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. */
16class GrResourceProviderPriv {
17public:
18    GrGpu* gpu() { return fResourceProvider->gpu(); }
19
20private:
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
33inline GrResourceProviderPriv GrResourceProvider::priv() { return GrResourceProviderPriv(this); }
34
35inline const GrResourceProviderPriv GrResourceProvider::priv() const {
36    return GrResourceProviderPriv(const_cast<GrResourceProvider*>(this));
37}
38
39#endif
40