Robert Phillips | 757914d | 2017-01-25 15:48:30 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef GrSurfaceProxyPriv_DEFINED |
| 9 | #define GrSurfaceProxyPriv_DEFINED |
| 10 | |
| 11 | #include "GrSurfaceProxy.h" |
| 12 | |
| 13 | /** Class that adds methods to GrSurfaceProxy that are only intended for use internal to Skia. |
| 14 | This class is purely a privileged window into GrSurfaceProxy. It should never have additional |
| 15 | data members or virtual methods. */ |
| 16 | class GrSurfaceProxyPriv { |
| 17 | public: |
| 18 | // Beware! This call is only guaranteed to tell you if the proxy in question has |
| 19 | // any pending IO in its current state. It won't tell you about the IO state in the |
| 20 | // future when the proxy is actually used/instantiated. |
| 21 | bool hasPendingIO() const { return fProxy->hasPendingIO(); } |
| 22 | |
| 23 | private: |
| 24 | explicit GrSurfaceProxyPriv(GrSurfaceProxy* proxy) : fProxy(proxy) {} |
| 25 | GrSurfaceProxyPriv(const GrSurfaceProxyPriv&) {} // unimpl |
| 26 | GrSurfaceProxyPriv& operator=(const GrSurfaceProxyPriv&); // unimpl |
| 27 | |
| 28 | // No taking addresses of this type. |
| 29 | const GrSurfaceProxyPriv* operator&() const; |
| 30 | GrSurfaceProxyPriv* operator&(); |
| 31 | |
| 32 | GrSurfaceProxy* fProxy; |
| 33 | |
| 34 | friend class GrSurfaceProxy; // to construct/copy this type. |
| 35 | }; |
| 36 | |
| 37 | inline GrSurfaceProxyPriv GrSurfaceProxy::priv() { return GrSurfaceProxyPriv(this); } |
| 38 | |
| 39 | inline const GrSurfaceProxyPriv GrSurfaceProxy::priv () const { |
| 40 | return GrSurfaceProxyPriv(const_cast<GrSurfaceProxy*>(this)); |
| 41 | } |
| 42 | |
| 43 | #endif |