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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Derivatives of gl_Color wrong when helper pixels used"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95130#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Derivatives of gl_Color wrong when helper pixels used"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95130">bug 95130</a>
from <span class="vcard"><a class="email" href="mailto:nhaehnle@gmail.com" title="Nicolai Hähnle <nhaehnle@gmail.com>"> <span class="fn">Nicolai Hähnle</span></a>
</span></b>
<pre>As a temporary workaround, the error should disappear when you run with the
environment variable setting R600_DEBUG=mono.
The cause is that with non-monolithic shaders, input interpolation happens in
the prolog. However, when we compile the prolog we do not see the derivative
computations and therefore fail to turn the helper pixels on.</pre>
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