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-rw-r--r--xorg-server/randr/rroutput.c1249
1 files changed, 624 insertions, 625 deletions
diff --git a/xorg-server/randr/rroutput.c b/xorg-server/randr/rroutput.c
index 8f661a383..b57be198f 100644
--- a/xorg-server/randr/rroutput.c
+++ b/xorg-server/randr/rroutput.c
@@ -1,625 +1,624 @@
-/*
- * Copyright © 2006 Keith Packard
- * Copyright © 2008 Red Hat, Inc.
- *
- * 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"
-
-RESTYPE RROutputType;
-
-/*
- * Notify the output of some change
- */
-void
-RROutputChanged (RROutputPtr output, Bool configChanged)
-{
- ScreenPtr pScreen = output->pScreen;
-
- output->changed = TRUE;
- if (pScreen)
- {
- rrScrPriv (pScreen);
- pScrPriv->changed = TRUE;
- if (configChanged)
- pScrPriv->configChanged = TRUE;
- }
-}
-
-/*
- * Create an output
- */
-
-RROutputPtr
-RROutputCreate (ScreenPtr pScreen,
- const char *name,
- int nameLength,
- void *devPrivate)
-{
- RROutputPtr output;
- RROutputPtr *outputs;
- rrScrPrivPtr pScrPriv;
-
- if (!RRInit())
- return NULL;
-
- pScrPriv = rrGetScrPriv(pScreen);
-
- if (pScrPriv->numOutputs)
- outputs = realloc(pScrPriv->outputs,
- (pScrPriv->numOutputs + 1) * sizeof (RROutputPtr));
- else
- outputs = malloc(sizeof (RROutputPtr));
- if (!outputs)
- return FALSE;
-
- pScrPriv->outputs = outputs;
-
- output = malloc(sizeof (RROutputRec) + nameLength + 1);
- if (!output)
- return NULL;
- output->id = FakeClientID (0);
- output->pScreen = pScreen;
- output->name = (char *) (output + 1);
- output->nameLength = nameLength;
- memcpy (output->name, name, nameLength);
- output->name[nameLength] = '\0';
- output->connection = RR_UnknownConnection;
- output->subpixelOrder = SubPixelUnknown;
- output->mmWidth = 0;
- output->mmHeight = 0;
- output->crtc = NULL;
- output->numCrtcs = 0;
- output->crtcs = NULL;
- output->numClones = 0;
- output->clones = NULL;
- output->numModes = 0;
- output->numPreferred = 0;
- output->modes = NULL;
- output->numUserModes = 0;
- output->userModes = NULL;
- output->properties = NULL;
- output->pendingProperties = FALSE;
- output->changed = FALSE;
- output->devPrivate = devPrivate;
-
- if (!AddResource (output->id, RROutputType, (pointer) output))
- return NULL;
-
- pScrPriv->outputs[pScrPriv->numOutputs++] = output;
- return output;
-}
-
-/*
- * Notify extension that output parameters have been changed
- */
-Bool
-RROutputSetClones (RROutputPtr output,
- RROutputPtr *clones,
- int numClones)
-{
- RROutputPtr *newClones;
- int i;
-
- if (numClones == output->numClones)
- {
- for (i = 0; i < numClones; i++)
- if (output->clones[i] != clones[i])
- break;
- if (i == numClones)
- return TRUE;
- }
- if (numClones)
- {
- newClones = malloc(numClones * sizeof (RROutputPtr));
- if (!newClones)
- return FALSE;
- }
- else
- newClones = NULL;
- free(output->clones);
- memcpy (newClones, clones, numClones * sizeof (RROutputPtr));
- output->clones = newClones;
- output->numClones = numClones;
- RROutputChanged (output, TRUE);
- return TRUE;
-}
-
-Bool
-RROutputSetModes (RROutputPtr output,
- RRModePtr *modes,
- int numModes,
- int numPreferred)
-{
- RRModePtr *newModes;
- int i;
-
- if (numModes == output->numModes && numPreferred == output->numPreferred)
- {
- for (i = 0; i < numModes; i++)
- if (output->modes[i] != modes[i])
- break;
- if (i == numModes)
- {
- for (i = 0; i < numModes; i++)
- RRModeDestroy (modes[i]);
- return TRUE;
- }
- }
-
- if (numModes)
- {
- newModes = malloc(numModes * sizeof (RRModePtr));
- if (!newModes)
- return FALSE;
- }
- else
- newModes = NULL;
- if (output->modes)
- {
- for (i = 0; i < output->numModes; i++)
- RRModeDestroy (output->modes[i]);
- free(output->modes);
- }
- memcpy (newModes, modes, numModes * sizeof (RRModePtr));
- output->modes = newModes;
- output->numModes = numModes;
- output->numPreferred = numPreferred;
- RROutputChanged (output, TRUE);
- return TRUE;
-}
-
-int
-RROutputAddUserMode (RROutputPtr output,
- RRModePtr mode)
-{
- int m;
- ScreenPtr pScreen = output->pScreen;
- rrScrPriv(pScreen);
- RRModePtr *newModes;
-
- /* Check to see if this mode is already listed for this output */
- for (m = 0; m < output->numModes + output->numUserModes; m++)
- {
- RRModePtr e = (m < output->numModes ?
