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Unified Diff: src/utils/debugger/SkOverdrawMode.cpp

Issue 1626443002: Revert of Add gpu implementation of OverdrawXfermode (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 11 months ago
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Index: src/utils/debugger/SkOverdrawMode.cpp
diff --git a/src/utils/debugger/SkOverdrawMode.cpp b/src/utils/debugger/SkOverdrawMode.cpp
deleted file mode 100644
index a4fc7a1a464ce4b7fbc06e47c9d1374bf1680c44..0000000000000000000000000000000000000000
--- a/src/utils/debugger/SkOverdrawMode.cpp
+++ /dev/null
@@ -1,323 +0,0 @@
-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkColorPriv.h"
-#include "SkOverdrawMode.h"
-#include "SkString.h"
-#include "SkXfermode.h"
-
-#if SK_SUPPORT_GPU
-#include "GrFragmentProcessor.h"
-#include "GrInvariantOutput.h"
-#include "GrXferProcessor.h"
-#include "glsl/GrGLSLFragmentProcessor.h"
-#include "glsl/GrGLSLFragmentShaderBuilder.h"
-#include "glsl/GrGLSLXferProcessor.h"
-
- ///////////////////////////////////////////////////////////////////////////////
- // Fragment Processor
- ///////////////////////////////////////////////////////////////////////////////
-
-class GLOverdrawFP;
-
-class GrOverdrawFP : public GrFragmentProcessor {
-public:
- static const GrFragmentProcessor* Create(const GrFragmentProcessor* dst) {
- return new GrOverdrawFP(dst);
- }
-
- ~GrOverdrawFP() override { }
-
- const char* name() const override { return "Overdraw"; }
-
- SkString dumpInfo() const override {
- SkString str;
- return str;
- }
-
-private:
- GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
-
- void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder* b) const override;
-
- bool onIsEqual(const GrFragmentProcessor&) const override { return true; }
-
- void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
- inout->setToUnknown(GrInvariantOutput::kWill_ReadInput);
- }
-
- GrOverdrawFP(const GrFragmentProcessor* dst) {
- this->initClassID<GrOverdrawFP>();
-
- SkASSERT(dst);
- SkDEBUGCODE(int dstIndex = )this->registerChildProcessor(dst);
- SkASSERT(0 == dstIndex);
- }
-
- GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
- typedef GrFragmentProcessor INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-static void add_overdraw_code(GrGLSLFragmentBuilder* fragBuilder,
- const char* dstColor,
- const char* outputColor) {
-
- fragBuilder->codeAppend("vec4 gTable[11] = vec4[11](");
- fragBuilder->codeAppend("vec4(0, 0, 0, 0.0),");
- fragBuilder->codeAppend("vec4(0.5, 0.617, 1.0, 1.0),");
- fragBuilder->codeAppend("vec4(0.664, 0.723, 0.83, 1.0),");
- fragBuilder->codeAppend("vec4(0.832, 0.762, 0.664, 1.0),");
- fragBuilder->codeAppend("vec4(1, 0.75, 0.496, 1.0),");
- fragBuilder->codeAppend("vec4(1, 0.723, 0.332, 1.0),");
- fragBuilder->codeAppend("vec4(1, 0.645, 0.164, 1.0),");
- fragBuilder->codeAppend("vec4(1, 0.527, 0, 1.0),");
- fragBuilder->codeAppend("vec4(1, 0.371, 0, 1.0),");
- fragBuilder->codeAppend("vec4(1, 0.195, 0, 1.0),");
- fragBuilder->codeAppend("vec4(1, 0, 0, 1.0)");
- fragBuilder->codeAppend(");");
-
- fragBuilder->codeAppend("int nextIdx;");
