[Mesa-dev] [Bug 36959] New: glxinfo -v doesn't show proper drawable type information.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun May 8 03:00:32 PDT 2011


           Summary: glxinfo -v doesn't show proper drawable type
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Demos
        AssignedTo: mesa-dev at lists.freedesktop.org
        ReportedBy: sagawa.aki+fdtbugs at gmail.com

Created an attachment (id=46446)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=46446)
proposed patch

Under the following situation, visual_drawable_type function (defined in
src/xdemos/glxinfo.c and called from glxinfo -v) returns wrong type text.
1. a visual calls visual_drawable_type(GLX_WINDOW_BIT);
2. then, another visual calls visual_drawable_type(GLX_PIXMAP_BIT);

In the later case, it expects to return "pixmap". But actually it returns
"window,pixmap,". The reason of this behavior is that the function advances a
pointer without testing a flag, and it doesn't clear previous texts.

I found this bug when I was testing Oracle VirtualBox's feature on Ubuntu
I made a patch, so attach it.

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