2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
40 /** Is the given buffer object currently mapped by the GL user? */
41 static inline GLboolean
42 _mesa_bufferobj_mapped(const struct gl_buffer_object
*obj
,
43 gl_map_buffer_index index
)
45 return obj
->Mappings
[index
].Pointer
!= NULL
;
48 /** Can we not use this buffer while mapped? */
49 static inline GLboolean
50 _mesa_check_disallowed_mapping(const struct gl_buffer_object
*obj
)
52 return _mesa_bufferobj_mapped(obj
, MAP_USER
) &&
53 !(obj
->Mappings
[MAP_USER
].AccessFlags
&
54 GL_MAP_PERSISTENT_BIT
);
58 * Is the given buffer object a user-created buffer object?
59 * Mesa uses default buffer objects in several places. Default buffers
60 * always have Name==0. User created buffers have Name!=0.
62 static inline GLboolean
63 _mesa_is_bufferobj(const struct gl_buffer_object
*obj
)
65 return obj
!= NULL
&& obj
->Name
!= 0;
70 _mesa_init_buffer_objects(struct gl_context
*ctx
);
73 _mesa_free_buffer_objects(struct gl_context
*ctx
);
76 _mesa_handle_bind_buffer_gen(struct gl_context
*ctx
,
78 struct gl_buffer_object
**buf_handle
,
82 _mesa_update_default_objects_buffer_objects(struct gl_context
*ctx
);
85 extern struct gl_buffer_object
*
86 _mesa_lookup_bufferobj(struct gl_context
*ctx
, GLuint buffer
);
88 extern struct gl_buffer_object
*
89 _mesa_lookup_bufferobj_locked(struct gl_context
*ctx
, GLuint buffer
);
91 extern struct gl_buffer_object
*
92 _mesa_lookup_bufferobj_err(struct gl_context
*ctx
, GLuint buffer
,
96 _mesa_begin_bufferobj_lookups(struct gl_context
*ctx
);
99 _mesa_end_bufferobj_lookups(struct gl_context
*ctx
);
101 extern struct gl_buffer_object
*
102 _mesa_multi_bind_lookup_bufferobj(struct gl_context
*ctx
,
103 const GLuint
*buffers
,
104 GLuint index
, const char *caller
);
107 _mesa_initialize_buffer_object(struct gl_context
*ctx
,
108 struct gl_buffer_object
*obj
,
112 _mesa_reference_buffer_object_(struct gl_context
*ctx
,
113 struct gl_buffer_object
**ptr
,
114 struct gl_buffer_object
*bufObj
);
117 _mesa_reference_buffer_object(struct gl_context
*ctx
,
118 struct gl_buffer_object
**ptr
,
119 struct gl_buffer_object
*bufObj
)
122 _mesa_reference_buffer_object_(ctx
, ptr
, bufObj
);
126 _mesa_total_buffer_object_memory(struct gl_context
*ctx
);
129 _mesa_init_buffer_object_functions(struct dd_function_table
*driver
);
132 _mesa_buffer_storage(struct gl_context
*ctx
, struct gl_buffer_object
*bufObj
,
133 GLenum target
, GLsizeiptr size
, const GLvoid
*data
,
134 GLbitfield flags
, const char *func
);
137 _mesa_buffer_data(struct gl_context
*ctx
, struct gl_buffer_object
*bufObj
,
138 GLenum target
, GLsizeiptr size
, const GLvoid
*data
,
139 GLenum usage
, const char *func
);
142 _mesa_buffer_sub_data(struct gl_context
*ctx
, struct gl_buffer_object
*bufObj
,
143 GLintptr offset
, GLsizeiptr size
, const GLvoid
*data
,
147 _mesa_buffer_unmap_all_mappings(struct gl_context
*ctx
,
148 struct gl_buffer_object
*bufObj
);
151 _mesa_copy_buffer_sub_data(struct gl_context
*ctx
,
152 struct gl_buffer_object
*src
,
153 struct gl_buffer_object
*dst
,
154 GLintptr readOffset
, GLintptr writeOffset
,
155 GLsizeiptr size
, const char *func
);
158 _mesa_map_buffer_range(struct gl_context
*ctx
,
159 struct gl_buffer_object
*bufObj
,
160 GLintptr offset
, GLsizeiptr length
,
161 GLbitfield access
, const char *func
);
164 _mesa_flush_mapped_buffer_range(struct gl_context
*ctx
,
165 struct gl_buffer_object
*bufObj
,
166 GLintptr offset
, GLsizeiptr length
,
170 _mesa_ClearBufferSubData_sw(struct gl_context
*ctx
,
171 GLintptr offset
, GLsizeiptr size
,
172 const GLvoid
*clearValue
,
173 GLsizeiptr clearValueSize
,
174 struct gl_buffer_object
