1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#ifndef COIN_VBO_H
#define COIN_VBO_H
/**************************************************************************\
*
* This file is part of the Coin 3D visualization library.
* Copyright (C) by Kongsberg Oil & Gas Technologies.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.GPL at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using Coin with software that can not be combined with the GNU
* GPL, and for taking advantage of the additional benefits of our
* support services, please contact Kongsberg Oil & Gas Technologies
* about acquiring a Coin Professional Edition License.
*
* See http://www.coin3d.org/ for more information.
*
* Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
* http://www.sim.no/ sales@sim.no coin-support@coin3d.org
*
\**************************************************************************/
#ifndef COIN_INTERNAL
#error this is a private header file
#endif /* !COIN_INTERNAL */
#include <Inventor/system/gl.h>
#include <Inventor/C/glue/gl.h>
#include "misc/SbHash.h"
class SoState;
class SoVBO {
public:
SoVBO(const GLenum target = GL_ARRAY_BUFFER,
const GLenum usage = GL_STATIC_DRAW);
~SoVBO();
static void init(void);
void setBufferData(const GLvoid * data, intptr_t size, uint32_t dataid = 0);
void * allocBufferData(intptr_t size, uint32_t dataid = 0);
uint32_t getBufferDataId(void) const;
void getBufferData(const GLvoid *& data, intptr_t & size);
void bindBuffer(uint32_t contextid);
static void setVertexCountLimits(const int minlimit, const int maxlimit);
static int getVertexCountMinLimit(void);
static int getVertexCountMaxLimit(void);
static void testGLPerformance(const uint32_t contextid);
static SbBool shouldCreateVBO(SoState * state, const uint32_t contextid, const int numdata);
static SbBool shouldRenderAsVertexArrays(SoState * statea,
const uint32_t contextid,
const int numdata);
private:
static void context_created(const uint32_t contextid, void * closure);
static SbBool isVBOFast(const uint32_t contextid);
static void context_destruction_cb(uint32_t context, void * userdata);
friend struct vbo_schedule;
static void vbo_delete(void * closure, uint32_t contextid);
GLenum target;
GLenum usage;
const GLvoid * data;
intptr_t datasize;
uint32_t dataid;
SbBool didalloc;
SbHash <GLuint, uint32_t> vbohash;
};
#endif // COIN_VERTEXARRAYINDEXER_H
|