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-rw-r--r--xorg-server/hw/dmx/dmxcb.c446
-rw-r--r--xorg-server/hw/dmx/dmxextension.c3240
-rw-r--r--xorg-server/hw/dmx/dmxgcops.c1210
-rw-r--r--xorg-server/hw/dmx/dmxinit.c1
-rw-r--r--xorg-server/hw/dmx/glxProxy/glxcmds.c7290
-rw-r--r--xorg-server/hw/dmx/glxProxy/glxsingle.c2032
-rw-r--r--xorg-server/hw/dmx/glxProxy/glxvendor.c1170
-rw-r--r--xorg-server/hw/dmx/glxProxy/render2swap.c572
-rw-r--r--xorg-server/hw/dmx/input/dmxevents.c1600
9 files changed, 8781 insertions, 8780 deletions
diff --git a/xorg-server/hw/dmx/dmxcb.c b/xorg-server/hw/dmx/dmxcb.c
index d0eb35117..bc3281f56 100644
--- a/xorg-server/hw/dmx/dmxcb.c
+++ b/xorg-server/hw/dmx/dmxcb.c
@@ -1,223 +1,223 @@
-/*
- * 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 int connBlockScreenStart;
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-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_NSCREENS(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_NSCREENS(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_NSCREENS(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);
-}
+/*
+ * 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 int connBlockScreenStart;
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+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_NSCREENS(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_NSCREENS(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_NSCREENS(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);
+}
diff --git a/xorg-server/hw/dmx/dmxextension.c b/xorg-server/hw/dmx/dmxextension.c
index db5709ee6..00b95a96d 100644
--- a/xorg-server/hw/dmx/dmxextension.c
+++ b/xorg-server/hw/dmx/dmxextension.c
@@ -1,1620 +1,1620 @@
-/*
- * Copyright 2003-2004 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.
- */
-
-/*
- * Author:
- * Rickard E. (Rik) Faith <faith@redhat.com>
- * Kevin E. Martin <kem@redhat.com>
- *
- */
-
-/** \file
- * This file provides the only interface to the X server extension support
- * in programs/Xserver/Xext. Those programs should only include dmxext.h
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include "dmx.h"
-#include "dmxinit.h"
-#include "dmxextension.h"
-#include "dmxwindow.h"
-#include "dmxcb.h"
-#include "dmxcursor.h"
-#include "dmxpixmap.h"
-#include "dmxgc.h"
-#include "dmxfont.h"
-#include "dmxcmap.h"
-#include "dmxpict.h"
-#include "dmxinput.h"
-#include "dmxsync.h"
-#include "dmxscrinit.h"
-#include "input/dmxinputinit.h"
-
-#include "windowstr.h"
-#include "inputstr.h" /* For DeviceIntRec */
-#include <X11/extensions/dmxproto.h> /* For DMX_BAD_* */
-#include "cursorstr.h"
-
-/* The default font is declared in dix/globals.c, but is not included in
- * _any_ header files. */
-extern FontPtr defaultFont;
-
-/** This routine provides information to the DMX protocol extension
- * about a particular screen. */
-Bool dmxGetScreenAttributes(int physical, DMXScreenAttributesPtr attr)
-{
- DMXScreenInfo *dmxScreen;
-
- if (physical < 0 || physical >= dmxNumScreens) return FALSE;
-
- dmxScreen = &dmxScreens[physical];
- attr->displayName = dmxScreen->name;
-#ifdef PANORAMIX
- attr->logicalScreen = noPanoramiXExtension ? dmxScreen->index : 0;
-#else
- attr->logicalScreen = dmxScreen->index;
-#endif
-
- attr->screenWindowWidth = dmxScreen->scrnWidth;
- attr->screenWindowHeight = dmxScreen->scrnHeight;
- attr->screenWindowXoffset = dmxScreen->scrnX;
- attr->screenWindowYoffset = dmxScreen->scrnY;
-
- attr->rootWindowWidth = dmxScreen->rootWidth;
- attr->rootWindowHeight = dmxScreen->rootHeight;
- attr->rootWindowXoffset = dmxScreen->rootX;
- attr->rootWindowYoffset = dmxScreen->rootY;
-
- attr->rootWindowXorigin = dmxScreen->rootXOrigin;
- attr->rootWindowYorigin = dmxScreen->rootYOrigin;
-
- return TRUE;
-}
-
-/** This routine provides information to the DMX protocol extension
- * about a particular window. */
-Bool dmxGetWindowAttributes(WindowPtr pWindow, DMXWindowAttributesPtr attr)
-{
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
-
- attr->screen = pWindow->drawable.pScreen->myNum;
- attr->window = pWinPriv->window;
-
- attr->pos.x = pWindow->drawable.x;
- attr->pos.y = pWindow->drawable.y;
- attr->pos.width = pWindow->drawable.width;
- attr->pos.height = pWindow->drawable.height;
-
- if (!pWinPriv->window || pWinPriv->offscreen) {
- attr->vis.x = 0;
- attr->vis.y = 0;
- attr->vis.height = 0;
- attr->vis.width = 0;
- return pWinPriv->window ? TRUE : FALSE;
- }
-
- /* Compute display-relative coordinates */
- attr->vis.x = pWindow->drawable.x;
- attr->vis.y = pWindow->drawable.y;
- attr->vis.width = pWindow->drawable.width;
- attr->vis.height = pWindow->drawable.height;
-
- if (attr->pos.x < 0) {
- attr->vis.x -= attr->pos.x;
- attr->vis.width = attr->pos.x + attr->pos.width - attr->vis.x;
- }
- if (attr->pos.x + attr->pos.width > pWindow->drawable.pScreen->width) {
- if (attr->pos.x < 0)
- attr->vis.width = pWindow->drawable.pScreen->width;
- else
- attr->vis.width = pWindow->drawable.pScreen->width - attr->pos.x;
- }
- if (attr->pos.y < 0) {
- attr->vis.y -= attr->pos.y;
- attr->vis.height = attr->pos.y + attr->pos.height - attr->vis.y;
- }
- if (attr->pos.y + attr->pos.height > pWindow->drawable.pScreen->height) {
- if (attr->pos.y < 0)
- attr->vis.height = pWindow->drawable.pScreen->height;
- else
- attr->vis.height = pWindow->drawable.pScreen->height - attr->pos.y;
- }
-
- /* Convert to window-relative coordinates */
- attr->vis.x -= attr->pos.x;
- attr->vis.y -= attr->pos.y;
-
- return TRUE;
-}
-
-void dmxGetDesktopAttributes(DMXDesktopAttributesPtr attr)
-{
- attr->width = dmxGlobalWidth;
- attr->height = dmxGlobalHeight;
- attr->shiftX = 0; /* NOTE: The upper left hand corner of */
- attr->shiftY = 0; /* the desktop is always <0,0>. */
-}
-
-/** Return the total number of devices, not just #dmxNumInputs. The
- * number returned should be the same as that returned by
- * XListInputDevices. */
-int dmxGetInputCount(void)
-{
- int i, total;
-
- for (total = i = 0; i < dmxNumInputs; i++) total += dmxInputs[i].numDevs;
- return total;
-}
-
-/** Return information about the device with id = \a deviceId. This
- * information is primarily for the #ProcDMXGetInputAttributes()
- * function, which does not have access to the appropriate data
- * structure. */
-int dmxGetInputAttributes(int deviceId, DMXInputAttributesPtr attr)
-{
- int i, j;
- DMXInputInfo *dmxInput;
-
- if (deviceId < 0) return -1;
- for (i = 0; i < dmxNumInputs; i++) {
- dmxInput = &dmxInputs[i];
- for (j = 0; j < dmxInput->numDevs; j++) {
- DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[j];
- if (deviceId != dmxLocal->pDevice->id) continue;
- attr->isCore = !!dmxLocal->isCore;
- attr->sendsCore = !!dmxLocal->sendsCore;
- attr->detached = !!dmxInput->detached;
- attr->physicalScreen = -1;
- attr->physicalId = -1;
- attr->name = NULL;
- switch (dmxLocal->extType) {
- case DMX_LOCAL_TYPE_LOCAL:
- attr->inputType = 0;
- break;
- case DMX_LOCAL_TYPE_CONSOLE:
- attr->inputType = 1;
- attr->name = dmxInput->name;
- attr->physicalId = dmxLocal->deviceId;
- break;
- case DMX_LOCAL_TYPE_BACKEND:
- case DMX_LOCAL_TYPE_COMMON:
- attr->inputType = 2;
- attr->physicalScreen = dmxInput->scrnIdx;
- attr->name = dmxInput->name;
- attr->physicalId = dmxLocal->deviceId;
- break;
- }
- return 0; /* Success */
- }
- }
- return -1; /* Failure */
-}
-
-/** Reinitialized the cursor boundaries. */
-static void dmxAdjustCursorBoundaries(void)
-{
- int i;
-
- dmxReInitOrigins();
- dmxInitOverlap();
- dmxComputeWidthHeight(DMX_NO_RECOMPUTE_BOUNDING_BOX);
- dmxConnectionBlockCallback();
- for (i = 0; i < dmxNumInputs; i++) {
- DMXInputInfo *dmxInput = &dmxInputs[i];
- if (!dmxInput->detached) dmxInputReInit(dmxInput);
- }
-
- dmxCheckCursor();
-
- for (i = 0; i < dmxNumInputs; i++) {
- DMXInputInfo *dmxInput = &dmxInputs[i];
- if (!dmxInput->detached) dmxInputLateReInit(dmxInput);
- }
-}
-
-/** Add an input with the specified attributes. If the input is added,
- * the physical id is returned in \a deviceId. */
-int dmxAddInput(DMXInputAttributesPtr attr, int *id)
-{
- int retcode = BadValue;
-
- if (attr->inputType == 1) /* console */
- retcode = dmxInputAttachConsole(attr->name, attr->sendsCore, id);
- else if (attr->inputType == 2) /* backend */
- retcode = dmxInputAttachBackend(attr->physicalScreen,
- attr->sendsCore,id);
-
- if (retcode == Success) {
- /* Adjust the cursor boundaries */
- dmxAdjustCursorBoundaries();
-
- /* Force completion of the changes */
- dmxSync(NULL, TRUE);
- }
-
- return retcode;
-}
-
-/** Remove the input with physical id \a id. */
-int dmxRemoveInput(int id)
-{
- return dmxInputDetachId(id);
-}
-
-/** Return the value of #dmxNumScreens -- the total number of backend
- * screens in use (these are logical screens and may be larger than the
- * number of backend displays). */
-unsigned long dmxGetNumScreens(void)
-{
- return dmxNumScreens;
-}
-
-/** Make sure that #dmxCreateAndRealizeWindow has been called for \a
- * pWindow. */
-void dmxForceWindowCreation(WindowPtr pWindow)
-{
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
- if (!pWinPriv->window) dmxCreateAndRealizeWindow(pWindow, TRUE);
-}
-
-/** Flush pending syncs for all screens. */
-void dmxFlushPendingSyncs(void)
-{
- dmxSync(NULL, TRUE);
-}
-
-/** Update DMX's screen resources to match those of the newly moved
- * and/or resized "root" window. */
-void dmxUpdateScreenResources(ScreenPtr pScreen, int x, int y, int w, int h)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- WindowPtr pRoot = pScreen->root;
- WindowPtr pChild;
- Bool anyMarked = FALSE;
-
- /* Handle special case where width and/or height are zero */
- if (w == 0 || h == 0) {
- w = 1;
- h = 1;
- }
-
- /* Change screen size */
- pScreen->width = w;
- pScreen->height = h;
-
- /* Reset the root window's drawable's size */
- pRoot->drawable.width = w;
- pRoot->drawable.height = h;
-
- /* Set the root window's new winSize and borderSize */
- pRoot->winSize.extents.x1 = 0;
- pRoot->winSize.extents.y1 = 0;
- pRoot->winSize.extents.x2 = w;
- pRoot->winSize.extents.y2 = h;
-
- pRoot->borderSize.extents.x1 = 0;
- pRoot->borderSize.extents.y1 = 0;
- pRoot->borderSize.extents.x2 = w;
- pRoot->borderSize.extents.y2 = h;
-
- /* Recompute this screen's mmWidth & mmHeight */
- pScreen->mmWidth =
- (w * 254 + dmxScreen->beXDPI * 5) / (dmxScreen->beXDPI * 10);
- pScreen->mmHeight =
- (h * 254 + dmxScreen->beYDPI * 5) / (dmxScreen->beYDPI * 10);
-
- /* Recompute this screen's window's clip rects as follows: */
- /* 1. Mark all of root's children's windows */
- for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib)
- anyMarked |= pScreen->MarkOverlappedWindows(pChild, pChild,
- (WindowPtr *)NULL);
-
- /* 2. Set the root window's borderClip */
- pRoot->borderClip.extents.x1 = 0;
- pRoot->borderClip.extents.y1 = 0;
- pRoot->borderClip.extents.x2 = w;
- pRoot->borderClip.extents.y2 = h;
-
- /* 3. Set the root window's clipList */
- if (anyMarked) {
- /* If any windows have been marked, set the root window's
- * clipList to be broken since it will be recalculated in
- * ValidateTree()
- */
- RegionBreak(&pRoot->clipList);
- } else {
- /* Otherwise, we just set it directly since there are no
- * windows visible on this screen
- */
- pRoot->clipList.extents.x1 = 0;
- pRoot->clipList.extents.y1 = 0;
- pRoot->clipList.extents.x2 = w;
- pRoot->clipList.extents.y2 = h;
- }
-
- /* 4. Revalidate all clip rects and generate expose events */
- if (anyMarked) {
- pScreen->ValidateTree(pRoot, NULL, VTBroken);
- pScreen->HandleExposures(pRoot);
- if (pScreen->PostValidateTree)
- pScreen->PostValidateTree(pRoot, NULL, VTBroken);
- }
-}
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-
-/** Change the "screen" window attributes by resizing the actual window
- * on the back-end display (if necessary). */
-static void dmxConfigureScreenWindow(int idx,
- int x, int y, int w, int h)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[idx];
- ScreenPtr pScreen = screenInfo.screens[idx];
-
- /* Resize "screen" window */
- if (dmxScreen->scrnX != x ||
- dmxScreen->scrnY != y ||
- dmxScreen->scrnWidth != w ||
- dmxScreen->scrnHeight != h) {
- dmxResizeScreenWindow(pScreen, x, y, w, h);
- }
-
- /* Change "screen" window values */
- dmxScreen->scrnX = x;
- dmxScreen->scrnY = y;
- dmxScreen->scrnWidth = w;
- dmxScreen->scrnHeight = h;
-}
-
-/** Change the "root" window position and size by resizing the actual
- * window on the back-end display (if necessary) and updating all of
- * DMX's resources by calling #dmxUpdateScreenResources. */
-static void dmxConfigureRootWindow(int idx, int x, int y, int w, int h)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[idx];
- WindowPtr pRoot = screenInfo.screens[idx]->root;
-
- /* NOTE: Either this function or the ones that it calls must handle
- * the case where w == 0 || h == 0. Currently, the functions that
- * this one calls handle that case. */
-
- /* 1. Resize "root" window */
- if (dmxScreen->rootX != x ||
- dmxScreen->rootY != y ||
- dmxScreen->rootWidth != w ||
- dmxScreen->rootHeight != h) {
- dmxResizeRootWindow(pRoot, x, y, w, h);
- }
-
- /* 2. Update all of the screen's resources associated with this root
- * window */
- if (dmxScreen->rootWidth != w ||
- dmxScreen->rootHeight != h) {
- dmxUpdateScreenResources(screenInfo.screens[idx], x, y, w, h);
- }
-
- /* Change "root" window values */
- dmxScreen->rootX = x;
- dmxScreen->rootY = y;
- dmxScreen->rootWidth = w;
- dmxScreen->rootHeight = h;
-}
-
-/** Change the "root" window's origin by updating DMX's internal data
- * structures (dix and Xinerama) to use the new origin and adjust the
- * positions of windows that overlap this "root" window. */
-static void dmxSetRootWindowOrigin(int idx, int x, int y)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[idx];
- ScreenPtr pScreen = screenInfo.screens[idx];
- WindowPtr pRoot = pScreen->root;
- WindowPtr pChild;
- int xoff;
- int yoff;
-
- /* Change "root" window's origin */
- dmxScreen->rootXOrigin = x;
- dmxScreen->rootYOrigin = y;
-
- /* Compute offsets here in case <x,y> has been changed above */
- xoff = x - pScreen->x;
- yoff = y - pScreen->y;
-
- /* Adjust the root window's position */
- pScreen->x = dmxScreen->rootXOrigin;
- pScreen->y = dmxScreen->rootYOrigin;
-
- /* Recalculate the Xinerama regions and data structs */
- XineramaReinitData(pScreen);
-
- /* Adjust each of the root window's children */
- if (!idx) ReinitializeRootWindow(screenInfo.screens[0]->root, xoff, yoff);
- pChild = pRoot->firstChild;
- while (pChild) {
- /* Adjust child window's position */
- pScreen->MoveWindow(pChild,
- pChild->origin.x - wBorderWidth(pChild) - xoff,
- pChild->origin.y - wBorderWidth(pChild) - yoff,
- pChild->nextSib,
- VTMove);
-
- /* Note that the call to MoveWindow will eventually call
- * dmxPositionWindow which will automatically create a
- * window if it is now exposed on screen (for lazy window
- * creation optimization) and it will properly set the
- * offscreen flag.
- */
-
- pChild = pChild->nextSib;
- }
-}
-
-/** Configure the attributes of each "screen" and "root" window. */
-int dmxConfigureScreenWindows(int nscreens,
- CARD32 *screens,
- DMXScreenAttributesPtr attribs,
- int *errorScreen)
-{
- int i;
-
- for (i = 0; i < nscreens; i++) {
- DMXScreenAttributesPtr attr = &attribs[i];
- int idx = screens[i];
- DMXScreenInfo *dmxScreen = &dmxScreens[idx];
-
- if (errorScreen) *errorScreen = i;
-
- if (!dmxScreen->beDisplay) return DMX_BAD_VALUE;
-
- /* Check for illegal values */
- if (idx < 0 || idx >= dmxNumScreens) return BadValue;
-
- /* The "screen" and "root" windows must have valid sizes */
- if (attr->screenWindowWidth <= 0 || attr->screenWindowHeight <= 0 ||
- attr->rootWindowWidth < 0 || attr->rootWindowHeight < 0)
- return DMX_BAD_VALUE;
-
- /* The "screen" window must fit entirely within the BE display */
- if (attr->screenWindowXoffset < 0 ||
- attr->screenWindowYoffset < 0 ||
- attr->screenWindowXoffset
- + attr->screenWindowWidth > (unsigned)dmxScreen->beWidth ||
- attr->screenWindowYoffset
- + attr->screenWindowHeight > (unsigned)dmxScreen->beHeight)
- return DMX_BAD_VALUE;
-
- /* The "root" window must fit entirely within the "screen" window */
- if (attr->rootWindowXoffset < 0 ||
- attr->rootWindowYoffset < 0 ||
- attr->rootWindowXoffset
- + attr->rootWindowWidth > attr->screenWindowWidth ||
- attr->rootWindowYoffset
- + attr->rootWindowHeight > attr->screenWindowHeight)
- return DMX_BAD_VALUE;
-
- /* The "root" window must not expose unaddressable coordinates */
- if (attr->rootWindowXorigin < 0 ||
- attr->rootWindowYorigin < 0 ||
- attr->rootWindowXorigin + attr->rootWindowWidth > 32767 ||
- attr->rootWindowYorigin + attr->rootWindowHeight > 32767)
- return DMX_BAD_VALUE;
-
- /* The "root" window must fit within the global bounding box */
- if (attr->rootWindowXorigin
- + attr->rootWindowWidth > (unsigned)dmxGlobalWidth ||
- attr->rootWindowYorigin
- + attr->rootWindowHeight > (unsigned)dmxGlobalHeight)
- return DMX_BAD_VALUE;
-
- /* FIXME: Handle the rest of the illegal value checking */
- }
-
- /* No illegal values found */
- if (errorScreen) *errorScreen = 0;
-
- for (i = 0; i < nscreens; i++) {
- DMXScreenAttributesPtr attr = &attribs[i];
- int idx = screens[i];
- DMXScreenInfo *dmxScreen = &dmxScreens[idx];
-
- dmxLog(dmxInfo, "Changing screen #%d attributes "
- "from %dx%d+%d+%d %dx%d+%d+%d +%d+%d "
- "to %dx%d+%d+%d %dx%d+%d+%d +%d+%d\n",
- idx,
- dmxScreen->scrnWidth, dmxScreen->scrnHeight,
- dmxScreen->scrnX, dmxScreen->scrnY,
- dmxScreen->rootWidth, dmxScreen->rootHeight,
- dmxScreen->rootX, dmxScreen->rootY,
- dmxScreen->rootXOrigin, dmxScreen->rootYOrigin,
- attr->screenWindowWidth, attr->screenWindowHeight,
- attr->screenWindowXoffset, attr->screenWindowYoffset,
- attr->rootWindowWidth, attr->rootWindowHeight,
- attr->rootWindowXoffset, attr->rootWindowYoffset,
- attr->rootWindowXorigin, attr->rootWindowYorigin);
-
- /* Configure "screen" window */
- dmxConfigureScreenWindow(idx,
- attr->screenWindowXoffset,
- attr->screenWindowYoffset,
- attr->screenWindowWidth,
- attr->screenWindowHeight);
-
- /* Configure "root" window */
- dmxConfigureRootWindow(idx,
- attr->rootWindowXoffset,
- attr->rootWindowYoffset,
- attr->rootWindowWidth,
- attr->rootWindowHeight);
-
-
- /* Set "root" window's origin */
- dmxSetRootWindowOrigin(idx,
- attr->rootWindowXorigin,
- attr->rootWindowYorigin);
- }
-
- /* Adjust the cursor boundaries */
- dmxAdjustCursorBoundaries();
-
- /* Force completion of the changes */
- dmxSync(NULL, TRUE);
-
- return Success;
-}
-
-/** Configure the attributes of the global desktop. */
-int dmxConfigureDesktop(DMXDesktopAttributesPtr attribs)
-{
- if (attribs->width <= 0 || attribs->width >= 32767 ||
- attribs->height <= 0 || attribs->height >= 32767)
- return DMX_BAD_VALUE;
-
- /* If the desktop is shrinking, adjust the "root" windows on each
- * "screen" window to only show the visible desktop. Also, handle
- * the special case where the desktop shrinks such that the it no
- * longer overlaps an portion of a "screen" window. */
- if (attribs->width < dmxGlobalWidth || attribs->height < dmxGlobalHeight) {
- int i;
- for (i = 0; i < dmxNumScreens; i++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[i];
- if (dmxScreen->rootXOrigin
- + dmxScreen->rootWidth > attribs->width ||
- dmxScreen->rootYOrigin
- + dmxScreen->rootHeight > attribs->height) {
- int w, h;
- if ((w = attribs->width - dmxScreen->rootXOrigin) < 0) w = 0;
- if ((h = attribs->height - dmxScreen->rootYOrigin) < 0) h = 0;
- if (w > dmxScreen->scrnWidth) w = dmxScreen->scrnWidth;
- if (h > dmxScreen->scrnHeight) h = dmxScreen->scrnHeight;
- if (w > dmxScreen->rootWidth) w = dmxScreen->rootWidth;
- if (h > dmxScreen->rootHeight) h = dmxScreen->rootHeight;
- dmxConfigureRootWindow(i,
- dmxScreen->rootX,
- dmxScreen->rootY,
- w, h);
- }
- }
- }
-
- /* Set the global width/height */
- dmxSetWidthHeight(attribs->width, attribs->height);
-
- /* Handle shift[XY] changes */
- if (attribs->shiftX || attribs->shiftY) {
- int i;
- for (i = 0; i < dmxNumScreens; i++) {
- ScreenPtr pScreen = screenInfo.screens[i];
- WindowPtr pChild = pScreen->root->firstChild;
- while (pChild) {
- /* Adjust child window's position */
- pScreen->MoveWindow(pChild,
- pChild->origin.x - wBorderWidth(pChild)
- - attribs->shiftX,
- pChild->origin.y - wBorderWidth(pChild)
- - attribs->shiftY,
- pChild->nextSib,
- VTMove);
-
- /* Note that the call to MoveWindow will eventually call
- * dmxPositionWindow which will automatically create a
- * window if it is now exposed on screen (for lazy
- * window creation optimization) and it will properly
- * set the offscreen flag.
