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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - The big SKQP bug"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105301#c29">Comment # 29</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - The big SKQP bug"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105301">bug 105301</a>
from <span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
</span></b>
<pre>(In reply to Dongseong Hwang from <a href="show_bug.cgi?id=105301#c26">comment #26</a>)
<span class="quote">> Kenneth, actually skqp assigns SRC1 by glBindFragDataLocationIndexed.
> However, skia bindw two varying out variables to (number=0, index=0) and
> (number=0, index=1). Is it legal? I cannot find the spec preventing this
> usage. </span >
Yes, that's exactly what you're supposed to do. Location should be the same
for both (render target 0), index should select color 0 vs. color 1.
That all seems fine. The GPU hang is definitely on a later draw with a shader
that has 'discard' in it. I believe the GL_ONE_MINUS_SRC1_COLOR blend factor
is still set, but the 'discard' shader doesn't write two color outputs. Like,
they meant to reset the blend factor and forgot.</pre>
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