GrPipeline* GrPipeline::CreateAt(void* memory, const CreateArgs& args, GrXPOverridesForBatch* overrides) { const GrPipelineBuilder& builder = *args.fPipelineBuilder; // Create XferProcessor from DS's XPFactory const GrXPFactory* xpFactory = builder.getXPFactory(); SkAutoTUnref<GrXferProcessor> xferProcessor; if (xpFactory) { xferProcessor.reset(xpFactory->createXferProcessor(args.fOpts, builder.hasMixedSamples(), &args.fDstTexture, *args.fCaps)); } else { xferProcessor.reset(GrPorterDuffXPFactory::CreateSrcOverXferProcessor( *args.fCaps, args.fOpts, builder.hasMixedSamples(), &args.fDstTexture)); } if (!xferProcessor) { return nullptr; } GrColor overrideColor = GrColor_ILLEGAL; if (args.fOpts.fColorPOI.firstEffectiveProcessorIndex() != 0) { overrideColor = args.fOpts.fColorPOI.inputColorToFirstEffectiveProccesor(); } GrXferProcessor::OptFlags optFlags = GrXferProcessor::kNone_OptFlags; optFlags = xferProcessor->getOptimizations(args.fOpts, builder.getStencil().doesWrite(), &overrideColor, *args.fCaps); // When path rendering the stencil settings are not always set on the GrPipelineBuilder // so we must check the draw type. In cases where we will skip drawing we simply return a // null GrPipeline. if (GrXferProcessor::kSkipDraw_OptFlag & optFlags) { return nullptr; } // No need to have an override color if it isn't even going to be used. if (SkToBool(GrXferProcessor::kIgnoreColor_OptFlag & optFlags)) { overrideColor = GrColor_ILLEGAL; } GrPipeline* pipeline = new (memory) GrPipeline; pipeline->fXferProcessor.reset(xferProcessor); pipeline->fRenderTarget.reset(builder.fRenderTarget.get()); SkASSERT(pipeline->fRenderTarget); pipeline->fScissorState = *args.fScissor; pipeline->fStencilSettings = builder.getStencil(); pipeline->fDrawFace = builder.getDrawFace(); pipeline->fFlags = 0; if (builder.isHWAntialias()) { pipeline->fFlags |= kHWAA_Flag; } if (builder.snapVerticesToPixelCenters()) { pipeline->fFlags |= kSnapVertices_Flag; } int firstColorProcessorIdx = args.fOpts.fColorPOI.firstEffectiveProcessorIndex(); // TODO: Once we can handle single or four channel input into coverage GrFragmentProcessors // then we can use GrPipelineBuilder's coverageProcInfo (like color above) to set this initial // information. int firstCoverageProcessorIdx = 0; pipeline->adjustProgramFromOptimizations(builder, optFlags, args.fOpts.fColorPOI, args.fOpts.fCoveragePOI, &firstColorProcessorIdx, &firstCoverageProcessorIdx); bool usesLocalCoords = false; // Copy GrFragmentProcessors from GrPipelineBuilder to Pipeline pipeline->fNumColorProcessors = builder.numColorFragmentProcessors() - firstColorProcessorIdx; int numTotalProcessors = pipeline->fNumColorProcessors + builder.numCoverageFragmentProcessors() - firstCoverageProcessorIdx; pipeline->fFragmentProcessors.reset(numTotalProcessors); int currFPIdx = 0; for (int i = firstColorProcessorIdx; i < builder.numColorFragmentProcessors(); ++i, ++currFPIdx) { const GrFragmentProcessor* fp = builder.getColorFragmentProcessor(i); pipeline->fFragmentProcessors[currFPIdx].reset(fp); usesLocalCoords = usesLocalCoords || fp->usesLocalCoords(); } for (int i = firstCoverageProcessorIdx; i < builder.numCoverageFragmentProcessors(); ++i, ++currFPIdx) { const GrFragmentProcessor* fp = builder.getCoverageFragmentProcessor(i); pipeline->fFragmentProcessors[currFPIdx].reset(fp); usesLocalCoords = usesLocalCoords || fp->usesLocalCoords(); } // Setup info we need to pass to GrPrimitiveProcessors that are used with this GrPipeline. overrides->fFlags = 0; if (!SkToBool(optFlags & GrXferProcessor::kIgnoreColor_OptFlag)) { overrides->fFlags |= GrXPOverridesForBatch::kReadsColor_Flag; } if (GrColor_ILLEGAL != overrideColor) { overrides->fFlags |= GrXPOverridesForBatch::kUseOverrideColor_Flag; overrides->fOverrideColor = overrideColor; } if (!SkToBool(optFlags & GrXferProcessor::kIgnoreCoverage_OptFlag)) { overrides->fFlags |= GrXPOverridesForBatch::kReadsCoverage_Flag; } if (usesLocalCoords) { overrides->fFlags |= GrXPOverridesForBatch::kReadsLocalCoords_Flag; } if (SkToBool(optFlags & GrXferProcessor::kCanTweakAlphaForCoverage_OptFlag)) { overrides->fFlags |= GrXPOverridesForBatch::kCanTweakAlphaForCoverage_Flag; } GrXPFactory::InvariantBlendedColor blendedColor; if (xpFactory) { xpFactory->getInvariantBlendedColor(args.fOpts.fColorPOI, &blendedColor); } else { GrPorterDuffXPFactory::SrcOverInvariantBlendedColor(args.fOpts.fColorPOI.color(), args.fOpts.fColorPOI.validFlags(), args.fOpts.fColorPOI.isOpaque(), &blendedColor); } if (blendedColor.fWillBlendWithDst) { overrides->fFlags |= GrXPOverridesForBatch::kWillColorBlendWithDst_Flag; } return pipeline; }