- */
-
- pChild = pChild->nextSib;
- }
- }
- }
-
- /* Update connection block, Xinerama, etc. -- these appears to
- * already be handled in dmxConnectionBlockCallback(), which is
- * called from dmxAdjustCursorBoundaries() [below]. */
-
- /* Adjust the cursor boundaries */
- dmxAdjustCursorBoundaries();
-
- /* Force completion of the changes */
- dmxSync(NULL, TRUE);
-
- return Success;
-}
-#endif
-
-/** Create the scratch GCs per depth. */
-static void dmxBECreateScratchGCs(int scrnNum)
-{
- ScreenPtr pScreen = screenInfo.screens[scrnNum];
- GCPtr *ppGC = pScreen->GCperDepth;
- int i;
-
- for (i = 0; i <= pScreen->numDepths; i++)
- dmxBECreateGC(pScreen, ppGC[i]);
-}
-
-#ifdef PANORAMIX
-static Bool FoundPixImage;
-
-/** Search the Xinerama XRT_PIXMAP resources for the pixmap that needs
- * to have its image restored. When it is found, see if there is
- * another screen with the same image. If so, copy the pixmap image
- * from the existing screen to the newly created pixmap. */
-static void dmxBERestorePixmapImage(pointer value, XID id, RESTYPE type,
- pointer p)
-{
- if ((type & TypeMask) == (XRT_PIXMAP & TypeMask)) {
- PixmapPtr pDst = (PixmapPtr)p;
- int idx = pDst->drawable.pScreen->myNum;
- PanoramiXRes *pXinPix = (PanoramiXRes *)value;
- PixmapPtr pPix;
- int i;
-
- dixLookupResourceByType((pointer*) &pPix, pXinPix->info[idx].id,
- RT_PIXMAP, NullClient, DixUnknownAccess);
- if (pPix != pDst) return; /* Not a match.... Next! */
-
- FOR_NSCREENS(i) {
- PixmapPtr pSrc;
- dmxPixPrivPtr pSrcPriv = NULL;
-
- if (i == idx) continue; /* Self replication is bad */
-
- dixLookupResourceByType((pointer*) &pSrc, pXinPix->info[i].id,
- RT_PIXMAP, NullClient, DixUnknownAccess);
- pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
- if (pSrcPriv->pixmap) {
- DMXScreenInfo *dmxSrcScreen = &dmxScreens[i];
- DMXScreenInfo *dmxDstScreen = &dmxScreens[idx];
- dmxPixPrivPtr pDstPriv = DMX_GET_PIXMAP_PRIV(pDst);
- XImage *img;
- int j;
- XlibGC gc = NULL;
-
- /* This should never happen, but just in case.... */
- if (pSrc->drawable.width != pDst->drawable.width ||
- pSrc->drawable.height != pDst->drawable.height)
- return;
-
- /* Copy from src pixmap to dst pixmap */
- img = XGetImage(dmxSrcScreen->beDisplay,
- pSrcPriv->pixmap,
- 0, 0,
- pSrc->drawable.width, pSrc->drawable.height,
- -1,
- ZPixmap);
-
- for (j = 0; j < dmxDstScreen->beNumPixmapFormats; j++) {
- if (dmxDstScreen->bePixmapFormats[j].depth == img->depth) {
- unsigned long m;
- XGCValues v;
-
- m = GCFunction | GCPlaneMask | GCClipMask;
- v.function = GXcopy;
- v.plane_mask = AllPlanes;
- v.clip_mask = None;
-
- gc = XCreateGC(dmxDstScreen->beDisplay,
- dmxDstScreen->scrnDefDrawables[j],
- m, &v);
- break;
- }
- }
-
- if (gc) {
- XPutImage(dmxDstScreen->beDisplay,
- pDstPriv->pixmap,
- gc, img, 0, 0, 0, 0,
- pDst->drawable.width, pDst->drawable.height);
- XFreeGC(dmxDstScreen->beDisplay, gc);
- FoundPixImage = True;
- } else {
- dmxLog(dmxWarning, "Could not create GC\n");
- }
-
- XDestroyImage(img);
- return;
- }
- }
- }
-}
-#endif
-
-/** Restore the pixmap image either from another screen or from an image
- * that was saved when the screen was previously detached. */
-static void dmxBERestorePixmap(PixmapPtr pPixmap)
-{
-#ifdef PANORAMIX
- int i;
-
- /* If Xinerama is not active, there's nothing we can do (see comment
- * in #else below for more info). */
- if (noPanoramiXExtension) {
- dmxLog(dmxWarning, "Cannot restore pixmap image\n");
- return;
- }
-
- FoundPixImage = False;
- for (i = currentMaxClients; --i >= 0; )
- if (clients[i])
- FindAllClientResources(clients[i], dmxBERestorePixmapImage,
- (pointer)pPixmap);
-
- /* No corresponding pixmap image was found on other screens, so we
- * need to copy it from the saved image when the screen was detached
- * (if available). */
- if (!FoundPixImage) {
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
-
- if (pPixPriv->detachedImage) {
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- XlibGC gc = NULL;
-
- for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) {
- if (dmxScreen->bePixmapFormats[i].depth ==
- pPixPriv->detachedImage->depth) {
- unsigned long m;
- XGCValues v;
-
- m = GCFunction | GCPlaneMask | GCClipMask;
- v.function = GXcopy;
- v.plane_mask = AllPlanes;
- v.clip_mask = None;
-
- gc = XCreateGC(dmxScreen->beDisplay,
- dmxScreen->scrnDefDrawables[i],
- m, &v);
- break;
- }
- }
-
- if (gc) {
- XPutImage(dmxScreen->beDisplay,
- pPixPriv->pixmap,
- gc,
- pPixPriv->detachedImage,
- 0, 0, 0, 0,
- pPixmap->drawable.width, pPixmap->drawable.height);
- XFreeGC(dmxScreen->beDisplay, gc);
- } else {
- dmxLog(dmxWarning, "Cannot restore pixmap image\n");
- }
-
- XDestroyImage(pPixPriv->detachedImage);
- pPixPriv->detachedImage = NULL;
- } else {
- dmxLog(dmxWarning, "Cannot restore pixmap image\n");
- }
- }
-#else
- /* If Xinerama is not enabled, then there is no other copy of the
- * pixmap image that we can restore. Saving all pixmap data is not
- * a feasible option since there is no mechanism for updating pixmap
- * data when a screen is detached, which means that the data that
- * was previously saved would most likely be out of date. */
- dmxLog(dmxWarning, "Cannot restore pixmap image\n");
- return;
-#endif
-}
-
-/** Create resources on the back-end server. This function is called
- * from #dmxAttachScreen() via the dix layer's FindAllResources
- * function. It walks all resources, compares them to the screen
- * number passed in as \a n and calls the appropriate DMX function to
- * create the associated resource on the back-end server. */
-static void dmxBECreateResources(pointer value, XID id, RESTYPE type,
- pointer n)
-{
- int scrnNum = (uintptr_t)n;
- ScreenPtr pScreen = screenInfo.screens[scrnNum];
-
- if ((type & TypeMask) == (RT_WINDOW & TypeMask)) {
- /* Window resources are created below in dmxBECreateWindowTree */
- } else if ((type & TypeMask) == (RT_PIXMAP & TypeMask)) {
- PixmapPtr pPix = value;
- if (pPix->drawable.pScreen->myNum == scrnNum) {
- dmxBECreatePixmap(pPix);
- dmxBERestorePixmap(pPix);
- }
- } else if ((type & TypeMask) == (RT_GC & TypeMask)) {
- GCPtr pGC = value;
- if (pGC->pScreen->myNum == scrnNum) {
- /* Create the GC on the back-end server */
- dmxBECreateGC(pScreen, pGC);
- /* Create any pixmaps associated with this GC */
- if (!pGC->tileIsPixel) {
- dmxBECreatePixmap(pGC->tile.pixmap);
- dmxBERestorePixmap(pGC->tile.pixmap);
- }
- if (pGC->stipple != pScreen->PixmapPerDepth[0]) {
- dmxBECreatePixmap(pGC->stipple);
- dmxBERestorePixmap(pGC->stipple);
- }
- if (pGC->font != defaultFont) {
- (void)dmxBELoadFont(pScreen, pGC->font);
- }
- /* Update the GC on the back-end server */
- dmxChangeGC(pGC, -1L);
- }
- } else if ((type & TypeMask) == (RT_FONT & TypeMask)) {
- (void)dmxBELoadFont(pScreen, (FontPtr)value);
- } else if ((type & TypeMask) == (RT_CURSOR & TypeMask)) {
- dmxBECreateCursor(pScreen, (CursorPtr)value);
- } else if ((type & TypeMask) == (RT_COLORMAP & TypeMask)) {
- ColormapPtr pCmap = value;
- if (pCmap->pScreen->myNum == scrnNum)
- (void)dmxBECreateColormap((ColormapPtr)value);
-#if 0
- /* TODO: Recreate Picture and GlyphSet resources */
- } else if ((type & TypeMask) == (PictureType & TypeMask)) {
- /* Picture resources are created when windows are created */
- } else if ((type & TypeMask) == (GlyphSetType & TypeMask)) {
- dmxBEFreeGlyphSet(pScreen, (GlyphSetPtr)value);
-#endif
- } else {
- /* Other resource types??? */
- }
-}
-
-/** Create window hierachy on back-end server. The window tree is
- * created in a special order (bottom most subwindow first) so that the
- * #dmxCreateNonRootWindow() function does not need to recursively call
- * itself to create each window's parents. This is required so that we
- * have the opportunity to create each window's border and background
- * pixmaps (where appropriate) before the window is created. */
-static void dmxBECreateWindowTree(int idx)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[idx];
- WindowPtr pRoot = screenInfo.screens[idx]->root;
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pRoot);
- WindowPtr pWin;
-
- /* Create the pixmaps associated with the root window */
- if (!pRoot->borderIsPixel) {
- dmxBECreatePixmap(pRoot->border.pixmap);
- dmxBERestorePixmap(pRoot->border.pixmap);
- }
- if (pRoot->backgroundState == BackgroundPixmap) {
- dmxBECreatePixmap(pRoot->background.pixmap);
- dmxBERestorePixmap(pRoot->background.pixmap);
- }
-
- /* Create root window first */
- dmxScreen->rootWin = pWinPriv->window = dmxCreateRootWindow(pRoot);
- XMapWindow(dmxScreen->beDisplay, dmxScreen->rootWin);
-
- pWin = pRoot->lastChild;
- while (pWin) {
- pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
-
- /* Create the pixmaps regardless of whether or not the
- * window is created or not due to lazy window creation.
- */
- if (!pWin->borderIsPixel) {
- dmxBECreatePixmap(pWin->border.pixmap);
- dmxBERestorePixmap(pWin->border.pixmap);
- }
- if (pWin->backgroundState == BackgroundPixmap) {
- dmxBECreatePixmap(pWin->background.pixmap);
- dmxBERestorePixmap(pWin->background.pixmap);
- }
-
- /* Reset the window attributes */
- dmxGetDefaultWindowAttributes(pWin,
- &pWinPriv->cmap,
- &pWinPriv->visual);
-
- /* Create the window */
- if (pWinPriv->mapped && !pWinPriv->offscreen)
- dmxCreateAndRealizeWindow(pWin, TRUE);
-
- /* Next, create the bottom-most child */
- if (pWin->lastChild) {
- pWin = pWin->lastChild;
- continue;
- }
-
- /* If the window has no children, move on to the next higher window */
- while (!pWin->prevSib && (pWin != pRoot))
- pWin = pWin->parent;
-
- if (pWin->prevSib) {
- pWin = pWin->prevSib;
- continue;
- }
-
- /* When we reach the root window, we are finished */
- if (pWin == pRoot)
- break;
- }
-}
-
-/* Refresh screen by generating exposure events for all windows */
-static void dmxForceExposures(int idx)
-{
- ScreenPtr pScreen = screenInfo.screens[idx];
- WindowPtr pRoot = pScreen->root;
- Bool anyMarked = FALSE;
- WindowPtr pChild;
-
- for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib)
- anyMarked |= pScreen->MarkOverlappedWindows(pChild, pChild,
- (WindowPtr *)NULL);
- if (anyMarked) {
- /* If any windows have been marked, set the root window's
- * clipList to be broken since it will be recalculated in
- * ValidateTree()
- */
- RegionBreak(&pRoot->clipList);
- pScreen->ValidateTree(pRoot, NULL, VTBroken);
- pScreen->HandleExposures(pRoot);
- if (pScreen->PostValidateTree)
- pScreen->PostValidateTree(pRoot, NULL, VTBroken);
- }
-}
-
-/** Compare the new and old screens to see if they are compatible. */
-static Bool dmxCompareScreens(DMXScreenInfo *new, DMXScreenInfo *old)
-{
- int i;
-
- if (new->beWidth != old->beWidth) return FALSE;
- if (new->beHeight != old->beHeight) return FALSE;
- if (new->beDepth != old->beDepth) return FALSE;
- if (new->beBPP != old->beBPP) return FALSE;
-
- if (new->beNumDepths != old->beNumDepths) return FALSE;
- for (i = 0; i < old->beNumDepths; i++)
- if (new->beDepths[i] != old->beDepths[i]) return FALSE;
-
- if (new->beNumPixmapFormats != old->beNumPixmapFormats) return FALSE;
- for (i = 0; i < old->beNumPixmapFormats; i++) {
- if (new->bePixmapFormats[i].depth !=
- old->bePixmapFormats[i].depth) return FALSE;
- if (new->bePixmapFormats[i].bits_per_pixel !=
- old->bePixmapFormats[i].bits_per_pixel) return FALSE;
- if (new->bePixmapFormats[i].scanline_pad !=
- old->bePixmapFormats[i].scanline_pad) return FALSE;
- }
-
- if (new->beNumVisuals != old->beNumVisuals) return FALSE;
- for (i = 0; i < old->beNumVisuals; i++) {
- if (new->beVisuals[i].visualid !=
- old->beVisuals[i].visualid) return FALSE;
- if (new->beVisuals[i].screen !=
- old->beVisuals[i].screen) return FALSE;
- if (new->beVisuals[i].depth !=
- old->beVisuals[i].depth) return FALSE;
- if (new->beVisuals[i].class !=
- old->beVisuals[i].class) return FALSE;
- if (new->beVisuals[i].red_mask !=
- old->beVisuals[i].red_mask) return FALSE;
- if (new->beVisuals[i].green_mask !=
- old->beVisuals[i].green_mask) return FALSE;
- if (new->beVisuals[i].blue_mask !=
- old->beVisuals[i].blue_mask) return FALSE;
- if (new->beVisuals[i].colormap_size !=
- old->beVisuals[i].colormap_size) return FALSE;
- if (new->beVisuals[i].bits_per_rgb !=
- old->beVisuals[i].bits_per_rgb) return FALSE;
- }
-
- if (new->beDefVisualIndex != old->beDefVisualIndex) return FALSE;
-
- return TRUE;
-}
-
-/** Restore Render's picture */
-static void dmxBERestoreRenderPict(pointer value, XID id, pointer n)
-{
- PicturePtr pPicture = value; /* The picture */
- DrawablePtr pDraw = pPicture->pDrawable; /* The picture's drawable */
- int scrnNum = (uintptr_t)n;
-
- if (pDraw->pScreen->myNum != scrnNum) {
- /* Picture not on the screen we are restoring*/
- return;
- }
-
- if (pDraw->type == DRAWABLE_PIXMAP) {
- PixmapPtr pPixmap = (PixmapPtr)pDraw;
-
- /* Create and restore the pixmap drawable */
- dmxBECreatePixmap(pPixmap);
- dmxBERestorePixmap(pPixmap);
- }
-
- dmxBECreatePicture(pPicture);
-}
-
-/** Restore Render's glyphs */
-static void dmxBERestoreRenderGlyph(pointer value, XID id, pointer n)
-{
- GlyphSetPtr glyphSet = value;
- int scrnNum = (uintptr_t)n;
- dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
- DMXScreenInfo *dmxScreen = &dmxScreens[scrnNum];
- GlyphRefPtr table;
- char *images;
- Glyph *gids;
- XGlyphInfo *glyphs;
- char *pos;
- int beret;
- int len_images = 0;
- int i;
- int ctr;
-
- if (glyphPriv->glyphSets[scrnNum]) {
- /* Only restore glyphs on the screen we are attaching */
- return;
- }
-
- /* First we must create the glyph set on the backend. */
- if ((beret = dmxBECreateGlyphSet(scrnNum, glyphSet)) != Success) {
- dmxLog(dmxWarning,
- "\tdmxBERestoreRenderGlyph failed to create glyphset!\n");
- return;
- }
-
- /* Now for the complex part, restore the glyph data */
- table = glyphSet->hash.table;
-
- /* We need to know how much memory to allocate for this part */
- for (i = 0; i < glyphSet->hash.hashSet->size; i++) {
- GlyphRefPtr gr = &table[i];
- GlyphPtr gl = gr->glyph;
-
- if (!gl || gl == DeletedGlyph) continue;
- len_images += gl->size - sizeof(gl->info);
- }
-
- /* Now allocate the memory we need */
- images = calloc(len_images, sizeof(char));
- gids = malloc(glyphSet->hash.tableEntries*sizeof(Glyph));
- glyphs = malloc(glyphSet->hash.tableEntries*sizeof(XGlyphInfo));
-
- pos = images;
- ctr = 0;
-
- /* Fill the allocated memory with the proper data */
- for (i = 0; i < glyphSet->hash.hashSet->size; i++) {
- GlyphRefPtr gr = &table[i];
- GlyphPtr gl = gr->glyph;
-
- if (!gl || gl == DeletedGlyph) continue;
-
- /* First lets put the data into gids */
- gids[ctr] = gr->signature;
-
- /* Next do the glyphs data structures */
- glyphs[ctr].width = gl->info.width;
- glyphs[ctr].height = gl->info.height;
- glyphs[ctr].x = gl->info.x;
- glyphs[ctr].y = gl->info.y;
- glyphs[ctr].xOff = gl->info.xOff;
- glyphs[ctr].yOff = gl->info.yOff;
-
- /* Copy the images from the DIX's data into the buffer */
- memcpy(pos, gl+1, gl->size - sizeof(gl->info));
- pos += gl->size - sizeof(gl->info);
- ctr++;
- }
-
- /* Now restore the glyph data */
- XRenderAddGlyphs(dmxScreen->beDisplay, glyphPriv->glyphSets[scrnNum],
- gids,glyphs, glyphSet->hash.tableEntries, images,
- len_images);
-
- /* Clean up */
- free(images);
- free(gids);
- free(glyphs);
-}
-
-/** Reattach previously detached back-end screen. */
-int dmxAttachScreen(int idx, DMXScreenAttributesPtr attr)
-{
- ScreenPtr pScreen;
- DMXScreenInfo *dmxScreen;
- CARD32 scrnNum = idx;
- DMXScreenInfo oldDMXScreen;
- int i;
-
- /* Return failure if dynamic addition/removal of screens is disabled */
- if (!dmxAddRemoveScreens) {
- dmxLog(dmxWarning,
- "Attempting to add a screen, but the AddRemoveScreen\n");
- dmxLog(dmxWarning,
- "extension has not been enabled. To enable this extension\n");
- dmxLog(dmxWarning,
- "add the \"-addremovescreens\" option either to the command\n");
- dmxLog(dmxWarning,
- "line or in the configuration file.\n");
- return 1;
- }
-
- /* Cannot add a screen that does not exist */
- if (idx < 0 || idx >= dmxNumScreens) return 1;
- pScreen = screenInfo.screens[idx];
- dmxScreen = &dmxScreens[idx];
-
- /* Cannot attach to a screen that is already opened */
- if (dmxScreen->beDisplay) {
- dmxLog(dmxWarning,
- "Attempting to add screen #%d but a screen already exists\n",
- idx);
- return 1;
- }
-
- dmxLogOutput(dmxScreen, "Attaching screen #%d\n", idx);
-
- /* Save old info */
- oldDMXScreen = *dmxScreen;
-
- /* Copy the name to the new screen */
- dmxScreen->name = strdup(attr->displayName);
-
- /* Open display and get all of the screen info */
- if (!dmxOpenDisplay(dmxScreen)) {
- dmxLog(dmxWarning,
- "dmxOpenDisplay: Unable to open display %s\n",
- dmxScreen->name);
-
- /* Restore the old screen */
- *dmxScreen = oldDMXScreen;
- return 1;
- }
-
- dmxSetErrorHandler(dmxScreen);
- dmxCheckForWM(dmxScreen);
- dmxGetScreenAttribs(dmxScreen);
-
- if (!dmxGetVisualInfo(dmxScreen)) {
- dmxLog(dmxWarning, "dmxGetVisualInfo: No matching visuals found\n");
- XFree(dmxScreen->beVisuals);
- XCloseDisplay(dmxScreen->beDisplay);
-
- /* Restore the old screen */
- *dmxScreen = oldDMXScreen;
- return 1;
- }
-
- dmxGetColormaps(dmxScreen);
- dmxGetPixmapFormats(dmxScreen);
-
- /* Verify that the screen to be added has the same info as the
- * previously added screen. */
- if (!dmxCompareScreens(dmxScreen, &oldDMXScreen)) {
- dmxLog(dmxWarning,
- "New screen data (%s) does not match previously\n",
- dmxScreen->name);
- dmxLog(dmxWarning,
- "attached screen data (%s)\n",
- oldDMXScreen.name);
- dmxLog(dmxWarning,
- "All data must match in order to attach to screen #%d\n",
- idx);
- XFree(dmxScreen->beVisuals);
- XFree(dmxScreen->beDepths);
- XFree(dmxScreen->bePixmapFormats);
- XCloseDisplay(dmxScreen->beDisplay);
-
- /* Restore the old screen */
- *dmxScreen = oldDMXScreen;
- return 1;
- }
-
- /* Initialize the BE screen resources */
- dmxBEScreenInit(idx, screenInfo.screens[idx]);
-
- /* TODO: Handle GLX visual initialization. GLXProxy needs to be
- * updated to handle dynamic addition/removal of screens. */
-
- /* Create default stipple */
- dmxBECreatePixmap(pScreen->PixmapPerDepth[0]);
- dmxBERestorePixmap(pScreen->PixmapPerDepth[0]);
-
- /* Create the scratch GCs */
- dmxBECreateScratchGCs(idx);
-
- /* Create the default font */
- (void)dmxBELoadFont(pScreen, defaultFont);
-
- /* Create all resources that don't depend on windows */
- for (i = currentMaxClients; --i >= 0; )
- if (clients[i])
- FindAllClientResources(clients[i], dmxBECreateResources,
- (pointer)(uintptr_t)idx);
-
- /* Create window hierarchy (top down) */
- dmxBECreateWindowTree(idx);
-
- /* Restore the picture state for RENDER */
- for (i = currentMaxClients; --i >= 0; )
- if (clients[i])
- FindClientResourcesByType(clients[i],PictureType,
- dmxBERestoreRenderPict,
- (pointer)(uintptr_t)idx);
-
- /* Restore the glyph state for RENDER */
- for (i = currentMaxClients; --i >= 0; )
- if (clients[i])
- FindClientResourcesByType(clients[i],GlyphSetType,
- dmxBERestoreRenderGlyph,
- (pointer)(uintptr_t)idx);
-
- /* Refresh screen by generating exposure events for all windows */
- dmxForceExposures(idx);
-
- dmxSync(&dmxScreens[idx], TRUE);
-
- /* We used these to compare the old and new screens. They are no
- * longer needed since we have a newly attached screen, so we can
- * now free the old screen's resources. */
- XFree(oldDMXScreen.beVisuals);
- XFree(oldDMXScreen.beDepths);
- XFree(oldDMXScreen.bePixmapFormats);
- /* TODO: should oldDMXScreen.name be freed?? */
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- return dmxConfigureScreenWindows(1, &scrnNum, attr, NULL);
- else
-#endif
- return 0; /* Success */
-}
-
-/*
- * Resources that may have state on the BE server and need to be freed:
- *
- * RT_NONE
- * RT_WINDOW
- * RT_PIXMAP
- * RT_GC
- * RT_FONT
- * RT_CURSOR
- * RT_COLORMAP
- * RT_CMAPENTRY
- * RT_OTHERCLIENT
- * RT_PASSIVEGRAB
- * XRT_WINDOW
- * XRT_PIXMAP
- * XRT_GC
- * XRT_COLORMAP
- * XRT_PICTURE
- * PictureType
- * PictFormatType
- * GlyphSetType
- * ClientType
- * EventType
- * RT_INPUTCLIENT
- * XETrapType
- * RTCounter
- * RTAwait
- * RTAlarmClient
- * RT_XKBCLIENT
- * RTContext
- * TagResType
- * StalledResType
- * SecurityAuthorizationResType
- * RTEventClient
- * __glXContextRes
- * __glXClientRes
- * __glXPixmapRes
- * __glXWindowRes
- * __glXPbufferRes
- */
-
-#ifdef PANORAMIX
-/** Search the Xinerama XRT_PIXMAP resources for the pixmap that needs
- * to have its image saved. */
-static void dmxBEFindPixmapImage(pointer value, XID id, RESTYPE type,
- pointer p)
-{
- if ((type & TypeMask) == (XRT_PIXMAP & TypeMask)) {
- PixmapPtr pDst = (PixmapPtr)p;
- int idx = pDst->drawable.pScreen->myNum;
- PanoramiXRes *pXinPix = (PanoramiXRes *)value;
- PixmapPtr pPix;
- int i;
-
- dixLookupResourceByType((pointer*) &pPix, pXinPix->info[idx].id,
- RT_PIXMAP, NullClient, DixUnknownAccess);
- if (pPix != pDst) return; /* Not a match.... Next! */
-
- FOR_NSCREENS(i) {
- PixmapPtr pSrc;
- dmxPixPrivPtr pSrcPriv = NULL;
-
- if (i == idx) continue; /* Self replication is bad */
-
- dixLookupResourceByType((pointer*) &pSrc, pXinPix->info[i].id,
- RT_PIXMAP, NullClient, DixUnknownAccess);
- pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
- if (pSrcPriv->pixmap) {
- FoundPixImage = True;
- return;
- }
- }
- }
-}
-#endif
-
-/** Save the pixmap image only when there is not another screen with
- * that pixmap from which the image can be read when the screen is
- * reattached. To do this, we first try to find a pixmap on another
- * screen corresponding to the one we are trying to save. If we find
- * one, then we do not need to save the image data since during
- * reattachment, the image data can be read from that other pixmap.
- * However, if we do not find one, then we need to save the image data.
- * The common case for these are for the default stipple and root
- * tile. */
-static void dmxBESavePixmap(PixmapPtr pPixmap)
-{
-#ifdef PANORAMIX
- int i;
-
- /* If Xinerama is not active, there's nothing we can do (see comment
- * in #else below for more info). */
- if (noPanoramiXExtension) return;
-
- FoundPixImage = False;
- for (i = currentMaxClients; --i >= 0; )
- if (clients[i])
- FindAllClientResources(clients[i], dmxBEFindPixmapImage,
- (pointer)pPixmap);
-
- /* Save the image only if there is no other screens that have a
- * pixmap that corresponds to the one we are trying to save. */
- if (!FoundPixImage) {
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
-
- if (!pPixPriv->detachedImage) {
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
-
- pPixPriv->detachedImage = XGetImage(dmxScreen->beDisplay,
- pPixPriv->pixmap,
- 0, 0,
- pPixmap->drawable.width,
- pPixmap->drawable.height,
- -1,
- ZPixmap);
- if (!pPixPriv->detachedImage)
- dmxLog(dmxWarning, "Cannot save pixmap image\n");
- }
- }
-#else
- /* NOTE: The only time there is a pixmap on another screen that
- * corresponds to the one we are trying to save is when Xinerama is
- * active. Otherwise, the pixmap image data is only stored on a
- * single screen, which means that once it is detached, that data is
- * lost. We could save the data here, but then that would require
- * us to implement the ability for Xdmx to keep the pixmap up to
- * date while the screen is detached, which is beyond the scope of
- * the current project. */
- return;
-#endif
-}
-
-/** Destroy resources on the back-end server. This function is called
- * from #dmxDetachScreen() via the dix layer's FindAllResources
- * function. It walks all resources, compares them to the screen
- * number passed in as \a n and calls the appropriate DMX function to
- * free the associated resource on the back-end server. */
-static void dmxBEDestroyResources(pointer value, XID id, RESTYPE type,
- pointer n)
-{
- int scrnNum = (uintptr_t)n;
- ScreenPtr pScreen = screenInfo.screens[scrnNum];
-
- if ((type & TypeMask) == (RT_WINDOW & TypeMask)) {
- /* Window resources are destroyed below in dmxBEDestroyWindowTree */
- } else if ((type & TypeMask) == (RT_PIXMAP & TypeMask)) {
- PixmapPtr pPix = value;
- if (pPix->drawable.pScreen->myNum == scrnNum) {
- dmxBESavePixmap(pPix);
- dmxBEFreePixmap(pPix);
- }
- } else if ((type & TypeMask) == (RT_GC & TypeMask)) {
- GCPtr pGC = value;
- if (pGC->pScreen->myNum == scrnNum)
- dmxBEFreeGC(pGC);
- } else if ((type & TypeMask) == (RT_FONT & TypeMask)) {
- dmxBEFreeFont(pScreen, (FontPtr)value);
- } else if ((type & TypeMask) == (RT_CURSOR & TypeMask)) {
- dmxBEFreeCursor(pScreen, (CursorPtr)value);
- } else if ((type & TypeMask) == (RT_COLORMAP & TypeMask)) {
- ColormapPtr pCmap = value;
- if (pCmap->pScreen->myNum == scrnNum)
- dmxBEFreeColormap((ColormapPtr)value);
- } else if ((type & TypeMask) == (PictureType & TypeMask)) {
- PicturePtr pPict = value;
- if (pPict->pDrawable->pScreen->myNum == scrnNum) {
- /* Free the pixmaps on the backend if needed */
- if (pPict->pDrawable->type == DRAWABLE_PIXMAP) {
- PixmapPtr pPixmap = (PixmapPtr)(pPict->pDrawable);
- dmxBESavePixmap(pPixmap);
- dmxBEFreePixmap(pPixmap);
- }
- dmxBEFreePicture((PicturePtr)value);
- }
- } else if ((type & TypeMask) == (GlyphSetType & TypeMask)) {
- dmxBEFreeGlyphSet(pScreen, (GlyphSetPtr)value);
- } else {
- /* Other resource types??? */
- }
-}
-
-/** Destroy the scratch GCs that are created per depth. */
-static void dmxBEDestroyScratchGCs(int scrnNum)
-{
- ScreenPtr pScreen = screenInfo.screens[scrnNum];
- GCPtr *ppGC = pScreen->GCperDepth;
- int i;
-
- for (i = 0; i <= pScreen->numDepths; i++)
- dmxBEFreeGC(ppGC[i]);
-}
-
-/** Destroy window hierachy on back-end server. To ensure that all
- * XDestroyWindow() calls succeed, they must be performed in a bottom
- * up order so that windows are not destroyed before their children.
- * XDestroyWindow(), which is called from #dmxBEDestroyWindow(), will
- * destroy a window as well as all of it's children. */
-static void dmxBEDestroyWindowTree(int idx)
-{
- WindowPtr pWin = screenInfo.screens[idx]->root;
- WindowPtr pChild = pWin;
-
- while (1) {
- if (pChild->firstChild) {
- pChild = pChild->firstChild;
- continue;
- }
-
- /* Destroy the window */
- dmxBEDestroyWindow(pChild);
-
- /* Make sure we destroy the window's border and background
- * pixmaps if they exist */
- if (!pChild->borderIsPixel) {
- dmxBESavePixmap(pChild->border.pixmap);
- dmxBEFreePixmap(pChild->border.pixmap);
- }
- if (pChild->backgroundState == BackgroundPixmap) {
- dmxBESavePixmap(pChild->background.pixmap);
- dmxBEFreePixmap(pChild->background.pixmap);
- }
-
- while (!pChild->nextSib && (pChild != pWin)) {
- pChild = pChild->parent;
- dmxBEDestroyWindow(pChild);
- if (!pChild->borderIsPixel) {
- dmxBESavePixmap(pChild->border.pixmap);
- dmxBEFreePixmap(pChild->border.pixmap);
- }
- if (pChild->backgroundState == BackgroundPixmap) {
- dmxBESavePixmap(pChild->background.pixmap);
- dmxBEFreePixmap(pChild->background.pixmap);
- }
- }
-
- if (pChild == pWin)
- break;
-
- pChild = pChild->nextSib;
- }
-}
-
-/** Detach back-end screen. */
-int dmxDetachScreen(int idx)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[idx];
- int i;
-
- /* Return failure if dynamic addition/removal of screens is disabled */
- if (!dmxAddRemoveScreens) {
- dmxLog(dmxWarning,
- "Attempting to remove a screen, but the AddRemoveScreen\n");
- dmxLog(dmxWarning,
- "extension has not been enabled. To enable this extension\n");
- dmxLog(dmxWarning,
- "add the \"-addremovescreens\" option either to the command\n");
- dmxLog(dmxWarning,
- "line or in the configuration file.\n");
- return 1;
- }
-
- /* Cannot remove a screen that does not exist */
- if (idx < 0 || idx >= dmxNumScreens) return 1;
-
- /* Cannot detach from a screen that is not opened */
- if (!dmxScreen->beDisplay) {
- dmxLog(dmxWarning,
- "Attempting to remove screen #%d but it has not been opened\n",
- idx);
- return 1;
- }
-
- dmxLogOutput(dmxScreen, "Detaching screen #%d\n", idx);
-
- /* Detach input */
- dmxInputDetachAll(dmxScreen);
-
- /* Save all relevant state (TODO) */
-
- /* Free all non-window resources related to this screen */
- for (i = currentMaxClients; --i >= 0; )
- if (clients[i])
- FindAllClientResources(clients[i], dmxBEDestroyResources,
- (pointer)(uintptr_t)idx);
-
- /* Free scratch GCs */
- dmxBEDestroyScratchGCs(idx);
-
- /* Free window resources related to this screen */
- dmxBEDestroyWindowTree(idx);
-
- /* Free default stipple */
- dmxBESavePixmap(screenInfo.screens[idx]->PixmapPerDepth[0]);
- dmxBEFreePixmap(screenInfo.screens[idx]->PixmapPerDepth[0]);
-
- /* Free the remaining screen resources and close the screen */
- dmxBECloseScreen(screenInfo.screens[idx]);
-
- /* Adjust the cursor boundaries (paints detached console window) */
- dmxAdjustCursorBoundaries();
-
- return 0; /* Success */
-}
+/*
+ * Copyright 2003-2004 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.
