pluginRendererUniqueHandle.h

//
// Copyright 2025 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_PLUGIN_RENDERER_UNIQUE_HANDLE_H
#define PXR_IMAGING_HD_PLUGIN_RENDERER_UNIQUE_HANDLE_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
#include "pxr/imaging/hd/rendererPluginHandle.h"
 
#include <cstddef>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HdRenderer;
 
class HdPluginRendererUniqueHandle final
{
public:
    HD_API
    HdPluginRendererUniqueHandle();
 
    HD_API
    HdPluginRendererUniqueHandle(HdPluginRendererUniqueHandle &&);
 
    HD_API
    HdPluginRendererUniqueHandle(const std::nullptr_t &);
 
    HD_API
    ~HdPluginRendererUniqueHandle();
 
    HD_API
    HdPluginRendererUniqueHandle &operator=(HdPluginRendererUniqueHandle &&);
 
    HD_API
    HdPluginRendererUniqueHandle &operator=(const std::nullptr_t &);
 
    HdRenderer *Get() const { return _renderer.get(); }
 
    HdRenderer *operator->() const { return _renderer.get(); }
    HdRenderer &operator*() const { return *_renderer; }
 
    explicit operator bool() const { return bool(_renderer); }
 
    HD_API
    TfToken GetPluginId() const;
 
private:
    friend class HdRendererPlugin;
 
    HdPluginRendererUniqueHandle(
        HdRendererPluginHandle plugin,
        std::unique_ptr<HdRenderer> renderer);
 
    HdRendererPluginHandle _plugin;
    std::unique_ptr<HdRenderer> _renderer;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif