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SoVBO.h
1 #ifndef COIN_VBO_H
2 #define COIN_VBO_H
3 
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35 
36 #ifndef COIN_INTERNAL
37 #error this is a private header file
38 #endif /* !COIN_INTERNAL */
39 
40 #include <Inventor/system/gl.h>
41 #include <Inventor/C/glue/gl.h>
42 
43 #include "misc/SbHash.h"
44 
45 class SoState;
46 
47 class SoVBO {
48  public:
49  SoVBO(const GLenum target = GL_ARRAY_BUFFER,
50  const GLenum usage = GL_STATIC_DRAW);
51  ~SoVBO();
52 
53  static void init(void);
54 
55  void setBufferData(const GLvoid * data, intptr_t size, uint32_t dataid = 0);
56  void * allocBufferData(intptr_t size, uint32_t dataid = 0);
57  uint32_t getBufferDataId(void) const;
58  void getBufferData(const GLvoid *& data, intptr_t & size);
59  void bindBuffer(uint32_t contextid);
60 
61  static void setVertexCountLimits(const int minlimit, const int maxlimit);
62  static int getVertexCountMinLimit(void);
63  static int getVertexCountMaxLimit(void);
64 
65  static void testGLPerformance(const uint32_t contextid);
66  static SbBool shouldCreateVBO(SoState * state, const uint32_t contextid, const int numdata);
67  static SbBool shouldRenderAsVertexArrays(SoState * statea,
68  const uint32_t contextid,
69  const int numdata);
70 
71  private:
72  static void context_created(const uint32_t contextid, void * closure);
73  static SbBool isVBOFast(const uint32_t contextid);
74  static void context_destruction_cb(uint32_t context, void * userdata);
75  friend struct vbo_schedule;
76  static void vbo_delete(void * closure, uint32_t contextid);
77 
78  GLenum target;
79  GLenum usage;
80  const GLvoid * data;
81  intptr_t datasize;
82  uint32_t dataid;
83  SbBool didalloc;
84 
85  SbHash<uint32_t, GLuint> vbohash;
86 };
87 
88 #endif // COIN_VERTEXARRAYINDEXER_H
static int getVertexCountMaxLimit(void)
Definition: SoVBO.cpp:387
uint32_t getBufferDataId(void) const
Definition: SoVBO.cpp:278
The SoState class manages the Coin scenegraph traversal state data.The SoState class is used by actio...
Definition: SoState.h:44
void getBufferData(const GLvoid *&data, intptr_t &size)
Definition: SoVBO.cpp:287
void * allocBufferData(intptr_t size, uint32_t dataid=0)
Definition: SoVBO.cpp:205
~SoVBO()
Definition: SoVBO.cpp:104
void bindBuffer(uint32_t contextid)
Definition: SoVBO.cpp:298
static void setVertexCountLimits(const int minlimit, const int maxlimit)
Definition: SoVBO.cpp:364
static int getVertexCountMinLimit(void)
Definition: SoVBO.cpp:376
The SoVBO class is used to handle OpenGL vertex buffer objects.
Definition: SoVBO.h:47
void setBufferData(const GLvoid *data, intptr_t size, uint32_t dataid=0)
Definition: SoVBO.cpp:243
SoVBO(const GLenum target=0x8892, const GLenum usage=0x88E4)
Definition: SoVBO.cpp:77