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gradfun: purge MMXEXT

pull/127/head
Lyndon Brown 8 years ago
parent
commit
b2dc6a5685
  1. 10
      modules/video_filter/gradfun.c
  2. 50
      modules/video_filter/gradfun.h

10
modules/video_filter/gradfun.c

@ -71,11 +71,6 @@ vlc_module_end()
* Local prototypes
*****************************************************************************/
#define FFMAX(a,b) __MAX(a,b)
#ifdef CAN_COMPILE_MMXEXT
# define HAVE_MMX2 1
#else
# define HAVE_MMX2 0
#endif
#ifdef CAN_COMPILE_SSE2
# define HAVE_SSE2 1
#else
@ -145,11 +140,6 @@ static int Open(filter_t *filter)
if (vlc_CPU_SSSE3())
cfg->filter_line = filter_line_ssse3;
else
#endif
#if HAVE_MMX2
if (vlc_CPU_MMXEXT())
cfg->filter_line = filter_line_mmx2;
else
#endif
cfg->filter_line = filter_line_c;

50
modules/video_filter/gradfun.h

@ -77,56 +77,6 @@ static void blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
}
}
#if HAVE_MMX2
VLC_MMX
static void filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc,
int width, int thresh, const uint16_t *dithers)
{
intptr_t x;
if (width&3) {
x = width&~3;
filter_line_c(dst+x, src+x, dc+x/2, width-x, thresh, dithers);
width = x;
}
x = -width;
__asm__ volatile(
"movd %4, %%mm5 \n"
"pxor %%mm7, %%mm7 \n"
"pshufw $0, %%mm5, %%mm5 \n"
"movq %6, %%mm6 \n"
"movq %5, %%mm4 \n"
"1: \n"
"movd (%2,%0), %%mm0 \n"
"movd (%3,%0), %%mm1 \n"
"punpcklbw %%mm7, %%mm0 \n"
"punpcklwd %%mm1, %%mm1 \n"
"psllw $7, %%mm0 \n"
"pxor %%mm2, %%mm2 \n"
"psubw %%mm0, %%mm1 \n" // delta = dc - pix
"psubw %%mm1, %%mm2 \n"
"pmaxsw %%mm1, %%mm2 \n"
"pmulhuw %%mm5, %%mm2 \n" // m = abs(delta) * thresh >> 16
"psubw %%mm6, %%mm2 \n"
"pminsw %%mm7, %%mm2 \n" // m = -max(0, 127-m)
"pmullw %%mm2, %%mm2 \n"
"paddw %%mm4, %%mm0 \n" // pix += dither
"pmulhw %%mm2, %%mm1 \n"
"psllw $2, %%mm1 \n" // m = m*m*delta >> 14
"paddw %%mm1, %%mm0 \n" // pix += m
"psraw $7, %%mm0 \n"
"packuswb %%mm0, %%mm0 \n"
"movd %%mm0, (%1,%0) \n" // dst = clip(pix>>7)
"add $4, %0 \n"
"jl 1b \n"
"emms \n"
:"+r"(x)
:"r"(dst+width), "r"(src+width), "r"(dc+width/2),
"rm"(thresh), "m"(*dithers), "m"(*pw_7f)
:"mm0", "mm1", "mm2", "mm4", "mm5", "mm6", "memory"
);
}
#endif
#if HAVE_SSSE3
VLC_SSE
static void filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc,

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