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Xdbe.h

/* $Xorg: Xdbe.h,v 1.3 2000/08/18 04:05:45 coskrey Exp $ */
/******************************************************************************
 * 
 * Copyright (c) 1994, 1995  Hewlett-Packard Company
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 * Except as contained in this notice, the name of the Hewlett-Packard
 * Company shall not be used in advertising or otherwise to promote the
 * sale, use or other dealings in this Software without prior written
 * authorization from the Hewlett-Packard Company.
 * 
 *     Header file for Xlib-related DBE
 *
 *****************************************************************************/
/* $XFree86: xc/include/extensions/Xdbe.h,v 3.2 2001/08/01 00:44:35 tsi Exp $ */

#ifndef XDBE_H
#define XDBE_H


/* INCLUDES */

#include <X11/Xfuncproto.h>
#include <X11/extensions/Xdbeproto.h>


/* DEFINES */

/* Errors */
#define XdbeBadBuffer    0


/* TYPEDEFS */

typedef Drawable XdbeBackBuffer;

typedef unsigned char XdbeSwapAction;

typedef struct
{
    Window        swap_window;    /* window for which to swap buffers   */
    XdbeSwapAction      swap_action;    /* swap action to use for swap_window */
}
XdbeSwapInfo;

typedef struct
{
    Window  window;                 /* window that buffer belongs to */
}
XdbeBackBufferAttributes;

typedef struct
{
    int                 type;
    Display       *display;   /* display the event was read from */
    XdbeBackBuffer      buffer;           /* resource id                     */
    unsigned long serial;           /* serial number of failed request */
    unsigned char error_code; /* error base + XdbeBadBuffer      */
    unsigned char request_code;     /* major opcode of failed request  */
    unsigned char minor_code; /* minor opcode of failed request  */
}
XdbeBufferError;

/* _XFUNCPROTOBEGIN and _XFUNCPROTOEND are defined as noops
 * (for non-C++ builds) in X11/Xfuncproto.h.
 */
_XFUNCPROTOBEGIN

extern Status XdbeQueryExtension(
    Display*            /* dpy                  */,
    int*          /* major_version_return */,
    int*          /* minor_version_return */
);

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

extern Status XdbeDeallocateBackBufferName(
    Display*            /* dpy    */,
    XdbeBackBuffer      /* buffer */
);

extern Status XdbeSwapBuffers(
    Display*            /* dpy         */,
    XdbeSwapInfo* /* swap_info   */,
    int                 /* num_windows */
);

extern Status XdbeBeginIdiom(
    Display*            /* dpy */
);

extern Status XdbeEndIdiom(
    Display*            /* dpy */
);

extern XdbeScreenVisualInfo *XdbeGetVisualInfo(
    Display*            /* dpy               */,
    Drawable*           /* screen_specifiers */,
    int*          /* num_screens       */
);

extern void XdbeFreeVisualInfo(
    XdbeScreenVisualInfo*     /* visual_info */
);

extern XdbeBackBufferAttributes *XdbeGetBackBufferAttributes(
    Display*            /* dpy    */,
    XdbeBackBuffer      /* buffer */
);

_XFUNCPROTOEND

#endif /* XDBE_H */


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