diff options
Diffstat (limited to 'xorg-server/randr/randr.c')
| -rw-r--r-- | xorg-server/randr/randr.c | 998 |
1 files changed, 494 insertions, 504 deletions
diff --git a/xorg-server/randr/randr.c b/xorg-server/randr/randr.c index 1551c63b1..9f3df5fbe 100644 --- a/xorg-server/randr/randr.c +++ b/xorg-server/randr/randr.c @@ -1,504 +1,494 @@ -/*
- * 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 */
-DevPrivateKeyRec RRClientPrivateKeyRec;
-
-DevPrivateKeyRec rrPrivKeyRec;
-
-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;
- }
- if (!dixRegisterPrivateKey(&rrPrivKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- 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);
-
- pScreen->ConstrainCursorHarder = RRConstrainCursorHarder;
-
- 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 (!dixRegisterPrivateKey(&RRClientPrivateKeyRec, PRIVATE_CLIENT,
- 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;
-
- RRModeInitErrorValue();
- RRCrtcInitErrorValue();
- RROutputInitErrorValue();
-
-#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 */ +DevPrivateKeyRec RRClientPrivateKeyRec; + +DevPrivateKeyRec rrPrivKeyRec; + +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; + } + if (!dixRegisterPrivateKey(&rrPrivKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + 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); + + pScreen->ConstrainCursorHarder = RRConstrainCursorHarder; + + 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 (!dixRegisterPrivateKey(&RRClientPrivateKeyRec, PRIVATE_CLIENT, + 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; + + RRModeInitErrorValue(); + RRCrtcInitErrorValue(); + RROutputInitErrorValue(); + +#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); +} |