- output->modes[m] :
- output->userModes[m - output->numModes]);
- if (mode == e)
- return Success;
- }
-
- /* Check with the DDX to see if this mode is OK */
- if (pScrPriv->rrOutputValidateMode)
- if (!pScrPriv->rrOutputValidateMode (pScreen, output, mode))
- return BadMatch;
-
- if (output->userModes)
- newModes = realloc(output->userModes,
- (output->numUserModes + 1) * sizeof (RRModePtr));
- else
- newModes = malloc(sizeof (RRModePtr));
- if (!newModes)
- return BadAlloc;
-
- output->userModes = newModes;
- output->userModes[output->numUserModes++] = mode;
- ++mode->refcnt;
- RROutputChanged (output, TRUE);
- RRTellChanged (pScreen);
- return Success;
-}
-
-int
-RROutputDeleteUserMode (RROutputPtr output,
- RRModePtr mode)
-{
- int m;
-
- /* Find this mode in the user mode list */
- for (m = 0; m < output->numUserModes; m++)
- {
- RRModePtr e = output->userModes[m];
-
- if (mode == e)
- break;
- }
- /* Not there, access error */
- if (m == output->numUserModes)
- return BadAccess;
-
- /* make sure the mode isn't active for this output */
- if (output->crtc && output->crtc->mode == mode)
- return BadMatch;
-
- memmove (output->userModes + m, output->userModes + m + 1,
- (output->numUserModes - m - 1) * sizeof (RRModePtr));
- output->numUserModes--;
- RRModeDestroy (mode);
- return Success;
-}
-
-Bool
-RROutputSetCrtcs (RROutputPtr output,
- RRCrtcPtr *crtcs,
- int numCrtcs)
-{
- RRCrtcPtr *newCrtcs;
- int i;
-
- if (numCrtcs == output->numCrtcs)
- {
- for (i = 0; i < numCrtcs; i++)
- if (output->crtcs[i] != crtcs[i])
- break;
- if (i == numCrtcs)
- return TRUE;
- }
- if (numCrtcs)
- {
- newCrtcs = malloc(numCrtcs * sizeof (RRCrtcPtr));
- if (!newCrtcs)
- return FALSE;
- }
- else
- newCrtcs = NULL;
- free(output->crtcs);
- memcpy (newCrtcs, crtcs, numCrtcs * sizeof (RRCrtcPtr));
- output->crtcs = newCrtcs;
- output->numCrtcs = numCrtcs;
- RROutputChanged (output, TRUE);
- return TRUE;
-}
-
-Bool
-RROutputSetConnection (RROutputPtr output,
- CARD8 connection)
-{
- if (output->connection == connection)
- return TRUE;
- output->connection = connection;
- RROutputChanged (output, TRUE);
- return TRUE;
-}
-
-Bool
-RROutputSetSubpixelOrder (RROutputPtr output,
- int subpixelOrder)
-{
- if (output->subpixelOrder == subpixelOrder)
- return TRUE;
-
- output->subpixelOrder = subpixelOrder;
- RROutputChanged (output, FALSE);
- return TRUE;
-}
-
-Bool
-RROutputSetPhysicalSize (RROutputPtr output,
- int mmWidth,
- int mmHeight)
-{
- if (output->mmWidth == mmWidth && output->mmHeight == mmHeight)
- return TRUE;
- output->mmWidth = mmWidth;
- output->mmHeight = mmHeight;
- RROutputChanged (output, FALSE);
- return TRUE;
-}
-
-
-void
-RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- rrScrPriv (pScreen);
- xRROutputChangeNotifyEvent oe;
- RRCrtcPtr crtc = output->crtc;
- RRModePtr mode = crtc ? crtc->mode : 0;
-
- oe.type = RRNotify + RREventBase;
- oe.subCode = RRNotify_OutputChange;
- oe.timestamp = pScrPriv->lastSetTime.milliseconds;
- oe.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
- oe.window = pWin->drawable.id;
- oe.output = output->id;
