renderDelegateAdapterRenderer.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_RENDER_DELEGATE_ADAPTER_RENDERER_H
#define PXR_IMAGING_HD_RENDER_DELEGATE_ADAPTER_RENDERER_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
#include "pxr/imaging/hd/pluginRenderDelegateUniqueHandle.h"
#include "pxr/imaging/hd/renderer.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HdRenderIndex;
class HdEngine;
class HdDriver;
TF_DECLARE_REF_PTRS(HdSceneIndexBase);
 
class HdRenderDelegateAdapterRenderer : public HdRenderer
{
public:
    HD_API
    HdRenderDelegateAdapterRenderer(
        HdPluginRenderDelegateUniqueHandle renderDelegate,
        HdSceneIndexBaseRefPtr const &terminalSceneIndex,
        HdContainerDataSourceHandle const &rendererCreateArgs);
 
    HD_API
    ~HdRenderDelegateAdapterRenderer() override;
 
    HdLegacyRenderControlInterface * GetLegacyRenderControl() override;
    
private:
    // Keep HdDriver's alive while HdRenderIndex/HdRenderDelegate has raw
    // pointers to HdDriver.
    const std::vector<HdDriver> _drivers;
    HdPluginRenderDelegateUniqueHandle const _renderDelegate;
    std::unique_ptr<HdRenderIndex> const _renderIndex;
    std::unique_ptr<HdEngine> const _engine;
 
    class _LegacyRenderControl;
    std::unique_ptr<_LegacyRenderControl> const _legacyRenderControl;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif