GrBaseContextPriv.h

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/*
 * Copyright 2019 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef GrBaseContextPriv_DEFINED
#define GrBaseContextPriv_DEFINED
 
#include "include/gpu/GrContextOptions.h"
#include "include/private/gpu/ganesh/GrContext_Base.h"
 
/** Class that exposes methods on GrContext_Base that are only intended for use internal to Skia.
    This class is purely a privileged window into GrContext_Base. It should never have
    additional data members or virtual methods. */
class GrBaseContextPriv {
public:
    GrContext_Base* context() { return fContext; }
    const GrContext_Base* context() const { return fContext; }
 
    uint32_t contextID() const { return this->context()->contextID(); }
 
    bool matches(GrContext_Base* candidate) const { return this->context()->matches(candidate); }
 
    const GrContextOptions& options() const { return this->context()->options(); }
 
    const GrCaps* caps() const { return this->context()->caps(); }
    sk_sp<const GrCaps> refCaps() const;
 
    GrImageContext* asImageContext() { return this->context()->asImageContext(); }
    GrRecordingContext* asRecordingContext() { return this->context()->asRecordingContext(); }
    GrDirectContext* asDirectContext() { return this->context()->asDirectContext(); }
 
    GrContextOptions::ShaderErrorHandler* getShaderErrorHandler() const;
 
protected:
    explicit GrBaseContextPriv(GrContext_Base* context) : fContext(context) {}
 
    GrContext_Base* fContext;
 
private:
    GrBaseContextPriv& operator=(const GrBaseContextPriv&) = delete;
 
    // No taking addresses of this type.
    const GrBaseContextPriv* operator&() const;
    GrBaseContextPriv* operator&();
 
    friend class GrContext_Base; // to construct/copy this type.
};
 
inline GrBaseContextPriv GrContext_Base::priv() { return GrBaseContextPriv(this); }
 
inline const GrBaseContextPriv GrContext_Base::priv () const {  // NOLINT(readability-const-return-type)
    return GrBaseContextPriv(const_cast<GrContext_Base*>(this));
}
 
#endif