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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
68 lines
891 B
C
68 lines
891 B
C
/*
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* PowerPC specific render optims live here
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*/
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#include "fitz-base.h"
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#include "fitz-world.h"
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#include "fitz-draw.h"
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typedef unsigned char byte;
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#ifdef HAVE_ALTIVEC
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static void srow1ppc(byte *src, byte *dst, int w, int denom)
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{
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int x, left;
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int sum;
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left = 0;
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sum = 0;
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for (x = 0; x < w; x++)
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{
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sum += *src++;
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if (++left == denom)
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{
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left = 0;
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*dst++ = sum / denom;
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sum = 0;
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}
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}
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if (left)
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*dst++ = sum / left;
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}
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static void scol1ppc(byte *src, byte *dst, int w, int denom)
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{
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int x, y;
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unsigned char *s;
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int sum;
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for (x = 0; x < w; x++)
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{
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s = src + x;
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sum = 0;
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for (y = 0; y < denom; y++)
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sum += s[y * w];
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*dst++ = sum / denom;
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}
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}
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#endif /* HAVE_ALTIVEC */
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#if defined (ARCH_PPC)
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void
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fz_accelerate(void)
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{
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# ifdef HAVE_ALTIVEC
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if (fz_cpuflags & HAVE_ALTIVEC)
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{
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fz_srow1 = srow1ppc;
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fz_scol1 = scol1ppc;
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}
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# endif
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}
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#endif
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