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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrCCAtlas_DEFINED
#define GrCCAtlas_DEFINED
#include "SkRefCnt.h"
#include "SkSize.h"
class GrCaps;
class GrDrawOp;
class GrOnFlushResourceProvider;
class GrRenderTargetContext;
class GrTextureProxy;
struct SkIPoint16;
/**
* This class implements a dynamic size GrRectanizer that grows until it reaches the implementation-
* dependent max texture size. When finalized, it also creates and stores a GrTextureProxy for the
* underlying atlas.
*/
class GrCCAtlas {
public:
static constexpr int kMinSize = 1024;
GrCCAtlas(const GrCaps&, int minWidth, int minHeight);
~GrCCAtlas();
bool addRect(int devWidth, int devHeight, SkIPoint16* loc);
const SkISize& drawBounds() { return fDrawBounds; }
sk_sp<GrRenderTargetContext> SK_WARN_UNUSED_RESULT
finalize(GrOnFlushResourceProvider*, std::unique_ptr<GrDrawOp> atlasOp);
GrTextureProxy* textureProxy() const { return fTextureProxy.get(); }
private:
class Node;
bool internalPlaceRect(int w, int h, SkIPoint16* loc);
const int fMaxAtlasSize;
int fWidth;
int fHeight;
SkISize fDrawBounds;
std::unique_ptr<Node> fTopNode;
sk_sp<GrTextureProxy> fTextureProxy;
};
#endif
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