c68291ab919de3b9170a64dae3886c600c7019aa
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.
40 /** Is the given buffer object currently mapped? */
41 static INLINE GLboolean
42 _mesa_bufferobj_mapped(struct gl_buffer_object
*obj
)
44 return obj
->Pointer
!= NULL
;
48 * Is the given buffer object a user-created buffer object?
49 * Mesa uses default buffer objects in several places. Default buffers
50 * always have Name==0. User created buffers have Name!=0.
52 static INLINE GLboolean
53 _mesa_is_bufferobj(struct gl_buffer_object
*obj
)
55 return obj
->Name
!= 0;
60 _mesa_init_buffer_objects( GLcontext
*ctx
);
63 _mesa_update_default_objects_buffer_objects(GLcontext
*ctx
);
66 extern struct gl_buffer_object
*
67 _mesa_lookup_bufferobj(GLcontext
*ctx
, GLuint buffer
);
70 _mesa_initialize_buffer_object( struct gl_buffer_object
*obj
,
71 GLuint name
, GLenum target
);
74 _mesa_reference_buffer_object(GLcontext
*ctx
,
75 struct gl_buffer_object
**ptr
,
76 struct gl_buffer_object
*bufObj
);
79 _mesa_validate_pbo_access(GLuint dimensions
,
80 const struct gl_pixelstore_attrib
*pack
,
81 GLsizei width
, GLsizei height
, GLsizei depth
,
82 GLenum format
, GLenum type
, const GLvoid
*ptr
);
84 extern const GLubyte
*
85 _mesa_map_bitmap_pbo(GLcontext
*ctx
,
86 const struct gl_pixelstore_attrib
*unpack
,
87 const GLubyte
*bitmap
);
90 _mesa_unmap_bitmap_pbo(GLcontext
*ctx
,
91 const struct gl_pixelstore_attrib
*unpack
);
94 _mesa_map_drawpix_pbo(GLcontext
*ctx
,
95 const struct gl_pixelstore_attrib
*unpack
,
96 const GLvoid
*pixels
);
99 _mesa_unmap_drawpix_pbo(GLcontext
*ctx
,
100 const struct gl_pixelstore_attrib
*unpack
);
103 _mesa_map_readpix_pbo(GLcontext
*ctx
,
104 const struct gl_pixelstore_attrib
*pack
,
108 _mesa_unmap_readpix_pbo(GLcontext
*ctx
,
109 const struct gl_pixelstore_attrib
*pack
);
113 _mesa_init_buffer_object_functions(struct dd_function_table
*driver
);
120 extern void GLAPIENTRY
121 _mesa_BindBufferARB(GLenum target
, GLuint buffer
);
123 extern void GLAPIENTRY
124 _mesa_DeleteBuffersARB(GLsizei n
, const GLuint
* buffer
);
126 extern void GLAPIENTRY
127 _mesa_GenBuffersARB(GLsizei n
, GLuint
* buffer
);
129 extern GLboolean GLAPIENTRY
130 _mesa_IsBufferARB(GLuint buffer
);
132 extern void GLAPIENTRY
133 _mesa_BufferDataARB(GLenum target
, GLsizeiptrARB size
, const GLvoid
* data
, GLenum usage
);
135 extern void GLAPIENTRY
136 _mesa_BufferSubDataARB(GLenum target
, GLintptrARB offset
, GLsizeiptrARB size
, const GLvoid
* data
);
138 extern void GLAPIENTRY
139 _mesa_GetBufferSubDataARB(GLenum target
, GLintptrARB offset
, GLsizeiptrARB size
, void * data
);
141 extern void * GLAPIENTRY
142 _mesa_MapBufferARB(GLenum target
, GLenum access
);
144 extern GLboolean GLAPIENTRY
145 _mesa_UnmapBufferARB(GLenum target
);
147 extern void GLAPIENTRY
148 _mesa_GetBufferParameterivARB(GLenum target
, GLenum pname
, GLint
*params
);
150 extern void GLAPIENTRY
151 _mesa_GetBufferPointervARB(GLenum target
, GLenum pname
, GLvoid
**params
);
153 extern void GLAPIENTRY
154 _mesa_CopyBufferSubData(GLenum readTarget
, GLenum writeTarget
,
155 GLintptr readOffset
, GLintptr writeOffset
,
158 extern void * GLAPIENTRY
159 _mesa_MapBufferRange(GLenum target
, GLintptr offset
, GLsizeiptr length
,
162 extern void GLAPIENTRY
163 _mesa_FlushMappedBufferRange(GLenum target
, GLintptr offset
, GLsizeiptr length
);