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-rw-r--r--hw/dmx/dmx.c1129
1 files changed, 1129 insertions, 0 deletions
diff --git a/hw/dmx/dmx.c b/hw/dmx/dmx.c
new file mode 100644
index 000000000..14b7d9858
--- /dev/null
+++ b/hw/dmx/dmx.c
@@ -0,0 +1,1129 @@
+/* $XFree86$ */
+/*
+ * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+/** \file
+ * This file implements the server-side part of the DMX protocol. A
+ * vector of fucntions is provided at extension initialization time, so
+ * most all of the useful functions in this file are declared static and
+ * do not appear in the doxygen documentation.
+ *
+ * Much of the low-level work is done by functions in #dmxextension.c
+ *
+ * Please see the Client-to-Server DMX Extension to the X Protocol
+ * document for details about the protocol. */
+
+#include "X.h"
+#include "Xproto.h"
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#define EXTENSION_PROC_ARGS void *
+#include "extnsionst.h"
+#include "opaque.h"
+
+#include "dmxextension.h"
+#include "dmxproto.h"
+
+#define _DMX_SERVER_
+#include "dmxext.h"
+
+#ifdef PANORAMIX
+#include "panoramiX.h"
+extern unsigned long XRT_WINDOW;
+extern int PanoramiXNumScreens;
+#endif
+
+extern void DMXExtensionInit(void);
+
+static unsigned char DMXCode;
+
+static DISPATCH_PROC(ProcDMXDispatch);
+static DISPATCH_PROC(ProcDMXQueryVersion);
+static DISPATCH_PROC(ProcDMXSync);
+static DISPATCH_PROC(ProcDMXForceWindowCreation);
+static DISPATCH_PROC(ProcDMXGetScreenCount);
+static DISPATCH_PROC(ProcDMXGetScreenAttributes);
+static DISPATCH_PROC(ProcDMXChangeScreensAttributes);
+static DISPATCH_PROC(ProcDMXAddScreen);
+static DISPATCH_PROC(ProcDMXRemoveScreen);
+static DISPATCH_PROC(ProcDMXGetWindowAttributes);
+static DISPATCH_PROC(ProcDMXGetDesktopAttributes);
+static DISPATCH_PROC(ProcDMXChangeDesktopAttributes);
+static DISPATCH_PROC(ProcDMXGetInputCount);
+static DISPATCH_PROC(ProcDMXGetInputAttributes);
+static DISPATCH_PROC(ProcDMXAddInput);
+static DISPATCH_PROC(ProcDMXRemoveInput);
+
+static DISPATCH_PROC(SProcDMXDispatch);
+static DISPATCH_PROC(SProcDMXQueryVersion);
+static DISPATCH_PROC(SProcDMXSync);
+static DISPATCH_PROC(SProcDMXForceWindowCreation);
+static DISPATCH_PROC(SProcDMXGetScreenCount);
+static DISPATCH_PROC(SProcDMXGetScreenAttributes);
+static DISPATCH_PROC(SProcDMXChangeScreensAttributes);
+static DISPATCH_PROC(SProcDMXAddScreen);
+static DISPATCH_PROC(SProcDMXRemoveScreen);
+static DISPATCH_PROC(SProcDMXGetWindowAttributes);
+static DISPATCH_PROC(SProcDMXGetDesktopAttributes);
+static DISPATCH_PROC(SProcDMXChangeDesktopAttributes);
+static DISPATCH_PROC(SProcDMXGetInputCount);
+static DISPATCH_PROC(SProcDMXGetInputAttributes);
+static DISPATCH_PROC(SProcDMXAddInput);
+static DISPATCH_PROC(SProcDMXRemoveInput);
+
+static int _DMXXineramaActive(void)
+{
+#ifdef PANORAMIX
+ return !noPanoramiXExtension;
+#endif
+ return 0;
+}
+
+static void DMXResetProc(ExtensionEntry *extEntry)
+{
+}
+
+/** Initialize the extension. */
+void DMXExtensionInit(void)
+{
+ ExtensionEntry *extEntry;
+
+ if ((extEntry = AddExtension(DMX_EXTENSION_NAME, 0, 0,
+ ProcDMXDispatch, SProcDMXDispatch,
+ DMXResetProc, StandardMinorOpcode)))
+ DMXCode = extEntry->base;
+}
+
+static void dmxSetScreenAttribute(int bit, DMXScreenAttributesPtr attr,
+ CARD32 value)
+{
+ switch (1 << bit) {
+ case DMXScreenWindowWidth: attr->screenWindowWidth = value; break;
+ case DMXScreenWindowHeight: attr->screenWindowHeight = value; break;
