diff options
Diffstat (limited to 'xorg-server/randr/randr.c')
| -rw-r--r-- | xorg-server/randr/randr.c | 992 |
1 files changed, 496 insertions, 496 deletions
diff --git a/xorg-server/randr/randr.c b/xorg-server/randr/randr.c index b63a7f22e..b843f588d 100644 --- a/xorg-server/randr/randr.c +++ b/xorg-server/randr/randr.c @@ -1,496 +1,496 @@ -/* - * Copyright © 2000 Compaq Computer Corporation - * Copyright © 2002 Hewlett-Packard Company - * Copyright © 2006 Intel Corporation - * - * 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. - * - * Author: Jim Gettys, Hewlett-Packard Company, Inc. - * Keith Packard, Intel Corporation - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "randrstr.h" - -/* From render.h */ -#ifndef SubPixelUnknown -#define SubPixelUnknown 0 -#endif - -#define RR_VALIDATE -static int RRNScreens; - -#define wrap(priv,real,mem,func) {\ - priv->mem = real->mem; \ - real->mem = func; \ -} - -#define unwrap(priv,real,mem) {\ - real->mem = priv->mem; \ -} - -static int ProcRRDispatch (ClientPtr pClient); -static int SProcRRDispatch (ClientPtr pClient); - -int RREventBase; -int RRErrorBase; -RESTYPE RRClientType, RREventType; /* resource types for event masks */ -static int RRClientPrivateKeyIndex; -DevPrivateKey RRClientPrivateKey = &RRClientPrivateKeyIndex; - -static int rrPrivKeyIndex; -DevPrivateKey rrPrivKey = &rrPrivKeyIndex; - -static void -RRClientCallback (CallbackListPtr *list, - pointer closure, - pointer data) -{ - NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; - ClientPtr pClient = clientinfo->client; - rrClientPriv(pClient); - RRTimesPtr pTimes = (RRTimesPtr) (pRRClient + 1); - int i; - - pRRClient->major_version = 0; - pRRClient->minor_version = 0; - for (i = 0; i < screenInfo.numScreens; i++) - { - ScreenPtr pScreen = screenInfo.screens[i]; - rrScrPriv(pScreen); - - if (pScrPriv) - { - pTimes[i].setTime = pScrPriv->lastSetTime; - pTimes[i].configTime = pScrPriv->lastConfigTime; - } - } -} - -static Bool -RRCloseScreen (int i, ScreenPtr pScreen) -{ - rrScrPriv(pScreen); - int j; - - unwrap (pScrPriv, pScreen, CloseScreen); - for (j = pScrPriv->numCrtcs - 1; j >= 0; j--) - RRCrtcDestroy (pScrPriv->crtcs[j]); - for (j = pScrPriv->numOutputs - 1; j >= 0; j--) - RROutputDestroy (pScrPriv->outputs[j]); - - xfree (pScrPriv->crtcs); - xfree (pScrPriv->outputs); - xfree (pScrPriv); - RRNScreens -= 1; /* ok, one fewer screen with RandR running */ - return (*pScreen->CloseScreen) (i, pScreen); -} - -static void -SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from, - xRRScreenChangeNotifyEvent *to) -{ - to->type = from->type; - to->rotation = from->rotation; - cpswaps(from->sequenceNumber, to->sequenceNumber); - cpswapl(from->timestamp, to->timestamp); - cpswapl(from->configTimestamp, to->configTimestamp); - cpswapl(from->root, to->root); - cpswapl(from->window, to->window); - cpswaps(from->sizeID, to->sizeID); - cpswaps(from->subpixelOrder, to->subpixelOrder); - cpswaps(from->widthInPixels, to->widthInPixels); - cpswaps(from->heightInPixels, to->heightInPixels); - cpswaps(from->widthInMillimeters, to->widthInMillimeters); - cpswaps(from->heightInMillimeters, to->heightInMillimeters); -} - -static void -SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent *from, - xRRCrtcChangeNotifyEvent *to) -{ - to->type = from->type; - to->subCode = from->subCode; - cpswaps(from->sequenceNumber, to->sequenceNumber); - cpswapl(from->timestamp, to->timestamp); - cpswapl(from->window, to->window); - cpswapl(from->crtc, to->crtc); - cpswapl(from->mode, to->mode); - cpswaps(from->rotation, to->rotation); - /* pad1 */ - cpswaps(from->x, to->x); - cpswaps(from->y, to->y); - cpswaps(from->width, to->width); - cpswaps(from->height, to->height); -} - -static void -SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent *from, - xRROutputChangeNotifyEvent *to) -{ - to->type = from->type; - to->subCode = from->subCode; - cpswaps(from->sequenceNumber, to->sequenceNumber); - cpswapl(from->timestamp, to->timestamp); - cpswapl(from->configTimestamp, to->configTimestamp); - cpswapl(from->window, to->window); - cpswapl(from->output, to->output); - cpswapl(from->crtc, to->crtc); - cpswapl(from->mode, to->mode); - cpswaps(from->rotation, to->rotation); - to->connection = from->connection; - to->subpixelOrder = from->subpixelOrder; -} - -static void -SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent *from, - xRROutputPropertyNotifyEvent *to) -{ - to->type = from->type; - to->subCode = from->subCode; - cpswaps(from->sequenceNumber, to->sequenceNumber); - cpswapl(from->window, to->window); - cpswapl(from->output, to->output); - cpswapl(from->atom, to->atom); - cpswapl(from->timestamp, to->timestamp); - to->state = from->state; - /* pad1 */ - /* pad2 */ - /* pad3 */ - /* pad4 */ -} - -static void -SRRNotifyEvent (xEvent *from, - xEvent *to) -{ - switch (from->u.u.detail) { - case RRNotify_CrtcChange: - SRRCrtcChangeNotifyEvent ((xRRCrtcChangeNotifyEvent *) from, - (xRRCrtcChangeNotifyEvent *) to); - break; - case RRNotify_OutputChange: - SRROutputChangeNotifyEvent ((xRROutputChangeNotifyEvent *) from, - (xRROutputChangeNotifyEvent *) to); - break; - case RRNotify_OutputProperty: - SRROutputPropertyNotifyEvent ((xRROutputPropertyNotifyEvent *) from, - (xRROutputPropertyNotifyEvent *) to); - break; - default: - break; - } -} - -static int RRGeneration; - -Bool RRInit (void) -{ - if (RRGeneration != serverGeneration) - { - if (!RRModeInit ()) - return FALSE; - if (!RRCrtcInit ()) - return FALSE; - if (!RROutputInit ()) - return FALSE; - RRGeneration = serverGeneration; - } - return TRUE; -} - -Bool RRScreenInit(ScreenPtr pScreen) -{ - rrScrPrivPtr pScrPriv; - - if (!RRInit ()) - return FALSE; - - pScrPriv = (rrScrPrivPtr) xcalloc (1, sizeof (rrScrPrivRec)); - if (!pScrPriv) - return FALSE; - - SetRRScreen(pScreen, pScrPriv); - - /* - * Calling function best set these function vectors - */ - pScrPriv->rrGetInfo = 0; - pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width; - pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height; - - pScrPriv->width = pScreen->width; - pScrPriv->height = pScreen->height; - pScrPriv->mmWidth = pScreen->mmWidth; - pScrPriv->mmHeight = pScreen->mmHeight; -#if RANDR_12_INTERFACE - pScrPriv->rrScreenSetSize = NULL; - pScrPriv->rrCrtcSet = NULL; - pScrPriv->rrCrtcSetGamma = NULL; -#endif -#if RANDR_10_INTERFACE - pScrPriv->rrSetConfig = 0; - pScrPriv->rotations = RR_Rotate_0; - pScrPriv->reqWidth = pScreen->width; - pScrPriv->reqHeight = pScreen->height; - pScrPriv->nSizes = 0; - pScrPriv->pSizes = NULL; - pScrPriv->rotation = RR_Rotate_0; - pScrPriv->rate = 0; - pScrPriv->size = 0; -#endif - - /* - * This value doesn't