llvmpipe: wip me harder
[mesa.git] / src / gallium / drivers / llvmpipe / lp_setup.h
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * 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
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27 #ifndef LP_SETUP_H
28 #define LP_SETUP_H
29
30
31 enum lp_interp {
32 LP_INTERP_CONSTANT,
33 LP_INTERP_LINEAR,
34 LP_INTERP_PERSPECTIVE,
35 LP_INTERP_POSITION,
36 LP_INTERP_FACING
37 };
38
39 struct setup_context;
40
41 struct setup_context *
42 lp_setup_create( void );
43
44 void
45 lp_setup_triangle(struct setup_context *setup,
46 const float (*v0)[4],
47 const float (*v1)[4],
48 const float (*v1)[4]);
49
50 void
51 lp_setup_line(struct setup_context *setup,
52 const float (*v0)[4],
53 const float (*v1)[4]);
54
55 void
56 lp_setup_point( struct setup_context *setup,
57 const float (*v0)[4] );
58
59 void
60 lp_setup_set_triangle_state( struct setup_context *setup,
61 unsigned cullmode,
62 boolean front_is_ccw );
63
64 void
65 lp_setup_set_fs_inputs( struct setup_context *setup,
66 const enum lp_interp *interp,
67 unsigned nr );
68
69 void
70 lp_setup_destroy( struct setup_context *setup );
71
72 #endif