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/* $Id: common_x86.c,v 1.6 2000/01/25 17:04:47 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.3
*
* Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Check CPU capabilities & initialize optimized funtions for this particular
* processor.
*
* Written by Holger Waechtler <holger@akaflieg.extern.tu-berlin.de>
* Changed by Andre Werthmann <wertmann@cs.uni-potsdam.de> for using the
* new Katmai functions
*/
#include <stdlib.h>
#include <stdio.h>
#include "common_x86asm.h"
int gl_x86_cpu_features = 0;
static void message(const char *msg)
{
if (getenv("MESA_DEBUG"))
fprintf(stderr, "%s\n", msg);
}
void gl_init_all_x86_asm (void)
{
#ifdef USE_X86_ASM
gl_x86_cpu_features = gl_identify_x86_cpu_features ();
gl_x86_cpu_features |= GL_CPU_AnyX86;
if (getenv("MESA_NO_ASM") != 0)
gl_x86_cpu_features = 0;
if (gl_x86_cpu_features & GL_CPU_GenuineIntel) {
message("GenuineIntel cpu detected.");
}
if (gl_x86_cpu_features) {
gl_init_x86_asm_transforms ();
}
#ifdef USE_MMX_ASM
if (gl_x86_cpu_features & GL_CPU_MMX) {
char *s = getenv( "MESA_NO_MMX" );
if (s == NULL) {
message("MMX cpu detected.");
} else {
gl_x86_cpu_features &= (~GL_CPU_MMX);
}
}
#endif
#ifdef USE_3DNOW_ASM
if (gl_x86_cpu_features & GL_CPU_3Dnow) {
char *s = getenv( "MESA_NO_3DNOW" );
if (s == NULL) {
message("3Dnow cpu detected.");
gl_init_3dnow_asm_transforms ();
} else {
gl_x86_cpu_features &= (~GL_CPU_3Dnow);
}
}
#endif
#ifdef USE_KATMAI_ASM
if (gl_x86_cpu_features & GL_CPU_Katmai) {
char *s = getenv( "MESA_NO_KATMAI" );
if (s == NULL) {
message("Katmai cpu detected.");
gl_init_katmai_asm_transforms ();
} else {
gl_x86_cpu_features &= (~GL_CPU_Katmai);
}
}
#endif
#endif
}
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