really matter -- any client must call - * GetScreenInfo before reading it which will automatically update - * the time - */ - pScrPriv->lastSetTime = currentTime; - pScrPriv->lastConfigTime = currentTime; - - wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen); - - pScrPriv->numOutputs = 0; - pScrPriv->outputs = NULL; - pScrPriv->numCrtcs = 0; - pScrPriv->crtcs = NULL; - - RRNScreens += 1; /* keep count of screens that implement randr */ - return TRUE; -} - -/*ARGSUSED*/ -static int -RRFreeClient (pointer data, XID id) -{ - RREventPtr pRREvent; - WindowPtr pWin; - RREventPtr *pHead, pCur, pPrev; - - pRREvent = (RREventPtr) data; - pWin = pRREvent->window; - dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id, - RREventType, serverClient, DixDestroyAccess); - if (pHead) { - pPrev = 0; - for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next) - pPrev = pCur; - if (pCur) - { - if (pPrev) - pPrev->next = pRREvent->next; - else - *pHead = pRREvent->next; - } - } - xfree ((pointer) pRREvent); - return 1; -} - -/*ARGSUSED*/ -static int -RRFreeEvents (pointer data, XID id) -{ - RREventPtr *pHead, pCur, pNext; - - pHead = (RREventPtr *) data; - for (pCur = *pHead; pCur; pCur = pNext) { - pNext = pCur->next; - FreeResource (pCur->clientResource, RRClientType); - xfree ((pointer) pCur); - } - xfree ((pointer) pHead); - return 1; -} - -void -RRExtensionInit (void) -{ - ExtensionEntry *extEntry; - - if (RRNScreens == 0) return; - - if (!dixRequestPrivate(RRClientPrivateKey, - sizeof (RRClientRec) + - screenInfo.numScreens * sizeof (RRTimesRec))) - return; - if (!AddCallback (&ClientStateCallback, RRClientCallback, 0)) - return; - - RRClientType = CreateNewResourceType(RRFreeClient, "RandRClient"); - if (!RRClientType) - return; - RREventType = CreateNewResourceType(RRFreeEvents, "RandREvent"); - if (!RREventType) - return; - extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors, - ProcRRDispatch, SProcRRDispatch, - NULL, StandardMinorOpcode); - if (!extEntry) - return; - RRErrorBase = extEntry->errorBase; - RREventBase = extEntry->eventBase; - EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr) - SRRScreenChangeNotifyEvent; - EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr) - SRRNotifyEvent; -#ifdef PANORAMIX - RRXineramaExtensionInit(); -#endif -} - -static int -TellChanged (WindowPtr pWin, pointer value) -{ - RREventPtr *pHead, pRREvent; - ClientPtr client; - ScreenPtr pScreen = pWin->drawable.pScreen; - rrScrPriv(pScreen); - int i; - - dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id, - RREventType, serverClient, DixReadAccess); - if (!pHead) - return WT_WALKCHILDREN; - - for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) - { - client = pRREvent->client; - if (client == serverClient || client->clientGone) - continue; - - if (pRREvent->mask & RRScreenChangeNotifyMask) - RRDeliverScreenEvent (client, pWin, pScreen); - - if (pRREvent->mask & RRCrtcChangeNotifyMask) - { - for (i = 0; i < pScrPriv->numCrtcs; i++) - { - RRCrtcPtr crtc = pScrPriv->crtcs[i]; - if (crtc->changed) - RRDeliverCrtcEvent (client, pWin, crtc); - } - } - - if (pRREvent->mask & RROutputChangeNotifyMask) - { - for (i = 0; i < pScrPriv->numOutputs; i++) - { - RROutputPtr output = pScrPriv->outputs[i]; - if (output->changed) - RRDeliverOutputEvent (client, pWin, output); - } - } - } - return