Make all GrFragmentProcessors GL independent.

src/gpu/effects/GrXfermodeFragmentProcessor.cpp

 /*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "effects/GrXfermodeFragmentProcessor.h"
 
 #include "GrFragmentProcessor.h"
 #include "effects/GrConstColorProcessor.h"
-#include "gl/GrGLFragmentProcessor.h"
-#include "gl/GrGLSLBlend.h"
+#include "glsl/GrGLSLFragmentProcessor.h"
+#include "glsl/GrGLSLBlend.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
 #include "glsl/GrGLSLProgramBuilder.h"
 #include "SkGrPriv.h"
 
 class ComposeTwoFragmentProcessor : public GrFragmentProcessor {
 public:
     ComposeTwoFragmentProcessor(const GrFragmentProcessor* src, const GrFragmentProcessor* dst,
                     SkXfermode::Mode mode)
         : fMode(mode) {
         this->initClassID<ComposeTwoFragmentProcessor>();
@@ skipping 15 matching lines @@
     bool onIsEqual(const GrFragmentProcessor& other) const override {
         const ComposeTwoFragmentProcessor& cs = other.cast<ComposeTwoFragmentProcessor>();
         return fMode == cs.fMode;
     }
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
         inout->setToUnknown(GrInvariantOutput::kWill_ReadInput);
     }
 
 private:
-    GrGLFragmentProcessor* onCreateGLInstance() const override;
+    GrGLSLFragmentProcessor* onCreateGLInstance() const override;
 
     SkXfermode::Mode fMode;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 /////////////////////////////////////////////////////////////////////
 
-class GLComposeTwoFragmentProcessor : public GrGLFragmentProcessor {
+class GLComposeTwoFragmentProcessor : public GrGLSLFragmentProcessor {
 public:
     GLComposeTwoFragmentProcessor(const GrProcessor& processor) {}
 
     void emitCode(EmitArgs&) override;
 
 private:
-    typedef GrGLFragmentProcessor INHERITED;
+    typedef GrGLSLFragmentProcessor INHERITED;
 };
 
 /////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ComposeTwoFragmentProcessor);
 
 const GrFragmentProcessor* ComposeTwoFragmentProcessor::TestCreate(GrProcessorTestData* d) {
     // Create two random frag procs.
     SkAutoTUnref<const GrFragmentProcessor> fpA(GrProcessorUnitTest::CreateChildFP(d));
     SkAutoTUnref<const GrFragmentProcessor> fpB(GrProcessorUnitTest::CreateChildFP(d));
 
     SkXfermode::Mode mode = static_cast<SkXfermode::Mode>(
         d->fRandom->nextRangeU(0, SkXfermode::kLastMode));
     return new ComposeTwoFragmentProcessor(fpA, fpB, mode);
 }
 
-GrGLFragmentProcessor* ComposeTwoFragmentProcessor::onCreateGLInstance() const{
+GrGLSLFragmentProcessor* ComposeTwoFragmentProcessor::onCreateGLInstance() const{
     return new GLComposeTwoFragmentProcessor(*this);
 }
 
 /////////////////////////////////////////////////////////////////////
 
 void GLComposeTwoFragmentProcessor::emitCode(EmitArgs& args) {
 
     GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
     const ComposeTwoFragmentProcessor& cs = args.fFp.cast<ComposeTwoFragmentProcessor>();
 
@@ skipping 100 matching lines @@
                     readsInput = GrInvariantOutput::kWill_ReadInput;
                 }
             }
             inout->setToOther(blendFlags, blendColor, readsInput);
         } else {
             inout->setToUnknown(GrInvariantOutput::kWill_ReadInput);
         }
     }
 
 private:
-    GrGLFragmentProcessor* onCreateGLInstance() const override;
+    GrGLSLFragmentProcessor* onCreateGLInstance() const override;
 
     SkXfermode::Mode    fMode;
     Child               fChild;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
-class GLComposeOneFragmentProcessor : public GrGLFragmentProcessor {
+class GLComposeOneFragmentProcessor : public GrGLSLFragmentProcessor {
 public:
     GLComposeOneFragmentProcessor(const GrProcessor& processor) {}
 
     void emitCode(EmitArgs& args) override {
         GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
         SkXfermode::Mode mode = args.fFp.cast<ComposeOneFragmentProcessor>().mode();
         ComposeOneFragmentProcessor::Child child =
             args.fFp.cast<ComposeOneFragmentProcessor>().child();
         SkString childColor("child");
         this->emitChild(0, nullptr, &childColor, args);
 
         const char* inputColor = args.fInputColor;
         // We don't try to optimize for this case at all
         if (!inputColor) {
             fsBuilder->codeAppendf("const vec4 ones = vec4(1);");
             inputColor = "ones";
         }
 
         // emit blend code
         fsBuilder->codeAppendf("// Compose Xfer Mode: %s\n", SkXfermode::ModeName(mode));
         const char* childStr = childColor.c_str();
         if (ComposeOneFragmentProcessor::kDst_Child == child) {
             GrGLSLBlend::AppendMode(fsBuilder, inputColor, childStr, args.fOutputColor, mode);
         } else {
             GrGLSLBlend::AppendMode(fsBuilder, childStr, inputColor, args.fOutputColor, mode);
         }
     }
 
 private:
-    typedef GrGLFragmentProcessor INHERITED;
+    typedef GrGLSLFragmentProcessor INHERITED;
 };
 
 /////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ComposeOneFragmentProcessor);
 
 const GrFragmentProcessor* ComposeOneFragmentProcessor::TestCreate(GrProcessorTestData* d) {
     // Create one random frag procs.
     // For now, we'll prevent either children from being a shader with children to prevent the
     // possibility of an arbitrarily large tree of procs.
     SkAutoTUnref<const GrFragmentProcessor> dst(GrProcessorUnitTest::CreateChildFP(d));
     SkXfermode::Mode mode = static_cast<SkXfermode::Mode>(
         d->fRandom->nextRangeU(0, SkXfermode::kLastMode));
     ComposeOneFragmentProcessor::Child child = d->fRandom->nextBool() ?
         ComposeOneFragmentProcessor::kDst_Child :
         ComposeOneFragmentProcessor::kSrc_Child;
     return new ComposeOneFragmentProcessor(dst, mode, child);
 }
 
-GrGLFragmentProcessor* ComposeOneFragmentProcessor::onCreateGLInstance() const {
+GrGLSLFragmentProcessor* ComposeOneFragmentProcessor::onCreateGLInstance() const {
     return new GLComposeOneFragmentProcessor(*this);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 const GrFragmentProcessor* GrXfermodeFragmentProcessor::CreateFromDstProcessor(
     const GrFragmentProcessor* dst, SkXfermode::Mode mode) {
     switch (mode) {
         case SkXfermode::kClear_Mode:
             return GrConstColorProcessor::Create(GrColor_TRANSPARENT_BLACK,
@@ skipping 12 matching lines @@
         case SkXfermode::kClear_Mode:
             return GrConstColorProcessor::Create(GrColor_TRANSPARENT_BLACK,
                                                  GrConstColorProcessor::kIgnore_InputMode);
         case SkXfermode::kDst_Mode:
             return nullptr;
         default:
             return new ComposeOneFragmentProcessor(src, mode,
                                                    ComposeOneFragmentProcessor::kSrc_Child);
     }
 }