diff options
Diffstat (limited to 'xorg-server/randr/rrxinerama.c')
| -rw-r--r-- | xorg-server/randr/rrxinerama.c | 952 |
1 files changed, 476 insertions, 476 deletions
diff --git a/xorg-server/randr/rrxinerama.c b/xorg-server/randr/rrxinerama.c index 94c8e54e5..374789374 100644 --- a/xorg-server/randr/rrxinerama.c +++ b/xorg-server/randr/rrxinerama.c @@ -1,476 +1,476 @@ -/* - * Copyright © 2006 Keith Packard - * - * 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. - */ -/* - * This Xinerama implementation comes from the SiS driver which has - * the following notice: - */ -/* - * SiS driver main code - * - * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1) Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2) Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3) The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Author: Thomas Winischhofer <thomas@winischhofer.net> - * - driver entirely rewritten since 2001, only basic structure taken from - * old code (except sis_dri.c, sis_shadow.c, sis_accel.c and parts of - * sis_dga.c; these were mostly taken over; sis_dri.c was changed for - * new versions of the DRI layer) - * - * This notice covers the entire driver code unless indicated otherwise. - * - * Formerly based on code which was - * Copyright (C) 1998, 1999 by Alan Hourihane, Wigan, England. - * Written by: - * Alan Hourihane <alanh@fairlite.demon.co.uk>, - * Mike Chapman <mike@paranoia.com>, - * Juanjo Santamarta <santamarta@ctv.es>, - * Mitani Hiroshi <hmitani@drl.mei.co.jp>, - * David Thomas <davtom@dream.org.uk>. - */ - -#include "randrstr.h" -#include "swaprep.h" -#include <X11/extensions/panoramiXproto.h> -#include "protocol-versions.h" - -/* Xinerama is not multi-screen capable; just report about screen 0 */ -#define RR_XINERAMA_SCREEN 0 - -static int ProcRRXineramaQueryVersion(ClientPtr client); -static int ProcRRXineramaGetState(ClientPtr client); -static int ProcRRXineramaGetScreenCount(ClientPtr client); -static int ProcRRXineramaGetScreenSize(ClientPtr client); -static int ProcRRXineramaIsActive(ClientPtr client); -static int ProcRRXineramaQueryScreens(ClientPtr client); -static int SProcRRXineramaDispatch(ClientPtr client); - -/* Proc */ - -int -ProcRRXineramaQueryVersion(ClientPtr client) -{ - xPanoramiXQueryVersionReply rep; - register int n; - - REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.majorVersion = SERVER_RRXINERAMA_MAJOR_VERSION; - rep.minorVersion = SERVER_RRXINERAMA_MINOR_VERSION; - if(client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.majorVersion, n); - swaps(&rep.minorVersion, n); - } - WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *)&rep); - return (client->noClientException); -} - -int -ProcRRXineramaGetState(ClientPtr client) -{ - REQUEST(xPanoramiXGetStateReq); - WindowPtr pWin; - xPanoramiXGetStateReply rep; - register int n, rc; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - Bool active = FALSE; - - REQUEST_SIZE_MATCH(xPanoramiXGetStateReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if(rc != Success) - return rc; - - pScreen = pWin->drawable.pScreen; - pScrPriv = rrGetScrPriv(pScreen); - if (pScrPriv) - { - /* XXX do we need more than this? */ - active = TRUE; - } - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.state = active; - rep.window = stuff->window; - if(client->swapped) { - swaps (&rep.sequenceNumber, n); - swapl (&rep.length, n); - swapl (&rep.window, n); - } - WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep); - return client->noClientException; -} - -static Bool -RRXineramaCrtcActive (RRCrtcPtr crtc) -{ - return crtc->mode != NULL && crtc->numOutputs > 0; -} - -static int -RRXineramaScreenCount (ScreenPtr pScreen) -{ - int i, n; - - n = 0; - if (rrGetScrPriv (pScreen)) - { - rrScrPriv(pScreen); - for (i = 0; i < pScrPriv->numCrtcs; i++) - if (RRXineramaCrtcActive (pScrPriv->crtcs[i])) - n++; - } - return n; -} - -static Bool -RRXineramaScreenActive (ScreenPtr pScreen) -{ - return RRXineramaScreenCount (pScreen) > 0; -} - -int -ProcRRXineramaGetScreenCount(ClientPtr client) -{ - REQUEST(xPanoramiXGetScreenCountReq); - WindowPtr pWin; - xPanoramiXGetScreenCountReply rep; - register int n, rc; - - REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.ScreenCount = RRXineramaScreenCount (pWin->drawable.pScreen); - rep.window = stuff->window; - if(client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swapl(&rep.window, n); - } - WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep); - return client->noClientException; -} - -int -ProcRRXineramaGetScreenSize(ClientPtr client) -{ - REQUEST(xPanoramiXGetScreenSizeReq); - WindowPtr pWin, pRoot; - ScreenPtr pScreen; - xPanoramiXGetScreenSizeReply rep; - register int n, rc; - - REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - pScreen = pWin->drawable.pScreen; - pRoot = WindowTable[pScreen->myNum]; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.width = pRoot->drawable.width; - rep.height = pRoot->drawable.height; - rep.window = stuff->window; - rep.screen = stuff->screen; - if(client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swapl(&rep.width, n); - swapl(&rep.height, n); - swapl(&rep.window, n); - swapl(&rep.screen, n); - } - WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep); - return client->noClientException; -} - -int -ProcRRXineramaIsActive(ClientPtr client) -{ - xXineramaIsActiveReply rep; - - REQUEST_SIZE_MATCH(xXineramaIsActiveReq); - - memset(&rep, 0, sizeof(xXineramaIsActiveReply)); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.state = RRXineramaScreenActive (screenInfo.screens[RR_XINERAMA_SCREEN]); - if(client->swapped) { - register int n; - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swapl(&rep.state, n); - } - WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *) &rep); - return client->noClientException; -} - -static void -RRXineramaWriteCrtc(ClientPtr client, RRCrtcPtr crtc) -{ - xXineramaScreenInfo scratch; - - if (RRXineramaCrtcActive (crtc)) - { - ScreenPtr pScreen = crtc->pScreen; - rrScrPrivPtr pScrPriv = rrGetScrPriv(pScreen); - BoxRec panned_area; - - /* Check to see if crtc is panned and return the full area when applicable. */ - if (pScrPriv && pScrPriv->rrGetPanning && - pScrPriv->rrGetPanning (pScreen, crtc, &panned_area, NULL, NULL) && - (panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1)) { - scratch.x_org = panned_area.x1; - scratch.y_org = panned_area.y1; - scratch.width = panned_area.x2 - panned_area.x1; - scratch.height = panned_area.y2 - panned_area.y1; - } else { - int width, height; - RRCrtcGetScanoutSize (crtc, &width, &height); - scratch.x_org = crtc->x; - scratch.y_org = crtc->y; - scratch.width = width; - scratch.height = height; - } - if(client->swapped) { - register int n; - swaps(&scratch.x_org, n); - swaps(&scratch.y_org, n); - swaps(&scratch.width, n); - swaps(&scratch.height, n); - } - WriteToClient(client, sz_XineramaScreenInfo, &scratch); - } -} - -int -ProcRRXineramaQueryScreens(ClientPtr client) -{ - xXineramaQueryScreensReply rep; - ScreenPtr pScreen = screenInfo.screens[RR_XINERAMA_SCREEN]; - - REQUEST_SIZE_MATCH(xXineramaQueryScreensReq); - - if (RRXineramaScreenActive (pScreen)) - RRGetInfo (pScreen, FALSE); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.number = RRXineramaScreenCount (pScreen); - rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo); - if(client->swapped) { - register int n; - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swapl(&rep.number, n); - } - WriteToClient(client, sizeof(xXineramaQueryScreensReply), (char *)&rep); - - if(rep.number) { - rrScrPriv(pScreen); - int