WT_WALKCHILDREN; -} - -/* - * Something changed; send events and adjust pointer position - */ -void -RRTellChanged (ScreenPtr pScreen) -{ - rrScrPriv (pScreen); - int i; - - if (pScrPriv->changed) - { - UpdateCurrentTime (); - if (pScrPriv->configChanged) - { - pScrPriv->lastConfigTime = currentTime; - pScrPriv->configChanged = FALSE; - } - pScrPriv->changed = FALSE; - WalkTree (pScreen, TellChanged, (pointer) pScreen); - for (i = 0; i < pScrPriv->numOutputs; i++) - pScrPriv->outputs[i]->changed = FALSE; - for (i = 0; i < pScrPriv->numCrtcs; i++) - pScrPriv->crtcs[i]->changed = FALSE; - if (pScrPriv->layoutChanged) - { - pScrPriv->layoutChanged = FALSE; - RRPointerScreenConfigured (pScreen); - RRSendConfigNotify (pScreen); - } - } -} - -/* - * Return the first output which is connected to an active CRTC - * Used in emulating 1.0 behaviour - */ -RROutputPtr -RRFirstOutput (ScreenPtr pScreen) -{ - rrScrPriv(pScreen); - RROutputPtr output; - int i, j; - - if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) - return pScrPriv->primaryOutput; - - for (i = 0; i < pScrPriv->numCrtcs; i++) - { - RRCrtcPtr crtc = pScrPriv->crtcs[i]; - for (j = 0; j < pScrPriv->numOutputs; j++) - { - output = pScrPriv->outputs[j]; - if (output->crtc == crtc) - return output; - } - } - return NULL; -} - -CARD16 -RRVerticalRefresh (xRRModeInfo *mode) -{ - CARD32 refresh; - CARD32 dots = mode->hTotal * mode->vTotal; - if (!dots) - return 0; - refresh = (mode->dotClock + dots/2) / dots; - if (refresh > 0xffff) - refresh = 0xffff; - return (CARD16) refresh; -} - -static int -ProcRRDispatch (ClientPtr client) -{ - REQUEST(xReq); - if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data]) - return BadRequest; - return (*ProcRandrVector[stuff->data]) (client); -} - -static int -SProcRRDispatch (ClientPtr client) -{ - REQUEST(xReq); - if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data]) - return BadRequest; - return (*SProcRandrVector[stuff->data]) (client); -} - +/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * 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.
+ *
+ * Author: Jim Gettys, Hewlett-Packard Company, Inc.
+ * Keith Packard, Intel Corporation
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "randrstr.h"
+
+/* From render.h */
+#ifndef SubPixelUnknown
+#define SubPixelUnknown 0
+#endif
+
+#define RR_VALIDATE
+static int RRNScreens;
+
+#define wrap(priv,real,mem,func) {\
+ priv->mem = real->mem; \
+ real->mem = func; \
+}
+
+#define unwrap(priv,real,mem) {\
+ real->mem = priv->mem; \
+}
+
+static int ProcRRDispatch (ClientPtr pClient);
+static int SProcRRDispatch (ClientPtr pClient);
+
+int RREventBase;
+int RRErrorBase;
+RESTYPE RRClientType, RREventType; /* resource types for event masks */
+static int RRClientPrivateKeyIndex;
+DevPrivateKey RRClientPrivateKey = &RRClientPrivateKeyIndex;
+
+static int rrPrivKeyIndex;
+DevPrivateKey rrPrivKey = &rrPrivKeyIndex;
+
+static void
+RRClientCallback (CallbackListPtr *list,
+ pointer closure,
+ pointer data)
+{
+ NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
+ ClientPtr pClient = clientinfo->client;
+ rrClientPriv(pClient);
+ RRTimesPtr pTimes = (RRTimesPtr) (pRRClient + 1);
+ int i;
+
+ pRRClient->major_version = 0;
+ pRRClient->minor_version = 0;
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ rrScrPriv(pScreen);
