Re: [OE-core] [PATCH] weston: backport gl-shaders fix to avoid shader compiler crashes

["Mathieu Dubois-Briand" <mathieu.dubois-briand@bootlin.com>]

On Thu Apr 9, 2026 at 10:38 AM CEST, Mathieu Dubois-Briand wrote:
> On Tue Apr 7, 2026 at 11:47 AM CEST, Mahesh Angadi via lists.openembedded.org wrote:
>> Some GPU shader compilers do not optimize away unused YUV shader
>> uniforms, even when the associated code paths are unreachable. This can cause
>> Weston to hit assertion failures at runtime on non-Mesa platforms, despite
>> working correctly on Mesa-based drivers.
>>
>> Backport the upstream gl-shaders fix to restore stable behavior across
>> GPU drivers.
>>
>> Signed-off-by: Mahesh Angadi <mangadi@qti.qualcomm.com>
>> ---
>
> Hi Mahesh,
>
> I note this is breaking builds with meta-qcom, as the patch is also
> present in there. But as you are the author of changes in both side, I
> bet you already knew this. :)
>
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/113/builds/565
>
> Thanks,
> Mathieu

Hi Mahesh,

This patch is now merged into master, so builds with meta-qcom are now
failing. Are you taking care of fixing this into meta-qcom or should I
contact maintainers?

https://autobuilder.yoctoproject.org/valkyrie/#/builders/113/builds/619

Thanks,
Mathieu

-- 
Mathieu Dubois-Briand, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com