * dst + %s.y * src + %s.z * dst + %s.w;\n", outputColor, kUni, kUni, kUni, kUni);
-    builder->fsCodeAppendf("\t\t%s = clamp(%s, 0.0, 1.0);\n", outputColor, outputColor);
+    fsBuilder->codeAppendf("\t\t%s = %s.x * src * dst + %s.y * src + %s.z * dst + %s.w;\n", outputColor, kUni, kUni, kUni, kUni);
+    fsBuilder->codeAppendf("\t\t%s = clamp(%s, 0.0, 1.0);\n", outputColor, outputColor);
     if (gUseUnpremul) {
-        builder->fsCodeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor);
+        fsBuilder->codeAppendf("\t\t%s.rgb *= %s.a;\n", outputColor, outputColor);
     } else if (fEnforcePMColor) {
-        builder->fsCodeAppendf("\t\t%s.rgb = min(%s.rgb, %s.a);\n", outputColor, outputColor, outputColor);
+        fsBuilder->codeAppendf("\t\t%s.rgb = min(%s.rgb, %s.a);\n", outputColor, outputColor, outputColor);
     }
 }
 
 void GrGLArithmeticEffect::setData(const GrGLProgramDataManager& pdman, const GrDrawEffect& drawEffect) {
     const GrArithmeticEffect& arith = drawEffect.castEffect<GrArithmeticEffect>();
     pdman.set4f(fKUni, arith.k1(), arith.k2(), arith.k3(), arith.k4());
     fEnforcePMColor = arith.enforcePMColor();
 }
 
 void GrGLArithmeticEffect::GenKey(const GrDrawEffect& drawEffect,
@@ skipping 31 matching lines @@
                                              background);
     }
     return true;
 }
 
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkArithmeticMode)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkArithmeticMode_scalar)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END