[Mesa-dev] [Bug 95005] Unreal engine demos segfault after shader compilation error with OpenGL 4.3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95005

--- Comment #6 from Christoph Haag <haagch at frickel.club> ---
Just FYI: the patch from comment 1 helps for the (very) old unreal demos that
can be downloaded from the unreal wiki, but the current unreal engine has a
similar (something with TEXCOORD0 again), but different problem.
For demos with the current engine I only know of the unreal tournament alpha
that can be downloaded free of cost from here after registering at the forums:
https://www.epicgames.com/unrealtournament/forums/showthread.php?12011-Unreal-Tournament-Pre-Alpha-Playable-Build

Here is an apitrace, 78 megabytes:
http://haagch.frickel.club/files/UE4-Linux-Shipping.trace

apitrace replay shows this error message:

32283 @2 glLinkProgram(program = 3071)
32283: warning: link failed
32283: warning: error: vertex shader output `out_TEXCOORD0' declared as type
`#anon_struct_0001', but geometry shader input declared as type
`#anon_struct_0003[3]'
error: vertex shader output `out_TEXCOORD1' declared as type
`#anon_struct_0002', but geometry shader input declared as type
`#anon_struct_0004[3]'

32284: message: major api error 3: GL_INVALID_OPERATION in glUseProgram(program
3071 not linked)
32284 @2 glUseProgram(program = 3071)

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