diff options
Diffstat (limited to 'nx-X11/lib/Xdamage/Xdamage.c')
| -rw-r--r-- | nx-X11/lib/Xdamage/Xdamage.c | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/nx-X11/lib/Xdamage/Xdamage.c b/nx-X11/lib/Xdamage/Xdamage.c deleted file mode 100644 index 48ffa68a9..000000000 --- a/nx-X11/lib/Xdamage/Xdamage.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - * $Id: Xdamage.c,v 1.3 2005/07/03 07:00:56 daniels Exp $ - * - * Copyright © 2003 Keith Packard - * - * 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, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "xdamageint.h" - -XDamageExtInfo XDamageExtensionInfo; - -const char XDamageExtensionName[] = DAMAGE_NAME; - -static int -XDamageCloseDisplay (Display *dpy, XExtCodes *codes); - -static Bool -XDamageWireToEvent(Display *dpy, XEvent *event, xEvent *wire); - -static Status -XDamageEventToWire(Display *dpy, XEvent *event, xEvent *wire); - -/* - * XDamageExtAddDisplay - add a display to this extension. (Replaces - * XextAddDisplay) - */ -static XDamageExtDisplayInfo * -XDamageExtAddDisplay (XDamageExtInfo *extinfo, - Display *dpy, - const char *ext_name) -{ - XDamageExtDisplayInfo *info; - int ev; - - info = (XDamageExtDisplayInfo *) Xmalloc (sizeof (XDamageExtDisplayInfo)); - if (!info) return NULL; - info->display = dpy; - - info->codes = XInitExtension (dpy, ext_name); - - /* - * if the server has the extension, then we can initialize the - * appropriate function vectors - */ - if (info->codes) { - xDamageQueryVersionReply rep; - xDamageQueryVersionReq *req; - XESetCloseDisplay (dpy, info->codes->extension, - XDamageCloseDisplay); - for (ev = info->codes->first_event; - ev < info->codes->first_event + XDamageNumberEvents; - ev++) - { - XESetWireToEvent (dpy, ev, XDamageWireToEvent); - XESetEventToWire (dpy, ev, XDamageEventToWire); - } - /* - * Get the version info - */ - LockDisplay (dpy); - GetReq (DamageQueryVersion, req); - req->reqType = info->codes->major_opcode; - req->damageReqType = X_DamageQueryVersion; - req->majorVersion = DAMAGE_MAJOR; - req->minorVersion = DAMAGE_MINOR; - if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) - { - UnlockDisplay (dpy); - SyncHandle (); - return 0; - } - info->major_version = rep.majorVersion; - info->minor_version = rep.minorVersion; - UnlockDisplay (dpy); - } else { - /* The server doesn't have this extension. - * Use a private Xlib-internal extension to hang the close_display - * hook on so that the "cache" (extinfo->cur) is properly cleaned. - * (XBUG 7955) - */ - XExtCodes *codes = XAddExtension(dpy); - if (!codes) { - XFree(info); - return NULL; - } - XESetCloseDisplay (dpy, codes->extension, XDamageCloseDisplay); - } - - /* - * now, chain it onto the list - */ - _XLockMutex(_Xglobal_lock); - info->next = extinfo->head; - extinfo->head = info; - extinfo->cur = info; - extinfo->ndisplays++; - _XUnlockMutex(_Xglobal_lock); - return info; -} - - -/* - * XDamageExtRemoveDisplay - remove the indicated display from the - * extension object. (Replaces XextRemoveDisplay.) - */ -static int -XDamageExtRemoveDisplay (XDamageExtInfo *extinfo, Display *dpy) -{ - XDamageExtDisplayInfo *info, *prev; - - /* - * locate this display and its back link so that it can be removed - */ - _XLockMutex(_Xglobal_lock); - prev = NULL; - for (info = extinfo->head; info; info = info->next) { - if (info->display == dpy) break; - prev = info; - } - if (!info) { - _XUnlockMutex(_Xglobal_lock); - return 0; /* hmm, actually an error */ - } - - /* - * remove the display from the list; handles going to zero - */ - if (prev) - prev->next = info->next; - else - extinfo->head = info->next; - - extinfo->ndisplays--; - if (info == extinfo->cur) extinfo->cur = NULL; /* flush cache */ - _XUnlockMutex(_Xglobal_lock); - - Xfree ((char *) info); - return 1; -} - -/* - * XDamageExtFindDisplay - look for a display in this extension; keeps a - * cache of the most-recently used for efficiency. (Replaces - * XextFindDisplay.) - */ -static XDamageExtDisplayInfo * -XDamageExtFindDisplay (XDamageExtInfo *extinfo, - Display *dpy) -{ - XDamageExtDisplayInfo *info; - - /* - * see if this was the most recently accessed display - */ - if ((info = extinfo->cur) && info->display == dpy) - return info; - - /* - * look for display in list - */ - _XLockMutex(_Xglobal_lock); - for (info = extinfo->head; info; info = info->next) { - if (info->display == dpy) { - extinfo->cur = info; /* cache most recently used */ - _XUnlockMutex(_Xglobal_lock); - return info; - } - } - _XUnlockMutex(_Xglobal_lock); - - return