text: /* $Id: swar.c,v 1.2 2007/03/04 14:44:53 soyt Exp $
  ******************************************************************************
  
     LibGGI SWAR support.
  
     Copyright (C) 1997 Jason McMullan		[jmcc@ggi-project.org]
     Copyright (C) 1998-2000 Marcus Sundberg	[marcus@ggi-project.org]
     Copyright (C) 2005 Christoph Egger
    
     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
     THE AUTHOR(S) 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.
  
  ******************************************************************************
  */
  
  #include "config.h"
  #include <ggi/internal/ggi.h>
  #include <ggi/internal/ggi_debug.h>
  #include <ggi/gg.h>
  
  #include "swar.h"
  
  
  static gg_swartype     swars_selected    = 0;
  
  
  gg_swartype _ggiGetSwarType(void)
  {
  	return (swars_selected & ggGetSwarType());
  }
  
  
  int _ggiSwarInit(void)
  {
  #ifdef DO_SWAR_NONE
  	swars_selected |= GG_SWAR_NONE;
  #endif
  #ifdef DO_SWAR_32BITC
  	swars_selected |= GG_SWAR_32BITC;
  #endif
  #ifdef DO_SWAR_64BITC
  	swars_selected |= GG_SWAR_64BITC;
  #endif
  #ifdef DO_SWAR_ALTIVEC
  	swars_selected |= GG_SWAR_ALTIVEC;
  #endif
  #ifdef DO_SWAR_SSE2
  	swars_selected |= GG_SWAR_SSE2;
  #endif
  #ifdef DO_SWAR_SSE
  	swars_selected |= GG_SWAR_SSE;
  #endif
  #ifdef DO_SWAR_MMX
  	swars_selected |= GG_SWAR_MMX;
  #endif
  #ifdef DO_SWAR_MMXPLUS
  	swars_selected |= GG_SWAR_MMXPLUS;
  #endif
  #ifdef DO_SWAR_3DNOW
  	swars_selected |= GG_SWAR_3DNOW;
  #endif
  #ifdef DO_SWAR_ADV3DNOW
  	swars_selected |= GG_SWAR_ADV3DNOW;
  #endif
  #ifdef DO_SWAR_MVI
  	swars_selected |= GG_SWAR_MVI;
  #endif
  #ifdef DO_SWAR_MAX
  	swars_selected |= GG_SWAR_MAX;
  #endif
  #ifdef DO_SWAR_MAX2
  	swars_selected |= GG_SWAR_MAX2;
  #endif
  #ifdef DO_SWAR_SIGD
  	swars_selected |= GG_SWAR_SIGD;
  #endif
  #ifdef DO_SWAR_MDMX
  	swars_selected |= GG_SWAR_MDMX;
  #endif
  #ifdef DO_SWAR_VIS
  	swars_selected |= GG_SWAR_VIS;
  #endif
  #ifdef DO_SWAR_MAJC
  	swars_selected |= GG_SWAR_MAJC;
  #endif
  	/* TODO: disable SWARs with environment variable */
  
  	if (!swars_selected) {
  		fprintf(stderr, 
  			"LibGGI: No SWARs selected.  Need at least one.\n");
  		return GGI_ENOFUNC;
  	}
  
  	return GGI_OK;
  }
  