+ case DMXScreenWindowXoffset: attr->screenWindowXoffset = value; break;
+ case DMXScreenWindowYoffset: attr->screenWindowYoffset = value; break;
+ case DMXRootWindowWidth: attr->rootWindowWidth = value; break;
+ case DMXRootWindowHeight: attr->rootWindowHeight = value; break;
+ case DMXRootWindowXoffset: attr->rootWindowXoffset = value; break;
+ case DMXRootWindowYoffset: attr->rootWindowYoffset = value; break;
+ case DMXRootWindowXorigin: attr->rootWindowXorigin = value; break;
+ case DMXRootWindowYorigin: attr->rootWindowYorigin = value; break;
+ }
+}
+
+static int dmxFetchScreenAttributes(unsigned int mask,
+ DMXScreenAttributesPtr attr,
+ CARD32 *value_list)
+{
+ int i;
+ CARD32 *value = value_list;
+ int count = 0;
+
+ for (i = 0; i < 32; i++) {
+ if (mask & (1 << i)) {
+ dmxSetScreenAttribute(i, attr, *value);
+ ++value;
+ ++count;
+ }
+ }
+ return count;
+}
+
+static void dmxSetDesktopAttribute(int bit, DMXDesktopAttributesPtr attr,
+ CARD32 value)
+{
+ switch (1 << bit) {
+ case DMXDesktopWidth: attr->width = value; break;
+ case DMXDesktopHeight: attr->height = value; break;
+ case DMXDesktopShiftX: attr->shiftX = value; break;
+ case DMXDesktopShiftY: attr->shiftY = value; break;
+ }
+}
+
+static int dmxFetchDesktopAttributes(unsigned int mask,
+ DMXDesktopAttributesPtr attr,
+ CARD32 *value_list)
+{
+ int i;
+ CARD32 *value = value_list;
+ int count = 0;
+
+ for (i = 0; i < 32; i++) {
+ if (mask & (1 << i)) {
+ dmxSetDesktopAttribute(i, attr, *value);
+ ++value;
+ ++count;
+ }
+ }
+ return count;
+}
+
+static void dmxSetInputAttribute(int bit, DMXInputAttributesPtr attr,
+ CARD32 value)
+{
+ switch (1 << bit) {
+ case DMXInputType: attr->inputType = value; break;
+ case DMXInputPhysicalScreen: attr->physicalScreen = value; break;
+ case DMXInputSendsCore: attr->sendsCore = !!value; break;
+ }
+}
+
+static int dmxFetchInputAttributes(unsigned int mask,
+ DMXInputAttributesPtr attr,
+ CARD32 *value_list)
+{
+ int i;
+ CARD32 *value = value_list;
+ int count = 0;
+
+ for (i = 0; i < 32; i++) {
+ if (mask & (1 << i)) {
+ dmxSetInputAttribute(i, attr, *value);
+ ++value;
+ ++count;
+ }
+ }
+ return count;
+}
+
+static int ProcDMXQueryVersion(ClientPtr client)
+{
+ xDMXQueryVersionReply rep;
+ int n;
+
+ REQUEST_SIZE_MATCH(xDMXQueryVersionReq);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.majorVersion = DMX_EXTENSION_MAJOR;
+ rep.minorVersion = DMX_EXTENSION_MINOR;
+ rep.patchVersion = DMX_EXTENSION_PATCH;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.majorVersion, n);
+ swapl(&rep.minorVersion, n);
+ swapl(&rep.patchVersion, n);
+ }
+ WriteToClient(client, sizeof(xDMXQueryVersionReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXSync(ClientPtr client)
+{
+ xDMXSyncReply rep;
+ int n;
+
+ REQUEST_SIZE_MATCH(xDMXSyncReq);
+
+ dmxFlushPendingSyncs();
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = 0;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ }
+ WriteToClient(client, sizeof(xDMXSyncReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXForceWindowCreation(ClientPtr client)
+{
+ xDMXForceWindowCreationReply rep;
+ REQUEST(xDMXForceWindowCreationReq);
+ WindowPtr pWin;
+ int n;
+
+ REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ PanoramiXRes *win;
+ int i;
+
+ if (!(win = SecurityLookupIDByType(client, stuff->window, XRT_WINDOW,
+ SecurityReadAccess)))
+ return -1; /* BadWindow */
+
+ FOR_NSCREENS(i) {
+ if (!(pWin = SecurityLookupWindow(win->info[i].id, client,
+ SecurityReadAccess)))
+ return -1; /* BadWindow */
+
