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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 GrSurfaceProxyPriv_DEFINED
#define GrSurfaceProxyPriv_DEFINED
#include "GrSurfaceProxy.h"
/** Class that adds methods to GrSurfaceProxy that are only intended for use internal to Skia.
This class is purely a privileged window into GrSurfaceProxy. It should never have additional
data members or virtual methods. */
class GrSurfaceProxyPriv {
public:
// If the proxy is already instantiated, return its backing GrTexture; if not,
// return null
const GrTexture* peekTexture() const {
return fProxy->fTarget ? fProxy->fTarget->asTexture() : nullptr;
}
// Beware! This call is only guaranteed to tell you if the proxy in question has
// any pending IO in its current state. It won't tell you about the IO state in the
// future when the proxy is actually used/instantiated.
bool hasPendingIO() const { return fProxy->hasPendingIO(); }
// Beware! This call is only guaranteed to tell you if the proxy in question has
// any pending writes in its current state. It won't tell you about the IO state in the
// future when the proxy is actually used/instantiated.
bool hasPendingWrite() const { return fProxy->hasPendingWrite(); }
// Don't abuse this call!!!!!!!
bool isExact() const { return SkBackingFit::kExact == fProxy->fFit; }
// Don't. Just don't.
void exactify();
private:
explicit GrSurfaceProxyPriv(GrSurfaceProxy* proxy) : fProxy(proxy) {}
GrSurfaceProxyPriv(const GrSurfaceProxyPriv&) {} // unimpl
GrSurfaceProxyPriv& operator=(const GrSurfaceProxyPriv&); // unimpl
// No taking addresses of this type.
const GrSurfaceProxyPriv* operator&() const;
GrSurfaceProxyPriv* operator&();
GrSurfaceProxy* fProxy;
friend class GrSurfaceProxy; // to construct/copy this type.
};
inline GrSurfaceProxyPriv GrSurfaceProxy::priv() { return GrSurfaceProxyPriv(this); }
inline const GrSurfaceProxyPriv GrSurfaceProxy::priv () const {
return GrSurfaceProxyPriv(const_cast<GrSurfaceProxy*>(this));
}
#endif