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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 GrTextureProxy_DEFINED
#define GrTextureProxy_DEFINED
#include "GrSurfaceProxy.h"
#include "GrTexture.h"
class GrTextureProvider;
// This class delays the acquisition of textures until they are actually required
class GrTextureProxy : public GrSurfaceProxy {
public:
// TODO: need to refine ownership semantics of 'srcData' if we're in completely
// deferred mode
static sk_sp<GrTextureProxy> Make(const GrSurfaceDesc&, SkBackingFit, SkBudgeted,
const void* srcData = nullptr, size_t rowBytes = 0);
static sk_sp<GrTextureProxy> Make(sk_sp<GrTexture>);
// TODO: add asRenderTargetProxy variants
GrTextureProxy* asTextureProxy() override { return this; }
const GrTextureProxy* asTextureProxy() const override { return this; }
// Actually instantiate the backing texture, if necessary
GrTexture* instantiate(GrTextureProvider* texProvider);
private:
GrTextureProxy(const GrSurfaceDesc& desc, SkBackingFit fit, SkBudgeted budgeted,
const void* /*srcData*/, size_t /*rowBytes*/)
: INHERITED(desc, fit, budgeted) {
// TODO: Handle 'srcData' here
}
// Wrapped version
GrTextureProxy(sk_sp<GrTexture> tex);
// For wrapped textures we store it here.
// For deferred proxies we will fill this in when we need to instantiate the deferred resource
sk_sp<GrTexture> fTexture;
typedef GrSurfaceProxy INHERITED;
};
#endif
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