blob: a9ccd73c1cc57e3c9e16d8f723908ce2567444de [file] [log] [blame]
/*
* 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 GrCCPRAtlas_DEFINED
#define GrCCPRAtlas_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 GrCCPRAtlas {
public:
static constexpr int kMinSize = 1024;
GrCCPRAtlas(const GrCaps&, int minWidth, int minHeight);
~GrCCPRAtlas();
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);
sk_sp<GrTextureProxy> textureProxy() const { return fTextureProxy; }
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