r300g: fix a possible race when counting contexts
[mesa.git] / src / gallium / drivers / r300 / r300_screen.h
1 /*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23
24 #ifndef R300_SCREEN_H
25 #define R300_SCREEN_H
26
27 #include "pipe/p_screen.h"
28
29 #include "r300_chipset.h"
30
31 #include "util/u_slab.h"
32
33 #include <stdio.h>
34
35 struct r300_winsys_screen;
36
37 struct r300_screen {
38 /* Parent class */
39 struct pipe_screen screen;
40
41 struct r300_winsys_screen *rws;
42
43 /* Chipset capabilities */
44 struct r300_capabilities caps;
45
46 /* Memory pools. */
47 struct util_slab_mempool pool_buffers;
48
49 /** Combination of DBG_xxx flags */
50 unsigned debug;
51
52 /* The number of created contexts to know whether we have multiple
53 * contexts or not. */
54 int num_contexts;
55 pipe_mutex num_contexts_mutex;
56 };
57
58
59 /* Convenience cast wrappers. */
60 static INLINE struct r300_screen* r300_screen(struct pipe_screen* screen) {
61 return (struct r300_screen*)screen;
62 }
63
64 static INLINE struct r300_winsys_screen *
65 r300_winsys_screen(struct pipe_screen *screen) {
66 return r300_screen(screen)->rws;
67 }
68
69 /* Debug functionality. */
70
71 /**
72 * Debug flags to disable/enable certain groups of debugging outputs.
73 *
74 * \note These may be rather coarse, and the grouping may be impractical.
75 * If you find, while debugging the driver, that a different grouping
76 * of these flags would be beneficial, just feel free to change them
77 * but make sure to update the documentation in r300_debug.c to reflect
78 * those changes.
79 */
80 /*@{*/
81
82 /* Logging. */
83 #define DBG_PSC (1 << 0)
84 #define DBG_FP (1 << 1)
85 #define DBG_VP (1 << 2)
86 #define DBG_SWTCL (1 << 3)
87 #define DBG_DRAW (1 << 4)
88 #define DBG_TEX (1 << 5)
89 #define DBG_TEXALLOC (1 << 6)
90 #define DBG_RS (1 << 7)
91 #define DBG_FALL (1 << 8)
92 #define DBG_FB (1 << 9)
93 #define DBG_RS_BLOCK (1 << 10)
94 #define DBG_CBZB (1 << 11)
95 #define DBG_HYPERZ (1 << 12)
96 #define DBG_SCISSOR (1 << 13)
97 #define DBG_UPLOAD (1 << 14)
98 #define DBG_INFO (1 << 15)
99 /* Features. */
100 #define DBG_ANISOHQ (1 << 16)
101 #define DBG_NO_TILING (1 << 17)
102 #define DBG_NO_IMMD (1 << 18)
103 #define DBG_FAKE_OCC (1 << 19)
104 #define DBG_NO_OPT (1 << 20)
105 #define DBG_NO_CBZB (1 << 21)
106 #define DBG_NO_ZMASK (1 << 22)
107 #define DBG_NO_HIZ (1 << 23)
108 /* Statistics. */
109 #define DBG_P_STAT (1 << 25)
110 /*@}*/
111
112 static INLINE boolean SCREEN_DBG_ON(struct r300_screen * screen, unsigned flags)
113 {
114 return (screen->debug & flags) ? TRUE : FALSE;
115 }
116
117 static INLINE void SCREEN_DBG(struct r300_screen * screen, unsigned flags,
118 const char * fmt, ...)
119 {
120 if (SCREEN_DBG_ON(screen, flags)) {
121 va_list va;
122 va_start(va, fmt);
123 vfprintf(stderr, fmt, va);
124 va_end(va);
125 }
126 }
127
128 void r300_init_debug(struct r300_screen* ctx);
129
130 void r300_init_screen_resource_functions(struct r300_screen *r300screen);
131
132 #endif /* R300_SCREEN_H */