[quake3-bugzilla] [Bug 4954] New: Misalignment in screenshot and video frame capture in some screen resolution

[bugzilla-daemon at icculus.org]

https://bugzilla.icculus.org/show_bug.cgi?id=4954

           Summary: Misalignment in screenshot and video frame capture in
                    some screen resolution
           Product: ioquake3
           Version: SVN HEAD
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Video
        AssignedTo: zakk at icculus.org
        ReportedBy: bougard.g at gmail.com
         QAContact: quake3-bugzilla at icculus.org


The only affected resolution I know is 1366x768. But I know many laptop has
such resolution in our days and this case is an issue for their owners.

How to reproduce:
change resolution to 1366x768, even in windowed mode, take a screenshot in TGA
or even in JPEG, checking the picture shows something like a corrupted
screenshot.

I was aware of that problem since a long time but I didn't find the solution as
I'm not and OpenGL expert. Btw today Google gave me good results and I found a
fix.

The fix may also help for some other case. For example I saw better result on a
screenshot from a windowed game with part of the window hidden out of the
screen.

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