+ dmxForceWindowCreation(pWin);
+ }
+ goto doreply;
+ }
+#endif
+
+ if (!(pWin = SecurityLookupWindow(stuff->window, client,
+ SecurityReadAccess)))
+ return -1; /* BadWindow */
+
+ dmxForceWindowCreation(pWin);
+ doreply:
+ dmxFlushPendingSyncs();
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = 0;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ }
+ WriteToClient(client, sizeof(xDMXForceWindowCreationReply), (char *)&rep);
+ return Success;
+}
+
+static int ProcDMXGetScreenCount(ClientPtr client)
+{
+ xDMXGetScreenCountReply rep;
+ int n;
+
+ REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.screenCount = dmxGetNumScreens();
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.screenCount, n);
+ }
+ WriteToClient(client, sizeof(xDMXGetScreenCountReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXGetScreenAttributes(ClientPtr client)
+{
+ REQUEST(xDMXGetScreenAttributesReq);
+ xDMXGetScreenAttributesReply rep;
+ int n;
+ int length;
+ int paddedLength;
+ DMXScreenAttributesRec attr;
+
+ REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);
+
+ if (stuff->physicalScreen < 0
+ || stuff->physicalScreen >= dmxGetNumScreens()) return BadValue;
+
+ if (!dmxGetScreenAttributes(stuff->physicalScreen, &attr))
+ return BadValue;
+
+ rep.logicalScreen = attr.logicalScreen;
+ rep.screenWindowWidth = attr.screenWindowWidth;
+ rep.screenWindowHeight = attr.screenWindowHeight;
+ rep.screenWindowXoffset = attr.screenWindowXoffset;
+ rep.screenWindowYoffset = attr.screenWindowYoffset;
+ rep.rootWindowWidth = attr.rootWindowWidth;
+ rep.rootWindowHeight = attr.rootWindowHeight;
+ rep.rootWindowXoffset = attr.rootWindowXoffset;
+ rep.rootWindowYoffset = attr.rootWindowYoffset;
+ rep.rootWindowXorigin = attr.rootWindowXorigin;
+ rep.rootWindowYorigin = attr.rootWindowYorigin;
+
+ length = attr.displayName ? strlen(attr.displayName) : 0;
+ paddedLength = (length + 3) & ~3;
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = paddedLength >> 2;
+ rep.displayNameLength = length;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.displayNameLength, n);
+ swapl(&rep.logicalScreen, n);
+ swaps(&rep.screenWindowWidth, n);
+ swaps(&rep.screenWindowHeight, n);
+ swaps(&rep.screenWindowXoffset, n);
+ swaps(&rep.screenWindowYoffset, n);
+ swaps(&rep.rootWindowWidth, n);
+ swaps(&rep.rootWindowHeight, n);
+ swaps(&rep.rootWindowXoffset, n);
+ swaps(&rep.rootWindowYoffset, n);
+ swaps(&rep.rootWindowXorigin, n);
+ swaps(&rep.rootWindowYorigin, n);
+ }
+ WriteToClient(client, sizeof(xDMXGetScreenAttributesReply), (char *)&rep);
+ if (length) WriteToClient(client, length, (char *)attr.displayName);
+ return client->noClientException;
+}
+
+static int ProcDMXChangeScreensAttributes(ClientPtr client)
+{
+ REQUEST(xDMXChangeScreensAttributesReq);
+ xDMXChangeScreensAttributesReply rep;
+ int n;
+ int status = DMX_BAD_XINERAMA;
+ unsigned int mask = 0;
+ unsigned int i;
+ CARD32 *screen_list;
+ CARD32 *mask_list;
+ CARD32 *value_list;
+ DMXScreenAttributesPtr attribs;
+ int errorScreen = 0;
+ unsigned int len;
+ int ones = 0;
+
+
+ REQUEST_AT_LEAST_SIZE(xDMXChangeScreensAttributesReq);
+ len = client->req_len - (sizeof(xDMXChangeScreensAttributesReq) >> 2);
+ if (len < stuff->screenCount + stuff->maskCount)
+ return BadLength;
+
+ screen_list = (CARD32 *)(stuff + 1);
+ mask_list = &screen_list[stuff->screenCount];
+ value_list = &mask_list[stuff->maskCount];
+
+ for (i = 0; i < stuff->maskCount; i++) ones += Ones(mask_list[i]);
+ if (len != stuff->screenCount + stuff->maskCount + ones)
