86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
|
/*
|
||
|
* Copyright © 2006 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 the copyright holders not be used in advertising or
|
||
|
* publicity pertaining to distribution of the software without specific,
|
||
|
* written prior permission. The copyright holders make no representations
|
||
|
* about the suitability of this software for any purpose. It is provided "as
|
||
|
* is" without express or implied warranty.
|
||
|
*
|
||
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
||
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
||
|
* EVENT SHALL THE COPYRIGHT HOLDERS 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.
|
||
|
*/
|
||
|
|
||
|
#include "randrstr.h"
|
||
|
|
||
|
static RESTYPE ModeType;
|
||
|
|
||
|
RRModePtr
|
||
|
RRModeGet (ScreenPtr pScreen,
|
||
|
xRRModeInfo *modeInfo,
|
||
|
char *name)
|
||
|
{
|
||
|
rrScrPriv (pScreen);
|
||
|
int i;
|
||
|
RRModePtr mode;
|
||
|
|
||
|
for (i = 0; i < pScrPriv->numModes; i++)
|
||
|
{
|
||
|
mode = pScrPriv->modes[i];
|
||
|
if (!memcmp (modeInfo, &mode->mode, sizeof (xRRModeInfo)) &&
|
||
|
!memcmp (name, mode->name, modeInfo->nameLength))
|
||
|
{
|
||
|
++mode->refcnt;
|
||
|
return mode;
|
||
|
}
|
||
|
}
|
||
|
mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
|
||
|
mode->refcnt = 1;
|
||
|
mode->mode = *modeInfo;
|
||
|
mode->name = (char *) (mode + 1);
|
||
|
memcpy (mode->name, name, modeInfo->nameLength);
|
||
|
mode->name[modeInfo->nameLength] = '\0';
|
||
|
mode->id = FakeClientID(0);
|
||
|
if (!AddResource (mode->id, ModeType, (pointer) mode))
|
||
|
return NULL;
|
||
|
++mode->refcnt;
|
||
|
pScrPriv->changed = TRUE;
|
||
|
return mode;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
RRModeDestroy (RRModePtr mode)
|
||
|
{
|
||
|
if (--mode->refcnt > 0)
|
||
|
return;
|
||
|
xfree (mode);
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
RRModeDestroyResource (pointer value, XID pid)
|
||
|
{
|
||
|
RRModeDestroy ((RRModePtr) value);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
Bool
|
||
|
RRModeInit (void)
|
||
|
{
|
||
|
ModeType = CreateNewResourceType (RRModeDestroyResource);
|
||
|
if (!ModeType)
|
||
|
return FALSE;
|
||
|
#ifdef XResExtension
|
||
|
RegisterResourceName (ModeType, "MODE");
|
||
|
#endif
|
||
|
return TRUE;
|
||
|
}
|