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-rw-r--r--xorg-server/randr/rrxinerama.c942
1 files changed, 466 insertions, 476 deletions
diff --git a/xorg-server/randr/rrxinerama.c b/xorg-server/randr/rrxinerama.c
index 1dee6ca22..6d4519043 100644
--- a/xorg-server/randr/rrxinerama.c
+++ b/xorg-server/randr/rrxinerama.c
@@ -1,476 +1,466 @@
-/*
- * 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 = pScreen->root;
-
- 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);
-}
+/*
+ * 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;
+
+ 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);
+ swapl(&rep.length);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
+ }
+ WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *)&rep);
+ return Success;
+}
+
+int
+ProcRRXineramaGetState(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetStateReq);
+ WindowPtr pWin;
+ xPanoramiXGetStateReply rep;
+ register int 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);
+ swapl(&rep.length);
+ swapl(&rep.window);
+ }
+ 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 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);
+ swapl(&rep.length);
+ swapl(&rep.window);
+ }
+ WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
+ return Success;
+}
+
+int
+ProcRRXineramaGetScreenSize(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenSizeReq);
+ WindowPtr pWin, pRoot;
+ ScreenPtr pScreen;
+ xPanoramiXGetScreenSizeReply rep;
+ register int rc;
+
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ pScreen = pWin->drawable.pScreen;
+ pRoot = pScreen->root;
+
+ 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);
+ swapl(&rep.length);
+ swapl(&rep.width);
+ swapl(&rep.height);
+ swapl(&rep.window);
+ swapl(&rep.screen);
+ }
+ 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) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.state);
+ }
+ 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) {
+ swaps(&scratch.x_org);
+ swaps(&scratch.y_org);
+ swaps(&scratch.width);
+ swaps(&scratch.height);
+ }
+ 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) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.number);
+ }
+ 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);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
+ return ProcRRXineramaQueryVersion(client);
+}
+
+static int
+SProcRRXineramaGetState(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetStateReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+ swapl(&stuff->window);
+ return ProcRRXineramaGetState(client);
+}
+
+static int
+SProcRRXineramaGetScreenCount(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenCountReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+ swapl(&stuff->window);
+ return ProcRRXineramaGetScreenCount(client);
+}
+
+static int
+SProcRRXineramaGetScreenSize(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenSizeReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+ swapl(&stuff->window);
+ swapl(&stuff->screen);
+ return ProcRRXineramaGetScreenSize(client);
+}
+
+static int
+SProcRRXineramaIsActive(ClientPtr client)
+{
+ REQUEST(xXineramaIsActiveReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+ return ProcRRXineramaIsActive(client);
+}
+
+static int
+SProcRRXineramaQueryScreens(ClientPtr client)
+{
+ REQUEST(xXineramaQueryScreensReq);
+ swaps(&stuff->length);
+ 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);
+}