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/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 // Required until C++17 copy elision 23 GrResourceProviderPriv(const GrResourceProviderPriv&) = default; 24 GrResourceProviderPriv& operator=(const GrResourceProviderPriv&) = delete; 25 26 // No taking addresses of this type. 27 const GrResourceProviderPriv* operator&() const; 28 GrResourceProviderPriv* operator&(); 29 30 GrResourceProvider* fResourceProvider; 31 friend class GrResourceProvider; // to construct/copy this type 32 }; 33 priv()34inline GrResourceProviderPriv GrResourceProvider::priv() { return GrResourceProviderPriv(this); } 35 priv()36inline const GrResourceProviderPriv GrResourceProvider::priv() const { // NOLINT(readability-const-return-type) 37 return GrResourceProviderPriv(const_cast<GrResourceProvider*>(this)); 38 } 39 40 #endif 41