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sna/dri: Assert that the replacement bo is large enough for the pixmap 

Just another paranoid sanity check.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-07-01 14:03:31 +01:00
parent 675cbd5fad
commit fbd114507d
1 changed files with 4 additions and 0 deletions
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4
src/sna/sna_dri.c
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@ -1147,6 +1147,9 @@ sna_dri_exchange_buffers(DrawablePtr draw,
back_bo = get_private(back)->bo;
front_bo = get_private(front)->bo;
assert(pixmap->drawable.height * back_bo->pitch <= kgem_bo_size(back_bo));
assert(pixmap->drawable.height * front_bo->pitch <= kgem_bo_size(front_bo));
DBG(("%s: exchange front=%d/%d and back=%d/%d\n",
__FUNCTION__,
front_bo->handle, front->name,
@ -1335,6 +1338,7 @@ sna_dri_flip_continue(struct sna *sna,
name = info->back->name;
bo = get_private(info->back)->bo;
assert(get_drawable_pixmap(draw)->drawable.height * bo->pitch <= kgem_bo_size(bo));
info->count = sna_page_flip(sna, bo, info, info->pipe, &info->old_fb);
if (info->count == 0)