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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [OpenGL CTS][SKL,KBL] KHR-GL45.vertex_attrib_64bit.limits_test occasionally fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104335#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [OpenGL CTS][SKL,KBL] KHR-GL45.vertex_attrib_64bit.limits_test occasionally fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104335">bug 104335</a>
from <span class="vcard"><a class="email" href="mailto:itoral@igalia.com" title="Iago Toral <itoral@igalia.com>"> <span class="fn">Iago Toral</span></a>
</span></b>
<pre>(In reply to Iago Toral from <a href="show_bug.cgi?id=104335#c0">comment #0</a>)
<span class="quote">> Interestingly, replacing gl_InstanceID with 0 in the shader code seems to
> make the problem go away entirely, which is quite surprising seeing that
> this test has otherwise a very high pass rate and does actual instanced draw
> calls that woudl rely on gl_InstanceID taking appropriate values.</span >
I have tracked this part where we can make the test pass consistently when we
replace gl_InstanceID by 0 down to a bug in CTS that was only validating the
first instance worth of results (See gerrit CL#2037 for a patch).</pre>
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