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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - r300g: blend sfactor=GL_DST_COLOR fails with FBOs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57984#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - r300g: blend sfactor=GL_DST_COLOR fails with FBOs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57984">bug 57984</a>
from <span class="vcard"><a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> <span class="fn">Marek Olšák</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=57984#c1">comment #1</a>)
<span class="quote">> I dug through the optimizations in r300_create_blend_state, and the problem
> is the "Disable reading if SRC_ALPHA == 0" optimization. It is not correct
> if the source factor is DEST_COLOR. I'm checking if any other source factors
> have to be excluded.</span >
Yes, you're right. The optimization should check the source RGB and A factors
too.</pre>
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