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
,
79 struct gl_buffer_object
**buf_handle
,
83 _mesa_update_default_objects_buffer_objects(struct gl_context
*ctx
);
86 extern struct gl_buffer_object
*
87 _mesa_lookup_bufferobj(struct gl_context
*ctx
, GLuint buffer
);
89 extern struct gl_buffer_object
*
90 _mesa_lookup_bufferobj_locked(struct gl_context
*ctx
, GLuint buffer
);
93 _mesa_begin_bufferobj_lookups(struct gl_context
*ctx
);
96 _mesa_end_bufferobj_lookups(struct gl_context
*ctx
);
98 extern struct gl_buffer_object
*
99 _mesa_multi_bind_lookup_bufferobj(struct gl_context
*ctx
,
100 const GLuint
*buffers
,
101 GLuint index
, const char *caller
);
104 _mesa_initialize_buffer_object(struct gl_context
*ctx
,
105 struct gl_buffer_object
*obj
,
106 GLuint name
, GLenum target
);
109 _mesa_reference_buffer_object_(struct gl_context
*ctx
,
110 struct gl_buffer_object
**ptr
,
111 struct gl_buffer_object
*bufObj
);
114 _mesa_reference_buffer_object(struct gl_context
*ctx
,
115 struct gl_buffer_object
**ptr
,
116 struct gl_buffer_object
*bufObj
)
119 _mesa_reference_buffer_object_(ctx
, ptr
, bufObj
);
123 _mesa_total_buffer_object_memory(struct gl_context
*ctx
);
126 _mesa_init_buffer_object_functions(struct dd_function_table
*driver
);
129 _mesa_buffer_unmap_all_mappings(struct gl_context
*ctx
,
130 struct gl_buffer_object
*bufObj
);
133 _mesa_buffer_clear_subdata(struct gl_context
*ctx
,
134 GLintptr offset
, GLsizeiptr size
,
135 const GLvoid
*clearValue
,
136 GLsizeiptr clearValueSize
,
137 struct gl_buffer_object
*bufObj
);
143 _mesa_BindBuffer(GLenum target
, GLuint buffer
);
146 _mesa_DeleteBuffers(GLsizei n
, const GLuint
* buffer
);
149 _mesa_GenBuffers(GLsizei n
, GLuint
* buffer
);
152 _mesa_IsBuffer(GLuint buffer
);
155 _mesa_BufferStorage(GLenum target
, GLsizeiptr size
, const GLvoid
*data
,
159 _mesa_BufferData(GLenum target
, GLsizeiptrARB size
,
160 const GLvoid
* data
, GLenum usage
);
163 _mesa_BufferSubData(GLenum target
, GLintptrARB offset
,
164 GLsizeiptrARB size
, const GLvoid
* data
);
167 _mesa_GetBufferSubData(GLenum target
, GLintptrARB offset
,
168 GLsizeiptrARB size
, void * data
);
171 _mesa_ClearBufferData(GLenum target
, GLenum internalformat
,
172 GLenum format
, GLenum type
,
173 const GLvoid
* data
);
176 _mesa_ClearBufferSubData(GLenum target
, GLenum internalformat
,
177 GLintptr offset
, GLsizeiptr size
,
178 GLenum format
, GLenum type
,
179 const GLvoid
* data
);
182 _mesa_MapBuffer(GLenum target
, GLenum access
);
185 _mesa_UnmapBuffer(GLenum target
);
188 _mesa_GetBufferParameteriv(GLenum target
, GLenum pname
, GLint
*params
);
191 _mesa_GetBufferParameteri64v(GLenum target
, GLenum pname
, GLint64
*params
);
194 _mesa_GetBufferPointerv(GLenum target
, GLenum pname
, GLvoid
**params
);
197 _mesa_CopyBufferSubData(GLenum readTarget
, GLenum writeTarget
,
198 GLintptr readOffset
, GLintptr writeOffset
,
202 _mesa_MapBufferRange(GLenum target
, GLintptr offset
, GLsizeiptr length
,
206 _mesa_FlushMappedBufferRange(GLenum target
,
207 GLintptr offset
, GLsizeiptr length
);
210 _mesa_ObjectPurgeableAPPLE(GLenum objectType
, GLuint name
, GLenum option
);
213 _mesa_ObjectUnpurgeableAPPLE(GLenum objectType
, GLuint name
, GLenum option
);
216 _mesa_GetObjectParameterivAPPLE(GLenum objectType
, GLuint name
,
217 GLenum pname
, GLint
* params
);
220 _mesa_BindBufferRange(GLenum target
, GLuint index
,
221 GLuint buffer
, GLintptr offset
, GLsizeiptr size
);
224 _mesa_BindBufferBase(GLenum target
, GLuint index
, GLuint buffer
);
227 _mesa_BindBuffersRange(GLenum target
, GLuint first
, GLsizei count
,
228 const GLuint
*buffers
,
229 const GLintptr
*offsets
, const GLsizeiptr
*sizes
);
231 _mesa_BindBuffersBase(GLenum target
, GLuint first
, GLsizei count
,
232 const GLuint
*buffers
);
234 _mesa_InvalidateBufferSubData(GLuint buffer
, GLintptr offset
,
238 _mesa_InvalidateBufferData(GLuint buffer
);