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.\" Copyright (c) 1995 Hewlett-Packard Company
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software furnished to do so, subject to the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be included in
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.\" all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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.\" WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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.\" OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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.\" SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the Hewlett-Packard Company shall not
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.\" be used in advertising or otherwise to promote the sale, use or other
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.\" dealing in this Software without prior written authorization from the
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.\" Hewlett-Packard Company.
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.\"
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.TH XdbeAllocateBackBufferName __libmansuffix__ __xorgversion__ "X FUNCTIONS"
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.SH NAME
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XdbeAllocateBackBufferName - allocates a DBE buffer.
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.SH SYNOPSIS
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\&#include <X11/extensions/Xdbe.h>
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XdbeBackBuffer XdbeAllocateBackBufferName(
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Display *dpy,
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Window window,
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XdbeSwapAction swap_action)
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.SH DESCRIPTION
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This function returns a drawable ID used to refer to the back buffer of the
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specified window. The swap_action is a hint to indicate the swap action that
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will likely be used in subsequent calls to
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.B XdbeSwapBuffers().
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The actual swap
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action used in calls to
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.B XdbeSwapBuffers()
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does not have to be the same as the
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swap_action passed to this function, though clients are encouraged to provide
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accurate information whenever possible.
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.SH ERRORS
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.IP BadAlloc
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.IP BadIDChoice
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.IP BadMatch
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The specified window is not an InputOutput window or its visual does not
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support DBE.
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.IP BadValue
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An invalid swap action was specified.
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.IP BadWindow
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An invalid window was specified.
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.SH SEE ALSO
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DBE,
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.I XdbeBeginIdiom(),
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.I XdbeDeallocateBackBufferName(),
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.I XdbeEndIdiom(),
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.I XdbeFreeVisualInfo(),
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.I XdbeGetBackBufferAttributes(),
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.I XdbeGetVisualInfo(),
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.I XdbeQueryExtension(),
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.I XdbeSwapBuffers().
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