static void gmc_mmx(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height){
const int w = 8;
- const int s = 1<<shift;
const int ix = ox>>(16+shift);
const int iy = oy>>(16+shift);
const int oxs = ox>>4;
return;
}
+ src += ix + iy*stride;
if( (unsigned)ix >= width-w ||
(unsigned)iy >= height-h )
{
- ff_emulated_edge_mc(edge_buf, src+ix+iy*stride, stride, w+1, h+1, ix, iy, width, height);
+ ff_emulated_edge_mc(edge_buf, src, stride, w+1, h+1, ix, iy, width, height);
src = edge_buf;
}
- else
- src += ix + iy*stride;
+
+ asm volatile(
+ "movd %0, %%mm6 \n\t"
+ "pxor %%mm7, %%mm7 \n\t"
+ "punpcklwd %%mm6, %%mm6 \n\t"
+ "punpcklwd %%mm6, %%mm6 \n\t"
+ :: "r"(1<<shift)
+ );
for(x=0; x<w; x+=4){
uint16_t dx4[4] = { oxs - dxys + dxxs*(x+0),
oys - dyys + dyxs*(x+2),
oys - dyys + dyxs*(x+3) };
- asm volatile(
- "movd %0, %%mm6 \n\t"
- "pxor %%mm7, %%mm7 \n\t"
- "punpcklwd %%mm6, %%mm6 \n\t"
- "punpcklwd %%mm6, %%mm6 \n\t"
- :: "g"(s)
- );
-
for(y=0; y<h; y++){
asm volatile(
"movq %0, %%mm4 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"pmullw %%mm5, %%mm1 \n\t" // src[1,0] * dx*(s-dy)
"pmullw %%mm4, %%mm0 \n\t" // src[0,0] * (s-dx)*(s-dy)
+ "paddw %5, %%mm1 \n\t"
"paddw %%mm3, %%mm2 \n\t"
"paddw %%mm1, %%mm0 \n\t"
"paddw %%mm2, %%mm0 \n\t"
- "paddw %5, %%mm0 \n\t"
"psrlw %6, %%mm0 \n\t"
"packuswb %%mm0, %%mm0 \n\t"