src/gallium/auxiliary/rtasm/rtasm_cpu.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  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.
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  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 }