1 /*
2  * mesa 3-D graphics library
3  *
4  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 /**
26  * \brief VBO builder module datatypes and definitions.
27  * \author Keith Whitwell
28  */
29 
30 
31 /**
32  * \mainpage The TNL splitter
33  *
34  * This is the private data used internally to the _tnl_split_prims()
35  * helper function.  Nobody outside the _tnl_split* files needs to
36  * include or know about this structure.
37  */
38 
39 
40 #ifndef _TNL_SPLIT_H
41 #define _TNL_SPLIT_H
42 
43 #include "tnl.h"
44 
45 
46 /* True if a primitive can be split without copying of vertices, false
47  * otherwise.
48  */
49 GLboolean
50 _tnl_split_prim_inplace(GLenum mode, GLuint *first, GLuint *incr);
51 
52 void
53 _tnl_split_inplace(struct gl_context *ctx,
54                    const struct tnl_vertex_array arrays[],
55                    const struct _mesa_prim *prim,
56                    GLuint nr_prims,
57                    const struct _mesa_index_buffer *ib,
58                    GLuint num_instances,
59                    GLuint base_instance,
60                    tnl_draw_func draw,
61                    const struct split_limits *limits);
62 
63 /* Requires ib != NULL:
64  */
65 void
66 _tnl_split_copy(struct gl_context *ctx,
67                 const struct tnl_vertex_array arrays[],
68                 const struct _mesa_prim *prim,
69                 GLuint nr_prims,
70                 const struct _mesa_index_buffer *ib,
71                 tnl_draw_func draw,
72                 const struct split_limits *limits);
73 
74 #endif
75