Merge commit 'origin/master' into gallium-0.2
[mesa.git] / src / gallium / auxiliary / rtasm / rtasm_cpu.c
1 /**************************************************************************
2 *
3 * Copyright 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 #include "pipe/p_debug.h"
30 #include "rtasm_cpu.h"
31
32
33 static boolean rtasm_sse_enabled(void)
34 {
35 static boolean firsttime = 1;
36 static boolean enabled;
37
38 /* This gets called quite often at the moment:
39 */
40 if (firsttime) {
41 enabled = !debug_get_bool_option("GALLIUM_NOSSE", FALSE);
42 firsttime = FALSE;
43 }
44 return enabled;
45 }
46
47 int rtasm_cpu_has_sse(void)
48 {
49 /* FIXME: actually detect this at run-time */
50 #if defined(PIPE_ARCH_X86)
51 return rtasm_sse_enabled();
52 #else
53 return 0;
54 #endif
55 }
56
57 int rtasm_cpu_has_sse2(void)
58 {
59 /* FIXME: actually detect this at run-time */
60 #if defined(PIPE_ARCH_X86)
61 return rtasm_sse_enabled();
62 #else
63 return 0;
64 #endif
65 }