i; - int has_primary = 0; - - if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) { - has_primary = 1; - RRXineramaWriteCrtc(client, pScrPriv->primaryOutput->crtc); - } - - for(i = 0; i < pScrPriv->numCrtcs; i++) { - if (has_primary && - pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i]) - { - has_primary = 0; - continue; - } - RRXineramaWriteCrtc(client, pScrPriv->crtcs[i]); - } - } - - return client->noClientException; -} - -static int -ProcRRXineramaDispatch(ClientPtr client) -{ - REQUEST(xReq); - switch (stuff->data) { - case X_PanoramiXQueryVersion: - return ProcRRXineramaQueryVersion(client); - case X_PanoramiXGetState: - return ProcRRXineramaGetState(client); - case X_PanoramiXGetScreenCount: - return ProcRRXineramaGetScreenCount(client); - case X_PanoramiXGetScreenSize: - return ProcRRXineramaGetScreenSize(client); - case X_XineramaIsActive: - return ProcRRXineramaIsActive(client); - case X_XineramaQueryScreens: - return ProcRRXineramaQueryScreens(client); - } - return BadRequest; -} - -/* SProc */ - -static int -SProcRRXineramaQueryVersion (ClientPtr client) -{ - REQUEST(xPanoramiXQueryVersionReq); - register int n; - swaps(&stuff->length,n); - REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq); - return ProcRRXineramaQueryVersion(client); -} - -static int -SProcRRXineramaGetState(ClientPtr client) -{ - REQUEST(xPanoramiXGetStateReq); - register int n; - swaps (&stuff->length, n); - REQUEST_SIZE_MATCH(xPanoramiXGetStateReq); - swapl (&stuff->window, n); - return ProcRRXineramaGetState(client); -} - -static int -SProcRRXineramaGetScreenCount(ClientPtr client) -{ - REQUEST(xPanoramiXGetScreenCountReq); - register int n; - swaps (&stuff->length, n); - REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq); - swapl (&stuff->window, n); - return ProcRRXineramaGetScreenCount(client); -} - -static int -SProcRRXineramaGetScreenSize(ClientPtr client) -{ - REQUEST(xPanoramiXGetScreenSizeReq); - register int n; - swaps (&stuff->length, n); - REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); - swapl (&stuff->window, n); - swapl (&stuff->screen, n); - return ProcRRXineramaGetScreenSize(client); -} - -static int -SProcRRXineramaIsActive(ClientPtr client) -{ - REQUEST(xXineramaIsActiveReq); - register int n; - swaps (&stuff->length, n); - REQUEST_SIZE_MATCH(xXineramaIsActiveReq); - return ProcRRXineramaIsActive(client); -} - -static int -SProcRRXineramaQueryScreens(ClientPtr client) -{ - REQUEST(xXineramaQueryScreensReq); - register int n; - swaps (&stuff->length, n); - REQUEST_SIZE_MATCH(xXineramaQueryScreensReq); - return ProcRRXineramaQueryScreens(client); -} - -int -SProcRRXineramaDispatch(ClientPtr client) -{ - REQUEST(xReq); - switch (stuff->data) { - case X_PanoramiXQueryVersion: - return SProcRRXineramaQueryVersion(client); - case X_PanoramiXGetState: - return SProcRRXineramaGetState(client); - case X_PanoramiXGetScreenCount: - return SProcRRXineramaGetScreenCount(client); - case X_PanoramiXGetScreenSize: - return SProcRRXineramaGetScreenSize(client); - case X_XineramaIsActive: - return SProcRRXineramaIsActive(client); - case X_XineramaQueryScreens: - return SProcRRXineramaQueryScreens(client); - } - return BadRequest; -} - -void -RRXineramaExtensionInit(void) -{ -#ifdef PANORAMIX - if(!noPanoramiXExtension) - return; -#endif - - /* - * Xinerama isn't capable enough to have multiple protocol screens each - * with their own output geometry. So if there's more than one protocol - * screen, just don't even try. - */ - if (screenInfo.numScreens > 1) - return; - - (void) AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0, - ProcRRXineramaDispatch, - SProcRRXineramaDispatch, - NULL, - StandardMinorOpcode); -} +/*
+ * Copyright © 2006 Keith Packard
+ *
+ * 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.
