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/*
* PowerPC specific render optims live here
*/
#include "fitz_base.h"
#include "fitz_tree.h"
#include "fitz_draw.h"
typedef unsigned char byte;
#ifdef HAVE_ALTIVEC
static void srow1ppc(byte *src, byte *dst, int w, int denom)
{
int x, left;
int sum;
left = 0;
sum = 0;
for (x = 0; x < w; x++)
{
sum += *src++;
if (++left == denom)
{
left = 0;
*dst++ = sum / denom;
sum = 0;
}
}
if (left)
*dst++ = sum / left;
}
static void scol1ppc(byte *src, byte *dst, int w, int denom)
{
int x, y;
unsigned char *s;
int sum;
for (x = 0; x < w; x++)
{
s = src + x;
sum = 0;
for (y = 0; y < denom; y++)
sum += s[y * w];
*dst++ = sum / denom;
}
}
#endif /* HAVE_ALTIVEC */
#if defined (ARCH_PPC)
void
fz_accelerate(void)
{
# ifdef HAVE_ALTIVEC
if (fz_cpuflags & HAVE_ALTIVEC)
{
fz_srow1 = srow1ppc;
fz_scol1 = scol1ppc;
}
# endif
}
#endif
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