blob: c671922808914b7dd8e0d8e1cb8810d41a9d214f [file] [log] [blame]
/*
* 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 "GrPipeline.h"
#include "GrAppliedClip.h"
#include "GrCaps.h"
#include "GrGpu.h"
#include "GrRenderTargetContext.h"
#include "GrRenderTargetOpList.h"
#include "GrXferProcessor.h"
#include "ops/GrOp.h"
GrPipeline::GrPipeline(const InitArgs& args,
GrProcessorSet&& processors,
GrAppliedClip&& appliedClip) {
SkASSERT(args.fProxy);
SkASSERT(processors.isFinalized());
fProxy.reset(args.fProxy);
fFlags = args.fFlags;
if (appliedClip.hasStencilClip()) {
fFlags |= kHasStencilClip_Flag;
}
if (appliedClip.scissorState().enabled()) {
fFlags |= kScissorEnabled_Flag;
}
fWindowRectsState = appliedClip.windowRectsState();
if (!args.fUserStencil->isDisabled(fFlags & kHasStencilClip_Flag)) {
fFlags |= kStencilEnabled_Flag;
}
fUserStencilSettings = args.fUserStencil;
fXferProcessor = processors.refXferProcessor();
if (args.fDstProxy.proxy()) {
if (!args.fDstProxy.proxy()->instantiate(args.fResourceProvider)) {
this->markAsBad();
}
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);
if (!fFragmentProcessors[currFPIdx]->instantiate(args.fResourceProvider)) {
this->markAsBad();
}
}
for (int i = 0; i < processors.numCoverageFragmentProcessors(); ++i, ++currFPIdx) {
fFragmentProcessors[currFPIdx] = processors.detachCoverageFragmentProcessor(i);
if (!fFragmentProcessors[currFPIdx]->instantiate(args.fResourceProvider)) {
this->markAsBad();
}
}
for (int i = 0; i < appliedClip.numClipCoverageFragmentProcessors(); ++i, ++currFPIdx) {
fFragmentProcessors[currFPIdx] = appliedClip.detachClipCoverageFragmentProcessor(i);
if (!fFragmentProcessors[currFPIdx]->instantiate(args.fResourceProvider)) {
this->markAsBad();
}
}
}
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(const GrCaps& caps) const {
if (fDstTextureProxy.get() &&
fDstTextureProxy.get()->peekTexture() == fProxy.get()->peekTexture()) {
return kTexture_GrXferBarrierType;
}
return this->getXferProcessor().xferBarrierType(caps);
}
GrPipeline::GrPipeline(GrRenderTargetProxy* proxy, GrScissorTest scissorTest, SkBlendMode blendmode)
: fProxy(proxy)
, fWindowRectsState()
, fUserStencilSettings(&GrUserStencilSettings::kUnused)
, fFlags()
, fXferProcessor(GrPorterDuffXPFactory::MakeNoCoverageXP(blendmode))
, fFragmentProcessors()
, fNumColorProcessors(0) {
SkASSERT(proxy);
if (GrScissorTest::kEnabled == scissorTest) {
fFlags |= kScissorEnabled_Flag;
}
}