52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
|
|
* 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;
|
|
|
|
void getInvariantOutput(const GrProcOptInfo& colorPOI, const GrProcOptInfo& coveragePOI,
|
|
GrXPFactory::InvariantOutput*) const override;
|
|
|
|
private:
|
|
GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst);
|
|
|
|
GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
|
|
const GrProcOptInfo& colorPOI,
|
|
const GrProcOptInfo& coveragePOI,
|
|
const GrDeviceCoordTexture* dstCopy) const override;
|
|
|
|
bool willReadDstColor(const GrCaps& caps,
|
|
const GrProcOptInfo& colorPOI,
|
|
const GrProcOptInfo& coveragePOI) const override;
|
|
|
|
bool onIsEqual(const GrXPFactory& xpfBase) const override {
|
|
const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>();
|
|
return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff);
|
|
}
|
|
|
|
GR_DECLARE_XP_FACTORY_TEST;
|
|
|
|
GrBlendCoeff fSrcCoeff;
|
|
GrBlendCoeff fDstCoeff;
|
|
|
|
typedef GrXPFactory INHERITED;
|
|
};
|
|
|
|
#endif
|