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bufferResourceGL.h
1 //
2 // Copyright 2017 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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14 // You may obtain a copy of the Apache License at
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24 #ifndef HDST_BUFFER_RESOURCE_GL_H
25 #define HDST_BUFFER_RESOURCE_GL_H
26 
27 #include "pxr/imaging/glf/glew.h"
28 
29 #include "pxr/pxr.h"
30 #include "pxr/imaging/hdSt/api.h"
31 #include "pxr/imaging/hd/version.h"
32 #include "pxr/imaging/hd/bufferResource.h"
33 
34 #include "pxr/base/tf/token.h"
35 
36 #include <boost/shared_ptr.hpp>
37 #include <cstddef>
38 #include <utility>
39 #include <vector>
40 
41 PXR_NAMESPACE_OPEN_SCOPE
42 
43 typedef boost::shared_ptr<class HdStBufferResourceGL>
44  HdStBufferResourceGLSharedPtr;
45 
46 typedef std::pair<TfToken, HdStBufferResourceGLSharedPtr>
47  HdStBufferResourceGLNamedPair;
48 typedef std::vector<HdStBufferResourceGLNamedPair>
49  HdStBufferResourceGLNamedList;
50 
57 public:
58  HDST_API
59  HdStBufferResourceGL(TfToken const &role,
60  HdTupleType tupleType,
61  int offset,
62  int stride);
63  HDST_API
64  ~HdStBufferResourceGL();
65 
68  HDST_API
69  void SetAllocation(GLuint id, size_t size);
70 
72  GLuint GetId() const { return _id; }
73 
75  uint64_t GetGPUAddress() const { return _gpuAddr; }
76 
78  HDST_API
79  GLuint GetTextureBuffer();
80 
81 private:
82  uint64_t _gpuAddr;
83  GLuint _texId;
84  GLuint _id;
85 };
86 
87 
88 PXR_NAMESPACE_CLOSE_SCOPE
89 
90 #endif // HDST_BUFFER_RESOURCE_GL_H
HdTupleType represents zero, one, or more values of the same HdType.
Definition: types.h:239
HDST_API GLuint GetTextureBuffer()
Returns the texture buffer view.
uint64_t GetGPUAddress() const
Returns the gpu address (if available. otherwise returns 0).
A specific type of HdResource (GPU resource) representing a buffer object.
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
HDST_API void SetAllocation(GLuint id, size_t size)
Sets the OpenGL name/identifier for this resource and its size.
GLuint GetId() const
Returns the OpenGL id for this GPU resource.
A specific type of HdBufferResource (GPU resource) representing an OpenGL buffer object.