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NAME

       XdbeAllocateBackBufferName - allocates a DBE buffer.

SYNOPSIS

       #include <X11/extensions/Xdbe.h>

       XdbeBackBuffer XdbeAllocateBackBufferName(
           Display        *dpy,
           Window         window,
           XdbeSwapAction swap_action)

DESCRIPTION

       This function returns a drawable ID used to refer to the back buffer of
       the specified window.  The swap_action is a hint to indicate  the  swap
       action   that   will   likely   be   used   in   subsequent   calls  to
       XdbeSwapBuffers().   The  actual  swap  action   used   in   calls   to
       XdbeSwapBuffers()  does  not  have  to  be  the same as the swap_action
       passed to this function,  though  clients  are  encouraged  to  provide
       accurate information whenever possible.

ERRORS

       BadAlloc

       BadIDChoice

       BadMatch
              The  specified window is not an InputOutput window or its visual
              does not support DBE.

       BadValue
              An invalid swap action was specified.

       BadWindow
              An invalid window was specified.

SEE ALSO

       DBE, XdbeBeginIdiom(), XdbeDeallocateBackBufferName(),  XdbeEndIdiom(),
       XdbeFreeVisualInfo(),                    XdbeGetBackBufferAttributes(),
       XdbeGetVisualInfo(), XdbeQueryExtension(), XdbeSwapBuffers().