2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 #include "mfeatures.h"
41 /** Is the given buffer object currently mapped? */
42 static INLINE GLboolean
43 _mesa_bufferobj_mapped(const struct gl_buffer_object
*obj
)
45 return obj
->Pointer
!= NULL
;
49 * Is the given buffer object a user-created buffer object?
50 * Mesa uses default buffer objects in several places. Default buffers
51 * always have Name==0. User created buffers have Name!=0.
53 static INLINE GLboolean
54 _mesa_is_bufferobj(const struct gl_buffer_object
*obj
)
56 return obj
->Name
!= 0;
61 _mesa_init_buffer_objects( struct gl_context
*ctx
);
64 _mesa_free_buffer_objects( struct gl_context
*ctx
);
67 _mesa_update_default_objects_buffer_objects(struct gl_context
*ctx
);
70 extern struct gl_buffer_object
*
71 _mesa_lookup_bufferobj(struct gl_context
*ctx
, GLuint buffer
);
74 _mesa_initialize_buffer_object( struct gl_buffer_object
*obj
,
75 GLuint name
, GLenum target
);
78 _mesa_reference_buffer_object(struct gl_context
*ctx
,
79 struct gl_buffer_object
**ptr
,
80 struct gl_buffer_object
*bufObj
);
83 _mesa_validate_pbo_access(GLuint dimensions
,
84 const struct gl_pixelstore_attrib
*pack
,
85 GLsizei width
, GLsizei height
, GLsizei depth
,
86 GLenum format
, GLenum type
, const GLvoid
*ptr
);
89 _mesa_map_pbo_source(struct gl_context
*ctx
,
90 const struct gl_pixelstore_attrib
*unpack
,
94 _mesa_map_validate_pbo_source(struct gl_context
*ctx
,
96 const struct gl_pixelstore_attrib
*unpack
,
97 GLsizei width
, GLsizei height
, GLsizei depth
,
98 GLenum format
, GLenum type
, const GLvoid
*ptr
,
102 _mesa_unmap_pbo_source(struct gl_context
*ctx
,
103 const struct gl_pixelstore_attrib
*unpack
);
106 _mesa_map_pbo_dest(struct gl_context
*ctx
,
107 const struct gl_pixelstore_attrib
*pack
,
111 _mesa_map_validate_pbo_dest(struct gl_context
*ctx
,
113 const struct gl_pixelstore_attrib
*unpack
,
114 GLsizei width
, GLsizei height
, GLsizei depth
,
115 GLenum format
, GLenum type
, GLvoid
*ptr
,
119 _mesa_unmap_pbo_dest(struct gl_context
*ctx
,
120 const struct gl_pixelstore_attrib
*pack
);
124 _mesa_init_buffer_object_functions(struct dd_function_table
*driver
);
131 extern void GLAPIENTRY
132 _mesa_BindBufferARB(GLenum target
, GLuint buffer
);
134 extern void GLAPIENTRY
135 _mesa_DeleteBuffersARB(GLsizei n
, const GLuint
* buffer
);
137 extern void GLAPIENTRY
138 _mesa_GenBuffersARB(GLsizei n
, GLuint
* buffer
);
140 extern GLboolean GLAPIENTRY
141 _mesa_IsBufferARB(GLuint buffer
);
143 extern void GLAPIENTRY
144 _mesa_BufferDataARB(GLenum target
, GLsizeiptrARB size
, const GLvoid
* data
, GLenum usage
);
146 extern void GLAPIENTRY
147 _mesa_BufferSubDataARB(GLenum target
, GLintptrARB offset
, GLsizeiptrARB size
, const GLvoid
* data
);
149 extern void GLAPIENTRY
150 _mesa_GetBufferSubDataARB(GLenum target
, GLintptrARB offset
, GLsizeiptrARB size
, void * data
);
152 extern void * GLAPIENTRY
153 _mesa_MapBufferARB(GLenum target
, GLenum access
);
155 extern GLboolean GLAPIENTRY
156 _mesa_UnmapBufferARB(GLenum target
);
158 extern void GLAPIENTRY
159 _mesa_GetBufferParameterivARB(GLenum target
, GLenum pname
, GLint
*params
);
161 extern void GLAPIENTRY
162 _mesa_GetBufferParameteri64v(GLenum target
, GLenum pname
, GLint64
*params
);
164 extern void GLAPIENTRY
165 _mesa_GetBufferPointervARB(GLenum target
, GLenum pname
, GLvoid
**params
);
167 extern void GLAPIENTRY
168 _mesa_CopyBufferSubData(GLenum readTarget
, GLenum writeTarget
,
169 GLintptr readOffset
, GLintptr writeOffset
,
172 extern void * GLAPIENTRY
173 _mesa_MapBufferRange(GLenum target
, GLintptr offset
, GLsizeiptr length
,
176 extern void GLAPIENTRY
177 _mesa_FlushMappedBufferRange(GLenum target
, GLintptr offset
, GLsizeiptr length
);
179 #if FEATURE_APPLE_object_purgeable
180 extern GLenum GLAPIENTRY
181 _mesa_ObjectPurgeableAPPLE(GLenum objectType
, GLuint name
, GLenum option
);
183 extern GLenum GLAPIENTRY
184 _mesa_ObjectUnpurgeableAPPLE(GLenum objectType
, GLuint name
, GLenum option
);
186 extern void GLAPIENTRY
187 _mesa_GetObjectParameterivAPPLE(GLenum objectType
, GLuint name
, GLenum pname
, GLint
* params
);