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IABSD.fr/xenocara/lib/libXxf86vm/src/XF86VMode.c
matthieu
- lib/libXxf86vm/src/XF86VMode.c
-
/* Copyright (c) 1995 Kaleb S. KEITHLEY 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 Kaleb S. KEITHLEY 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 Kaleb S. KEITHLEY shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from Kaleb S. KEITHLEY. */ /* THIS IS NOT AN X CONSORTIUM STANDARD */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <X11/Xlibint.h> #include <X11/extensions/xf86vmproto.h> #include <X11/extensions/xf86vmode.h> #include <X11/extensions/Xext.h> #include <X11/extensions/extutil.h> #include <limits.h> #ifdef DEBUG #include <stdio.h> #endif #ifndef MODE_BAD #define MODE_BAD 255 #endif static XExtensionInfo _xf86vidmode_info_data; static XExtensionInfo *xf86vidmode_info = &_xf86vidmode_info_data; static const char *xf86vidmode_extension_name = XF86VIDMODENAME; #define XF86VidModeCheckExtension(dpy,i,val) \ XextCheckExtension (dpy, i, xf86vidmode_extension_name, val) /***************************************************************************** * * * private utility routines * * * *****************************************************************************/ static XEXT_CLOSE_DISPLAY_PROTO(close_display); static /* const */ XExtensionHooks xf86vidmode_extension_hooks = { NULL, /* create_gc */ NULL, /* copy_gc */ NULL, /* flush_gc */ NULL, /* free_gc */ NULL, /* create_font */ NULL, /* free_font */ close_display, /* close_display */ NULL, /* wire_to_event */ NULL, /* event_to_wire */ NULL, /* error */ NULL, /* error_string */ }; static XEXT_GENERATE_FIND_DISPLAY (find_display, xf86vidmode_info, xf86vidmode_extension_name, &xf86vidmode_extension_hooks, 0, NULL) static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xf86vidmode_info) /***************************************************************************** * * * public XFree86-VidMode Extension routines * * * *****************************************************************************/ Bool XF86VidModeQueryExtension(Display *dpy, int *event_basep, int *error_basep) { XExtDisplayInfo *info = find_display (dpy); if (XextHasExtension(info)) { *event_basep = info->codes->first_event; *error_basep = info->codes->first_error; return True; } else { return False; } } Bool XF86VidModeQueryVersion(Display* dpy, int* majorVersion, int* minorVersion) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeQueryVersionReply rep; xXF86VidModeQueryVersionReq *req; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeQueryVersion, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeQueryVersion; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } *majorVersion = rep.majorVersion; *minorVersion = rep.minorVersion; UnlockDisplay(dpy); SyncHandle(); if (*majorVersion >= 2) XF86VidModeSetClientVersion(dpy); return True; } Bool XF86VidModeSetClientVersion(Display *dpy) { XExtDisplayInfo *info = find_display(dpy); xXF86VidModeSetClientVersionReq *req; XF86VidModeCheckExtension(dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeSetClientVersion, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeSetClientVersion; req->major = XF86VIDMODE_MAJOR_VERSION; req->minor = XF86VIDMODE_MINOR_VERSION; UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeSetGamma(Display *dpy, int screen, XF86VidModeGamma *Gamma) { XExtDisplayInfo *info = find_display(dpy); xXF86VidModeSetGammaReq *req; XF86VidModeCheckExtension(dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeSetGamma, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeSetGamma; req->screen = screen; req->red = (CARD32)(Gamma->red * 10000.); req->green = (CARD32)(Gamma->green * 10000.); req->blue = (CARD32)(Gamma->blue * 10000.); UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeGetGamma(Display *dpy, int screen, XF86VidModeGamma *Gamma) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetGammaReply rep; xXF86VidModeGetGammaReq *req; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeGetGamma, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetGamma; req->screen = screen; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } Gamma->red = ((float)rep.red) / 10000.; Gamma->green = ((float)rep.green) / 10000.; Gamma->blue = ((float)rep.blue) / 10000.; UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeGetModeLine(Display* dpy, int screen, int* dotclock, XF86VidModeModeLine* modeline) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetModeLineReq *req; int majorVersion, minorVersion; CARD32 remaining_len; Bool result = True; XF86VidModeCheckExtension (dpy, info, False); XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); LockDisplay(dpy); GetReq(XF86VidModeGetModeLine, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetModeLine; req->screen = screen; if (_X_UNLIKELY(majorVersion < 2)) { xXF86OldVidModeGetModeLineReply oldrep; if (!_XReply(dpy, (xReply *)&oldrep, (SIZEOF(xXF86OldVidModeGetModeLineReply) - SIZEOF(xReply)) >> 2, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } remaining_len = oldrep.length - ((SIZEOF(xXF86OldVidModeGetModeLineReply) - SIZEOF(xReply)) >> 2); *dotclock = oldrep.dotclock; modeline->hdisplay = oldrep.hdisplay; modeline->hsyncstart = oldrep.hsyncstart; modeline->hsyncend = oldrep.hsyncend; modeline->htotal = oldrep.htotal; modeline->hskew = 0; modeline->vdisplay = oldrep.vdisplay; modeline->vsyncstart = oldrep.vsyncstart; modeline->vsyncend = oldrep.vsyncend; modeline->vtotal = oldrep.vtotal; modeline->flags = oldrep.flags; modeline->privsize = oldrep.privsize; } else { xXF86VidModeGetModeLineReply rep; if (!_XReply(dpy, (xReply *)&rep, (SIZEOF(xXF86VidModeGetModeLineReply) - SIZEOF(xReply)) >> 2, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } remaining_len = rep.length - ((SIZEOF(xXF86VidModeGetModeLineReply) - SIZEOF(xReply)) >> 2); *dotclock = rep.dotclock; modeline->hdisplay = rep.hdisplay; modeline->hsyncstart = rep.hsyncstart; modeline->hsyncend = rep.hsyncend; modeline->htotal = rep.htotal; modeline->hskew = rep.hskew; modeline->vdisplay = rep.vdisplay; modeline->vsyncstart = rep.vsyncstart; modeline->vsyncend = rep.vsyncend; modeline->vtotal = rep.vtotal; modeline->flags = rep.flags; modeline->privsize = rep.privsize; } if (modeline->privsize > 0) { if (modeline->privsize < (INT_MAX / sizeof(INT32))) modeline->private = Xcalloc(modeline->privsize, sizeof(INT32)); else modeline->private = NULL; if (modeline->private == NULL) { _XEatDataWords(dpy, remaining_len); result = False; } else _XRead(dpy, (char*)modeline->private, modeline->privsize * sizeof(INT32)); } else { modeline->private = NULL; } UnlockDisplay(dpy); SyncHandle(); return result; } Bool XF86VidModeGetAllModeLines(Display* dpy, int screen, int* modecount, XF86VidModeModeInfo ***modelinesPtr) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetAllModeLinesReply rep; xXF86VidModeGetAllModeLinesReq *req; XF86VidModeModeInfo *mdinfptr, **modelines; xXF86VidModeModeInfo xmdline; xXF86OldVidModeModeInfo oldxmdline; unsigned int i; int majorVersion, minorVersion; Bool protocolBug = False; XF86VidModeCheckExtension (dpy, info, False); /* * Note: There was a bug in the protocol implementation in versions * 0.x with x < 8 (the .private field wasn't being passed over the wire). * Check the server's version, and accept the old format if appropriate. */ XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); if (majorVersion == 0 && minorVersion < 8) { protocolBug = True; #ifdef DEBUG fprintf(stderr, "XF86VidModeGetAllModeLines: Warning: Xserver is" "running an old version (%d.