+ */
+
+/*
+ * Author:
+ * Rickard E. (Rik) Faith <faith@redhat.com>
+ * Kevin E. Martin <kem@redhat.com>
+ *
+ */
+
+/** \file
+ * This file provides the only interface to the X server extension support
+ * in programs/Xserver/Xext. Those programs should only include dmxext.h
+ */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include "dmx.h"
+#include "dmxinit.h"
+#include "dmxextension.h"
+#include "dmxwindow.h"
+#include "dmxcb.h"
+#include "dmxcursor.h"
+#include "dmxpixmap.h"
+#include "dmxgc.h"
+#include "dmxfont.h"
+#include "dmxcmap.h"
+#include "dmxpict.h"
+#include "dmxinput.h"
+#include "dmxsync.h"
+#include "dmxscrinit.h"
+#include "input/dmxinputinit.h"
+
+#include "windowstr.h"
+#include "inputstr.h" /* For DeviceIntRec */
+#include <X11/extensions/dmxproto.h> /* For DMX_BAD_* */
+#include "cursorstr.h"
+
+/* The default font is declared in dix/globals.c, but is not included in
+ * _any_ header files. */
+extern FontPtr defaultFont;
+
+/** This routine provides information to the DMX protocol extension
+ * about a particular screen. */
+Bool dmxGetScreenAttributes(int physical, DMXScreenAttributesPtr attr)
+{
+ DMXScreenInfo *dmxScreen;
+
+ if (physical < 0 || physical >= dmxNumScreens) return FALSE;
+
+ dmxScreen = &dmxScreens[physical];
+ attr->displayName = dmxScreen->name;
+#ifdef PANORAMIX
+ attr->logicalScreen = noPanoramiXExtension ? dmxScreen->index : 0;
+#else
+ attr->logicalScreen = dmxScreen->index;
+#endif
+
+ attr->screenWindowWidth = dmxScreen->scrnWidth;
+ attr->screenWindowHeight = dmxScreen->scrnHeight;
+ attr->screenWindowXoffset = dmxScreen->scrnX;
+ attr->screenWindowYoffset = dmxScreen->scrnY;
+
+ attr->rootWindowWidth = dmxScreen->rootWidth;
+ attr->rootWindowHeight = dmxScreen->rootHeight;
+ attr->rootWindowXoffset = dmxScreen->rootX;
+ attr->rootWindowYoffset = dmxScreen->rootY;
+
+ attr->rootWindowXorigin = dmxScreen->rootXOrigin;
+ attr->rootWindowYorigin = dmxScreen->rootYOrigin;
+
+ return TRUE;
+}
+
+/** This routine provides information to the DMX protocol extension
+ * about a particular window. */
+Bool dmxGetWindowAttributes(WindowPtr pWindow, DMXWindowAttributesPtr attr)
+{
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+
+ attr->screen = pWindow->drawable.pScreen->myNum;
+ attr->window = pWinPriv->window;
+
+ attr->pos.x = pWindow->drawable.x;
+ attr->pos.y = pWindow->drawable.y;
+ attr->pos.width = pWindow->drawable.width;
+ attr->pos.height = pWindow->drawable.height;
+
+ if (!pWinPriv->window || pWinPriv->offscreen) {
+ attr->vis.x = 0;
+ attr->vis.y = 0;
+ attr->vis.height = 0;
+ attr->vis.width = 0;
+ return pWinPriv->window ? TRUE : FALSE;
+ }
+
+ /* Compute display-relative coordinates */
+ attr->vis.x = pWindow->drawable.x;
+ attr->vis.y = pWindow->drawable.y;
+ attr->vis.width = pWindow->drawable.width;
+ attr->vis.height = pWindow->drawable.height;
+
+ if (attr->pos.x < 0) {
+ attr->vis.x -= attr->pos.x;
+ attr->vis.width = attr->pos.x + attr->pos.width - attr->vis.x;
+ }
+ if (attr->pos.x + attr->pos.width > pWindow->drawable.pScreen->width) {
+ if (attr->pos.x < 0)
+ attr->vis.width = pWindow->drawable.pScreen->width;
+ else
+ attr->vis.width = pWindow->drawable.pScreen->width - attr->pos.x;
+ }
+ if (attr->pos.y < 0) {
+ attr->vis.y -= attr->pos.y;
+ attr->vis.height = attr->pos.y + attr->pos.height - attr->vis.y;
+ }
+ if (attr->pos.y + attr->pos.height > pWindow->drawable.pScreen->height) {
+ if (attr->pos.y < 0)
+ attr->vis.height = pWindow->drawable.pScreen->height;
+ else
+ attr->vis.height = pWindow->drawable.pScreen->height - attr->pos.y;
+ }
+
+ /* Convert to window-relative coordinates */
+ attr->vis.x -= attr->pos.x;
+ attr->vis.y -= attr->pos.y;
+
+ return TRUE;
+}
+
+void dmxGetDesktopAttributes(DMXDesktopAttributesPtr attr)
+{
+ attr->width = dmxGlobalWidth;
+ attr->height = dmxGlobalHeight;
+ attr->shiftX = 0; /* NOTE: The upper left hand corner of */
+ attr->shiftY = 0; /* the desktop is always <0,0>. */
+}
+
+/** Return the total number of devices, not just #dmxNumInputs. The
+ * number returned should be the same as that returned by
+ * XListInputDevices. */
+int dmxGetInputCount(void)
+{
+ int i, total;
+
+ for (total = i = 0; i < dmxNumInputs; i++) total += dmxInputs[i].numDevs;
+ return total;
+}
+
+/** Return information about the device with id = \a deviceId. This
+ * information is primarily for the #ProcDMXGetInputAttributes()
+ * function, which does not have access to the appropriate data
+ * structure. */
+int dmxGetInputAttributes(int deviceId, DMXInputAttributesPtr attr)
+{
+ int i, j;
+ DMXInputInfo *dmxInput;
+
+ if (deviceId < 0) return -1;
+ for (i = 0; i < dmxNumInputs; i++) {
+ dmxInput = &dmxInputs[i];
+ for (j = 0; j < dmxInput->numDevs; j++) {
+ DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[j];
+ if (deviceId != dmxLocal->pDevice->id) continue;
+ attr->isCore = !!dmxLocal->isCore;
+ attr->sendsCore = !!dmxLocal->sendsCore;
+ attr->detached = !!dmxInput->detached;
+ attr->physicalScreen = -1;
+ attr->physicalId = -1;
+ attr->name = NULL;
+ switch (dmxLocal->extType) {
+ case DMX_LOCAL_TYPE_LOCAL:
+ attr->inputType = 0;
+ break;
+ case DMX_LOCAL_TYPE_CONSOLE:
+ attr->inputType = 1;
+ attr->name = dmxInput->name;
+ attr->physicalId = dmxLocal->deviceId;
+ break;
+ case DMX_LOCAL_TYPE_BACKEND:
+ case DMX_LOCAL_TYPE_COMMON:
+ attr->inputType = 2;
+ attr->physicalScreen = dmxInput->scrnIdx;
+ attr->name = dmxInput->name;
+ attr->physicalId = dmxLocal->deviceId;
+ break;
+ }
+ return 0; /* Success */
+ }
+ }
+ return -1; /* Failure */
+}
+
+/** Reinitialized the cursor boundaries. */
+static void dmxAdjustCursorBoundaries(void)
+{
+ int i;
+
+ dmxReInitOrigins();
+ dmxInitOverlap();
+ dmxComputeWidthHeight(DMX_NO_RECOMPUTE_BOUNDING_BOX);
+ dmxConnectionBlockCallback();
+ for (i = 0; i < dmxNumInputs; i++) {
+ DMXInputInfo *dmxInput = &dmxInputs[i];
+ if (!dmxInput->detached) dmxInputReInit(dmxInput);
+ }
+
+ dmxCheckCursor();
+
+ for (i = 0; i < dmxNumInputs; i++) {
+ DMXInputInfo *dmxInput = &dmxInputs[i];
+ if (!dmxInput->detached) dmxInputLateReInit(dmxInput);
+ }
+}
+
+/** Add an input with the specified attributes. If the input is added,
+ * the physical id is returned in \a deviceId. */
+int dmxAddInput(DMXInputAttributesPtr attr, int *id)
+{
+ int retcode = BadValue;
+
+ if (attr->inputType == 1) /* console */
+ retcode = dmxInputAttachConsole(attr->name, attr->sendsCore, id);
+ else if (attr->inputType == 2) /* backend */
+ retcode = dmxInputAttachBackend(attr->physicalScreen,
+ attr->sendsCore,id);
+
+ if (retcode == Success) {
+ /* Adjust the cursor boundaries */
+ dmxAdjustCursorBoundaries();
+
+ /* Force completion of the changes */
+ dmxSync(NULL, TRUE);
+ }
+
+ return retcode;
+}
+
+/** Remove the input with physical id \a id. */
+int dmxRemoveInput(int id)
+{
+ return dmxInputDetachId(id);
+}
+
+/** Return the value of #dmxNumScreens -- the total number of backend
+ * screens in use (these are logical screens and may be larger than the
+ * number of backend displays). */
+unsigned long dmxGetNumScreens(void)
+{
+ return dmxNumScreens;
+}
+
+/** Make sure that #dmxCreateAndRealizeWindow has been called for \a
+ * pWindow. */
+void dmxForceWindowCreation(WindowPtr pWindow)
+{
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ if (!pWinPriv->window) dmxCreateAndRealizeWindow(pWindow, TRUE);
+}
+
+/** Flush pending syncs for all screens. */
+void dmxFlushPendingSyncs(void)
+{
+ dmxSync(NULL, TRUE);
+}
+
+/** Update DMX's screen resources to match those of the newly moved
+ * and/or resized "root" window. */
+void dmxUpdateScreenResources(ScreenPtr pScreen, int x, int y, int w, int h)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ WindowPtr pRoot = pScreen->root;
+ WindowPtr pChild;
+ Bool anyMarked = FALSE;
+
+ /* Handle special case where width and/or height are zero */
+ if (w == 0 || h == 0) {
+ w = 1;
+ h = 1;
+ }
+
+ /* Change screen size */
+ pScreen->width = w;
+ pScreen->height = h;
+
+ /* Reset the root window's drawable's size */
+ pRoot->drawable.width = w;
+ pRoot->drawable.height = h;
+
+ /* Set the root window's new winSize and borderSize */
+ pRoot->winSize.extents.x1 = 0;
+ pRoot->winSize.extents.y1 = 0;
+ pRoot->winSize.extents.x2 = w;
+ pRoot->winSize.extents.y2 = h;
+
+ pRoot->borderSize.extents.x1 = 0;
+ pRoot->borderSize.extents.y1 = 0;
+ pRoot->borderSize.extents.x2 = w;
+ pRoot->borderSize.extents.y2 = h;
+
+ /* Recompute this screen's mmWidth & mmHeight */
+ pScreen->mmWidth =
+ (w * 254 + dmxScreen->beXDPI * 5) / (dmxScreen->beXDPI * 10);
+ pScreen->mmHeight =
+ (h * 254 + dmxScreen->beYDPI * 5) / (dmxScreen->beYDPI * 10);
+
+ /* Recompute this screen's window's clip rects as follows: */
+ /* 1. Mark all of root's children's windows */
+ for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib)
+ anyMarked |= pScreen->MarkOverlappedWindows(pChild, pChild,
+ (WindowPtr *)NULL);
+
+ /* 2. Set the root window's borderClip */
+ pRoot->borderClip.extents.x1 = 0;
+ pRoot->borderClip.extents.y1 = 0;
+ pRoot->borderClip.extents.x2 = w;
+ pRoot->borderClip.extents.y2 = h;
+
+ /* 3. Set the root window's clipList */
+ if (anyMarked) {
+ /* If any windows have been marked, set the root window's
+ * clipList to be broken since it will be recalculated in
+ * ValidateTree()
+ */
+ RegionBreak(&pRoot->clipList);
+ } else {
+ /* Otherwise, we just set it directly since there are no
+ * windows visible on this screen
+ */
+ pRoot->clipList.extents.x1 = 0;
+ pRoot->clipList.extents.y1 = 0;
+ pRoot->clipList.extents.x2 = w;
+ pRoot->clipList.extents.y2 = h;
+ }
+
+ /* 4. Revalidate all clip rects and generate expose events */
+ if (anyMarked) {
+ pScreen->ValidateTree(pRoot, NULL, VTBroken);
+ pScreen->HandleExposures(pRoot);
+ if (pScreen->PostValidateTree)
+ pScreen->PostValidateTree(pRoot, NULL, VTBroken);
+ }
+}
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+
+/** Change the "screen" window attributes by resizing the actual window
+ * on the back-end display (if necessary). */
+static void dmxConfigureScreenWindow(int idx,
+ int x, int y, int w, int h)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+ ScreenPtr pScreen = screenInfo.screens[idx];
+
+ /* Resize "screen" window */
+ if (dmxScreen->scrnX != x ||
+ dmxScreen->scrnY != y ||
+ dmxScreen->scrnWidth != w ||
+ dmxScreen->scrnHeight != h) {
+ dmxResizeScreenWindow(pScreen, x, y, w, h);
+ }
+
+ /* Change "screen" window values */
+ dmxScreen->scrnX = x;
+ dmxScreen->scrnY = y;
+ dmxScreen->scrnWidth = w;
+ dmxScreen->scrnHeight = h;
+}
+
+/** Change the "root" window position and size by resizing the actual
+ * window on the back-end display (if necessary) and updating all of
+ * DMX's resources by calling #dmxUpdateScreenResources. */
+static void dmxConfigureRootWindow(int idx, int x, int y, int w, int h)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+ WindowPtr pRoot = screenInfo.screens[idx]->root;
+
+ /* NOTE: Either this function or the ones that it calls must handle
+ * the case where w == 0 || h == 0. Currently, the functions that
+ * this one calls handle that case. */
+
+ /* 1. Resize "root" window */
+ if (dmxScreen->rootX != x ||
+ dmxScreen->rootY != y ||
+ dmxScreen->rootWidth != w ||
+ dmxScreen->rootHeight != h) {
+ dmxResizeRootWindow(pRoot, x, y, w, h);
+ }
+
+ /* 2. Update all of the screen's resources associated with this root
+ * window */
+ if (dmxScreen->rootWidth != w ||
+ dmxScreen->rootHeight != h) {
+ dmxUpdateScreenResources(screenInfo.screens[idx], x, y, w, h);
+ }
+
+ /* Change "root" window values */
+ dmxScreen->rootX = x;
+ dmxScreen->rootY = y;
+ dmxScreen->rootWidth = w;
+ dmxScreen->rootHeight = h;
+}
+
+/** Change the "root" window's origin by updating DMX's internal data
+ * structures (dix and Xinerama) to use the new origin and adjust the
+ * positions of windows that overlap this "root" window. */
+static void dmxSetRootWindowOrigin(int idx, int x, int y)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+ ScreenPtr pScreen = screenInfo.screens[idx];
+ WindowPtr pRoot = pScreen->root;
+ WindowPtr pChild;
+ int xoff;
+ int yoff;
+
+ /* Change "root" window's origin */
+ dmxScreen->rootXOrigin = x;
+ dmxScreen->rootYOrigin = y;
+
+ /* Compute offsets here in case <x,y> has been changed above */
+ xoff = x - pScreen->x;
+ yoff = y - pScreen->y;
+
+ /* Adjust the root window's position */
+ pScreen->x = dmxScreen->rootXOrigin;
+ pScreen->y = dmxScreen->rootYOrigin;
+
+ /* Recalculate the Xinerama regions and data structs */
+ XineramaReinitData(pScreen);
+
+ /* Adjust each of the root window's children */
+ if (!idx) ReinitializeRootWindow(screenInfo.screens[0]->root, xoff, yoff);
+ pChild = pRoot->firstChild;
+ while (pChild) {
+ /* Adjust child window's position */
+ pScreen->MoveWindow(pChild,
+ pChild->origin.x - wBorderWidth(pChild) - xoff,
+ pChild->origin.y - wBorderWidth(pChild) - yoff,
+ pChild->nextSib,
+ VTMove);
+
+ /* Note that the call to MoveWindow will eventually call
+ * dmxPositionWindow which will automatically create a
+ * window if it is now exposed on screen (for lazy window
+ * creation optimization) and it will properly set the
+ * offscreen flag.
+ */
+
+ pChild = pChild->nextSib;
+ }
+}
+
+/** Configure the attributes of each "screen" and "root" window. */
+int dmxConfigureScreenWindows(int nscreens,
+ CARD32 *screens,
+ DMXScreenAttributesPtr attribs,
+ int *errorScreen)
+{
+ int i;
+
+ for (i = 0; i < nscreens; i++) {
+ DMXScreenAttributesPtr attr = &attribs[i];
+ int idx = screens[i];
+ DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+
+ if (errorScreen) *errorScreen = i;
+
+ if (!dmxScreen->beDisplay) return DMX_BAD_VALUE;
+
+ /* Check for illegal values */
+ if (idx < 0 || idx >= dmxNumScreens) return BadValue;
+
+ /* The "screen" and "root" windows must have valid sizes */
+ if (attr->screenWindowWidth <= 0 || attr->screenWindowHeight <= 0 ||
+ attr->rootWindowWidth < 0 || attr->rootWindowHeight < 0)
+ return DMX_BAD_VALUE;
+
+ /* The "screen" window must fit entirely within the BE display */
+ if (attr->screenWindowXoffset < 0 ||
+ attr->screenWindowYoffset < 0 ||
+ attr->screenWindowXoffset
+ + attr->screenWindowWidth > (unsigned)dmxScreen->beWidth ||
+ attr->screenWindowYoffset
+ + attr->screenWindowHeight > (unsigned)dmxScreen->beHeight)
+ return DMX_BAD_VALUE;
+
+ /* The "root" window must fit entirely within the "screen" window */
+ if (attr->rootWindowXoffset < 0 ||
+ attr->rootWindowYoffset < 0 ||
+ attr->rootWindowXoffset
+ + attr->rootWindowWidth > attr->screenWindowWidth ||
+ attr->rootWindowYoffset
+ + attr->rootWindowHeight > attr->screenWindowHeight)
+ return DMX_BAD_VALUE;
+
+ /* The "root" window must not expose unaddressable coordinates */
+ if (attr->rootWindowXorigin < 0 ||
+ attr->rootWindowYorigin < 0 ||
+ attr->rootWindowXorigin + attr->rootWindowWidth > 32767 ||
+ attr->rootWindowYorigin + attr->rootWindowHeight > 32767)
+ return DMX_BAD_VALUE;
+
+ /* The "root" window must fit within the global bounding box */
+ if (attr->rootWindowXorigin
+ + attr->rootWindowWidth > (unsigned)dmxGlobalWidth ||
+ attr->rootWindowYorigin
+ + attr->rootWindowHeight > (unsigned)dmxGlobalHeight)
+ return DMX_BAD_VALUE;
+
+ /* FIXME: Handle the rest of the illegal value checking */
+ }
+
+ /* No illegal values found */
+ if (errorScreen) *errorScreen = 0;
+
+ for (i = 0; i < nscreens; i++) {
+ DMXScreenAttributesPtr attr = &attribs[i];
+ int idx = screens[i];
+ DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+
+ dmxLog(dmxInfo, "Changing screen #%d attributes "
+ "from %dx%d+%d+%d %dx%d+%d+%d +%d+%d "
+ "to %dx%d+%d+%d %dx%d+%d+%d +%d+%d\n",
+ idx,
+ dmxScreen->scrnWidth, dmxScreen->scrnHeight,
+ dmxScreen->scrnX, dmxScreen->scrnY,
+ dmxScreen->rootWidth, dmxScreen->rootHeight,
+ dmxScreen->rootX, dmxScreen->rootY,
+ dmxScreen->rootXOrigin, dmxScreen->rootYOrigin,
+ attr->screenWindowWidth, attr->screenWindowHeight,
+ attr->screenWindowXoffset, attr->screenWindowYoffset,
+ attr->rootWindowWidth, attr->rootWindowHeight,
+ attr->rootWindowXoffset, attr->rootWindowYoffset,
+ attr->rootWindowXorigin, attr->rootWindowYorigin);
+
+ /* Configure "screen" window */
+ dmxConfigureScreenWindow(idx,
+ attr->screenWindowXoffset,
+ attr->screenWindowYoffset,
+ attr->screenWindowWidth,
+ attr->screenWindowHeight);
+
+ /* Configure "root" window */
+ dmxConfigureRootWindow(idx,
+ attr->rootWindowXoffset,
+ attr->rootWindowYoffset,
+ attr->rootWindowWidth,
+ attr->rootWindowHeight);
+
+
+ /* Set "root" window's origin */
+ dmxSetRootWindowOrigin(idx,
+ attr->rootWindowXorigin,
+ attr->rootWindowYorigin);
+ }
+
+ /* Adjust the cursor boundaries */
+ dmxAdjustCursorBoundaries();
+
+ /* Force completion of the changes */
+ dmxSync(NULL, TRUE);
+
+ return Success;
+}
+
+/** Configure the attributes of the global desktop. */
+int dmxConfigureDesktop(DMXDesktopAttributesPtr attribs)
+{
+ if (attribs->width <= 0 || attribs->width >= 32767 ||
+ attribs->height <= 0 || attribs->height >= 32767)
+ return DMX_BAD_VALUE;
+
+ /* If the desktop is shrinking, adjust the "root" windows on each
+ * "screen" window to only show the visible desktop. Also, handle
+ * the special case where the desktop shrinks such that the it no
+ * longer overlaps an portion of a "screen" window. */
+ if (attribs->width < dmxGlobalWidth || attribs->height < dmxGlobalHeight) {
+ int i;
+ for (i = 0; i < dmxNumScreens; i++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[i];
+ if (dmxScreen->rootXOrigin
+ + dmxScreen->rootWidth > attribs->width ||
+ dmxScreen->rootYOrigin
+ + dmxScreen->rootHeight > attribs->height) {
+ int w, h;
+ if ((w = attribs->width - dmxScreen->rootXOrigin) < 0) w = 0;
+ if ((h = attribs->height - dmxScreen->rootYOrigin) < 0) h = 0;
+ if (w > dmxScreen->scrnWidth) w = dmxScreen->scrnWidth;
+ if (h > dmxScreen->scrnHeight) h = dmxScreen->scrnHeight;
+ if (w > dmxScreen->rootWidth) w = dmxScreen->rootWidth;
+ if (h > dmxScreen->rootHeight) h = dmxScreen->rootHeight;
+ dmxConfigureRootWindow(i,
+ dmxScreen->rootX,
+ dmxScreen->rootY,
+ w, h);
+ }
+ }
+ }
+
+ /* Set the global width/height */
+ dmxSetWidthHeight(attribs->width, attribs->height);
+
+ /* Handle shift[XY] changes */
+ if (attribs->shiftX || attribs->shiftY) {
+ int i;
+ for (i = 0; i < dmxNumScreens; i++) {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ WindowPtr pChild = pScreen->root->firstChild;
+ while (pChild) {
+ /* Adjust child window's position */
+ pScreen->MoveWindow(pChild,
+ pChild->origin.x - wBorderWidth(pChild)
+ - attribs->shiftX,
+ pChild->origin.y - wBorderWidth(pChild)
+ - attribs->shiftY,
+ pChild->nextSib,
+ VTMove);
+
+ /* Note that the call to MoveWindow will eventually call
+ * dmxPositionWindow which will automatically create a
+ * window if it is now exposed on screen (for lazy
+ * window creation optimization) and it will properly
+ * set the offscreen flag.
