FWIW, I'm using this IOCTL in a wlroots patchset [1].
To detect support for this IOCTL, is there anything better than creating a
DMA-BUF and checking for ENOTTY? I'd like to disable explicit sync at init-time
if this is missing.
[1]: https://github.com/swaywm/wlroots/pull/3282
On June 10, 2021 16:09:49 Jason Ekstrand wrote:
Modern userspace APIs like Vulkan are built on an explicit
synchronization model. This doesn't always play nicely with the
implicit synchronization used in the kernel and assumed by X11 and
Wayland. The client -> compositor half of the synchroni
Modern userspace APIs like Vulkan are built on an explicit
synchronization model. This doesn't always play nicely with the
implicit synchronization used in the kernel and assumed by X11 and
Wayland. The client -> compositor half of the synchronization isn't too
bad, at least on intel, because we
