[Bug 255266] New: Windows content not visible when trilinear texture filter is enabled

[pixecs at yahoo.com]

https://bugs.kde.org/show_bug.cgi?id=255266

           Summary: Windows content not visible when trilinear texture
                    filter is enabled
           Product: kde
           Version: 4.4
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: pixecs at yahoo.com


Created an attachment (id=52869)
 --> (http://bugs.kde.org/attachment.cgi?id=52869)
Two sample windows

Version:           4.4 (using KDE 4.4.4) 
OS:                Linux

I have a Radeon 5770 graphic card and i'm using ATI Catalyst proprietary
display driver version 10.9.
Because of bug https://bugs.kde.org/show_bug.cgi?id=202274 i disabled
functionality checks in desktop effects window.
When trilinear texture filter is active, after a reboot, windows appear empty
(no content is displayed)

Reproducible: Always

Steps to Reproduce:
On "Configure desktop effects" window
1) Check "Disable functionality checks"
2) Select trilinear texture filter
3) Apply and reboot

Actual Results:  
After login no matter what application i open, the application window is empty
(even a console window)
Tooltips appear normally displayed

Expected Results:  
Windows with content displayed

Kernel: 2.6.34.7-0.4-desktop x86_64
KDE: Platform Version 4.4.4 (KDE 4.4.4) "release 3"
Graphic card: Radeon 5770
Graphic driver: ATI Catalyst(TM) Proprietary Driver-8.771

With bilinear or nearest texture filter no errors appear.

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