From 8bc3cf88bbf5e5d5724356f076931bb70a6117ba Mon Sep 17 00:00:00 2001 From: robertphillips Date: Wed, 20 Jan 2016 12:00:21 -0800 Subject: [PATCH] Add gpu implementation of OverdrawXfermode GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1607253002 Review URL: https://codereview.chromium.org/1607253002 --- debugger/QT/SkDebuggerGUI.cpp | 2 +- debugger/QT/SkSettingsWidget.cpp | 12 +- gyp/debugger.gyp | 2 + gyp/dm.gypi | 2 + gyp/gmslides.gypi | 2 + gyp/tests.gypi | 2 + src/effects/SkArithmeticMode.cpp | 8 +- src/effects/SkArithmeticMode_gpu.cpp | 13 +- src/gpu/GrProcessor.cpp | 4 +- src/gpu/effects/GrCustomXfermode.cpp | 13 +- src/gpu/effects/GrPorterDuffXferProcessor.cpp | 13 +- src/gpu/glsl/GrGLSLXferProcessor.cpp | 18 ++ src/gpu/glsl/GrGLSLXferProcessor.h | 8 + src/utils/debugger/SkDebugCanvas.cpp | 50 +--- src/utils/debugger/SkOverdrawMode.cpp | 323 ++++++++++++++++++++++++++ src/utils/debugger/SkOverdrawMode.h | 25 ++ 16 files changed, 406 insertions(+), 91 deletions(-) create mode 100644 src/utils/debugger/SkOverdrawMode.cpp create mode 100644 src/utils/debugger/SkOverdrawMode.h diff --git a/debugger/QT/SkDebuggerGUI.cpp b/debugger/QT/SkDebuggerGUI.cpp index 0d009b3..0c369f6 100644 --- a/debugger/QT/SkDebuggerGUI.cpp +++ b/debugger/QT/SkDebuggerGUI.cpp @@ -202,7 +202,6 @@ void SkDebuggerGUI::actionPlay() { void SkDebuggerGUI::actionRasterSettingsChanged() { fCanvasWidget.setWidgetVisibility(SkCanvasWidget::kRaster_8888_WidgetType, !fSettingsWidget.isRasterEnabled()); - fDebugger.setOverdrawViz(fSettingsWidget.isOverdrawVizEnabled()); this->updateImage(); } @@ -210,6 +209,7 @@ void SkDebuggerGUI::actionVisualizationsChanged() { fDebugger.setMegaViz(fSettingsWidget.isMegaVizEnabled()); fDebugger.setPathOps(fSettingsWidget.isPathOpsEnabled()); fDebugger.highlightCurrentCommand(fSettingsWidget.isVisibilityFilterEnabled()); + fDebugger.setOverdrawViz(fSettingsWidget.isOverdrawVizEnabled()); this->updateImage(); } diff --git a/debugger/QT/SkSettingsWidget.cpp b/debugger/QT/SkSettingsWidget.cpp index 59b7920..4665217 100644 --- a/debugger/QT/SkSettingsWidget.cpp +++ b/debugger/QT/SkSettingsWidget.cpp @@ -21,30 +21,36 @@ SkSettingsWidget::SkSettingsWidget() : QFrame() // Visualizations toggles. fVisualizationsGroup.setTitle("Visualizations"); + fVisibilityFilterCheckBox.setText("Visibility Filter"); fVisualizationsLayout.addWidget(&fVisibilityFilterCheckBox); + fMegaVizCheckBox.setText("Mega Viz"); fVisualizationsLayout.addWidget(&fMegaVizCheckBox); + fPathOpsCheckBox.setText("PathOps "); fVisualizationsLayout.addWidget(&fPathOpsCheckBox); + + fOverdrawVizCheckBox.setText("Overdraw Viz"); + fVisualizationsLayout.addWidget(&fOverdrawVizCheckBox); + fVisualizationsGroup.setLayout(&fVisualizationsLayout); + connect(&fVisibilityFilterCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(visualizationsChanged())); connect(&fMegaVizCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(visualizationsChanged())); connect(&fPathOpsCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(visualizationsChanged())); + connect(&fOverdrawVizCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(visualizationsChanged())); fVerticalLayout.addRow(&fVisualizationsGroup); // Raster toggles. fRasterGroup.setTitle("Raster"); fRasterGroup.setCheckable(true); - fOverdrawVizCheckBox.setText("Overdraw Viz"); - fRasterLayout.addWidget(&fOverdrawVizCheckBox); fRasterGroup.setLayout(&fRasterLayout); fVerticalLayout.addRow(&fRasterGroup); connect(&fRasterGroup, SIGNAL(toggled(bool)), this, SIGNAL(rasterSettingsChanged())); - connect(&fOverdrawVizCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(rasterSettingsChanged())); #if