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Tasklist

FS#20930 - [qt] multisampling doesn't work with ATI Catalyst 10.7 or later driver

Attached to Project: Arch Linux
Opened by Jonathan Liu (net147) - Friday, 24 September 2010, 10:14 GMT
Last edited by Andrea Scarpino (BaSh) - Sunday, 10 October 2010, 14:27 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Andrea Scarpino (BaSh)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 2
Private No

Details

Description:
Multisampling doesn't work with ATI Catalyst 10.7 or later driver in any Qt-based OpenGL application that uses the QtOpenGL module.
See http://bugreports.qt.nokia.com/browse/QTBUG-13141.

Additional info:
* qt 4.6.3-1
* qt 4.7.0-1

Steps to reproduce:
* Open a 3D model in GLC-Player (http://aur.archlinux.org/packages.php?ID=40459). The application falls back to a non-multisampled OpenGL context resulting in jagged edges when rendering.

Patch is included in the Qt bug report: http://bugreports.qt.nokia.com/secure/attachment/16687/0001-Fix-OpenGL-multisampling-for-some-graphics-drivers.patch.
This task depends upon

Closed by  Andrea Scarpino (BaSh)
Sunday, 10 October 2010, 14:27 GMT
Reason for closing:  Fixed
Additional comments about closing:  qt 4.7.0-4

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