1 /*
2  * Copyright 2018 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 GrResourceProviderPriv_DEFINED
9 #define GrResourceProviderPriv_DEFINED
10 
11 #include "GrResourceProvider.h"
12 
13 /** Class that adds methods to GrResourceProvider that are only intended for use internal to Skia.
14     This class is purely a privileged window into GrResourceProvider. It should never have
15     additional data members or virtual methods. */
16 class GrResourceProviderPriv {
17 public:
18     GrGpu* gpu() { return fResourceProvider->gpu(); }
19 
20 private:
21     explicit GrResourceProviderPriv(GrResourceProvider* provider) : fResourceProvider(provider) {}
22     GrResourceProviderPriv(const GrResourceProviderPriv&); // unimpl
23     GrResourceProviderPriv& operator=(const GrResourceProviderPriv&); // unimpl
24 
25     // No taking addresses of this type.
26     const GrResourceProviderPriv* operator&() const;
27     GrResourceProviderPriv* operator&();
28 
29     GrResourceProvider* fResourceProvider;
30     friend class GrResourceProvider; // to construct/copy this type
31 };
32 
33 inline GrResourceProviderPriv GrResourceProvider::priv() { return GrResourceProviderPriv(this); }
34 
35 inline const GrResourceProviderPriv GrResourceProvider::priv() const {
36     return GrResourceProviderPriv(const_cast<GrResourceProvider*>(this));
37 }
38 
39 #endif
40