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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - glTexImage2D regression by texstore_rgba switch to _mesa_format_convert"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89068#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - glTexImage2D regression by texstore_rgba switch to _mesa_format_convert"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89068">bug 89068</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>(In reply to Iago Toral from <a href="show_bug.cgi?id=89068#c7">comment #7</a>)
<span class="quote">> After testing with a binary provided by the reporter and comparing with the
> old code it looks like the problem comes from the fact that they are using
> transferOps for color scaling (which is effectively scaling 50% alpha values
> to 100%)... and we are not dealing with that in texstore_rgba.
>
> If we need to apply transferOps (we can call
> _mesa_texstore_needs_transfer_ops to check this) then we have to convert
> from the src format to RGBA_FLOAT, so we can call calling
> mesa_apply_rgba_transfer_ops(), then convert the result from RGBA_FLOAT to
> the dst format...
>
> I think we should do this after we have handled swaping scenarios and before
> the current call to _mesa_format_convert.</span >
Sound good to me. I'm kind of surprised piglit didn't catch that.</pre>
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