- fragBuilder->codeAppendf("vec4 dst = %s;", dstColor);
- fragBuilder->codeAppend("if (dst.r < 0.25) { nextIdx = 1; }");
- // cap 'idx' at 10
- fragBuilder->codeAppend("else if (dst.g < 0.0977) { nextIdx = 10; }");
- fragBuilder->codeAppend("else if (dst.b > 0.08) { nextIdx = 8 - int(6 * dst.b + 0.5); }");
- fragBuilder->codeAppend("else { nextIdx = 11 - int(5.7 * dst.g + 0.5); }");
- fragBuilder->codeAppendf("%s = gTable[nextIdx];", outputColor);
-}
-
-class GLOverdrawFP : public GrGLSLFragmentProcessor {
-public:
- GLOverdrawFP(const GrOverdrawFP&) {}
-
- ~GLOverdrawFP() override {}
-
- void emitCode(EmitArgs& args) override {
- GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
- SkString dstColor("dstColor");
- this->emitChild(0, nullptr, &dstColor, args);
-
- add_overdraw_code(fragBuilder, dstColor.c_str(), args.fOutputColor);
- }
-
- static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*) { }
-
-private:
- typedef GrGLSLFragmentProcessor INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-GrGLSLFragmentProcessor* GrOverdrawFP::onCreateGLSLInstance() const {
- return new GLOverdrawFP(*this);
-}
-
-void GrOverdrawFP::onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const {
- GLOverdrawFP::GenKey(*this, caps, b);
-}
-
-const GrFragmentProcessor* GrOverdrawFP::TestCreate(GrProcessorTestData* d) {
- SkAutoTUnref<const GrFragmentProcessor> dst(GrProcessorUnitTest::CreateChildFP(d));
- return new GrOverdrawFP(dst);
-}
-
-GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrOverdrawFP);
-
-///////////////////////////////////////////////////////////////////////////////
-// Xfer Processor
-///////////////////////////////////////////////////////////////////////////////
-
-class OverdrawXP : public GrXferProcessor {
-public:
- OverdrawXP(const DstTexture* dstTexture, bool hasMixedSamples)
- : INHERITED(dstTexture, true, hasMixedSamples) {
- this->initClassID<OverdrawXP>();
- }
-
- const char* name() const override { return "Overdraw"; }
-
- GrGLSLXferProcessor* createGLSLInstance() const override;
-
-private:
- GrXferProcessor::OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
- bool doesStencilWrite,
- GrColor* overrideColor,
- const GrCaps& caps) const override {
- // We never look at the color input
- return GrXferProcessor::kIgnoreColor_OptFlag;
- }
-
- void onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override;
-
- bool onIsEqual(const GrXferProcessor&) const override { return true; }
-
- typedef GrXferProcessor INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-class GLOverdrawXP : public GrGLSLXferProcessor {
-public:
- GLOverdrawXP(const OverdrawXP&) { }
-
- ~GLOverdrawXP() override {}
-
- static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*) { }
-
-private:
- void emitBlendCodeForDstRead(GrGLSLXPFragmentBuilder* fragBuilder,
- GrGLSLUniformHandler* uniformHandler,
- const char* srcColor,
- const char* srcCoverage,
- const char* dstColor,
- const char* outColor,
- const char* outColorSecondary,
- const GrXferProcessor& proc) override {
- add_overdraw_code(fragBuilder, dstColor, outColor);
-
- // Apply coverage.
