71fecc32b1
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=5070 Change-Id: Ia9527bfd0f13146669df5e71098af903e14bae3a Reviewed-on: https://skia-review.googlesource.com/5070 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
78 lines
3.0 KiB
C++
78 lines
3.0 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 "SkBlendMode.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 sk_sp<GrXPFactory> Make(SkBlendMode mode);
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void getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
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GrXPFactory::InvariantBlendedColor*) const override;
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/** Because src-over is so common we special case it for performance reasons. If this returns
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null then the SimpleSrcOverXP() below should be used. */
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static GrXferProcessor* CreateSrcOverXferProcessor(const GrCaps& caps,
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const GrPipelineOptimizations& optimizations,
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bool hasMixedSamples,
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const GrXferProcessor::DstTexture*);
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/** This XP implements non-LCD src-over using hw blend with no optimizations. It is returned
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by reference because it is global and its ref-cnting methods are not thread safe. */
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static const GrXferProcessor& SimpleSrcOverXP();
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static inline void SrcOverInvariantBlendedColor(
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GrColor inputColor,
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GrColorComponentFlags validColorFlags,
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bool isOpaque,
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GrXPFactory::InvariantBlendedColor* blendedColor) {
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if (!isOpaque) {
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blendedColor->fWillBlendWithDst = true;
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blendedColor->fKnownColorFlags = kNone_GrColorComponentFlags;
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return;
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}
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blendedColor->fWillBlendWithDst = false;
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blendedColor->fKnownColor = inputColor;
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blendedColor->fKnownColorFlags = validColorFlags;
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}
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static bool SrcOverWillNeedDstTexture(const GrCaps&, const GrPipelineOptimizations&);
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private:
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GrPorterDuffXPFactory(SkBlendMode);
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GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
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const GrPipelineOptimizations& optimizations,
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bool hasMixedSamples,
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const DstTexture*) const override;
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bool onWillReadDstColor(const GrCaps&, const GrPipelineOptimizations&) 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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SkBlendMode 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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