- if (crtc)
- {
- oe.crtc = crtc->id;
- oe.mode = mode ? mode->mode.id : None;
- oe.rotation = crtc->rotation;
- }
- else
- {
- oe.crtc = None;
- oe.mode = None;
- oe.rotation = RR_Rotate_0;
- }
- oe.connection = output->connection;
- oe.subpixelOrder = output->subpixelOrder;
- WriteEventsToClient (client, 1, (xEvent *) &oe);
-}
-
-/*
- * Destroy a Output at shutdown
- */
-void
-RROutputDestroy (RROutputPtr output)
-{
- FreeResource (output->id, 0);
-}
-
-static int
-RROutputDestroyResource (pointer value, XID pid)
-{
- RROutputPtr output = (RROutputPtr) value;
- ScreenPtr pScreen = output->pScreen;
- int m;
-
- if (pScreen)
- {
- rrScrPriv(pScreen);
- int i;
-
- if (pScrPriv->primaryOutput == output)
- pScrPriv->primaryOutput = NULL;
-
- for (i = 0; i < pScrPriv->numOutputs; i++)
- {
- if (pScrPriv->outputs[i] == output)
- {
- memmove (pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
- (pScrPriv->numOutputs - (i + 1)) * sizeof (RROutputPtr));
- --pScrPriv->numOutputs;
- break;
- }
- }
- }
- if (output->modes)
- {
- for (m = 0; m < output->numModes; m++)
- RRModeDestroy (output->modes[m]);
- free(output->modes);
- }
-
- for (m = 0; m < output->numUserModes; m++)
- RRModeDestroy (output->userModes[m]);
- free(output->userModes);
-
- free(output->crtcs);
- free(output->clones);
- RRDeleteAllOutputProperties (output);
- free(output);
- return 1;
-}
-
-/*
- * Initialize output type
- */
-Bool
-RROutputInit (void)
-{
- RROutputType = CreateNewResourceType (RROutputDestroyResource, "OUTPUT");
- if (!RROutputType)
- return FALSE;
-
- return TRUE;
-}
-
-/*
- * Initialize output type error value
- */
-void
-RROutputInitErrorValue(void)
-{
- SetResourceTypeErrorValue(RROutputType, RRErrorBase + BadRROutput);
-}
-
-#define OutputInfoExtra (SIZEOF(xRRGetOutputInfoReply) - 32)
-
-int
-ProcRRGetOutputInfo (ClientPtr client)
-{
- REQUEST(xRRGetOutputInfoReq);
- xRRGetOutputInfoReply rep;
- RROutputPtr output;
- CARD8 *extra;
- unsigned long extraLen;
- ScreenPtr pScreen;
- rrScrPrivPtr pScrPriv;
- RRCrtc *crtcs;
- RRMode *modes;
- RROutput *clones;
- char *name;
- int i, n;
-
- REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
-
- pScreen = output->pScreen;
- pScrPriv = rrGetScrPriv(pScreen);
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = bytes_to_int32(OutputInfoExtra);
- rep.timestamp = pScrPriv->lastSetTime.milliseconds;
- rep.crtc = output->crtc ? output->crtc->id : None;
- rep.mmWidth = output->mmWidth;
- rep.mmHeight = output->mmHeight;
- rep.connection = output->connection;
- rep.subpixelOrder = output->subpixelOrder;
- rep.nCrtcs = output->numCrtcs;
- rep.nModes = output->numModes + output->numUserModes;
- rep.nPreferred = output->numPreferred;
- rep.nClones = output->numClones;
- rep.nameLength = output->nameLength;
-
- extraLen = ((output->numCrtcs +
- output->numModes + output->numUserModes +
- output->numClones +
- bytes_to_int32(rep.nameLength)) << 2);
-
- if (extraLen)
- {
- rep.length += bytes_to_int32(extraLen);
- extra = malloc(extraLen);
- if (!extra)
- return BadAlloc;
- }
- else
- extra = NULL;
-
- crtcs = (RRCrtc *) extra;
