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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 "GrTypes.h"
#include "GrXferProcessor.h"
#include "SkXfermode.h"
class GrProcOptInfo;
class GrPorterDuffXPFactory : public GrXPFactory {
public:
static GrXPFactory* Create(SkXfermode::Mode mode);
bool supportsRGBCoverage(GrColor /*knownColor*/, uint32_t /*knownColorFlags*/) const override {
return true;
}
void getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
GrXPFactory::InvariantBlendedColor*) const override;
private:
GrPorterDuffXPFactory(SkXfermode::Mode);
GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
const GrProcOptInfo& colorPOI,
const GrProcOptInfo& coveragePOI,
bool hasMixedSamples,
const DstTexture*) const override;
bool willReadDstColor(const GrCaps& caps,
const GrProcOptInfo& colorPOI,
const GrProcOptInfo& coveragePOI,
bool hasMixedSamples) const override;
bool onIsEqual(const GrXPFactory& xpfBase) const override {
const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>();
return fXfermode == xpf.fXfermode;
}
GR_DECLARE_XP_FACTORY_TEST;
static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, int* outSecondary);
SkXfermode::Mode fXfermode;
friend class GrPorterDuffTest; // for TestGetXPOutputTypes()
typedef GrXPFactory INHERITED;
};
#endif
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