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sna: Transfer the whole bo for a replacement XCopyArea 

If we are copying over the entire source onto the destination,just copy
across the GPU bo. This is often used for caching images as pixmaps.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-12-10 22:37:31 +00:00
parent ece7fc8afe
commit c295ad8da9
1 changed files with 25 additions and 0 deletions
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25
src/sna/sna_accel.c
View File

@ -2015,6 +2015,31 @@ sna_copy_boxes(DrawablePtr src, DrawablePtr dst, GCPtr gc,
src_priv ? src_priv->cpu_bo : NULL,
replaces));
if (replaces) {
if (dst_priv && src_priv && src_priv->gpu_damage == NULL) {
if (sna_pixmap_move_to_gpu(src_pixmap)) {
DBG(("%s: transferring src GPU bo to dst\n", __FUNCTION__));
if (dst_priv->gpu_bo)
kgem_bo_destroy(&sna->kgem, dst_priv->gpu_bo);
sna_damage_destroy(&dst_priv->cpu_damage);
sna_damage_all(&dst_priv->gpu_damage,
dst_pixmap->drawable.width,
dst_pixmap->drawable.height);
dst_priv->gpu_bo = src_priv->gpu_bo;
src_priv->gpu_bo = NULL;
sna_damage_all(&src_priv->cpu_damage,
src_pixmap->drawable.width,
src_pixmap->drawable.height);
return;
}
}
if (!src_priv || src_priv->gpu_bo == NULL || src_priv->cpu_damage)
goto fallback;
}
/* Try to maintain the data on the GPU */
if (dst_priv && dst_priv->gpu_bo == NULL &&
src_priv && src_priv->gpu_bo != NULL) {