- modes = (RRMode *) (crtcs + output->numCrtcs);
- clones = (RROutput *) (modes + output->numModes + output->numUserModes);
- name = (char *) (clones + output->numClones);
-
- for (i = 0; i < output->numCrtcs; i++)
- {
- crtcs[i] = output->crtcs[i]->id;
- if (client->swapped)
- swapl (&crtcs[i], n);
- }
- for (i = 0; i < output->numModes + output->numUserModes; i++)
- {
- if (i < output->numModes)
- modes[i] = output->modes[i]->mode.id;
- else
- modes[i] = output->userModes[i - output->numModes]->mode.id;
- if (client->swapped)
- swapl (&modes[i], n);
- }
- for (i = 0; i < output->numClones; i++)
- {
- clones[i] = output->clones[i]->id;
- if (client->swapped)
- swapl (&clones[i], n);
- }
- memcpy (name, output->name, output->nameLength);
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.timestamp, n);
- swapl(&rep.crtc, n);
- swapl(&rep.mmWidth, n);
- swapl(&rep.mmHeight, n);
- swaps(&rep.nCrtcs, n);
- swaps(&rep.nModes, n);
- swaps(&rep.nClones, n);
- swaps(&rep.nameLength, n);
- }
- WriteToClient(client, sizeof(xRRGetOutputInfoReply), (char *)&rep);
- if (extraLen)
- {
- WriteToClient (client, extraLen, (char *) extra);
- free(extra);
- }
-
- return Success;
-}
-
-static void
-RRSetPrimaryOutput(ScreenPtr pScreen, rrScrPrivPtr pScrPriv,
- RROutputPtr output)
-{
- if (pScrPriv->primaryOutput == output)
- return;
-
- /* clear the old primary */
- if (pScrPriv->primaryOutput) {
- RROutputChanged(pScrPriv->primaryOutput, 0);
- pScrPriv->primaryOutput = NULL;
- }
-
- /* set the new primary */
- if (output) {
- pScrPriv->primaryOutput = output;
- RROutputChanged(output, 0);
- }
-
- pScrPriv->layoutChanged = TRUE;
-
- RRTellChanged(pScreen);
-}
-
-int
-ProcRRSetOutputPrimary(ClientPtr client)
-{
- REQUEST(xRRSetOutputPrimaryReq);
- RROutputPtr output = NULL;
- WindowPtr pWin;
- rrScrPrivPtr pScrPriv;
- int rc;
-
- REQUEST_SIZE_MATCH(xRRSetOutputPrimaryReq);
-
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- if (stuff->output) {
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
-
- if (output->pScreen != pWin->drawable.pScreen) {
- client->errorValue = stuff->window;
- return BadMatch;
- }
- }
-
- pScrPriv = rrGetScrPriv(pWin->drawable.pScreen);
- RRSetPrimaryOutput(pWin->drawable.pScreen, pScrPriv, output);
-
- return Success;
-}
-
-int
-ProcRRGetOutputPrimary(ClientPtr client)
-{
- REQUEST(xRRGetOutputPrimaryReq);
- WindowPtr pWin;
- rrScrPrivPtr pScrPriv;
- xRRGetOutputPrimaryReply rep;
- RROutputPtr primary = NULL;
- int rc;
-
- REQUEST_SIZE_MATCH(xRRGetOutputPrimaryReq);
-
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- pScrPriv = rrGetScrPriv(pWin->drawable.pScreen);
- if (pScrPriv)
- primary = pScrPriv->primaryOutput;
-
- memset(&rep, 0, sizeof(rep));
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.output = primary ? primary->id : None;
-
- if (client->swapped) {
- int n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.output, n);
- }
-
- WriteToClient(client, sizeof(xRRGetOutputPrimaryReply), &rep);
-
- return Success;
-}
+/*
+ * Copyright © 2006 Keith Packard
+ * Copyright © 2008 Red Hat, Inc.
