00001 /************************************************************************** 00002 * 00003 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 00004 * All Rights Reserved. 00005 * 00006 * Permission is hereby granted, free of charge, to any person obtaining a 00007 * copy of this software and associated documentation files (the 00008 * "Software"), to deal in the Software without restriction, including 00009 * without limitation the rights to use, copy, modify, merge, publish, 00010 * distribute, sub license, and/or sell copies of the Software, and to 00011 * permit persons to whom the Software is furnished to do so, subject to 00012 * the following conditions: 00013 * 00014 * The above copyright notice and this permission notice (including the 00015 * next paragraph) shall be included in all copies or substantial portions 00016 * of the Software. 00017 * 00018 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 00019 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00020 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 00021 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 00022 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 00023 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 00024 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00025 * 00026 **************************************************************************/ 00027 00028 00029 #include "pipe/p_debug.h" 00030 #include "rtasm_cpu.h" 00031 00032 00033 #if defined(PIPE_ARCH_X86) 00034 static boolean rtasm_sse_enabled(void) 00035 { 00036 static boolean firsttime = 1; 00037 static boolean enabled; 00038 00039 /* This gets called quite often at the moment: 00040 */ 00041 if (firsttime) { 00042 enabled = !debug_get_bool_option("GALLIUM_NOSSE", FALSE); 00043 firsttime = FALSE; 00044 } 00045 return enabled; 00046 } 00047 #endif 00048 00049 int rtasm_cpu_has_sse(void) 00050 { 00051 /* FIXME: actually detect this at run-time */ 00052 #if defined(PIPE_ARCH_X86) 00053 return rtasm_sse_enabled(); 00054 #else 00055 return 0; 00056 #endif 00057 } 00058 00059 int rtasm_cpu_has_sse2(void) 00060 { 00061 /* FIXME: actually detect this at run-time */ 00062 #if defined(PIPE_ARCH_X86) 00063 return rtasm_sse_enabled(); 00064 #else 00065 return 0; 00066 #endif 00067 }