cso_context.h revision e5b19a0f833b5a3d5ffcf50d25a620d00bd8914b 
1/**************************************************************************
2 *
3 * Copyright 2007-2008 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
28
29#ifndef CSO_CONTEXT_H
30#define CSO_CONTEXT_H
31
32#include "pipe/p_context.h"
33#include "pipe/p_state.h"
34
35
36#ifdef	__cplusplus
37extern "C" {
38#endif
39
40struct cso_context;
41
42struct cso_context *cso_create_context( struct pipe_context *pipe );
43
44void cso_set_blend( struct cso_context *cso,
45                    const struct pipe_blend_state *blend );
46
47void cso_unset_blend(struct cso_context *cso);
48
49void cso_set_depth_stencil_alpha( struct cso_context *cso,
50                                  const struct pipe_depth_stencil_alpha_state *dsa );
51
52void cso_unset_depth_stencil_alpha( struct cso_context *cso );
53
54void cso_set_rasterizer( struct cso_context *cso,
55                         const struct pipe_rasterizer_state *rasterizer );
56
57void cso_unset_rasterizer( struct cso_context *cso );
58
59void cso_set_samplers( struct cso_context *cso,
60                       unsigned count,
61                       const struct pipe_sampler_state **states );
62
63void cso_unset_samplers( struct cso_context *cso );
64
65
66/* Alternate interface to support state trackers that like to modify
67 * samplers one at a time:
68 */
69void cso_single_sampler( struct cso_context *cso,
70                         unsigned nr,
71                         const struct pipe_sampler_state *states );
72
73void cso_single_sampler_done( struct cso_context *cso );
74
75
76/* These aren't really sensible -- most of the time the api provides
77 * object semantics for shaders anyway, and the cases where it doesn't
78 * (eg mesa's internall-generated texenv programs), it will be up to
79 * the state tracker to implement their own specialized caching.
80 */
81void cso_set_fragment_shader( struct cso_context *cso,
82                              const struct pipe_shader_state *shader );
83
84void cso_unset_fragment_shader( struct cso_context *cso );
85
86void cso_set_vertex_shader( struct cso_context *cso,
87                            const struct pipe_shader_state *shader );
88
89void cso_unset_vertex_shader( struct cso_context *cso );
90
91void cso_destroy_context( struct cso_context *cso );
92
93
94#ifdef	__cplusplus
95}
96#endif
97
98#endif
99