+ *
+ * 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"
+
+RESTYPE RROutputType;
+
+/*
+ * Notify the output of some change
+ */
+void
+RROutputChanged (RROutputPtr output, Bool configChanged)
+{
+ ScreenPtr pScreen = output->pScreen;
+
+ output->changed = TRUE;
+ if (pScreen)
+ {
+ rrScrPriv (pScreen);
+ pScrPriv->changed = TRUE;
+ if (configChanged)
+ pScrPriv->configChanged = TRUE;
+ }
+}
+
+/*
+ * Create an output
+ */
+
+RROutputPtr
+RROutputCreate (ScreenPtr pScreen,
+ const char *name,
+ int nameLength,
+ void *devPrivate)
+{
+ RROutputPtr output;
+ RROutputPtr *outputs;
+ rrScrPrivPtr pScrPriv;
+
+ if (!RRInit())
+ return NULL;
+
+ pScrPriv = rrGetScrPriv(pScreen);
+
+ if (pScrPriv->numOutputs)
+ outputs = realloc(pScrPriv->outputs,
+ (pScrPriv->numOutputs + 1) * sizeof (RROutputPtr));
+ else
+ outputs = malloc(sizeof (RROutputPtr));
+ if (!outputs)
+ return FALSE;
+
+ pScrPriv->outputs = outputs;
+
+ output = malloc(sizeof (RROutputRec) + nameLength + 1);
+ if (!output)
+ return NULL;
+ output->id = FakeClientID (0);
+ output->pScreen = pScreen;
+ output->name = (char *) (output + 1);
+ output->nameLength = nameLength;
+ memcpy (output->name, name, nameLength);
+ output->name[nameLength] = '\0';
+ output->connection = RR_UnknownConnection;
+ output->subpixelOrder = SubPixelUnknown;
+ output->mmWidth = 0;
+ output->mmHeight = 0;
+ output->crtc = NULL;
+ output->numCrtcs = 0;
+ output->crtcs = NULL;
+ output->numClones = 0;
+ output->clones = NULL;
+ output->numModes = 0;
+ output->numPreferred = 0;
+ output->modes = NULL;
+ output->numUserModes = 0;
+ output->userModes = NULL;
+ output->properties = NULL;
+ output->pendingProperties = FALSE;
+ output->changed = FALSE;
+ output->devPrivate = devPrivate;
+
+ if (!AddResource (output->id, RROutputType, (pointer) output))
+ return NULL;
+
+ pScrPriv->outputs[pScrPriv->numOutputs++] = output;
+ return output;
+}
+
+/*
+ * Notify extension that output parameters have been changed
+ */
+Bool
+RROutputSetClones (RROutputPtr output,
+ RROutputPtr *clones,
+ int numClones)
+{
+ RROutputPtr *newClones;
+ int i;
+
+ if (numClones == output->numClones)
+ {
+ for (i = 0; i < numClones; i++)
+ if (output->clones[i] != clones[i])
+ break;
+ if (i == numClones)
+ return TRUE;
+ }
+ if (numClones)
+ {
+ newClones = malloc(numClones * sizeof (RROutputPtr));
+ if (!newClones)
+ return FALSE;
+ }
+ else
+ newClones = NULL;
+ free(output->clones);
+ memcpy (newClones, clones, numClones * sizeof (RROutputPtr));
+ output->clones = newClones;
+ output->numClones = numClones;
+ RROutputChanged (output, TRUE);
+ return TRUE;
+}
+
+Bool
+RROutputSetModes (RROutputPtr output,
+ RRModePtr *modes,
+ int numModes,
+ int numPreferred)
+{
+ RRModePtr *newModes;
+ int i;
+
+ if (numModes == output->numModes && numPreferred == output->numPreferred)
+ {
+ for (i = 0; i < numModes; i++)
+ if (output->modes[i] != modes[i])
+ break;
+ if (i == numModes)
+ {
+ for (i = 0; i < numModes; i++)
+ RRModeDestroy (modes[i]);
+ return TRUE;
+ }
+ }
+
+ if (numModes)
+ {
+ newModes = malloc(numModes * sizeof (RRModePtr));
+ if (!newModes)
+ return FALSE;
+ }
+ else
+ newModes = NULL;
+ if (output->modes)
+ {
+ for (i = 0; i < output->numModes; i++)
+ RRModeDestroy (output->modes[i]);
+ free(output->modes);
+ }
+ memcpy (newModes, modes, numModes * sizeof (RRModePtr));
+ output->modes = newModes;
+ output->numModes = numModes;
+ output->numPreferred = numPreferred;
+ RROutputChanged (output, TRUE);
+ return TRUE;
+}
+
+int
+RROutputAddUserMode (RROutputPtr output,
+ RRModePtr mode)
+{
+ int m;
+ ScreenPtr pScreen = output->pScreen;
+ rrScrPriv(pScreen);
+ RRModePtr *newModes;
+
+ /* Check to see if this mode is already listed for this output */
+ for (m = 0; m < output->numModes + output->numUserModes; m++)
+ {
+ RRModePtr e = (m < output->numModes ?
