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-rw-r--r--src/mga.h5
-rw-r--r--src/mga_storm.c4
2 files changed, 9 insertions, 0 deletions
diff --git a/src/mga.h b/src/mga.h
index 34695c1..0c5d71d 100644
--- a/src/mga.h
+++ b/src/mga.h
@@ -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
diff --git a/src/mga_storm.c b/src/mga_storm.c
index fb0e7be..84a4c8c 100644
--- a/src/mga_storm.c
+++ b/src/mga_storm.c
@@ -710,7 +710,11 @@ Bool mgaAccelInit( ScreenPtr pScreen )
/* screen to screen color expansion */
if(pMga->AccelFlags & USE_LINEAR_EXPANSION) {
infoPtr->ScreenToScreenColorExpandFillFlags =
+#if X_BYTE_ORDER == X_BIG_ENDIAN
+ BIT_ORDER_IN_BYTE_MSBFIRST;
+#else
BIT_ORDER_IN_BYTE_LSBFIRST;
+#endif
infoPtr->SetupForScreenToScreenColorExpandFill =
mgaSetupForScreenToScreenColorExpandFill;
infoPtr->SubsequentScreenToScreenColorExpandFill =