SK_SUPPORT_GPU fGLGroup.setTitle("OpenGL"); diff --git a/gyp/debugger.gyp b/gyp/debugger.gyp index 6cc2a40..fb02696 100644 --- a/gyp/debugger.gyp +++ b/gyp/debugger.gyp @@ -101,6 +101,8 @@ '../src/utils/debugger/SkDrawCommand.cpp', '../src/utils/debugger/SkObjectParser.h', '../src/utils/debugger/SkObjectParser.cpp', + '../src/utils/debugger/SkOverdrawMode.h', + '../src/utils/debugger/SkOverdrawMode.cpp', '../debugger/debuggermain.cpp', '../debugger/QT/SkDebuggerGUI.cpp', '../debugger/QT/SkDebuggerGUI.h', diff --git a/gyp/dm.gypi b/gyp/dm.gypi index 8ad3e68..bb21923 100644 --- a/gyp/dm.gypi +++ b/gyp/dm.gypi @@ -44,6 +44,8 @@ '../src/utils/debugger/SkDebugCanvas.cpp', '../src/utils/debugger/SkDrawCommand.cpp', '../src/utils/debugger/SkObjectParser.cpp', + '../src/utils/debugger/SkOverdrawMode.h', + '../src/utils/debugger/SkOverdrawMode.cpp', ], 'conditions': [ [ 'skia_gpu == 1', { diff --git a/gyp/gmslides.gypi b/gyp/gmslides.gypi index 87910e5..cf5d162 100644 --- a/gyp/gmslides.gypi +++ b/gyp/gmslides.gypi @@ -27,6 +27,8 @@ '../src/utils/debugger/SkDebugCanvas.cpp', '../src/utils/debugger/SkObjectParser.h', '../src/utils/debugger/SkObjectParser.cpp', + '../src/utils/debugger/SkOverdrawMode.h', + '../src/utils/debugger/SkOverdrawMode.cpp', ], }], ], diff --git a/gyp/tests.gypi b/gyp/tests.gypi index 10bfdb4..5f3df96 100644 --- a/gyp/tests.gypi +++ b/gyp/tests.gypi @@ -57,6 +57,8 @@ '../src/utils/debugger/SkDebugCanvas.cpp', '../src/utils/debugger/SkObjectParser.h', '../src/utils/debugger/SkObjectParser.cpp', + '../src/utils/debugger/SkOverdrawMode.h', + '../src/utils/debugger/SkOverdrawMode.cpp', ], 'sources!': [ '../tests/SkpSkGrTest.cpp', diff --git a/src/effects/SkArithmeticMode.cpp b/src/effects/SkArithmeticMode.cpp index 87af82e..3a8c8f3 100644 --- a/src/effects/SkArithmeticMode.cpp +++ b/src/effects/SkArithmeticMode.cpp @@ -19,13 +19,13 @@ static const bool gUseUnpremul = false; class SkArithmeticMode_scalar : public SkXfermode { public: - static SkArithmeticMode_scalar* Create(SkScalar k1, SkScalar k2, SkScalar k3, SkScalar k4, - bool enforcePMColor) { + static SkXfermode* Create(SkScalar k1, SkScalar k2, SkScalar k3, SkScalar k4, + bool enforcePMColor) { return new SkArithmeticMode_scalar(k1, k2, k3, k4, enforcePMColor); } - virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count, - const SkAlpha aa[]) const override; + void xfer32(SkPMColor dst[], const SkPMColor src[], int count, + const SkAlpha aa[]) const override; SK_TO_STRING_OVERRIDE() SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkArithmeticMode_scalar) diff --git a/src/effects/SkArithmeticMode_gpu.cpp b/src/effects/SkArithmeticMode_gpu.cpp index ce8e426..29c6602 100644 --- a/src/effects/SkArithmeticMode_gpu.cpp +++ b/src/effects/SkArithmeticMode_gpu.cpp @@ -226,17 +226,8 @@ private: add_arithmetic_code(fragBuilder, srcColor, dstColor, outColor, kUni, fEnforcePMColor); // Apply coverage. - if (proc.dstReadUsesMixedSamples()) { - if (srcCoverage) { - fragBuilder->codeAppendf("%s *= %s;", outColor, srcCoverage); - fragBuilder->codeAppendf("%s = %s;", outColorSecondary, srcCoverage); - } else { - fragBuilder->codeAppendf("%s = vec4(1.0);", outColorSecondary); - } - } else if (srcCoverage) { - fragBuilder->codeAppendf("%s = %s * %s + (vec4(1.0) - %s) * %s;", - outColor, srcCoverage, outColor, srcCoverage, dstColor); - } + INHERITED::DefaultCoverageModulation(fragBuilder, srcCoverage, dstColor, outColor, + outColorSecondary, proc); } void