+ */
+/*
+ * This Xinerama implementation comes from the SiS driver which has
+ * the following notice:
+ */
+/*
+ * SiS driver main code
+ *
+ * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1) Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2) Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3) The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Thomas Winischhofer <thomas@winischhofer.net>
+ * - driver entirely rewritten since 2001, only basic structure taken from
+ * old code (except sis_dri.c, sis_shadow.c, sis_accel.c and parts of
+ * sis_dga.c; these were mostly taken over; sis_dri.c was changed for
+ * new versions of the DRI layer)
+ *
+ * This notice covers the entire driver code unless indicated otherwise.
+ *
+ * Formerly based on code which was
+ * Copyright (C) 1998, 1999 by Alan Hourihane, Wigan, England.
+ * Written by:
+ * Alan Hourihane <alanh@fairlite.demon.co.uk>,
+ * Mike Chapman <mike@paranoia.com>,
+ * Juanjo Santamarta <santamarta@ctv.es>,
+ * Mitani Hiroshi <hmitani@drl.mei.co.jp>,
+ * David Thomas <davtom@dream.org.uk>.
+ */
+
+#include "randrstr.h"
+#include "swaprep.h"
+#include <X11/extensions/panoramiXproto.h>
+#include "protocol-versions.h"
+
+/* Xinerama is not multi-screen capable; just report about screen 0 */
+#define RR_XINERAMA_SCREEN 0
+
+static int ProcRRXineramaQueryVersion(ClientPtr client);
+static int ProcRRXineramaGetState(ClientPtr client);
+static int ProcRRXineramaGetScreenCount(ClientPtr client);
+static int ProcRRXineramaGetScreenSize(ClientPtr client);
+static int ProcRRXineramaIsActive(ClientPtr client);
+static int ProcRRXineramaQueryScreens(ClientPtr client);
+static int SProcRRXineramaDispatch(ClientPtr client);
+
+/* Proc */
+
+int
+ProcRRXineramaQueryVersion(ClientPtr client)
+{
+ xPanoramiXQueryVersionReply rep;
+ register int n;
+
+ REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = SERVER_RRXINERAMA_MAJOR_VERSION;
+ rep.minorVersion = SERVER_RRXINERAMA_MINOR_VERSION;
+ if(client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swaps(&rep.majorVersion, n);
+ swaps(&rep.minorVersion, n);
+ }
+ WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *)&rep);
+ return Success;
+}
+
+int
+ProcRRXineramaGetState(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetStateReq);
+ WindowPtr pWin;
+ xPanoramiXGetStateReply rep;
+ register int n, rc;
+ ScreenPtr pScreen;
+ rrScrPrivPtr pScrPriv;
+ Bool active = FALSE;
+
+ REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if(rc != Success)
+ return rc;
+
+ pScreen = pWin->drawable.pScreen;
+ pScrPriv = rrGetScrPriv(pScreen);
+ if (pScrPriv)
+ {
+ /* XXX do we need more than this? */
+ active = TRUE;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.state = active;
+ rep.window = stuff->window;
+ if(client->swapped) {
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ swapl (&rep.window, n);
+ }
+ WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep);
+ return Success;
+}
+
+static Bool
+RRXineramaCrtcActive (RRCrtcPtr crtc)
+{
+ return crtc->mode != NULL && crtc->numOutputs > 0;
+}
+
+static int
+RRXineramaScreenCount (ScreenPtr pScreen)
+{
+ int i, n;
+
+ n = 0;
+ if (rrGetScrPriv (pScreen))
+ {
+ rrScrPriv(pScreen);
+ for (i = 0; i < pScrPriv->numCrtcs; i++)
+ if (RRXineramaCrtcActive (pScrPriv->crtcs[i]))
+ n++;
+ }
+ return n;
+}
+
+static Bool
+RRXineramaScreenActive (ScreenPtr pScreen)
+{
+ return RRXineramaScreenCount (pScreen) > 0;
+}
+
+int
+ProcRRXineramaGetScreenCount(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenCountReq);
