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sna/dri: Check back/front buffers of a pixmap for format change 

Highly unlikely.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-09-30 18:39:06 +01:00
parent 8e23251aad
commit eec12faf82
1 changed files with 3 additions and 3 deletions
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6
src/sna/sna_dri.c
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@ -1091,15 +1091,15 @@ can_exchange(struct sna * sna,
WindowPtr win = (WindowPtr)draw;
PixmapPtr pixmap;
if (draw->type == DRAWABLE_PIXMAP)
return true;
if (front->format != back->format) {
DBG(("%s: no, format mismatch, front = %d, back = %d\n",
__FUNCTION__, front->format, back->format));
return false;
}
if (draw->type == DRAWABLE_PIXMAP)
return true;
pixmap = get_window_pixmap(win);
if (pixmap == sna->front) {
DBG(("%s: no, window is attached to the front buffer\n",