6 /* TODO: MMX optimization */
8 void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
10 uint32_t *dest = (uint32_t *)dst;
17 rgb0 = *(uint32_t *)s;
18 *dest++ = rgb0 & 0xFFFFFFUL;
23 void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
38 /* Original by Strepto/Astral
39 ported to gcc & bugfixed : A'rpi */
40 void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size)
43 static uint64_t mask_b = 0x001F001F001F001FLL; // 00000000 00011111 xxB
44 static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000 RGx
45 register char* s=src+src_size;
46 register char* d=dst+src_size;
47 register int offs=-src_size;
48 movq_m2r (mask_b, mm4);
49 movq_m2r (mask_rg, mm5);
51 movq_m2r (*(s+offs), mm0);
54 movq_m2r (*(s+8+offs), mm2);
67 movq_r2m (mm0,*(d+offs));
70 movq_r2m (mm2,*(d+8+offs));
76 uint16_t *s1=( uint16_t * )src;
77 uint16_t *d1=( uint16_t * )dst;
78 uint16_t *e=((uint8_t *)s1)+src_size;
80 register int x=*( s1++ );
83 0111 1111 1110 0000=0x7FE0
84 00000000000001 1111=0x001F */
85 *( d1++ )=( x&0x001F )|( ( x&0x7FE0 )<<1 );