/* * Copyright 2015 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "src/gpu/GrPipeline.h" #include "src/gpu/GrAppliedClip.h" #include "src/gpu/GrCaps.h" #include "src/gpu/GrGpu.h" #include "src/gpu/GrRenderTargetContext.h" #include "src/gpu/GrRenderTargetOpList.h" #include "src/gpu/GrXferProcessor.h" #include "src/gpu/ops/GrOp.h" GrPipeline::GrPipeline(const InitArgs& args, GrProcessorSet&& processors, GrAppliedClip&& appliedClip) : fOutputSwizzle(args.fOutputSwizzle) { SkASSERT(processors.isFinalized()); fFlags = (Flags)args.fInputFlags; if (appliedClip.hasStencilClip()) { fFlags |= Flags::kHasStencilClip; } if (appliedClip.scissorState().enabled()) { fFlags |= Flags::kScissorEnabled; } fWindowRectsState = appliedClip.windowRectsState(); if (!args.fUserStencil->isDisabled(fFlags & Flags::kHasStencilClip)) { fFlags |= Flags::kStencilEnabled; } fUserStencilSettings = args.fUserStencil; fXferProcessor = processors.refXferProcessor(); if (args.fDstProxy.proxy()) { SkASSERT(args.fDstProxy.proxy()->isInstantiated()); fDstTextureProxy.reset(args.fDstProxy.proxy()); fDstTextureOffset = args.fDstProxy.offset(); } // Copy GrFragmentProcessors from GrProcessorSet to Pipeline fNumColorProcessors = processors.numColorFragmentProcessors(); int numTotalProcessors = fNumColorProcessors + processors.numCoverageFragmentProcessors() + appliedClip.numClipCoverageFragmentProcessors(); fFragmentProcessors.reset(numTotalProcessors); int currFPIdx = 0; for (int i = 0; i < processors.numColorFragmentProcessors(); ++i, ++currFPIdx) { fFragmentProcessors[currFPIdx] = processors.detachColorFragmentProcessor(i); } for (int i = 0; i < processors.numCoverageFragmentProcessors(); ++i, ++currFPIdx) { fFragmentProcessors[currFPIdx] = processors.detachCoverageFragmentProcessor(i); } for (int i = 0; i < appliedClip.numClipCoverageFragmentProcessors(); ++i, ++currFPIdx) { fFragmentProcessors[currFPIdx] = appliedClip.detachClipCoverageFragmentProcessor(i); } #ifdef SK_DEBUG for (int i = 0; i < numTotalProcessors; ++i) { if (!fFragmentProcessors[i]->isInstantiated()) { this->markAsBad(); break; } } #endif } void GrPipeline::addDependenciesTo(GrOpList* opList, const GrCaps& caps) const { for (int i = 0; i < fFragmentProcessors.count(); ++i) { GrFragmentProcessor::TextureAccessIter iter(fFragmentProcessors[i].get()); while (const GrFragmentProcessor::TextureSampler* sampler = iter.next()) { opList->addDependency(sampler->proxy(), caps); } } if (fDstTextureProxy) { opList->addDependency(fDstTextureProxy.get(), caps); } } GrXferBarrierType GrPipeline::xferBarrierType(GrTexture* texture, const GrCaps& caps) const { if (fDstTextureProxy.get() && fDstTextureProxy.get()->peekTexture() == texture) { return kTexture_GrXferBarrierType; } return this->getXferProcessor().xferBarrierType(caps); } GrPipeline::GrPipeline(GrScissorTest scissorTest, sk_sp xp, const GrSwizzle& outputSwizzle, InputFlags inputFlags, const GrUserStencilSettings* userStencil) : fWindowRectsState() , fUserStencilSettings(userStencil) , fFlags((Flags)inputFlags) , fXferProcessor(std::move(xp)) , fFragmentProcessors() , fNumColorProcessors(0) , fOutputSwizzle(outputSwizzle) { if (GrScissorTest::kEnabled == scissorTest) { fFlags |= Flags::kScissorEnabled; } if (!userStencil->isDisabled(false)) { fFlags |= Flags::kStencilEnabled; } } uint32_t GrPipeline::getBlendInfoKey() const { const GrXferProcessor::BlendInfo& blendInfo = this->getXferProcessor().getBlendInfo(); static const uint32_t kBlendWriteShift = 1; static const uint32_t kBlendCoeffShift = 5; GR_STATIC_ASSERT(kLast_GrBlendCoeff < (1 << kBlendCoeffShift)); GR_STATIC_ASSERT(kFirstAdvancedGrBlendEquation - 1 < 4); uint32_t key = blendInfo.fWriteColor; key |= (blendInfo.fSrcBlend << kBlendWriteShift); key |= (blendInfo.fDstBlend << (kBlendWriteShift + kBlendCoeffShift)); key |= (blendInfo.fEquation << (kBlendWriteShift + 2 * kBlendCoeffShift)); return key; }