NULL; -} - -XDamageExtDisplayInfo * -XDamageFindDisplay (Display *dpy) -{ - XDamageExtDisplayInfo *info; - - info = XDamageExtFindDisplay (&XDamageExtensionInfo, dpy); - if (!info) - info = XDamageExtAddDisplay (&XDamageExtensionInfo, dpy, - XDamageExtensionName); - return info; -} - -static int -XDamageCloseDisplay (Display *dpy, XExtCodes *codes) -{ - return XDamageExtRemoveDisplay (&XDamageExtensionInfo, dpy); -} - -static Bool -XDamageWireToEvent(Display *dpy, XEvent *event, xEvent *wire) -{ - XDamageExtDisplayInfo *info = XDamageFindDisplay(dpy); - - XDamageCheckExtension(dpy, info, False); - - switch ((wire->u.u.type & 0x7F) - info->codes->first_event) - { - case XDamageNotify: { - XDamageNotifyEvent *aevent = (XDamageNotifyEvent *) event; - xDamageNotifyEvent *awire = (xDamageNotifyEvent *) wire; - - aevent->type = awire->type & 0x7F; - aevent->serial = _XSetLastRequestRead(dpy, - (xGenericReply *) wire); - aevent->send_event = (awire->type & 0x80) != 0; - aevent->display = dpy; - aevent->drawable = awire->drawable; - aevent->damage = awire->damage; - aevent->level = awire->level; - aevent->timestamp = awire->timestamp; - aevent->area.x = awire->area.x; - aevent->area.y = awire->area.y; - aevent->area.width = awire->area.width; - aevent->area.height = awire->area.height; - aevent->geometry.x = awire->geometry.x; - aevent->geometry.y = awire->geometry.y; - aevent->geometry.width = awire->geometry.width; - aevent->geometry.height = awire->geometry.height; - return True; - } - } - return False; -} - -static Status -XDamageEventToWire(Display *dpy, XEvent *event, xEvent *wire) -{ - XDamageExtDisplayInfo *info = XDamageFindDisplay(dpy); - - XDamageCheckExtension(dpy, info, False); - - switch ((event->type & 0x7F) - info->codes->first_event) - { - case XDamageNotify: { - XDamageNotifyEvent *aevent; - xDamageNotifyEvent *awire; - awire = (xDamageNotifyEvent *) wire; - aevent = (XDamageNotifyEvent *) event; - awire->type = aevent->type | (aevent->send_event ? 0x80 : 0); - awire->drawable = aevent->drawable; - awire->damage = aevent->damage; - awire->level = aevent->level; - awire->timestamp = aevent->timestamp; - awire->area.x = aevent->area.x; - awire->area.y = aevent->area.y; - awire->area.width = aevent->area.width; - awire->area.height = aevent->area.height; - awire->geometry.x = aevent->geometry.x; - awire->geometry.y = aevent->geometry.y; - awire->geometry.width = aevent->geometry.width; - awire->geometry.height = aevent->geometry.height; - return True; - } - } - return False; -} - -Bool -XDamageQueryExtension (Display *dpy, int *event_basep, int *error_basep) -{ - XDamageExtDisplayInfo *info = XDamageFindDisplay (dpy); - - if (XDamageHasExtension(info)) - { - *event_basep = info->codes->first_event; - *error_basep = info->codes->first_error; - return True; - } - else - return False; -} - -Status -XDamageQueryVersion (Display *dpy, - int *major_versionp, - int *minor_versionp) -{ - XDamageExtDisplayInfo *info = XDamageFindDisplay (dpy); - - XDamageCheckExtension (dpy, info, 0); - - *major_versionp = info->major_version; - *minor_versionp = info->minor_version; - UnlockDisplay (dpy); - SyncHandle (); - return 1; -} - -Damage -XDamageCreate (Display *dpy, Drawable drawable, int level) -{ - XDamageExtDisplayInfo *info = XDamageFindDisplay (dpy); - xDamageCreateReq *req; - Damage damage; - - XDamageCheckExtension (dpy, info, 0); - LockDisplay (dpy); - GetReq (DamageCreate, req); - req->reqType = info->codes->major_opcode; - req->damageReqType = X_DamageCreate; - req->damage = damage = XAllocID (dpy); - req->drawable = drawable; - req->level = level; - UnlockDisplay (dpy); - SyncHandle (); - return damage; -} - -void -XDamageDestroy (Display *dpy, Damage damage) -{ - XDamageExtDisplayInfo *info = XDamageFindDisplay (dpy); - xDamageDestroyReq *req; - - XDamageSimpleCheckExtension (dpy, info); - LockDisplay (dpy); - GetReq (DamageDestroy, req); - req->reqType = info->codes->major_opcode; - req->damageReqType = X_DamageDestroy; - req->damage = damage; - UnlockDisplay (dpy); - SyncHandle (); -} - -void -XDamageSubtract (Display *dpy, Damage damage, - XserverRegion repair, XserverRegion parts) -{ - XDamageExtDisplayInfo *info = XDamageFindDisplay (dpy); - xDamageSubtractReq *req; - - XDamageSimpleCheckExtension (dpy, info); - LockDisplay (dpy); - GetReq (DamageSubtract, req); - req->reqType = info->codes->major_opcode; - req->damageReqType = X_DamageSubtract; - req->damage = damage; - req->repair = repair; - req->parts = parts; - UnlockDisplay (dpy); - SyncHandle (); -} |