[Bug 103646] latest mesa git probably after commit c591b1e59454db2e8854e36852e0d413ce38b2f2 causes strange transparency in supertuxkart

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103646

--- Comment #24 from Deve <deveee at gmail.com> ---
The main reason is that probably alpha blending is somewhere messed in STK. It
shouldn't produce semi-transparent image...

It was happening for me on wayland when I was creating EGL context with alpha
channel. And that's why I added wl_surface_set_opaque_region.

So there may be two reasons:
- Current Gnome+xserver now behaves the same as Gnome+wayland
- Mesa now uses alpha channel even if we didn't request it

But again, I can't reproduce it with Intel HD 4000 and Gnome 3.24.

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