diff options
| author | Dave Airlie <[email protected]> | 2012-03-22 11:56:43 +0000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2012-03-25 17:15:23 +0100 |
| commit | d6c5ad52b2473064f0b3e031a2e1b59480c68c43 (patch) | |
| tree | c08b8b4e21793c6268e2cf9b2ee4a03d3a9cc0c4 | |
| parent | ba3a4d79a7bad959c0d9efbe0daa8d73c281d664 (diff) | |
drisw: fix image stride calculation for 16-bit.
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 <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
| -rw-r--r-- | src/gallium/state_trackers/dri/sw/drisw.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gallium/state_trackers/dri/sw/drisw.c b/src/gallium/state_trackers/dri/sw/drisw.c index f5d1555b01d..c4c4264d351 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); @@ -265,9 +266,8 @@ drisw_update_tex_buffer(struct dri_drawable *drawable, /* Copy the Drawable content to the mapped texture buffer */ get_image(dPriv, x, y, w, h, map); - /* The pipe transfer has a pitch rounded up to the nearest 64 pixels. - We assume 32 bit pixels. */ - ximage_stride = w * 4; + /* The pipe transfer has a pitch rounded up to the nearest 64 pixels. */ + ximage_stride = w * cpp; for (line = h-1; line; --line) { memmove(&map[line * transfer->stride], &map[line * ximage_stride], |