rayzor
changeset 11:fe94d9e986ae
optimized 16bpp swap_buffers
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Thu, 10 Apr 2014 08:42:33 +0300 |
| parents | 235c8b764c0b |
| children | d94a69933a71 |
| files | src/main.cc |
| diffstat | 1 files changed, 5 insertions(+), 4 deletions(-) [+] |
line diff
1.1 --- a/src/main.cc Thu Apr 10 08:03:52 2014 +0300 1.2 +++ b/src/main.cc Thu Apr 10 08:42:33 2014 +0300 1.3 @@ -199,9 +199,9 @@ 1.4 (((g) << gshift) & gmask) | \ 1.5 (((b) << bshift) & bmask)) 1.6 1.7 -#define UNPACK_RED(c) ((c) & 0xff) 1.8 +#define UNPACK_RED(c) (((c) >> 16) & 0xff) 1.9 #define UNPACK_GREEN(c) (((c) >> 8) & 0xff) 1.10 -#define UNPACK_BLUE(c) (((c) >> 16) & 0xff) 1.11 +#define UNPACK_BLUE(c) ((c) & 0xff) 1.12 1.13 static void swap_buffers() 1.14 { 1.15 @@ -227,7 +227,6 @@ 1.16 break; 1.17 1.18 case 16: 1.19 - case 15: 1.20 { 1.21 uint16_t *dest = (uint16_t*)fb; 1.22 for(int i=0; i<num_pixels; i++) { 1.23 @@ -236,7 +235,9 @@ 1.24 unsigned char g = UNPACK_GREEN(c); 1.25 unsigned char b = UNPACK_BLUE(c); 1.26 1.27 - *dest++ = PACK_RGB(r, g, b); 1.28 + *dest++ = (((r) << 8) & 0xf800) | 1.29 + (((g) << 3) & 0x7e0) | 1.30 + (((b) >> 3) & 0x1f); 1.31 } 1.32 } 1.33 break;