freebsd-ports/graphics/svgalib/files/patch-gl__driver.c
2014-07-29 17:12:47 +00:00

29 lines
768 B
C

--- gl/driver.c.orig 1999-07-18 10:18:44.000000000 +0200
+++ gl/driver.c 2013-01-26 21:34:27.000000000 +0100
@@ -1,6 +1,7 @@
/* driver.c Framebuffer primitives */
+#include <sys/endian.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -33,17 +34,7 @@ static inline int RGB2BGR(int c)
/* However bswap is not supported by 386 */
if (MODEFLAGS & MODEFLAG_24BPP_REVERSED)
-#ifdef __alpha__
- c = ((c >> 0) & 0xff) << 16 |
- ((c >> 8) & 0xff) << 8 |
- ((c >> 16) & 0xff) << 0;
-#else
- asm("rorw $8, %0\n" /* 0RGB -> 0RBG */
- "rorl $16, %0\n" /* 0RBG -> BG0R */
- "rorw $8, %0\n" /* BG0R -> BGR0 */
- "shrl $8, %0\n" /* 0BGR -> 0BGR */
- : "=q"(c):"0"(c));
-#endif
+ c = bswap32(c) >> 8;
return c;
}