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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 "Test.h"
#include "GrContextPriv.h"
#include "GrPaint.h"
#include "GrProcessorSet.h"
#include "effects/GrCustomXfermode.h"
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()->contextPriv().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);
GrPaint paint;
paint.setXPFactory(xpf);
GrProcessorSet procs(std::move(paint));
SkPMColor4f overrideColor;
GrProcessorSet::Analysis processorAnalysis =
procs.finalize(opaque, coverage, nullptr, false, caps, &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());
}
}
}
}