+ output->modes[m] :
+ output->userModes[m - output->numModes]);
+ if (mode == e)
+ return Success;
+ }
+
+ /* Check with the DDX to see if this mode is OK */
+ if (pScrPriv->rrOutputValidateMode)
+ if (!pScrPriv->rrOutputValidateMode (pScreen, output, mode))
+ return BadMatch;
+
+ if (output->userModes)
+ newModes = realloc(output->userModes,
+ (output->numUserModes + 1) * sizeof (RRModePtr));
+ else
+ newModes = malloc(sizeof (RRModePtr));
+ if (!newModes)
+ return BadAlloc;
+
+ output->userModes = newModes;
+ output->userModes[output->numUserModes++] = mode;
+ ++mode->refcnt;
+ RROutputChanged (output, TRUE);
+ RRTellChanged (pScreen);
+ return Success;
+}
+
+int
+RROutputDeleteUserMode (RROutputPtr output,
+ RRModePtr mode)
+{
+ int m;
+
+ /* Find this mode in the user mode list */
+ for (m = 0; m < output->numUserModes; m++)
+ {
+ RRModePtr e = output->userModes[m];
+
+ if (mode == e)
+ break;
+ }
+ /* Not there, access error */
+ if (m == output->numUserModes)
+ return BadAccess;
+
+ /* make sure the mode isn't active for this output */
+ if (output->crtc && output->crtc->mode == mode)
+ return BadMatch;
+
+ memmove (output->userModes + m, output->userModes + m + 1,
+ (output->numUserModes - m - 1) * sizeof (RRModePtr));
+ output->numUserModes--;
+ RRModeDestroy (mode);
+ return Success;
+}
+
+Bool
+RROutputSetCrtcs (RROutputPtr output,
+ RRCrtcPtr *crtcs,
+ int numCrtcs)
+{
+ RRCrtcPtr *newCrtcs;
+ int i;
+
+ if (numCrtcs == output->numCrtcs)
+ {
+ for (i = 0; i < numCrtcs; i++)
+ if (output->crtcs[i] != crtcs[i])
+ break;
+ if (i == numCrtcs)
+ return TRUE;
+ }
+ if (numCrtcs)
+ {
+ newCrtcs = malloc(numCrtcs * sizeof (RRCrtcPtr));
+ if (!newCrtcs)
+ return FALSE;
+ }
+ else
+ newCrtcs = NULL;
+ free(output->crtcs);
+ memcpy (newCrtcs, crtcs, numCrtcs * sizeof (RRCrtcPtr));
+ output->crtcs = newCrtcs;
+ output->numCrtcs = numCrtcs;
+ RROutputChanged (output, TRUE);
+ return TRUE;
+}
+
+Bool
+RROutputSetConnection (RROutputPtr output,
+ CARD8 connection)
+{
+ if (output->connection == connection)
+ return TRUE;
+ output->connection = connection;
+ RROutputChanged (output, TRUE);
+ return TRUE;
+}
+
+Bool
+RROutputSetSubpixelOrder (RROutputPtr output,
+ int subpixelOrder)
+{
+ if (output->subpixelOrder == subpixelOrder)
+ return TRUE;
+
+ output->subpixelOrder = subpixelOrder;
+ RROutputChanged (output, FALSE);
+ return TRUE;
+}
+
+Bool
+RROutputSetPhysicalSize (RROutputPtr output,
+ int mmWidth,
+ int mmHeight)
+{
+ if (output->mmWidth == mmWidth && output->mmHeight == mmHeight)
+ return TRUE;
+ output->mmWidth = mmWidth;
+ output->mmHeight = mmHeight;
+ RROutputChanged (output, FALSE);
+ return TRUE;
+}
+
+
+void
+RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ rrScrPriv (pScreen);
+ xRROutputChangeNotifyEvent oe;
+ RRCrtcPtr crtc = output->crtc;
+ RRModePtr mode = crtc ? crtc->mode : 0;
+
+ oe.type = RRNotify + RREventBase;
+ oe.subCode = RRNotify_OutputChange;
+ oe.timestamp = pScrPriv->lastSetTime.milliseconds;
+ oe.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+ oe.window = pWin->drawable.id;
