[Interest] QtWayland: i915 and linux-dmabuf-unstable-v1

[Andreas Cord-Landwehr]

On Mittwoch, 25. März 2020 14:52:58 CEST Johannes Pointner wrote:
> Hello,
> 
> I tried to enable the linux-dmabuf-unstable-v1 integration for
> QtWayland server on a Intel Apollo Lake system(i915) but it failed
> with:
> qt.waylandcompositor.hardwareintegration: failed to create EGL image for
> plane 0 qt.waylandcompositor.hardwareintegration: failed to create EGL
> image for plane 1 error in client communication (pid 499)
> and then the wayland client crashes(also a Qt application) with:
> [destroyed object]: error 7: Import of the provided DMA buffer failed
> The Wayland connection experienced a fatal error: Protocol error
> 
> I have used the linux-dmabuf-unstable-v1 integration successfully on a
> i.MX6 with etnaviv.
> Should this work on an Intel target too?
> Versions used: Qt 5.13.2, Mesa 19.1.6, Kernel 5.5.11
> 
> Any hint would be highly appreciated.
> 
> Thx,
> Hannes
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Hi Hannes,

could you try linux-dmabuf with this patch, I would expect it to solve your 
issues:

https://codereview.qt-project.org/c/qt/qtwayland/+/290911

Cheers,
Andreas