+ return BadLength;
+
+ if (!_DMXXineramaActive()) goto noxinerama;
+
+ if (!(attribs = ALLOCATE_LOCAL(stuff->screenCount * sizeof(*attribs))))
+ return BadAlloc;
+
+ for (i = 0; i < stuff->screenCount; i++) {
+ int count;
+
+ if (i < stuff->maskCount) mask = mask_list[i];
+ dmxGetScreenAttributes(screen_list[i], &attribs[i]);
+ count = dmxFetchScreenAttributes(mask, &attribs[i], value_list);
+ value_list += count;
+ }
+
+#if PANORAMIX
+ status = dmxConfigureScreenWindows(stuff->screenCount,
+ screen_list,
+ attribs,
+ &errorScreen);
+#endif
+
+ DEALLOCATE_LOCAL(attribs);
+
+ if (status == BadValue) return status;
+
+ noxinerama:
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = status;
+ rep.errorScreen = errorScreen;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ swapl(&rep.errorScreen, n);
+ }
+ WriteToClient(client,
+ sizeof(xDMXChangeScreensAttributesReply),
+ (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXAddScreen(ClientPtr client)
+{
+ REQUEST(xDMXAddScreenReq);
+ xDMXAddScreenReply rep;
+ int n;
+ int status = 0;
+ CARD32 *value_list;
+ DMXScreenAttributesRec attr;
+ int count;
+ char *name;
+ int len;
+ int paddedLength;
+
+ REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);
+ paddedLength = (stuff->displayNameLength + 3) & ~3;
+ len = client->req_len - (sizeof(xDMXAddScreenReq) >> 2);
+ if (len != Ones(stuff->valueMask) + paddedLength/4)
+ return BadLength;
+
+ memset(&attr, 0, sizeof(attr));
+ dmxGetScreenAttributes(stuff->physicalScreen, &attr);
+ value_list = (CARD32 *)(stuff + 1);
+ count = dmxFetchScreenAttributes(stuff->valueMask, &attr, value_list);
+
+ if (!(name = ALLOCATE_LOCAL(stuff->displayNameLength + 1 + 4)))
+ return BadAlloc;
+ memcpy(name, &value_list[count], stuff->displayNameLength);
+ name[stuff->displayNameLength] = '\0';
+ attr.displayName = name;
+
+ status = dmxAttachScreen(stuff->physicalScreen, &attr);
+
+ DEALLOCATE_LOCAL(name);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = status;
+ rep.physicalScreen = stuff->physicalScreen;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ swapl(&rep.physicalScreen, n);
+ }
+ WriteToClient(client,
+ sizeof(xDMXAddScreenReply),
+ (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXRemoveScreen(ClientPtr client)
+{
+ REQUEST(xDMXRemoveScreenReq);
+ xDMXRemoveScreenReply rep;
+ int n;
+ int status = 0;
+
+ REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);
+
+ status = dmxDetachScreen(stuff->physicalScreen);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = status;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ }
+ WriteToClient(client,
+ sizeof(xDMXRemoveScreenReply),
+ (char *)&rep);
+ return client->noClientException;
+}
+
+
+#ifdef PANORAMIX
+static int dmxPopulatePanoramiX(ClientPtr client, Window window,
+ CARD32 *screens, CARD32 *windows,
+ xRectangle *pos, xRectangle *vis)
+{
+ WindowPtr pWin;
+ PanoramiXRes *win;
+ int i;
+ int count = 0;
+ DMXWindowAttributesRec attr;
+
+ if (!(win = SecurityLookupIDByType(client, window, XRT_WINDOW,
+ SecurityReadAccess)))
+ return -1; /* BadWindow */
+
+ FOR_NSCREENS(i) {
+ if (!(pWin = SecurityLookupWindow(win->info[i].id, client,
+ SecurityReadAccess)))
+ return -1; /* BadWindow */
+ if (dmxGetWindowAttributes(pWin, &attr)) {
+ screens[count] = attr.screen;
+ windows[count] = attr.window;
+ pos[count] = attr.pos;
+ vis[count] = attr.vis;
+ ++count; /* Only count existing windows */
+ }
+ }
+ return count;
+}
+#endif
+
+static int dmxPopulate(ClientPtr client, Window window, CARD32 *screens,
