2 * mesa 3-D graphics library
5 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
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8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
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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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * \brief VBO builder module datatypes and definitions.
28 * \author Keith Whitwell
49 /* Would like to call this a "vbo_index_buffer", but this would be
50 * confusing as the indices are not neccessarily yet in a non-null
53 struct _mesa_index_buffer
{
56 struct gl_buffer_object
*obj
;
62 GLboolean
_vbo_CreateContext( GLcontext
*ctx
);
63 void _vbo_DestroyContext( GLcontext
*ctx
);
64 void _vbo_InvalidateState( GLcontext
*ctx
, GLuint new_state
);
67 typedef void (*vbo_draw_func
)( GLcontext
*ctx
,
68 const struct gl_client_array
**arrays
,
69 const struct _mesa_prim
*prims
,
71 const struct _mesa_index_buffer
*ib
,
78 /* Utility function to cope with various constraints on tnl modules or
79 * hardware. This can be used to split an incoming set of arrays and
80 * primitives against the following constraints:
81 * - Maximum number of indices in index buffer.
82 * - Maximum number of vertices referenced by index buffer.
83 * - Maximum hardware vertex buffer size.
88 GLuint max_vb_size
; /* bytes */
92 void vbo_split_prims( GLcontext
*ctx
,
93 const struct gl_client_array
*arrays
[],
94 const struct _mesa_prim
*prim
,
96 const struct _mesa_index_buffer
*ib
,
100 const struct split_limits
*limits
);
103 /* Helpers for dealing translating away non-zero min_index.
105 GLboolean
vbo_all_varyings_in_vbos( const struct gl_client_array
*arrays
[] );
107 void vbo_rebase_prims( GLcontext
*ctx
,
108 const struct gl_client_array
*arrays
[],
109 const struct _mesa_prim
*prim
,
111 const struct _mesa_index_buffer
*ib
,
114 vbo_draw_func draw
);