[Mesa3d-dev] [Bug 26768] New: Segmentation fault with indirect rendering

[<bug...@fr...>]

http://bugs.freedesktop.org/show_bug.cgi?id=26768

           Summary: Segmentation fault with indirect rendering
           Product: Mesa
           Version: 7.6
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: GLX
        AssignedTo: mes...@li...
        ReportedBy: mar...@x-...


When using indirect rendering and the program "framebufferobject" from the Qt
demos a segmentation fault happens.

The segmentation fault is in src/glx/x11/indirect_vertex_array.c:
__glXPushArrayState(), because glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT)
is called twice or more times.

The solution is to change src/glx/x11/indirect_vertex_array.c, line 293
(function glXInitVertexArrayState) from:

  arrays->stack = malloc(sizeof(struct array_stack_state)
                          * arrays->num_arrays);

to:

   arrays->stack = malloc( sizeof( struct array_stack_state )
                            * arrays->num_arrays
*__GL_CLIENT_ATTRIB_STACK_DEPTH);


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