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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 GrTextureProxyCacheAccess_DEFINED
#define GrTextureProxyCacheAccess_DEFINED
#include "GrTextureProxy.h"
/**
* This class allows GrResourceCache increased privileged access to GrTextureProxy objects.
*/
class GrTextureProxy::CacheAccess {
private:
void setUniqueKey(GrResourceCache* cache, const GrUniqueKey& key) {
fTextureProxy->setUniqueKey(cache, key);
}
void clearUniqueKey() {
fTextureProxy->clearUniqueKey();
}
explicit CacheAccess(GrTextureProxy* textureProxy) : fTextureProxy(textureProxy) {}
CacheAccess(const CacheAccess&) {} // unimpl
CacheAccess& operator=(const CacheAccess&); // unimpl
// No taking addresses of this type.
const CacheAccess* operator&() const;
CacheAccess* operator&();
GrTextureProxy* fTextureProxy;
friend class GrTextureProxy; // to construct/copy this type.
friend class GrResourceCache; // to use this type
};
inline GrTextureProxy::CacheAccess GrTextureProxy::cacheAccess() { return CacheAccess(this); }
inline const GrTextureProxy::CacheAccess GrTextureProxy::cacheAccess() const {
return CacheAccess(const_cast<GrTextureProxy*>(this));
}
#endif
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