568 lines
16 KiB
C
568 lines
16 KiB
C
/*
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* Copyright © 2000 Compaq Computer Corporation
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* Copyright © 2002 Hewlett-Packard Company
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* Copyright © 2006 Intel Corporation
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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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* Author: Jim Gettys, Hewlett-Packard Company, Inc.
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* Keith Packard, Intel Corporation
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "randrstr.h"
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#include "extinit.h"
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/* From render.h */
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#ifndef SubPixelUnknown
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#define SubPixelUnknown 0
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#endif
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#define RR_VALIDATE
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static int RRNScreens;
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#define wrap(priv,real,mem,func) {\
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priv->mem = real->mem; \
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real->mem = func; \
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}
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#define unwrap(priv,real,mem) {\
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real->mem = priv->mem; \
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}
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static int ProcRRDispatch(ClientPtr pClient);
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static int SProcRRDispatch(ClientPtr pClient);
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int RREventBase;
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int RRErrorBase;
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RESTYPE RRClientType, RREventType; /* resource types for event masks */
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DevPrivateKeyRec RRClientPrivateKeyRec;
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DevPrivateKeyRec rrPrivKeyRec;
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static void
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RRClientCallback(CallbackListPtr *list, pointer closure, pointer data)
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{
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NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
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ClientPtr pClient = clientinfo->client;
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rrClientPriv(pClient);
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RRTimesPtr pTimes = (RRTimesPtr) (pRRClient + 1);
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int i;
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pRRClient->major_version = 0;
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pRRClient->minor_version = 0;
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for (i = 0; i < screenInfo.numScreens; i++) {
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ScreenPtr pScreen = screenInfo.screens[i];
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rrScrPriv(pScreen);
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if (pScrPriv) {
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pTimes[i].setTime = pScrPriv->lastSetTime;
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pTimes[i].configTime = pScrPriv->lastConfigTime;
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}
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}
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}
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static Bool
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RRCloseScreen(ScreenPtr pScreen)
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{
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rrScrPriv(pScreen);
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int j;
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unwrap(pScrPriv, pScreen, CloseScreen);
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for (j = pScrPriv->numCrtcs - 1; j >= 0; j--)
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RRCrtcDestroy(pScrPriv->crtcs[j]);
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for (j = pScrPriv->numOutputs - 1; j >= 0; j--)
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RROutputDestroy(pScrPriv->outputs[j]);
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if (pScrPriv->provider)
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RRProviderDestroy(pScrPriv->provider);
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free(pScrPriv->crtcs);
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free(pScrPriv->outputs);
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free(pScrPriv);
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RRNScreens -= 1; /* ok, one fewer screen with RandR running */
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return (*pScreen->CloseScreen) (pScreen);
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}
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static void
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SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent * from,
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xRRScreenChangeNotifyEvent * to)
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{
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to->type = from->type;
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to->rotation = from->rotation;
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cpswaps(from->sequenceNumber, to->sequenceNumber);
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cpswapl(from->timestamp, to->timestamp);
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cpswapl(from->configTimestamp, to->configTimestamp);
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cpswapl(from->root, to->root);
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cpswapl(from->window, to->window);
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cpswaps(from->sizeID, to->sizeID);
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cpswaps(from->subpixelOrder, to->subpixelOrder);
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cpswaps(from->widthInPixels, to->widthInPixels);
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cpswaps(from->heightInPixels, to->heightInPixels);
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cpswaps(from->widthInMillimeters, to->widthInMillimeters);
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cpswaps(from->heightInMillimeters, to->heightInMillimeters);
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}
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static void
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SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent * from,
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xRRCrtcChangeNotifyEvent * to)
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{
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to->type = from->type;
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to->subCode = from->subCode;
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cpswaps(from->sequenceNumber, to->sequenceNumber);
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cpswapl(from->timestamp, to->timestamp);
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cpswapl(from->window, to->window);
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cpswapl(from->crtc, to->crtc);
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cpswapl(from->mode, to->mode);
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cpswaps(from->rotation, to->rotation);
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/* pad1 */
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cpswaps(from->x, to->x);
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cpswaps(from->y, to->y);
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cpswaps(from->width, to->width);
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cpswaps(from->height, to->height);
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}
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static void
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SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent * from,
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xRROutputChangeNotifyEvent * to)
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{