+ */
+
+ pChild = pChild->nextSib;
+ }
+ }
+ }
+
+ /* Update connection block, Xinerama, etc. -- these appears to
+ * already be handled in dmxConnectionBlockCallback(), which is
+ * called from dmxAdjustCursorBoundaries() [below]. */
+
+ /* Adjust the cursor boundaries */
+ dmxAdjustCursorBoundaries();
+
+ /* Force completion of the changes */
+ dmxSync(NULL, TRUE);
+
+ return Success;
+}
+#endif
+
+/** Create the scratch GCs per depth. */
+static void dmxBECreateScratchGCs(int scrnNum)
+{
+ ScreenPtr pScreen = screenInfo.screens[scrnNum];
+ GCPtr *ppGC = pScreen->GCperDepth;
+ int i;
+
+ for (i = 0; i <= pScreen->numDepths; i++)
+ dmxBECreateGC(pScreen, ppGC[i]);
+}
+
+#ifdef PANORAMIX
+static Bool FoundPixImage;
+
+/** Search the Xinerama XRT_PIXMAP resources for the pixmap that needs
+ * to have its image restored. When it is found, see if there is
+ * another screen with the same image. If so, copy the pixmap image
+ * from the existing screen to the newly created pixmap. */
+static void dmxBERestorePixmapImage(pointer value, XID id, RESTYPE type,
+ pointer p)
+{
+ if ((type & TypeMask) == (XRT_PIXMAP & TypeMask)) {
+ PixmapPtr pDst = (PixmapPtr)p;
+ int idx = pDst->drawable.pScreen->myNum;
+ PanoramiXRes *pXinPix = (PanoramiXRes *)value;
+ PixmapPtr pPix;
+ int i;
+
+ dixLookupResourceByType((pointer*) &pPix, pXinPix->info[idx].id,
+ RT_PIXMAP, NullClient, DixUnknownAccess);
+ if (pPix != pDst) return; /* Not a match.... Next! */
+
+ FOR_NSCREENS(i) {
+ PixmapPtr pSrc;
+ dmxPixPrivPtr pSrcPriv = NULL;
+
+ if (i == idx) continue; /* Self replication is bad */
+
+ dixLookupResourceByType((pointer*) &pSrc, pXinPix->info[i].id,
+ RT_PIXMAP, NullClient, DixUnknownAccess);
+ pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
+ if (pSrcPriv->pixmap) {
+ DMXScreenInfo *dmxSrcScreen = &dmxScreens[i];
+ DMXScreenInfo *dmxDstScreen = &dmxScreens[idx];
+ dmxPixPrivPtr pDstPriv = DMX_GET_PIXMAP_PRIV(pDst);
+ XImage *img;
+ int j;
+ XlibGC gc = NULL;
+
+ /* This should never happen, but just in case.... */
+ if (pSrc->drawable.width != pDst->drawable.width ||
+ pSrc->drawable.height != pDst->drawable.height)
+ return;
+
+ /* Copy from src pixmap to dst pixmap */
+ img = XGetImage(dmxSrcScreen->beDisplay,
+ pSrcPriv->pixmap,
+ 0, 0,
+ pSrc->drawable.width, pSrc->drawable.height,
+ -1,
+ ZPixmap);
+
+ for (j = 0; j < dmxDstScreen->beNumPixmapFormats; j++) {
+ if (dmxDstScreen->bePixmapFormats[j].depth == img->depth) {
+ unsigned long m;
+ XGCValues v;
+
+ m = GCFunction | GCPlaneMask | GCClipMask;
+ v.function = GXcopy;
+ v.plane_mask = AllPlanes;
+ v.clip_mask = None;
+
+ gc = XCreateGC(dmxDstScreen->beDisplay,
+ dmxDstScreen->scrnDefDrawables[j],
+ m, &v);
+ break;
+ }
+ }
+
+ if (gc) {
+ XPutImage(dmxDstScreen->beDisplay,
+ pDstPriv->pixmap,
+ gc, img, 0, 0, 0, 0,
+ pDst->drawable.width, pDst->drawable.height);
+ XFreeGC(dmxDstScreen->beDisplay, gc);
+ FoundPixImage = True;
+ } else {
+ dmxLog(dmxWarning, "Could not create GC\n");
+ }
+
+ XDestroyImage(img);
+ return;
+ }
+ }
+ }
+}
+#endif
+
+/** Restore the pixmap image either from another screen or from an image
+ * that was saved when the screen was previously detached. */
+static void dmxBERestorePixmap(PixmapPtr pPixmap)
+{
+#ifdef PANORAMIX
+ int i;
+
+ /* If Xinerama is not active, there's nothing we can do (see comment
+ * in #else below for more info). */
+ if (noPanoramiXExtension) {
+ dmxLog(dmxWarning, "Cannot restore pixmap image\n");
+ return;
+ }
+
+ FoundPixImage = False;
+ for (i = currentMaxClients; --i >= 0; )
+ if (clients[i])
+ FindAllClientResources(clients[i], dmxBERestorePixmapImage,
+ (pointer)pPixmap);
+
+ /* No corresponding pixmap image was found on other screens, so we
+ * need to copy it from the saved image when the screen was detached
+ * (if available). */
+ if (!FoundPixImage) {
+ dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
+
+ if (pPixPriv->detachedImage) {
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ XlibGC gc = NULL;
+
+ for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) {
+ if (dmxScreen->bePixmapFormats[i].depth ==
+ pPixPriv->detachedImage->depth) {
+ unsigned long m;
+ XGCValues v;
+
+ m = GCFunction | GCPlaneMask | GCClipMask;
+ v.function = GXcopy;
+ v.plane_mask = AllPlanes;
+ v.clip_mask = None;
+
+ gc = XCreateGC(dmxScreen->beDisplay,
+ dmxScreen->scrnDefDrawables[i],
+ m, &v);
+ break;
+ }
+ }
+
+ if (gc) {
+ XPutImage(dmxScreen->beDisplay,
+ pPixPriv->pixmap,
+ gc,
+ pPixPriv->detachedImage,
+ 0, 0, 0, 0,
+ pPixmap->drawable.width, pPixmap->drawable.height);
+ XFreeGC(dmxScreen->beDisplay, gc);
+ } else {
+ dmxLog(dmxWarning, "Cannot restore pixmap image\n");
+ }
+
+ XDestroyImage(pPixPriv->detachedImage);
+ pPixPriv->detachedImage = NULL;
+ } else {
+ dmxLog(dmxWarning, "Cannot restore pixmap image\n");
+ }
+ }
+#else
+ /* If Xinerama is not enabled, then there is no other copy of the
+ * pixmap image that we can restore. Saving all pixmap data is not
+ * a feasible option since there is no mechanism for updating pixmap
+ * data when a screen is detached, which means that the data that
+ * was previously saved would most likely be out of date. */
+ dmxLog(dmxWarning, "Cannot restore pixmap image\n");
+ return;
+#endif
+}
+
+/** Create resources on the back-end server. This function is called
+ * from #dmxAttachScreen() via the dix layer's FindAllResources
+ * function. It walks all resources, compares them to the screen
+ * number passed in as \a n and calls the appropriate DMX function to
+ * create the associated resource on the back-end server. */
+static void dmxBECreateResources(pointer value, XID id, RESTYPE type,
+ pointer n)
+{
+ int scrnNum = (uintptr_t)n;
+ ScreenPtr pScreen = screenInfo.screens[scrnNum];
+
+ if ((type & TypeMask) == (RT_WINDOW & TypeMask)) {
+ /* Window resources are created below in dmxBECreateWindowTree */
+ } else if ((type & TypeMask) == (RT_PIXMAP & TypeMask)) {
+ PixmapPtr pPix = value;
+ if (pPix->drawable.pScreen->myNum == scrnNum) {
+ dmxBECreatePixmap(pPix);
+ dmxBERestorePixmap(pPix);
+ }
+ } else if ((type & TypeMask) == (RT_GC & TypeMask)) {
+ GCPtr pGC = value;
+ if (pGC->pScreen->myNum == scrnNum) {
+ /* Create the GC on the back-end server */
+ dmxBECreateGC(pScreen, pGC);
+ /* Create any pixmaps associated with this GC */
+ if (!pGC->tileIsPixel) {
+ dmxBECreatePixmap(pGC->tile.pixmap);
+ dmxBERestorePixmap(pGC->tile.pixmap);
+ }
+ if (pGC->stipple != pScreen->PixmapPerDepth[0]) {
+ dmxBECreatePixmap(pGC->stipple);
+ dmxBERestorePixmap(pGC->stipple);
+ }
+ if (pGC->font != defaultFont) {
+ (void)dmxBELoadFont(pScreen, pGC->font);
+ }
+ /* Update the GC on the back-end server */
+ dmxChangeGC(pGC, -1L);
+ }
+ } else if ((type & TypeMask) == (RT_FONT & TypeMask)) {
+ (void)dmxBELoadFont(pScreen, (FontPtr)value);
+ } else if ((type & TypeMask) == (RT_CURSOR & TypeMask)) {
+ dmxBECreateCursor(pScreen, (CursorPtr)value);
+ } else if ((type & TypeMask) == (RT_COLORMAP & TypeMask)) {
+ ColormapPtr pCmap = value;
+ if (pCmap->pScreen->myNum == scrnNum)
+ (void)dmxBECreateColormap((ColormapPtr)value);
+#if 0
+ /* TODO: Recreate Picture and GlyphSet resources */
+ } else if ((type & TypeMask) == (PictureType & TypeMask)) {
+ /* Picture resources are created when windows are created */
+ } else if ((type & TypeMask) == (GlyphSetType & TypeMask)) {
+ dmxBEFreeGlyphSet(pScreen, (GlyphSetPtr)value);
+#endif
+ } else {
+ /* Other resource types??? */
+ }
+}
+
+/** Create window hierachy on back-end server. The window tree is
+ * created in a special order (bottom most subwindow first) so that the
+ * #dmxCreateNonRootWindow() function does not need to recursively call
+ * itself to create each window's parents. This is required so that we
+ * have the opportunity to create each window's border and background
+ * pixmaps (where appropriate) before the window is created. */
+static void dmxBECreateWindowTree(int idx)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+ WindowPtr pRoot = screenInfo.screens[idx]->root;
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pRoot);
+ WindowPtr pWin;
+
+ /* Create the pixmaps associated with the root window */
+ if (!pRoot->borderIsPixel) {
+ dmxBECreatePixmap(pRoot->border.pixmap);
+ dmxBERestorePixmap(pRoot->border.pixmap);
+ }
+ if (pRoot->backgroundState == BackgroundPixmap) {
+ dmxBECreatePixmap(pRoot->background.pixmap);
+ dmxBERestorePixmap(pRoot->background.pixmap);
+ }
+
+ /* Create root window first */
+ dmxScreen->rootWin = pWinPriv->window = dmxCreateRootWindow(pRoot);
+ XMapWindow(dmxScreen->beDisplay, dmxScreen->rootWin);
+
+ pWin = pRoot->lastChild;
+ while (pWin) {
+ pWinPriv = DMX_GET_WINDOW_PRIV(pWin);
+
+ /* Create the pixmaps regardless of whether or not the
+ * window is created or not due to lazy window creation.
+ */
+ if (!pWin->borderIsPixel) {
+ dmxBECreatePixmap(pWin->border.pixmap);
+ dmxBERestorePixmap(pWin->border.pixmap);
+ }
+ if (pWin->backgroundState == BackgroundPixmap) {
+ dmxBECreatePixmap(pWin->background.pixmap);
+ dmxBERestorePixmap(pWin->background.pixmap);
+ }
+
+ /* Reset the window attributes */
+ dmxGetDefaultWindowAttributes(pWin,
+ &pWinPriv->cmap,
+ &pWinPriv->visual);
+
+ /* Create the window */
+ if (pWinPriv->mapped && !pWinPriv->offscreen)
+ dmxCreateAndRealizeWindow(pWin, TRUE);
+
+ /* Next, create the bottom-most child */
+ if (pWin->lastChild) {
+ pWin = pWin->lastChild;
+ continue;
+ }
+
+ /* If the window has no children, move on to the next higher window */
+ while (!pWin->prevSib && (pWin != pRoot))
+ pWin = pWin->parent;
+
+ if (pWin->prevSib) {
+ pWin = pWin->prevSib;
+ continue;
+ }
+
+ /* When we reach the root window, we are finished */
+ if (pWin == pRoot)
+ break;
+ }
+}
+
+/* Refresh screen by generating exposure events for all windows */
+static void dmxForceExposures(int idx)
+{
+ ScreenPtr pScreen = screenInfo.screens[idx];
+ WindowPtr pRoot = pScreen->root;
+ Bool anyMarked = FALSE;
+ WindowPtr pChild;
+
+ for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib)
+ anyMarked |= pScreen->MarkOverlappedWindows(pChild, pChild,
+ (WindowPtr *)NULL);
+ if (anyMarked) {
+ /* If any windows have been marked, set the root window's
+ * clipList to be broken since it will be recalculated in
+ * ValidateTree()
+ */
+ RegionBreak(&pRoot->clipList);
+ pScreen->ValidateTree(pRoot, NULL, VTBroken);
+ pScreen->HandleExposures(pRoot);
+ if (pScreen->PostValidateTree)
+ pScreen->PostValidateTree(pRoot, NULL, VTBroken);
+ }
+}
+
+/** Compare the new and old screens to see if they are compatible. */
+static Bool dmxCompareScreens(DMXScreenInfo *new, DMXScreenInfo *old)
+{
+ int i;
+
+ if (new->beWidth != old->beWidth) return FALSE;
+ if (new->beHeight != old->beHeight) return FALSE;
+ if (new->beDepth != old->beDepth) return FALSE;
+ if (new->beBPP != old->beBPP) return FALSE;
+
+ if (new->beNumDepths != old->beNumDepths) return FALSE;
+ for (i = 0; i < old->beNumDepths; i++)
+ if (new->beDepths[i] != old->beDepths[i]) return FALSE;
+
+ if (new->beNumPixmapFormats != old->beNumPixmapFormats) return FALSE;
+ for (i = 0; i < old->beNumPixmapFormats; i++) {
+ if (new->bePixmapFormats[i].depth !=
+ old->bePixmapFormats[i].depth) return FALSE;
+ if (new->bePixmapFormats[i].bits_per_pixel !=
+ old->bePixmapFormats[i].bits_per_pixel) return FALSE;
+ if (new->bePixmapFormats[i].scanline_pad !=
+ old->bePixmapFormats[i].scanline_pad) return FALSE;
+ }
+
+ if (new->beNumVisuals != old->beNumVisuals) return FALSE;
+ for (i = 0; i < old->beNumVisuals; i++) {
+ if (new->beVisuals[i].visualid !=
+ old->beVisuals[i].visualid) return FALSE;
+ if (new->beVisuals[i].screen !=
+ old->beVisuals[i].screen) return FALSE;
+ if (new->beVisuals[i].depth !=
+ old->beVisuals[i].depth) return FALSE;
+ if (new->beVisuals[i].class !=
+ old->beVisuals[i].class) return FALSE;
+ if (new->beVisuals[i].red_mask !=
+ old->beVisuals[i].red_mask) return FALSE;
+ if (new->beVisuals[i].green_mask !=
+ old->beVisuals[i].green_mask) return FALSE;
+ if (new->beVisuals[i].blue_mask !=
+ old->beVisuals[i].blue_mask) return FALSE;
+ if (new->beVisuals[i].colormap_size !=
+ old->beVisuals[i].colormap_size) return FALSE;
+ if (new->beVisuals[i].bits_per_rgb !=
+ old->beVisuals[i].bits_per_rgb) return FALSE;
+ }
+
+ if (new->beDefVisualIndex != old->beDefVisualIndex) return FALSE;
+
+ return TRUE;
+}
+
+/** Restore Render's picture */
+static void dmxBERestoreRenderPict(pointer value, XID id, pointer n)
+{
+ PicturePtr pPicture = value; /* The picture */
+ DrawablePtr pDraw = pPicture->pDrawable; /* The picture's drawable */
+ int scrnNum = (uintptr_t)n;
+
+ if (pDraw->pScreen->myNum != scrnNum) {
+ /* Picture not on the screen we are restoring*/
+ return;
+ }
+
+ if (pDraw->type == DRAWABLE_PIXMAP) {
+ PixmapPtr pPixmap = (PixmapPtr)pDraw;
+
+ /* Create and restore the pixmap drawable */
+ dmxBECreatePixmap(pPixmap);
+ dmxBERestorePixmap(pPixmap);
+ }
+
+ dmxBECreatePicture(pPicture);
+}
+
+/** Restore Render's glyphs */
+static void dmxBERestoreRenderGlyph(pointer value, XID id, pointer n)
+{
+ GlyphSetPtr glyphSet = value;
+ int scrnNum = (uintptr_t)n;
+ dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+ DMXScreenInfo *dmxScreen = &dmxScreens[scrnNum];
+ GlyphRefPtr table;
+ char *images;
+ Glyph *gids;
+ XGlyphInfo *glyphs;
+ char *pos;
+ int beret;
+ int len_images = 0;
+ int i;
+ int ctr;
+
+ if (glyphPriv->glyphSets[scrnNum]) {
+ /* Only restore glyphs on the screen we are attaching */
+ return;
+ }
+
+ /* First we must create the glyph set on the backend. */
+ if ((beret = dmxBECreateGlyphSet(scrnNum, glyphSet)) != Success) {
+ dmxLog(dmxWarning,
+ "\tdmxBERestoreRenderGlyph failed to create glyphset!\n");
+ return;
+ }
+
+ /* Now for the complex part, restore the glyph data */
+ table = glyphSet->hash.table;
+
+ /* We need to know how much memory to allocate for this part */
+ for (i = 0; i < glyphSet->hash.hashSet->size; i++) {
+ GlyphRefPtr gr = &table[i];
+ GlyphPtr gl = gr->glyph;
+
+ if (!gl || gl == DeletedGlyph) continue;
+ len_images += gl->size - sizeof(gl->info);
+ }
+
+ /* Now allocate the memory we need */
+ images = calloc(len_images, sizeof(char));
+ gids = malloc(glyphSet->hash.tableEntries*sizeof(Glyph));
+ glyphs = malloc(glyphSet->hash.tableEntries*sizeof(XGlyphInfo));
+
+ pos = images;
+ ctr = 0;
+
+ /* Fill the allocated memory with the proper data */
+ for (i = 0; i < glyphSet->hash.hashSet->size; i++) {
+ GlyphRefPtr gr = &table[i];
+ GlyphPtr gl = gr->glyph;
+
+ if (!gl || gl == DeletedGlyph) continue;
+
+ /* First lets put the data into gids */
+ gids[ctr] = gr->signature;
+
+ /* Next do the glyphs data structures */
+ glyphs[ctr].width = gl->info.width;
+ glyphs[ctr].height = gl->info.height;
+ glyphs[ctr].x = gl->info.x;
+ glyphs[ctr].y = gl->info.y;
+ glyphs[ctr].xOff = gl->info.xOff;
+ glyphs[ctr].yOff = gl->info.yOff;
+
+ /* Copy the images from the DIX's data into the buffer */
+ memcpy(pos, gl+1, gl->size - sizeof(gl->info));
+ pos += gl->size - sizeof(gl->info);
+ ctr++;
+ }
+
+ /* Now restore the glyph data */
+ XRenderAddGlyphs(dmxScreen->beDisplay, glyphPriv->glyphSets[scrnNum],
+ gids,glyphs, glyphSet->hash.tableEntries, images,
+ len_images);
+
+ /* Clean up */
+ free(images);
+ free(gids);
+ free(glyphs);
+}
+
+/** Reattach previously detached back-end screen. */
+int dmxAttachScreen(int idx, DMXScreenAttributesPtr attr)
+{
+ ScreenPtr pScreen;
+ DMXScreenInfo *dmxScreen;
+ CARD32 scrnNum = idx;
+ DMXScreenInfo oldDMXScreen;
+ int i;
+
+ /* Return failure if dynamic addition/removal of screens is disabled */
+ if (!dmxAddRemoveScreens) {
+ dmxLog(dmxWarning,
+ "Attempting to add a screen, but the AddRemoveScreen\n");
+ dmxLog(dmxWarning,
+ "extension has not been enabled. To enable this extension\n");
+ dmxLog(dmxWarning,
+ "add the \"-addremovescreens\" option either to the command\n");
+ dmxLog(dmxWarning,
+ "line or in the configuration file.\n");
+ return 1;
+ }
+
+ /* Cannot add a screen that does not exist */
+ if (idx < 0 || idx >= dmxNumScreens) return 1;
+ pScreen = screenInfo.screens[idx];
+ dmxScreen = &dmxScreens[idx];
+
+ /* Cannot attach to a screen that is already opened */
+ if (dmxScreen->beDisplay) {
+ dmxLog(dmxWarning,
+ "Attempting to add screen #%d but a screen already exists\n",
+ idx);
+ return 1;
+ }
+
+ dmxLogOutput(dmxScreen, "Attaching screen #%d\n", idx);
+
+ /* Save old info */
+ oldDMXScreen = *dmxScreen;
+
+ /* Copy the name to the new screen */
+ dmxScreen->name = strdup(attr->displayName);
+
+ /* Open display and get all of the screen info */
+ if (!dmxOpenDisplay(dmxScreen)) {
+ dmxLog(dmxWarning,
+ "dmxOpenDisplay: Unable to open display %s\n",
+ dmxScreen->name);
+
+ /* Restore the old screen */
+ *dmxScreen = oldDMXScreen;
+ return 1;
+ }
+
+ dmxSetErrorHandler(dmxScreen);
+ dmxCheckForWM(dmxScreen);
+ dmxGetScreenAttribs(dmxScreen);
+
+ if (!dmxGetVisualInfo(dmxScreen)) {
+ dmxLog(dmxWarning, "dmxGetVisualInfo: No matching visuals found\n");
+ XFree(dmxScreen->beVisuals);
+ XCloseDisplay(dmxScreen->beDisplay);
+
+ /* Restore the old screen */
+ *dmxScreen = oldDMXScreen;
+ return 1;
+ }
+
+ dmxGetColormaps(dmxScreen);
+ dmxGetPixmapFormats(dmxScreen);
+
+ /* Verify that the screen to be added has the same info as the
+ * previously added screen. */
+ if (!dmxCompareScreens(dmxScreen, &oldDMXScreen)) {
+ dmxLog(dmxWarning,
+ "New screen data (%s) does not match previously\n",
+ dmxScreen->name);
+ dmxLog(dmxWarning,
+ "attached screen data (%s)\n",
+ oldDMXScreen.name);
+ dmxLog(dmxWarning,
+ "All data must match in order to attach to screen #%d\n",
+ idx);
+ XFree(dmxScreen->beVisuals);
+ XFree(dmxScreen->beDepths);
+ XFree(dmxScreen->bePixmapFormats);
+ XCloseDisplay(dmxScreen->beDisplay);
+
+ /* Restore the old screen */
+ *dmxScreen = oldDMXScreen;
+ return 1;
+ }
+
+ /* Initialize the BE screen resources */
+ dmxBEScreenInit(idx, screenInfo.screens[idx]);
+
+ /* TODO: Handle GLX visual initialization. GLXProxy needs to be
+ * updated to handle dynamic addition/removal of screens. */
+
+ /* Create default stipple */
+ dmxBECreatePixmap(pScreen->PixmapPerDepth[0]);
+ dmxBERestorePixmap(pScreen->PixmapPerDepth[0]);
+
+ /* Create the scratch GCs */
+ dmxBECreateScratchGCs(idx);
+
+ /* Create the default font */
+ (void)dmxBELoadFont(pScreen, defaultFont);
+
+ /* Create all resources that don't depend on windows */
+ for (i = currentMaxClients; --i >= 0; )
+ if (clients[i])
+ FindAllClientResources(clients[i], dmxBECreateResources,
+ (pointer)(uintptr_t)idx);
+
+ /* Create window hierarchy (top down) */
+ dmxBECreateWindowTree(idx);
+
+ /* Restore the picture state for RENDER */
+ for (i = currentMaxClients; --i >= 0; )
+ if (clients[i])
+ FindClientResourcesByType(clients[i],PictureType,
+ dmxBERestoreRenderPict,
+ (pointer)(uintptr_t)idx);
+
+ /* Restore the glyph state for RENDER */
+ for (i = currentMaxClients; --i >= 0; )
+ if (clients[i])
+ FindClientResourcesByType(clients[i],GlyphSetType,
+ dmxBERestoreRenderGlyph,
+ (pointer)(uintptr_t)idx);
+
+ /* Refresh screen by generating exposure events for all windows */
+ dmxForceExposures(idx);
+
+ dmxSync(&dmxScreens[idx], TRUE);
+
+ /* We used these to compare the old and new screens. They are no
+ * longer needed since we have a newly attached screen, so we can
+ * now free the old screen's resources. */
+ XFree(oldDMXScreen.beVisuals);
+ XFree(oldDMXScreen.beDepths);
+ XFree(oldDMXScreen.bePixmapFormats);
+ /* TODO: should oldDMXScreen.name be freed?? */
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ return dmxConfigureScreenWindows(1, &scrnNum, attr, NULL);
+ else
+#endif
+ return 0; /* Success */
+}
+
+/*
+ * Resources that may have state on the BE server and need to be freed:
+ *
+ * RT_NONE
+ * RT_WINDOW
+ * RT_PIXMAP
+ * RT_GC
+ * RT_FONT
+ * RT_CURSOR
+ * RT_COLORMAP
+ * RT_CMAPENTRY
+ * RT_OTHERCLIENT
+ * RT_PASSIVEGRAB
+ * XRT_WINDOW
+ * XRT_PIXMAP
+ * XRT_GC
+ * XRT_COLORMAP
+ * XRT_PICTURE
+ * PictureType
+ * PictFormatType
+ * GlyphSetType
+ * ClientType
+ * EventType
+ * RT_INPUTCLIENT
+ * XETrapType
+ * RTCounter
+ * RTAwait
+ * RTAlarmClient
+ * RT_XKBCLIENT
+ * RTContext
+ * TagResType
+ * StalledResType
+ * SecurityAuthorizationResType
+ * RTEventClient
+ * __glXContextRes
+ * __glXClientRes
+ * __glXPixmapRes
+ * __glXWindowRes
+ * __glXPbufferRes
+ */
+
+#ifdef PANORAMIX
+/** Search the Xinerama XRT_PIXMAP resources for the pixmap that needs
+ * to have its image saved. */
+static void dmxBEFindPixmapImage(pointer value, XID id, RESTYPE type,
+ pointer p)
+{
+ if ((type & TypeMask) == (XRT_PIXMAP & TypeMask)) {
+ PixmapPtr pDst = (PixmapPtr)p;
+ int idx = pDst->drawable.pScreen->myNum;
+ PanoramiXRes *pXinPix = (PanoramiXRes *)value;
+ PixmapPtr pPix;
+ int i;
+
+ dixLookupResourceByType((pointer*) &pPix, pXinPix->info[idx].id,
+ RT_PIXMAP, NullClient, DixUnknownAccess);
+ if (pPix != pDst) return; /* Not a match.... Next! */
+
+ FOR_NSCREENS(i) {
+ PixmapPtr pSrc;
+ dmxPixPrivPtr pSrcPriv = NULL;
+
+ if (i == idx) continue; /* Self replication is bad */
+
+ dixLookupResourceByType((pointer*) &pSrc, pXinPix->info[i].id,
+ RT_PIXMAP, NullClient, DixUnknownAccess);
+ pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
+ if (pSrcPriv->pixmap) {
+ FoundPixImage = True;
+ return;
+ }
+ }
+ }
+}
+#endif
+
+/** Save the pixmap image only when there is not another screen with
+ * that pixmap from which the image can be read when the screen is
+ * reattached. To do this, we first try to find a pixmap on another
+ * screen corresponding to the one we are trying to save. If we find
+ * one, then we do not need to save the image data since during
+ * reattachment, the image data can be read from that other pixmap.
+ * However, if we do not find one, then we need to save the image data.
+ * The common case for these are for the default stipple and root
+ * tile. */
+static void dmxBESavePixmap(PixmapPtr pPixmap)
+{
+#ifdef PANORAMIX
+ int i;
+
+ /* If Xinerama is not active, there's nothing we can do (see comment
+ * in #else below for more info). */
+ if (noPanoramiXExtension) return;
+
+ FoundPixImage = False;
+ for (i = currentMaxClients; --i >= 0; )
+ if (clients[i])
+ FindAllClientResources(clients[i], dmxBEFindPixmapImage,
+ (pointer)pPixmap);
+
+ /* Save the image only if there is no other screens that have a
+ * pixmap that corresponds to the one we are trying to save. */
+ if (!FoundPixImage) {
+ dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
+
+ if (!pPixPriv->detachedImage) {
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+
+ pPixPriv->detachedImage = XGetImage(dmxScreen->beDisplay,
+ pPixPriv->pixmap,
+ 0, 0,
+ pPixmap->drawable.width,
+ pPixmap->drawable.height,
+ -1,
+ ZPixmap);
+ if (!pPixPriv->detachedImage)
+ dmxLog(dmxWarning, "Cannot save pixmap image\n");
+ }
+ }
+#else
+ /* NOTE: The only time there is a pixmap on another screen that
+ * corresponds to the one we are trying to save is when Xinerama is
+ * active. Otherwise, the pixmap image data is only stored on a
+ * single screen, which means that once it is detached, that data is
+ * lost. We could save the data here, but then that would require
+ * us to implement the ability for Xdmx to keep the pixmap up to
+ * date while the screen is detached, which is beyond the scope of
+ * the current project. */
+ return;
+#endif
+}
+
+/** Destroy resources on the back-end server. This function is called
+ * from #dmxDetachScreen() via the dix layer's FindAllResources
+ * function. It walks all resources, compares them to the screen
+ * number passed in as \a n and calls the appropriate DMX function to
+ * free the associated resource on the back-end server. */
+static void dmxBEDestroyResources(pointer value, XID id, RESTYPE type,
+ pointer n)
+{
+ int scrnNum = (uintptr_t)n;
+ ScreenPtr pScreen = screenInfo.screens[scrnNum];
+
+ if ((type & TypeMask) == (RT_WINDOW & TypeMask)) {
+ /* Window resources are destroyed below in dmxBEDestroyWindowTree */
+ } else if ((type & TypeMask) == (RT_PIXMAP & TypeMask)) {
+ PixmapPtr pPix = value;
+ if (pPix->drawable.pScreen->myNum == scrnNum) {
+ dmxBESavePixmap(pPix);
+ dmxBEFreePixmap(pPix);
+ }
+ } else if ((type & TypeMask) == (RT_GC & TypeMask)) {
+ GCPtr pGC = value;
+ if (pGC->pScreen->myNum == scrnNum)
+ dmxBEFreeGC(pGC);
+ } else if ((type & TypeMask) == (RT_FONT & TypeMask)) {
+ dmxBEFreeFont(pScreen, (FontPtr)value);
+ } else if ((type & TypeMask) == (RT_CURSOR & TypeMask)) {
+ dmxBEFreeCursor(pScreen, (CursorPtr)value);
+ } else if ((type & TypeMask) == (RT_COLORMAP & TypeMask)) {
+ ColormapPtr pCmap = value;
+ if (pCmap->pScreen->myNum == scrnNum)
+ dmxBEFreeColormap((ColormapPtr)value);
+ } else if ((type & TypeMask) == (PictureType & TypeMask)) {
+ PicturePtr pPict = value;
+ if (pPict->pDrawable->pScreen->myNum == scrnNum) {
+ /* Free the pixmaps on the backend if needed */
+ if (pPict->pDrawable->type == DRAWABLE_PIXMAP) {
+ PixmapPtr pPixmap = (PixmapPtr)(pPict->pDrawable);
+ dmxBESavePixmap(pPixmap);
+ dmxBEFreePixmap(pPixmap);
+ }
+ dmxBEFreePicture((PicturePtr)value);
+ }
+ } else if ((type & TypeMask) == (GlyphSetType & TypeMask)) {
+ dmxBEFreeGlyphSet(pScreen, (GlyphSetPtr)value);
+ } else {
+ /* Other resource types??? */
+ }
+}
+
+/** Destroy the scratch GCs that are created per depth. */
+static void dmxBEDestroyScratchGCs(int scrnNum)
+{
+ ScreenPtr pScreen = screenInfo.screens[scrnNum];
+ GCPtr *ppGC = pScreen->GCperDepth;
+ int i;
+
+ for (i = 0; i <= pScreen->numDepths; i++)
+ dmxBEFreeGC(ppGC[i]);
+}
+
+/** Destroy window hierachy on back-end server. To ensure that all
+ * XDestroyWindow() calls succeed, they must be performed in a bottom
+ * up order so that windows are not destroyed before their children.
