1 /**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * Copyright 2007 VMware, Inc.
5 * 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
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29 /**
30 * @author Jose Fonseca <jfonseca@vmware.com>
31 * @author Keith Whitwell <keithw@vmware.com>
32 */
33
34 #ifndef LP_SCREEN_H
35 #define LP_SCREEN_H
36
37 #include "pipe/p_screen.h"
38 #include "pipe/p_defines.h"
39 #include "os/os_thread.h"
40 #include "gallivm/lp_bld.h"
41 #include "gallivm/lp_bld_misc.h"
42
43 struct sw_winsys;
44 struct lp_cs_tpool;
45
46 struct llvmpipe_screen
47 {
48 struct pipe_screen base;
49
50 struct sw_winsys *winsys;
51
52 unsigned num_threads;
53
54 /* Increments whenever textures are modified. Contexts can track this.
55 */
56 unsigned timestamp;
57
58 struct lp_rasterizer *rast;
59 mtx_t rast_mutex;
60
61 struct lp_cs_tpool *cs_tpool;
62 mtx_t cs_mutex;
63
64 bool use_tgsi;
65 bool allow_cl;
66
67 struct disk_cache *disk_shader_cache;
68 unsigned num_disk_shader_cache_hits;
69 unsigned num_disk_shader_cache_misses;
70 };
71
72 void lp_disk_cache_find_shader(struct llvmpipe_screen *screen,
73 struct lp_cached_code *cache,
74 unsigned char ir_sha1_cache_key[20]);
75 void lp_disk_cache_insert_shader(struct llvmpipe_screen *screen,
76 struct lp_cached_code *cache,
77 unsigned char ir_sha1_cache_key[20]);
78
79
80 static inline struct llvmpipe_screen *
llvmpipe_screen(struct pipe_screen * pipe)81 llvmpipe_screen( struct pipe_screen *pipe )
82 {
83 return (struct llvmpipe_screen *)pipe;
84 }
85
lp_get_constant_buffer_stride(struct pipe_screen * _screen)86 static inline unsigned lp_get_constant_buffer_stride(struct pipe_screen *_screen)
87 {
88 struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
89 return screen->use_tgsi ? (sizeof(float) * 4) : sizeof(float);
90 }
91
92 #endif /* LP_SCREEN_H */
93