[Bug 42131] New: Problem with resizing OpenGL windows when using XCB

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=42131

             Bug #: 42131
           Summary: Problem with resizing OpenGL windows when using XCB
    Classification: Unclassified
           Product: Mesa
           Version: 7.11
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: nilschrbrause at googlemail.com


Created attachment 52651
  --> https://bugs.freedesktop.org/attachment.cgi?id=52651
Test program demonstrating the problem

The attached program creates a window using XCB and draws a rectangle inside it
using OpenGL. When using indirect software rendering (LIBGL_ALWAYS_INDIRECT=1),
everything works as expected. But when using the R600 Gallium3D driver, the
OpenGL view port doesn't seem to get resized properly and the window contents
get screwed up.

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