+ * XDestroyWindow(), which is called from #dmxBEDestroyWindow(), will
+ * destroy a window as well as all of it's children. */
+static void dmxBEDestroyWindowTree(int idx)
+{
+ WindowPtr pWin = screenInfo.screens[idx]->root;
+ WindowPtr pChild = pWin;
+
+ while (1) {
+ if (pChild->firstChild) {
+ pChild = pChild->firstChild;
+ continue;
+ }
+
+ /* Destroy the window */
+ dmxBEDestroyWindow(pChild);
+
+ /* Make sure we destroy the window's border and background
+ * pixmaps if they exist */
+ if (!pChild->borderIsPixel) {
+ dmxBESavePixmap(pChild->border.pixmap);
+ dmxBEFreePixmap(pChild->border.pixmap);
+ }
+ if (pChild->backgroundState == BackgroundPixmap) {
+ dmxBESavePixmap(pChild->background.pixmap);
+ dmxBEFreePixmap(pChild->background.pixmap);
+ }
+
+ while (!pChild->nextSib && (pChild != pWin)) {
+ pChild = pChild->parent;
+ dmxBEDestroyWindow(pChild);
+ if (!pChild->borderIsPixel) {
+ dmxBESavePixmap(pChild->border.pixmap);
+ dmxBEFreePixmap(pChild->border.pixmap);
+ }
+ if (pChild->backgroundState == BackgroundPixmap) {
+ dmxBESavePixmap(pChild->background.pixmap);
+ dmxBEFreePixmap(pChild->background.pixmap);
+ }
+ }
+
+ if (pChild == pWin)
+ break;
+
+ pChild = pChild->nextSib;
+ }
+}
+
+/** Detach back-end screen. */
+int dmxDetachScreen(int idx)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+ int i;
+
+ /* Return failure if dynamic addition/removal of screens is disabled */
+ if (!dmxAddRemoveScreens) {
+ dmxLog(dmxWarning,
+ "Attempting to remove a screen, but the AddRemoveScreen\n");
+ dmxLog(dmxWarning,
+ "extension has not been enabled. To enable this extension\n");
+ dmxLog(dmxWarning,
+ "add the \"-addremovescreens\" option either to the command\n");
+ dmxLog(dmxWarning,
+ "line or in the configuration file.\n");
+ return 1;
+ }
+
+ /* Cannot remove a screen that does not exist */
+ if (idx < 0 || idx >= dmxNumScreens) return 1;
+
+ /* Cannot detach from a screen that is not opened */
+ if (!dmxScreen->beDisplay) {
+ dmxLog(dmxWarning,
+ "Attempting to remove screen #%d but it has not been opened\n",
+ idx);
+ return 1;
+ }
+
+ dmxLogOutput(dmxScreen, "Detaching screen #%d\n", idx);
+
+ /* Detach input */
+ dmxInputDetachAll(dmxScreen);
+
+ /* Save all relevant state (TODO) */
+
+ /* Free all non-window resources related to this screen */
+ for (i = currentMaxClients; --i >= 0; )
+ if (clients[i])
+ FindAllClientResources(clients[i], dmxBEDestroyResources,
+ (pointer)(uintptr_t)idx);
+
+ /* Free scratch GCs */
+ dmxBEDestroyScratchGCs(idx);
+
+ /* Free window resources related to this screen */
+ dmxBEDestroyWindowTree(idx);
+
+ /* Free default stipple */
+ dmxBESavePixmap(screenInfo.screens[idx]->PixmapPerDepth[0]);
+ dmxBEFreePixmap(screenInfo.screens[idx]->PixmapPerDepth[0]);
+
+ /* Free the remaining screen resources and close the screen */
+ dmxBECloseScreen(screenInfo.screens[idx]);
+
+ /* Adjust the cursor boundaries (paints detached console window) */
+ dmxAdjustCursorBoundaries();
+
+ return 0; /* Success */
+}
diff --git a/xorg-server/hw/dmx/dmxgcops.c b/xorg-server/hw/dmx/dmxgcops.c
index 500e2cdf1..07165f731 100644
--- a/xorg-server/hw/dmx/dmxgcops.c
+++ b/xorg-server/hw/dmx/dmxgcops.c
@@ -1,605 +1,605 @@
-/*
- * 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:
- * Kevin E. Martin <kem@redhat.com>
- *
- */
-
-/** \file
- * This file provides support for GC operations. */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxsync.h"
-#include "dmxgc.h"
-#include "dmxgcops.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-
-#include "mi.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "dixfontstr.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-#define DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw) \
-do { \
- if ((_pDraw)->type == DRAWABLE_WINDOW) { \
- dmxWinPrivPtr pWinPriv = \
- DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw)); \
- (_draw) = (Drawable)pWinPriv->window; \
- } else { \
- dmxPixPrivPtr pPixPriv = \
- DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw)); \
- (_draw) = (Drawable)pPixPriv->pixmap; \
- } \
-} while (0)
-
-#define DMX_GCOPS_OFFSCREEN(_pDraw) \
- (!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay || \
- (dmxOffScreenOpt && \
- (_pDraw)->type == DRAWABLE_WINDOW && \
- (DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen || \
- !DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window)))
-
-/** Fill spans -- this function should never be called. */
-void dmxFillSpans(DrawablePtr pDrawable, GCPtr pGC,
- int nInit, DDXPointPtr pptInit, int *pwidthInit,
- int fSorted)
-{
- /* Error -- this should never happen! */
-}
-
-/** Set spans -- this function should never be called. */
-void dmxSetSpans(DrawablePtr pDrawable, GCPtr pGC,
- char *psrc, DDXPointPtr ppt, int *pwidth, int nspans,
- int fSorted)
-{
- /* Error -- this should never happen! */
-}
-
-/** Transfer \a pBits image to back-end server associated with \a
- * pDrawable's screen. If primitive subdivision optimization is
- * enabled, then only transfer the sections of \a pBits that are
- * visible (i.e., not-clipped) to the back-end server. */
-void dmxPutImage(DrawablePtr pDrawable, GCPtr pGC,
- int depth, int x, int y, int w, int h,
- int leftPad, int format, char *pBits)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- XImage *img;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- img = XCreateImage(dmxScreen->beDisplay,
- dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual,
- depth, format, leftPad, pBits, w, h,
- BitmapPad(dmxScreen->beDisplay),
- (format == ZPixmap) ?
- PixmapBytePad(w, depth) : BitmapBytePad(w+leftPad));
-
- if (img) {
- Drawable draw;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- if (dmxSubdividePrimitives && pGC->pCompositeClip) {
- RegionPtr pSubImages;
- RegionPtr pClip;
- BoxRec box;
- BoxPtr pBox;
- int nBox;
-
- box.x1 = x;
- box.y1 = y;
- box.x2 = x + w;
- box.y2 = y + h;
- pSubImages = RegionCreate(&box, 1);
-
- pClip = RegionCreate(NullBox, 1);
- RegionCopy(pClip, pGC->pCompositeClip);
- RegionTranslate(pClip,
- -pDrawable->x, -pDrawable->y);
- RegionIntersect(pSubImages, pSubImages, pClip);
-
- nBox = RegionNumRects(pSubImages);
- pBox = RegionRects(pSubImages);
-
- while (nBox--) {
- XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img,
- pBox->x1 - box.x1,
- pBox->y1 - box.y1,
- pBox->x1,
- pBox->y1,
- pBox->x2 - pBox->x1,
- pBox->y2 - pBox->y1);
- pBox++;
- }
- RegionDestroy(pClip);
- RegionDestroy(pSubImages);
- } else {
- XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc,
- img, 0, 0, x, y, w, h);
- }
- XFree(img); /* Use XFree instead of XDestroyImage
- * because pBits is passed in from the
- * caller. */
-
- dmxSync(dmxScreen, FALSE);
- } else {
- /* Error -- this should not happen! */
- }
-}
-
-/** Copy area from \a pSrc drawable to \a pDst drawable on the back-end
- * server associated with \a pSrc drawable's screen. If the offscreen
- * optimization is enabled, only copy when both \a pSrc and \a pDst are
- * at least partially visible. */
-RegionPtr dmxCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int w, int h, int dstx, int dsty)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable srcDraw, dstDraw;
-
- if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h,
- dstx, dsty, 0L);
-
- DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
- DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
-
- XCopyArea(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
- srcx, srcy, w, h, dstx, dsty);
- dmxSync(dmxScreen, FALSE);
-
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h,
- dstx, dsty, 0L);
-}
-
-/** Copy plane number \a bitPlane from \a pSrc drawable to \a pDst
- * drawable on the back-end server associated with \a pSrc drawable's
- * screen. If the offscreen optimization is enabled, only copy when
- * both \a pSrc and \a pDst are at least partially visible. */
-RegionPtr dmxCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int width, int height,
- int dstx, int dsty, unsigned long bitPlane)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable srcDraw, dstDraw;
-
- if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
- dstx, dsty, bitPlane);
-
- DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
- DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
-
- XCopyPlane(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
- srcx, srcy, width, height, dstx, dsty, bitPlane);
- dmxSync(dmxScreen, FALSE);
-
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
- dstx, dsty, bitPlane);
-}
-
-/** Render list of points, \a pptInit in \a pDrawable on the back-end
- * server associated with \a pDrawable's screen. If the offscreen
- * optimization is enabled, only draw when \a pDrawable is at least
- * partially visible. */
-void dmxPolyPoint(DrawablePtr pDrawable, GCPtr pGC,
- int mode, int npt, DDXPointPtr pptInit)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawPoints(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XPoint *)pptInit, npt, mode);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of connected lines, \a pptInit in \a pDrawable on the
- * back-end server associated with \a pDrawable's screen. If the
- * offscreen optimization is enabled, only draw when \a pDrawable is at
- * least partially visible. */
-void dmxPolylines(DrawablePtr pDrawable, GCPtr pGC,
- int mode, int npt, DDXPointPtr pptInit)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawLines(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XPoint *)pptInit, npt, mode);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of disjoint segments, \a pSegs in \a pDrawable on the
- * back-end server associated with \a pDrawable's screen. If the
- * offscreen optimization is enabled, only draw when \a pDrawable is at
- * least partially visible. */
-void dmxPolySegment(DrawablePtr pDrawable, GCPtr pGC,
- int nseg, xSegment *pSegs)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawSegments(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XSegment *)pSegs, nseg);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of rectangle outlines, \a pRects in \a pDrawable on the
- * back-end server associated with \a pDrawable's screen. If the
- * offscreen optimization is enabled, only draw when \a pDrawable is at
- * least partially visible. */
-void dmxPolyRectangle(DrawablePtr pDrawable, GCPtr pGC,
- int nrects, xRectangle *pRects)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XRectangle *)pRects, nrects);
-
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of arc outlines, \a parcs in \a pDrawable on the
- * back-end server associated with \a pDrawable's screen. If the
- * offscreen optimization is enabled, only draw when \a pDrawable is at
- * least partially visible. */
-void dmxPolyArc(DrawablePtr pDrawable, GCPtr pGC,
- int narcs, xArc *parcs)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawArcs(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XArc *)parcs, narcs);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render a filled polygons in \a pDrawable on the back-end server
- * associated with \a pDrawable's screen. If the offscreen
- * optimization is enabled, only draw when \a pDrawable is at least
- * partially visible. */
-void dmxFillPolygon(DrawablePtr pDrawable, GCPtr pGC,
- int shape, int mode, int count, DDXPointPtr pPts)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XFillPolygon(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XPoint *)pPts, count, shape, mode);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of filled rectangles, \a prectInit in \a pDrawable on
- * the back-end server associated with \a pDrawable's screen. If the
- * offscreen optimization is enabled, only draw when \a pDrawable is at
- * least partially visible. */
-void dmxPolyFillRect(DrawablePtr pDrawable, GCPtr pGC,
- int nrectFill, xRectangle *prectInit)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XFillRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XRectangle *)prectInit, nrectFill);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of filled arcs, \a parcs in \a pDrawable on the back-end
- * server associated with \a pDrawable's screen. If the offscreen
- * optimization is enabled, only draw when \a pDrawable is at least
- * partially visible. */
-void dmxPolyFillArc(DrawablePtr pDrawable, GCPtr pGC,
- int narcs, xArc *parcs)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XFillArcs(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XArc *)parcs, narcs);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render string of 8-bit \a chars (foreground only) in \a pDrawable on
- * the back-end server associated with \a pDrawable's screen. If the
- * offscreen optimization is enabled, only draw when \a pDrawable is at
- * least partially visible. */
-int dmxPolyText8(DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, int count, char *chars)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- unsigned long n, i;
- int w;
- CharInfoPtr charinfo[255];
- Drawable draw;
-
- GetGlyphs(pGC->font, (unsigned long)count, (unsigned char *)chars,
- Linear8Bit, &n, charinfo);
-
- /* Calculate text width */
- w = 0;
- for (i = 0; i < n; i++) w += charinfo[i]->metrics.characterWidth;
-
- if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) {
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawString(dmxScreen->beDisplay, draw, pGCPriv->gc,
- x, y, chars, count);
- dmxSync(dmxScreen, FALSE);
- }
-
- return x+w;
-}
-
-/** Render string of 16-bit \a chars (foreground only) in \a pDrawable
- * on the back-end server associated with \a pDrawable's screen. If
- * the offscreen optimization is enabled, only draw when \a pDrawable
- * is at least partially visible. */
-int dmxPolyText16(DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, int count, unsigned short *chars)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- unsigned long n, i;
- int w;
- CharInfoPtr charinfo[255];
- Drawable draw;
-
- GetGlyphs(pGC->font, (unsigned long)count, (unsigned char *)chars,
- (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit,
- &n, charinfo);
-
- /* Calculate text width */
- w = 0;
- for (i = 0; i < n; i++) w += charinfo[i]->metrics.characterWidth;
-
- if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) {
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawString16(dmxScreen->beDisplay, draw, pGCPriv->gc,
- x, y, (XChar2b *)chars, count);
- dmxSync(dmxScreen, FALSE);
- }
-
- return x+w;
-}
-
-/** Render string of 8-bit \a chars (both foreground and background) in
- * \a pDrawable on the back-end server associated with \a pDrawable's
- * screen. If the offscreen optimization is enabled, only draw when \a
- * pDrawable is at least partially visible. */
-void dmxImageText8(DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, int count, char *chars)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawImageString(dmxScreen->beDisplay, draw, pGCPriv->gc,
- x, y, chars, count);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render string of 16-bit \a chars (both foreground and background) in
- * \a pDrawable on the back-end server associated with \a pDrawable's
- * screen. If the offscreen optimization is enabled, only draw when \a
- * pDrawable is at least partially visible. */
-void dmxImageText16(DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, int count, unsigned short *chars)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable draw;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- XDrawImageString16(dmxScreen->beDisplay, draw, pGCPriv->gc,
- x, y, (XChar2b *)chars, count);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Image Glyph Blt -- this function should never be called. */
-void dmxImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, unsigned int nglyph,
- CharInfoPtr *ppci, pointer pglyphBase)
-{
- /* Error -- this should never happen! */
-}
-
-/** Poly Glyph Blt -- this function should never be called. */
-void dmxPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, unsigned int nglyph,
- CharInfoPtr *ppci, pointer pglyphBase)
-{
- /* Error -- this should never happen! */
-}
-
-/** Push Pixels -- this function should never be called. */
-void dmxPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst,
- int w, int h, int x, int y)
-{
- /* Error -- this should never happen! */
-}
-
-/**********************************************************************
- * Miscellaneous drawing commands
- */
-
-/** When Xinerama is active, the client pixmaps are always obtained from
- * screen 0. When screen 0 is detached, the pixmaps must be obtained
- * from any other screen that is not detached. Usually, this is screen
- * 1. */
-static DMXScreenInfo *dmxFindAlternatePixmap(DrawablePtr pDrawable, XID *draw)
-{
-#ifdef PANORAMIX
- PanoramiXRes *pXinPix;
- int i;
- DMXScreenInfo *dmxScreen;
-
- if (noPanoramiXExtension) return NULL;
- if (pDrawable->type != DRAWABLE_PIXMAP) return NULL;
-
- if (Success != dixLookupResourceByType((pointer*) &pXinPix,
- pDrawable->id, XRT_PIXMAP,
- NullClient, DixUnknownAccess))
- return NULL;
-
- FOR_NSCREENS_FORWARD_SKIP(i) {
- dmxScreen = &dmxScreens[i];
- if (dmxScreen->beDisplay) {
- PixmapPtr pSrc;
- dmxPixPrivPtr pSrcPriv;
-
- dixLookupResourceByType((pointer*) &pSrc, pXinPix->info[i].id,
- RT_PIXMAP, NullClient, DixUnknownAccess);
- pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
- if (pSrcPriv->pixmap) {
- *draw = pSrcPriv->pixmap;
- return dmxScreen;
- }
- }
- }
-#endif
- return NULL;
-}
-
-/** Get an image from the back-end server associated with \a pDrawable's
- * screen. If \a pDrawable is a window, it must be viewable to get an
- * image from it. If it is not viewable, then get the image from the
- * first ancestor of \a pDrawable that is viewable. If no viewable
- * ancestor is found, then simply return without getting an image. */
-void dmxGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
- unsigned int format, unsigned long planeMask, char *pdstLine)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- XImage *img;
- Drawable draw;
-
- /* Cannot get image from unviewable window */
- if (pDrawable->type == DRAWABLE_WINDOW) {
- WindowPtr pWindow = (WindowPtr)pDrawable;
- if (!pWindow->viewable) {
- while (!pWindow->viewable && pWindow->parent) {
- sx += pWindow->origin.x - wBorderWidth(pWindow);
- sx += pWindow->origin.y - wBorderWidth(pWindow);
- pWindow = pWindow->parent;
- }
- if (!pWindow->viewable) {
- return;
- }
- }
- DMX_GCOPS_SET_DRAWABLE(&pWindow->drawable, draw);
- if (DMX_GCOPS_OFFSCREEN(&pWindow->drawable))
- return;
- } else {
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) {
- /* Try to find the pixmap on a non-detached Xinerama screen */
- dmxScreen = dmxFindAlternatePixmap(pDrawable, &draw);
- if (!dmxScreen) return;
- }
- }
-
- img = XGetImage(dmxScreen->beDisplay, draw,
- sx, sy, w, h, planeMask, format);
- if (img) {
- int len = img->bytes_per_line * img->height;
- memmove(pdstLine, img->data, len);
- XDestroyImage(img);
- }
-
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Get Spans -- this function should never be called. */
-void dmxGetSpans(DrawablePtr pDrawable, int wMax,
- DDXPointPtr ppt, int *pwidth, int nspans,
- char *pdstStart)
-{
- /* Error -- this should never happen! */
-}
+/*
+ * 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:
+ * Kevin E. Martin <kem@redhat.com>
+ *
+ */
+
+/** \file
+ * This file provides support for GC operations. */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxsync.h"
+#include "dmxgc.h"
+#include "dmxgcops.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+
+#include "mi.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "dixfontstr.h"
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+#endif
+
+#define DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw) \
+do { \
+ if ((_pDraw)->type == DRAWABLE_WINDOW) { \
+ dmxWinPrivPtr pWinPriv = \
+ DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw)); \
+ (_draw) = (Drawable)pWinPriv->window; \
+ } else { \
+ dmxPixPrivPtr pPixPriv = \
+ DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw)); \
+ (_draw) = (Drawable)pPixPriv->pixmap; \
+ } \
+} while (0)
+
+#define DMX_GCOPS_OFFSCREEN(_pDraw) \
+ (!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay || \
+ (dmxOffScreenOpt && \
+ (_pDraw)->type == DRAWABLE_WINDOW && \
+ (DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen || \
+ !DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window)))
+
+/** Fill spans -- this function should never be called. */
+void dmxFillSpans(DrawablePtr pDrawable, GCPtr pGC,
+ int nInit, DDXPointPtr pptInit, int *pwidthInit,
+ int fSorted)
+{
+ /* Error -- this should never happen! */
+}
+
+/** Set spans -- this function should never be called. */
+void dmxSetSpans(DrawablePtr pDrawable, GCPtr pGC,
+ char *psrc, DDXPointPtr ppt, int *pwidth, int nspans,
+ int fSorted)
+{
+ /* Error -- this should never happen! */
+}
+
+/** Transfer \a pBits image to back-end server associated with \a
+ * pDrawable's screen. If primitive subdivision optimization is
+ * enabled, then only transfer the sections of \a pBits that are
+ * visible (i.e., not-clipped) to the back-end server. */
+void dmxPutImage(DrawablePtr pDrawable, GCPtr pGC,
+ int depth, int x, int y, int w, int h,
+ int leftPad, int format, char *pBits)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ XImage *img;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ img = XCreateImage(dmxScreen->beDisplay,
+ dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual,
+ depth, format, leftPad, pBits, w, h,
+ BitmapPad(dmxScreen->beDisplay),
+ (format == ZPixmap) ?
+ PixmapBytePad(w, depth) : BitmapBytePad(w+leftPad));
+
+ if (img) {
+ Drawable draw;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ if (dmxSubdividePrimitives && pGC->pCompositeClip) {
+ RegionPtr pSubImages;
+ RegionPtr pClip;
+ BoxRec box;
+ BoxPtr pBox;
+ int nBox;
+
+ box.x1 = x;
+ box.y1 = y;
+ box.x2 = x + w;
+ box.y2 = y + h;
+ pSubImages = RegionCreate(&box, 1);
+
+ pClip = RegionCreate(NullBox, 1);
+ RegionCopy(pClip, pGC->pCompositeClip);
+ RegionTranslate(pClip,
+ -pDrawable->x, -pDrawable->y);
+ RegionIntersect(pSubImages, pSubImages, pClip);
+
+ nBox = RegionNumRects(pSubImages);
+ pBox = RegionRects(pSubImages);
+
+ while (nBox--) {
+ XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img,
+ pBox->x1 - box.x1,
+ pBox->y1 - box.y1,
+ pBox->x1,
+ pBox->y1,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1);
+ pBox++;
+ }
+ RegionDestroy(pClip);
+ RegionDestroy(pSubImages);
+ } else {
+ XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ img, 0, 0, x, y, w, h);
+ }
+ XFree(img); /* Use XFree instead of XDestroyImage
+ * because pBits is passed in from the
+ * caller. */
+
+ dmxSync(dmxScreen, FALSE);
+ } else {
+ /* Error -- this should not happen! */
+ }
+}
+
+/** Copy area from \a pSrc drawable to \a pDst drawable on the back-end
+ * server associated with \a pSrc drawable's screen. If the offscreen
+ * optimization is enabled, only copy when both \a pSrc and \a pDst are
+ * at least partially visible. */
+RegionPtr dmxCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable srcDraw, dstDraw;
+
+ if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
+ return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h,
+ dstx, dsty, 0L);
+
+ DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
+ DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
+
+ XCopyArea(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
+ srcx, srcy, w, h, dstx, dsty);
+ dmxSync(dmxScreen, FALSE);
+
+ return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h,
+ dstx, dsty, 0L);
+}
+
+/** Copy plane number \a bitPlane from \a pSrc drawable to \a pDst
+ * drawable on the back-end server associated with \a pSrc drawable's
+ * screen. If the offscreen optimization is enabled, only copy when
+ * both \a pSrc and \a pDst are at least partially visible. */
+RegionPtr dmxCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int width, int height,
+ int dstx, int dsty, unsigned long bitPlane)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable srcDraw, dstDraw;
+
+ if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
+ return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
+ dstx, dsty, bitPlane);
+
+ DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
+ DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
+
+ XCopyPlane(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
+ srcx, srcy, width, height, dstx, dsty, bitPlane);
+ dmxSync(dmxScreen, FALSE);
+
+ return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
+ dstx, dsty, bitPlane);
+}
+
+/** Render list of points, \a pptInit in \a pDrawable on the back-end
+ * server associated with \a pDrawable's screen. If the offscreen
+ * optimization is enabled, only draw when \a pDrawable is at least
+ * partially visible. */
+void dmxPolyPoint(DrawablePtr pDrawable, GCPtr pGC,
+ int mode, int npt, DDXPointPtr pptInit)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawPoints(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XPoint *)pptInit, npt, mode);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render list of connected lines, \a pptInit in \a pDrawable on the
+ * back-end server associated with \a pDrawable's screen. If the
+ * offscreen optimization is enabled, only draw when \a pDrawable is at
+ * least partially visible. */
+void dmxPolylines(DrawablePtr pDrawable, GCPtr pGC,
+ int mode, int npt, DDXPointPtr pptInit)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawLines(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XPoint *)pptInit, npt, mode);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render list of disjoint segments, \a pSegs in \a pDrawable on the
+ * back-end server associated with \a pDrawable's screen. If the
+ * offscreen optimization is enabled, only draw when \a pDrawable is at
+ * least partially visible. */
+void dmxPolySegment(DrawablePtr pDrawable, GCPtr pGC,
+ int nseg, xSegment *pSegs)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawSegments(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XSegment *)pSegs, nseg);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render list of rectangle outlines, \a pRects in \a pDrawable on the
+ * back-end server associated with \a pDrawable's screen. If the
+ * offscreen optimization is enabled, only draw when \a pDrawable is at
+ * least partially visible. */
+void dmxPolyRectangle(DrawablePtr pDrawable, GCPtr pGC,
+ int nrects, xRectangle *pRects)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XRectangle *)pRects, nrects);
+
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render list of arc outlines, \a parcs in \a pDrawable on the
+ * back-end server associated with \a pDrawable's screen. If the
+ * offscreen optimization is enabled, only draw when \a pDrawable is at
+ * least partially visible. */
+void dmxPolyArc(DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *parcs)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawArcs(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XArc *)parcs, narcs);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render a filled polygons in \a pDrawable on the back-end server
+ * associated with \a pDrawable's screen. If the offscreen
+ * optimization is enabled, only draw when \a pDrawable is at least
+ * partially visible. */
+void dmxFillPolygon(DrawablePtr pDrawable, GCPtr pGC,
+ int shape, int mode, int count, DDXPointPtr pPts)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XFillPolygon(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XPoint *)pPts, count, shape, mode);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render list of filled rectangles, \a prectInit in \a pDrawable on
+ * the back-end server associated with \a pDrawable's screen. If the
+ * offscreen optimization is enabled, only draw when \a pDrawable is at
+ * least partially visible. */
+void dmxPolyFillRect(DrawablePtr pDrawable, GCPtr pGC,
+ int nrectFill, xRectangle *prectInit)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XFillRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XRectangle *)prectInit, nrectFill);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render list of filled arcs, \a parcs in \a pDrawable on the back-end
+ * server associated with \a pDrawable's screen. If the offscreen
+ * optimization is enabled, only draw when \a pDrawable is at least
+ * partially visible. */
+void dmxPolyFillArc(DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *parcs)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XFillArcs(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ (XArc *)parcs, narcs);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render string of 8-bit \a chars (foreground only) in \a pDrawable on
+ * the back-end server associated with \a pDrawable's screen. If the
+ * offscreen optimization is enabled, only draw when \a pDrawable is at
+ * least partially visible. */
+int dmxPolyText8(DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, int count, char *chars)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ unsigned long n, i;
+ int w;
+ CharInfoPtr charinfo[255];
+ Drawable draw;
+
+ GetGlyphs(pGC->font, (unsigned long)count, (unsigned char *)chars,
+ Linear8Bit, &n, charinfo);
+
+ /* Calculate text width */
+ w = 0;
+ for (i = 0; i < n; i++) w += charinfo[i]->metrics.characterWidth;
+
+ if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) {
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawString(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ x, y, chars, count);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ return x+w;
+}
+
+/** Render string of 16-bit \a chars (foreground only) in \a pDrawable
+ * on the back-end server associated with \a pDrawable's screen. If
+ * the offscreen optimization is enabled, only draw when \a pDrawable
+ * is at least partially visible. */
+int dmxPolyText16(DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, int count, unsigned short *chars)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ unsigned long n, i;
+ int w;
+ CharInfoPtr charinfo[255];
+ Drawable draw;
+
+ GetGlyphs(pGC->font, (unsigned long)count, (unsigned char *)chars,
+ (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit,
+ &n, charinfo);
+
+ /* Calculate text width */
+ w = 0;
+ for (i = 0; i < n; i++) w += charinfo[i]->metrics.characterWidth;
+
+ if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) {
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawString16(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ x, y, (XChar2b *)chars, count);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ return x+w;
+}
+
+/** Render string of 8-bit \a chars (both foreground and background) in
+ * \a pDrawable on the back-end server associated with \a pDrawable's
+ * screen. If the offscreen optimization is enabled, only draw when \a
+ * pDrawable is at least partially visible. */
+void dmxImageText8(DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, int count, char *chars)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawImageString(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ x, y, chars, count);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Render string of 16-bit \a chars (both foreground and background) in
+ * \a pDrawable on the back-end server associated with \a pDrawable's
+ * screen. If the offscreen optimization is enabled, only draw when \a
+ * pDrawable is at least partially visible. */
+void dmxImageText16(DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, int count, unsigned short *chars)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
+ Drawable draw;
+
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
+
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+
+ XDrawImageString16(dmxScreen->beDisplay, draw, pGCPriv->gc,
+ x, y, (XChar2b *)chars, count);
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Image Glyph Blt -- this function should never be called. */
+void dmxImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ /* Error -- this should never happen! */
+}
+
+/** Poly Glyph Blt -- this function should never be called. */
+void dmxPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ /* Error -- this should never happen! */
+}
+
+/** Push Pixels -- this function should never be called. */
+void dmxPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst,
+ int w, int h, int x, int y)
+{
+ /* Error -- this should never happen! */
+}
+
+/**********************************************************************
+ * Miscellaneous drawing commands
+ */
+
+/** When Xinerama is active, the client pixmaps are always obtained from
+ * screen 0. When screen 0 is detached, the pixmaps must be obtained
+ * from any other screen that is not detached. Usually, this is screen
+ * 1. */
+static DMXScreenInfo *dmxFindAlternatePixmap(DrawablePtr pDrawable, XID *draw)
+{
+#ifdef PANORAMIX
+ PanoramiXRes *pXinPix;
+ int i;
+ DMXScreenInfo *dmxScreen;
+
+ if (noPanoramiXExtension) return NULL;
+ if (pDrawable->type != DRAWABLE_PIXMAP) return NULL;
+
+ if (Success != dixLookupResourceByType((pointer*) &pXinPix,
+ pDrawable->id, XRT_PIXMAP,
+ NullClient, DixUnknownAccess))
+ return NULL;
+
+ FOR_NSCREENS_FORWARD_SKIP(i) {
+ dmxScreen = &dmxScreens[i];
+ if (dmxScreen->beDisplay) {
+ PixmapPtr pSrc;
+ dmxPixPrivPtr pSrcPriv;
+
+ dixLookupResourceByType((pointer*) &pSrc, pXinPix->info[i].id,
+ RT_PIXMAP, NullClient, DixUnknownAccess);
+ pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
+ if (pSrcPriv->pixmap) {
+ *draw = pSrcPriv->pixmap;
+ return dmxScreen;
+ }
+ }
+ }
+#endif
+ return NULL;
+}
+
+/** Get an image from the back-end server associated with \a pDrawable's
+ * screen. If \a pDrawable is a window, it must be viewable to get an
+ * image from it. If it is not viewable, then get the image from the
+ * first ancestor of \a pDrawable that is viewable. If no viewable
+ * ancestor is found, then simply return without getting an image. */
+void dmxGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
+ unsigned int format, unsigned long planeMask, char *pdstLine)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
+ XImage *img;
+ Drawable draw;
+
+ /* Cannot get image from unviewable window */
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ WindowPtr pWindow = (WindowPtr)pDrawable;
+ if (!pWindow->viewable) {
+ while (!pWindow->viewable && pWindow->parent) {
+ sx += pWindow->origin.x - wBorderWidth(pWindow);
+ sx += pWindow->origin.y - wBorderWidth(pWindow);
+ pWindow = pWindow->parent;
+ }
+ if (!pWindow->viewable) {
+ return;
+ }
+ }
+ DMX_GCOPS_SET_DRAWABLE(&pWindow->drawable, draw);
+ if (DMX_GCOPS_OFFSCREEN(&pWindow->drawable))
+ return;
+ } else {
+ DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
+ if (DMX_GCOPS_OFFSCREEN(pDrawable)) {
+ /* Try to find the pixmap on a non-detached Xinerama screen */
+ dmxScreen = dmxFindAlternatePixmap(pDrawable, &draw);
+ if (!dmxScreen) return;
+ }
+ }
+
+ img = XGetImage(dmxScreen->beDisplay, draw,
+ sx, sy, w, h, planeMask, format);
+ if (img) {
+ int len = img->bytes_per_line * img->height;
+ memmove(pdstLine, img->data, len);
+ XDestroyImage(img);
+ }
+
+ dmxSync(dmxScreen, FALSE);
+}
+
+/** Get Spans -- this function should never be called. */
+void dmxGetSpans(DrawablePtr pDrawable, int wMax,
+ DDXPointPtr ppt, int *pwidth, int nspans,
+ char *pdstStart)
+{
+ /* Error -- this should never happen! */
+}
diff --git a/xorg-server/hw/dmx/dmxinit.c b/xorg-server/hw/dmx/dmxinit.c
index e0e5d1228..5dce93028 100644
--- a/xorg-server/hw/dmx/dmxinit.c
+++ b/xorg-server/hw/dmx/dmxinit.c
@@ -834,6 +834,7 @@ void AbortDDX(void)
}
#ifdef DDXBEFORERESET
+/* This function is called in Xserver/dix/dispatch.c */
void ddxBeforeReset(void)
{
}
diff --git a/xorg-server/hw/dmx/glxProxy/glxcmds.c b/xorg-server/hw/dmx/glxProxy/glxcmds.c
index f79264ea9..eb589f428 100644
--- a/xorg-server/hw/dmx/glxProxy/glxcmds.c
+++ b/xorg-server/hw/dmx/glxProxy/glxcmds.c
@@ -1,3645 +1,3645 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-#include "dmxsync.h"
-
-#include "glxserver.h"
-#include <GL/glxtokens.h>
-#include "g_disptab.h"
-#include <pixmapstr.h>
-#include <windowstr.h>
-#include "glxutil.h"
-#include "glxext.h"
-#include "unpack.h"
-
-#include "GL/glxproto.h"
-#include "glxvendor.h"
-#include "glxvisuals.h"
-#include "glxswap.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-extern __GLXFBConfig **__glXFBConfigs;
-extern int __glXNumFBConfigs;
-
-extern __GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id );
-extern __GLXFBConfig *glxLookupFBConfigByVID( VisualID vid );
-extern __GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen );
-extern int glxIsExtensionSupported( char *ext );
-extern int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc);
-
-#define BE_TO_CLIENT_ERROR(x) \
- ( (x) >= __glXerrorBase ? \
- (x) - dmxScreen->glxErrorBase + __glXerrorBase \
- : (x) )
-
-Display *GetBackEndDisplay( __GLXclientState *cl, int s )
-{
- if (! cl->be_displays[s] ) {
- cl->be_displays[s] = XOpenDisplay( DisplayString(dmxScreens[s].beDisplay) );
- }
- return cl->be_displays[s];
-}
-
-/*
-** Create a GL context with the given properties.