+ oe.output = output->id;
+ if (crtc)
+ {
+ oe.crtc = crtc->id;
+ oe.mode = mode ? mode->mode.id : None;
+ oe.rotation = crtc->rotation;
+ }
+ else
+ {
+ oe.crtc = None;
+ oe.mode = None;
+ oe.rotation = RR_Rotate_0;
+ }
+ oe.connection = output->connection;
+ oe.subpixelOrder = output->subpixelOrder;
+ WriteEventsToClient (client, 1, (xEvent *) &oe);
+}
+
+/*
+ * Destroy a Output at shutdown
+ */
+void
+RROutputDestroy (RROutputPtr output)
+{
+ FreeResource (output->id, 0);
+}
+
+static int
+RROutputDestroyResource (pointer value, XID pid)
+{
+ RROutputPtr output = (RROutputPtr) value;
+ ScreenPtr pScreen = output->pScreen;
+ int m;
+
+ if (pScreen)
+ {
+ rrScrPriv(pScreen);
+ int i;
+
+ if (pScrPriv->primaryOutput == output)
+ pScrPriv->primaryOutput = NULL;
+
+ for (i = 0; i < pScrPriv->numOutputs; i++)
+ {
+ if (pScrPriv->outputs[i] == output)
+ {
+ memmove (pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
+ (pScrPriv->numOutputs - (i + 1)) * sizeof (RROutputPtr));
+ --pScrPriv->numOutputs;
+ break;
+ }
+ }
+ }
+ if (output->modes)
+ {
+ for (m = 0; m < output->numModes; m++)
+ RRModeDestroy (output->modes[m]);
+ free(output->modes);
+ }
+
+ for (m = 0; m < output->numUserModes; m++)
+ RRModeDestroy (output->userModes[m]);
+ free(output->userModes);
+
+ free(output->crtcs);
+ free(output->clones);
+ RRDeleteAllOutputProperties (output);
+ free(output);
+ return 1;
+}
+
+/*
+ * Initialize output type
+ */
+Bool
+RROutputInit (void)
+{
+ RROutputType = CreateNewResourceType (RROutputDestroyResource, "OUTPUT");
+ if (!RROutputType)
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+ * Initialize output type error value
+ */
+void
+RROutputInitErrorValue(void)
+{
+ SetResourceTypeErrorValue(RROutputType, RRErrorBase + BadRROutput);
+}
+
+#define OutputInfoExtra (SIZEOF(xRRGetOutputInfoReply) - 32)
+
+int
+ProcRRGetOutputInfo (ClientPtr client)
+{
+ REQUEST(xRRGetOutputInfoReq);
+ xRRGetOutputInfoReply rep;
+ RROutputPtr output;
+ CARD8 *extra;
+ unsigned long extraLen;
+ ScreenPtr pScreen;
+ rrScrPrivPtr pScrPriv;
+ RRCrtc *crtcs;
+ RRMode *modes;
+ RROutput *clones;
+ char *name;
+ int i;
+
+ REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+
+ pScreen = output->pScreen;
+ pScrPriv = rrGetScrPriv(pScreen);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = bytes_to_int32(OutputInfoExtra);
+ rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+ rep.crtc = output->crtc ? output->crtc->id : None;
+ rep.mmWidth = output->mmWidth;
+ rep.mmHeight = output->mmHeight;
+ rep.connection = output->connection;
+ rep.subpixelOrder = output->subpixelOrder;
+ rep.nCrtcs = output->numCrtcs;
+ rep.nModes = output->numModes + output->numUserModes;
+ rep.nPreferred = output->numPreferred;
+ rep.nClones = output->numClones;
+ rep.nameLength = output->nameLength;
+
+ extraLen = ((output->numCrtcs +
+ output->numModes + output->numUserModes +
+ output->numClones +
+ bytes_to_int32(rep.nameLength)) << 2);
+
+ if (extraLen)
+ {
+ rep.length += bytes_to_int32(extraLen);
+ extra = malloc(extraLen);