+ CARD32 *windows, xRectangle *pos, xRectangle *vis)
+{
+ WindowPtr pWin;
+ DMXWindowAttributesRec attr;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ return dmxPopulatePanoramiX(client, window, screens, windows,
+ pos, vis);
+#endif
+
+ if (!(pWin = SecurityLookupWindow(window, client, SecurityReadAccess)))
+ return -1; /* BadWindow */
+
+ dmxGetWindowAttributes(pWin, &attr);
+ *screens = attr.screen;
+ *windows = attr.window;
+ *pos = attr.pos;
+ *vis = attr.vis;
+ return 1;
+}
+
+static int dmxMaxNumScreens(void)
+{
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) return PanoramiXNumScreens;
+#endif
+ return 1;
+}
+
+static int ProcDMXGetWindowAttributes(ClientPtr client)
+{
+ REQUEST(xDMXGetWindowAttributesReq);
+ xDMXGetWindowAttributesReply rep;
+ int i, n;
+ CARD32 *screens;
+ CARD32 *windows;
+ xRectangle *pos, *vis;
+ int count = dmxMaxNumScreens();
+
+ REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);
+
+ if (!(screens = ALLOCATE_LOCAL(count * sizeof(*screens))))
+ return BadAlloc;
+ if (!(windows = ALLOCATE_LOCAL(count * sizeof(*windows)))) {
+ DEALLOCATE_LOCAL(screens);
+ return BadAlloc;
+ }
+ if (!(pos = ALLOCATE_LOCAL(count * sizeof(*pos)))) {
+ DEALLOCATE_LOCAL(windows);
+ DEALLOCATE_LOCAL(screens);
+ return BadAlloc;
+ }
+ if (!(vis = ALLOCATE_LOCAL(count * sizeof(*vis)))) {
+ DEALLOCATE_LOCAL(pos);
+ DEALLOCATE_LOCAL(windows);
+ DEALLOCATE_LOCAL(screens);
+ return BadAlloc;
+ }
+
+ if ((count = dmxPopulate(client, stuff->window, screens, windows,
+ pos, vis)) < 0) {
+ DEALLOCATE_LOCAL(vis);
+ DEALLOCATE_LOCAL(pos);
+ DEALLOCATE_LOCAL(windows);
+ DEALLOCATE_LOCAL(screens);
+ return BadWindow;
+ }
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = count * 6;
+ rep.screenCount = count;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.screenCount, n);
+ for (i = 0; i < count; i++) {
+ swapl(&screens[i], n);
+ swapl(&windows[i], n);
+
+ swaps(&pos[i].x, n);
+ swaps(&pos[i].y, n);
+ swaps(&pos[i].width, n);
+ swaps(&pos[i].height, n);
+
+ swaps(&vis[i].x, n);
+ swaps(&vis[i].y, n);
+ swaps(&vis[i].width, n);
+ swaps(&vis[i].height, n);
+ }
+ }
+
+ dmxFlushPendingSyncs();
+
+ WriteToClient(client, sizeof(xDMXGetWindowAttributesReply), (char *)&rep);
+ if (count) {
+ WriteToClient(client, count * sizeof(*screens), (char *)screens);
+ WriteToClient(client, count * sizeof(*windows), (char *)windows);
+ WriteToClient(client, count * sizeof(*pos), (char *)pos);
+ WriteToClient(client, count * sizeof(*vis), (char *)vis);
+ }
+
+ DEALLOCATE_LOCAL(vis);
+ DEALLOCATE_LOCAL(pos);
+ DEALLOCATE_LOCAL(windows);
+ DEALLOCATE_LOCAL(screens);
+
+ return client->noClientException;
+}
+
+static int ProcDMXGetDesktopAttributes(ClientPtr client)
+{
+ xDMXGetDesktopAttributesReply rep;
+ int n;
+ DMXDesktopAttributesRec attr;
+
+ REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);
+
+ dmxGetDesktopAttributes(&attr);
+
+ rep.width = attr.width;
+ rep.height = attr.height;
+ rep.shiftX = attr.shiftX;
+ rep.shiftY = attr.shiftY;
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.width, n);
+ swapl(&rep.height, n);
+ swapl(&rep.shiftX, n);
+ swapl(&rep.shiftY, n);
+ }
+ WriteToClient(client, sizeof(xDMXGetDesktopAttributesReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXChangeDesktopAttributes(ClientPtr client)
+{
+ REQUEST(xDMXChangeDesktopAttributesReq);
+ xDMXChangeDesktopAttributesReply rep;
+ int n;
+ int status = DMX_BAD_XINERAMA;
+ CARD32 *value_list;
+ DMXDesktopAttributesRec attr;