*bufObj
);
177 _mesa_clear_buffer_sub_data(struct gl_context
*ctx
,
178 struct gl_buffer_object
*bufObj
,
179 GLenum internalformat
,
180 GLintptr offset
, GLsizeiptr size
,
181 GLenum format
, GLenum type
,
183 const char *func
, bool subdata
);
186 _mesa_unmap_buffer(struct gl_context
*ctx
, struct gl_buffer_object
*bufObj
,
193 _mesa_BindBuffer(GLenum target
, GLuint buffer
);
196 _mesa_DeleteBuffers(GLsizei n
, const GLuint
* buffer
);
199 _mesa_GenBuffers(GLsizei n
, GLuint
*buffers
);
202 _mesa_CreateBuffers(GLsizei n
, GLuint
*buffers
);
205 _mesa_IsBuffer(GLuint buffer
);
208 _mesa_BufferStorage(GLenum target
, GLsizeiptr size
, const GLvoid
*data
,
212 _mesa_NamedBufferStorage(GLuint buffer
, GLsizeiptr size
, const GLvoid
*data
,
216 _mesa_BufferData(GLenum target
, GLsizeiptr size
,
217 const GLvoid
*data
, GLenum usage
);
220 _mesa_NamedBufferData(GLuint buffer
, GLsizeiptr size
,
221 const GLvoid
*data
, GLenum usage
);
224 _mesa_BufferSubData(GLenum target
, GLintptr offset
,
225 GLsizeiptr size
, const GLvoid
*data
);
228 _mesa_NamedBufferSubData(GLuint buffer
, GLintptr offset
,
229 GLsizeiptr size
, const GLvoid
*data
);
232 _mesa_GetBufferSubData(GLenum target
, GLintptr offset
,
233 GLsizeiptr size
, GLvoid
*data
);
236 _mesa_GetNamedBufferSubData(GLuint buffer
, GLintptr offset
,
237 GLsizeiptr size
, GLvoid
*data
);
240 _mesa_ClearBufferData(GLenum target
, GLenum internalformat
,
241 GLenum format
, GLenum type
,
245 _mesa_ClearNamedBufferData(GLuint buffer
, GLenum internalformat
,
246 GLenum format
, GLenum type
,
250 _mesa_ClearBufferSubData(GLenum target
, GLenum internalformat
,
251 GLintptr offset
, GLsizeiptr size
,
252 GLenum format
, GLenum type
,
256 _mesa_ClearNamedBufferSubData(GLuint buffer
, GLenum internalformat
,
257 GLintptr offset
, GLsizeiptr size
,
258 GLenum format
, GLenum type
,
262 _mesa_UnmapBuffer(GLenum target
);
265 _mesa_UnmapNamedBuffer(GLuint buffer
);
268 _mesa_GetBufferParameteriv(GLenum target
, GLenum pname
, GLint
*params
);
271 _mesa_GetBufferParameteri64v(GLenum target
, GLenum pname
, GLint64
*params
);
274 _mesa_GetNamedBufferParameteriv(GLuint buffer
, GLenum pname
, GLint
*params
);
277 _mesa_GetNamedBufferParameteri64v(GLuint buffer
, GLenum pname
,
281 _mesa_GetBufferPointerv(GLenum target
, GLenum pname
, GLvoid
**params
);
284 _mesa_GetNamedBufferPointerv(GLuint buffer
, GLenum pname
, GLvoid
**params
);
288 _mesa_CopyBufferSubData(GLenum readTarget
, GLenum writeTarget
,
289 GLintptr readOffset
, GLintptr writeOffset
,
293 _mesa_CopyNamedBufferSubData(GLuint readBuffer
, GLuint writeBuffer
,
294 GLintptr readOffset
, GLintptr writeOffset
,
298 _mesa_MapBufferRange(GLenum target
, GLintptr offset
, GLsizeiptr length
,
302 _mesa_MapNamedBufferRange(GLuint buffer
, GLintptr offset
, GLsizeiptr length
,
306 _mesa_MapBuffer(GLenum target
, GLenum access
);
309 _mesa_MapNamedBuffer(GLuint buffer
, GLenum access
);
313 _mesa_FlushMappedBufferRange(GLenum target
,
314 GLintptr offset
, GLsizeiptr length
);
317 _mesa_FlushMappedNamedBufferRange(GLuint buffer
, GLintptr offset
,
321 _mesa_BindBufferRange(GLenum target
, GLuint index
,
322 GLuint buffer
, GLintptr offset
, GLsizeiptr size
);
325 _mesa_BindBufferBase(GLenum target
, GLuint index
, GLuint buffer
);
328 _mesa_BindBuffersRange(GLenum target
, GLuint first
, GLsizei count
,
329 const GLuint
*buffers
,
330 const GLintptr
*offsets
, const GLsizeiptr
*sizes
);
332 _mesa_BindBuffersBase(GLenum target
, GLuint first
, GLsizei count
,
333 const GLuint
*buffers
);
335 _mesa_InvalidateBufferSubData(GLuint buffer
, GLintptr offset
,
339 _mesa_InvalidateBufferData(GLuint buffer
);