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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]Render error in some games (etqw-demo, nexuiz, portal)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89058#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]Render error in some games (etqw-demo, nexuiz, portal)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89058">bug 89058</a>
from <span class="vcard"><a class="email" href="mailto:neil@linux.intel.com" title="Neil Roberts <neil@linux.intel.com>"> <span class="fn">Neil Roberts</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=114491" name="attach_114491" title="WIP patch">attachment 114491</a> <a href="attachment.cgi?id=114491&action=edit" title="WIP patch">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=89058&attachment=114491'>[review]</a>
WIP patch
After digging around in the code a bit I'm pretty sure it doesn't normally try
to prevent the src and dest being the same for send instructions. I tried
experimenting to force Mesa to allocate the same src and dst for an FS texture
sample in a simple test on Haswell and it also seems to break so now I'm
wondering whether it's a general restriction on many platforms and it's just
coincidence that we haven't hit it yet.
This patch seems to fix the rendering error for me but it's not a complete
patch because of the reasons described in the commit message.</pre>
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