Move XferProcessors to glsl

src/gpu/effects/GrPorterDuffXferProcessor.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 "effects/GrPorterDuffXferProcessor.h"
 
 #include "GrBlend.h"
 #include "GrCaps.h"
 #include "GrProcessor.h"
 #include "GrProcOptInfo.h"
 #include "GrTypes.h"
 #include "GrXferProcessor.h"
-#include "gl/GrGLXferProcessor.h"
 #include "glsl/GrGLSLBlend.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
 #include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
+#include "glsl/GrGLSLXferProcessor.h"
 
 /**
  * Wraps the shader outputs and HW blend state that comprise a Porter Duff blend mode with coverage.
  */
 struct BlendFormula {
 public:
     /**
      * Values the shader can write to primary and secondary outputs. These must all be modulated by
      * coverage to support mixed samples. The XP will ignore the multiplies when not using coverage.
      */
@@ skipping 309 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 class PorterDuffXferProcessor : public GrXferProcessor {
 public:
     PorterDuffXferProcessor(BlendFormula blendFormula) : fBlendFormula(blendFormula) {
         this->initClassID<PorterDuffXferProcessor>();
     }
 
     const char* name() const override { return "Porter Duff"; }
 
-    GrGLXferProcessor* createGLInstance() const override;
+    GrGLSLXferProcessor* createGLInstance() const override;
 
     BlendFormula getBlendFormula() const { return fBlendFormula; }
 
 private:
     GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
                                                  const GrProcOptInfo& coveragePOI,
                                                  bool doesStencilWrite,
                                                  GrColor* overrideColor,
                                                  const GrCaps& caps) override;
 
@@ skipping 60 matching lines @@
             } else {
                 fsBuilder->codeAppendf("%s = vec4(1.0) - %s;", output, inColor);
             }
             break;
         default:
             SkFAIL("Unsupported output type.");
             break;
     }
 }
 
-class GLPorterDuffXferProcessor : public GrGLXferProcessor {
+class GLPorterDuffXferProcessor : public GrGLSLXferProcessor {
 public:
     static void GenKey(const GrProcessor& processor, GrProcessorKeyBuilder* b) {
         const PorterDuffXferProcessor& xp = processor.cast<PorterDuffXferProcessor>();
         b->add32(SkToInt(xp.readsCoverage()) |
                  (xp.getBlendFormula().fPrimaryOutputType << 1) |
                  (xp.getBlendFormula().fSecondaryOutputType << 4));
         GR_STATIC_ASSERT(BlendFormula::kLast_OutputType < 8);
     };
 
 private:
     void emitOutputsForBlendState(const EmitArgs& args) override {
         const PorterDuffXferProcessor& xp = args.fXP.cast<PorterDuffXferProcessor>();
         GrGLSLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
 
         BlendFormula blendFormula = xp.getBlendFormula();
         if (blendFormula.hasSecondaryOutput()) {
             append_color_output(xp, fsBuilder, blendFormula.fSecondaryOutputType,
                                 args.fOutputSecondary, args.fInputColor, args.fInputCoverage);
         }
         append_color_output(xp, fsBuilder, blendFormula.fPrimaryOutputType,
                             args.fOutputPrimary, args.fInputColor, args.fInputCoverage);
     }
 
     void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {}
 
-    typedef GrGLXferProcessor INHERITED;
+    typedef GrGLSLXferProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&,
                                                   GrProcessorKeyBuilder* b) const {
     GLPorterDuffXferProcessor::GenKey(*this, b);
 }
 
-GrGLXferProcessor* PorterDuffXferProcessor::createGLInstance() const {
+GrGLSLXferProcessor* PorterDuffXferProcessor::createGLInstance() const {
     return new GLPorterDuffXferProcessor;
 }
 
 GrXferProcessor::OptFlags
 PorterDuffXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI,
                                             const GrProcOptInfo& coveragePOI,
                                             bool doesStencilWrite,
                                             GrColor* overrideColor,
                                             const GrCaps& caps) {
     GrXferProcessor::OptFlags optFlags = GrXferProcessor::kNone_OptFlags;
@@ skipping 27 matching lines @@
     ShaderPDXferProcessor(const DstTexture* dstTexture,
                           bool hasMixedSamples,
                           SkXfermode::Mode xfermode)
         : INHERITED(dstTexture, true, hasMixedSamples)
         , fXfermode(xfermode) {
         this->initClassID<ShaderPDXferProcessor>();
     }
 
     const char* name() const override { return "Porter Duff Shader"; }
 
-    GrGLXferProcessor* createGLInstance() const override;
+    GrGLSLXferProcessor* createGLInstance() const override;
 