+ int len;
+
+ REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);
+ len = client->req_len - (sizeof(xDMXChangeDesktopAttributesReq) >> 2);
+ if (len != Ones(stuff->valueMask))
+ return BadLength;
+
+ if (!_DMXXineramaActive()) goto noxinerama;
+
+ value_list = (CARD32 *)(stuff + 1);
+
+ dmxGetDesktopAttributes(&attr);
+ dmxFetchDesktopAttributes(stuff->valueMask, &attr, value_list);
+
+#if PANORAMIX
+ status = dmxConfigureDesktop(&attr);
+#endif
+ if (status == BadValue) return status;
+
+ noxinerama:
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = status;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ }
+ WriteToClient(client,
+ sizeof(xDMXChangeDesktopAttributesReply),
+ (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXGetInputCount(ClientPtr client)
+{
+ xDMXGetInputCountReply rep;
+ int n;
+
+ REQUEST_SIZE_MATCH(xDMXGetInputCountReq);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.inputCount = dmxGetInputCount();
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.inputCount, n);
+ }
+ WriteToClient(client, sizeof(xDMXGetInputCountReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXGetInputAttributes(ClientPtr client)
+{
+ REQUEST(xDMXGetInputAttributesReq);
+ xDMXGetInputAttributesReply rep;
+ int n;
+ int length;
+ int paddedLength;
+ DMXInputAttributesRec attr;
+
+ REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);
+
+ if (dmxGetInputAttributes(stuff->deviceId, &attr)) return BadValue;
+ rep.inputType = attr.inputType;
+ rep.physicalScreen = attr.physicalScreen;
+ rep.physicalId = attr.physicalId;
+ rep.isCore = attr.isCore;
+ rep.sendsCore = attr.sendsCore;
+ rep.detached = attr.detached;
+
+ length = attr.name ? strlen(attr.name) : 0;
+ paddedLength = (length + 3) & ~3;
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = paddedLength >> 2;
+ rep.nameLength = length;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.inputType, n);
+ swapl(&rep.physicalScreen, n);
+ swapl(&rep.physicalId, n);
+ swapl(&rep.nameLength, n);
+ }
+ WriteToClient(client, sizeof(xDMXGetInputAttributesReply), (char *)&rep);
+ if (length) WriteToClient(client, length, (char *)attr.name);
+ return client->noClientException;
+}
+
+static int ProcDMXAddInput(ClientPtr client)
+{
+ REQUEST(xDMXAddInputReq);
+ xDMXAddInputReply rep;
+ int n;
+ int status = 0;
+ CARD32 *value_list;
+ DMXInputAttributesRec attr;
+ int count;
+ char *name;
+ int len;
+ int paddedLength;
+ int id = -1;
+
+ REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);
+ paddedLength = (stuff->displayNameLength + 3) & ~3;
+ len = client->req_len - (sizeof(xDMXAddInputReq) >> 2);
+ if (len != Ones(stuff->valueMask) + paddedLength/4)
+ return BadLength;
+
+ memset(&attr, 0, sizeof(attr));
+ value_list = (CARD32 *)(stuff + 1);
+ count = dmxFetchInputAttributes(stuff->valueMask, &attr, value_list);
+
+ if (!(name = ALLOCATE_LOCAL(stuff->displayNameLength + 1 + 4)))
+ return BadAlloc;
+ memcpy(name, &value_list[count], stuff->displayNameLength);
+ name[stuff->displayNameLength] = '\0';
+ attr.name = name;
+
+ status = dmxAddInput(&attr, &id);
+
+ DEALLOCATE_LOCAL(name);
+
+ if (status) return status;
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = status;
+ rep.physicalId = id;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ swapl(&rep.physicalId, n);
+ }
+ WriteToClient(client, sizeof(xDMXAddInputReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXRemoveInput(ClientPtr client)
+{
+ REQUEST(xDMXRemoveInputReq);
+ xDMXRemoveInputReply rep;
