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Code Issues Releases Activity

gradfun: x86: Factor out common code for some gradfun_filter_line() variants

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This commit is contained in:
Diego Biurrun 2013-10-24 02:24:05 +02:00
parent ee80cf741a
commit ed1a11ed52
1 changed files with 13 additions and 16 deletions
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29
libavfilter/x86/vf_gradfun_init.c
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@ -42,13 +42,13 @@ void ff_gradfun_blur_line_movdqu_sse2(intptr_t x, uint16_t *buf,
uint8_t *src1, uint8_t *src2);
#if HAVE_YASM
static void gradfun_filter_line_mmxext(uint8_t *dst, uint8_t *src, uint16_t *dc,
int width, int thresh,
const uint16_t *dithers)
static void gradfun_filter_line(uint8_t *dst, uint8_t *src, uint16_t *dc,
int width, int thresh, const uint16_t *dithers,
int alignment)
{
intptr_t x;
if (width & 3) {
x = width & ~3;
if (width & alignment) {
x = width & ~alignment;
ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2,
width - x, thresh, dithers);
width = x;
@ -58,21 +58,18 @@ static void gradfun_filter_line_mmxext(uint8_t *dst, uint8_t *src, uint16_t *dc,
thresh, dithers);
}
static void gradfun_filter_line_mmxext(uint8_t *dst, uint8_t *src, uint16_t *dc,
int width, int thresh,
const uint16_t *dithers)
{
gradfun_filter_line(dst, src, dc, width, thresh, dithers, 3);
}
static void gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc,
int width, int thresh,
const uint16_t *dithers)
{
intptr_t x;
if (width & 7) {
// could be 10% faster if I somehow eliminated this
x = width & ~7;
ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2,
width - x, thresh, dithers);
width = x;
}
x = -width;
ff_gradfun_filter_line_ssse3(x, dst + width, src + width, dc + width / 2,
thresh, dithers);
gradfun_filter_line(dst, src, dc, width, thresh, dithers, 7);
}
static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1,