+
+ if (pScrPriv)
+ {
+ pTimes[i].setTime = pScrPriv->lastSetTime;
+ pTimes[i].configTime = pScrPriv->lastConfigTime;
+ }
+ }
+}
+
+static Bool
+RRCloseScreen (int i, ScreenPtr pScreen)
+{
+ rrScrPriv(pScreen);
+ int j;
+
+ unwrap (pScrPriv, pScreen, CloseScreen);
+ for (j = pScrPriv->numCrtcs - 1; j >= 0; j--)
+ RRCrtcDestroy (pScrPriv->crtcs[j]);
+ for (j = pScrPriv->numOutputs - 1; j >= 0; j--)
+ RROutputDestroy (pScrPriv->outputs[j]);
+
+ free(pScrPriv->crtcs);
+ free(pScrPriv->outputs);
+ free(pScrPriv);
+ RRNScreens -= 1; /* ok, one fewer screen with RandR running */
+ return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+static void
+SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from,
+ xRRScreenChangeNotifyEvent *to)
+{
+ to->type = from->type;
+ to->rotation = from->rotation;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->timestamp, to->timestamp);
+ cpswapl(from->configTimestamp, to->configTimestamp);
+ cpswapl(from->root, to->root);
+ cpswapl(from->window, to->window);
+ cpswaps(from->sizeID, to->sizeID);
+ cpswaps(from->subpixelOrder, to->subpixelOrder);
+ cpswaps(from->widthInPixels, to->widthInPixels);
+ cpswaps(from->heightInPixels, to->heightInPixels);
+ cpswaps(from->widthInMillimeters, to->widthInMillimeters);
+ cpswaps(from->heightInMillimeters, to->heightInMillimeters);
+}
+
+static void
+SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent *from,
+ xRRCrtcChangeNotifyEvent *to)
+{
+ to->type = from->type;
+ to->subCode = from->subCode;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->timestamp, to->timestamp);
+ cpswapl(from->window, to->window);
+ cpswapl(from->crtc, to->crtc);
+ cpswapl(from->mode, to->mode);
+ cpswaps(from->rotation, to->rotation);
+ /* pad1 */
+ cpswaps(from->x, to->x);
+ cpswaps(from->y, to->y);
+ cpswaps(from->width, to->width);
+ cpswaps(from->height, to->height);
+}
+
+static void
+SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent *from,
+ xRROutputChangeNotifyEvent *to)
+{
+ to->type = from->type;
+ to->subCode = from->subCode;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->timestamp, to->timestamp);
+ cpswapl(from->configTimestamp, to->configTimestamp);
+ cpswapl(from->window, to->window);
+ cpswapl(from->output, to->output);
+ cpswapl(from->crtc, to->crtc);
+ cpswapl(from->mode, to->mode);
+ cpswaps(from->rotation, to->rotation);
+ to->connection = from->connection;
+ to->subpixelOrder = from->subpixelOrder;
+}
+
+static void
+SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent *from,
+ xRROutputPropertyNotifyEvent *to)
+{
+ to->type = from->type;
+ to->subCode = from->subCode;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->window, to->window);
+ cpswapl(from->output, to->output);
+ cpswapl(from->atom, to->atom);
+ cpswapl(from->timestamp, to->timestamp);
+ to->state = from->state;
+ /* pad1 */
+ /* pad2 */
+ /* pad3 */
+ /* pad4 */
+}
+
+static void
+SRRNotifyEvent (xEvent *from,
+ xEvent *to)
+{
+ switch (from->u.u.detail) {
+ case RRNotify_CrtcChange:
+ SRRCrtcChangeNotifyEvent ((xRRCrtcChangeNotifyEvent *) from,
+ (xRRCrtcChangeNotifyEvent *) to);
+ break;
+ case RRNotify_OutputChange:
+ SRROutputChangeNotifyEvent ((xRROutputChangeNotifyEvent *) from,
+ (xRROutputChangeNotifyEvent *) to);
+ break;
+ case RRNotify_OutputProperty:
+ SRROutputPropertyNotifyEvent ((xRROutputPropertyNotifyEvent *) from,