onSetData(const GrGLSLProgramDataManager& pdman, diff --git a/src/gpu/GrProcessor.cpp b/src/gpu/GrProcessor.cpp index 1db9d76..20f7d72 100644 --- a/src/gpu/GrProcessor.cpp +++ b/src/gpu/GrProcessor.cpp @@ -48,9 +48,9 @@ GrProcessorTestFactory::GetFactories() { * we verify the count is as expected. If a new factory is added, then these numbers must be * manually adjusted. */ -static const int kFPFactoryCount = 38; +static const int kFPFactoryCount = 39; static const int kGPFactoryCount = 14; -static const int kXPFactoryCount = 5; +static const int kXPFactoryCount = 6; template<> void GrProcessorTestFactory::VerifyFactoryCount() { diff --git a/src/gpu/effects/GrCustomXfermode.cpp b/src/gpu/effects/GrCustomXfermode.cpp index 04ff4a7..459ff52 100644 --- a/src/gpu/effects/GrCustomXfermode.cpp +++ b/src/gpu/effects/GrCustomXfermode.cpp @@ -172,17 +172,8 @@ private: GrGLSLBlend::AppendMode(fragBuilder, srcColor, dstColor, outColor, xp.mode()); // Apply coverage. - if (xp.dstReadUsesMixedSamples()) { - if (srcCoverage) { - fragBuilder->codeAppendf("%s *= %s;", outColor, srcCoverage); - fragBuilder->codeAppendf("%s = %s;", outColorSecondary, srcCoverage); - } else { - fragBuilder->codeAppendf("%s = vec4(1.0);", outColorSecondary); - } - } else if (srcCoverage) { - fragBuilder->codeAppendf("%s = %s * %s + (vec4(1.0) - %s) * %s;", - outColor, srcCoverage, outColor, srcCoverage, dstColor); - } + INHERITED::DefaultCoverageModulation(fragBuilder, srcCoverage, dstColor, outColor, + outColorSecondary, xp); } void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {} diff --git a/src/gpu/effects/GrPorterDuffXferProcessor.cpp b/src/gpu/effects/GrPorterDuffXferProcessor.cpp index 94d3dd6..c443e1e 100644 --- a/src/gpu/effects/GrPorterDuffXferProcessor.cpp +++ b/src/gpu/effects/GrPorterDuffXferProcessor.cpp @@ -559,17 +559,8 @@ private: GrGLSLBlend::AppendMode(fragBuilder, srcColor, dstColor, outColor, xp.getXfermode()); // Apply coverage. - if (xp.dstReadUsesMixedSamples()) { - if (srcCoverage) { - fragBuilder->codeAppendf("%s *= %s;", outColor, srcCoverage); - fragBuilder->codeAppendf("%s = %s;", outColorSecondary, srcCoverage); - } else { - fragBuilder->codeAppendf("%s = vec4(1.0);", outColorSecondary); - } - } else if (srcCoverage) { - fragBuilder->codeAppendf("%s = %s * %s + (vec4(1.0) - %s) * %s;", - outColor, srcCoverage, outColor, srcCoverage, dstColor); - } + INHERITED::DefaultCoverageModulation(fragBuilder, srcCoverage, dstColor, outColor, + outColorSecondary, xp); } void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {} diff --git a/src/gpu/glsl/GrGLSLXferProcessor.cpp b/src/gpu/glsl/GrGLSLXferProcessor.cpp index 81bd015..9d2538f 100644 --- a/src/gpu/glsl/GrGLSLXferProcessor.cpp +++ b/src/gpu/glsl/GrGLSLXferProcessor.cpp @@ -88,3 +88,21 @@ void GrGLSLXferProcessor::setData(const GrGLSLProgramDataManager& pdm, const GrX this->onSetData(pdm, xp); } +void GrGLSLXferProcessor::DefaultCoverageModulation(GrGLSLXPFragmentBuilder* fragBuilder, + const char* srcCoverage, + const char* dstColor, + const char* outColor, + const char* outColorSecondary, + const GrXferProcessor& proc) { + if (proc.dstReadUsesMixedSamples()) { + if (srcCoverage) { + fragBuilder->codeAppendf("%s *= %s;", outColor, srcCoverage); + fragBuilder->codeAppendf("%s = %s;", outColorSecondary, srcCoverage); + } else { + fragBuilder->codeAppendf("%s = vec4(1.0);", outColorSecondary); + } + } else if (srcCoverage) { + fragBuilder->codeAppendf("%s = %s * %s + (vec4(1.0) - %s) * %s;", + outColor, srcCoverage, outColor, srcCoverage, dstColor); + } +} diff --git a/src/gpu/glsl/GrGLSLXferProcessor.h b/src/gpu/glsl/GrGLSLXferProcessor.h index ed8099b..37e684f 100644 --- a/src/gpu/glsl/GrGLSLXferProcessor.h +++ b/src/gpu/glsl/GrGLSLXferProcessor.h @@ -68,6 +68,14 @@ public: */ void setData(const GrGLSLProgramDataManager& pdm, const GrXferProcessor& xp); +protected: + static void DefaultCoverageModulation(GrGLSLXPFragmentBuilder* fragBuilder, + const char* srcCoverage, + const char* dstColor, + const char* outColor, + const char* outColorSecondary, + const GrXferProcessor& proc); + private: /** * Called by emitCode() when the XP will not be performing a dst read. This method is diff --git a/src/utils/debugger/SkDebugCanvas.cpp b/src/utils/debugger/SkDebugCanvas.cpp index 63739ae..c2dd8f8 100644 --- a/src/utils/debugger/SkDebugCanvas.cpp +++ b/src/utils/debugger/SkDebugCanvas.cpp @@ -6,55 +6,11 @@ */ #include "SkClipStack.h" -#include "SkColorPriv.h" #include "SkDebugCanvas.h" #include "SkDrawCommand.h" #include "SkDevice.h" #include "SkPaintFilterCanvas.h" -#include "SkXfermode.h" - -namespace { - -class OverdrawXfermode : public SkXfermode { -public: - 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 idx; - if (SkColorGetR(dst) < 64) { // 0 - idx = 0; - } else if (SkColorGetG(dst) < 25) { // 10 - idx = 9; // cap at 9 for upcoming increment - } else if ((SkColorGetB(dst)+21)/42 > 0) { // 1-6 - idx = 7 - (SkColorGetB(dst)+21)/42; - } else { // 7-9 - idx = 10 - (SkColorGetG(dst)+22)/45; - } - ++idx; - SkASSERT(idx < (int)SK_ARRAY_COUNT(gTable)); - - return gTable[idx]; - } - - Factory getFactory() const override { return nullptr; } -#ifndef SK_IGNORE_TO_STRING - void toString(SkString* str) const override { str->set("OverdrawXfermode"); } -#endif -}; +#include "SkOverdrawMode.h" class DebugPaintFilterCanvas : public SkPaintFilterCanvas { public: @@ -64,7 +20,7 @@ public: bool overrideFilterQuality, SkFilterQuality quality) : INHERITED(width, height) - , fOverdrawXfermode(overdrawViz ? new OverdrawXfermode : nullptr) + , fOverdrawXfermode(overdrawViz ? SkOverdrawMode::Create() : nullptr) , fOverrideFilterQuality(overrideFilterQuality) , fFilterQuality(quality) {} @@ -99,8 +55,6 @@ private: typedef SkPaintFilterCanvas INHERITED; }; -} - SkDebugCanvas::SkDebugCanvas(int width, int height) : INHERITED(width, height) , fPicture(nullptr) diff --git a/src/utils/debugger/SkOverdrawMode.cpp b/src/utils/debugger/SkOverdrawMode.cpp new file mode 100644 index 0000000..a4fc7a1 --- /dev/null +++ b/src/utils/debugger/SkOverdrawMode.cpp @@ -0,0 +1,323 @@ +/* + * 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(); + + 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 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(); + } + + 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(); + } + + 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 diff --git a/src/utils/debugger/SkOverdrawMode.h b/src/utils/debugger/SkOverdrawMode.h new file mode 100644 index 0000000..dba7635 --- /dev/null +++ b/src/utils/debugger/SkOverdrawMode.h @@ -0,0 +1,25 @@ +/* + * Copyright 2016 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef SkOverdrawMode_DEFINED +#define SkOverdrawMode_DEFINED + +#include "SkFlattenable.h" + +class SkXfermode; + +class SkOverdrawMode { +public: + static SkXfermode* Create(); + + SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP(); + +private: + SkOverdrawMode(); // can't be instantiated +}; + +#endif -- 2.7.4