mirror of https://git.ffmpeg.org/ffmpeg.git
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* Copyright (c) 2002 Brian Foley
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* Copyright (c) 2002 Dieter Shirley
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "../dsputil.h"
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#ifdef HAVE_ALTIVEC
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#include "dsputil_altivec.h"
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#endif
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int mm_flags = 0;
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int mm_support(void)
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{
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int result = 0;
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#if HAVE_ALTIVEC
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if (has_altivec()) {
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result |= MM_ALTIVEC;
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}
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#endif /* result */
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return result;
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}
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void dsputil_init_ppc(DSPContext* c, unsigned mask)
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{
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// Common optimisations whether Altivec or not
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// ... pending ...
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#if HAVE_ALTIVEC
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if (has_altivec()) {
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mm_flags |= MM_ALTIVEC;
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// Altivec specific optimisations
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c->pix_abs16x16_x2 = pix_abs16x16_x2_altivec;
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c->pix_abs16x16_y2 = pix_abs16x16_y2_altivec;
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c->pix_abs16x16_xy2 = pix_abs16x16_xy2_altivec;
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c->pix_abs16x16 = pix_abs16x16_altivec;
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c->pix_abs8x8 = pix_abs8x8_altivec;
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c->sad[0]= sad16x16_altivec;
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c->sad[1]= sad8x8_altivec;
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c->pix_norm1 = pix_norm1_altivec;
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c->sse[1]= sse8_altivec;
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c->sse[0]= sse16_altivec;
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c->pix_sum = pix_sum_altivec;
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c->diff_pixels = diff_pixels_altivec;
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c->get_pixels = get_pixels_altivec;
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// next one disabled as it it untested.
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#if 0
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c->add_bytes= add_bytes_altivec;
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#endif
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c->gmc1 = gmc1_altivec;
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} else
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#endif
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{
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// Non-AltiVec PPC optimisations
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// ... pending ...
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}
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}
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