1 /* 2 * Copyright 2015 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 GrRenderTargetPriv_DEFINED 9 #define GrRenderTargetPriv_DEFINED 10 11 #include "GrRenderTarget.h" 12 13 /** Class that adds methods to GrRenderTarget that are only intended for use internal to Skia. 14 This class is purely a privileged window into GrRenderTarget. It should never have additional 15 data members or virtual methods. */ 16 class GrRenderTargetPriv { 17 public: 18 /** 19 * GrStencilAttachment is not part of the public API. 20 */ 21 GrStencilAttachment* getStencilAttachment() const { return fRenderTarget->fStencilAttachment; } 22 23 /** 24 * If this render target already has a stencil buffer, return it. Otherwise attempt to attach 25 * one. 26 */ 27 GrStencilAttachment* attachStencilAttachment() const; 28 29 void didAttachStencilAttachment(GrStencilAttachment*); 30 31 private: 32 explicit GrRenderTargetPriv(GrRenderTarget* renderTarget) : fRenderTarget(renderTarget) {} 33 GrRenderTargetPriv(const GrRenderTargetPriv&) {} // unimpl 34 GrRenderTargetPriv& operator=(const GrRenderTargetPriv&); // unimpl 35 36 // No taking addresses of this type. 37 const GrRenderTargetPriv* operator&() const; 38 GrRenderTargetPriv* operator&(); 39 40 GrRenderTarget* fRenderTarget; 41 42 friend class GrRenderTarget; // to construct/copy this type. 43 }; 44 45 inline GrRenderTargetPriv GrRenderTarget::renderTargetPriv() { return GrRenderTargetPriv(this); } 46 47 inline const GrRenderTargetPriv GrRenderTarget::renderTargetPriv () const { 48 return GrRenderTargetPriv(const_cast<GrRenderTarget*>(this)); 49 } 50 51 #endif 52
