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buffer.h
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1 //
2 // Copyright 2020 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
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9 // 6. Trademarks. This License does not grant permission to use the trade
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14 // You may obtain a copy of the Apache License at
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24 #ifndef PXR_IMAGING_HGI_GL_BUFFER_H
25 #define PXR_IMAGING_HGI_GL_BUFFER_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hgiGL/api.h"
29 #include "pxr/imaging/hgi/buffer.h"
30 
31 
33 
34 /// \class HgiGLBuffer
35 ///
36 /// Represents an OpenGL GPU buffer resource.
37 ///
38 class HgiGLBuffer final : public HgiBuffer
39 {
40 public:
41  HGIGL_API
42  ~HgiGLBuffer() override;
43 
44  HGIGL_API
45  size_t GetByteSizeOfResource() const override;
46 
47  HGIGL_API
48  uint64_t GetRawResource() const override;
49 
50  HGIGL_API
51  void* GetCPUStagingAddress() override;
52 
53  uint32_t GetBufferId() const {return _bufferId;}
54 
55  /// Returns the bindless gpu address (caller must verify extension support)
56  HGIGL_API
57  uint64_t GetBindlessGPUAddress();
58 
59 protected:
60  friend class HgiGL;
61 
62  HGIGL_API
63  HgiGLBuffer(HgiBufferDesc const & desc);
64 
65 private:
66  HgiGLBuffer() = delete;
67  HgiGLBuffer & operator=(const HgiGLBuffer&) = delete;
68  HgiGLBuffer(const HgiGLBuffer&) = delete;
69 
70  uint32_t _bufferId;
71  void* _mapped;
72  void* _cpuStaging;
73  uint64_t _bindlessGPUAddress;
74 };
75 
76 
78 
79 #endif
uint32_t GetBufferId() const
Definition: buffer.h:53
HGIGL_API uint64_t GetRawResource() const override
HGIGL_API ~HgiGLBuffer() override
Definition: hgi.h:71
#define HGIGL_API
Definition: api.h:40
HGIGL_API void * GetCPUStagingAddress() override
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1432
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
HGIGL_API size_t GetByteSizeOfResource() const override
HGIGL_API uint64_t GetBindlessGPUAddress()
Returns the bindless gpu address (caller must verify extension support)