If you ran g-s in 16-bpp we'd do a bunch of memory corruption.
now it just misrenders for some other reasons.
applies to stable.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/gallium/state_trackers/dri/sw/drisw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/gallium/state_trackers/dri/sw/drisw.c
b/src/gallium/state_trackers/dri/sw/drisw.c
index f5d1555..91ba3df 100644
--- a/src/gallium/state_trackers/dri/sw/drisw.c
+++ b/src/gallium/state_trackers/dri/sw/drisw.c
@@ -253,6 +253,7 @@ drisw_update_tex_buffer(struct dri_drawable *drawable,
char *map;
int x, y, w, h;
int ximage_stride, line;
+ int cpp = util_format_get_blocksize(res->format);
get_drawable_info(dPriv, &x, &y, &w, &h);
@@ -267,7 +268,7 @@ drisw_update_tex_buffer(struct dri_drawable *drawable,
/* The pipe transfer has a pitch rounded up to the nearest 64 pixels.
We assume 32 bit pixels. */
- ximage_stride = w * 4;
+ ximage_stride = w * cpp;
for (line = h-1; line; --line) {
memmove(&map[line * transfer->stride],
&map[line * ximage_stride],
--
1.7.9.3
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