mirror of
https://github.com/mpv-player/mpv
synced 2024-12-28 06:03:45 +01:00
43 lines
906 B
C
43 lines
906 B
C
// Original by Strepto/Astral
|
|
// ported to gcc & bugfixed : A'rpi
|
|
|
|
#include <inttypes.h>
|
|
//#include "attributes.h"
|
|
#include "mmx.h"
|
|
|
|
void rgb15to16_mmx(char* s0,char* d0,int count){
|
|
static uint64_t mask_b = 0x001F001F001F001FLL; // 00000000 00011111 xxB
|
|
static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000 RGx
|
|
register char* s=s0+count;
|
|
register char* d=d0+count;
|
|
register int offs=-count;
|
|
movq_m2r (mask_b, mm4);
|
|
movq_m2r (mask_rg, mm5);
|
|
while(offs<0){
|
|
movq_m2r (*(s+offs), mm0);
|
|
movq_r2r (mm0, mm1);
|
|
|
|
movq_m2r (*(s+8+offs), mm2);
|
|
movq_r2r (mm2, mm3);
|
|
|
|
pand_r2r (mm4, mm0);
|
|
pand_r2r (mm5, mm1);
|
|
|
|
psllq_i2r(1,mm1);
|
|
pand_r2r (mm4, mm2);
|
|
|
|
pand_r2r (mm5, mm3);
|
|
por_r2r (mm1, mm0);
|
|
|
|
psllq_i2r(1,mm3);
|
|
movq_r2m (mm0,*(d+offs));
|
|
|
|
por_r2r (mm3,mm2);
|
|
movq_r2m (mm2,*(d+8+offs));
|
|
|
|
offs+=16;
|
|
}
|
|
emms();
|
|
}
|
|
|