From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 57984] r300g: blend sfactor=GL_DST_COLOR fails with FBOs
Date: Fri, 07 Dec 2012 16:41:45 +0000 [thread overview]
Message-ID: <bug-57984-502-eVZAHaf6Kc@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-57984-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=57984
--- Comment #2 from Marek Olšák <maraeo@gmail.com> ---
(In reply to comment #1)
> 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.
Yes, you're right. The optimization should check the source RGB and A factors
too.
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next prev parent reply other threads:[~2012-12-07 16:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-07 15:41 [Bug 57984] New: r300g: blend sfactor=GL_DST_COLOR fails with FBOs bugzilla-daemon
2012-12-07 15:57 ` [Bug 57984] " bugzilla-daemon
2012-12-07 16:41 ` bugzilla-daemon [this message]
2012-12-07 17:32 ` bugzilla-daemon
2012-12-07 17:35 ` bugzilla-daemon
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