+ int n;
+ int status = 0;
+
+ REQUEST_SIZE_MATCH(xDMXRemoveInputReq);
+
+ status = dmxRemoveInput(stuff->physicalId);
+
+ if (status) return status;
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.status = status;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swapl(&rep.status, n);
+ }
+ WriteToClient(client, sizeof(xDMXRemoveInputReply), (char *)&rep);
+ return client->noClientException;
+}
+
+static int ProcDMXDispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data) {
+ case X_DMXQueryVersion: return ProcDMXQueryVersion(client);
+ case X_DMXSync: return ProcDMXSync(client);
+ case X_DMXForceWindowCreation: return ProcDMXForceWindowCreation(client);
+ case X_DMXGetScreenCount: return ProcDMXGetScreenCount(client);
+ case X_DMXGetScreenAttributes: return ProcDMXGetScreenAttributes(client);
+ case X_DMXChangeScreensAttributes:
+ return ProcDMXChangeScreensAttributes(client);
+ case X_DMXAddScreen: return ProcDMXAddScreen(client);
+ case X_DMXRemoveScreen: return ProcDMXRemoveScreen(client);
+ case X_DMXGetWindowAttributes: return ProcDMXGetWindowAttributes(client);
+ case X_DMXGetDesktopAttributes: return ProcDMXGetDesktopAttributes(client);
+ case X_DMXChangeDesktopAttributes:
+ return ProcDMXChangeDesktopAttributes(client);
+ case X_DMXGetInputCount: return ProcDMXGetInputCount(client);
+ case X_DMXGetInputAttributes: return ProcDMXGetInputAttributes(client);
+ case X_DMXAddInput: return ProcDMXAddInput(client);
+ case X_DMXRemoveInput: return ProcDMXRemoveInput(client);
+
+ case X_DMXGetScreenInformationDEPRECATED:
+ case X_DMXForceWindowCreationDEPRECATED:
+ case X_DMXReconfigureScreenDEPRECATED:
+ return BadImplementation;
+
+ default: return BadRequest;
+ }
+}
+
+static int SProcDMXQueryVersion(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXQueryVersionReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXQueryVersionReq);
+ return ProcDMXQueryVersion(client);
+}
+
+static int SProcDMXSync(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXSyncReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXSyncReq);
+ return ProcDMXSync(client);
+}
+
+static int SProcDMXForceWindowCreation(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXForceWindowCreationReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);
+ swaps(&stuff->window, n);
+ return ProcDMXForceWindowCreation(client);
+}
+
+static int SProcDMXGetScreenCount(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXGetScreenCountReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);
+ return ProcDMXGetScreenCount(client);
+}
+
+static int SProcDMXGetScreenAttributes(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXGetScreenAttributesReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);
+ swapl(&stuff->physicalScreen, n);
+ return ProcDMXGetScreenAttributes(client);
+}
+
+static int SProcDMXChangeScreensAttributes(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXChangeScreensAttributesReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xDMXGetScreenAttributesReq);
+ swapl(&stuff->screenCount, n);
+ swapl(&stuff->maskCount, n);
+ SwapRestL(stuff);
+ return ProcDMXGetScreenAttributes(client);
+}
+
+static int SProcDMXAddScreen(ClientPtr client)
+{
+ int n;
+ int paddedLength;
+ REQUEST(xDMXAddScreenReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);
+ swapl(&stuff->displayNameLength, n);
+ swapl(&stuff->valueMask, n);
+ paddedLength = (stuff->displayNameLength + 3) & ~3;
+ SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);
