hvirtual/quicktime/libavcodec/ppc/dsputil_ppc.c

   1 /*
   2  * Copyright (c) 2002 Brian Foley
   3  * Copyright (c) 2002 Dieter Shirley
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "../dsputil.h"
  21
  22 #ifdef HAVE_ALTIVEC
  23 #include "dsputil_altivec.h"
  24 #endif
  25
  26 int mm_flags = 0;
  27
  28 void dsputil_init_ppc(DSPContext* c, unsigned mask)
  29 {
  30     // Common optimisations whether Altivec or not
  31
  32     // ... pending ...
  33
  34 #if HAVE_ALTIVEC
  35     if (has_altivec()) {
  36         mm_flags |= MM_ALTIVEC;
  37
  38         // Altivec specific optimisations
  39         c->pix_abs16x16_x2 = pix_abs16x16_x2_altivec;
  40         c->pix_abs16x16_y2 = pix_abs16x16_y2_altivec;
  41         c->pix_abs16x16_xy2 = pix_abs16x16_xy2_altivec;
  42         c->pix_abs16x16 = pix_abs16x16_altivec;
  43         c->pix_abs8x8 = pix_abs8x8_altivec;
  44         c->pix_norm1 = pix_norm1_altivec;
  45         c->pix_norm = pix_norm_altivec;
  46         c->pix_sum = pix_sum_altivec;
  47         c->diff_pixels = diff_pixels_altivec;
  48         c->get_pixels = get_pixels_altivec;
  49     } else
  50 #endif
  51     {
  52         // Non-AltiVec PPC optimisations
  53
  54         // ... pending ...
  55     }
  56 }