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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrCCPerFlushResources_DEFINED
#define GrCCPerFlushResources_DEFINED
#include "GrAllocator.h"
#include "ccpr/GrCCAtlas.h"
#include "ccpr/GrCCPathParser.h"
#include "ccpr/GrCCPathProcessor.h"
/**
* This class wraps all the GPU resources that CCPR builds at flush time.
*/
class GrCCPerFlushResources {
public:
GrCCPerFlushResources(GrOnFlushResourceProvider*, int numPathDraws, int numClipPaths,
const GrCCPathParser::PathStats&);
bool isMapped() const { return SkToBool(fPathInstanceData); }
GrCCAtlas* addPathToAtlas(const GrCaps&, const SkIRect& clipIBounds, const SkMatrix&,
const SkPath&, SkRect* devBounds, SkRect* devBounds45,
int16_t* offsetX, int16_t* offsetY);
GrCCAtlas* addDeviceSpacePathToAtlas(const GrCaps&, const SkIRect& clipIBounds,
const SkPath& devPath, const SkIRect& devPathIBounds,
int16_t* atlasOffsetX, int16_t* atlasOffsetY);
// See GrCCPathProcessor::Instance.
int appendDrawPathInstance(const SkRect& devBounds, const SkRect& devBounds45,
const std::array<float, 4>& viewMatrix,
const std::array<float, 2>& viewTranslate,
const std::array<int16_t, 2>& atlasOffset, uint32_t color) {
SkASSERT(this->isMapped());
SkASSERT(fPathInstanceCount < fPathInstanceBufferCount);
fPathInstanceData[fPathInstanceCount] = {devBounds, devBounds45, viewMatrix, viewTranslate,
atlasOffset, color};
return fPathInstanceCount++;
}
int pathInstanceCount() const { return fPathInstanceCount; }
bool finalize(GrOnFlushResourceProvider*,
SkTArray<sk_sp<GrRenderTargetContext>>* atlasDraws);
const GrBuffer* indexBuffer() const { SkASSERT(!this->isMapped()); return fIndexBuffer.get(); }
const GrBuffer* vertexBuffer() const { SkASSERT(!this->isMapped()); return fVertexBuffer.get();}
GrBuffer* instanceBuffer() const { SkASSERT(!this->isMapped()); return fInstanceBuffer.get(); }
private:
GrCCAtlas* placeParsedPathInAtlas(const GrCaps&, const SkIRect& clipIBounds,
const SkIRect& pathIBounds, int16_t* atlasOffsetX,
int16_t* atlasOffsetY);
const sk_sp<GrCCPathParser> fPathParser;
sk_sp<const GrBuffer> fIndexBuffer;
sk_sp<const GrBuffer> fVertexBuffer;
sk_sp<GrBuffer> fInstanceBuffer;
GrCCPathProcessor::Instance* fPathInstanceData = nullptr;
int fPathInstanceCount = 0;
SkDEBUGCODE(int fPathInstanceBufferCount);
GrSTAllocator<4, GrCCAtlas> fAtlases;
};
#endif
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