1 files changed, 16 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaBitOrder.c b/xorg-server/hw/xfree86/xaa/xaaBitOrder.c
new file mode 100644
index 000000000..9dbd00f3c
--- /dev/null
+++ b/xorg-server/hw/xfree86/xaa/xaaBitOrder.c
@@ -0,0 +1,16 @@
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/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));
+}