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sna/dri: Assert that the old scanout is clear before overwriting 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-02-11 22:15:17 +00:00
parent 2667b821e1
commit 5fb165b02d
1 changed files with 1 additions and 0 deletions
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src/sna/sna_dri.c
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@ -1097,6 +1097,7 @@ sna_dri_page_flip(struct sna *sna, struct sna_dri_frame_event *info)
assert(sna_pixmap_get_buffer(sna->front) == info->front);
assert(get_drawable_pixmap(info->draw)->drawable.height * bo->pitch <= kgem_bo_size(bo));
assert(info->scanout[0].bo);
assert(info->scanout[1].bo == NULL);
info->count = sna_page_flip(sna, bo, info, info->pipe);
if (!info->count)