From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.sourceforge.net
Subject: [Bug 26525] New: Rendering bug due to ARB_texture_non_power_of_two
Date: Wed, 10 Feb 2010 20:48:40 -0800 (PST) [thread overview]
Message-ID: <bug-26525-502@http.bugs.freedesktop.org/> (raw)
http://bugs.freedesktop.org/show_bug.cgi?id=26525
Summary: Rendering bug due to ARB_texture_non_power_of_two
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/R600
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: ppanon@shaw.ca
While trying to address a D3D rendering bug report in Wine, I've been working
on trying to add card recognition support into Wine for the Mesa ATI
(R300/R600) drivers. This was in order to resolve a rendering issue when using
the Mesa ATI driver. What we've found is that a code workaround to avoid using
ARB_texture_non_power_of_two APIs on R300-R500 cards also seems to fix this
rendering issue on Mesa DRI R600 (in particular with an HD4800 series card).
This would seem to indicate a bug in the ARP texture_non_power_of_two
implementation on R600. The Wine bug report is at
http://bugs.winehq.org/show_bug.cgi?id=21515
Comments #45-47 indicate that the rendering problem is "fixed" by activating a
"quirk"/workaround that avoids ARB_texture_non_power_of_two. Stefan Dosinger's
comment #48 indicates what the "quirk" workaround does, how it should not be
required on an R600/R700 series card, and how that indicates a probable driver
bug.
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next reply other threads:[~2010-02-11 4:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-11 4:48 bugzilla-daemon [this message]
2010-02-11 6:04 ` [Bug 26525] Rendering bug due to ARB_texture_non_power_of_two bugzilla-daemon
2010-02-12 17:50 ` bugzilla-daemon
2010-02-12 17:51 ` bugzilla-daemon
2010-02-12 17:55 ` bugzilla-daemon
2010-02-12 17:56 ` bugzilla-daemon
2010-02-12 18:03 ` bugzilla-daemon
2010-02-12 18:15 ` bugzilla-daemon
2010-02-12 18:19 ` bugzilla-daemon
2010-02-12 19:16 ` bugzilla-daemon
2010-02-12 19:27 ` bugzilla-daemon
2010-02-13 11:27 ` Pauli Nieminen
2010-02-13 11:27 ` bugzilla-daemon
2012-11-02 16:22 ` bugzilla-daemon
2012-11-21 21:22 ` bugzilla-daemon
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