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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#c17">Comment # 17</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:mattst88@gmail.com" title="Matt Turner <mattst88@gmail.com>"> <span class="fn">Matt Turner</span></a>
</span></b>
<pre>(In reply to Gavin Hindman from <a href="show_bug.cgi?id=89314#c15">comment #15</a>)
<span class="quote">> Though shouldn't we just be fixing:"The weird part is that we round
> differently depending on whether the application uses a PBO or not." Or is
> that variance in HW rather than SW?</span >
Right, my understanding is that we're using the GPU hardware to do the
conversions in the PBO case and that the conversion the hardware does is
rounding in a slightly strange (but apparently okay by the spec) way.</pre>
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