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to->type = from->type;
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to->subCode = from->subCode;
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cpswaps(from->sequenceNumber, to->sequenceNumber);
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cpswapl(from->timestamp, to->timestamp);
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cpswapl(from->configTimestamp, to->configTimestamp);
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cpswapl(from->window, to->window);
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cpswapl(from->output, to->output);
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cpswapl(from->crtc, to->crtc);
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cpswapl(from->mode, to->mode);
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cpswaps(from->rotation, to->rotation);
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to->connection = from->connection;
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to->subpixelOrder = from->subpixelOrder;
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}
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static void
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SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent * from,
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xRROutputPropertyNotifyEvent * to)
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{
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to->type = from->type;
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to->subCode = from->subCode;
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cpswaps(from->sequenceNumber, to->sequenceNumber);
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cpswapl(from->window, to->window);
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cpswapl(from->output, to->output);
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cpswapl(from->atom, to->atom);
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cpswapl(from->timestamp, to->timestamp);
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to->state = from->state;
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/* pad1 */
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/* pad2 */
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/* pad3 */
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/* pad4 */
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}
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static void
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SRRProviderChangeNotifyEvent(xRRProviderChangeNotifyEvent * from,
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xRRProviderChangeNotifyEvent * to)
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{
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to->type = from->type;
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to->subCode = from->subCode;
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cpswaps(from->sequenceNumber, to->sequenceNumber);
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cpswapl(from->timestamp, to->timestamp);
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cpswapl(from->window, to->window);
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cpswapl(from->provider, to->provider);
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}
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static void
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SRRProviderPropertyNotifyEvent(xRRProviderPropertyNotifyEvent * from,
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xRRProviderPropertyNotifyEvent * to)
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{
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to->type = from->type;
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to->subCode = from->subCode;
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cpswaps(from->sequenceNumber, to->sequenceNumber);
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cpswapl(from->window, to->window);
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cpswapl(from->provider, to->provider);
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cpswapl(from->atom, to->atom);
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cpswapl(from->timestamp, to->timestamp);
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to->state = from->state;
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/* pad1 */
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/* pad2 */
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/* pad3 */
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/* pad4 */
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}
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static void
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SRRResourceChangeNotifyEvent(xRRResourceChangeNotifyEvent * from,
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xRRResourceChangeNotifyEvent * to)
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{
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to->type = from->type;
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to->subCode = from->subCode;
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cpswaps(from->sequenceNumber, to->sequenceNumber);
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cpswapl(from->timestamp, to->timestamp);
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cpswapl(from->window, to->window);
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}
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static void
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SRRNotifyEvent(xEvent *from, xEvent *to)
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{
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switch (from->u.u.detail) {
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case RRNotify_CrtcChange:
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SRRCrtcChangeNotifyEvent((xRRCrtcChangeNotifyEvent *) from,
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(xRRCrtcChangeNotifyEvent *) to);
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break;
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case RRNotify_OutputChange:
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SRROutputChangeNotifyEvent((xRROutputChangeNotifyEvent *) from,
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(xRROutputChangeNotifyEvent *) to);
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break;
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case RRNotify_OutputProperty:
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SRROutputPropertyNotifyEvent((xRROutputPropertyNotifyEvent *) from,
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(xRROutputPropertyNotifyEvent *) to);
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break;
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case RRNotify_ProviderChange:
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SRRProviderChangeNotifyEvent((xRRProviderChangeNotifyEvent *) from,
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(xRRProviderChangeNotifyEvent *) to);
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break;
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case RRNotify_ProviderProperty:
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SRRProviderPropertyNotifyEvent((xRRProviderPropertyNotifyEvent *) from,
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(xRRProviderPropertyNotifyEvent *) to);
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break;
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case RRNotify_ResourceChange:
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SRRResourceChangeNotifyEvent((xRRResourceChangeNotifyEvent *) from,
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(xRRResourceChangeNotifyEvent *) to);
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default:
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break;
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}
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}
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static int RRGeneration;
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Bool
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RRInit(void)
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{
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if (RRGeneration != serverGeneration) {
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if (!RRModeInit())
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return FALSE;
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if (!RRCrtcInit())
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return FALSE;
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if (!RROutputInit())
