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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - white screen in unigine tropics and sanctuary with 11RC1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91778#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - white screen in unigine tropics and sanctuary with 11RC1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91778">bug 91778</a>
from <span class="vcard"><a class="email" href="mailto:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> <span class="fn">Ilia Mirkin</span></a>
</span></b>
<pre>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.</pre>
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