Module: Mesa Branch: master Commit: 3f98053fc94a964930c73c43154daddfd7824e7c URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3f98053fc94a964930c73c43154daddfd7824e7c
Author: Marek Olšák <[email protected]> Date: Mon Jan 13 14:13:01 2014 +0100 vdpau: flush the context before exporting the surface v2 Bugzilla (bug needs XBMC changes as well): https://bugs.freedesktop.org/show_bug.cgi?id=73191 When VL uploads vertex buffers, it uses PIPE_TRANSFER_DONTBLOCK, which always flushes the context in the winsys if the buffer being mapped is busy. Since I added handling of DISCARD_RANGE, DONTBLOCK has had no effect when combined with DISCARD_RANGE and I think the context isn't flushed anywhere else, so no commands are submitted to the GPU until the IB is full, which takes a lot of frames. Using DISCARD_RANGE is not the only way to trigger this bug. The other way is to reallocate the vertex buffer before every upload. BTW, I'm not sure if this is the right place for flushing, but it does fix the bug. v2 (chk): move the flush to the right place. Signed-off-by: Christian König <[email protected]> Tested-by: StrangeNoises ([email protected]) --- src/gallium/state_trackers/vdpau/output.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/gallium/state_trackers/vdpau/output.c b/src/gallium/state_trackers/vdpau/output.c index 5882bb2..9cb1106 100644 --- a/src/gallium/state_trackers/vdpau/output.c +++ b/src/gallium/state_trackers/vdpau/output.c @@ -736,6 +736,7 @@ struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface) pipe_mutex_lock(vlsurface->device->mutex); vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL); + vlsurface->device->context->flush(vlsurface->device->context, NULL, 0); pipe_mutex_unlock(vlsurface->device->mutex); return vlsurface->surface->texture; _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
