xref: /aosp_15_r20/external/skia/src/gpu/ganesh/GrResourceProviderPriv.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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 "src/gpu/ganesh/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:
gpu()18     GrGpu* gpu() { return fResourceProvider->gpu(); }
19 
20 private:
GrResourceProviderPriv(GrResourceProvider * provider)21     explicit GrResourceProviderPriv(GrResourceProvider* provider) : fResourceProvider(provider) {}
22     GrResourceProviderPriv& operator=(const GrResourceProviderPriv&) = delete;
23 
24     // No taking addresses of this type.
25     const GrResourceProviderPriv* operator&() const;
26     GrResourceProviderPriv* operator&();
27 
28     GrResourceProvider* fResourceProvider;
29     friend class GrResourceProvider; // to construct/copy this type
30 };
31 
priv()32 inline GrResourceProviderPriv GrResourceProvider::priv() { return GrResourceProviderPriv(this); }
33 
priv()34 inline const GrResourceProviderPriv GrResourceProvider::priv() const {  // NOLINT(readability-const-return-type)
35     return GrResourceProviderPriv(const_cast<GrResourceProvider*>(this));
36 }
37 
38 #endif
39