3e745745fe
RandR is getting too big to live in one file; split into one file per object type (crtc, mode, screen), leaving the rest of the code in randr.c. Code is slowly approaching the point where it will drop-in as a replacement for the old 1.0 implementation.
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/*
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* Copyright © 2006 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "randrstr.h"
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static RESTYPE ModeType;
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RRModePtr
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RRModeGet (ScreenPtr pScreen,
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xRRModeInfo *modeInfo,
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char *name)
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{
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rrScrPriv (pScreen);
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int i;
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RRModePtr mode;
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for (i = 0; i < pScrPriv->numModes; i++)
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{
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mode = pScrPriv->modes[i];
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if (!memcmp (modeInfo, &mode->mode, sizeof (xRRModeInfo)) &&
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!memcmp (name, mode->name, modeInfo->nameLength))
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{
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++mode->refcnt;
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return mode;
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}
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}
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mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
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mode->refcnt = 1;
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mode->mode = *modeInfo;
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mode->name = (char *) (mode + 1);
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memcpy (mode->name, name, modeInfo->nameLength);
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mode->name[modeInfo->nameLength] = '\0';
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mode->id = FakeClientID(0);
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if (!AddResource (mode->id, ModeType, (pointer) mode))
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return NULL;
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++mode->refcnt;
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pScrPriv->changed = TRUE;
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return mode;
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}
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void
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RRModeDestroy (RRModePtr mode)
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{
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if (--mode->refcnt > 0)
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return;
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xfree (mode);
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}
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static int
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RRModeDestroyResource (pointer value, XID pid)
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{
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RRModeDestroy ((RRModePtr) value);
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return 1;
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}
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Bool
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RRModeInit (void)
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{
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ModeType = CreateNewResourceType (RRModeDestroyResource);
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if (!ModeType)
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return FALSE;
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#ifdef XResExtension
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RegisterResourceName (ModeType, "MODE");
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#endif
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return TRUE;
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}
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