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return FALSE;
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if (!RRProviderInit())
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return FALSE;
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RRGeneration = serverGeneration;
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}
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if (!dixRegisterPrivateKey(&rrPrivKeyRec, PRIVATE_SCREEN, 0))
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return FALSE;
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return TRUE;
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}
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Bool
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RRScreenInit(ScreenPtr pScreen)
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{
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rrScrPrivPtr pScrPriv;
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if (!RRInit())
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return FALSE;
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pScrPriv = (rrScrPrivPtr) calloc(1, sizeof(rrScrPrivRec));
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if (!pScrPriv)
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return FALSE;
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SetRRScreen(pScreen, pScrPriv);
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/*
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* Calling function best set these function vectors
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*/
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pScrPriv->rrGetInfo = 0;
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pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width;
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pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height;
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pScrPriv->width = pScreen->width;
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pScrPriv->height = pScreen->height;
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pScrPriv->mmWidth = pScreen->mmWidth;
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pScrPriv->mmHeight = pScreen->mmHeight;
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#if RANDR_12_INTERFACE
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pScrPriv->rrScreenSetSize = NULL;
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pScrPriv->rrCrtcSet = NULL;
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pScrPriv->rrCrtcSetGamma = NULL;
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#endif
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#if RANDR_10_INTERFACE
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pScrPriv->rrSetConfig = 0;
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pScrPriv->rotations = RR_Rotate_0;
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pScrPriv->reqWidth = pScreen->width;
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pScrPriv->reqHeight = pScreen->height;
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pScrPriv->nSizes = 0;
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pScrPriv->pSizes = NULL;
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pScrPriv->rotation = RR_Rotate_0;
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pScrPriv->rate = 0;
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pScrPriv->size = 0;
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#endif
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/*
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* This value doesn't really matter -- any client must call
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* GetScreenInfo before reading it which will automatically update
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* the time
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*/
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pScrPriv->lastSetTime = currentTime;
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pScrPriv->lastConfigTime = currentTime;
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wrap(pScrPriv, pScreen, CloseScreen, RRCloseScreen);
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pScreen->ConstrainCursorHarder = RRConstrainCursorHarder;
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pScreen->ReplaceScanoutPixmap = RRReplaceScanoutPixmap;
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pScrPriv->numOutputs = 0;
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pScrPriv->outputs = NULL;
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pScrPriv->numCrtcs = 0;
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pScrPriv->crtcs = NULL;
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RRNScreens += 1; /* keep count of screens that implement randr */
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return TRUE;
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}
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/*ARGSUSED*/ static int
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RRFreeClient(pointer data, XID id)
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{
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RREventPtr pRREvent;
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WindowPtr pWin;
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RREventPtr *pHead, pCur, pPrev;
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pRREvent = (RREventPtr) data;
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pWin = pRREvent->window;
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dixLookupResourceByType((pointer *) &pHead, pWin->drawable.id,
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RREventType, serverClient, DixDestroyAccess);
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if (pHead) {
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pPrev = 0;
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for (pCur = *pHead; pCur && pCur != pRREvent; pCur = pCur->next)
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pPrev = pCur;
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if (pCur) {
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if (pPrev)
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pPrev->next = pRREvent->next;
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else
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*pHead = pRREvent->next;
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}
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}
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free((pointer) pRREvent);
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return 1;
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}
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/*ARGSUSED*/ static int
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RRFreeEvents(pointer data, XID id)
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{
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RREventPtr *pHead, pCur, pNext;
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pHead = (RREventPtr *) data;
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for (pCur = *pHead; pCur; pCur = pNext) {
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pNext = pCur->next;
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FreeResource(pCur->clientResource, RRClientType);
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free((pointer) pCur);
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}
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free((pointer) pHead);
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return 1;
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}
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void
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RRExtensionInit(void)
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{
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ExtensionEntry *extEntry;
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if (RRNScreens == 0)
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return;
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if (!dixRegisterPrivateKey(&RRClientPrivateKeyRec, PRIVATE_CLIENT,
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sizeof(RRClientRec) +
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screenInfo.numScreens * sizeof(RRTimesRec)))
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return;
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if (!AddCallback(&ClientStateCallback, RRClientCallback, 0))
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return;
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RRClientType = CreateNewResourceType(RRFreeClient, "RandRClient");