+ WindowPtr pWin;
+ xPanoramiXGetScreenCountReply rep;
+ register int n, rc;
+
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.ScreenCount = RRXineramaScreenCount (pWin->drawable.pScreen);
+ rep.window = stuff->window;
+ if(client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.window, n);
+ }
+ WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
+ return Success;
+}
+
+int
+ProcRRXineramaGetScreenSize(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenSizeReq);
+ WindowPtr pWin, pRoot;
+ ScreenPtr pScreen;
+ xPanoramiXGetScreenSizeReply rep;
+ register int n, rc;
+
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ pScreen = pWin->drawable.pScreen;
+ pRoot = WindowTable[pScreen->myNum];
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.width = pRoot->drawable.width;
+ rep.height = pRoot->drawable.height;
+ rep.window = stuff->window;
+ rep.screen = stuff->screen;
+ if(client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.width, n);
+ swapl(&rep.height, n);
+ swapl(&rep.window, n);
+ swapl(&rep.screen, n);
+ }
+ WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
+ return Success;
+}
+
+int
+ProcRRXineramaIsActive(ClientPtr client)
+{
+ xXineramaIsActiveReply rep;
+
+ REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+
+ memset(&rep, 0, sizeof(xXineramaIsActiveReply));
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.state = RRXineramaScreenActive (screenInfo.screens[RR_XINERAMA_SCREEN]);
+ if(client->swapped) {
+ register int n;
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.state, n);
+ }
+ WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *) &rep);
+ return Success;
+}
+
+static void
+RRXineramaWriteCrtc(ClientPtr client, RRCrtcPtr crtc)
+{
+ xXineramaScreenInfo scratch;
+
+ if (RRXineramaCrtcActive (crtc))
+ {
+ ScreenPtr pScreen = crtc->pScreen;
+ rrScrPrivPtr pScrPriv = rrGetScrPriv(pScreen);
+ BoxRec panned_area;
+
+ /* Check to see if crtc is panned and return the full area when applicable. */
+ if (pScrPriv && pScrPriv->rrGetPanning &&
+ pScrPriv->rrGetPanning (pScreen, crtc, &panned_area, NULL, NULL) &&
+ (panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1)) {
+ scratch.x_org = panned_area.x1;
+ scratch.y_org = panned_area.y1;
+ scratch.width = panned_area.x2 - panned_area.x1;
+ scratch.height = panned_area.y2 - panned_area.y1;
+ } else {
+ int width, height;
+ RRCrtcGetScanoutSize (crtc, &width, &height);
+ scratch.x_org = crtc->x;
+ scratch.y_org = crtc->y;
+ scratch.width = width;
+ scratch.height = height;
+ }
+ if(client->swapped) {
+ register int n;
+ swaps(&scratch.x_org, n);
+ swaps(&scratch.y_org, n);
+ swaps(&scratch.width, n);
+ swaps(&scratch.height, n);
+ }
+ WriteToClient(client, sz_XineramaScreenInfo, &scratch);
+ }
+}
+
+int
+ProcRRXineramaQueryScreens(ClientPtr client)
+{
+ xXineramaQueryScreensReply rep;
+ ScreenPtr pScreen = screenInfo.screens[RR_XINERAMA_SCREEN];
+
+ REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+
+ if (RRXineramaScreenActive (pScreen))
+ RRGetInfo (pScreen, FALSE);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.number = RRXineramaScreenCount (pScreen);
+ rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo);
+ if(client->swapped) {
+ register int n;
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.number, n);
+ }
+ WriteToClient(client, sizeof(xXineramaQueryScreensReply), (char *)&rep);
+
+ if(rep.number) {
+ rrScrPriv(pScreen);
+ int i;
+ int has_primary = 0;
+
+ if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) {
+ has_primary = 1;
