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/ganesh/GrDirectContext.h"
10 #include "include/private/SkColorData.h"
11 #include "include/private/gpu/ganesh/GrTypesPriv.h"
12 #include "src/gpu/Blend.h"
13 #include "src/gpu/ganesh/GrCaps.h"
14 #include "src/gpu/ganesh/GrDirectContextPriv.h"
15 #include "src/gpu/ganesh/GrPaint.h"
16 #include "src/gpu/ganesh/GrProcessorAnalysis.h"
17 #include "src/gpu/ganesh/GrProcessorSet.h"
18 #include "src/gpu/ganesh/GrUserStencilSettings.h"
19 #include "src/gpu/ganesh/GrXferProcessor.h"
20 #include "src/gpu/ganesh/effects/GrCustomXfermode.h"
21 #include "tests/CtsEnforcement.h"
22 #include "tests/Test.h"
23
24 #include <utility>
25
26 struct GrContextOptions;
27
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(AdvancedBlendTest,reporter,ctxInfo,CtsEnforcement::kApiLevel_T)28 DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(AdvancedBlendTest,
29 reporter,
30 ctxInfo,
31 CtsEnforcement::kApiLevel_T) {
32 static constexpr auto opaque = GrProcessorAnalysisColor::Opaque::kYes;
33 static constexpr auto coverage = GrProcessorAnalysisCoverage::kSingleChannel;
34 const GrCaps& caps = *ctxInfo.directContext()->priv().caps();
35
36 for (int mode = (int)SkBlendMode::kLastMode; mode > (int)SkBlendMode::kLastCoeffMode; --mode) {
37 const SkBlendMode blendMode = (SkBlendMode)mode;
38 const skgpu::BlendEquation blendEquation = (skgpu::BlendEquation)(mode +
39 ((int)skgpu::BlendEquation::kOverlay - (int)SkBlendMode::kOverlay));
40 const GrXPFactory* xpf = GrCustomXfermode::Get(blendMode);
41
42 GrXPFactory::AnalysisProperties xpfAnalysis =
43 GrXPFactory::GetAnalysisProperties(xpf, opaque, coverage, caps, GrClampType::kAuto);
44
45 GrPaint paint;
46 paint.setXPFactory(xpf);
47 GrProcessorSet procs(std::move(paint));
48 SkPMColor4f overrideColor;
49 GrProcessorSet::Analysis processorAnalysis = procs.finalize(
50 opaque, coverage, nullptr, &GrUserStencilSettings::kUnused, caps,
51 GrClampType::kAuto, &overrideColor);
52
53 if (caps.advancedBlendEquationSupport() &&
54 !caps.isAdvancedBlendEquationDisabled(blendEquation)) {
55 REPORTER_ASSERT(reporter,
56 !(xpfAnalysis & GrXPFactory::AnalysisProperties::kReadsDstInShader));
57 if (GrCaps::kAdvancedCoherent_BlendEquationSupport == caps.blendEquationSupport()) {
58 REPORTER_ASSERT(reporter, !processorAnalysis.requiresNonOverlappingDraws());
59 } else {
60 REPORTER_ASSERT(reporter,
61 GrCaps::kAdvanced_BlendEquationSupport
62 == caps.blendEquationSupport());
63 REPORTER_ASSERT(reporter, processorAnalysis.requiresNonOverlappingDraws());
64 }
65 } else {
66 REPORTER_ASSERT(reporter,
67 (xpfAnalysis & GrXPFactory::AnalysisProperties::kReadsDstInShader));
68 if (xpfAnalysis & GrXPFactory::AnalysisProperties::kRequiresDstTexture) {
69 REPORTER_ASSERT(reporter, processorAnalysis.requiresNonOverlappingDraws());
70 } else {
71 REPORTER_ASSERT(reporter, !processorAnalysis.requiresNonOverlappingDraws());
72 }
73 }
74 }
75 }
76