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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW, regression, bisected] i965/pixel_read: Use meta_pbo_GetTexSubImage for PBO ReadPixels (ef0499af255ecd)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89314#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW, regression, bisected] i965/pixel_read: Use meta_pbo_GetTexSubImage for PBO ReadPixels (ef0499af255ecd)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89314">bug 89314</a>
from <span class="vcard"><a class="email" href="mailto:jason@jlekstrand.net" title="Jason Ekstrand <jason@jlekstrand.net>"> <span class="fn">Jason Ekstrand</span></a>
</span></b>
<pre>Ok, I dug into it a bit. This looks like it isn't actually an error in the PBO
upload path. Instead, it's a subtle difference in format conversion between
what's happening in the meta PBO path and what's happening in software. Neil
Roberts put together some patches to make them closer in some cases. I think
we just need to extend that to when going from 10-bit to 8-bit. I'll look into
it.</pre>
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