Current File : //usr/include/X11/extensions/Xdbe.h
/******************************************************************************
*
* 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
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* 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.
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* 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.
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*
* Header file for Xlib-related DBE
*
*****************************************************************************/
#ifndef XDBE_H
#define XDBE_H
#include <X11/Xfuncproto.h>
#include <X11/extensions/dbe.h>
typedef struct
{
VisualID visual; /* one visual ID that supports double-buffering */
int depth; /* depth of visual in bits */
int perflevel; /* performance level of visual */
}
XdbeVisualInfo;
typedef struct
{
int count; /* number of items in visual_depth */
XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */
}
XdbeScreenVisualInfo;
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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