[Bug 18956] New: Intel Xorg: no more 3D since default OffscreenRenderingMode is fbo

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=18956

           Summary: Intel Xorg: no more 3D since default
                    OffscreenRenderingMode is fbo
           Product: Wine
           Version: 1.1.23
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: hoehle at users.sourceforge.net
                CC: hverbeet at gmail.com


Wine used to self-configure itself with reasonable defaults. This is broken
since wine-1.1.23 by commit a5876bb91e92645a400a248abb1ef283d1a822f6
wined3d: Use FBOs for offscreen rendering by default.

AFAIK, fbo does not exist on the Intel i915 drivers, apparently causing Wine to
tell applications that there's no 3D!

The Westerner now reports: "R3Dgl: PICTuRE: The Westerner" "Could not find any
compatible Direct3D devices. This sample will now exit."
FIFA WM 2006 complains that it needs hardware acceleration.

Adding HKCU\Software\Wine\Direct3D
"OffscreenRenderingMode"="backbuffer"
allows these apps to start.

This failure to start surprised me, as I convinced myself long ago that setting
ORM on the Intel in user.reg had no effect. Since then I was happy to have one
less configuration setting to check to try and get apps to run ;-)

Please provide for automatic fallback fbo->backbuffer in wined3d to complete
this patch.

Using Ubuntu 8.04 or 8.10 with corresponding Intel Xorg driver.

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