/* * 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 "Test.h" #if SK_SUPPORT_GPU #include "GrContextFactory.h" #include "GrContextOptions.h" #include "GrContextPriv.h" #include "GrGpu.h" #include "GrResourceProvider.h" #include "GrTest.h" #include "GrXferProcessor.h" #include "effects/GrPorterDuffXferProcessor.h" #include "gl/GrGLCaps.h" #include "ops/GrMeshDrawOp.h" //////////////////////////////////////////////////////////////////////////////// static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps); static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps); static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps); static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps); static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps); static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps); DEF_GPUTEST_FOR_NULLGL_CONTEXT(GrPorterDuff, reporter, ctxInfo) { const GrCaps& caps = *ctxInfo.grContext()->getGpu()->caps(); if (!caps.shaderCaps()->dualSourceBlendingSupport()) { SkFAIL("Null context does not support dual source blending."); return; } test_color_unknown_with_coverage(reporter, caps); test_color_not_opaque_no_coverage(reporter, caps); test_color_opaque_with_coverage(reporter, caps); test_color_opaque_no_coverage(reporter, caps); test_lcd_coverage(reporter, caps); test_lcd_coverage_fallback_case(reporter, caps); } //////////////////////////////////////////////////////////////////////////////// #define TEST_ASSERT(...) REPORTER_ASSERT(reporter, __VA_ARGS__) enum { kNone_OutputType, kCoverage_OutputType, kModulate_OutputType, kSAModulate_OutputType, kISAModulate_OutputType, kISCModulate_OutputType }; static const int kInvalid_OutputType = -1; static GrProcessorSet::Analysis do_analysis(const GrXPFactory* xpf, const GrProcessorAnalysisColor& colorInput, GrProcessorAnalysisCoverage coverageInput, const GrCaps& caps) { GrPaint paint; paint.setXPFactory(xpf); GrProcessorSet procs(std::move(paint)); GrColor overrideColor; GrProcessorSet::Analysis analysis = procs.finalize(colorInput, coverageInput, nullptr, false, caps, &overrideColor); return analysis; } class GrPorterDuffTest { public: struct XPInfo { XPInfo(skiatest::Reporter* reporter, SkBlendMode xfermode, const GrCaps& caps, GrProcessorAnalysisColor inputColor, GrProcessorAnalysisCoverage inputCoverage) { const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode); bool isLCD = GrProcessorAnalysisCoverage::kLCD == inputCoverage; GrProcessorSet::Analysis analysis = do_analysis(xpf, inputColor, inputCoverage, caps); fCompatibleWithCoverageAsAlpha = analysis.isCompatibleWithCoverageAsAlpha(); fCanCombineOverlappedStencilAndCover = analysis.canCombineOverlappedStencilAndCover(); fIgnoresInputColor = analysis.inputColorIsIgnored(); sk_sp xp( GrXPFactory::MakeXferProcessor(xpf, inputColor, inputCoverage, false, caps)); TEST_ASSERT(!analysis.requiresDstTexture() || (isLCD && !caps.shaderCaps()->dstReadInShaderSupport() && (SkBlendMode::kSrcOver != xfermode || !inputColor.isOpaque()))); GetXPOutputTypes(xp.get(), &fPrimaryOutputType, &fSecondaryOutputType); xp->getBlendInfo(&fBlendInfo); TEST_ASSERT(!xp->willReadDstColor() || (isLCD && (SkBlendMode::kSrcOver != xfermode || !inputColor.isOpaque()))); TEST_ASSERT(xp->hasSecondaryOutput() == GrBlendCoeffRefsSrc2(fBlendInfo.fDstBlend)); } bool fCanCombineOverlappedStencilAndCover; bool fCompatibleWithCoverageAsAlpha; bool fIgnoresInputColor; int fPrimaryOutputType; int fSecondaryOutputType; GrXferProcessor::BlendInfo fBlendInfo; }; static void GetXPOutputTypes(const GrXferProcessor* xp, int* outPrimary, int* outSecondary) { GrPorterDuffXPFactory::TestGetXPOutputTypes(xp, outPrimary, outSecondary); } }; static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps) { GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes; GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kLCD; for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) { SkBlendMode xfermode = static_cast(m); const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage); switch (xfermode) { case SkBlendMode::kClear: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrc: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDst: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kSAModulate_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kXor: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kPlus: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kModulate: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kScreen: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; default: ERRORF(reporter, "Invalid xfermode."); break; } } } static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) { GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kNo; GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel; for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) { SkBlendMode xfermode = static_cast(m); const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage); switch (xfermode) { case SkBlendMode::kClear: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrc: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDst: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(!xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kISAModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kISAModulate_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kXor: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kPlus: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kModulate: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kScreen: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; default: ERRORF(reporter, "Invalid xfermode."); break; } } } static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) { GrProcessorAnalysisColor inputColor(GrColorPackRGBA(229, 0, 154, 240)); GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone; for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) { SkBlendMode xfermode = static_cast(m); const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage); switch (xfermode) { case SkBlendMode::kClear: TEST_ASSERT(xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrc: TEST_ASSERT(xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDst: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(!xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kXor: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kPlus: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kModulate: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kScreen: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; default: ERRORF(reporter, "Invalid xfermode."); break; } } } static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) { GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes; GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel; for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) { SkBlendMode xfermode = static_cast(m); const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage); switch (xfermode) { case SkBlendMode::kClear: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrc: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDst: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(!xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(!xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kXor: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kPlus: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kModulate: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kScreen: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; default: ERRORF(reporter, "Invalid xfermode."); break; } } } static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) { GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes; GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone; for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) { SkBlendMode xfermode = static_cast(m); const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage); switch (xfermode) { case SkBlendMode::kClear: TEST_ASSERT(xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrc: TEST_ASSERT(xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDst: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(!xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOver: TEST_ASSERT(xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOver: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstIn: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(!xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcOut: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstOut: TEST_ASSERT(xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kSrcATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kDstATop: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kXor: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kPlus: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kModulate: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; case SkBlendMode::kScreen: TEST_ASSERT(!xpi.fCanCombineOverlappedStencilAndCover); TEST_ASSERT(!xpi.fIgnoresInputColor); TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha); TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType); TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType); TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation); TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend); TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend); TEST_ASSERT(xpi.fBlendInfo.fWriteColor); break; default: ERRORF(reporter, "Invalid xfermode."); break; } } } static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps) { const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(SkBlendMode::kSrcOver); GrProcessorAnalysisColor color = GrColorPackRGBA(123, 45, 67, 255); GrProcessorAnalysisCoverage coverage = GrProcessorAnalysisCoverage::kLCD; TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps) & GrXPFactory::AnalysisProperties::kRequiresDstTexture)); sk_sp xp_opaque( GrXPFactory::MakeXferProcessor(xpf, color, coverage, false, caps)); if (!xp_opaque) { ERRORF(reporter, "Failed to create an XP with LCD coverage."); return; } GrXferProcessor::BlendInfo blendInfo; xp_opaque->getBlendInfo(&blendInfo); TEST_ASSERT(blendInfo.fWriteColor); // Test with non-opaque alpha color = GrColorPackRGBA(123, 45, 67, 221); coverage = GrProcessorAnalysisCoverage::kLCD; TEST_ASSERT(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps) & GrXPFactory::AnalysisProperties::kRequiresDstTexture); sk_sp xp( GrXPFactory::MakeXferProcessor(xpf, color, coverage, false, caps)); if (!xp) { ERRORF(reporter, "Failed to create an XP with LCD coverage."); return; } xp->getBlendInfo(&blendInfo); TEST_ASSERT(blendInfo.fWriteColor); } DEF_GPUTEST(PorterDuffNoDualSourceBlending, reporter, /*factory*/) { GrContextOptions opts; opts.fSuppressDualSourceBlending = true; sk_gpu_test::GrContextFactory mockFactory(opts); GrContext* ctx = mockFactory.get(sk_gpu_test::GrContextFactory::kNullGL_ContextType); if (!ctx) { SkFAIL("Failed to create null context without ARB_blend_func_extended."); return; } const GrCaps& caps = *ctx->caps(); if (caps.shaderCaps()->dualSourceBlendingSupport()) { SkFAIL("Null context failed to honor request for no ARB_blend_func_extended."); return; } GrBackendObject backendTexHandle = ctx->getGpu()->createTestingOnlyBackendTexture(nullptr, 100, 100, kRGBA_8888_GrPixelConfig); GrBackendTexture backendTex = GrTest::CreateBackendTexture(ctx->contextPriv().getBackend(), 100, 100, kRGBA_8888_GrPixelConfig, backendTexHandle); GrXferProcessor::DstProxy fakeDstProxy; { sk_sp proxy = GrSurfaceProxy::MakeWrappedBackend(ctx, backendTex, kTopLeft_GrSurfaceOrigin); fakeDstProxy.setProxy(std::move(proxy)); } static const GrProcessorAnalysisColor colorInputs[] = { GrProcessorAnalysisColor::Opaque::kNo, GrProcessorAnalysisColor::Opaque::kYes, GrProcessorAnalysisColor(GrColorPackRGBA(0, 82, 17, 100)), GrProcessorAnalysisColor(GrColorPackRGBA(0, 82, 17, 255))}; for (const auto& colorInput : colorInputs) { for (GrProcessorAnalysisCoverage coverageType : {GrProcessorAnalysisCoverage::kSingleChannel, GrProcessorAnalysisCoverage::kNone}) { for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) { SkBlendMode xfermode = static_cast(m); const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode); sk_sp xp( GrXPFactory::MakeXferProcessor(xpf, colorInput, coverageType, false, caps)); if (!xp) { ERRORF(reporter, "Failed to create an XP without dual source blending."); return; } TEST_ASSERT(!xp->hasSecondaryOutput()); } } } ctx->getGpu()->deleteTestingOnlyBackendTexture(backendTexHandle); } #endif