-*/
-static int CreateContext(__GLXclientState *cl,
- GLXContextID gcId,
- VisualID vid, GLXFBConfigID fbconfigId,
- int screen,
- GLXContextID shareList,
- int isDirect )
-{
- ClientPtr client = cl->client;
- xGLXCreateContextReq *be_req;
- xGLXCreateNewContextReq *be_new_req;
- VisualPtr pVisual;
- ScreenPtr pScreen;
- __GLXcontext *glxc, *shareglxc;
- __GLXvisualConfig *pGlxVisual;
- __GLXscreenInfo *pGlxScreen;
- VisualID visual = vid;
- GLint i;
- int from_screen = screen;
- int to_screen = screen;
- DMXScreenInfo *dmxScreen;
- VisualID be_vid = 0;
- GLXFBConfigID be_fbconfigId = 0;
- int num_be_screens;
- Display *dpy;
-
- /*
- ** Check if screen exists.
- */
- if (screen >= screenInfo.numScreens) {
- client->errorValue = screen;
- return BadValue;
- }
-
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- /*
- ** Find the display list space that we want to share.
- **
- */
- if (shareList == None) {
- shareglxc = NULL;
- } else {
- dixLookupResourceByType((pointer*) &shareglxc, shareList,
- __glXContextRes, NullClient, DixUnknownAccess);
- if (!shareglxc) {
- client->errorValue = shareList;
- return __glXBadContext;
- }
- }
-
- /*
- ** Allocate memory for the new context
- */
- glxc = calloc(1, sizeof(__GLXcontext));
- if (!glxc) {
- return BadAlloc;
- }
-
- pScreen = screenInfo.screens[screen];
- pGlxScreen = &__glXActiveScreens[screen];
-
- if (fbconfigId != None) {
- glxc->pFBConfig = glxLookupFBConfig( fbconfigId );
- if (!glxc->pFBConfig) {
- client->errorValue = fbconfigId;
- free( glxc );
- return BadValue;
- }
- visual = glxc->pFBConfig->associatedVisualId;
- }
- else {
- glxc->pFBConfig = NULL;
- }
-
- if (visual != None) {
- /*
- ** Check if the visual ID is valid for this screen.
- */
- pVisual = pScreen->visuals;
- for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
- if (pVisual->vid == visual) {
- break;
- }
- }
- if (i == pScreen->numVisuals) {
- client->errorValue = visual;
- free( glxc );
- return BadValue;
- }
-
- pGlxVisual = pGlxScreen->pGlxVisual;
- for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
- if (pGlxVisual->vid == visual) {
- break;
- }
- }
- if (i == pGlxScreen->numVisuals) {
- /*
- ** Visual not support on this screen by this OpenGL implementation.
- */
- client->errorValue = visual;
- free( glxc );
- return BadValue;
- }
-
- if ( glxc->pFBConfig == NULL ) {
- glxc->pFBConfig = glxLookupFBConfigByVID( visual );
-
- if ( glxc->pFBConfig == NULL ) {
- /*
- * visual does not have an FBConfig ???
- client->errorValue = visual;
- free( glxc );
- return BadValue;
- */
- }
- }
- }
- else {
- pVisual = NULL;
- pGlxVisual = NULL;
- }
-
- glxc->pScreen = pScreen;
- glxc->pGlxScreen = pGlxScreen;
- glxc->pVisual = pVisual;
- glxc->pGlxVisual = pGlxVisual;
-
- /*
- * allocate memory for back-end servers info
- */
- num_be_screens = to_screen - from_screen + 1;
- glxc->real_ids = (XID *)malloc(sizeof(XID) * num_be_screens);
- if (!glxc->real_ids) {
- return BadAlloc;
- }
- glxc->real_vids = (XID *)malloc(sizeof(XID) * num_be_screens);
- if (!glxc->real_vids) {
- return BadAlloc;
- }
-
- for (screen = from_screen; screen <= to_screen; screen++) {
- int sent = 0;
- pScreen = screenInfo.screens[screen];
- pGlxScreen = &__glXActiveScreens[screen];
- dmxScreen = &dmxScreens[screen];
-
- if (glxc->pFBConfig) {
- __GLXFBConfig *beFBConfig = glxLookupBackEndFBConfig( glxc->pFBConfig->id,
- screen );
- be_fbconfigId = beFBConfig->id;
- }
-
- if (pGlxVisual) {
-
- be_vid = glxMatchGLXVisualInConfigList( pGlxVisual,
- dmxScreen->glxVisuals,
- dmxScreen->numGlxVisuals );
-
- if (!be_vid) {
- /* visual is not supported on the back-end server */
- free( glxc->real_ids );
- free( glxc->real_vids );
- free( glxc );
- return BadValue;
- }
- }
-
- glxc->real_ids[screen-from_screen] = XAllocID(GetBackEndDisplay(cl,screen));
-
- /* send the create context request to the back-end server */
- dpy = GetBackEndDisplay(cl,screen);
- if (glxc->pFBConfig) {
- /*Since for a certain visual both RGB and COLOR INDEX
- *can be on then the only parmeter to choose the renderType
- * should be the class of the colormap since all 4 first
- * classes does not support RGB mode only COLOR INDEX ,
- * and so TrueColor and DirectColor does not support COLOR INDEX*/
- int renderType = glxc->pFBConfig->renderType;
- if ( pVisual ) {
- switch ( pVisual->class ){
- case PseudoColor:
- case StaticColor:
- case GrayScale:
- case StaticGray:
- renderType = GLX_COLOR_INDEX_TYPE;
- break;
- case TrueColor:
- case DirectColor:
- default:
- renderType = GLX_RGBA_TYPE;
- break;
- }
- }
- if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- LockDisplay(dpy);
- GetReq(GLXCreateNewContext,be_new_req);
- be_new_req->reqType = dmxScreen->glxMajorOpcode;
- be_new_req->glxCode = X_GLXCreateNewContext;
- be_new_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
- be_new_req->fbconfig = (unsigned int)be_fbconfigId;
- be_new_req->screen = DefaultScreen(dpy);
- be_new_req->renderType = renderType;
-
- be_new_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
- be_new_req->isDirect = 0;
- UnlockDisplay(dpy);
- glxc->real_vids[screen-from_screen] = be_fbconfigId;
- sent = 1;
- }
- else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
-
- xGLXCreateContextWithConfigSGIXReq *ext_req;
- xGLXVendorPrivateReq *vpreq;
- LockDisplay(dpy);
- GetReqExtra(GLXVendorPrivate,
- sz_xGLXCreateContextWithConfigSGIXReq - sz_xGLXVendorPrivateReq,
- vpreq);
- ext_req = (xGLXCreateContextWithConfigSGIXReq *)vpreq;
- ext_req->reqType = dmxScreen->glxMajorOpcode;
- ext_req->glxCode = X_GLXVendorPrivate;
- ext_req->vendorCode = X_GLXvop_CreateContextWithConfigSGIX;
- ext_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
- ext_req->fbconfig = (unsigned int)be_fbconfigId;
- ext_req->screen = DefaultScreen(dpy);
- ext_req->renderType = renderType;
- ext_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
- ext_req->isDirect = 0;
- UnlockDisplay(dpy);
- glxc->real_vids[screen-from_screen] = be_fbconfigId;
- sent = 1;
- }
- }
-
- if (!sent) {
- LockDisplay(dpy);
- GetReq(GLXCreateContext,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCreateContext;
- be_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
- be_req->visual = (unsigned int)be_vid;
- be_req->screen = DefaultScreen(dpy);
- be_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
- be_req->isDirect = 0;
- UnlockDisplay(dpy);
- glxc->real_vids[screen-from_screen] = be_vid;
- }
- SyncHandle();
-
- }
-
- /*
- ** Register this context as a resource.
- */
- if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {
- free( glxc->real_ids );
- free( glxc->real_vids );
- free( glxc );
- client->errorValue = gcId;
- return BadAlloc;
- }
-
- /*
- ** Finally, now that everything is working, setup the rest of the
- ** context.
- */
- glxc->id = gcId;
- glxc->share_id = shareList;
- glxc->idExists = GL_TRUE;
- glxc->isCurrent = GL_FALSE;
-
- return Success;
-}
-
-int __glXCreateContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
-
- return( CreateContext(cl, req->context,req->visual, None,
- req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXCreateNewContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
-
- return( CreateContext(cl, req->context,None, req->fbconfig,
- req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextWithConfigSGIXReq *req = (xGLXCreateContextWithConfigSGIXReq *) pc;
-
- return( CreateContext(cl, req->context, None, req->fbconfig,
- req->screen, req->shareList, req->isDirect) );
-
-}
-
-int __glXQueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryMaxSwapBarriersSGIXReq *req =
- (xGLXQueryMaxSwapBarriersSGIXReq *)pc;
- xGLXQueryMaxSwapBarriersSGIXReply reply;
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = 0;
- reply.max = QueryMaxSwapBarriersSGIX(req->screen);
-
- if (client->swapped) {
- __glXSwapQueryMaxSwapBarriersSGIXReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,
- (char *)&reply);
- }
-
- return Success;
-}
-
-int __glXBindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *)pc;
- DrawablePtr pDraw;
- __GLXpixmap *pGlxPixmap = NULL;
- __glXWindow *pGlxWindow = NULL;
- int rc;
-
- rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixGetAttrAccess);
- if (rc != Success) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) pDraw = pGlxWindow->pDraw;
- }
-
- if (!pDraw) {
- client->errorValue = req->drawable;
- return __glXBadDrawable;
- }
-
- return BindSwapBarrierSGIX(pDraw, req->barrier);
-}
-
-int __glXJoinSwapGroupSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXJoinSwapGroupSGIXReq *req = (xGLXJoinSwapGroupSGIXReq *)pc;
- DrawablePtr pDraw, pMember = NULL;
- __GLXpixmap *pGlxPixmap = NULL;
- __glXWindow *pGlxWindow = NULL;
- int rc;
-
- rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixManageAccess);
- if (rc != Success) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) pDraw = pGlxWindow->pDraw;
- }
-
- if (!pDraw) {
- client->errorValue = req->drawable;
- return __glXBadDrawable;
- }
-
- if (req->member != None) {
- rc = dixLookupDrawable(&pMember, req->member, client, 0,
- DixGetAttrAccess);
- if (rc != Success) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, req->member,
- __glXPixmapRes, NullClient,
- DixUnknownAccess);
- if (pGlxPixmap) pMember = pGlxPixmap->pDraw;
- }
-
- if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, req->member,
- __glXWindowRes, NullClient,
- DixUnknownAccess);
- if (pGlxWindow) pMember = pGlxWindow->pDraw;
- }
-
- if (!pMember) {
- client->errorValue = req->member;
- return __glXBadDrawable;
- }
- }
-
- return JoinSwapGroupSGIX(pDraw, pMember);
-}
-
-
-/*
-** Destroy a GL context as an X resource.
-*/
-int __glXDestroyContext(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
- xGLXDestroyContextReq *be_req;
- GLXContextID gcId = req->context;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- dixLookupResourceByType((pointer*) &glxc, gcId, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (glxc) {
- /*
- ** Just free the resource; don't actually destroy the context,
- ** because it might be in use. The
- ** destroy method will be called by the resource destruction routine
- ** if necessary.
- */
- FreeResourceByType(gcId, __glXContextRes, FALSE);
-
- from_screen = to_screen = glxc->pScreen->myNum;
-
- } else {
- client->errorValue = gcId;
- return __glXBadContext;
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- /*
- * send DestroyContext request to all back-end servers
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXDestroyContext,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXDestroyContext;
- be_req->context = glxc->real_ids[s-from_screen];
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-/*****************************************************************************/
-
-/*
-** For each client, the server keeps a table of all the contexts that are
-** current for that client (each thread of a client may have its own current
-** context). These routines add, change, and lookup contexts in the table.
-*/
-
-/*
-** Add a current context, and return the tag that will be used to refer to it.
-*/
-static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, DrawablePtr pDraw)
-{
- int i;
- int num = cl->numCurrentContexts;
- __GLXcontext **table = cl->currentContexts;
-
- if (!glxc) return -1;
-
- /*
- ** Try to find an empty slot and use it.
- */
- for (i=0; i < num; i++) {
- if (!table[i]) {
- table[i] = glxc;
- return i+1;
- }
- }
- /*
- ** Didn't find a free slot, so we'll have to grow the table.
- */
- if (!num) {
- table = (__GLXcontext **) malloc(sizeof(__GLXcontext *));
- cl->currentDrawables = (DrawablePtr *) malloc(sizeof(DrawablePtr));
- cl->be_currentCTag = (GLXContextTag *) malloc(screenInfo.numScreens *sizeof(GLXContextTag));
- } else {
- table = (__GLXcontext **) realloc(table,
- (num+1)*sizeof(__GLXcontext *));
- cl->currentDrawables = (DrawablePtr *) realloc(
- cl->currentDrawables ,
- (num+1)*sizeof(DrawablePtr));
- cl->be_currentCTag = (GLXContextTag *) realloc(cl->be_currentCTag,
- (num+1)*screenInfo.numScreens*sizeof(GLXContextTag));
- }
- table[num] = glxc;
- cl->currentDrawables[num] = pDraw;
- cl->currentContexts = table;
- cl->numCurrentContexts++;
-
- memset(cl->be_currentCTag + num*screenInfo.numScreens, 0,
- screenInfo.numScreens * sizeof(GLXContextTag));
-
- return num+1;
-}
-
-/*
-** Given a tag, change the current context for the corresponding entry.
-*/
-static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,
- GLXContextTag tag)
-{
- __GLXcontext **table = cl->currentContexts;
- table[tag-1] = glxc;
-}
-
-/*
-** Given a tag, and back-end screen number, retrives the current back-end
-** tag.
-*/
-int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s)
-{
- if (tag >0) {
- return( cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] );
- }
- else {
- return 0;
- }
-}
-
-/*
-** Given a tag, and back-end screen number, sets the current back-end
-** tag.
-*/
-static void SetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s, GLXContextTag be_tag)
-{
- if (tag >0) {
- cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] = be_tag;
- }
-}
-
-/*
-** For this implementation we have chosen to simply use the index of the
-** context's entry in the table as the context tag. A tag must be greater
-** than 0.
-*/
-__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)
-{
- int num = cl->numCurrentContexts;
-
- if (tag < 1 || tag > num) {
- return 0;
- } else {
- return cl->currentContexts[tag-1];
- }
-}
-
-DrawablePtr __glXLookupDrawableByTag(__GLXclientState *cl, GLXContextTag tag)
-{
- int num = cl->numCurrentContexts;
-
- if (tag < 1 || tag > num) {
- return 0;
- } else {
- return cl->currentDrawables[tag-1];
- }
-}
-
-/*****************************************************************************/
-
-static void StopUsingContext(__GLXcontext *glxc)
-{
- if (glxc) {
- if (glxc == __glXLastContext) {
- /* Tell server GL library */
- __glXLastContext = 0;
- }
- glxc->isCurrent = GL_FALSE;
- if (!glxc->idExists) {
- __glXFreeContext(glxc);
- }
- }
-}
-
-static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)
-{
- glxc->isCurrent = GL_TRUE;
-}
-
-/*****************************************************************************/
-/*
-** Make an OpenGL context and drawable current.
-*/
-static int MakeCurrent(__GLXclientState *cl,
- GLXDrawable drawable,
- GLXDrawable readdrawable,
- GLXContextID context,
- GLXContextTag oldContextTag)
-{
- ClientPtr client = cl->client;
- DrawablePtr pDraw = NULL;
- DrawablePtr pReadDraw = NULL;
- xGLXMakeCurrentReadSGIReply new_reply;
- xGLXMakeCurrentReq *be_req;
- xGLXMakeCurrentReply be_reply;
- xGLXMakeContextCurrentReq *be_new_req;
- xGLXMakeContextCurrentReply be_new_reply;
- GLXDrawable drawId = drawable;
- GLXDrawable readId = readdrawable;
- GLXContextID contextId = context;
- __GLXpixmap *pGlxPixmap = 0;
- __GLXpixmap *pReadGlxPixmap = 0;
- __GLXcontext *glxc, *prevglxc;
- GLXContextTag tag = oldContextTag;
- WindowPtr pWin = NULL;
- WindowPtr pReadWin = NULL;
- __glXWindow *pGlxWindow = NULL;
- __glXWindow *pGlxReadWindow = NULL;
- __glXPbuffer *pGlxPbuffer = NULL;
- __glXPbuffer *pGlxReadPbuffer = NULL;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
- PanoramiXRes *pXinReadDraw = NULL;
-#endif
- int from_screen = 0;
- int to_screen = 0;
- int s, rc;
-
- /*
- ** If one is None and the other isn't, it's a bad match.
- */
- if ((drawId == None && contextId != None) ||
- (drawId != None && contextId == None)) {
- return BadMatch;
- }
-
- /*
- ** Lookup old context. If we have one, it must be in a usable state.
- */
- if (tag != 0) {
- prevglxc = __glXLookupContextByTag(cl, tag);
- if (!prevglxc) {
- /*
- ** Tag for previous context is invalid.
- */
- return __glXBadContextTag;
- }
- } else {
- prevglxc = 0;
- }
-
- /*
- ** Lookup new context. It must not be current for someone else.
- */
- if (contextId != None) {
- dixLookupResourceByType((pointer*) &glxc, contextId, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!glxc) {
- client->errorValue = contextId;
- return __glXBadContext;
- }
- if ((glxc != prevglxc) && glxc->isCurrent) {
- /* Context is current to somebody else */
- return BadAccess;
- }
- } else {
- /* Switching to no context. Ignore new drawable. */
- glxc = 0;
- }
-
- if (drawId != None) {
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
- if (rc == Success) {
- if (pDraw->type == DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X Window.
- */
- VisualID vid;
- pWin = (WindowPtr)pDraw;
- vid = wVisual(pWin);
-
- new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
- new_reply.writeType = GLX_WINDOW_TYPE;
-
- /*
- ** Check if window and context are similar.
- */
- if ((vid != glxc->pVisual->vid) ||
- (pWin->drawable.pScreen != glxc->pScreen)) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- from_screen = to_screen = pWin->drawable.pScreen->myNum;
-
- } else {
- /*
- ** An X Pixmap is not allowed as a parameter (a GLX Pixmap
- ** is, but it must first be created with glxCreateGLXPixmap).
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
- __glXPixmapRes, NullClient,
- DixUnknownAccess);
- if (pGlxPixmap) {
- /*
- ** Check if pixmap and context are similar.
- */
- if (pGlxPixmap->pScreen != glxc->pScreen ||
- pGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
- client->errorValue = drawId;
- return BadMatch;
- }
- pDraw = pGlxPixmap->pDraw;
-
- new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id :
- pGlxPixmap->pGlxVisual->vid);
-
- new_reply.writeType = GLX_PIXMAP_TYPE;
-
- from_screen = to_screen = pGlxPixmap->pScreen->myNum;
-
- }
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
- __glXWindowRes, NullClient,
- DixUnknownAccess);
- if (pGlxWindow) {
- /*
- ** Drawable is a GLXWindow.
- **
- ** Check if GLX window and context are similar.
- */
- if (pGlxWindow->pScreen != glxc->pScreen ||
- pGlxWindow->pGlxFBConfig != glxc->pFBConfig) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- pDraw = pGlxWindow->pDraw;
- new_reply.writeVid = pGlxWindow->pGlxFBConfig->id;
- new_reply.writeType = GLX_GLXWINDOW_TYPE;
- }
-
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxPbuffer, drawId,
- __glXPbufferRes, NullClient,
- DixUnknownAccess);
- if (pGlxPbuffer) {
- if (pGlxPbuffer->pScreen != glxc->pScreen ||
- pGlxPbuffer->pFBConfig != glxc->pFBConfig) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- pDraw = (DrawablePtr)pGlxPbuffer;
- new_reply.writeVid = pGlxPbuffer->pFBConfig->id;
- new_reply.writeType = GLX_PBUFFER_TYPE;
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- } else {
- pDraw = 0;
- }
-
- if (readId != None && readId != drawId ) {
- rc = dixLookupDrawable(&pReadDraw, readId, client, 0, DixReadAccess);
- if (rc == Success) {
- if (pReadDraw->type == DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X Window.
- */
- VisualID vid;
- pReadWin = (WindowPtr)pDraw;
- vid = wVisual(pReadWin);
-
- new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
- new_reply.readType = GLX_WINDOW_TYPE;
-
- /*
- ** Check if window and context are similar.
- */
- if ((vid != glxc->pVisual->vid) ||
- (pReadWin->drawable.pScreen != glxc->pScreen)) {
- client->errorValue = readId;
- return BadMatch;
- }
-
- } else {
-
- /*
- ** An X Pixmap is not allowed as a parameter (a GLX Pixmap
- ** is, but it must first be created with glxCreateGLXPixmap).
- */
- client->errorValue = readId;
- return __glXBadDrawable;
- }
- }
-
- if (!pReadDraw) {
- dixLookupResourceByType((pointer*) &pReadGlxPixmap, readId,
- __glXPixmapRes, NullClient,
- DixUnknownAccess);
- if (pReadGlxPixmap) {
- /*
- ** Check if pixmap and context are similar.
- */
- if (pReadGlxPixmap->pScreen != glxc->pScreen ||
- pReadGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
- client->errorValue = readId;
- return BadMatch;
- }
- pReadDraw = pReadGlxPixmap->pDraw;
-
- new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id :
- pReadGlxPixmap->pGlxVisual->vid );
- new_reply.readType = GLX_PIXMAP_TYPE;
-
- }
- }
-
- if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxReadWindow, readId,
- __glXWindowRes, NullClient,
- DixUnknownAccess);
- if (pGlxReadWindow) {
- /*
- ** Drawable is a GLXWindow.
