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xf86-video-intel
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sna: Don't discard damage for SHM pixmaps 

We don't really want to rendering into SHM pixmaps except for copying
back due to the strict serialisation requirements.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-06-28 14:22:17 +01:00
parent 0f8b39d24f
commit 9fc052da5c
1 changed files with 5 additions and 0 deletions
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5
src/sna/sna_accel.c
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@ -6126,7 +6126,11 @@ upload_inplace:
static void discard_cpu_damage(struct sna *sna, struct sna_pixmap *priv)
{
if (priv->cpu_damage == NULL && !priv->shm)
return;
DBG(("%s: discarding existing CPU damage\n", __FUNCTION__));
if (kgem_bo_discard_cache(priv->gpu_bo, true)) {
DBG(("%s: discarding cached upload buffer\n", __FUNCTION__));
assert(DAMAGE_IS_ALL(priv->cpu_damage));
@ -6137,6 +6141,7 @@ static void discard_cpu_damage(struct sna *sna, struct sna_pixmap *priv)
kgem_bo_destroy(&sna->kgem, priv->gpu_bo);
priv->gpu_bo = NULL;
}
sna_damage_destroy(&priv->cpu_damage);
list_del(&priv->flush_list);