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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 GrStrokeRectBatch_DEFINED
#define GrStrokeRectBatch_DEFINED
#include "GrColor.h"
#include "GrDefaultGeoProcFactory.h"
#include "GrVertexBatch.h"
class GrStrokeRectBatch : public GrVertexBatch {
public:
struct Geometry {
GrColor fColor;
SkMatrix fViewMatrix;
SkRect fRect;
SkScalar fStrokeWidth;
};
static GrDrawBatch* Create(const Geometry& geometry, bool snapToPixelCenters) {
return SkNEW_ARGS(GrStrokeRectBatch, (geometry, snapToPixelCenters));
}
const char* name() const override { return "GrStrokeRectBatch"; }
void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
// When this is called on a batch, there is only one geometry bundle
out->setKnownFourComponents(fGeoData[0].fColor);
}
void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
out->setKnownSingleComponent(0xff);
}
private:
void onPrepareDraws(Target*) override;
void initBatchTracker(const GrPipelineOptimizations&) override;
GrStrokeRectBatch(const Geometry& geometry, bool snapToPixelCenters);
GrColor color() const { return fBatch.fColor; }
bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
bool colorIgnored() const { return fBatch.fColorIgnored; }
const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; }
bool hairline() const { return fBatch.fHairline; }
bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
bool onCombineIfPossible(GrBatch* t, const GrCaps&) override {
// if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *t->pipeline(),
// t->bounds(), caps)) {
// return false;
// }
// GrStrokeRectBatch* that = t->cast<StrokeRectBatch>();
// NonAA stroke rects cannot batch right now
// TODO make these batchable
return false;
}
struct BatchTracker {
GrColor fColor;
bool fUsesLocalCoords;
bool fColorIgnored;
bool fCoverageIgnored;
bool fHairline;
};
const static int kVertsPerHairlineRect = 5;
const static int kVertsPerStrokeRect = 10;
BatchTracker fBatch;
SkSTArray<1, Geometry, true> fGeoData;
};
#endif
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