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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.
*/
#ifndef GrDrawPathOp_DEFINED
#define GrDrawPathOp_DEFINED
#include "GrDrawOp.h"
#include "GrOpFlushState.h"
#include "GrPath.h"
#include "GrPathProcessor.h"
#include "GrPathRendering.h"
#include "GrProcessorSet.h"
#include "GrStencilSettings.h"
class GrPaint;
class GrDrawPathOpBase : public GrDrawOp {
protected:
GrDrawPathOpBase(uint32_t classID, const SkMatrix& viewMatrix, GrPaint&&,
GrPathRendering::FillType, GrAAType);
FixedFunctionFlags fixedFunctionFlags() const override {
if (GrAATypeIsHW(fAAType)) {
return FixedFunctionFlags::kUsesHWAA | FixedFunctionFlags::kUsesStencil;
}
return FixedFunctionFlags::kUsesStencil;
}
RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
return this->doProcessorAnalysis(caps, clip).requiresDstTexture()
? RequiresDstTexture::kYes : RequiresDstTexture::kNo;
}
void visitProxies(const VisitProxyFunc& func) const override {
fProcessorSet.visitProxies(func);
}
protected:
const SkMatrix& viewMatrix() const { return fViewMatrix; }
GrColor color() const { return fInputColor; }
GrPathRendering::FillType fillType() const { return fFillType; }
const GrProcessorSet& processors() const { return fProcessorSet; }
GrProcessorSet detachProcessors() { return std::move(fProcessorSet); }
inline GrPipeline::InitArgs pipelineInitArgs(const GrOpFlushState&);
const GrProcessorSet::Analysis& doProcessorAnalysis(const GrCaps& caps,
const GrAppliedClip* clip) {
bool isMixedSamples = GrAAType::kMixedSamples == fAAType;
fAnalysis = fProcessorSet.finalize(fInputColor, GrProcessorAnalysisCoverage::kNone, clip,
isMixedSamples, caps, &fInputColor);
return fAnalysis;
}
const GrProcessorSet::Analysis& processorAnalysis() const {
SkASSERT(fAnalysis.isInitialized());
return fAnalysis;
}
private:
void onPrepare(GrOpFlushState*) final {}
SkMatrix fViewMatrix;
GrColor fInputColor;
GrProcessorSet::Analysis fAnalysis;
GrPathRendering::FillType fFillType;
GrAAType fAAType;
GrProcessorSet fProcessorSet;
typedef GrDrawOp INHERITED;
};
class GrDrawPathOp final : public GrDrawPathOpBase {
public:
DEFINE_OP_CLASS_ID
static std::unique_ptr<GrDrawOp> Make(GrContext*,
const SkMatrix& viewMatrix,
GrPaint&&,
GrAAType,
GrPath*);
const char* name() const override { return "DrawPath"; }
SkString dumpInfo() const override;
private:
friend class GrOpMemoryPool; // for ctor
GrDrawPathOp(const SkMatrix& viewMatrix, GrPaint&& paint, GrAAType aaType, const GrPath* path)
: GrDrawPathOpBase(ClassID(), viewMatrix, std::move(paint), path->getFillType(), aaType)
, fPath(path) {
this->setTransformedBounds(path->getBounds(), viewMatrix, HasAABloat::kNo, IsZeroArea::kNo);
}
bool onCombineIfPossible(GrOp* t, const GrCaps& caps) override { return false; }
void onExecute(GrOpFlushState* state) override;
GrPendingIOResource<const GrPath, kRead_GrIOType> fPath;
typedef GrDrawPathOpBase INHERITED;
};
#endif
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