Adds local coords to GrEffect system.

src/effects/gradients/SkLinearGradient.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 "SkLinearGradient.h"
 
@@ skipping 435 matching lines @@
 
 #if SK_SUPPORT_GPU
 
 #include "GrTBackendEffectFactory.h"
 
 /////////////////////////////////////////////////////////////////////
 
 class GrGLLinearGradient : public GrGLGradientEffect {
 public:
 
-    GrGLLinearGradient(const GrBackendEffectFactory& factory, const GrEffectRef&)
+    GrGLLinearGradient(const GrBackendEffectFactory& factory, const GrDrawEffect&)
                        : INHERITED (factory) { }
 
     virtual ~GrGLLinearGradient() { }
 
     virtual void emitCode(GrGLShaderBuilder*,
-                          const GrEffectStage&,
+                          const GrDrawEffect&,
                           EffectKey,
-                          const char* vertexCoords,
                           const char* outputColor,
                           const char* inputColor,
                           const TextureSamplerArray&) SK_OVERRIDE;
 
-    static EffectKey GenKey(const GrEffectStage& stage, const GrGLCaps&) {
-        return GenMatrixKey(stage);
+    static EffectKey GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&) {
+        return GenMatrixKey(drawEffect);
     }
 
 private:
 
     typedef GrGLGradientEffect INHERITED;
 };
 
 /////////////////////////////////////////////////////////////////////
 
 class GrLinearGradient : public GrGradientEffect {
@@ skipping 45 matching lines @@
     SkAutoTUnref<SkShader> shader(SkGradientShader::CreateLinear(points,
                                                                  colors, stops, colorCount,
                                                                  tm));
     SkPaint paint;
     return shader->asNewEffect(context, paint);
 }
 
 /////////////////////////////////////////////////////////////////////
 
 void GrGLLinearGradient::emitCode(GrGLShaderBuilder* builder,
-                                  const GrEffectStage& stage,
+                                  const GrDrawEffect&,
                                   EffectKey key,
-                                  const char* vertexCoords,
                                   const char* outputColor,
                                   const char* inputColor,
                                   const TextureSamplerArray& samplers) {
     this->emitYCoordUniform(builder);
     const char* coords;
-    this->setupMatrix(builder, key, vertexCoords, &coords);
+    this->setupMatrix(builder, key, &coords);
     SkString t;
     t.append(coords);
     t.append(".x");
     this->emitColorLookup(builder, t.c_str(), outputColor, inputColor, samplers[0]);
 }
 
 /////////////////////////////////////////////////////////////////////
 
 GrEffectRef* SkLinearGradient::asNewEffect(GrContext* context, const SkPaint&) const {
     SkASSERT(NULL != context);
@@ skipping 19 matching lines @@
     str->append("SkLinearGradient (");
 
     str->appendf("start: (%f, %f)", fStart.fX, fStart.fY);
     str->appendf(" end: (%f, %f) ", fEnd.fX, fEnd.fY);
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif