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 * Attaches the GrStencilAttachment onto the render target. If stencil is a nullptr then the 25 * currently attached GrStencilAttachment will be removed if one was previously attached. This 26 * function returns false if there were any failure in attaching the GrStencilAttachment. 27 */ 28 bool attachStencilAttachment(GrStencilAttachment* stencil); 29 30 private: 31 explicit GrRenderTargetPriv(GrRenderTarget* renderTarget) : fRenderTarget(renderTarget) {} 32 GrRenderTargetPriv(const GrRenderTargetPriv&) {} // unimpl 33 GrRenderTargetPriv& operator=(const GrRenderTargetPriv&); // unimpl 34 35 // No taking addresses of this type. 36 const GrRenderTargetPriv* operator&() const; 37 GrRenderTargetPriv* operator&(); 38 39 GrRenderTarget* fRenderTarget; 40 41 friend class GrRenderTarget; // to construct/copy this type. 42 }; 43 44 inline GrRenderTargetPriv GrRenderTarget::renderTargetPriv() { return GrRenderTargetPriv(this); } 45 46 inline const GrRenderTargetPriv GrRenderTarget::renderTargetPriv () const { 47 return GrRenderTargetPriv(const_cast<GrRenderTarget*>(this)); 48 } 49 50 #endif 51
