2006-09-17 08:21:37 +02:00
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/*
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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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2006-09-18 08:03:23 +02:00
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RESTYPE RRModeType;
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2006-09-17 08:21:37 +02:00
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2006-10-04 06:06:11 +02:00
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static Bool
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RRModeEqual (xRRModeInfo *a, xRRModeInfo *b)
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{
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if (a->width != b->width) return FALSE;
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if (a->height != b->height) return FALSE;
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if (a->dotClock != b->dotClock) return FALSE;
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if (a->hSyncStart != b->hSyncStart) return FALSE;
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if (a->hSyncEnd != b->hSyncEnd) return FALSE;
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if (a->hTotal != b->hTotal) return FALSE;
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if (a->hSkew != b->hSkew) return FALSE;
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if (a->vSyncStart != b->vSyncStart) return FALSE;
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if (a->vSyncEnd != b->vSyncEnd) return FALSE;
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if (a->vTotal != b->vTotal) return FALSE;
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if (a->nameLength != b->nameLength) return FALSE;
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if (a->modeFlags != b->modeFlags) return FALSE;
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return TRUE;
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}
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2006-11-09 06:36:35 +01:00
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/*
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* Keep a list so it's easy to find modes in the resource database.
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*/
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static int num_modes;
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static RRModePtr *modes;
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2006-09-17 08:21:37 +02:00
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RRModePtr
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2006-11-09 06:36:35 +01:00
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RRModeGet (xRRModeInfo *modeInfo,
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2006-09-20 21:05:52 +02:00
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const char *name)
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2006-09-17 08:21:37 +02:00
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{
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int i;
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RRModePtr mode;
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2006-11-09 06:36:35 +01:00
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RRModePtr *newModes;
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2006-09-17 08:21:37 +02:00
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2006-11-09 06:36:35 +01:00
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for (i = 0; i < num_modes; i++)
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2006-09-17 08:21:37 +02:00
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{
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2006-11-09 06:36:35 +01:00
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mode = modes[i];
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2006-10-04 06:06:11 +02:00
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if (RRModeEqual (&mode->mode, modeInfo) &&
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2006-09-17 08:21:37 +02:00
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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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2006-09-18 21:18:22 +02:00
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2006-11-27 04:31:48 +01:00
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if (!RRInit ())
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return NULL;
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2006-09-17 08:21:37 +02:00
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mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
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2006-09-18 21:18:22 +02:00
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if (!mode)
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return NULL;
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2006-09-17 08:21:37 +02:00
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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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2006-10-06 07:31:35 +02:00
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mode->userDefined = FALSE;
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2006-09-18 21:18:22 +02:00
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2006-11-09 06:36:35 +01:00
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if (num_modes)
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newModes = xrealloc (modes, (num_modes + 1) * sizeof (RRModePtr));
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2006-09-18 21:18:22 +02:00
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else
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2006-11-09 06:36:35 +01:00
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newModes = xalloc (sizeof (RRModePtr));
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2006-09-18 21:18:22 +02:00
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2006-11-09 06:36:35 +01:00
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if (!newModes)
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2006-09-18 21:18:22 +02:00
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{
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xfree (mode);
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return NULL;
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}
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2006-09-19 09:46:27 +02:00
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mode->mode.id = FakeClientID(0);
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if (!AddResource (mode->mode.id, RRModeType, (pointer) mode))
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2006-09-17 08:21:37 +02:00
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return NULL;
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2006-11-09 06:36:35 +01:00
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modes = newModes;
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modes[num_modes++] = mode;
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/*
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* give the caller a reference to this mode
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*/
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2006-09-17 08:21:37 +02:00
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++mode->refcnt;
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return mode;
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}
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2006-11-09 06:36:35 +01:00
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RRModePtr *
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RRModesForScreen (ScreenPtr pScreen, int *num_ret)
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{
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rrScrPriv(pScreen);
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2006-12-13 05:16:49 +01:00
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int o, c;
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2006-11-09 06:36:35 +01:00
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RRModePtr *screen_modes;
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int num_screen_modes = 0;
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screen_modes = xalloc ((num_modes ? num_modes : 1) * sizeof (RRModePtr));
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2006-12-13 05:16:49 +01:00
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/*
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* Add modes from all outputs
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*/
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2006-11-09 06:36:35 +01:00
