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- /*
- * 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/SkBlendMode.h"
- #include "include/gpu/GrTypes.h"
- #include "src/gpu/GrXferProcessor.h"
- // 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,
- bool hasMixedSamples,
- 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,
- bool hasMixedSamples,
- 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()
- typedef GrXPFactory INHERITED;
- };
- #if defined(__GNUC__)
- #pragma GCC diagnostic pop
- #endif
- #if defined(__clang__)
- #pragma clang diagnostic pop
- #endif
- #endif
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