src/gpu/GrRenderTargetProxyPriv.h

/*
 * Copyright 2018 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrRenderTargetProxyPriv_DEFINED
#define GrRenderTargetProxyPriv_DEFINED

#include "src/gpu/GrRenderTargetProxy.h"

/**
 * This class hides the more specialized capabilities of GrRenderTargetProxy.
 */
class GrRenderTargetProxyPriv {
public:
    void setGLRTFBOIDIs0() {
        // FBO0 should never be wrapped as a texture render target.
        SkASSERT(!fRenderTargetProxy->requiresManualMSAAResolve());
        SkASSERT(!fRenderTargetProxy->asTextureProxy());
        fRenderTargetProxy->setGLRTFBOIDIs0();
    }

    bool glRTFBOIDIs0() const {
        return fRenderTargetProxy->glRTFBOIDIs0();
    }

private:
    explicit GrRenderTargetProxyPriv(GrRenderTargetProxy* renderTargetProxy)
            : fRenderTargetProxy(renderTargetProxy) {}
    GrRenderTargetProxyPriv(const GrRenderTargetProxyPriv&) {} // unimpl
    GrRenderTargetProxyPriv& operator=(const GrRenderTargetProxyPriv&); // unimpl

    // No taking addresses of this type.
    const GrRenderTargetProxyPriv* operator&() const;
    GrRenderTargetProxyPriv* operator&();

    GrRenderTargetProxy* fRenderTargetProxy;

    friend class GrRenderTargetProxy;  // to construct/copy this type.
};

inline GrRenderTargetProxyPriv GrRenderTargetProxy::rtPriv() {
    return GrRenderTargetProxyPriv(this);
}

inline const GrRenderTargetProxyPriv GrRenderTargetProxy::rtPriv() const {
    return GrRenderTargetProxyPriv(const_cast<GrRenderTargetProxy*>(this));
}

#endif