- **
- ** Check if GLX window and context are similar.
- */
- if (pGlxReadWindow->pScreen != glxc->pScreen ||
- pGlxReadWindow->pGlxFBConfig != glxc->pFBConfig) {
- client->errorValue = readId;
- return BadMatch;
- }
-
- pReadDraw = pGlxReadWindow->pDraw;
- new_reply.readVid = pGlxReadWindow->pGlxFBConfig->id;
- new_reply.readType = GLX_GLXWINDOW_TYPE;
- }
- }
-
- if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxReadPbuffer, readId,
- __glXPbufferRes, NullClient,
- DixUnknownAccess);
- if (pGlxReadPbuffer) {
- if (pGlxReadPbuffer->pScreen != glxc->pScreen ||
- pGlxReadPbuffer->pFBConfig != glxc->pFBConfig) {
- client->errorValue = drawId;
- return BadMatch;
- }
-
- pReadDraw = (DrawablePtr)pGlxReadPbuffer;
- new_reply.readVid = pGlxReadPbuffer->pFBConfig->id;
- new_reply.readType = GLX_PBUFFER_TYPE;
- }
- }
-
- if (!pReadDraw) {
- /*
- ** Drawable is neither a Window nor a GLXPixmap.
- */
- client->errorValue = readId;
- return __glXBadDrawable;
- }
-
- } else {
- pReadDraw = pDraw;
- pReadGlxPixmap = pGlxPixmap;
- pReadWin = pWin;
- new_reply.readVid = new_reply.writeVid;
- new_reply.readType = new_reply.writeType;
- }
-
- if (prevglxc) {
-
- if (prevglxc->pGlxPixmap) {
- /*
- ** The previous drawable was a glx pixmap, release it.
- */
- prevglxc->pGlxPixmap->refcnt--;
- __glXFreeGLXPixmap( prevglxc->pGlxPixmap );
- prevglxc->pGlxPixmap = 0;
- }
-
- if (prevglxc->pGlxReadPixmap) {
- /*
- ** The previous drawable was a glx pixmap, release it.
- */
- prevglxc->pGlxReadPixmap->refcnt--;
- __glXFreeGLXPixmap( prevglxc->pGlxReadPixmap );
- prevglxc->pGlxReadPixmap = 0;
- }
-
- if (prevglxc->pGlxWindow) {
- /*
- ** The previous drawable was a glx window, release it.
- */
- prevglxc->pGlxWindow->refcnt--;
- __glXFreeGLXWindow( prevglxc->pGlxWindow );
- prevglxc->pGlxWindow = 0;
- }
-
- if (prevglxc->pGlxReadWindow) {
- /*
- ** The previous drawable was a glx window, release it.
- */
- prevglxc->pGlxReadWindow->refcnt--;
- __glXFreeGLXWindow( prevglxc->pGlxReadWindow );
- prevglxc->pGlxReadWindow = 0;
- }
-
- if (prevglxc->pGlxPbuffer) {
- /*
- ** The previous drawable was a glx Pbuffer, release it.
- */
- prevglxc->pGlxPbuffer->refcnt--;
- __glXFreeGLXPbuffer( prevglxc->pGlxPbuffer );
- prevglxc->pGlxPbuffer = 0;
- }
-
- if (prevglxc->pGlxReadPbuffer) {
- /*
- ** The previous drawable was a glx Pbuffer, release it.
- */
- prevglxc->pGlxReadPbuffer->refcnt--;
- __glXFreeGLXPbuffer( prevglxc->pGlxReadPbuffer );
- prevglxc->pGlxReadPbuffer = 0;
- }
-
- ChangeCurrentContext(cl, glxc, tag);
- ChangeCurrentContext(cl, glxc, tag);
- StopUsingContext(prevglxc);
- } else {
- tag = AddCurrentContext(cl, glxc, pDraw);
- }
- if (glxc) {
-
- glxc->pGlxPixmap = pGlxPixmap;
- glxc->pGlxReadPixmap = pReadGlxPixmap;
- glxc->pGlxWindow = pGlxWindow;
- glxc->pGlxReadWindow = pGlxReadWindow;
- glxc->pGlxPbuffer = pGlxPbuffer;
- glxc->pGlxReadPbuffer = pGlxReadPbuffer;
-
- if (pGlxPixmap) {
- pGlxPixmap->refcnt++;
- }
-
- if (pReadGlxPixmap) {
- pReadGlxPixmap->refcnt++;
- }
-
- if (pGlxWindow) {
- pGlxWindow->refcnt++;
- }
-
- if (pGlxReadWindow) {
- pGlxReadWindow->refcnt++;
- }
-
- if (pGlxPbuffer) {
- pGlxPbuffer->refcnt++;
- }
-
- if (pGlxReadPbuffer) {
- pGlxReadPbuffer->refcnt++;
- }
-
- StartUsingContext(cl, glxc);
- new_reply.contextTag = tag;
- } else {
- new_reply.contextTag = 0;
- }
- new_reply.length = 0;
- new_reply.type = X_Reply;
- new_reply.sequenceNumber = client->sequence;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
-
- if (pDraw && new_reply.writeType != GLX_PBUFFER_TYPE) {
- dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
-
- if (pReadDraw && pReadDraw != pDraw &&
- new_reply.readType != GLX_PBUFFER_TYPE) {
- dixLookupResourceByClass((pointer*) &pXinReadDraw,
- pReadDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
- else {
- pXinReadDraw = pXinDraw;
- }
- }
-#endif
-
-
- /* send the MakeCurrent request to all required
- * back-end servers.
- */
- for (s = from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- unsigned int be_draw = None;
- unsigned int be_read_draw = None;
-
- if (pGlxPixmap) {
- be_draw = pGlxPixmap->be_xids[s];
- }
- else if (pGlxPbuffer) {
- be_draw = pGlxPbuffer->be_xids[s];
- }
-#ifdef PANORAMIX
- else if (pXinDraw) {
- dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
- }
-#endif
- else if (pGlxWindow) {
- pWin = (WindowPtr)pGlxWindow->pDraw;
- }
-
- if (pWin && be_draw == None) {
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_draw) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
-
- /*
- * Before sending the MakeCurrent request - sync the
- * X11 connection to the back-end servers to make sure
- * that drawable is already created
- */
- dmxSync( dmxScreen, 1 );
-
- if (drawId == readId) {
- LockDisplay(dpy);
- GetReq(GLXMakeCurrent, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXMakeCurrent;
- be_req->drawable = be_draw;
- be_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
- be_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
- if (!_XReply(dpy, (xReply *) &be_reply, 0, False)) {
-
- /* The make current failed */
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- SetCurrentBackEndTag( cl, tag, s, be_reply.contextTag );
- }
- else {
-
- if (pReadGlxPixmap) {
- be_read_draw = pReadGlxPixmap->be_xids[s];
- }
- else if (pGlxReadPbuffer) {
- be_read_draw = pGlxReadPbuffer->be_xids[s];
- }
-#ifdef PANORAMIX
- else if (pXinReadDraw) {
- dixLookupWindow(&pReadWin, pXinReadDraw->info[s].id, client,
- DixReadAccess);
- }
-#endif
- else if (pGlxReadWindow) {
- pReadWin = (WindowPtr)pGlxReadWindow->pDraw;
- }
-
- if (pReadWin && be_read_draw == None) {
- be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
- if (!be_read_draw) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pReadWin, TRUE );
- be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
- dmxSync( dmxScreen, 1 );
- }
- }
-
- if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- LockDisplay(dpy);
- GetReq(GLXMakeContextCurrent, be_new_req);
- be_new_req->reqType = dmxScreen->glxMajorOpcode;
- be_new_req->glxCode = X_GLXMakeContextCurrent;
- be_new_req->drawable = be_draw;
- be_new_req->readdrawable = be_read_draw;
- be_new_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
- be_new_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
- if (!_XReply(dpy, (xReply *) &be_new_reply, 0, False)) {
-
- /* The make current failed */
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- SetCurrentBackEndTag( cl, tag, s, be_new_reply.contextTag );
- }
- else if (glxIsExtensionSupported("GLX_SGI_make_current_read")) {
- xGLXMakeCurrentReadSGIReq *ext_req;
- xGLXVendorPrivateWithReplyReq *vpreq;
- xGLXMakeCurrentReadSGIReply ext_reply;
-
- LockDisplay(dpy);
- GetReqExtra(GLXVendorPrivateWithReply,
- sz_xGLXMakeCurrentReadSGIReq - sz_xGLXVendorPrivateWithReplyReq,
- vpreq);
- ext_req = (xGLXMakeCurrentReadSGIReq *)vpreq;
- ext_req->reqType = dmxScreen->glxMajorOpcode;
- ext_req->glxCode = X_GLXVendorPrivateWithReply;
- ext_req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
- ext_req->drawable = be_draw;
- ext_req->readable = be_read_draw;
- ext_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
- ext_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
- if (!_XReply(dpy, (xReply *) &ext_reply, 0, False)) {
-
- /* The make current failed */
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- SetCurrentBackEndTag( cl, tag, s, ext_reply.contextTag );
-
- }
- else {
- return BadMatch;
- }
- }
-
- XFlush( dpy );
- }
-
- if (client->swapped) {
- __glXSwapMakeCurrentReply(client, &new_reply);
- } else {
- WriteToClient(client, sz_xGLXMakeContextCurrentReply, (char *)&new_reply);
- }
-
- return Success;
-}
-
-int __glXMakeCurrent(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
-
- return( MakeCurrent(cl, req->drawable, req->drawable,
- req->context, req->oldContextTag ) );
-}
-
-int __glXMakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
-
- return( MakeCurrent(cl, req->drawable, req->readdrawable,
- req->context, req->oldContextTag ) );
-}
-
-int __glXMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
-
- return( MakeCurrent(cl, req->drawable, req->readable,
- req->context, req->oldContextTag ) );
-}
-
-int __glXIsDirect(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
- xGLXIsDirectReply reply;
- __GLXcontext *glxc;
-
- /*
- ** Find the GL context.
- */
- dixLookupResourceByType((pointer*) &glxc, req->context, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!glxc) {
- client->errorValue = req->context;
- return __glXBadContext;
- }
-
- reply.isDirect = 0;
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __glXSwapIsDirectReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
- }
-
- return Success;
-}
-
-int __glXQueryVersion(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
-/* xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; */
- xGLXQueryVersionReply reply;
-
- /*
- ** Server should take into consideration the version numbers sent by the
- ** client if it wants to work with older clients; however, in this
- ** implementation the server just returns its version number.
- */
- reply.majorVersion = __glXVersionMajor;
- reply.minorVersion = __glXVersionMinor;
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __glXSwapQueryVersionReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
- }
- return Success;
-}
-
-int __glXWaitGL(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;
- xGLXWaitGLReq *be_req = (xGLXWaitGLReq *)pc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
- __GLXcontext *glxc = NULL;
-
- if (req->contextTag != 0) {
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (glxc) {
- from_screen = to_screen = glxc->pScreen->myNum;
- }
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXWaitGL,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXWaitGL;
- be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- UnlockDisplay(dpy);
- SyncHandle();
-
- XSync(dpy, False);
- }
-
- return Success;
-}
-
-int __glXWaitX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXWaitXReq *req = (xGLXWaitXReq *)pc;
- xGLXWaitXReq *be_req;
- int from_screen = 0;
- int to_screen = 0;
- int s;
- __GLXcontext *glxc = NULL;
-
- if (req->contextTag != 0) {
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (glxc) {
- from_screen = to_screen = glxc->pScreen->myNum;
- }
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXWaitX,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXWaitX;
- be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- UnlockDisplay(dpy);
- SyncHandle();
-
- XFlush( dpy );
- }
-
- return Success;
-}
-
-int __glXCopyContext(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXCopyContextReq *be_req;
- xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
- GLXContextID source = req->source;
- GLXContextID dest = req->dest;
- GLXContextTag tag = req->contextTag;
- unsigned long mask = req->mask;
- __GLXcontext *src, *dst;
- int s;
- int from_screen = 0;
- int to_screen = 0;
-
- /*
- ** Check that each context exists.
- */
- dixLookupResourceByType((pointer*) &src, source, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!src) {
- client->errorValue = source;
- return __glXBadContext;
- }
- dixLookupResourceByType((pointer*) &dst, dest, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!dst) {
- client->errorValue = dest;
- return __glXBadContext;
- }
-
- /*
- ** They must be in the same address space, and same screen.
- */
- if (src->pGlxScreen != dst->pGlxScreen) {
- client->errorValue = source;
- return BadMatch;
- }
-
- /*
- ** The destination context must not be current for any client.
- */
- if (dst->isCurrent) {
- client->errorValue = dest;
- return BadAccess;
- }
-
- if (tag) {
- __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);
-
- if (!tagcx) {
- return __glXBadContextTag;
- }
- if (tagcx != src) {
- /*
- ** This would be caused by a faulty implementation of the client
- ** library.
- */
- return BadMatch;
- }
- }
-
- from_screen = to_screen = src->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXCopyContext,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCopyContext;
- be_req->source = (unsigned int)src->real_ids[s-from_screen];
- be_req->dest = (unsigned int)dst->real_ids[s-from_screen];
- be_req->mask = mask;
- be_req->contextTag = (tag ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-int __glXGetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
- xGLXGetVisualConfigsReply reply;
- __GLXscreenInfo *pGlxScreen;
- __GLXvisualConfig *pGlxVisual;
- CARD32 buf[__GLX_TOTAL_CONFIG];
- unsigned int screen;
- int i, p;
-
- screen = req->screen;
- if (screen >= screenInfo.numScreens) {
- /* The client library must send a valid screen number. */
- client->errorValue = screen;
- return BadValue;
- }
- pGlxScreen = &__glXActiveScreens[screen];
-
- reply.numVisuals = pGlxScreen->numGLXVisuals;
- reply.numProps = __GLX_TOTAL_CONFIG;
- reply.length = (pGlxScreen->numGLXVisuals * __GLX_SIZE_CARD32 *
- __GLX_TOTAL_CONFIG) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);
-
- for (i=0; i < pGlxScreen->numVisuals; i++) {
- pGlxVisual = &pGlxScreen->pGlxVisual[i];
- if (!pGlxScreen->isGLXvis[i] || pGlxVisual->vid == 0) {
- /* not a usable visual */
- continue;
- }
- p = 0;
- buf[p++] = pGlxVisual->vid;
- buf[p++] = pGlxVisual->class;
- buf[p++] = pGlxVisual->rgba;
-
- buf[p++] = pGlxVisual->redSize;
- buf[p++] = pGlxVisual->greenSize;
- buf[p++] = pGlxVisual->blueSize;
- buf[p++] = pGlxVisual->alphaSize;
- buf[p++] = pGlxVisual->accumRedSize;
- buf[p++] = pGlxVisual->accumGreenSize;
- buf[p++] = pGlxVisual->accumBlueSize;
- buf[p++] = pGlxVisual->accumAlphaSize;
-
- buf[p++] = pGlxVisual->doubleBuffer;
- buf[p++] = pGlxVisual->stereo;
-
- buf[p++] = pGlxVisual->bufferSize;
- buf[p++] = pGlxVisual->depthSize;
- buf[p++] = pGlxVisual->stencilSize;
- buf[p++] = pGlxVisual->auxBuffers;
- buf[p++] = pGlxVisual->level;
- /*
- ** Add token/value pairs for extensions.
- */
- buf[p++] = GLX_VISUAL_CAVEAT_EXT;
- buf[p++] = pGlxVisual->visualRating;
- buf[p++] = GLX_TRANSPARENT_TYPE_EXT;
- buf[p++] = pGlxVisual->transparentPixel;
- buf[p++] = GLX_TRANSPARENT_RED_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentRed;
- buf[p++] = GLX_TRANSPARENT_GREEN_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentGreen;
- buf[p++] = GLX_TRANSPARENT_BLUE_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentBlue;
- buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentAlpha;
- buf[p++] = GLX_TRANSPARENT_INDEX_VALUE_EXT;
- buf[p++] = pGlxVisual->transparentIndex;
- buf[p++] = GLX_SAMPLES_SGIS;
- buf[p++] = pGlxVisual->multiSampleSize;
- buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
- buf[p++] = pGlxVisual->nMultiSampleBuffers;
- buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
- buf[p++] = pGlxVisual->visualSelectGroup;
-
- WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_TOTAL_CONFIG,
- (char *)buf);
- }
- return Success;
-}
-
-/*
-** Create a GLX Pixmap from an X Pixmap.
-*/
-static int CreateGLXPixmap(__GLXclientState *cl,
- VisualID visual, GLXFBConfigID fbconfigId,
- int screenNum, XID pixmapId, XID glxpixmapId )
-{
- ClientPtr client = cl->client;
- xGLXCreateGLXPixmapReq *be_req;
- xGLXCreatePixmapReq *be_new_req;
- DrawablePtr pDraw;
- ScreenPtr pScreen;
- VisualPtr pVisual;
- __GLXpixmap *pGlxPixmap;
- __GLXscreenInfo *pGlxScreen;
- __GLXvisualConfig *pGlxVisual;
- __GLXFBConfig *pFBConfig;
- int i, s, rc;
- int from_screen, to_screen;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
-#endif
-
- rc = dixLookupDrawable(&pDraw, pixmapId, client, M_DRAWABLE_PIXMAP,
- DixAddAccess);
- if (rc != Success)
- return rc;
-
- /*
- ** Check if screen of visual matches screen of pixmap.
- */
- pScreen = pDraw->pScreen;
- if (screenNum != pScreen->myNum) {
- return BadMatch;
- }
-
- if (fbconfigId == 0 && visual == 0) {
- return BadValue;
- }
-
- if (fbconfigId != None) {
- pFBConfig = glxLookupFBConfig( fbconfigId );
- if (!pFBConfig) {
- client->errorValue = fbconfigId;
- return BadValue;
- }
- visual = pFBConfig->associatedVisualId;
- }
- else {
- pFBConfig = NULL;
- }
-
- if (visual != None) {
- /*
- ** Find the VisualRec for this visual.
- */
- pVisual = pScreen->visuals;
- for (i=0; i < pScreen->numVisuals; i++, pVisual++) {
- if (pVisual->vid == visual) {
- break;
- }
- }
- if (i == pScreen->numVisuals) {
- client->errorValue = visual;
- return BadValue;
- }
- /*
- ** Check if depth of visual matches depth of pixmap.
- */
- if (pVisual->nplanes != pDraw->depth) {
- client->errorValue = visual;
- return BadMatch;
- }
-
- /*
- ** Get configuration of the visual.
- */
- pGlxScreen = &__glXActiveScreens[screenNum];
- pGlxVisual = pGlxScreen->pGlxVisual;
- for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
- if (pGlxVisual->vid == visual) {
- break;
- }
- }
- if (i == pGlxScreen->numVisuals) {
- /*
- ** Visual not support on this screen by this OpenGL implementation.
- */
- client->errorValue = visual;
- return BadValue;
- }
-
-
- /* find the FBConfig for that visual (if any) */
- if ( pFBConfig == NULL ) {
- pFBConfig = glxLookupFBConfigByVID( visual );
-
- if ( pFBConfig == NULL ) {
- /*
- * visual does not have an FBConfig ???
- client->errorValue = visual;
- return BadValue;
- */
- }
- }
- }
- else {
- pVisual = NULL;
- pGlxVisual = NULL;
- pGlxScreen = &__glXActiveScreens[pDraw->pScreen->myNum];
- }
-
- pGlxPixmap = (__GLXpixmap *) malloc(sizeof(__GLXpixmap));
- if (!pGlxPixmap) {
- return BadAlloc;
- }
- pGlxPixmap->be_xids = (XID *) malloc(sizeof(XID) * screenInfo.numScreens);
- if (!pGlxPixmap->be_xids) {
- free( pGlxPixmap );
- return BadAlloc;
- }
-
- pGlxPixmap->pDraw = pDraw;
- pGlxPixmap->pGlxScreen = pGlxScreen;
- pGlxPixmap->pGlxVisual = pGlxVisual;
- pGlxPixmap->pFBConfig = pFBConfig;
- pGlxPixmap->pScreen = pScreen;
- pGlxPixmap->idExists = True;
- pGlxPixmap->refcnt = 0;
-
- /*
- ** Bump the ref count on the X pixmap so it won't disappear.
- */
- ((PixmapPtr) pDraw)->refcnt++;
-
- /*
- * send the request to the back-end server(s)
- */
- from_screen = to_screen = screenNum;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
-
- dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
-
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- Pixmap be_pixmap;
- DrawablePtr pRealDraw = pDraw;
-
-#ifdef PANORAMIX
- if (pXinDraw) {
- dixLookupDrawable(&pRealDraw, pXinDraw->info[s].id, client, 0,
- DixAddAccess);
- }
-#endif
-
- be_pixmap = (DMX_GET_PIXMAP_PRIV((PixmapPtr)pRealDraw))->pixmap;
-
- /* make sure pixmap already created on back-end */
- dmxSync( dmxScreen, 1 );
-
- if ( pFBConfig && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
-
- LockDisplay(dpy);
- pGlxPixmap->be_xids[s] = XAllocID(dpy);
- GetReq(GLXCreatePixmap,be_new_req);
- be_new_req->reqType = dmxScreen->glxMajorOpcode;
- be_new_req->glxCode = X_GLXCreatePixmap;
- be_new_req->screen = DefaultScreen(dpy);
- be_new_req->fbconfig = be_FBConfig->id;
- be_new_req->pixmap = (unsigned int)be_pixmap;
- be_new_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- be_new_req->numAttribs = 0;
- UnlockDisplay(dpy);
- SyncHandle();
- }
- else if (pFBConfig && glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
- __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
- xGLXCreateGLXPixmapWithConfigSGIXReq *ext_req;
- xGLXVendorPrivateReq *vpreq;
-
- LockDisplay(dpy);
- pGlxPixmap->be_xids[s] = XAllocID(dpy);
- GetReqExtra(GLXVendorPrivate,
- sz_xGLXCreateGLXPixmapWithConfigSGIXReq-sz_xGLXVendorPrivateReq,
- vpreq);
- ext_req = (xGLXCreateGLXPixmapWithConfigSGIXReq *)vpreq;
- ext_req->reqType = dmxScreen->glxMajorOpcode;
- ext_req->glxCode = X_GLXVendorPrivate;
- ext_req->vendorCode = X_GLXvop_CreateGLXPixmapWithConfigSGIX;
- ext_req->screen = DefaultScreen(dpy);
- ext_req->fbconfig = be_FBConfig->id;
- ext_req->pixmap = (unsigned int)be_pixmap;
- ext_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
- else if (pGlxVisual) {
- LockDisplay(dpy);
- pGlxPixmap->be_xids[s] = XAllocID(dpy);
- GetReq(GLXCreateGLXPixmap,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCreateGLXPixmap;
- be_req->screen = DefaultScreen(dpy);
- be_req->visual = (unsigned int)glxMatchGLXVisualInConfigList(
- pGlxVisual,
- dmxScreen->glxVisuals,
- dmxScreen->numGlxVisuals );
- be_req->pixmap = (unsigned int)be_pixmap;
- be_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
- else {
- client->errorValue = ( visual ? visual : fbconfigId );
- free( pGlxPixmap );
- return BadValue;
- }
-
- XFlush( dpy );
- }
-
- if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) {
- free( pGlxPixmap );
- return BadAlloc;
- }
-
- return Success;
-}
-
-int __glXCreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
-
- return( CreateGLXPixmap(cl, req->visual, None,
- req->screen, req->pixmap, req->glxpixmap) );
-}
-
-int __glXCreatePixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
-
- return( CreateGLXPixmap(cl, None, req->fbconfig,
- req->screen, req->pixmap, req->glxpixmap) );
-}
-
-int __glXDestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
- XID glxpixmap = req->glxpixmap;
- __GLXpixmap *pGlxPixmap;
- int s;
- int from_screen, to_screen;
-
- /*
- ** Check if it's a valid GLX pixmap.
- */
- dixLookupResourceByType((pointer*) &pGlxPixmap, glxpixmap,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (!pGlxPixmap) {
- client->errorValue = glxpixmap;
- return __glXBadPixmap;
- }
- FreeResource(glxpixmap, FALSE);
-
- /*
- * destroy the pixmap on the back-end server(s).
- */
- from_screen = to_screen = pGlxPixmap->pDraw->pScreen->myNum;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- /* make sure pixmap exist in back-end */
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXDestroyGLXPixmap,req);
- req->reqType = dmxScreen->glxMajorOpcode;
- req->glxCode = X_GLXDestroyGLXPixmap;
- req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
-
- return Success;
-}
-
-/*****************************************************************************/
-
-/*
-** NOTE: There is no portable implementation for swap buffers as of
-** this time that is of value. Consequently, this code must be
-** implemented by somebody other than SGI.
-*/
-int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag)
-{
- ClientPtr client = cl->client;
- DrawablePtr pDraw;
- xGLXSwapBuffersReq *be_req;
- WindowPtr pWin = NULL;
- __GLXpixmap *pGlxPixmap = NULL;
- __GLXcontext *glxc = NULL;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
-#endif
- __glXWindow *pGlxWindow = NULL;
- int from_screen = 0;
- int to_screen = 0;
- int s, rc;
-
- /*
- ** Check that the GLX drawable is valid.
- */
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
- if (rc == Success) {
- from_screen = to_screen = pDraw->pScreen->myNum;
-
- if (pDraw->type == DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X window.
- */
- pWin = (WindowPtr)pDraw;
- } else {
- /*
- ** Drawable is an X pixmap, which is not allowed.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- /*
- ** Drawable is a GLX pixmap.
- */
- pDraw = pGlxPixmap->pDraw;
- from_screen = to_screen = pGlxPixmap->pScreen->myNum;
- }
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- /*
- ** Drawable is a GLXWindow.
- */
- pDraw = pGlxWindow->pDraw;
- from_screen = to_screen = pGlxWindow->pScreen->myNum;
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is neither a X window nor a GLX pixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc) {
- return __glXBadContextTag;
- }
- }
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess);
- }
-#endif
-
- /* If requested, send a glFinish to all back-end servers before swapping. */
- if (dmxGLXFinishSwap) {
- for (s=from_screen; s<=to_screen; s++) {
- Display *dpy = GetBackEndDisplay(cl,s);
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- xGLXSingleReq *finishReq;
- xGLXSingleReply reply;
-
-#define X_GLXSingle 0 /* needed by GetReq below */
-
- LockDisplay(dpy);
- GetReq(GLXSingle,finishReq);
- finishReq->reqType = dmxScreen->glxMajorOpcode;
- finishReq->glxCode = X_GLsop_Finish;
- finishReq->contextTag = (tag ? GetCurrentBackEndTag(cl,tag,s) : 0);
- (void) _XReply(dpy, (xReply*) &reply, 0, False);
- UnlockDisplay(dpy);
- SyncHandle();
- }
- }
-
- /* If requested, send an XSync to all back-end servers before swapping. */
- if (dmxGLXSyncSwap) {
- for (s=from_screen; s<=to_screen; s++)
- XSync(GetBackEndDisplay(cl,s), False);
- }
-
-
- /* send the SwapBuffers request to all back-end servers */
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- unsigned int be_draw = 0;
-
- if (pGlxPixmap) {
- be_draw = (unsigned int)pGlxPixmap->be_xids[s];
- }
-#ifdef PANORAMIX
- else if (pXinDraw) {
- dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
- }
-#endif
- else if (pGlxWindow) {
- pWin = (WindowPtr)pGlxWindow->pDraw;
- }
-
- if (pWin && !be_draw) {
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_draw) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
-
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXSwapBuffers,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXSwapBuffers;
- be_req->drawable = be_draw;
- be_req->contextTag = ( tag ? GetCurrentBackEndTag(cl,tag,s) : 0 );
- UnlockDisplay(dpy);
- SyncHandle();
- XFlush(dpy);
- }
-
- return Success;
-}
-
-int __glXSwapBuffers(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- DrawablePtr pDraw;
- xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
- GLXContextTag tag = req->contextTag;
- XID drawId = req->drawable;
- __GLXpixmap *pGlxPixmap = NULL;
- __GLXcontext *glxc = NULL;
- __glXWindow *pGlxWindow = NULL;
- int rc;
-
- /*
- ** Check that the GLX drawable is valid.
- */
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
- if (rc == Success) {
- if (pDraw->type != DRAWABLE_WINDOW) {
- /*
- ** Drawable is an X pixmap, which is not allowed.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
- if (!pDraw) {
- dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
- __glXPixmapRes, NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- /*
- ** Drawable is a GLX pixmap.
- */
- pDraw = pGlxPixmap->pDraw;
- }
- }
-
- if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
- dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
- __glXWindowRes, NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- /*
- ** Drawable is a GLXWindow.
