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sync code with last improvements from OpenBSD

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purplerain 2023-08-28 05:57:34 +00:00
commit 88965415ff
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
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driver/xf86-video-vmware/vmwarectrl/libvmwarectrl.c Normal file
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/*
* Copyright 2006 by VMware, Inc.
*
* 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 copyright holder(s)
* and author(s) 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 copyright holder(s) and author(s).
*/
/*
* libvmwarectrl.c --
*
* The VMWARE_CTRL client library.
*/
#include <X11/Xlibint.h>
#include "libvmwarectrl.h"
#include "vmwarectrlproto.h"
#include <X11/extensions/Xext.h>
#include <X11/extensions/extutil.h>
/*
* Static data and functions.
*/
static XExtensionInfo _vmwarectrl_info_data;
static XExtensionInfo *vmwarectrl_info = &_vmwarectrl_info_data;
static char *vmwarectrl_extension_name = VMWARE_CTRL_PROTOCOL_NAME;
#define VMwareCtrlCheckExtension(dpy, i, val) \
XextCheckExtension(dpy, i, vmwarectrl_extension_name, val)
static int close_display(Display *dpy, XExtCodes *codes);
static /* const */ XExtensionHooks vmwarectrl_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_CLOSE_DISPLAY (close_display, vmwarectrl_info)
static XEXT_GENERATE_FIND_DISPLAY (find_display, vmwarectrl_info,
vmwarectrl_extension_name,
&vmwarectrl_extension_hooks,
0, NULL)
/*
*----------------------------------------------------------------------------
*
* VMwareCtrl_QueryExtension --
*
* Standard QueryExtension implementation. Not very interesting for
* VMWARE_CTRL as it doesn't define any events or errors.
*
* Results:
* True if information is successfully retrieved. False otherwise.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------------
*/
Bool
VMwareCtrl_QueryExtension(Display *dpy, // IN:
int *event_basep, // OUT:
int *error_basep) // OUT:
{
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;
}
}
/*
*----------------------------------------------------------------------------
*
* VMwareCtrl_QueryVersion --
*
* Send the QueryVersion command to the driver and return the results.
*
* Results:
* True if information is successfully retrieved. False otherwise.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------------
*/
Bool
VMwareCtrl_QueryVersion(Display *dpy, // IN:
int *majorVersion, // OUT:
int *minorVersion) // OUT:
{
xVMwareCtrlQueryVersionReply rep;
xVMwareCtrlQueryVersionReq *req;
XExtDisplayInfo *info = find_display(dpy);
Bool ret = False;
VMwareCtrlCheckExtension(dpy, info, False);
LockDisplay(dpy);
GetReq(VMwareCtrlQueryVersion, req);
req->reqType = info->codes->major_opcode;
req->VMwareCtrlReqType = X_VMwareCtrlQueryVersion;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
goto exit;
}
*majorVersion = rep.majorVersion;
*minorVersion = rep.minorVersion;
ret = True;
exit:
UnlockDisplay(dpy);
SyncHandle();
return ret;
}
/*
*----------------------------------------------------------------------------
*
* VMwareCtrl_SetRes --
*
* Send the SetRes command to the driver.
*
* Results:
* True if the resolution was set. False otherwise.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------------
*/
Bool
VMwareCtrl_SetRes(Display *dpy, // IN:
int screen, // IN:
int x, // IN:
int y) // IN:
{
xVMwareCtrlSetResReply rep;
xVMwareCtrlSetResReq *req;
XExtDisplayInfo *info = find_display(dpy);
Bool ret = False;
VMwareCtrlCheckExtension(dpy, info, False);
LockDisplay(dpy);
GetReq(VMwareCtrlSetRes, req);
req->reqType = info->codes->major_opcode;
req->VMwareCtrlReqType = X_VMwareCtrlSetRes;
req->screen = screen;
req->x = x;
req->y = y;
if (!_XReply(dpy, (xReply *)&rep,
(SIZEOF(xVMwareCtrlSetResReply) - SIZEOF(xReply)) >> 2,
xFalse)) {
goto exit;
}
ret = True;
exit:
UnlockDisplay(dpy);
SyncHandle();
return ret;
}
/*
*----------------------------------------------------------------------------
*
* VMwareCtrl_SetTopology --
*
* Send the SetTopology command to the driver.
*
* Results:
* True if the resolution and xinerama topology were set. False otherwise.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------------
*/
Bool
VMwareCtrl_SetTopology(Display *dpy, // IN:
int screen, // IN:
xXineramaScreenInfo extents[], // IN:
int number) // IN:
{
xVMwareCtrlSetTopologyReply rep;
xVMwareCtrlSetTopologyReq *req;
XExtDisplayInfo *info = find_display(dpy);
Bool ret = False;
long len;
VMwareCtrlCheckExtension(dpy, info, False);
LockDisplay(dpy);
GetReq(VMwareCtrlSetTopology, req);
req->reqType = info->codes->major_opcode;
req->VMwareCtrlReqType = X_VMwareCtrlSetTopology;
req->screen = screen;
req->number = number;
len = ((long) number) << 1;
SetReqLen(req, len, len);
len <<= 2;
_XSend(dpy, (char *)extents, len);
if (!_XReply(dpy, (xReply *)&rep,
(SIZEOF(xVMwareCtrlSetTopologyReply) - SIZEOF(xReply)) >> 2,
xFalse)) {
goto exit;
}
ret = True;
exit:
UnlockDisplay(dpy);
SyncHandle();
return ret;
}