1/*
2 * mesa 3-D graphics library
3 * Version:  6.5
4 *
5 * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
6 *
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:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
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.
23 */
24
25/**
26 * \file vbo_context.h
27 * \brief VBO builder module datatypes and definitions.
28 * \author Keith Whitwell
29 */
30
31
32/**
33 * \mainpage The VBO splitter
34 *
35 * This is the private data used internally to the vbo_split_prims()
36 * helper function.  Nobody outside the vbo_split* files needs to
37 * include or know about this structure.
38 */
39
40
41#ifndef _VBO_SPLIT_H
42#define _VBO_SPLIT_H
43
44#include "vbo.h"
45
46
47/* True if a primitive can be split without copying of vertices, false
48 * otherwise.
49 */
50GLboolean split_prim_inplace(GLenum mode, GLuint *first, GLuint *incr);
51
52void vbo_split_inplace( struct gl_context *ctx,
53			const struct gl_client_array *arrays[],
54			const struct _mesa_prim *prim,
55			GLuint nr_prims,
56			const struct _mesa_index_buffer *ib,
57			GLuint min_index,
58			GLuint max_index,
59			vbo_draw_func draw,
60			const struct split_limits *limits );
61
62/* Requires ib != NULL:
63 */
64void vbo_split_copy( struct gl_context *ctx,
65		     const struct gl_client_array *arrays[],
66		     const struct _mesa_prim *prim,
67		     GLuint nr_prims,
68		     const struct _mesa_index_buffer *ib,
69		     vbo_draw_func draw,
70		     const struct split_limits *limits );
71
72#endif
73