1 /*
2 * Copyright 2019 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/core/SkBlendMode.h"
9 #include "include/gpu/GrContext.h"
10 #include "include/private/GrTypesPriv.h"
11 #include "include/private/SkColorData.h"
12 #include "src/gpu/GrBlend.h"
13 #include "src/gpu/GrCaps.h"
14 #include "src/gpu/GrContextPriv.h"
15 #include "src/gpu/GrPaint.h"
16 #include "src/gpu/GrProcessorAnalysis.h"
17 #include "src/gpu/GrProcessorSet.h"
18 #include "src/gpu/GrUserStencilSettings.h"
19 #include "src/gpu/GrXferProcessor.h"
20 #include "src/gpu/effects/GrCustomXfermode.h"
21 #include "tests/Test.h"
22 #include "tools/gpu/GrContextFactory.h"
23
24 #include <utility>
25
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(AdvancedBlendTest,reporter,ctxInfo)26 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(AdvancedBlendTest, reporter, ctxInfo) {
27 static constexpr auto opaque = GrProcessorAnalysisColor::Opaque::kYes;
28 static constexpr auto coverage = GrProcessorAnalysisCoverage::kSingleChannel;
29 const GrCaps& caps = *ctxInfo.grContext()->priv().caps();
30
31 for (int mode = (int)SkBlendMode::kLastMode; mode > (int)SkBlendMode::kLastCoeffMode; --mode) {
32 const SkBlendMode blendMode = (SkBlendMode)mode;
33 const GrBlendEquation blendEquation =
34 (GrBlendEquation)(mode + (kOverlay_GrBlendEquation - (int)SkBlendMode::kOverlay));
35 const GrXPFactory* xpf = GrCustomXfermode::Get(blendMode);
36
37 GrXPFactory::AnalysisProperties xpfAnalysis =
38 GrXPFactory::GetAnalysisProperties(xpf, opaque, coverage, caps, GrClampType::kAuto);
39
40 GrPaint paint;
41 paint.setXPFactory(xpf);
42 GrProcessorSet procs(std::move(paint));
43 bool hasMixedSampledCoverage = false;
44 SkPMColor4f overrideColor;
45 GrProcessorSet::Analysis processorAnalysis = procs.finalize(
46 opaque, coverage, nullptr, &GrUserStencilSettings::kUnused, hasMixedSampledCoverage,
47 caps, GrClampType::kAuto, &overrideColor);
48
49 if (caps.advancedBlendEquationSupport() &&
50 !caps.isAdvancedBlendEquationBlacklisted(blendEquation)) {
51 REPORTER_ASSERT(reporter,
52 !(xpfAnalysis & GrXPFactory::AnalysisProperties::kReadsDstInShader));
53 if (GrCaps::kAdvancedCoherent_BlendEquationSupport == caps.blendEquationSupport()) {
54 REPORTER_ASSERT(reporter, !processorAnalysis.requiresNonOverlappingDraws());
55 } else {
56 REPORTER_ASSERT(reporter,
57 GrCaps::kAdvanced_BlendEquationSupport
58 == caps.blendEquationSupport());
59 REPORTER_ASSERT(reporter, processorAnalysis.requiresNonOverlappingDraws());
60 }
61 } else {
62 REPORTER_ASSERT(reporter,
63 (xpfAnalysis & GrXPFactory::AnalysisProperties::kReadsDstInShader));
64 if (xpfAnalysis & GrXPFactory::AnalysisProperties::kRequiresDstTexture) {
65 REPORTER_ASSERT(reporter, processorAnalysis.requiresNonOverlappingDraws());
66 } else {
67 REPORTER_ASSERT(reporter, !processorAnalysis.requiresNonOverlappingDraws());
68 }
69 }
70 }
71 }
72