bufferobj.h revision c1f859d4 
1/*
2 * Mesa 3-D graphics library
3 * Version:  7.2
4 *
5 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26
27#ifndef BUFFEROBJ_H
28#define BUFFEROBJ_H
29
30
31#include "context.h"
32
33
34/*
35 * Internal functions
36 */
37
38extern void
39_mesa_init_buffer_objects( GLcontext *ctx );
40
41extern void
42_mesa_update_default_objects_buffer_objects(GLcontext *ctx);
43
44extern struct gl_buffer_object *
45_mesa_new_buffer_object( GLcontext *ctx, GLuint name, GLenum target );
46
47extern void
48_mesa_delete_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj );
49
50extern struct gl_buffer_object *
51_mesa_lookup_bufferobj(GLcontext *ctx, GLuint buffer);
52
53extern void
54_mesa_initialize_buffer_object( struct gl_buffer_object *obj,
55				GLuint name, GLenum target );
56
57extern void
58_mesa_reference_buffer_object(GLcontext *ctx,
59                              struct gl_buffer_object **ptr,
60                              struct gl_buffer_object *bufObj);
61
62extern void
63_mesa_buffer_data( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
64		   const GLvoid * data, GLenum usage,
65		   struct gl_buffer_object * bufObj );
66
67extern void
68_mesa_buffer_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
69		      GLsizeiptrARB size, const GLvoid * data,
70		      struct gl_buffer_object * bufObj );
71
72extern void
73_mesa_buffer_get_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
74			  GLsizeiptrARB size, GLvoid * data,
75			  struct gl_buffer_object * bufObj );
76
77extern void *
78_mesa_buffer_map( GLcontext *ctx, GLenum target, GLenum access,
79		  struct gl_buffer_object * bufObj );
80
81extern GLboolean
82_mesa_buffer_unmap( GLcontext *ctx, GLenum target,
83                    struct gl_buffer_object * bufObj );
84
85extern GLboolean
86_mesa_validate_pbo_access(GLuint dimensions,
87                          const struct gl_pixelstore_attrib *pack,
88                          GLsizei width, GLsizei height, GLsizei depth,
89                          GLenum format, GLenum type, const GLvoid *ptr);
90
91extern const GLubyte *
92_mesa_map_bitmap_pbo(GLcontext *ctx,
93                     const struct gl_pixelstore_attrib *unpack,
94                     const GLubyte *bitmap);
95
96extern void
97_mesa_unmap_bitmap_pbo(GLcontext *ctx,
98                       const struct gl_pixelstore_attrib *unpack);
99
100extern const GLvoid *
101_mesa_map_drawpix_pbo(GLcontext *ctx,
102                      const struct gl_pixelstore_attrib *unpack,
103                      const GLvoid *pixels);
104
105extern void
106_mesa_unmap_drapix_pbo(GLcontext *ctx,
107                       const struct gl_pixelstore_attrib *unpack);
108
109
110extern void *
111_mesa_map_readpix_pbo(GLcontext *ctx,
112                      const struct gl_pixelstore_attrib *pack,
113                      GLvoid *dest);
114
115extern void
116_mesa_unmap_readpix_pbo(GLcontext *ctx,
117                        const struct gl_pixelstore_attrib *pack);
118
119
120
121/*
122 * API functions
123 */
124
125extern void GLAPIENTRY
126_mesa_BindBufferARB(GLenum target, GLuint buffer);
127
128extern void GLAPIENTRY
129_mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
130
131extern void GLAPIENTRY
132_mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
133
134extern GLboolean GLAPIENTRY
135_mesa_IsBufferARB(GLuint buffer);
136
137extern void GLAPIENTRY
138_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
139
140extern void GLAPIENTRY
141_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
142
143extern void GLAPIENTRY
144_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
145
146extern void * GLAPIENTRY
147_mesa_MapBufferARB(GLenum target, GLenum access);
148
149extern GLboolean GLAPIENTRY
150_mesa_UnmapBufferARB(GLenum target);
151
152extern void GLAPIENTRY
153_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
154
155extern void GLAPIENTRY
156_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
157
158#endif
159