2b816bacc0
Reason for revert: Failing GLProgramTest passing in stupid coeffs Original issue's description: > Use dst copies in porter duffer XP to correctly render certain blends. > > BUG=skia: > > Committed: https://skia.googlesource.com/skia/+/997c6358d94e188b1a7b89a4f86e24cbe0f5a164 TBR=bsalomon@google.com,joshualitt@google.com NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=skia: Review URL: https://codereview.chromium.org/923153003
61 lines
1.8 KiB
C++
61 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 GrCoverageSetOpXP_DEFINED
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#define GrCoverageSetOpXP_DEFINED
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#include "GrTypes.h"
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#include "GrXferProcessor.h"
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#include "SkRegion.h"
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class GrProcOptInfo;
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class GrCoverageSetOpXPFactory : public GrXPFactory {
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public:
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static GrXPFactory* Create(SkRegion::Op regionOp, bool invertCoverage = false);
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bool supportsRGBCoverage(GrColor knownColor, uint32_t knownColorFlags) const SK_OVERRIDE {
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return true;
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}
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bool canApplyCoverage(const GrProcOptInfo& colorPOI,
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const GrProcOptInfo& coveragePOI) const SK_OVERRIDE {
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return true;
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}
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bool canTweakAlphaForCoverage() const SK_OVERRIDE { return false; }
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void getInvariantOutput(const GrProcOptInfo& colorPOI, const GrProcOptInfo& coveragePOI,
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GrXPFactory::InvariantOutput*) const SK_OVERRIDE;
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private:
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GrCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage);
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GrXferProcessor* onCreateXferProcessor(const GrProcOptInfo& colorPOI,
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const GrProcOptInfo& coveragePOI,
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const GrDeviceCoordTexture* dstCopy) const SK_OVERRIDE;
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bool willReadDstColor(const GrProcOptInfo& colorPOI,
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const GrProcOptInfo& coveragePOI) const SK_OVERRIDE {
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return false;
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}
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bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE {
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const GrCoverageSetOpXPFactory& xpf = xpfBase.cast<GrCoverageSetOpXPFactory>();
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return fRegionOp == xpf.fRegionOp;
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}
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GR_DECLARE_XP_FACTORY_TEST;
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SkRegion::Op fRegionOp;
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bool fInvertCoverage;
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typedef GrXPFactory INHERITED;
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};
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#endif
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