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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-12-24 09:59:24 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-12-24 10:08:06 +0000 |
| commit | 3bcc9f08e1309725c18dfa5ca0e905bb88ebf4ea (patch) | |
| tree | 094a0884d92150e897136e571a181f808753b138 | |
| parent | efc8d04fc114e9966e5ca00600f9663ecf03a5ca (diff) | |
sna: Create a GPU for a streaming write
If we are about to do a write-only drawing operation that will exceed
our cache, allocate a GPU bo and perform the operation inplace.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/sna_accel.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c index c66ed66b..859530f7 100644 --- a/src/sna/sna_accel.c +++ b/src/sna/sna_accel.c @@ -888,6 +888,23 @@ sna_drawable_move_region_to_cpu(DrawablePtr drawable, sna_pixmap_free_cpu(sna, priv); } } + + if (priv->gpu_bo == NULL && + sna_pixmap_choose_tiling(pixmap) != I915_TILING_NONE && + region_inplace(sna, pixmap, region, priv)) { + sna_damage_subtract(&priv->cpu_damage, region); + if (sna_pixmap_move_to_gpu(pixmap, MOVE_WRITE)) { + pixmap->devPrivate.ptr = + kgem_bo_map(&sna->kgem, priv->gpu_bo, + PROT_WRITE); + priv->mapped = 1; + + sna_damage_add(&priv->gpu_damage, region); + + priv->gpu = true; + return true; + } + } } if (priv->mapped) { |