diff options
author | 2014-12-11 13:15:13 -0800 | |
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committer | 2014-12-11 13:15:14 -0800 | |
commit | c230414861558ce20b74281b1ca363e56c441832 (patch) | |
tree | 8d89c3037e753a70b0979bae47d43c0804733365 /include/gpu/effects | |
parent | 8c508b441331d75fd84d84092a3e725d15972828 (diff) |
Create xfer processor backend.
This includes:
-Having an actual XP stage at the end of the gl pipeline.
-All Blending work is handled by XP until actually setting GL blend states
-GLPrograms test to test XP
BUG=skia:
Committed: https://skia.googlesource.com/skia/+/4dffc940c430eec66d4707490eace19c9b3f7904
Review URL: https://codereview.chromium.org/764643004
Diffstat (limited to 'include/gpu/effects')
-rw-r--r-- | include/gpu/effects/GrPorterDuffXferProcessor.h | 86 |
1 files changed, 68 insertions, 18 deletions
diff --git a/include/gpu/effects/GrPorterDuffXferProcessor.h b/include/gpu/effects/GrPorterDuffXferProcessor.h index 0ddfcdcd2a..59499742d2 100644 --- a/include/gpu/effects/GrPorterDuffXferProcessor.h +++ b/include/gpu/effects/GrPorterDuffXferProcessor.h @@ -26,20 +26,53 @@ public: virtual const char* name() const { return "Porter Duff"; } - virtual void getGLProcessorKey(const GrGLCaps& caps, - GrProcessorKeyBuilder* b) const SK_OVERRIDE; - - virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; - - virtual GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, - const GrProcOptInfo& coveragePOI, - bool isCoverageDrawing, - bool colorWriteDisabled, - bool doesStencilWrite, - GrColor* color, - uint8_t* coverage) SK_OVERRIDE; - - virtual void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { + void getGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const SK_OVERRIDE; + + GrGLXferProcessor* createGLInstance() const SK_OVERRIDE; + + virtual bool hasSecondaryOutput() const SK_OVERRIDE; + + /////////////////////////////////////////////////////////////////////////// + /// @name Stage Output Types + //// + + enum PrimaryOutputType { + // Modulate color and coverage, write result as the color output. + kModulate_PrimaryOutputType, + // Combines the coverage, dst, and color as coverage * color + (1 - coverage) * dst. This + // can only be set if fDstReadKey is non-zero. + kCombineWithDst_PrimaryOutputType, + }; + + enum SecondaryOutputType { + // There is no secondary output + kNone_SecondaryOutputType, + // Writes coverage as the secondary output. Only set if dual source blending is supported + // and primary output is kModulate. + kCoverage_SecondaryOutputType, + // Writes coverage * (1 - colorA) as the secondary output. Only set if dual source blending + // is supported and primary output is kModulate. + kCoverageISA_SecondaryOutputType, + // Writes coverage * (1 - colorRGBA) as the secondary output. Only set if dual source + // blending is supported and primary output is kModulate. + kCoverageISC_SecondaryOutputType, + + kSecondaryOutputTypeCnt, + }; + + PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; } + SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputType; } + + GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, + const GrProcOptInfo& coveragePOI, + bool isCoverageDrawing, + bool colorWriteDisabled, + bool doesStencilWrite, + GrColor* color, + uint8_t* coverage, + const GrDrawTargetCaps& caps) SK_OVERRIDE; + + void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { blendInfo->fSrcBlend = fSrcBlend; blendInfo->fDstBlend = fDstBlend; blendInfo->fBlendConstant = fBlendConstant; @@ -48,21 +81,36 @@ public: private: GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrColor constant); - virtual bool onIsEqual(const GrFragmentProcessor& fpBase) const SK_OVERRIDE { - const GrPorterDuffXferProcessor& xp = fpBase.cast<GrPorterDuffXferProcessor>(); + bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE { + const GrPorterDuffXferProcessor& xp = xpBase.cast<GrPorterDuffXferProcessor>(); if (fSrcBlend != xp.fSrcBlend || fDstBlend != xp.fDstBlend || - fBlendConstant != xp.fBlendConstant) { + fBlendConstant != xp.fBlendConstant || + fPrimaryOutputType != xp.fPrimaryOutputType || + fSecondaryOutputType != xp.fSecondaryOutputType) { return false; } return true; } - virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; + void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; + + GrXferProcessor::OptFlags internalGetOptimizations(const GrProcOptInfo& colorPOI, + const GrProcOptInfo& coveragePOI, + bool isCoverageDrawing, + bool colorWriteDisabled, + bool doesStencilWrite, + GrColor* color, + uint8_t* coverage); + + void calcOutputTypes(GrXferProcessor::OptFlags blendOpts, const GrDrawTargetCaps& caps, + bool hasSolidCoverage, bool readDst); GrBlendCoeff fSrcBlend; GrBlendCoeff fDstBlend; GrColor fBlendConstant; + PrimaryOutputType fPrimaryOutputType; + SecondaryOutputType fSecondaryOutputType; typedef GrXferProcessor INHERITED; }; @@ -107,6 +155,8 @@ private: return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff); } + GR_DECLARE_XP_FACTORY_TEST; + GrBlendCoeff fSrcCoeff; GrBlendCoeff fDstCoeff; |