Added tree structure to GrGLFragmentProcessor, i.e. GL instances

src/gpu/effects/GrConvexPolyEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConvexPolyEffect.h"
 #include "GrInvariantOutput.h"
 #include "SkPathPriv.h"
 #include "gl/GrGLFragmentProcessor.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 //////////////////////////////////////////////////////////////////////////////
 class AARectEffect : public GrFragmentProcessor {
 public:
     const SkRect& getRect() const { return fRect; }
 
     static GrFragmentProcessor* Create(GrPrimitiveEdgeType edgeType, const SkRect& rect) {
         return SkNEW_ARGS(AARectEffect, (edgeType, rect));
     }
 
     GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
 
     const char* name() const override { return "AARect"; }
 
     void onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override;
 
-    GrGLFragmentProcessor* createGLInstance() const override;
-
 private:
     AARectEffect(GrPrimitiveEdgeType edgeType, const SkRect& rect)
         : fRect(rect), fEdgeType(edgeType) {
         this->initClassID<AARectEffect>();
         this->setWillReadFragmentPosition();
     }
 
+    GrGLFragmentProcessor* onCreateGLInstance() const override;
+
     bool onIsEqual(const GrFragmentProcessor& other) const override {
         const AARectEffect& aare = other.cast<AARectEffect>();
         return fRect == aare.fRect;
     }
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
         if (fRect.isEmpty()) {
             // An empty rect will have no coverage anywhere.
             inout->mulByKnownSingleComponent(0);
         } else {
@@ skipping 30 matching lines @@
 //////////////////////////////////////////////////////////////////////////////
 
 class GLAARectEffect : public GrGLFragmentProcessor {
 public:
     GLAARectEffect(const GrProcessor&);
 
     virtual void emitCode(EmitArgs&) override;
 
     static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*);
 
-    void setData(const GrGLProgramDataManager&, const GrProcessor&) override;
+protected:
+    void onSetData(const GrGLProgramDataManager&, const GrProcessor&) override;
 
 private:
     GrGLProgramDataManager::UniformHandle fRectUniform;
     SkRect                                fPrevRect;
     typedef GrGLFragmentProcessor INHERITED;
 };
 
 GLAARectEffect::GLAARectEffect(const GrProcessor& effect) {
     fPrevRect.fLeft = SK_ScalarNaN;
 }
@@ skipping 30 matching lines @@
         fsBuilder->codeAppendf("\t\talpha *= (%s.w - %s.y) > -0.5 ? 1.0 : 0.0;\n", rectName, fragmentPos);
     }
 
     if (GrProcessorEdgeTypeIsInverseFill(aare.getEdgeType())) {
         fsBuilder->codeAppend("\t\talpha = 1.0 - alpha;\n");
     }
     fsBuilder->codeAppendf("\t\t%s = %s;\n", args.fOutputColor,
                            (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")).c_str());
 }
 
-void GLAARectEffect::setData(const GrGLProgramDataManager& pdman, const GrProcessor& processor) {
+void GLAARectEffect::onSetData(const GrGLProgramDataManager& pdman, const GrProcessor& processor) {
     const AARectEffect& aare = processor.cast<AARectEffect>();
     const SkRect& rect = aare.getRect();
     if (rect != fPrevRect) {
         pdman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f,
                    rect.fRight - 0.5f, rect.fBottom - 0.5f);
         fPrevRect = rect;
     }
 }
 
 void GLAARectEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&,
                             GrProcessorKeyBuilder* b) {
     const AARectEffect& aare = processor.cast<AARectEffect>();
     b->add32(aare.getEdgeType());
 }
 
 void AARectEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const {
     GLAARectEffect::GenKey(*this, caps, b);
 }
 
-GrGLFragmentProcessor* AARectEffect::createGLInstance() const  {
+GrGLFragmentProcessor* AARectEffect::onCreateGLInstance() const  {
     return SkNEW_ARGS(GLAARectEffect, (*this));
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 class GrGLConvexPolyEffect : public GrGLFragmentProcessor {
 public:
     GrGLConvexPolyEffect(const GrProcessor&);
 
     virtual void emitCode(EmitArgs&) override;
 
     static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*);
 
-    void setData(const GrGLProgramDataManager&, const GrProcessor&) override;
+protected:
+    void onSetData(const GrGLProgramDataManager&, const GrProcessor&) override;
 
 private:
     GrGLProgramDataManager::UniformHandle fEdgeUniform;
     SkScalar                              fPrevEdges[3 * GrConvexPolyEffect::kMaxEdges];
     typedef GrGLFragmentProcessor INHERITED;
 };
 
 GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrProcessor&) {
     fPrevEdges[0] = SK_ScalarNaN;
 }
@@ skipping 28 matching lines @@
         fsBuilder->codeAppend("\t\tif (-1.0 == alpha) {\n\t\t\tdiscard;\n\t\t}\n");
     }
 
     if (GrProcessorEdgeTypeIsInverseFill(cpe.getEdgeType())) {
         fsBuilder->codeAppend("\talpha = 1.0 - alpha;\n");
     }
     fsBuilder->codeAppendf("\t%s = %s;\n", args.fOutputColor,
                            (GrGLSLExpr4(args.fInputColor) * GrGLSLExpr1("alpha")).c_str());
 }
 
-void GrGLConvexPolyEffect::setData(const GrGLProgramDataManager& pdman, const GrProcessor& effect) {
+void GrGLConvexPolyEffect::onSetData(const GrGLProgramDataManager& pdman, const GrProcessor& effect) {
     const GrConvexPolyEffect& cpe = effect.cast<GrConvexPolyEffect>();
     size_t byteSize = 3 * cpe.getEdgeCount() * sizeof(SkScalar);
     if (0 != memcmp(fPrevEdges, cpe.getEdges(), byteSize)) {
         pdman.set3fv(fEdgeUniform, cpe.getEdgeCount(), cpe.getEdges());
         memcpy(fPrevEdges, cpe.getEdges(), byteSize);
     }
 }
 
 void GrGLConvexPolyEffect::GenKey(const GrProcessor& processor, const GrGLSLCaps&,
                                   GrProcessorKeyBuilder* b) {
@@ skipping 67 matching lines @@
 
 void GrConvexPolyEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     inout->mulByUnknownSingleComponent();
 }
 
 void GrConvexPolyEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
                                            GrProcessorKeyBuilder* b) const {
     GrGLConvexPolyEffect::GenKey(*this, caps, b);
 }
 
-GrGLFragmentProcessor* GrConvexPolyEffect::createGLInstance() const  {
+GrGLFragmentProcessor* GrConvexPolyEffect::onCreateGLInstance() const  {
     return SkNEW_ARGS(GrGLConvexPolyEffect, (*this));
 }
 
 GrConvexPolyEffect::GrConvexPolyEffect(GrPrimitiveEdgeType edgeType, int n, const SkScalar edges[])
     : fEdgeType(edgeType)
     , fEdgeCount(n) {
     this->initClassID<GrConvexPolyEffect>();
     // Factory function should have already ensured this.
     SkASSERT(n <= kMaxEdges);
     memcpy(fEdges, edges, 3 * n * sizeof(SkScalar));
@@ skipping 24 matching lines @@
     }
 
     GrFragmentProcessor* fp;
     do {
         GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>(
                 d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt));
         fp = GrConvexPolyEffect::Create(edgeType, count, edges);
     } while (NULL == fp);
     return fp;
 }