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/*
* 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 "GrPipelineBuilder.h"
#include "GrBlend.h"
#include "GrPaint.h"
#include "GrPipeline.h"
#include "GrProcOptInfo.h"
#include "GrXferProcessor.h"
#include "batches/GrBatch.h"
#include "effects/GrPorterDuffXferProcessor.h"
GrPipelineBuilder::GrPipelineBuilder()
: fProcDataManager(new GrProcessorDataManager), fFlags(0x0), fDrawFace(kBoth_DrawFace) {
SkDEBUGCODE(fBlockEffectRemovalCnt = 0;)
}
GrPipelineBuilder& GrPipelineBuilder::operator=(const GrPipelineBuilder& that) {
fProcDataManager.reset(new GrProcessorDataManager(*that.processorDataManager()));
fRenderTarget.reset(SkSafeRef(that.fRenderTarget.get()));
fFlags = that.fFlags;
fStencilSettings = that.fStencilSettings;
fDrawFace = that.fDrawFace;
fXPFactory.reset(SkRef(that.getXPFactory()));
fColorStages = that.fColorStages;
fCoverageStages = that.fCoverageStages;
fClip = that.fClip;
return *this;
}
GrPipelineBuilder::GrPipelineBuilder(const GrPaint& paint, GrRenderTarget* rt, const GrClip& clip) {
SkDEBUGCODE(fBlockEffectRemovalCnt = 0;)
// TODO keep this logically const using an AutoReset
fProcDataManager.reset(
const_cast<GrProcessorDataManager*>(SkRef(paint.processorDataManager())));
fColorStages.reset();
fCoverageStages.reset();
for (int i = 0; i < paint.numColorStages(); ++i) {
fColorStages.push_back(paint.getColorStage(i));
}
for (int i = 0; i < paint.numCoverageStages(); ++i) {
fCoverageStages.push_back(paint.getCoverageStage(i));
}
fXPFactory.reset(SkRef(paint.getXPFactory()));
this->setRenderTarget(rt);
// These have no equivalent in GrPaint, set them to defaults
fDrawFace = kBoth_DrawFace;
fStencilSettings.setDisabled();
fFlags = 0;
fClip = clip;
this->setState(GrPipelineBuilder::kDither_Flag, paint.isDither());
this->setState(GrPipelineBuilder::kHWAntialias_Flag,
rt->isUnifiedMultisampled() && paint.isAntiAlias());
}
//////////////////////////////////////////////////////////////////////////////s
bool GrPipelineBuilder::willXPNeedDstTexture(const GrCaps& caps,
const GrProcOptInfo& colorPOI,
const GrProcOptInfo& coveragePOI) const {
return this->getXPFactory()->willNeedDstTexture(caps, colorPOI, coveragePOI,
this->hasMixedSamples());
}
void GrPipelineBuilder::AutoRestoreFragmentProcessorState::set(
const GrPipelineBuilder* pipelineBuilder) {
if (fPipelineBuilder) {
int m = fPipelineBuilder->numColorFragmentStages() - fColorEffectCnt;
SkASSERT(m >= 0);
fPipelineBuilder->fColorStages.pop_back_n(m);
int n = fPipelineBuilder->numCoverageFragmentStages() - fCoverageEffectCnt;
SkASSERT(n >= 0);
fPipelineBuilder->fCoverageStages.pop_back_n(n);
SkDEBUGCODE(--fPipelineBuilder->fBlockEffectRemovalCnt;)
fPipelineBuilder->getProcessorDataManager()->restoreToSaveMarker(/*fSaveMarker*/);
}
fPipelineBuilder = const_cast<GrPipelineBuilder*>(pipelineBuilder);
if (NULL != pipelineBuilder) {
fColorEffectCnt = pipelineBuilder->numColorFragmentStages();
fCoverageEffectCnt = pipelineBuilder->numCoverageFragmentStages();
SkDEBUGCODE(++pipelineBuilder->fBlockEffectRemovalCnt;)
fSaveMarker = pipelineBuilder->processorDataManager()->currentSaveMarker();
}
}
////////////////////////////////////////////////////////////////////////////////
GrPipelineBuilder::~GrPipelineBuilder() {
SkASSERT(0 == fBlockEffectRemovalCnt);
}
////////////////////////////////////////////////////////////////////////////////
void GrPipelineBuilder::calcColorInvariantOutput(const GrPrimitiveProcessor* pp) const {
fColorProcInfo.calcColorWithPrimProc(pp, fColorStages.begin(), this->numColorFragmentStages());
}
void GrPipelineBuilder::calcCoverageInvariantOutput(const GrPrimitiveProcessor* pp) const {
fCoverageProcInfo.calcCoverageWithPrimProc(pp, fCoverageStages.begin(),
this->numCoverageFragmentStages());
}
void GrPipelineBuilder::calcColorInvariantOutput(const GrDrawBatch* batch) const {
fColorProcInfo.calcColorWithBatch(batch, fColorStages.begin(), this->numColorFragmentStages());
}
void GrPipelineBuilder::calcCoverageInvariantOutput(const GrDrawBatch* batch) const {
fCoverageProcInfo.calcCoverageWithBatch(batch, fCoverageStages.begin(),
this->numCoverageFragmentStages());
}
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