aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/main/bufferobj.h
blob: cf43ad9a2b2714996fe200242b779be865662259 (plain)
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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/*
 * Mesa 3-D graphics library
 * Version:  7.6
 *
 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
 * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */



#ifndef BUFFEROBJ_H
#define BUFFEROBJ_H


#include "mfeatures.h"
#include "mtypes.h"


/*
 * Internal functions
 */


/** Is the given buffer object currently mapped? */
static INLINE GLboolean
_mesa_bufferobj_mapped(const struct gl_buffer_object *obj)
{
   return obj->Pointer != NULL;
}

/**
 * Is the given buffer object a user-created buffer object?
 * Mesa uses default buffer objects in several places.  Default buffers
 * always have Name==0.  User created buffers have Name!=0.
 */
static INLINE GLboolean
_mesa_is_bufferobj(const struct gl_buffer_object *obj)
{
   return obj->Name != 0;
}


extern void
_mesa_init_buffer_objects( struct gl_context *ctx );

extern void
_mesa_free_buffer_objects( struct gl_context *ctx );

extern void
_mesa_update_default_objects_buffer_objects(struct gl_context *ctx);


extern struct gl_buffer_object *
_mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer);

extern void
_mesa_initialize_buffer_object( struct gl_buffer_object *obj,
				GLuint name, GLenum target );

extern void
_mesa_reference_buffer_object(struct gl_context *ctx,
                              struct gl_buffer_object **ptr,
                              struct gl_buffer_object *bufObj);

extern GLboolean
_mesa_validate_pbo_access(GLuint dimensions,
                          const struct gl_pixelstore_attrib *pack,
                          GLsizei width, GLsizei height, GLsizei depth,
                          GLenum format, GLenum type, const GLvoid *ptr);

extern const GLvoid *
_mesa_map_pbo_source(struct gl_context *ctx,
                     const struct gl_pixelstore_attrib *unpack,
                     const GLvoid *src);

extern const GLvoid *
_mesa_map_validate_pbo_source(struct gl_context *ctx,
                              GLuint dimensions,
                              const struct gl_pixelstore_attrib *unpack,
                              GLsizei width, GLsizei height, GLsizei depth,
                              GLenum format, GLenum type, const GLvoid *ptr,
                              const char *where);

extern void
_mesa_unmap_pbo_source(struct gl_context *ctx,
                       const struct gl_pixelstore_attrib *unpack);

extern void *
_mesa_map_pbo_dest(struct gl_context *ctx,
                   const struct gl_pixelstore_attrib *pack,
                   GLvoid *dest);

extern GLvoid *
_mesa_map_validate_pbo_dest(struct gl_context *ctx,
                            GLuint dimensions,
                            const struct gl_pixelstore_attrib *unpack,
                            GLsizei width, GLsizei height, GLsizei depth,
                            GLenum format, GLenum type, GLvoid *ptr,
                            const char *where);

extern void
_mesa_unmap_pbo_dest(struct gl_context *ctx,
                     const struct gl_pixelstore_attrib *pack);


extern void
_mesa_init_buffer_object_functions(struct dd_function_table *driver);


/*
 * API functions
 */

extern void GLAPIENTRY
_mesa_BindBufferARB(GLenum target, GLuint buffer);

extern void GLAPIENTRY
_mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);

extern void GLAPIENTRY
_mesa_GenBuffersARB(GLsizei n, GLuint * buffer);

extern GLboolean GLAPIENTRY
_mesa_IsBufferARB(GLuint buffer);

extern void GLAPIENTRY
_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);

extern void GLAPIENTRY
_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);

extern void GLAPIENTRY
_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);

extern void * GLAPIENTRY
_mesa_MapBufferARB(GLenum target, GLenum access);

extern GLboolean GLAPIENTRY
_mesa_UnmapBufferARB(GLenum target);

extern void GLAPIENTRY
_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);

extern void GLAPIENTRY
_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params);

extern void GLAPIENTRY
_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);

extern void GLAPIENTRY
_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
                        GLintptr readOffset, GLintptr writeOffset,
                        GLsizeiptr size);

extern void * GLAPIENTRY
_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
                     GLbitfield access);

extern void GLAPIENTRY
_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);

#if FEATURE_APPLE_object_purgeable
extern GLenum GLAPIENTRY
_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);

extern GLenum GLAPIENTRY
_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);

extern void GLAPIENTRY
_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, GLint* params);
#endif

#endif