+ return ProcDMXAddScreen(client);
+}
+
+static int SProcDMXRemoveScreen(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXRemoveScreenReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);
+ swapl(&stuff->physicalScreen, n);
+ return ProcDMXRemoveScreen(client);
+}
+
+static int SProcDMXGetWindowAttributes(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXGetWindowAttributesReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);
+ swapl(&stuff->window, n);
+ return ProcDMXGetWindowAttributes(client);
+}
+
+static int SProcDMXGetDesktopAttributes(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXGetDesktopAttributesReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);
+ return ProcDMXGetDesktopAttributes(client);
+}
+
+static int SProcDMXChangeDesktopAttributes(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXChangeDesktopAttributesReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);
+ swapl(&stuff->valueMask, n);
+ SwapRestL(stuff);
+ return ProcDMXChangeDesktopAttributes(client);
+}
+
+static int SProcDMXGetInputCount(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXGetInputCountReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXGetInputCountReq);
+ return ProcDMXGetInputCount(client);
+}
+
+static int SProcDMXGetInputAttributes(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXGetInputAttributesReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);
+ swapl(&stuff->deviceId, n);
+ return ProcDMXGetInputAttributes(client);
+}
+
+static int SProcDMXAddInput(ClientPtr client)
+{
+ int n;
+ int paddedLength;
+ REQUEST(xDMXAddInputReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);
+ swapl(&stuff->displayNameLength, n);
+ swapl(&stuff->valueMask, n);
+ paddedLength = (stuff->displayNameLength + 3) & ~3;
+ SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);
+ return ProcDMXAddInput(client);
+}
+
+static int SProcDMXRemoveInput(ClientPtr client)
+{
+ int n;
+ REQUEST(xDMXRemoveInputReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xDMXRemoveInputReq);
+ swapl(&stuff->physicalId, n);
+ return ProcDMXRemoveInput(client);
+}
+
+static int SProcDMXDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data) {
+ case X_DMXQueryVersion: return SProcDMXQueryVersion(client);
+ case X_DMXSync: return SProcDMXSync(client);
+ case X_DMXForceWindowCreation: return SProcDMXForceWindowCreation(client);
+ case X_DMXGetScreenCount: return SProcDMXGetScreenCount(client);
+ case X_DMXGetScreenAttributes: return SProcDMXGetScreenAttributes(client);
+ case X_DMXChangeScreensAttributes:
+ return SProcDMXChangeScreensAttributes(client);
+ case X_DMXAddScreen: return SProcDMXAddScreen(client);
+ case X_DMXRemoveScreen: return SProcDMXRemoveScreen(client);
+ case X_DMXGetWindowAttributes: return SProcDMXGetWindowAttributes(client);
+ case X_DMXGetDesktopAttributes:
+ return SProcDMXGetDesktopAttributes(client);
+ case X_DMXChangeDesktopAttributes:
+ return SProcDMXChangeDesktopAttributes(client);
+ case X_DMXGetInputCount: return SProcDMXGetInputCount(client);
+ case X_DMXGetInputAttributes: return SProcDMXGetInputAttributes(client);
+ case X_DMXAddInput: return SProcDMXAddInput(client);
+ case X_DMXRemoveInput: return SProcDMXRemoveInput(client);
+
+ case X_DMXGetScreenInformationDEPRECATED:
+ case X_DMXForceWindowCreationDEPRECATED:
+ case X_DMXReconfigureScreenDEPRECATED:
+ return BadImplementation;
+
+ default: return BadRequest;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 14:08:11 +0000