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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrTextureContext_DEFINED
#define GrTextureContext_DEFINED
#include "GrSurfaceContext.h"
#include "../private/GrTextureProxy.h"
class GrContext;
class GrDrawingManager;
class GrSurface;
class GrTextureOpList;
class GrTextureProxy;
struct SkIPoint;
struct SkIRect;
/**
* A helper object to orchestrate commands (currently just copies) for GrSurfaces that are
* GrTextures and not GrRenderTargets.
*/
class SK_API GrTextureContext : public GrSurfaceContext {
public:
~GrTextureContext() override;
GrSurfaceProxy* asSurfaceProxy() override { return fTextureProxy.get(); }
const GrSurfaceProxy* asSurfaceProxy() const override { return fTextureProxy.get(); }
sk_sp<GrSurfaceProxy> asSurfaceProxyRef() override { return fTextureProxy; }
GrTextureProxy* asTextureProxy() override { return fTextureProxy.get(); }
sk_sp<GrTextureProxy> asTextureProxyRef() override { return fTextureProxy; }
GrRenderTargetProxy* asRenderTargetProxy() override;
sk_sp<GrRenderTargetProxy> asRenderTargetProxyRef() override;
protected:
GrTextureContext(GrContext*, GrDrawingManager*, sk_sp<GrTextureProxy>,
sk_sp<SkColorSpace>, GrAuditTrail*, GrSingleOwner*);
SkDEBUGCODE(void validate() const;)
private:
friend class GrDrawingManager; // for ctor
bool onCopy(GrSurfaceProxy* src, const SkIRect& srcRect, const SkIPoint& dstPoint) override;
bool onReadPixels(const SkImageInfo& dstInfo, void* dstBuffer,
size_t dstRowBytes, int x, int y, uint32_t flags) override;
bool onWritePixels(const SkImageInfo& srcInfo, const void* srcBuffer,
size_t srcRowBytes, int x, int y, uint32_t flags) override;
GrTextureOpList* getOpList();
sk_sp<GrTextureProxy> fTextureProxy;
// In MDB-mode the GrOpList can be closed by some other renderTargetContext that has picked
// it up. For this reason, the GrOpList should only ever be accessed via 'getOpList'.
GrTextureOpList* fOpList;
typedef GrSurfaceContext INHERITED;
};
#endif
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