[Mesa-dev] [Bug 91778] white screen in unigine tropics and sanctuary with 11RC1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91778

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It's due to ARB_gpu_shader5 getting enabled, which introduces the 'sample'
keyword. However the tropics shader has a variable called 'sample', which was
legal back then.

ARB_gpu_shader5, in turn, gets enabled because of

<option name="force_glsl_extensions_warn" value="true" />

So ideally there'd be an extra override to disable ARB_gpu_shader5.

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