/
XF86VMode.c
1232 lines (1128 loc) · 37.3 KB
/
XF86VMode.c
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/* $XConsortium: XF86VMode.c /main/2 1995/11/14 18:17:58 kaleb $ */
/* $XFree86: xc/lib/Xxf86vm/XF86VMode.c,v 3.32 2001/07/25 15:04:54 dawes Exp $ */
/*
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.
*/
/* $XConsortium: XF86VMode.c /main/4 1996/01/16 07:52:25 kaleb CHECKEDOUT $ */
/* THIS IS NOT AN X CONSORTIUM STANDARD */
#define NEED_EVENTS
#define NEED_REPLIES
#ifndef XBUILD_IN_CLIENT
/* Apparently some X11 systems can't include this multiple times... */
#ifndef SDL_INCLUDED_XLIBINT_H
#define SDL_INCLUDED_XLIBINT_H 1
#include <X11/Xlibint.h>
#endif
#include "../extensions/xf86vmstr.h"
#include "../extensions/Xext.h"
#include "../extensions/extutil.h"
#else
#include "include/extensions/xf86vmstr.h"
#include "include/extensions/Xext.h"
#include "include/extensions/extutil.h"
#endif
#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 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
SDL_NAME(XF86VidModeQueryExtension) (dpy, event_basep, error_basep)
Display *dpy;
int *event_basep, *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
SDL_NAME(XF86VidModeQueryVersion)(dpy, majorVersion, minorVersion)
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)
SDL_NAME(XF86VidModeSetClientVersion)(dpy);
return True;
}
Bool
SDL_NAME(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
SDL_NAME(XF86VidModeSetGamma)(Display *dpy, int screen, SDL_NAME(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
SDL_NAME(XF86VidModeGetGamma)(Display *dpy, int screen, SDL_NAME(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;
}
/* this is to prevent an unaligned memory write on CPUs that need that. */
static void zap_ptr(char *ptr, size_t size)
{
memset(ptr, '\0', size);
}
Bool
SDL_NAME(XF86VidModeGetModeLine)(dpy, screen, dotclock, modeline)
Display* dpy;
int screen;
int* dotclock;
SDL_NAME(XF86VidModeModeLine)* modeline;
{
XExtDisplayInfo *info = find_display (dpy);
xXF86VidModeGetModeLineReply rep;
xXF86OldVidModeGetModeLineReply oldrep;
xXF86VidModeGetModeLineReq *req;
int majorVersion, minorVersion;
XF86VidModeCheckExtension (dpy, info, False);
SDL_NAME(XF86VidModeQueryVersion)(dpy, &majorVersion, &minorVersion);
LockDisplay(dpy);
GetReq(XF86VidModeGetModeLine, req);
req->reqType = info->codes->major_opcode;
req->xf86vidmodeReqType = X_XF86VidModeGetModeLine;
req->screen = screen;
if (majorVersion < 2) {
if (!_XReply(dpy, (xReply *)&oldrep,
(SIZEOF(xXF86OldVidModeGetModeLineReply) - SIZEOF(xReply)) >> 2, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*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 {
if (!_XReply(dpy, (xReply *)&rep,
(SIZEOF(xXF86VidModeGetModeLineReply) - SIZEOF(xReply)) >> 2, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*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->private = Xcalloc(modeline->privsize, sizeof(INT32)))) {
_XEatData(dpy, (modeline->privsize) * sizeof(INT32));
Xfree(modeline->private);
return False;
}
_XRead(dpy, (char*)modeline->private, modeline->privsize * sizeof(INT32));
} else {
zap_ptr((char *)&modeline->private, sizeof(modeline->private));
}
UnlockDisplay(dpy);
SyncHandle();
return True;
}
Bool
SDL_NAME(XF86VidModeGetAllModeLines)(dpy, screen, modecount, modelinesPtr)
Display* dpy;
int screen;
int* modecount;
SDL_NAME(XF86VidModeModeInfo) ***modelinesPtr;
{
XExtDisplayInfo *info = find_display (dpy);
xXF86VidModeGetAllModeLinesReply rep;
xXF86VidModeGetAllModeLinesReq *req;
SDL_NAME(XF86VidModeModeInfo) *mdinfptr, **modelines;
xXF86VidModeModeInfo xmdline;
xXF86OldVidModeModeInfo oldxmdline;
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.