     SkXfermode::Mode getXfermode() const { return fXfermode; }
 
 private:
     GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo&, const GrProcOptInfo&,
                                                  bool, GrColor*, const GrCaps&) override {
         return kNone_OptFlags;
     }
 
     void onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override;
 
     bool onIsEqual(const GrXferProcessor& xpBase) const override {
         const ShaderPDXferProcessor& xp = xpBase.cast<ShaderPDXferProcessor>();
         return fXfermode == xp.fXfermode;
     }
 
     const SkXfermode::Mode fXfermode;
 
     typedef GrXferProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
-class GLShaderPDXferProcessor : public GrGLXferProcessor {
+class GLShaderPDXferProcessor : public GrGLSLXferProcessor {
 public:
     static void GenKey(const GrProcessor& processor, GrProcessorKeyBuilder* b) {
         const ShaderPDXferProcessor& xp = processor.cast<ShaderPDXferProcessor>();
         b->add32(xp.getXfermode());
     }
 
 private:
     void emitBlendCodeForDstRead(GrGLSLXPBuilder* pb, const char* srcColor, const char* dstColor,
                                  const char* outColor, const GrXferProcessor& proc) override {
         const ShaderPDXferProcessor& xp = proc.cast<ShaderPDXferProcessor>();
         GrGLSLXPFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder();
 
         GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.getXfermode());
     }
 
     void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {}
 
-    typedef GrGLXferProcessor INHERITED;
+    typedef GrGLSLXferProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void ShaderPDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&,
                                                 GrProcessorKeyBuilder* b) const {
     GLShaderPDXferProcessor::GenKey(*this, b);
 }
 
-GrGLXferProcessor* ShaderPDXferProcessor::createGLInstance() const {
+GrGLSLXferProcessor* ShaderPDXferProcessor::createGLInstance() const {
     return new GLShaderPDXferProcessor;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class PDLCDXferProcessor : public GrXferProcessor {
 public:
     static GrXferProcessor* Create(SkXfermode::Mode xfermode, const GrProcOptInfo& colorPOI);
 
     ~PDLCDXferProcessor() override;
 
     const char* name() const override { return "Porter Duff LCD"; }
 
-    GrGLXferProcessor* createGLInstance() const override;
+    GrGLSLXferProcessor* createGLInstance() const override;
 
 private:
     PDLCDXferProcessor(GrColor blendConstant, uint8_t alpha);
 
     GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
                                                  const GrProcOptInfo& coveragePOI,
                                                  bool doesStencilWrite,
                                                  GrColor* overrideColor,
                                                  const GrCaps& caps) override;
 
@@ skipping 15 matching lines @@
     }
 
     GrColor      fBlendConstant;
     uint8_t      fAlpha;
 
     typedef GrXferProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
-class GLPDLCDXferProcessor : public GrGLXferProcessor {
+class GLPDLCDXferProcessor : public GrGLSLXferProcessor {
 public:
     GLPDLCDXferProcessor(const GrProcessor&) {}
 
     virtual ~GLPDLCDXferProcessor() {}
 
     static void GenKey(const GrProcessor& processor, const GrGLSLCaps& caps,
                        GrProcessorKeyBuilder* b) {}
 
 private:
     void emitOutputsForBlendState(const EmitArgs& args) override {
         GrGLSLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
         fsBuilder->codeAppendf("%s = %s * %s;", args.fOutputPrimary, args.fInputColor,
                                args.fInputCoverage);
     }
 
     void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {};
 
-    typedef GrGLXferProcessor INHERITED;
+    typedef GrGLSLXferProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 PDLCDXferProcessor::PDLCDXferProcessor(GrColor blendConstant, uint8_t alpha)
     : fBlendConstant(blendConstant)
     , fAlpha(alpha) {
     this->initClassID<PDLCDXferProcessor>();
 }
 
@@ skipping 15 matching lines @@
 }
 
 PDLCDXferProcessor::~PDLCDXferProcessor() {
 }
 
 void PDLCDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps& caps,
                                              GrProcessorKeyBuilder* b) const {
     GLPDLCDXferProcessor::GenKey(*this, caps, b);
 }
 
-GrGLXferProcessor* PDLCDXferProcessor::createGLInstance() const {
+GrGLSLXferProcessor* PDLCDXferProcessor::createGLInstance() const {
     return new GLPDLCDXferProcessor(*this);
 }
 
 GrXferProcessor::OptFlags
 PDLCDXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI,
                                        const GrProcOptInfo& coveragePOI,
                                        bool doesStencilWrite,
                                        GrColor* overrideColor,
                                        const GrCaps& caps) {
         // We want to force our primary output to be alpha * Coverage, where alpha is the alpha
@@ skipping 138 matching lines @@
                                                  int* outPrimary,
                                                  int* outSecondary) {
     if (!!strcmp(xp->name(), "Porter Duff")) {
         *outPrimary = *outSecondary = -1;
         return;
     }
     BlendFormula blendFormula = static_cast<const PorterDuffXferProcessor*>(xp)->getBlendFormula();
     *outPrimary = blendFormula.fPrimaryOutputType;
     *outSecondary = blendFormula.fSecondaryOutputType;
 }