diff options
| author | Eric Anholt <eric@anholt.net> | 2017-05-17 13:22:39 -0700 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2017-05-26 10:21:32 +0100 |
| commit | b50e9022bde70b6f381bf2a717ef7ac77138a9bf (patch) | |
| tree | 34593c5c6991f27d3f9953f1f7f199f701eec896 | |
| parent | 356b0b2ba1e2b6e43604a5a249e39bf881976ee2 (diff) | |
vc4: Don't allocate new BOs to avoid synchronization when they're shared.
If X11 did a software fallback to the entire screen, we would throw out
the BO the screen is scanning out from and allocate a new one.
Cc: mesa-stable@lists.freedesktop.org
(cherry picked from commit e8ea42d245cb6adc7f16ee4e96fd89d905d2163a)
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_resource.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_resource.c b/src/gallium/drivers/vc4/vc4_resource.c index e4784ff86e2..596f73dfbf0 100644 --- a/src/gallium/drivers/vc4/vc4_resource.c +++ b/src/gallium/drivers/vc4/vc4_resource.c @@ -165,7 +165,8 @@ vc4_resource_transfer_map(struct pipe_context *pctx, prsc->width0 == box->width && prsc->height0 == box->height && prsc->depth0 == box->depth && - prsc->array_size == 1) { + prsc->array_size == 1 && + rsc->bo->private) { usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE; } |