buffer.h

//
// Copyright 2020 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HGI_GL_BUFFER_H
#define PXR_IMAGING_HGI_GL_BUFFER_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hgiGL/api.h"
#include "pxr/imaging/hgi/buffer.h"
 
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HgiGLBuffer final : public HgiBuffer
{
public:
    HGIGL_API
    ~HgiGLBuffer() override;
 
    HGIGL_API
    size_t GetByteSizeOfResource() const override;
 
    HGIGL_API
    uint64_t GetRawResource() const override;
 
    HGIGL_API
    void* GetCPUStagingAddress() override;
 
    uint32_t GetBufferId() const {return _bufferId;}
 
    HGIGL_API
    uint64_t GetBindlessGPUAddress();
 
protected:
    friend class HgiGL;
 
    HGIGL_API
    HgiGLBuffer(HgiBufferDesc const & desc);
 
private:
    HgiGLBuffer() = delete;
    HgiGLBuffer & operator=(const HgiGLBuffer&) = delete;
    HgiGLBuffer(const HgiGLBuffer&) = delete;
 
    uint32_t _bufferId;
    void* _cpuStaging;
    uint64_t _bindlessGPUAddress;
};
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif