diff options
author | Egbert Eich <eich@freedesktop.org> | 2011-06-07 19:31:16 +0200 |
---|---|---|
committer | Egbert Eich <eich@freedesktop.org> | 2013-07-31 11:46:06 +0200 |
commit | 12af175fee1d3f6f17f8391ec642d904deca3783 (patch) | |
tree | 92d78aefe51b6c6f4da6110496060872a97cf9de /src/mga.h | |
parent | 49381ff2c3aa98be5bb84494b2ad3f81a0d31bcc (diff) |
Disable Linear Expansion on BE
Linear Expansion doesn't work on BE as the bit order in
a word is reversed. ScreenToScreenColorExpansion allows
to adjust the bit order in a byte, still the bytes have
the wrong order.
Reviewed-by: <wharms@bfs.de>
Signed-off-by: Egbert Eich <eich@freedesktop.org>
Diffstat (limited to 'src/mga.h')
-rw-r--r-- | src/mga.h | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -688,7 +688,12 @@ extern CARD32 MGAAtypeNoBLK[16]; #define NICE_DASH_PATTERN 0x00000020 #define TWO_PASS_COLOR_EXPAND 0x00000040 #define MGA_NO_PLANEMASK 0x00000080 +/* linear expansion doesn't work on BE due to wrong byte order */ +#if X_BYTE_ORDER == X_BIG_ENDIAN +#define USE_LINEAR_EXPANSION 0x00000000 +#else #define USE_LINEAR_EXPANSION 0x00000100 +#endif #define LARGE_ADDRESSES 0x00000200 #define MGAIOMAPSIZE 0x00004000 |