[Mesa-dev] Crocus causes image corruption and GPU HANG on GM45 - GMA 4500 MHD (and missing extensions)

[Dave Airlie]

On Sat, 10 Jul 2021 at 11:12, Jan Beich <jbeich at freebsd.org> wrote:
>
> Wladislav Artsimovich <mailinglist at frost.kiwi> writes:
>
> > Finally, on Gen4/Gen5 iGPUs, crocus does not expose
> > GL_EXT_gpu_shader4, thus modern GLSL functions are missing targets and
> > no "GL_ARB_blend_func_extended", as is normally possible on with i915
> > and documented here:
> > https://lists.freedesktop.org/archives/mesa-dev/2021-May/225249.html

I feel this email had some info I've missed.

GM45 in mesa master should now expose
GL_EXT_gpu_shader4/GL_ARB_blend_func_extended.

Dave.

>
> Could be related to the following:
> https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11693
> https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/706
>
> Both propagated downstream:
> https://github.com/freebsd/freebsd-ports/commit/d17122bb82e0 (mesa-devel)
> https://github.com/freebsd/freebsd-ports/commit/9339d0b45118 (xwayland-devel)
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev