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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrRenderTargetPriv_DEFINED
#define GrRenderTargetPriv_DEFINED
#include "GrRenderTarget.h"
#include "GrGpu.h"
class GrStencilSettings;
/** Class that adds methods to GrRenderTarget that are only intended for use internal to Skia.
This class is purely a privileged window into GrRenderTarget. It should never have additional
data members or virtual methods. */
class GrRenderTargetPriv {
public:
/**
* GrStencilAttachment is not part of the public API.
*/
GrStencilAttachment* getStencilAttachment() const { return fRenderTarget->fStencilAttachment; }
/**
* Attaches the GrStencilAttachment onto the render target. If stencil is a nullptr then the
* currently attached GrStencilAttachment will be removed if one was previously attached. This
* function returns false if there were any failure in attaching the GrStencilAttachment.
*/
bool attachStencilAttachment(sk_sp<GrStencilAttachment> stencil);
int numStencilBits() const;
// Finds a render target's multisample specs. The pipeline is only needed in case the info isn't
// cached and we need to flush the draw state in order to query it. The pipeline is not expected
// to affect the multisample information itself.
const GrGpu::MultisampleSpecs& getMultisampleSpecs(const GrPipeline&) const;
GrRenderTargetFlags flags() const { return fRenderTarget->fFlags; }
private:
explicit GrRenderTargetPriv(GrRenderTarget* renderTarget) : fRenderTarget(renderTarget) {}
GrRenderTargetPriv(const GrRenderTargetPriv&) {} // unimpl
GrRenderTargetPriv& operator=(const GrRenderTargetPriv&); // unimpl
// No taking addresses of this type.
const GrRenderTargetPriv* operator&() const;
GrRenderTargetPriv* operator&();
GrRenderTarget* fRenderTarget;
friend class GrRenderTarget; // to construct/copy this type.
};
inline GrRenderTargetPriv GrRenderTarget::renderTargetPriv() { return GrRenderTargetPriv(this); }
inline const GrRenderTargetPriv GrRenderTarget::renderTargetPriv () const {
return GrRenderTargetPriv(const_cast<GrRenderTarget*>(this));
}
#endif
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