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 "util/list.h"
41#include "gallivm/lp_bld.h"
42#include "gallivm/lp_bld_misc.h"
43
44struct sw_winsys;
45struct lp_cs_tpool;
46
47struct llvmpipe_screen
48{
49   struct pipe_screen base;
50
51   struct sw_winsys *winsys;
52
53   unsigned num_threads;
54
55   /* Increments whenever textures are modified.  Contexts can track this.
56    */
57   unsigned timestamp;
58
59   struct lp_rasterizer *rast;
60   mtx_t rast_mutex;
61
62   struct lp_cs_tpool *cs_tpool;
63   mtx_t cs_mutex;
64
65   bool use_tgsi;
66   bool allow_cl;
67
68   mtx_t late_mutex;
69   bool late_init_done;
70
71   mtx_t ctx_mutex;
72   struct list_head ctx_list;
73
74   char renderer_string[100];
75
76   struct disk_cache *disk_shader_cache;
77   unsigned num_disk_shader_cache_hits;
78   unsigned num_disk_shader_cache_misses;
79};
80
81void lp_disk_cache_find_shader(struct llvmpipe_screen *screen,
82                               struct lp_cached_code *cache,
83                               unsigned char ir_sha1_cache_key[20]);
84void lp_disk_cache_insert_shader(struct llvmpipe_screen *screen,
85                                 struct lp_cached_code *cache,
86                                 unsigned char ir_sha1_cache_key[20]);
87
88bool llvmpipe_screen_late_init(struct llvmpipe_screen *screen);
89
90static inline struct llvmpipe_screen *
91llvmpipe_screen( struct pipe_screen *pipe )
92{
93   return (struct llvmpipe_screen *)pipe;
94}
95
96static inline unsigned lp_get_constant_buffer_stride(struct pipe_screen *_screen)
97{
98   struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
99   return screen->use_tgsi ? (sizeof(float) * 4) : sizeof(float);
100}
101
102#endif /* LP_SCREEN_H */
103