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- /*
- * $XConsortium: multibuf.h,v 1.18 94/04/17 20:11:21 dpw Exp $
- *
- Copyright (c) 1989 X Consortium
-
- 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 THE
- X CONSORTIUM 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 X Consortium 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 X Consortium.
- */
-
- #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
-
- typedef Bool (* mbInitFunc)();
- extern void RegisterMultibufferInit();
- extern void RegisterDoubleBufferHardware();
-
- extern int CreateImageBuffers ();
- extern void DestroyImageBuffers ();
- extern int DisplayImageBuffers ();
-
- #endif /* _MULTIBUF_SERVER_ */
- #endif /* _MULTIBUF_H_ */
-