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- /*
- * Copyright 2019 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/core/SkBlendMode.h"
- #include "include/gpu/GrBlend.h"
- #include "include/gpu/GrContext.h"
- #include "include/private/GrTypesPriv.h"
- #include "include/private/SkColorData.h"
- #include "src/gpu/GrCaps.h"
- #include "src/gpu/GrContextPriv.h"
- #include "src/gpu/GrPaint.h"
- #include "src/gpu/GrProcessorAnalysis.h"
- #include "src/gpu/GrProcessorSet.h"
- #include "src/gpu/GrUserStencilSettings.h"
- #include "src/gpu/GrXferProcessor.h"
- #include "src/gpu/effects/GrCustomXfermode.h"
- #include "tests/Test.h"
- #include "tools/gpu/GrContextFactory.h"
- #include <utility>
- DEF_GPUTEST_FOR_RENDERING_CONTEXTS(AdvancedBlendTest, reporter, ctxInfo) {
- static constexpr auto opaque = GrProcessorAnalysisColor::Opaque::kYes;
- static constexpr auto coverage = GrProcessorAnalysisCoverage::kSingleChannel;
- const GrCaps& caps = *ctxInfo.grContext()->priv().caps();
- for (int mode = (int)SkBlendMode::kLastMode; mode > (int)SkBlendMode::kLastCoeffMode; --mode) {
- const SkBlendMode blendMode = (SkBlendMode)mode;
- const GrBlendEquation blendEquation =
- (GrBlendEquation)(mode + (kOverlay_GrBlendEquation - (int)SkBlendMode::kOverlay));
- const GrXPFactory* xpf = GrCustomXfermode::Get(blendMode);
- GrXPFactory::AnalysisProperties xpfAnalysis =
- GrXPFactory::GetAnalysisProperties(xpf, opaque, coverage, caps, GrClampType::kAuto);
- GrPaint paint;
- paint.setXPFactory(xpf);
- GrProcessorSet procs(std::move(paint));
- bool hasMixedSampledCoverage = false;
- SkPMColor4f overrideColor;
- GrProcessorSet::Analysis processorAnalysis = procs.finalize(
- opaque, coverage, nullptr, &GrUserStencilSettings::kUnused, hasMixedSampledCoverage,
- caps, GrClampType::kAuto, &overrideColor);
- if (caps.advancedBlendEquationSupport() &&
- !caps.isAdvancedBlendEquationBlacklisted(blendEquation)) {
- REPORTER_ASSERT(reporter,
- !(xpfAnalysis & GrXPFactory::AnalysisProperties::kReadsDstInShader));
- if (GrCaps::kAdvancedCoherent_BlendEquationSupport == caps.blendEquationSupport()) {
- REPORTER_ASSERT(reporter, !processorAnalysis.requiresNonOverlappingDraws());
- } else {
- REPORTER_ASSERT(reporter,
- GrCaps::kAdvanced_BlendEquationSupport
- == caps.blendEquationSupport());
- REPORTER_ASSERT(reporter, processorAnalysis.requiresNonOverlappingDraws());
- }
- } else {
- REPORTER_ASSERT(reporter,
- (xpfAnalysis & GrXPFactory::AnalysisProperties::kReadsDstInShader));
- if (xpfAnalysis & GrXPFactory::AnalysisProperties::kRequiresDstTexture) {
- REPORTER_ASSERT(reporter, processorAnalysis.requiresNonOverlappingDraws());
- } else {
- REPORTER_ASSERT(reporter, !processorAnalysis.requiresNonOverlappingDraws());
- }
- }
- }
- }
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