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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Gen8+] Xonotic fails to render one of the weapons"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101408#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [Gen8+] Xonotic fails to render one of the weapons"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101408">bug 101408</a>
from <span class="vcard"><a class="email" href="mailto:mark.a.janes@intel.com" title="Mark Janes <mark.a.janes@intel.com>"> <span class="fn">Mark Janes</span></a>
</span></b>
<pre>Thanks for narrowing this down Andriy.
You can confirm that this is a driver bug (not an app bug) by retracing the
working & broken trace files on other drivers/hardware:
- Intel Windows OpenGL
- AMD Radeon
- Nvidia
If they render better than i965 Mesa, then it is probably a driver bug.
Secondly, you can find the problematic shader using FrameRetrace:
<a href="https://github.com/janesma/apitrace/wiki/frameretrace-branch">https://github.com/janesma/apitrace/wiki/frameretrace-branch</a>
For a short demo of how to find the shader for the bad render, watch this video
starting around the 10min mark:
<a href="https://fosdem.org/2018/schedule/event/apitrace/">https://fosdem.org/2018/schedule/event/apitrace/</a></pre>
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