57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GrPorterDuffXferProcessor_DEFINED
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#define GrPorterDuffXferProcessor_DEFINED
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#include "GrTypes.h"
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#include "GrXferProcessor.h"
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#include "SkXfermode.h"
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class GrProcOptInfo;
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class GrPorterDuffXPFactory : public GrXPFactory {
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public:
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static GrXPFactory* Create(SkXfermode::Mode mode);
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bool supportsRGBCoverage(GrColor /*knownColor*/, uint32_t /*knownColorFlags*/) const override {
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return true;
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}
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void getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
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GrXPFactory::InvariantBlendedColor*) const override;
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private:
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GrPorterDuffXPFactory(SkXfermode::Mode);
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GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
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const GrProcOptInfo& colorPOI,
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const GrProcOptInfo& coveragePOI,
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bool hasMixedSamples,
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const DstTexture*) const override;
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bool willReadDstColor(const GrCaps& caps,
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const GrProcOptInfo& colorPOI,
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const GrProcOptInfo& coveragePOI,
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bool hasMixedSamples) const override;
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bool onIsEqual(const GrXPFactory& xpfBase) const override {
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const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>();
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return fXfermode == xpf.fXfermode;
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}
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GR_DECLARE_XP_FACTORY_TEST;
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static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, int* outSecondary);
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SkXfermode::Mode fXfermode;
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friend class GrPorterDuffTest; // for TestGetXPOutputTypes()
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typedef GrXPFactory INHERITED;
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};
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#endif
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