*/
SDL_NAME(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 = (SDL_NAME(XF86VidModeModeInfo) **) Xcalloc(rep.modecount,
sizeof(SDL_NAME(XF86VidModeModeInfo) *)
+sizeof(SDL_NAME(XF86VidModeModeInfo))))) {
if (majorVersion < 2)
_XEatData(dpy, (rep.modecount) * sizeof(xXF86OldVidModeModeInfo));
else
_XEatData(dpy, (rep.modecount) * sizeof(xXF86VidModeModeInfo));
Xfree(modelines);
UnlockDisplay(dpy);
SyncHandle();
return False;
}
mdinfptr = (SDL_NAME(XF86VidModeModeInfo) *) (
(char *) modelines
+ rep.modecount*sizeof(SDL_NAME(XF86VidModeModeInfo) *)
);
for (i = 0; i < rep.modecount; i++) {
modelines[i] = mdinfptr++;
if (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)))) {
_XEatData(dpy, (oldxmdline.privsize) * sizeof(INT32));
Xfree(modelines[i]->private);
} 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)))) {
_XEatData(dpy, (xmdline.privsize) * sizeof(INT32));
Xfree(modelines[i]->private);
} 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
*/
#if !defined(UNIXCPP) || defined(ANSICPP)
#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++
#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */
#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++
#endif
Bool
SDL_NAME(XF86VidModeAddModeLine) (dpy, screen, newmodeline, aftermodeline)
Display *dpy;
int screen;
SDL_NAME(XF86VidModeModeInfo)* newmodeline;
SDL_NAME(XF86VidModeModeInfo)* aftermodeline;
{
XExtDisplayInfo *info = find_display (dpy);
xXF86VidModeAddModeLineReq *req;
xXF86OldVidModeAddModeLineReq *oldreq;
int majorVersion, minorVersion;
XF86VidModeCheckExtension (dpy, info, False);
SDL_NAME(XF86VidModeQueryVersion)(dpy, &majorVersion, &minorVersion);
LockDisplay(dpy);
if (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
SDL_NAME(XF86VidModeDeleteModeLine) (dpy, screen, modeline)
Display *dpy;
int screen;
SDL_NAME(XF86VidModeModeInfo)* modeline;
{
XExtDisplayInfo *info = find_display (dpy);
xXF86VidModeDeleteModeLineReq *req;
xXF86OldVidModeDeleteModeLineReq *oldreq;
int majorVersion, minorVersion;
XF86VidModeCheckExtension (dpy, info, 0);
SDL_NAME(XF86VidModeQueryVersion)(dpy, &majorVersion, &minorVersion);
LockDisplay(dpy);
if (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
SDL_NAME(XF86VidModeModModeLine) (dpy, screen, modeline)
Display *dpy;
int screen;
SDL_NAME(XF86VidModeModeLine)* modeline;
{
XExtDisplayInfo *info = find_display (dpy);
xXF86VidModeModModeLineReq *req;
xXF86OldVidModeModModeLineReq *oldreq;
int majorVersion, minorVersion;
XF86VidModeCheckExtension (dpy, info, 0);
SDL_NAME(XF86VidModeQueryVersion)(dpy, &majorVersion, &minorVersion);
LockDisplay(dpy);
if (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
SDL_NAME(XF86VidModeValidateModeLine) (dpy, screen, modeline)
Display *dpy;
int screen;
SDL_NAME(XF86VidModeModeInfo)* modeline;
{
XExtDisplayInfo *info = find_display (dpy);
xXF86VidModeValidateModeLineReq *req;
xXF86OldVidModeValidateModeLineReq *oldreq;
xXF86VidModeValidateModeLineReply rep;
int majorVersion, minorVersion;
XF86VidModeCheckExtension (dpy, info, 0);
SDL_NAME(XF86VidModeQueryVersion)(dpy, &majorVersion, &minorVersion);
LockDisplay(dpy);
if (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
SDL_NAME(XF86VidModeSwitchMode)(dpy, screen, zoom)
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
SDL_NAME(XF86VidModeSwitchToMode)(dpy, screen, modeline)
Display* dpy;
int screen;
SDL_NAME(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.
*/
SDL_NAME(XF86VidModeQueryVersion)(dpy, &majorVersion, &minorVersion);
if (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 (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
SDL_NAME(XF86VidModeLockModeSwitch)(dpy, screen, lock)
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
SDL_NAME(XF86VidModeGetMonitor)(dpy, screen, monitor)
Display* dpy;
int screen;
SDL_NAME(XF86VidModeMonitor)* monitor;
{
XExtDisplayInfo *info = find_display (dpy);
xXF86VidModeGetMonitorReply rep;
xXF86VidModeGetMonitorReq *req;
CARD32 syncrange;
int i;
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) {
if (!(monitor->vendor = (char *)Xcalloc(rep.vendorLength + 1, 1))) {
_XEatData(dpy, (rep.nhsync + rep.nvsync) * 4 +
((rep.vendorLength+3) & ~3) + ((rep.modelLength+3) & ~3));
UnlockDisplay(dpy);
SyncHandle();
return False;
}
} else {
monitor->vendor = NULL;
}
if (rep.modelLength) {
if (!(monitor->model = Xcalloc(rep.modelLength + 1, 1))) {
_XEatData(dpy, (rep.nhsync + rep.nvsync) * 4 +
((rep.vendorLength+3) & ~3) + ((rep.modelLength+3) & ~3));
if (monitor->vendor)
Xfree(monitor->vendor);
UnlockDisplay(dpy);
SyncHandle();
return False;
}
} else {
monitor->model = NULL;
}
if (!(monitor->hsync = Xcalloc(rep.nhsync, sizeof(SDL_NAME(XF86VidModeSyncRange))))) {
_XEatData(dpy, (rep.nhsync + rep.nvsync) * 4 +
((rep.vendorLength+3) & ~3) + ((rep.modelLength+3) & ~3));
if (monitor->vendor)
Xfree(monitor->vendor);
if (monitor->model)
Xfree(monitor->model);
UnlockDisplay(dpy);
SyncHandle();
return False;
}
if (!(monitor->vsync = Xcalloc(rep.nvsync, sizeof(SDL_NAME(XF86VidModeSyncRange))))) {
_XEatData(dpy, (rep.nhsync + rep.nvsync) * 4 +
((rep.vendorLength+3) & ~3) + ((rep.modelLength+3) & ~3));
if (monitor->vendor)
Xfree(monitor->vendor);
if (monitor->model)
Xfree(monitor->model);
Xfree(monitor->hsync);
UnlockDisplay(dpy);
SyncHandle();
return False;
}
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);
else
monitor->vendor = "";
if (rep.modelLength)
_XReadPad(dpy, monitor->model, rep.modelLength);
else