- INHERITED::DefaultCoverageModulation(fragBuilder, srcCoverage, dstColor, outColor,
- outColorSecondary, proc);
- }
-
- void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override { };
-
- typedef GrGLSLXferProcessor INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-void OverdrawXP::onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const {
- GLOverdrawXP::GenKey(*this, caps, b);
-}
-
-GrGLSLXferProcessor* OverdrawXP::createGLSLInstance() const { return new GLOverdrawXP(*this); }
-
-///////////////////////////////////////////////////////////////////////////////
-class GrOverdrawXPFactory : public GrXPFactory {
-public:
- static GrXPFactory* Create() { return new GrOverdrawXPFactory(); }
-
- void getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
- GrXPFactory::InvariantBlendedColor* blendedColor) const override {
- blendedColor->fWillBlendWithDst = true;
- blendedColor->fKnownColorFlags = kNone_GrColorComponentFlags;
- }
-
-private:
- GrOverdrawXPFactory() {
- this->initClassID<GrOverdrawXPFactory>();
- }
-
- GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
- const GrPipelineOptimizations& optimizations,
- bool hasMixedSamples,
- const DstTexture* dstTexture) const override {
- return new OverdrawXP(dstTexture, hasMixedSamples);
- }
-
- bool willReadDstColor(const GrCaps& caps,
- const GrPipelineOptimizations& optimizations,
- bool hasMixedSamples) const override {
- return true;
- }
-
- bool onIsEqual(const GrXPFactory& xpfBase) const override { return true; }
-
- GR_DECLARE_XP_FACTORY_TEST;
-
- typedef GrXPFactory INHERITED;
-};
-
-GR_DEFINE_XP_FACTORY_TEST(GrOverdrawXPFactory);
-
-const GrXPFactory* GrOverdrawXPFactory::TestCreate(GrProcessorTestData* d) {
- return GrOverdrawXPFactory::Create();
-}
-#endif
-
-///////////////////////////////////////////////////////////////////////////////
-class SkOverdrawXfermode : public SkXfermode {
-public:
- static SkXfermode* Create() {
- return new SkOverdrawXfermode;
- }
-
- SkPMColor xferColor(SkPMColor src, SkPMColor dst) const override {
- // This table encodes the color progression of the overdraw visualization
- static const SkPMColor gTable[] = {
- SkPackARGB32(0x00, 0x00, 0x00, 0x00),
- SkPackARGB32(0xFF, 128, 158, 255),
- SkPackARGB32(0xFF, 170, 185, 212),
- SkPackARGB32(0xFF, 213, 195, 170),
- SkPackARGB32(0xFF, 255, 192, 127),
- SkPackARGB32(0xFF, 255, 185, 85),
- SkPackARGB32(0xFF, 255, 165, 42),
- SkPackARGB32(0xFF, 255, 135, 0),
- SkPackARGB32(0xFF, 255, 95, 0),
- SkPackARGB32(0xFF, 255, 50, 0),
- SkPackARGB32(0xFF, 255, 0, 0)
- };
-
-
- int nextIdx;
- if (SkColorGetR(dst) < 64) { // dst color is the 0th color so the next color is 1
- nextIdx = 1;
- } else if (SkColorGetG(dst) < 25) { // dst color is the 10th color so cap there
- nextIdx = 10;
- } else if ((SkColorGetB(dst)+21)/42 > 0) { // dst color is one of 1-6
- nextIdx = 8 - (SkColorGetB(dst)+21)/42;
- } else { // dst color is between 7 and 9
- nextIdx = 11 - (SkColorGetG(dst)+22)/45;
- }
- SkASSERT(nextIdx < (int)SK_ARRAY_COUNT(gTable));
-
- return gTable[nextIdx];
- }
-
- SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOverdrawXfermode)
-
-#if SK_SUPPORT_GPU
- bool asFragmentProcessor(const GrFragmentProcessor** output,
- const GrFragmentProcessor* dst) const override {
- if (output) {
- *output = GrOverdrawFP::Create(dst);
- }
- return true;
- }
-
- bool asXPFactory(GrXPFactory** xpf) const override {
- if (xpf) {
- *xpf = GrOverdrawXPFactory::Create();
- }
- return true;
- }
-#endif
-
-#ifndef SK_IGNORE_TO_STRING
- void toString(SkString* str) const override { str->set("SkOverdrawXfermode"); }
-#endif
-
-private:
- friend class SkOverdrawMode;
-
- void flatten(SkWriteBuffer& buffer) const override { }
-
- typedef SkXfermode INHERITED;
-};
-
-SkFlattenable* SkOverdrawXfermode::CreateProc(SkReadBuffer& buffer) {
- return Create();
-}
-
-SkXfermode* SkOverdrawMode::Create() { return new SkOverdrawXfermode; }
-
-SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkOverdrawMode)
- SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkOverdrawXfermode)
-SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END
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