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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 GrAAFillRectBatch_DEFINED
#define GrAAFillRectBatch_DEFINED
#include "GrBatch.h"
#include "GrColor.h"
#include "GrTypes.h"
#include "SkMatrix.h"
#include "SkRect.h"
class GrAAFillRectBatch : public GrBatch {
public:
struct Geometry {
GrColor fColor;
SkMatrix fViewMatrix;
SkRect fRect;
SkRect fDevRect;
};
static GrBatch* Create(const Geometry& geometry) {
return SkNEW_ARGS(GrAAFillRectBatch, (geometry));
}
const char* name() const override { return "AAFillRectBatch"; }
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->setUnknownSingleComponent();
}
void initBatchTracker(const GrPipelineInfo& init) override;
void generateGeometry(GrBatchTarget* batchTarget) override;
SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
private:
GrAAFillRectBatch(const Geometry& geometry) {
this->initClassID<GrAAFillRectBatch>();
fGeoData.push_back(geometry);
this->setBounds(geometry.fDevRect);
}
static const int kNumAAFillRectsInIndexBuffer = 256;
static const int kVertsPerAAFillRect = 8;
static const int kIndicesPerAAFillRect = 30;
const GrIndexBuffer* getIndexBuffer(GrResourceProvider* resourceProvider);
GrColor color() const { return fBatch.fColor; }
bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCoverage; }
bool colorIgnored() const { return fBatch.fColorIgnored; }
const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; }
bool coverageIgnored() const { return fBatch.fCoverageIgnored; }
bool onCombineIfPossible(GrBatch* t) override;
void generateAAFillRectGeometry(void* vertices,
size_t offset,
size_t vertexStride,
GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect,
bool tweakAlphaForCoverage) const;
struct BatchTracker {
GrColor fColor;
bool fUsesLocalCoords;
bool fColorIgnored;
bool fCoverageIgnored;
bool fCanTweakAlphaForCoverage;
};
BatchTracker fBatch;
SkSTArray<1, Geometry, true> fGeoData;
};
#endif
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