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Diffstat (limited to 'src/mesa/drivers/dri/sis/sis_dd.c')
-rw-r--r--src/mesa/drivers/dri/sis/sis_dd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/sis/sis_dd.c b/src/mesa/drivers/dri/sis/sis_dd.c
index 7dc3018157..6cabe5c383 100644
--- a/src/mesa/drivers/dri/sis/sis_dd.c
+++ b/src/mesa/drivers/dri/sis/sis_dd.c
@@ -227,7 +227,7 @@ sisUpdateBufferSize(sisContextPtr smesa)
/* XXX Should get the base offset of the frontbuffer from the X Server */
smesa->front.offset = smesa->driDrawable->x * smesa->bytesPerPixel +
smesa->driDrawable->y * smesa->front.pitch;
- smesa->front.map = (char *) smesa->driScreen->pFB;
+ smesa->front.map = (char *) smesa->driScreen->pFB + smesa->front.offset;
smesa->width = smesa->driDrawable->w;
smesa->height = smesa->driDrawable->h;