+ RRXineramaWriteCrtc(client, pScrPriv->primaryOutput->crtc);
+ }
+
+ for(i = 0; i < pScrPriv->numCrtcs; i++) {
+ if (has_primary &&
+ pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i])
+ {
+ has_primary = 0;
+ continue;
+ }
+ RRXineramaWriteCrtc(client, pScrPriv->crtcs[i]);
+ }
+ }
+
+ return Success;
+}
+
+static int
+ProcRRXineramaDispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data) {
+ case X_PanoramiXQueryVersion:
+ return ProcRRXineramaQueryVersion(client);
+ case X_PanoramiXGetState:
+ return ProcRRXineramaGetState(client);
+ case X_PanoramiXGetScreenCount:
+ return ProcRRXineramaGetScreenCount(client);
+ case X_PanoramiXGetScreenSize:
+ return ProcRRXineramaGetScreenSize(client);
+ case X_XineramaIsActive:
+ return ProcRRXineramaIsActive(client);
+ case X_XineramaQueryScreens:
+ return ProcRRXineramaQueryScreens(client);
+ }
+ return BadRequest;
+}
+
+/* SProc */
+
+static int
+SProcRRXineramaQueryVersion (ClientPtr client)
+{
+ REQUEST(xPanoramiXQueryVersionReq);
+ register int n;
+ swaps(&stuff->length,n);
+ REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
+ return ProcRRXineramaQueryVersion(client);
+}
+
+static int
+SProcRRXineramaGetState(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetStateReq);
+ register int n;
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+ swapl (&stuff->window, n);
+ return ProcRRXineramaGetState(client);
+}
+
+static int
+SProcRRXineramaGetScreenCount(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenCountReq);
+ register int n;
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+ swapl (&stuff->window, n);
+ return ProcRRXineramaGetScreenCount(client);
+}
+
+static int
+SProcRRXineramaGetScreenSize(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenSizeReq);
+ register int n;
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+ swapl (&stuff->window, n);
+ swapl (&stuff->screen, n);
+ return ProcRRXineramaGetScreenSize(client);
+}
+
+static int
+SProcRRXineramaIsActive(ClientPtr client)
+{
+ REQUEST(xXineramaIsActiveReq);
+ register int n;
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+ return ProcRRXineramaIsActive(client);
+}
+
+static int
+SProcRRXineramaQueryScreens(ClientPtr client)
+{
+ REQUEST(xXineramaQueryScreensReq);
+ register int n;
+ swaps (&stuff->length, n);
+ REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+ return ProcRRXineramaQueryScreens(client);
+}
+
+int
+SProcRRXineramaDispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data) {
+ case X_PanoramiXQueryVersion:
+ return SProcRRXineramaQueryVersion(client);
+ case X_PanoramiXGetState:
+ return SProcRRXineramaGetState(client);
+ case X_PanoramiXGetScreenCount:
+ return SProcRRXineramaGetScreenCount(client);
+ case X_PanoramiXGetScreenSize:
+ return SProcRRXineramaGetScreenSize(client);
+ case X_XineramaIsActive:
+ return SProcRRXineramaIsActive(client);
+ case X_XineramaQueryScreens:
+ return SProcRRXineramaQueryScreens(client);
+ }
+ return BadRequest;
+}
+
+void
+RRXineramaExtensionInit(void)
+{
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension)
+ return;
+#endif
+
+ /*
+ * Xinerama isn't capable enough to have multiple protocol screens each
+ * with their own output geometry. So if there's more than one protocol
+ * screen, just don't even try.
+ */
+ if (screenInfo.numScreens > 1)
+ return;
+
+ (void) AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0,
+ ProcRRXineramaDispatch,
+ SProcRRXineramaDispatch,
+ NULL,
+ StandardMinorOpcode);
+}
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