%d)\n", majorVersion, minorVersion); #endif } LockDisplay(dpy); GetReq(XF86VidModeGetAllModeLines, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetAllModeLines; req->screen = screen; if (!_XReply(dpy, (xReply *)&rep, (SIZEOF(xXF86VidModeGetAllModeLinesReply) - SIZEOF(xReply)) >> 2, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } *modecount = rep.modecount; if (!(modelines = (XF86VidModeModeInfo **) Xcalloc(rep.modecount, sizeof(XF86VidModeModeInfo *) +sizeof(XF86VidModeModeInfo)))) { _XEatDataWords(dpy, rep.length - ((SIZEOF(xXF86VidModeGetAllModeLinesReply) - SIZEOF(xReply)) >> 2)); UnlockDisplay(dpy); SyncHandle(); return False; } mdinfptr = (XF86VidModeModeInfo *) ( (char *) modelines + rep.modecount*sizeof(XF86VidModeModeInfo *) ); for (i = 0; i < rep.modecount; i++) { modelines[i] = mdinfptr++; if (_X_UNLIKELY(majorVersion < 2)) { _XRead(dpy, (char*)&oldxmdline, sizeof(xXF86OldVidModeModeInfo)); modelines[i]->dotclock = oldxmdline.dotclock; modelines[i]->hdisplay = oldxmdline.hdisplay; modelines[i]->hsyncstart = oldxmdline.hsyncstart; modelines[i]->hsyncend = oldxmdline.hsyncend; modelines[i]->htotal = oldxmdline.htotal; modelines[i]->hskew = 0; modelines[i]->vdisplay = oldxmdline.vdisplay; modelines[i]->vsyncstart = oldxmdline.vsyncstart; modelines[i]->vsyncend = oldxmdline.vsyncend; modelines[i]->vtotal = oldxmdline.vtotal; modelines[i]->flags = oldxmdline.flags; if (protocolBug) { modelines[i]->privsize = 0; modelines[i]->private = NULL; } else { modelines[i]->privsize = oldxmdline.privsize; if (oldxmdline.privsize > 0) { if (!(modelines[i]->private = Xcalloc(oldxmdline.privsize, sizeof(INT32)))) { _XEatDataWords(dpy, oldxmdline.privsize); } else { _XRead(dpy, (char*)modelines[i]->private, oldxmdline.privsize * sizeof(INT32)); } } else { modelines[i]->private = NULL; } } } else { _XRead(dpy, (char*)&xmdline, sizeof(xXF86VidModeModeInfo)); modelines[i]->dotclock = xmdline.dotclock; modelines[i]->hdisplay = xmdline.hdisplay; modelines[i]->hsyncstart = xmdline.hsyncstart; modelines[i]->hsyncend = xmdline.hsyncend; modelines[i]->htotal = xmdline.htotal; modelines[i]->hskew = xmdline.hskew; modelines[i]->vdisplay = xmdline.vdisplay; modelines[i]->vsyncstart = xmdline.vsyncstart; modelines[i]->vsyncend = xmdline.vsyncend; modelines[i]->vtotal = xmdline.vtotal; modelines[i]->flags = xmdline.flags; if (protocolBug) { modelines[i]->privsize = 0; modelines[i]->private = NULL; } else { modelines[i]->privsize = xmdline.privsize; if (xmdline.privsize > 0) { if (!(modelines[i]->private = Xcalloc(xmdline.privsize, sizeof(INT32)))) { _XEatDataWords(dpy, xmdline.privsize); } else { _XRead(dpy, (char*)modelines[i]->private, xmdline.privsize * sizeof(INT32)); } } else { modelines[i]->private = NULL; } } } } *modelinesPtr = modelines; UnlockDisplay(dpy); SyncHandle(); return True; } /* * GetReq replacement for use with VidMode protocols earlier than 2.0 */ #define GetOldReq(name, oldname, req) \ WORD64ALIGN\ if ((dpy->bufptr + SIZEOF(x##oldname##Req)) > dpy->bufmax)\ _XFlush(dpy);\ req = (x##oldname##Req *)(dpy->last_req = dpy->bufptr);\ req->reqType = X_##name;\ req->length = (SIZEOF(x##oldname##Req))>>2;\ dpy->bufptr += SIZEOF(x##oldname##Req);\ dpy->request++ Bool XF86VidModeAddModeLine(Display *dpy, int screen, XF86VidModeModeInfo* newmodeline, XF86VidModeModeInfo* aftermodeline) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeAddModeLineReq *req; xXF86OldVidModeAddModeLineReq *oldreq; int majorVersion, minorVersion; XF86VidModeCheckExtension (dpy, info, False); XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); LockDisplay(dpy); if (_X_UNLIKELY(majorVersion < 2)) { GetOldReq(XF86VidModeAddModeLine, XF86OldVidModeAddModeLine, oldreq); oldreq->reqType = info->codes->major_opcode; oldreq->xf86vidmodeReqType = X_XF86VidModeAddModeLine; oldreq->screen = screen; oldreq->dotclock = newmodeline->dotclock; oldreq->hdisplay = newmodeline->hdisplay; oldreq->hsyncstart = newmodeline->hsyncstart; oldreq->hsyncend = newmodeline->hsyncend; oldreq->htotal = newmodeline->htotal; oldreq->vdisplay = newmodeline->vdisplay; oldreq->vsyncstart = newmodeline->vsyncstart; oldreq->vsyncend = newmodeline->vsyncend; oldreq->vtotal = newmodeline->vtotal; oldreq->flags = newmodeline->flags; oldreq->privsize = newmodeline->privsize; if (aftermodeline != NULL) { oldreq->after_dotclock = aftermodeline->dotclock; oldreq->after_hdisplay = aftermodeline->hdisplay; oldreq->after_hsyncstart = aftermodeline->hsyncstart; oldreq->after_hsyncend = aftermodeline->hsyncend; oldreq->after_htotal = aftermodeline->htotal; oldreq->after_vdisplay = aftermodeline->vdisplay; oldreq->after_vsyncstart = aftermodeline->vsyncstart; oldreq->after_vsyncend = aftermodeline->vsyncend; oldreq->after_vtotal = aftermodeline->vtotal; oldreq->after_flags = aftermodeline->flags; } else { oldreq->after_dotclock = 0; oldreq->after_hdisplay = 0; oldreq->after_hsyncstart = 0; oldreq->after_hsyncend = 0; oldreq->after_htotal = 0; oldreq->after_vdisplay = 0; oldreq->after_vsyncstart = 0; oldreq->after_vsyncend = 0; oldreq->after_vtotal = 0; oldreq->after_flags = 0; } if (newmodeline->privsize) { oldreq->length += newmodeline->privsize; Data32(dpy, (long *) newmodeline->private, newmodeline->privsize * sizeof(INT32)); } } else { GetReq(XF86VidModeAddModeLine, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeAddModeLine; req->screen = screen; req->dotclock = newmodeline->dotclock; req->hdisplay = newmodeline->hdisplay; req->hsyncstart = newmodeline->hsyncstart; req->hsyncend = newmodeline->hsyncend; req->htotal = newmodeline->htotal; req->hskew = newmodeline->hskew; req->vdisplay = newmodeline->vdisplay; req->vsyncstart = newmodeline->vsyncstart; req->vsyncend = newmodeline->vsyncend; req->vtotal = newmodeline->vtotal; req->flags = newmodeline->flags; req->privsize = newmodeline->privsize; if (aftermodeline != NULL) { req->after_dotclock = aftermodeline->dotclock; req->after_hdisplay = aftermodeline->hdisplay; req->after_hsyncstart = aftermodeline->hsyncstart; req->after_hsyncend = aftermodeline->hsyncend; req->after_htotal = aftermodeline->htotal; req->after_hskew = aftermodeline->hskew; req->after_vdisplay = aftermodeline->vdisplay; req->after_vsyncstart = aftermodeline->vsyncstart; req->after_vsyncend = aftermodeline->vsyncend; req->after_vtotal = aftermodeline->vtotal; req->after_flags = aftermodeline->flags; } else { req->after_dotclock = 0; req->after_hdisplay = 0; req->after_hsyncstart = 0; req->after_hsyncend = 0; req->after_htotal = 0; req->after_hskew = 0; req->after_vdisplay = 0; req->after_vsyncstart = 0; req->after_vsyncend = 0; req->after_vtotal = 0; req->after_flags = 0; } if (newmodeline->privsize) { req->length += newmodeline->privsize; Data32(dpy, (long *) newmodeline->private, newmodeline->privsize * sizeof(INT32)); } } UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeDeleteModeLine(Display *dpy, int screen, XF86VidModeModeInfo* modeline) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeDeleteModeLineReq *req; xXF86OldVidModeDeleteModeLineReq *oldreq; int majorVersion, minorVersion; XF86VidModeCheckExtension (dpy, info, 0); XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); LockDisplay(dpy); if (_X_UNLIKELY(majorVersion < 2)) { GetOldReq(XF86VidModeDeleteModeLine, XF86OldVidModeDeleteModeLine, oldreq); oldreq->reqType = info->codes->major_opcode; oldreq->xf86vidmodeReqType = X_XF86VidModeDeleteModeLine; oldreq->screen = screen; oldreq->dotclock = modeline->dotclock; oldreq->hdisplay = modeline->hdisplay; oldreq->hsyncstart = modeline->hsyncstart; oldreq->hsyncend = modeline->hsyncend; oldreq->htotal = modeline->htotal; oldreq->vdisplay = modeline->vdisplay; oldreq->vsyncstart = modeline->vsyncstart; oldreq->vsyncend = modeline->vsyncend; oldreq->vtotal = modeline->vtotal; oldreq->flags = modeline->flags; oldreq->privsize = modeline->privsize; if (modeline->privsize) { oldreq->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } else { GetReq(XF86VidModeDeleteModeLine, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeDeleteModeLine; req->screen = screen; req->dotclock = modeline->dotclock; req->hdisplay = modeline->hdisplay; req->hsyncstart = modeline->hsyncstart; req->hsyncend = modeline->hsyncend; req->htotal = modeline->htotal; req->hskew = modeline->hskew; req->vdisplay = modeline->vdisplay; req->vsyncstart = modeline->vsyncstart; req->vsyncend = modeline->vsyncend; req->vtotal = modeline->vtotal; req->flags = modeline->flags; req->privsize = modeline->privsize; if (modeline->privsize) { req->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeModModeLine(Display *dpy, int screen, XF86VidModeModeLine* modeline) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeModModeLineReq *req; xXF86OldVidModeModModeLineReq *oldreq; int majorVersion, minorVersion; XF86VidModeCheckExtension (dpy, info, 0); XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); LockDisplay(dpy); if (_X_UNLIKELY(majorVersion < 2)) { GetOldReq(XF86VidModeModModeLine, XF86OldVidModeModModeLine, oldreq); oldreq->reqType = info->codes->major_opcode; oldreq->xf86vidmodeReqType = X_XF86VidModeModModeLine; oldreq->screen = screen; oldreq->hdisplay = modeline->hdisplay; oldreq->hsyncstart = modeline->hsyncstart; oldreq->hsyncend = modeline->hsyncend; oldreq->htotal = modeline->htotal; oldreq->vdisplay = modeline->vdisplay; oldreq->vsyncstart = modeline->vsyncstart; oldreq->vsyncend = modeline->vsyncend; oldreq->vtotal = modeline->vtotal; oldreq->flags = modeline->flags; oldreq->privsize = modeline->privsize; if (modeline->privsize) { oldreq->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } else { GetReq(XF86VidModeModModeLine, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeModModeLine; req->screen = screen; req->hdisplay = modeline->hdisplay; req->hsyncstart = modeline->hsyncstart; req->hsyncend = modeline->hsyncend; req->htotal = modeline->htotal; req->hskew = modeline->hskew; req->vdisplay = modeline->vdisplay; req->vsyncstart = modeline->vsyncstart; req->vsyncend = modeline->vsyncend; req->vtotal = modeline->vtotal; req->flags = modeline->flags; req->privsize = modeline->privsize; if (modeline->privsize) { req->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } UnlockDisplay(dpy); SyncHandle(); return True; } Status XF86VidModeValidateModeLine(Display *dpy, int screen, XF86VidModeModeInfo* modeline) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeValidateModeLineReq *req; xXF86OldVidModeValidateModeLineReq *oldreq; xXF86VidModeValidateModeLineReply rep; int majorVersion, minorVersion; XF86VidModeCheckExtension (dpy, info, 0); XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); LockDisplay(dpy); if (_X_UNLIKELY(majorVersion < 2)) { GetOldReq(XF86VidModeValidateModeLine, XF86OldVidModeValidateModeLine, oldreq); oldreq->reqType = info->codes->major_opcode; oldreq->xf86vidmodeReqType = X_XF86VidModeValidateModeLine; oldreq->screen = screen; oldreq->dotclock = modeline->dotclock; oldreq->hdisplay = modeline->hdisplay; oldreq->hsyncstart = modeline->hsyncstart; oldreq->hsyncend = modeline->hsyncend; oldreq->htotal = modeline->htotal; oldreq->vdisplay = modeline->vdisplay; oldreq->vsyncstart = modeline->vsyncstart; oldreq->vsyncend = modeline->vsyncend; oldreq->vtotal = modeline->vtotal; oldreq->flags = modeline->flags; oldreq->privsize = modeline->privsize; if (modeline->privsize) { oldreq->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } else { GetReq(XF86VidModeValidateModeLine, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeValidateModeLine; req->screen = screen; req->dotclock = modeline->dotclock; req->hdisplay = modeline->hdisplay; req->hsyncstart = modeline->hsyncstart; req->hsyncend = modeline->hsyncend; req->htotal = modeline->htotal; req->hskew = modeline->hskew; req->vdisplay = modeline->vdisplay; req->vsyncstart = modeline->vsyncstart; req->vsyncend = modeline->vsyncend; req->vtotal = modeline->vtotal; req->flags = modeline->flags; req->privsize = modeline->privsize; if (modeline->privsize) { req->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return MODE_BAD; } UnlockDisplay(dpy); SyncHandle(); return rep.status; } Bool XF86VidModeSwitchMode(Display* dpy, int screen, int zoom) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeSwitchModeReq *req; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeSwitchMode, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeSwitchMode; req->screen = screen; req->zoom = zoom; UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeSwitchToMode(Display* dpy, int screen, XF86VidModeModeInfo* modeline) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeSwitchToModeReq *req; xXF86OldVidModeSwitchToModeReq *oldreq; int majorVersion, minorVersion; Bool protocolBug = False; XF86VidModeCheckExtension (dpy, info, False); /* * Note: There was a bug in the protocol implementation in versions * 0.x with x < 8 (the .private field wasn't expected to be sent over * the wire). Check the server's version, and accept the old format * if appropriate. */ XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); if (_X_UNLIKELY(majorVersion == 0 && minorVersion < 8)) { protocolBug = True; #ifdef DEBUG fprintf(stderr, "XF86VidModeSwitchToMode: Warning: Xserver is" "running an old version (%d.%d)\n", majorVersion, minorVersion); #endif } LockDisplay(dpy); if (_X_UNLIKELY(majorVersion < 2)) { GetOldReq(XF86VidModeSwitchToMode, XF86OldVidModeSwitchToMode, oldreq); oldreq->reqType = info->codes->major_opcode; oldreq->xf86vidmodeReqType = X_XF86VidModeSwitchToMode; oldreq->screen = screen; oldreq->dotclock = modeline->dotclock; oldreq->hdisplay = modeline->hdisplay; oldreq->hsyncstart = modeline->hsyncstart; oldreq->hsyncend = modeline->hsyncend; oldreq->htotal = modeline->htotal; oldreq->vdisplay = modeline->vdisplay; oldreq->vsyncstart = modeline->vsyncstart; oldreq->vsyncend = modeline->vsyncend; oldreq->vtotal = modeline->vtotal; oldreq->flags = modeline->flags; if (protocolBug) { oldreq->privsize = 0; } else { oldreq->privsize = modeline->privsize; if (modeline->privsize) { oldreq->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } } else { GetReq(XF86VidModeSwitchToMode, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeSwitchToMode; req->screen = screen; req->dotclock = modeline->dotclock; req->hdisplay = modeline->hdisplay; req->hsyncstart = modeline->hsyncstart; req->hsyncend = modeline->hsyncend; req->htotal = modeline->htotal; req->hskew = modeline->hskew; req->vdisplay = modeline->vdisplay; req->vsyncstart = modeline->vsyncstart; req->vsyncend = modeline->vsyncend; req->vtotal = modeline->vtotal; req->flags = modeline->flags; if (protocolBug) { req->privsize = 0; } else { req->privsize = modeline->privsize; if (modeline->privsize) { req->length += modeline->privsize; Data32(dpy, (long *) modeline->private, modeline->privsize * sizeof(INT32)); } } } UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeLockModeSwitch(Display* dpy, int screen, int lock) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeLockModeSwitchReq *req; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeLockModeSwitch, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeLockModeSwitch; req->screen = screen; req->lock = lock; UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeGetMonitor(Display* dpy, int screen, XF86VidModeMonitor* monitor) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetMonitorReply rep; xXF86VidModeGetMonitorReq *req; CARD32 syncrange; int i; Bool result = True; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeGetMonitor, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetMonitor; req->screen = screen; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } monitor->nhsync = rep.nhsync; monitor->nvsync = rep.nvsync; #if 0 monitor->bandwidth = (float)rep.bandwidth / 1e6; #endif if (rep.vendorLength) { monitor->vendor = Xcalloc(rep.vendorLength + 1, 1); if (monitor->vendor == NULL) result = False; } else { monitor->vendor = NULL; } if (result && rep.modelLength) { monitor->model = Xcalloc(rep.modelLength + 1, 1); if (monitor->model == NULL) result = False; } else { monitor->model = NULL; } if (result) { monitor->hsync = Xcalloc(rep.nhsync, sizeof(XF86VidModeSyncRange)); monitor->vsync = Xcalloc(rep.nvsync, sizeof(XF86VidModeSyncRange)); if ((monitor->hsync == NULL) || (monitor->vsync == NULL)) result = False; } else { monitor->hsync = monitor->vsync = NULL; } if (result == False) { _XEatDataWords(dpy, rep.length); Xfree(monitor->vendor); monitor->vendor = NULL; Xfree(monitor->model); monitor->model = NULL; Xfree(monitor->hsync); monitor->hsync = NULL; Xfree(monitor->vsync); monitor->vsync = NULL; } else { for (i = 0; i < rep.nhsync; i++) { _XRead(dpy, (char *)&syncrange, 4); monitor->hsync[i].lo = (float)(syncrange & 0xFFFF) / 100.0; monitor->hsync[i].hi = (float)(syncrange >> 16) / 100.0; } for (i = 0; i < rep.nvsync; i++) { _XRead(dpy, (char *)&syncrange, 4); monitor->vsync[i].lo = (float)(syncrange & 0xFFFF) / 100.0; monitor->vsync[i].hi = (float)(syncrange >> 16) / 100.0; } if (rep.vendorLength) _XReadPad(dpy, monitor->vendor, rep.vendorLength); if (rep.modelLength) _XReadPad(dpy, monitor->model, rep.modelLength); } UnlockDisplay(dpy); SyncHandle(); return result; } Bool XF86VidModeGetViewPort(Display* dpy, int screen, int *x, int *y) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetViewPortReply rep; xXF86VidModeGetViewPortReq *req; int majorVersion, minorVersion; Bool protocolBug = False; XF86VidModeCheckExtension (dpy, info, False); /* * Note: There was a bug in the protocol implementation in versions * 0.x with x < 8 (no reply was sent, so the client would hang) * Check the server's version, and don't wait for a reply with older * versions. */ XF86VidModeQueryVersion(dpy, &majorVersion, &minorVersion); if (majorVersion == 0 && minorVersion < 8) { protocolBug = True; #ifdef DEBUG fprintf(stderr, "XF86VidModeGetViewPort: Warning: Xserver is" "running an old version (%d.%d)\n", majorVersion, minorVersion); #endif } LockDisplay(dpy); GetReq(XF86VidModeGetViewPort, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetViewPort; req->screen = screen; if (protocolBug) { *x = 0; *y = 0; } else { if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } *x = rep.x; *y = rep.y; } UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeSetViewPort(Display* dpy, int screen, int x, int y) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeSetViewPortReq *req; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeSetViewPort, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeSetViewPort; req->screen = screen; req->x = x; req->y = y; UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeGetDotClocks(Display* dpy, int screen, int *flagsPtr, int *numclocksPtr, int *maxclocksPtr, int *clocksPtr[]) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetDotClocksReply rep; xXF86VidModeGetDotClocksReq *req; int *dotclocks; CARD32 dotclk; Bool result = True; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeGetDotClocks, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetDotClocks; req->screen = screen; if (!_XReply(dpy, (xReply *)&rep, (SIZEOF(xXF86VidModeGetDotClocksReply) - SIZEOF(xReply)) >> 2, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } *numclocksPtr = rep.clocks; *maxclocksPtr = rep.maxclocks; *flagsPtr = rep.flags; dotclocks = Xcalloc(rep.clocks, sizeof(int)); if (dotclocks == NULL) { _XEatDataWords(dpy, rep.length - ((SIZEOF(xXF86VidModeGetDotClocksReply) - SIZEOF(xReply)) >> 2)); result = False; } else { unsigned int i; for (i = 0; i < rep.clocks; i++) { _XRead(dpy, (char*)&dotclk, 4); dotclocks[i] = dotclk; } } *clocksPtr = dotclocks; UnlockDisplay(dpy); SyncHandle(); return result; } Bool XF86VidModeSetGammaRamp ( Display *dpy, int screen, int size, unsigned short *red, unsigned short *green, unsigned short *blue ) { int length = (size + 1) & ~1; XExtDisplayInfo *info = find_display (dpy); xXF86VidModeSetGammaRampReq *req; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeSetGammaRamp, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeSetGammaRamp; req->screen = screen; req->length += (length >> 1) * 3; req->size = size; _XSend(dpy, (char*)red, size * 2); _XSend(dpy, (char*)green, size * 2); _XSend(dpy, (char*)blue, size * 2); UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeGetGammaRamp ( Display *dpy, int screen, int size, unsigned short *red, unsigned short *green, unsigned short *blue ) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetGammaRampReq *req; xXF86VidModeGetGammaRampReply rep; Bool result = True; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeGetGammaRamp, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetGammaRamp; req->screen = screen; req->size = size; if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) { result = False; } else if (rep.size) { if (rep.size <= size) { _XRead(dpy, (char*)red, rep.size << 1); _XRead(dpy, (char*)green, rep.size << 1); _XRead(dpy, (char*)blue, rep.size << 1); } else { _XEatDataWords(dpy, rep.length); result = False; } } UnlockDisplay(dpy); SyncHandle(); return result; } Bool XF86VidModeGetGammaRampSize( Display *dpy, int screen, int *size ) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetGammaRampSizeReq *req; xXF86VidModeGetGammaRampSizeReply rep; *size = 0; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeGetGammaRampSize, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetGammaRampSize; req->screen = screen; if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { UnlockDisplay (dpy); SyncHandle (); return False; } *size = rep.size; UnlockDisplay(dpy); SyncHandle(); return True; } Bool XF86VidModeGetPermissions( Display *dpy, int screen, int *permissions ) { XExtDisplayInfo *info = find_display (dpy); xXF86VidModeGetPermissionsReq *req; xXF86VidModeGetPermissionsReply rep; *permissions = 0; XF86VidModeCheckExtension (dpy, info, False); LockDisplay(dpy); GetReq(XF86VidModeGetPermissions, req); req->reqType = info->codes->major_opcode; req->xf86vidmodeReqType = X_XF86VidModeGetPermissions; req->screen = screen; if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { UnlockDisplay (dpy); SyncHandle (); return False; } *permissions = rep.permissions; UnlockDisplay(dpy); SyncHandle(); return True; }