<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Unreal engine demos segfault after shader compilation error with OpenGL 4.3" href="https://bugs.freedesktop.org/show_bug.cgi?id=95005#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Unreal engine demos segfault after shader compilation error with OpenGL 4.3" href="https://bugs.freedesktop.org/show_bug.cgi?id=95005">bug 95005</a> from <a class="email" href="mailto:haagch@frickel.club" title="Christoph Haag <haagch@frickel.club>"> Christoph Haag</a> <pre>Just FYI: the patch from <a href="show_bug.cgi?id=95005#c1">comment 1</a> 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: <a href="https://www.epicgames.com/unrealtournament/forums/showthread.php?12011-Unreal-Tournament-Pre-Alpha-Playable-Build">https://www.epicgames.com/unrealtournament/forums/showthread.php?12011-Unreal-Tournament-Pre-Alpha-Playable-Build</a> Here is an apitrace, 78 megabytes: <a href="http://haagch.frickel.club/files/UE4-Linux-Shipping.trace">http://haagch.frickel.club/files/UE4-Linux-Shipping.trace</a> 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)</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> </ul> </body> </html>