diff options
author | egdaniel <egdaniel@google.com> | 2014-12-10 07:43:49 -0800 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2014-12-10 07:43:50 -0800 |
commit | 4dffc940c430eec66d4707490eace19c9b3f7904 (patch) | |
tree | cce5e8c525a5acec67c4398c95c165223320d679 /include/gpu/effects/GrPorterDuffXferProcessor.h | |
parent | 28828d00b20d90b6caf91e4b0b31e80acadf2d57 (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:
Review URL: https://codereview.chromium.org/764643004
Diffstat (limited to 'include/gpu/effects/GrPorterDuffXferProcessor.h')
-rw-r--r-- | include/gpu/effects/GrPorterDuffXferProcessor.h | 75 |
1 files changed, 57 insertions, 18 deletions
diff --git a/include/gpu/effects/GrPorterDuffXferProcessor.h b/include/gpu/effects/GrPorterDuffXferProcessor.h index 0ddfcdcd2a..26800c7f8f 100644 --- a/include/gpu/effects/GrPorterDuffXferProcessor.h +++ b/include/gpu/effects/GrPorterDuffXferProcessor.h @@ -26,20 +26,44 @@ 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 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, + }; + + 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 +72,34 @@ 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 || + 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 isCoverageDrawing, bool readDst); GrBlendCoeff fSrcBlend; GrBlendCoeff fDstBlend; GrColor fBlendConstant; + SecondaryOutputType fSecondaryOutputType; typedef GrXferProcessor INHERITED; }; @@ -107,6 +144,8 @@ private: return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff); } + GR_DECLARE_XP_FACTORY_TEST; + GrBlendCoeff fSrcCoeff; GrBlendCoeff fDstCoeff; |