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if (!RRClientType)
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return;
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RREventType = CreateNewResourceType(RRFreeEvents, "RandREvent");
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if (!RREventType)
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return;
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extEntry = AddExtension(RANDR_NAME, RRNumberEvents, RRNumberErrors,
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ProcRRDispatch, SProcRRDispatch,
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NULL, StandardMinorOpcode);
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if (!extEntry)
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return;
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RRErrorBase = extEntry->errorBase;
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RREventBase = extEntry->eventBase;
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EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr)
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SRRScreenChangeNotifyEvent;
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EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr)
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SRRNotifyEvent;
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RRModeInitErrorValue();
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RRCrtcInitErrorValue();
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RROutputInitErrorValue();
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RRProviderInitErrorValue();
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#ifdef PANORAMIX
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RRXineramaExtensionInit();
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#endif
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}
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static int
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TellChanged(WindowPtr pWin, pointer value)
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{
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RREventPtr *pHead, pRREvent;
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ClientPtr client;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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rrScrPriv(pScreen);
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int i;
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dixLookupResourceByType((pointer *) &pHead, pWin->drawable.id,
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RREventType, serverClient, DixReadAccess);
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if (!pHead)
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return WT_WALKCHILDREN;
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for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
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client = pRREvent->client;
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if (client == serverClient || client->clientGone)
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continue;
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if (pRREvent->mask & RRScreenChangeNotifyMask)
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RRDeliverScreenEvent(client, pWin, pScreen);
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if (pRREvent->mask & RRCrtcChangeNotifyMask) {
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for (i = 0; i < pScrPriv->numCrtcs; i++) {
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RRCrtcPtr crtc = pScrPriv->crtcs[i];
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if (crtc->changed)
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RRDeliverCrtcEvent(client, pWin, crtc);
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}
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}
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if (pRREvent->mask & RROutputChangeNotifyMask) {
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for (i = 0; i < pScrPriv->numOutputs; i++) {
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RROutputPtr output = pScrPriv->outputs[i];
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if (output->changed)
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RRDeliverOutputEvent(client, pWin, output);
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}
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}
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}
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return WT_WALKCHILDREN;
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}
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/*
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* Something changed; send events and adjust pointer position
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*/
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void
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RRTellChanged(ScreenPtr pScreen)
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{
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ScreenPtr master;
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rrScrPriv(pScreen);
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rrScrPrivPtr mastersp;
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int i;
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if (pScreen->isGPU) {
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master = pScreen->current_master;
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mastersp = rrGetScrPriv(master);
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}
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else {
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master = pScreen;
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mastersp = pScrPriv;
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}
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if (pScrPriv->changed) {
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UpdateCurrentTimeIf();
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if (mastersp->configChanged) {
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mastersp->lastConfigTime = currentTime;
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mastersp->configChanged = FALSE;
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}
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pScrPriv->changed = FALSE;
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mastersp->changed = FALSE;
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WalkTree(master, TellChanged, (pointer) master);
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for (i = 0; i < pScrPriv->numOutputs; i++)
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pScrPriv->outputs[i]->changed = FALSE;
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for (i = 0; i < pScrPriv->numCrtcs; i++)
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pScrPriv->crtcs[i]->changed = FALSE;
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if (mastersp->layoutChanged) {
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pScrPriv->layoutChanged = FALSE;
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RRPointerScreenConfigured(master);
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RRSendConfigNotify(master);
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}
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}
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}
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/*
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* Return the first output which is connected to an active CRTC
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* Used in emulating 1.0 behaviour
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*/
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RROutputPtr
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RRFirstOutput(ScreenPtr pScreen)
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{
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rrScrPriv(pScreen);
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RROutputPtr output;
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int i, j;
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if (!pScrPriv)
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return NULL;
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if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc)
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return pScrPriv->primaryOutput;
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for (i = 0; i < pScrPriv->numCrtcs; i++) {
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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);
|
|
}
|