device.h

//
// Copyright 2020 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HGIGL_DEVICE_H
#define PXR_IMAGING_HGIGL_DEVICE_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hgi/graphicsCmdsDesc.h"
#include "pxr/imaging/hgiGL/api.h"
#include "pxr/imaging/hgiGL/contextArena.h"
#include "pxr/imaging/hgiGL/hgi.h"
 
#include <fstream>
#include <ostream>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HgiGraphicsCmdDesc;
 
class HgiGLDevice final {
public:
    HGIGL_API
    HgiGLDevice();
 
    HGIGL_API
    ~HgiGLDevice();
 
    HGIGL_API
    void SubmitOps(HgiGLOpsVector const& ops);
 
    HGIGL_API
    void SetCurrentArena(HgiGLContextArenaHandle const& arenaHandle);
 
    HGIGL_API
    HgiGLContextArena* GetCurrentArena() const;
 
    HGIGL_API
    uint32_t AcquireFramebuffer(
        HgiGraphicsCmdsDesc const& desc,
        bool resolved = false);
    
    HGIGL_API
    void GarbageCollect();
 
private:
    HgiGLContextArena const * _GetArena() const;
    HgiGLContextArena * _GetArena();
 
    HgiGLDevice & operator=(const HgiGLDevice&) = delete;
    HgiGLDevice(const HgiGLDevice&) = delete;
 
    friend std::ofstream& operator<<(
        std::ofstream& out,
        const HgiGLDevice& dev);
 
    // The default arena is used in the absence of a user provided arena.
    HgiGLContextArena _defaultArena;
    HgiGLContextArena *_activeArena;
};
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif