| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrPorterDuffXferProcessor_DEFINED |
| #define GrPorterDuffXferProcessor_DEFINED |
| |
| #include "include/core/SkRefCnt.h" |
| #include "src/gpu/ganesh/GrCaps.h" |
| #include "src/gpu/ganesh/GrProcessorAnalysis.h" |
| #include "src/gpu/ganesh/GrProcessorUnitTest.h" |
| #include "src/gpu/ganesh/GrXferProcessor.h" |
| |
| enum class GrClampType; |
| enum class SkBlendMode; |
| |
| // See the comment above GrXPFactory's definition about this warning suppression. |
| #if defined(__GNUC__) |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wnon-virtual-dtor" |
| #endif |
| #if defined(__clang__) |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wnon-virtual-dtor" |
| #endif |
| class GrPorterDuffXPFactory : public GrXPFactory { |
| public: |
| static const GrXPFactory* Get(SkBlendMode blendMode); |
| |
| /** Because src-over is so common we special case it for performance reasons. If this returns |
| null then the SimpleSrcOverXP() below should be used. */ |
| static sk_sp<const GrXferProcessor> MakeSrcOverXferProcessor(const GrProcessorAnalysisColor&, |
| GrProcessorAnalysisCoverage, |
| const GrCaps&); |
| |
| /** Returns a simple non-LCD porter duff blend XP with no optimizations or coverage. */ |
| static sk_sp<const GrXferProcessor> MakeNoCoverageXP(SkBlendMode); |
| |
| /** This XP implements non-LCD src-over using hw blend with no optimizations. It is returned |
| by reference because it is global and its ref-cnting methods are not thread safe. */ |
| static const GrXferProcessor& SimpleSrcOverXP(); |
| |
| static AnalysisProperties SrcOverAnalysisProperties(const GrProcessorAnalysisColor&, |
| const GrProcessorAnalysisCoverage&, |
| const GrCaps&, |
| GrClampType); |
| |
| private: |
| constexpr GrPorterDuffXPFactory(SkBlendMode); |
| |
| sk_sp<const GrXferProcessor> makeXferProcessor(const GrProcessorAnalysisColor&, |
| GrProcessorAnalysisCoverage, |
| const GrCaps&, |
| GrClampType) const override; |
| |
| AnalysisProperties analysisProperties(const GrProcessorAnalysisColor&, |
| const GrProcessorAnalysisCoverage&, |
| const GrCaps&, |
| GrClampType) const override; |
| |
| GR_DECLARE_XP_FACTORY_TEST |
| static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, int* outSecondary); |
| |
| SkBlendMode fBlendMode; |
| |
| friend class GrPorterDuffTest; // for TestGetXPOutputTypes() |
| using INHERITED = GrXPFactory; |
| }; |
| #if defined(__GNUC__) |
| #pragma GCC diagnostic pop |
| #endif |
| #if defined(__clang__) |
| #pragma clang diagnostic pop |
| #endif |
| |
| #endif |