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/*
* $Xorg: multibuf.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $
*
Copyright 1989, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
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 THE
OPEN GROUP 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 Open Group 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 Open Group.
*/
/* $XFree86: xc/include/extensions/multibuf.h,v 3.4 2001/12/14 19:53:28 dawes Exp $ */
#ifndef _MULTIBUF_H_
#define _MULTIBUF_H_
#include <X11/Xfuncproto.h>
#define MULTIBUFFER_PROTOCOL_NAME "Multi-Buffering"
#define MULTIBUFFER_MAJOR_VERSION 1 /* current version numbers */
#define MULTIBUFFER_MINOR_VERSION 1 /* has ClearImageBufferArea */
#define X_MbufGetBufferVersion 0
#define X_MbufCreateImageBuffers 1
#define X_MbufDestroyImageBuffers 2
#define X_MbufDisplayImageBuffers 3
#define X_MbufSetMBufferAttributes 4
#define X_MbufGetMBufferAttributes 5
#define X_MbufSetBufferAttributes 6
#define X_MbufGetBufferAttributes 7
#define X_MbufGetBufferInfo 8
#define X_MbufCreateStereoWindow 9
#define X_MbufClearImageBufferArea 10
/*
* update_action field
*/
#define MultibufferUpdateActionUndefined 0
#define MultibufferUpdateActionBackground 1
#define MultibufferUpdateActionUntouched 2
#define MultibufferUpdateActionCopied 3
/*
* update_hint field
*/
#define MultibufferUpdateHintFrequent 0
#define MultibufferUpdateHintIntermittent 1
#define MultibufferUpdateHintStatic 2
/*
* valuemask fields
*/
#define MultibufferWindowUpdateHint (1L << 0)
#define MultibufferBufferEventMask (1L << 0)
/*
* mono vs. stereo and left vs. right
*/
#define MultibufferModeMono 0
#define MultibufferModeStereo 1
#define MultibufferSideMono 0
#define MultibufferSideLeft 1
#define MultibufferSideRight 2
/*
* clobber state
*/
#define MultibufferUnclobbered 0
#define MultibufferPartiallyClobbered 1
#define MultibufferFullyClobbered 2
/*
* event stuff
*/
#define MultibufferClobberNotifyMask 0x02000000
#define MultibufferUpdateNotifyMask 0x04000000
#define MultibufferClobberNotify 0
#define MultibufferUpdateNotify 1
#define MultibufferNumberEvents (MultibufferUpdateNotify + 1)
#define MultibufferBadBuffer 0
#define MultibufferNumberErrors (MultibufferBadBuffer + 1)
#ifndef _MULTIBUF_SERVER_
/*
* Extra definitions that will only be needed in the client
*/
typedef XID Multibuffer;
typedef struct {
int type; /* of event */
unsigned long serial; /* # of last request processed by server */
int send_event; /* true if this came frome a SendEvent request */
Display *display; /* Display the event was read from */
Multibuffer buffer; /* buffer of event */
int state; /* see Clobbered constants above */
} XmbufClobberNotifyEvent;
typedef struct {
int type; /* of event */
unsigned long serial; /* # of last request processed by server */
int send_event; /* true if this came frome a SendEvent request */
Display *display; /* Display the event was read from */
Multibuffer buffer; /* buffer of event */
} XmbufUpdateNotifyEvent;
/*
* per-window attributes that can be got
*/
typedef struct {
int displayed_index; /* which buffer is being displayed */
int update_action; /* Undefined, Background, Untouched, Copied */
int update_hint; /* Frequent, Intermittent, Static */
int window_mode; /* Mono, Stereo */
int nbuffers; /* Number of buffers */
Multibuffer *buffers; /* Buffers */
} XmbufWindowAttributes;
/*
* per-window attributes that can be set
*/
typedef struct {
int update_hint; /* Frequent, Intermittent, Static */
} XmbufSetWindowAttributes;
/*
* per-buffer attributes that can be got
*/
typedef struct {
Window window; /* which window this belongs to */
unsigned long event_mask; /* events that have been selected */
int buffer_index; /* which buffer is this */
int side; /* Mono, Left, Right */
} XmbufBufferAttributes;
/*
* per-buffer attributes that can be set
*/