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for (o = 0; o < pScrPriv->numOutputs; o++)
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{
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RROutputPtr output = pScrPriv->outputs[o];
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int m, n;
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for (m = 0; m < output->numModes; m++)
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{
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RRModePtr mode = output->modes[m];
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for (n = 0; n < num_screen_modes; n++)
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if (screen_modes[n] == mode)
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break;
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if (n == num_screen_modes)
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screen_modes[num_screen_modes++] = mode;
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}
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}
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2006-12-13 05:16:49 +01:00
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/*
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* Add modes from all crtcs. The goal is to
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* make sure all available and active modes
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* are visible to the client
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*/
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for (c = 0; c < pScrPriv->numCrtcs; c++)
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{
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RRCrtcPtr crtc = pScrPriv->crtcs[c];
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RRModePtr mode = crtc->mode;
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int n;
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if (!mode) continue;
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for (n = 0; n < num_screen_modes; n++)
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if (screen_modes[n] == mode)
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break;
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if (n == num_screen_modes)
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screen_modes[num_screen_modes++] = mode;
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}
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2006-11-09 06:36:35 +01:00
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*num_ret = num_screen_modes;
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return screen_modes;
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}
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2006-09-17 08:21:37 +02:00
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void
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RRModeDestroy (RRModePtr mode)
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{
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2006-10-04 06:06:11 +02:00
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int m;
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2006-09-17 08:21:37 +02:00
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if (--mode->refcnt > 0)
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return;
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2006-11-09 06:36:35 +01:00
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for (m = 0; m < num_modes; m++)
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2006-10-04 06:06:11 +02:00
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{
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2006-11-09 06:36:35 +01:00
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if (modes[m] == mode)
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2006-10-04 06:06:11 +02:00
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{
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2006-11-09 06:36:35 +01:00
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memmove (modes + m, modes + m + 1,
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(num_modes - m - 1) * sizeof (RRModePtr));
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num_modes--;
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if (!num_modes)
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2006-10-04 06:06:11 +02:00
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{
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2006-11-09 06:36:35 +01:00
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xfree (modes);
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modes = NULL;
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2006-10-04 06:06:11 +02:00
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}
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break;
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}
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}
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2006-09-17 08:21:37 +02:00
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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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2006-11-09 06:36:35 +01:00
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assert (num_modes == 0);
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assert (modes == NULL);
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2006-09-18 08:03:23 +02:00
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RRModeType = CreateNewResourceType (RRModeDestroyResource);
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if (!RRModeType)
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2006-09-17 08:21:37 +02:00
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return FALSE;
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#ifdef XResExtension
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2006-09-18 08:03:23 +02:00
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RegisterResourceName (RRModeType, "MODE");
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2006-09-17 08:21:37 +02:00
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#endif
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return TRUE;
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}
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2006-09-20 07:48:54 +02:00
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int
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ProcRRCreateMode (ClientPtr client)
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{
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REQUEST(xRRCreateModeReq);
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REQUEST_SIZE_MATCH(xRRCreateModeReq);
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(void) stuff;
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return BadImplementation;
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}
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int
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ProcRRDestroyMode (ClientPtr client)
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{
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REQUEST(xRRDestroyModeReq);
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REQUEST_SIZE_MATCH(xRRDestroyModeReq);
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(void) stuff;
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return BadImplementation;
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}
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int
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ProcRRAddOutputMode (ClientPtr client)
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{
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REQUEST(xRRAddOutputModeReq);
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REQUEST_SIZE_MATCH(xRRAddOutputModeReq);
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(void) stuff;
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return BadImplementation;
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}
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int
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ProcRRDeleteOutputMode (ClientPtr client)
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{
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REQUEST(xRRDeleteOutputModeReq);
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REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq);
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(void) stuff;
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return BadImplementation;
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}
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