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-rw-r--r--xorg-server/hw/dmx/dmxcb.c223
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diff --git a/xorg-server/hw/dmx/dmxcb.c b/xorg-server/hw/dmx/dmxcb.c
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+/*
+ * Copyright 2001-2004 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 code queries and modifies the connection block. */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxcb.h"
+#include "dmxinput.h"
+#include "dmxlog.h"
+
+extern char *ConnectionInfo;
+extern int connBlockScreenStart;
+
+#ifdef PANORAMIX
+extern int PanoramiXPixWidth;
+extern int PanoramiXPixHeight;
+extern int PanoramiXNumScreens;
+#endif
+
+ int dmxGlobalWidth, dmxGlobalHeight;
+
+/** We may want the wall dimensions to be different from the bounding
+ * box dimensions that Xinerama computes, so save those and update them
+ * here.
+ */
+void dmxSetWidthHeight(int width, int height)
+{
+ dmxGlobalWidth = width;
+ dmxGlobalHeight = height;
+}
+
+/** Computes the global bounding box for DMX. This may be larger than
+ * the one computed by Xinerama because of the DMX configuration
+ * file. */
+void dmxComputeWidthHeight(DMXRecomputeFlag flag)
+{
+ int i;
+ DMXScreenInfo *dmxScreen;
+ int w = 0;
+ int h = 0;
+
+ for (i = 0; i < dmxNumScreens; i++) {
+ /* Don't use root* here because this is
+ * the global bounding box. */
+ dmxScreen = &dmxScreens[i];
+ if (w < dmxScreen->scrnWidth + dmxScreen->rootXOrigin)
+ w = dmxScreen->scrnWidth + dmxScreen->rootXOrigin;
+ if (h < dmxScreen->scrnHeight + dmxScreen->rootYOrigin)
+ h = dmxScreen->scrnHeight + dmxScreen->rootYOrigin;
+ }
+ if (!dmxGlobalWidth && !dmxGlobalHeight) {
+ dmxLog(dmxInfo, "Using %dx%d as global bounding box\n", w, h);
+ } else {
+ switch (flag) {
+ case DMX_NO_RECOMPUTE_BOUNDING_BOX:
+ dmxLog(dmxInfo,
+ "Using old bounding box (%dx%d) instead of new (%dx%d)\n",
+ dmxGlobalWidth, dmxGlobalHeight, w, h);
+ w = dmxGlobalWidth;
+ h = dmxGlobalHeight;
+ break;
+ case DMX_RECOMPUTE_BOUNDING_BOX:
+ dmxLog(dmxInfo,
+ "Using %dx%d as global bounding box, instead of %dx%d\n",
+ w, h, dmxGlobalWidth, dmxGlobalHeight);
+ break;
+ }
+ }
+
+ dmxGlobalWidth = w;
+ dmxGlobalHeight = h;
+}
+
+/** A callback routine that hooks into Xinerama and provides a
+ * convenient place to print summary log information during server
+ * startup. This routine does not modify any values. */
+void dmxConnectionBlockCallback(void)
+{
+ xWindowRoot *root = (xWindowRoot *)(ConnectionInfo+connBlockScreenStart);
+ int offset = connBlockScreenStart + sizeof(xWindowRoot);
+ int i;
+ Bool *found = NULL;
+
+ MAXSCREENSALLOC(found);
+ if (!found)
+ dmxLog(dmxFatal, "dmxConnectionBlockCallback: out of memory\n");
+
+ dmxLog(dmxInfo, "===== Start of Summary =====\n");
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ if (dmxGlobalWidth && dmxGlobalHeight
+ && (dmxGlobalWidth != PanoramiXPixWidth
+ || dmxGlobalHeight != PanoramiXPixHeight)) {
+ dmxLog(dmxInfo,
+ "Changing Xinerama dimensions from %d %d to %d %d\n",
+ PanoramiXPixWidth, PanoramiXPixHeight,
+ dmxGlobalWidth, dmxGlobalHeight);
+ PanoramiXPixWidth = root->pixWidth = dmxGlobalWidth;
+ PanoramiXPixHeight = root->pixHeight = dmxGlobalHeight;
+ } else {
+ dmxGlobalWidth = PanoramiXPixWidth;
+ dmxGlobalHeight = PanoramiXPixHeight;
+ }
+ dmxLog(dmxInfo, "%d screens configured with Xinerama (%d %d)\n",
+ PanoramiXNumScreens, PanoramiXPixWidth, PanoramiXPixHeight);
+ for (i = 0; i < PanoramiXNumScreens; i++) found[i] = FALSE;
+ } else {
+#endif
+ /* This never happens because we're
+ * either called from a Xinerama
+ * callback or during reconfiguration
+ * (which only works with Xinerama on).
+ * In any case, be reasonable. */
+ dmxLog(dmxInfo, "%d screens configured (%d %d)\n",
+ screenInfo.numScreens, root->pixWidth, root->pixHeight);
+#ifdef PANORAMIX
+ }
+#endif
+
+ for (i = 0; i < root->nDepths; i++) {
+ xDepth *depth = (xDepth *)(ConnectionInfo + offset);
+ int voffset = offset + sizeof(xDepth);
+ xVisualType *visual = (xVisualType *)(ConnectionInfo + voffset);
+ int j;
+
+ dmxLog(dmxInfo, "%d visuals at depth %d:\n",
+ depth->nVisuals, depth->depth);
+ for (j = 0; j < depth->nVisuals; j++, visual++) {
+ XVisualInfo vi;
+
+ vi.visual = NULL;
+ vi.visualid = visual->visualID;
+ vi.screen = 0;
+ vi.depth = depth->depth;
+ vi.class = visual->class;
+ vi.red_mask = visual->redMask;
+ vi.green_mask = visual->greenMask;
+ vi.blue_mask = visual->blueMask;
+ vi.colormap_size = visual->colormapEntries;
+ vi.bits_per_rgb = visual->bitsPerRGB;
+ dmxLogVisual(NULL, &vi, 0);
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ int k;
+ for (k = 0; k < PanoramiXNumScreens; k++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[k];
+
+ if (dmxScreen->beDisplay) {
+ XVisualInfo *pvi =
+ &dmxScreen->beVisuals[dmxScreen->beDefVisualIndex];
+ if (pvi->depth == depth->depth &&
+ pvi->class == visual->class)
+ found[k] = TRUE;
+ } else {
+ /* Screen #k is detatched, so it always succeeds */
+ found[k] = TRUE;
+ }
+ }
+ }
+#endif
+ }
+ offset = voffset + depth->nVisuals * sizeof(xVisualType);
+ }
+
+ dmxInputLogDevices();
+ dmxLog(dmxInfo, "===== End of Summary =====\n");
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ Bool fatal = FALSE;
+ for (i = 0; i < PanoramiXNumScreens; i++) {
+ fatal |= !found[i];
+ if (!found[i]) {
+ dmxLog(dmxError,
+ "The default visual for screen #%d does not match "
+ "any of the\n", i);
+ dmxLog(dmxError,
+ "consolidated visuals from Xinerama (listed above)\n");
+ }
+ }
+ if (fatal)
+ dmxLog(dmxFatal,
+ "dmxConnectionBlockCallback: invalid screen(s) found");
+ }
+#endif
+ MAXSCREENSFREE(found);
+}