+ if (!extra)
+ return BadAlloc;
+ }
+ else
+ extra = NULL;
+
+ crtcs = (RRCrtc *) extra;
+ modes = (RRMode *) (crtcs + output->numCrtcs);
+ clones = (RROutput *) (modes + output->numModes + output->numUserModes);
+ name = (char *) (clones + output->numClones);
+
+ for (i = 0; i < output->numCrtcs; i++)
+ {
+ crtcs[i] = output->crtcs[i]->id;
+ if (client->swapped)
+ swapl(&crtcs[i]);
+ }
+ for (i = 0; i < output->numModes + output->numUserModes; i++)
+ {
+ if (i < output->numModes)
+ modes[i] = output->modes[i]->mode.id;
+ else
+ modes[i] = output->userModes[i - output->numModes]->mode.id;
+ if (client->swapped)
+ swapl(&modes[i]);
+ }
+ for (i = 0; i < output->numClones; i++)
+ {
+ clones[i] = output->clones[i]->id;
+ if (client->swapped)
+ swapl(&clones[i]);
+ }
+ memcpy (name, output->name, output->nameLength);
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.timestamp);
+ swapl(&rep.crtc);
+ swapl(&rep.mmWidth);
+ swapl(&rep.mmHeight);
+ swaps(&rep.nCrtcs);
+ swaps(&rep.nModes);
+ swaps(&rep.nClones);
+ swaps(&rep.nameLength);
+ }
+ WriteToClient(client, sizeof(xRRGetOutputInfoReply), (char *)&rep);
+ if (extraLen)
+ {
+ WriteToClient (client, extraLen, (char *) extra);
+ free(extra);
+ }
+
+ return Success;
+}
+
+static void
+RRSetPrimaryOutput(ScreenPtr pScreen, rrScrPrivPtr pScrPriv,
+ RROutputPtr output)
+{
+ if (pScrPriv->primaryOutput == output)
+ return;
+
+ /* clear the old primary */
+ if (pScrPriv->primaryOutput) {
+ RROutputChanged(pScrPriv->primaryOutput, 0);
+ pScrPriv->primaryOutput = NULL;
+ }
+
+ /* set the new primary */
+ if (output) {
+ pScrPriv->primaryOutput = output;
+ RROutputChanged(output, 0);
+ }
+
+ pScrPriv->layoutChanged = TRUE;
+
+ RRTellChanged(pScreen);
+}
+
+int
+ProcRRSetOutputPrimary(ClientPtr client)
+{
+ REQUEST(xRRSetOutputPrimaryReq);
+ RROutputPtr output = NULL;
+ WindowPtr pWin;
+ rrScrPrivPtr pScrPriv;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xRRSetOutputPrimaryReq);
+
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (stuff->output) {
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+
+ if (output->pScreen != pWin->drawable.pScreen) {
+ client->errorValue = stuff->window;
+ return BadMatch;
+ }
+ }
+
+ pScrPriv = rrGetScrPriv(pWin->drawable.pScreen);
+ RRSetPrimaryOutput(pWin->drawable.pScreen, pScrPriv, output);
+
+ return Success;
+}
+
+int
+ProcRRGetOutputPrimary(ClientPtr client)
+{
+ REQUEST(xRRGetOutputPrimaryReq);
+ WindowPtr pWin;
+ rrScrPrivPtr pScrPriv;
+ xRRGetOutputPrimaryReply rep;
+ RROutputPtr primary = NULL;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xRRGetOutputPrimaryReq);
+
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ pScrPriv = rrGetScrPriv(pWin->drawable.pScreen);
+ if (pScrPriv)
+ primary = pScrPriv->primaryOutput;
+
+ memset(&rep, 0, sizeof(rep));
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.output = primary ? primary->id : None;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.output);
+ }
+
+ WriteToClient(client, sizeof(xRRGetOutputPrimaryReply), &rep);
+
+ return Success;
+}