diff options
Diffstat (limited to 'hw/xfree86/xaa/xaaBitOrder.c')
| -rw-r--r-- | hw/xfree86/xaa/xaaBitOrder.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/xfree86/xaa/xaaBitOrder.c b/hw/xfree86/xaa/xaaBitOrder.c new file mode 100644 index 000000000..d7f3ba2a3 --- /dev/null +++ b/hw/xfree86/xaa/xaaBitOrder.c @@ -0,0 +1,13 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaBitOrder.c,v 1.8 2003/02/17 16:08:29 dawes Exp $ */ + +#include "Xmd.h" +CARD32 XAAReverseBitOrder(CARD32 v); + +CARD32 +XAAReverseBitOrder(CARD32 v) +{ + return (((0x01010101 & v) << 7) | ((0x02020202 & v) << 5) | + ((0x04040404 & v) << 3) | ((0x08080808 & v) << 1) | + ((0x10101010 & v) >> 1) | ((0x20202020 & v) >> 3) | + ((0x40404040 & v) >> 5) | ((0x80808080 & v) >> 7)); +} |