typedef struct {
unsigned long event_mask; /* events that have been selected */
} XmbufSetBufferAttributes;
/*
* per-screen buffer info (there will be lists of them)
*/
typedef struct {
VisualID visualid; /* visual usuable at this depth */
int max_buffers; /* most buffers for this visual */
int depth; /* depth of buffers to be created */
} XmbufBufferInfo;
_XFUNCPROTOBEGIN
extern Bool XmbufQueryExtension(
#if NeedFunctionPrototypes
Display* /* dpy */,
int* /* event_base_return */,
int* /* error_base_return */
#endif
);
extern Status XmbufGetVersion(
#if NeedFunctionPrototypes
Display* /* dpy */,
int* /* major_version_return */,
int* /* minor_version_return */
#endif
);
extern int XmbufCreateBuffers(
#if NeedFunctionPrototypes
Display* /* dpy */,
Window /* w */,
int /* count */,
int /* update_action */,
int /* update_hint */,
Multibuffer* /* buffers */
#endif
);
extern void XmbufDestroyBuffers(
#if NeedFunctionPrototypes
Display* /* dpy */,
Window /* window */
#endif
);
extern void XmbufDisplayBuffers(
#if NeedFunctionPrototypes
Display* /* dpy */,
int /* count */,
Multibuffer* /* buffers */,
int /* min_delay */,
int /* max_delay */
#endif
);
extern Status XmbufGetWindowAttributes(
#if NeedFunctionPrototypes
Display* /* dpy */,
Window /* w */,
XmbufWindowAttributes* /* attr */
#endif
);
extern void XmbufChangeWindowAttributes(
#if NeedFunctionPrototypes
Display* /* dpy */,
Window /* w */,
unsigned long /* valuemask */,
XmbufSetWindowAttributes* /* attr */
#endif
);
extern Status XmbufGetBufferAttributes(
#if NeedFunctionPrototypes
Display* /* dpy */,
Multibuffer /* b */,
XmbufBufferAttributes* /* attr */
#endif
);
extern void XmbufChangeBufferAttributes(
#if NeedFunctionPrototypes
Display* /* dpy */,
Multibuffer /* b */,
unsigned long /* valuemask */,
XmbufSetBufferAttributes* /* attr */
#endif
);
extern Status XmbufGetScreenInfo(
#if NeedFunctionPrototypes
Display* /* dpy */,
Drawable /* d */,
int* /* nmono_return */,
XmbufBufferInfo** /* mono_info_return */,
int* /* nstereo_return */,
XmbufBufferInfo** /* stereo_info_return */
#endif
);
extern Window XmbufCreateStereoWindow(
#if NeedFunctionPrototypes
Display* /* dpy */,
Window /* parent */,
int /* x */,
int /* y */,
unsigned int /* width */,
unsigned int /* height */,
unsigned int /* border_width */,
int /* depth */,
unsigned int /* class */,
Visual* /* visual */,
unsigned long /* valuemask */,
XSetWindowAttributes* /* attr */,
Multibuffer* /* leftp */,
Multibuffer* /* rightp */
#endif
);
extern void XmbufClearBufferArea(
#if NeedFunctionPrototypes
Display* /* dpy */,
Multibuffer /* buffer */,
int /* x */,
int /* y */,
unsigned int /* width */,
unsigned int /* height */,
Bool /* exposures */
#endif
);
_XFUNCPROTOEND
#else
#include "scrnintstr.h"
typedef Bool (* mbInitFunc)();
struct _mbufScreen; /* declared in multibufst.h */
extern void RegisterMultibufferInit(
#if NeedFunctionPrototypes
ScreenPtr /* pScreen */,
Bool (* /* bufMultibufferInit */)(
#if NeedNestedPrototypes
ScreenPtr /* pScreen */,
struct _mbufScreen * /* pMBScreen */
#endif
)
#endif
);
struct xMbufBufferInfo; /* declared in multibufst.h */
extern void RegisterDoubleBufferHardware(
#if NeedFunctionPrototypes
ScreenPtr /* pScreen */,
int /* nInfo */,
struct xMbufBufferInfo * /* pInfo */,
DevUnion * /* frameBuffer */,
DevUnion /* selectPlane */,
void (* /* CopyBufferBitsFunc */ )(),
void (* /* DrawSelectPlaneFunc */ )()
#endif
);
extern int CreateImageBuffers (
#if NeedFunctionPrototypes
WindowPtr /* pWin */,
int /* nbuf */,
XID * /* ids */,
int /* action */,
int /* hint */
#endif
);
extern void DestroyImageBuffers (
#if NeedFunctionPrototypes
WindowPtr /* pWin */
#endif
);
extern int DisplayImageBuffers (
#if NeedFunctionPrototypes
XID * /* ids */,
int /* nbuf */
#endif
);
#endif /* _MULTIBUF_SERVER_ */
#endif /* _MULTIBUF_H_ */
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