+ (xRROutputPropertyNotifyEvent *) to);
+ break;
+ default:
+ break;
+ }
+}
+
+static int RRGeneration;
+
+Bool RRInit (void)
+{
+ if (RRGeneration != serverGeneration)
+ {
+ if (!RRModeInit ())
+ return FALSE;
+ if (!RRCrtcInit ())
+ return FALSE;
+ if (!RROutputInit ())
+ return FALSE;
+ RRGeneration = serverGeneration;
+ }
+ return TRUE;
+}
+
+Bool RRScreenInit(ScreenPtr pScreen)
+{
+ rrScrPrivPtr pScrPriv;
+
+ if (!RRInit ())
+ return FALSE;
+
+ pScrPriv = (rrScrPrivPtr) calloc(1, sizeof (rrScrPrivRec));
+ if (!pScrPriv)
+ return FALSE;
+
+ SetRRScreen(pScreen, pScrPriv);
+
+ /*
+ * Calling function best set these function vectors
+ */
+ pScrPriv->rrGetInfo = 0;
+ pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width;
+ pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height;
+
+ pScrPriv->width = pScreen->width;
+ pScrPriv->height = pScreen->height;
+ pScrPriv->mmWidth = pScreen->mmWidth;
+ pScrPriv->mmHeight = pScreen->mmHeight;
+#if RANDR_12_INTERFACE
+ pScrPriv->rrScreenSetSize = NULL;
+ pScrPriv->rrCrtcSet = NULL;
+ pScrPriv->rrCrtcSetGamma = NULL;
+#endif
+#if RANDR_10_INTERFACE
+ pScrPriv->rrSetConfig = 0;
+ pScrPriv->rotations = RR_Rotate_0;
+ pScrPriv->reqWidth = pScreen->width;
+ pScrPriv->reqHeight = pScreen->height;
+ pScrPriv->nSizes = 0;
+ pScrPriv->pSizes = NULL;
+ pScrPriv->rotation = RR_Rotate_0;
+ pScrPriv->rate = 0;
+ pScrPriv->size = 0;
+#endif
+
+ /*
+ * This value doesn't really matter -- any client must call
+ * GetScreenInfo before reading it which will automatically update
+ * the time
+ */
+ pScrPriv->lastSetTime = currentTime;
+ pScrPriv->lastConfigTime = currentTime;
+
+ wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen);
+
+ pScrPriv->numOutputs = 0;
+ pScrPriv->outputs = NULL;
+ pScrPriv->numCrtcs = 0;
+ pScrPriv->crtcs = NULL;
+
+ RRNScreens += 1; /* keep count of screens that implement randr */
+ return TRUE;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeClient (pointer data, XID id)
+{
+ RREventPtr pRREvent;
+ WindowPtr pWin;
+ RREventPtr *pHead, pCur, pPrev;
+
+ pRREvent = (RREventPtr) data;
+ pWin = pRREvent->window;
+ dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+ RREventType, serverClient, DixDestroyAccess);
+ if (pHead) {
+ pPrev = 0;
+ for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next)
+ pPrev = pCur;
+ if (pCur)
+ {
+ if (pPrev)
+ pPrev->next = pRREvent->next;
+ else
+ *pHead = pRREvent->next;
+ }
+ }
+ free((pointer) pRREvent);
+ return 1;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeEvents (pointer data, XID id)
+{
+ RREventPtr *pHead, pCur, pNext;
+
+ pHead = (RREventPtr *) data;
+ for (pCur = *pHead; pCur; pCur = pNext) {
+ pNext = pCur->next;
+ FreeResource (pCur->clientResource, RRClientType);
+ free((pointer) pCur);
+ }
+ free((pointer) pHead);
+ return 1;
+}
+
+void
+RRExtensionInit (void)
+{
+ ExtensionEntry *extEntry;
+
+ if (RRNScreens == 0) return;
+
+ if (!dixRequestPrivate(RRClientPrivateKey,
+ sizeof (RRClientRec) +
+ screenInfo.numScreens * sizeof (RRTimesRec)))
+ return;
+ if (!AddCallback (&ClientStateCallback, RRClientCallback, 0))
+ return;
+
+ RRClientType = CreateNewResourceType(RRFreeClient, "RandRClient");
+ if (!RRClientType)
+ return;
+ RREventType = CreateNewResourceType(RRFreeEvents, "RandREvent");
+ if (!RREventType)
+ return;
+ extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors,
+ ProcRRDispatch, SProcRRDispatch,
+ NULL, StandardMinorOpcode);
+ if (!extEntry)
+ return;
+ RRErrorBase = extEntry->errorBase;
+ RREventBase = extEntry->eventBase;
+ EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr)
+ SRRScreenChangeNotifyEvent;
+ EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr)
+ SRRNotifyEvent;
+#ifdef PANORAMIX
+ RRXineramaExtensionInit();
+#endif
+}
+
+static int
+TellChanged (WindowPtr pWin, pointer value)
+{
+ RREventPtr *pHead, pRREvent;
+ ClientPtr client;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ rrScrPriv(pScreen);
+ int i;
+
+ dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+ RREventType, serverClient, DixReadAccess);
+ if (!pHead)
+ return WT_WALKCHILDREN;
+
+ for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
+ {
+ client = pRREvent->client;
+ if (client == serverClient || client->clientGone)
+ continue;
+
+ if (pRREvent->mask & RRScreenChangeNotifyMask)
+ RRDeliverScreenEvent (client, pWin, pScreen);
+
+ if (pRREvent->mask & RRCrtcChangeNotifyMask)
+ {
+ for (i = 0; i < pScrPriv->numCrtcs; i++)
+ {
+ RRCrtcPtr crtc = pScrPriv->crtcs[i];
+ if (crtc->changed)
+ RRDeliverCrtcEvent (client, pWin, crtc);
+ }
+ }
+
+ if (pRREvent->mask & RROutputChangeNotifyMask)
+ {
+ for (i = 0; i < pScrPriv->numOutputs; i++)
+ {
+ RROutputPtr output = pScrPriv->outputs[i];
+ if (output->changed)
+ RRDeliverOutputEvent (client, pWin, output);
+ }
+ }
+ }
+ return WT_WALKCHILDREN;
+}
+
+/*
+ * Something changed; send events and adjust pointer position
+ */
+void
+RRTellChanged (ScreenPtr pScreen)
+{
+ rrScrPriv (pScreen);
+ int i;
+
+ if (pScrPriv->changed)
+ {
+ UpdateCurrentTime ();
+ if (pScrPriv->configChanged)
+ {
+ pScrPriv->lastConfigTime = currentTime;
+ pScrPriv->configChanged = FALSE;
+ }
+ pScrPriv->changed = FALSE;
+ WalkTree (pScreen, TellChanged, (pointer) pScreen);
+ for (i = 0; i < pScrPriv->numOutputs; i++)
+ pScrPriv->outputs[i]->changed = FALSE;
+ for (i = 0; i < pScrPriv->numCrtcs; i++)
+ pScrPriv->crtcs[i]->changed = FALSE;
+ if (pScrPriv->layoutChanged)
+ {
+ pScrPriv->layoutChanged = FALSE;
+ RRPointerScreenConfigured (pScreen);
+ RRSendConfigNotify (pScreen);
+ }
+ }
+}
+
+/*
+ * Return the first output which is connected to an active CRTC
+ * Used in emulating 1.0 behaviour
+ */
+RROutputPtr
+RRFirstOutput (ScreenPtr pScreen)
+{
+ rrScrPriv(pScreen);
+ RROutputPtr output;
+ int i, j;
+
+ if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc)
+ return pScrPriv->primaryOutput;
+
+ for (i = 0; i < pScrPriv->numCrtcs; i++)
+ {
+ RRCrtcPtr crtc = pScrPriv->crtcs[i];
+ for (j = 0; j < pScrPriv->numOutputs; j++)
+ {
+ output = pScrPriv->outputs[j];
+ if (output->crtc == crtc)
+ return output;
+ }
+ }
+ return NULL;
+}
+
+CARD16
+RRVerticalRefresh (xRRModeInfo *mode)
+{
+ CARD32 refresh;
+ CARD32 dots = mode->hTotal * mode->vTotal;
+ if (!dots)
+ return 0;
+ refresh = (mode->dotClock + dots/2) / dots;
+ if (refresh > 0xffff)
+ refresh = 0xffff;
+ return (CARD16) refresh;
+}
+
+static int
+ProcRRDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+ return BadRequest;
+ return (*ProcRandrVector[stuff->data]) (client);
+}
+
+static int
+SProcRRDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+ return BadRequest;
+ return (*SProcRandrVector[stuff->data]) (client);
+}
+
|