- */
- pDraw = pGlxWindow->pDraw;
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is neither a X window nor a GLX pixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc) {
- return __glXBadContextTag;
- }
- }
-
- if (pDraw &&
- pDraw->type == DRAWABLE_WINDOW &&
- DMX_GET_WINDOW_PRIV((WindowPtr)pDraw)->swapGroup) {
- return SGSwapBuffers(cl, drawId, tag, pDraw);
- }
-
- return __glXDoSwapBuffers(cl, drawId, tag);
-}
-
-
-/************************************************************************/
-
-/*
-** Render and Renderlarge are not in the GLX API. They are used by the GLX
-** client library to send batches of GL rendering commands.
-*/
-
-/*
-** Execute all the drawing commands in a request.
-*/
-int __glXRender(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXRenderReq *req;
- xGLXRenderReq *be_req;
- int size;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- /*
- ** NOTE: much of this code also appears in the byteswapping version of this
- ** routine, __glXSwapRender(). Any changes made here should also be
- ** duplicated there.
- */
-
- req = (xGLXRenderReq *) pc;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXRenderReq;
- size = (req->length << 2) - sz_xGLXRenderReq;
-
- /*
- * just forward the request to back-end server(s)
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXRender,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXRender;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- _XSend(dpy, (const char *)pc, size);
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-/*
-** Execute a large rendering request (one that spans multiple X requests).
-*/
-int __glXRenderLarge(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXRenderLargeReq *req;
- xGLXRenderLargeReq *be_req;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- /*
- ** NOTE: much of this code also appears in the byteswapping version of this
- ** routine, __glXSwapRenderLarge(). Any changes made here should also be
- ** duplicated there.
- */
-
- req = (xGLXRenderLargeReq *) pc;
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXRenderLargeReq;
-
- /*
- * just forward the request to back-end server(s)
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- GetReq(GLXRenderLarge,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXRenderLarge;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- be_req->length = req->length;
- be_req->requestNumber = req->requestNumber;
- be_req->requestTotal = req->requestTotal;
- be_req->dataBytes = req->dataBytes;
- Data(dpy, (const char *)pc, req->dataBytes);
- UnlockDisplay(dpy);
- SyncHandle();
-
- }
-
- return Success;
-}
-
-
-/************************************************************************/
-
-int __glXVendorPrivate(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateReq *req;
-
- req = (xGLXVendorPrivateReq *) pc;
-
- switch( req->vendorCode ) {
-
- case X_GLvop_DeleteTexturesEXT:
- return __glXVForwardSingleReq( cl, pc );
- break;
-
- case X_GLXvop_SwapIntervalSGI:
- if (glxIsExtensionSupported("SGI_swap_control")) {
- return __glXVForwardSingleReq( cl, pc );
- }
- else {
- return Success;
- }
- break;
-
-#if 0 /* glx 1.3 */
- case X_GLXvop_CreateGLXVideoSourceSGIX:
- break;
- case X_GLXvop_DestroyGLXVideoSourceSGIX:
- break;
- case X_GLXvop_CreateGLXPixmapWithConfigSGIX:
- break;
- case X_GLXvop_DestroyGLXPbufferSGIX:
- break;
- case X_GLXvop_ChangeDrawableAttributesSGIX:
- break;
-#endif
-
- case X_GLXvop_BindSwapBarrierSGIX:
- return __glXBindSwapBarrierSGIX( cl, pc );
- break;
-
- case X_GLXvop_JoinSwapGroupSGIX:
- return __glXJoinSwapGroupSGIX( cl, pc );
- break;
-
- case X_GLXvop_CreateContextWithConfigSGIX:
- return __glXCreateContextWithConfigSGIX( cl, pc );
- break;
-
- default:
- /*
- ** unsupported private request
- */
- cl->client->errorValue = req->vendorCode;
- return __glXUnsupportedPrivateRequest;
- }
-
- cl->client->errorValue = req->vendorCode;
- return __glXUnsupportedPrivateRequest;
-
-}
-
-int __glXVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateWithReplyReq *req;
-
- req = (xGLXVendorPrivateWithReplyReq *) pc;
-
- switch( req->vendorCode ) {
-
- case X_GLvop_GetConvolutionFilterEXT:
- case X_GLvop_GetConvolutionParameterfvEXT:
- case X_GLvop_GetConvolutionParameterivEXT:
- case X_GLvop_GetSeparableFilterEXT:
- case X_GLvop_GetHistogramEXT:
- case X_GLvop_GetHistogramParameterivEXT:
- case X_GLvop_GetMinmaxEXT:
- case X_GLvop_GetMinmaxParameterfvEXT:
- case X_GLvop_GetMinmaxParameterivEXT:
- case X_GLvop_AreTexturesResidentEXT:
- case X_GLvop_IsTextureEXT:
- return( __glXVForwardPipe0WithReply(cl, pc) );
- break;
-
- case X_GLvop_GenTexturesEXT:
- return( __glXVForwardAllWithReply(cl, pc) );
- break;
-
-
-#if 0 /* glx1.3 */
- case X_GLvop_GetDetailTexFuncSGIS:
- case X_GLvop_GetSharpenTexFuncSGIS:
- case X_GLvop_GetColorTableSGI:
- case X_GLvop_GetColorTableParameterfvSGI:
- case X_GLvop_GetColorTableParameterivSGI:
- case X_GLvop_GetTexFilterFuncSGIS:
- case X_GLvop_GetInstrumentsSGIX:
- case X_GLvop_InstrumentsBufferSGIX:
- case X_GLvop_PollInstrumentsSGIX:
- case X_GLvop_FlushRasterSGIX:
- case X_GLXvop_CreateGLXPbufferSGIX:
- case X_GLXvop_GetDrawableAttributesSGIX:
- case X_GLXvop_QueryHyperpipeNetworkSGIX:
- case X_GLXvop_QueryHyperpipeConfigSGIX:
- case X_GLXvop_HyperpipeConfigSGIX:
- case X_GLXvop_DestroyHyperpipeConfigSGIX:
-#endif
- case X_GLXvop_QueryMaxSwapBarriersSGIX:
- return( __glXQueryMaxSwapBarriersSGIX(cl, pc) );
- break;
-
- case X_GLXvop_GetFBConfigsSGIX:
- return( __glXGetFBConfigsSGIX(cl, pc) );
- break;
-
- case X_GLXvop_MakeCurrentReadSGI:
- return( __glXMakeCurrentReadSGI(cl, pc) );
- break;
-
- case X_GLXvop_QueryContextInfoEXT:
- return( __glXQueryContextInfoEXT(cl,pc) );
- break;
-
- default:
- /*
- ** unsupported private request
- */
- cl->client->errorValue = req->vendorCode;
- return __glXUnsupportedPrivateRequest;
- }
-
-}
-
-int __glXQueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;
- xGLXQueryExtensionsStringReply reply;
- GLint screen;
- size_t length;
- int len, numbytes;
- char *be_buf;
-
-#ifdef FWD_QUERY_REQ
- xGLXQueryExtensionsStringReq *be_req;
- xGLXQueryExtensionsStringReply be_reply;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
- int slop;
-#endif
-
- screen = req->screen;
-
- /*
- ** Check if screen exists.
- */
- if ((screen < 0) || (screen >= screenInfo.numScreens)) {
- client->errorValue = screen;
- return BadValue;
- }
-
-#ifdef FWD_QUERY_REQ
- dmxScreen = &dmxScreens[screen];
-
- /* Send the glXQueryServerString request */
- dpy = GetBackEndDisplay(cl,screen);
- LockDisplay(dpy);
- GetReq(GLXQueryExtensionsString,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXQueryServerString;
- be_req->screen = DefaultScreen(dpy);
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- len = (int)be_reply.length;
- numbytes = (int)be_reply.n;
- slop = numbytes * __GLX_SIZE_INT8 & 3;
- be_buf = (char *)malloc(numbytes);
- if (!be_buf) {
- /* Throw data on the floor */
- _XEatData(dpy, len);
- } else {
- _XRead(dpy, (char *)be_buf, numbytes);
- if (slop) _XEatData(dpy,4-slop);
- }
- UnlockDisplay(dpy);
- SyncHandle();
-
-#else
-
- be_buf = __glXGetServerString(GLX_EXTENSIONS);
- numbytes = strlen(be_buf) + 1;
- len = __GLX_PAD(numbytes) >> 2;
-
-#endif
-
- length = len;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = len;
- reply.n = numbytes;
-
- if (client->swapped) {
- glxSwapQueryExtensionsStringReply(client, &reply, be_buf);
- } else {
- WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);
- WriteToClient(client, (int)(length << 2), (char *)be_buf);
- }
-
- return Success;
-}
-
-int __glXQueryServerString(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;
- xGLXQueryServerStringReply reply;
- int name;
- GLint screen;
- size_t length;
- int len, numbytes;
- char *be_buf;
-#ifdef FWD_QUERY_REQ
- xGLXQueryServerStringReq *be_req;
- xGLXQueryServerStringReply be_reply;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
- int slop;
-#endif
-
- name = req->name;
- screen = req->screen;
- /*
- ** Check if screen exists.
- */
- if ((screen < 0) || (screen >= screenInfo.numScreens)) {
- client->errorValue = screen;
- return BadValue;
- }
-
-#ifdef FWD_QUERY_REQ
- dmxScreen = &dmxScreens[screen];
-
- /* Send the glXQueryServerString request */
- dpy = GetBackEndDisplay(cl,screen);
- LockDisplay(dpy);
- GetReq(GLXQueryServerString,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXQueryServerString;
- be_req->screen = DefaultScreen(dpy);
- be_req->name = name;
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- len = (int)be_reply.length;
- numbytes = (int)be_reply.n;
- slop = numbytes * __GLX_SIZE_INT8 & 3;
- be_buf = (char *)malloc(numbytes);
- if (!be_buf) {
- /* Throw data on the floor */
- _XEatData(dpy, len);
- } else {
- _XRead(dpy, (char *)be_buf, numbytes);
- if (slop) _XEatData(dpy,4-slop);
- }
- UnlockDisplay(dpy);
- SyncHandle();
-
-#else
- be_buf = __glXGetServerString(name);
- numbytes = strlen(be_buf) + 1;
- len = __GLX_PAD(numbytes) >> 2;
-#endif
-
- length = len;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = length;
- reply.n = numbytes;
-
- if (client->swapped) {
- glxSwapQueryServerStringReply(client, &reply, be_buf);
- } else {
- WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);
- WriteToClient(client, (int)(length << 2), be_buf);
- }
-
- return Success;
-}
-
-int __glXClientInfo(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;
- xGLXClientInfoReq *be_req;
- const char *buf;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- cl->GLClientmajorVersion = req->major;
- cl->GLClientminorVersion = req->minor;
- free(cl->GLClientextensions);
- buf = (const char *)(req+1);
- cl->GLClientextensions = strdup(buf);
-
- to_screen = screenInfo.numScreens - 1;
-
- for (s=from_screen; s<=to_screen; s++)
- {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReq(GLXClientInfo,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXClientInfo;
- be_req->major = req->major;
- be_req->minor = req->minor;
- be_req->length = req->length;
- be_req->numbytes = req->numbytes;
- Data(dpy, buf, req->numbytes);
-
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-int __glXUseXFont(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXUseXFontReq *req;
- xGLXUseXFontReq *be_req;
- FontPtr pFont;
- __GLXcontext *glxc = NULL;
- int from_screen = 0;
- int to_screen = 0;
- int s;
- dmxFontPrivPtr pFontPriv;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- req = (xGLXUseXFontReq *) pc;
-
- if (req->contextTag != 0) {
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (glxc) {
- from_screen = to_screen = glxc->pScreen->myNum;
- }
- }
-
- /*
- ** Font can actually be either the ID of a font or the ID of a GC
- ** containing a font.
- */
- dixLookupResourceByType((pointer*) &pFont, req->font, RT_FONT,
- NullClient, DixUnknownAccess);
- if (!pFont) {
- GC *pGC;
- dixLookupResourceByType((pointer*) &pGC, req->font,
- RT_GC, NullClient,
- DixUnknownAccess);
- if (!pGC) {
- client->errorValue = req->font;
- return BadFont;
- }
- pFont = pGC->font;
- }
-
- pFontPriv = FontGetPrivate(pFont, dmxFontPrivateIndex);
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
-
- for (s=from_screen; s<=to_screen; s++) {
- dmxScreen = &dmxScreens[s];
- dpy = GetBackEndDisplay(cl,s);
-
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXUseXFont,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXUseXFont;
- be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
- be_req->font = pFontPriv->font[s]->fid;
- be_req->first = req->first;
- be_req->count = req->count;
- be_req->listBase = req->listBase;
- UnlockDisplay(dpy);
- SyncHandle();
-
- XSync( dpy, False );
- }
-
- return Success;
-}
-
-/*
- * start GLX 1.3 here
- */
-
-int __glXGetFBConfigs(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
- xGLXGetFBConfigsReply reply;
- __GLXFBConfig *pFBConfig;
- CARD32 buf[2 * __GLX_TOTAL_FBCONFIG_PROPS];
- int numAttribs = __GLX_TOTAL_FBCONFIG_PROPS;
- unsigned int screen = req->screen;
- int numFBConfigs, i, p;
- __GLXscreenInfo *pGlxScreen;
-
- if (screen >= screenInfo.numScreens) {
- /* The client library must send a valid screen number. */
- client->errorValue = screen;
- return BadValue;
- }
-
- pGlxScreen = &__glXActiveScreens[screen];
- numFBConfigs = __glXNumFBConfigs;
-
- reply.numFBConfigs = numFBConfigs;
- reply.numAttribs = numAttribs;
- reply.length = (numFBConfigs * 2 * numAttribs * __GLX_SIZE_CARD32) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.numFBConfigs);
- __GLX_SWAP_INT(&reply.numAttribs);
- }
- WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);
-
- for (i=0; i < numFBConfigs; i++) {
- int associatedVisualId = 0;
- int drawableTypeIndex;
- pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1) ];
-
- p = 0;
- /* core attributes */
- buf[p++] = GLX_FBCONFIG_ID;
- buf[p++] = pFBConfig->id;
- buf[p++] = GLX_BUFFER_SIZE;
- buf[p++] = pFBConfig->indexBits;
- buf[p++] = GLX_LEVEL;
- buf[p++] = pFBConfig->level;
- buf[p++] = GLX_DOUBLEBUFFER;
- buf[p++] = pFBConfig->doubleBufferMode;
- buf[p++] = GLX_STEREO;
- buf[p++] = pFBConfig->stereoMode;
- buf[p++] = GLX_AUX_BUFFERS;
- buf[p++] = pFBConfig->maxAuxBuffers;
- buf[p++] = GLX_RED_SIZE;
- buf[p++] = pFBConfig->redBits;
- buf[p++] = GLX_GREEN_SIZE;
- buf[p++] = pFBConfig->greenBits;
- buf[p++] = GLX_BLUE_SIZE;
- buf[p++] = pFBConfig->blueBits;
- buf[p++] = GLX_ALPHA_SIZE;
- buf[p++] = pFBConfig->alphaBits;
- buf[p++] = GLX_DEPTH_SIZE;
- buf[p++] = pFBConfig->depthBits;
- buf[p++] = GLX_STENCIL_SIZE;
- buf[p++] = pFBConfig->stencilBits;
- buf[p++] = GLX_ACCUM_RED_SIZE;
- buf[p++] = pFBConfig->accumRedBits;
- buf[p++] = GLX_ACCUM_GREEN_SIZE;
- buf[p++] = pFBConfig->accumGreenBits;
- buf[p++] = GLX_ACCUM_BLUE_SIZE;
- buf[p++] = pFBConfig->accumBlueBits;
- buf[p++] = GLX_ACCUM_ALPHA_SIZE;
- buf[p++] = pFBConfig->accumAlphaBits;
- buf[p++] = GLX_RENDER_TYPE;
- buf[p++] = pFBConfig->renderType;
- buf[p++] = GLX_DRAWABLE_TYPE;
- drawableTypeIndex = p;
- buf[p++] = pFBConfig->drawableType;
- buf[p++] = GLX_X_VISUAL_TYPE;
- buf[p++] = pFBConfig->visualType;
- buf[p++] = GLX_CONFIG_CAVEAT;
- buf[p++] = pFBConfig->visualCaveat;
- buf[p++] = GLX_TRANSPARENT_TYPE;
- buf[p++] = pFBConfig->transparentType;
- buf[p++] = GLX_TRANSPARENT_RED_VALUE;
- buf[p++] = pFBConfig->transparentRed;
- buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;
- buf[p++] = pFBConfig->transparentGreen;
- buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;
- buf[p++] = pFBConfig->transparentBlue;
- buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;
- buf[p++] = pFBConfig->transparentAlpha;
- buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;
- buf[p++] = pFBConfig->transparentIndex;
- buf[p++] = GLX_MAX_PBUFFER_WIDTH;
- buf[p++] = pFBConfig->maxPbufferWidth;
- buf[p++] = GLX_MAX_PBUFFER_HEIGHT;
- buf[p++] = pFBConfig->maxPbufferHeight;
- buf[p++] = GLX_MAX_PBUFFER_PIXELS;
- buf[p++] = pFBConfig->maxPbufferPixels;
-
- /*
- * find the visual of the back-end server and match a visual
- * on the proxy.
- * do only once - if a visual is not yet associated.
- */
- if (pFBConfig->associatedVisualId == (unsigned int)-1) {
- DMXScreenInfo *dmxScreen = &dmxScreens[screen];
- __GLXFBConfig *be_pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1)+screen+1 ];
- __GLXvisualConfig *pGlxVisual = NULL;
- int v;
- int found = 0;
- for (v=0; v<dmxScreen->numGlxVisuals; v++) {
- if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) {
- pGlxVisual = &dmxScreen->glxVisuals[v];
- break;
- }
- }
-
- if (pGlxVisual) {
- for (v=0; v<pGlxScreen->numVisuals; v++) {
- if (glxVisualsMatch(&pGlxScreen->pGlxVisual[v], pGlxVisual)) {
- associatedVisualId = pGlxScreen->pGlxVisual[v].vid;
- found = 1;
- break;
- }
- }
- }
-
- if (!found) {
- associatedVisualId = 0;
- pFBConfig->drawableType &= ~(GLX_WINDOW_BIT);
- buf[drawableTypeIndex] = pFBConfig->drawableType;
- }
-#ifdef PANORAMIX
- else if (!noPanoramiXExtension) {
- /* convert the associated visualId to the panoramix one */
- pFBConfig->associatedVisualId =
- PanoramiXTranslateVisualID(screen, v);
- }
-#endif
- }
- else {
- associatedVisualId = pFBConfig->associatedVisualId;
- }
-
- buf[p++] = GLX_VISUAL_ID;
- buf[p++] = associatedVisualId;
-
- /* SGIS_multisample attributes */
- buf[p++] = GLX_SAMPLES_SGIS;
- buf[p++] = pFBConfig->multiSampleSize;
- buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
- buf[p++] = pFBConfig->nMultiSampleBuffers;
-
- /* SGIX_pbuffer specific attributes */
- buf[p++] = GLX_OPTIMAL_PBUFFER_WIDTH_SGIX;
- buf[p++] = pFBConfig->optimalPbufferWidth;
- buf[p++] = GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX;
- buf[p++] = pFBConfig->optimalPbufferHeight;
-
- buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
- buf[p++] = pFBConfig->visualSelectGroup;
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
- __GLX_SWAP_INT_ARRAY((int *)buf, 2*numAttribs);
- }
- WriteToClient(client, 2*numAttribs * __GLX_SIZE_CARD32, (char *)buf);
- }
- return Success;
-}
-
-int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)pc;
- xGLXGetFBConfigsReq new_req;
-
- new_req.reqType = req->reqType;
- new_req.glxCode = req->glxCode;
- new_req.length = req->length;
- new_req.screen = req->screen;
-
- return( __glXGetFBConfigs( cl, (GLbyte *)&new_req ) );
-}
-
-
-int __glXCreateWindow(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
- int screen = req->screen;
- GLXFBConfigID fbconfigId = req->fbconfig;
- XID windowId = req->window;
- XID glxwindowId = req->glxwindow;
- DrawablePtr pDraw;
- ScreenPtr pScreen;
- __glXWindow *pGlxWindow;
- __GLXFBConfig *pGlxFBConfig = NULL;
- VisualPtr pVisual;
- VisualID visId;
- int i, rc;
- pointer val;
-
- /*
- ** Check if windowId is valid
- */
- rc = dixLookupDrawable(&pDraw, windowId, client, M_DRAWABLE_WINDOW,
- DixAddAccess);
- if (rc != Success)
- return rc;
-
- /*
- ** Check if screen of window matches screen of fbconfig.
- */
- pScreen = pDraw->pScreen;
- if (screen != pScreen->myNum) {
- return BadMatch;
- }
-
- /*
- ** Find the FBConfigRec for this fbconfigid.
- */
- if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
- client->errorValue = fbconfigId;
- return __glXBadFBConfig;
- }
- visId = pGlxFBConfig->associatedVisualId;
-
- /*
- ** Check if the fbconfig supports rendering to windows
- */
- if( !(pGlxFBConfig->drawableType & GLX_WINDOW_BIT) ) {
- return BadMatch;
- }
-
- if (visId != None) {
- /*
- ** Check if the visual ID is valid for this screen.
- */
- pVisual = pScreen->visuals;
- for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
- if (pVisual->vid == visId) {
- break;
- }
- }
- if (i == pScreen->numVisuals) {
- client->errorValue = visId;
- return BadValue;
- }
-
- /*
- ** Check if color buffer depth of fbconfig matches depth
- ** of window.
- */
- if (pVisual->nplanes != pDraw->depth) {
- return BadMatch;
- }
- } else
- /*
- ** The window was created with no visual that corresponds
- ** to fbconfig
- */
- return BadMatch;
-
- /*
- ** Check if there is already a fbconfig associated with this window
- */
- if (Success == dixLookupResourceByType(&val,
- glxwindowId, __glXWindowRes,
- NullClient, DixUnknownAccess)) {
- client->errorValue = glxwindowId;
- return BadAlloc;
- }
-
- pGlxWindow = (__glXWindow *) malloc(sizeof(__glXWindow));
- if (!pGlxWindow) {
- return BadAlloc;
- }
-
- /*
- ** Register this GLX window as a resource
- */
- if (!(AddResource(glxwindowId, __glXWindowRes, pGlxWindow))) {
- return BadAlloc;
- }
-
- pGlxWindow->pDraw = pDraw;
- pGlxWindow->type = GLX_GLXWINDOW_TYPE;
- pGlxWindow->idExists = True;
- pGlxWindow->refcnt = 0;
- pGlxWindow->pGlxFBConfig = pGlxFBConfig;
- pGlxWindow->pScreen = pScreen;
-
- return Success;
-}
-
-int __glXDestroyWindow(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
- XID glxwindow = req->glxwindow;
- pointer val;
-
- /*
- ** Check if it's a valid GLX window.
- */
- if (Success != dixLookupResourceByType(&val,
- glxwindow, __glXWindowRes,
- NullClient, DixUnknownAccess)) {
- client->errorValue = glxwindow;
- return __glXBadDrawable;
- }
- /*
- ** The glx window destructor will check whether it's current before
- ** freeing anything.
- */
- FreeResource(glxwindow, RT_NONE);
-
- return Success;
-}
-
-int __glXQueryContext(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- __GLXcontext *ctx;
- xGLXQueryContextReq *req;
- xGLXQueryContextReply reply;
- int nProps;
- int *sendBuf, *pSendBuf;
- int nReplyBytes;
-
- req = (xGLXQueryContextReq *)pc;
- dixLookupResourceByType((pointer*) &ctx, req->context, __glXContextRes,
- NullClient, DixUnknownAccess);
- if (!ctx) {
- client->errorValue = req->context;
- return __glXBadContext;
- }
-
- nProps = 3;
-
- reply.length = nProps << 1;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.n = nProps;
-
- nReplyBytes = reply.length << 2;
- sendBuf = (int *)malloc(nReplyBytes);
- pSendBuf = sendBuf;
- *pSendBuf++ = GLX_FBCONFIG_ID;
- *pSendBuf++ = (int)(ctx->pFBConfig->id);
- *pSendBuf++ = GLX_RENDER_TYPE;
- *pSendBuf++ = (int)(ctx->pFBConfig->renderType);
- *pSendBuf++ = GLX_SCREEN;
- *pSendBuf++ = (int)(ctx->pScreen->myNum);
-
- if (client->swapped) {
- __glXSwapQueryContextReply(client, &reply, sendBuf);
- } else {
- WriteToClient(client, sz_xGLXQueryContextReply, (char *)&reply);
- WriteToClient(client, nReplyBytes, (char *)sendBuf);
- }
- free((char *)sendBuf);
-
- return Success;
-}
-
-int __glXQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- __GLXcontext *ctx;
- xGLXQueryContextInfoEXTReq *req;
- xGLXQueryContextInfoEXTReply reply;
- int nProps;
- int *sendBuf, *pSendBuf;
- int nReplyBytes;
-
- req = (xGLXQueryContextInfoEXTReq *)pc;
- dixLookupResourceByType((pointer*) &ctx,
- req->context, __glXContextRes,
- client, DixReadAccess);
-
- if (!ctx) {
- client->errorValue = req->context;
- return __glXBadContext;
- }
-
- nProps = 4;
-
- reply.length = nProps << 1;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.n = nProps;
-
- nReplyBytes = reply.length << 2;
- sendBuf = (int *)malloc(nReplyBytes);
- pSendBuf = sendBuf;
- *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;
- *pSendBuf++ = (int)(ctx->share_id);
- *pSendBuf++ = GLX_VISUAL_ID_EXT;
- *pSendBuf++ = (int)(ctx->pVisual ? ctx->pVisual->vid : 0);
- *pSendBuf++ = GLX_SCREEN_EXT;
- *pSendBuf++ = (int)(ctx->pScreen->myNum);
- *pSendBuf++ = GLX_FBCONFIG_ID;
- *pSendBuf++ = (int)(ctx->pFBConfig ? ctx->pFBConfig->id : 0);
-
- if (client->swapped) {
- __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);
- } else {
- WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);
- WriteToClient(client, nReplyBytes, (char *)sendBuf);
- }
- free((char *)sendBuf);
-
- return Success;
-}
-
-int __glXCreatePbuffer(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *)pc;
- xGLXCreatePbufferReq *be_req;
- int screen = req->screen;
- GLXFBConfigID fbconfigId = req->fbconfig;
- GLXPbuffer pbuffer = req->pbuffer;
- __glXPbuffer *pGlxPbuffer;
- int numAttribs = req->numAttribs;
- int *attr;
- ScreenPtr pScreen;
- __GLXFBConfig *pGlxFBConfig;
- __GLXFBConfig *be_pGlxFBConfig;
- XID be_xid;
- Display *dpy;
- DMXScreenInfo *dmxScreen;
- int s;
- int from_screen, to_screen;
-
- /*
- ** Look up screen and FBConfig.
- */
- if (screen >= screenInfo.numScreens) {
- /* The client library must send a valid screen number. */
- client->errorValue = screen;
- return BadValue;
- }
- pScreen = screenInfo.screens[screen];
-
- /*
- ** Find the FBConfigRec for this fbconfigid.
- */
- if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
- client->errorValue = fbconfigId;
- return __glXBadFBConfig;
- }
-
- /*
- ** Create the GLX part of the Pbuffer.
- */
- pGlxPbuffer = (__glXPbuffer *) malloc(sizeof(__glXPbuffer));
- if (!pGlxPbuffer) {
- return BadAlloc;
- }
-
- pGlxPbuffer->be_xids = (XID *) malloc( sizeof(XID) * screenInfo.numScreens );
- if (!pGlxPbuffer->be_xids) {
- free(pGlxPbuffer);
- return BadAlloc;
- }
-
- /*
- * Allocate an XID on the back-end server(s) and send him the request
- */
- from_screen = to_screen = screen;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- dpy = GetBackEndDisplay(cl,s);
- be_xid = XAllocID(dpy);
- dmxScreen = &dmxScreens[s];
- be_pGlxFBConfig = glxLookupBackEndFBConfig( pGlxFBConfig->id, s );
-
- attr = (int *)( req+1 );
-
- LockDisplay(dpy);
- GetReqExtra(GLXCreatePbuffer, 2 * numAttribs * __GLX_SIZE_CARD32, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXCreatePbuffer;
- be_req->screen = be_pGlxFBConfig->screen;
- be_req->fbconfig = be_pGlxFBConfig->id;
- be_req->pbuffer = be_xid;
- be_req->numAttribs = numAttribs;
-
- /* Send attributes */
- if ( attr != NULL ) {
- CARD32 *pc = (CARD32 *)(be_req + 1);
-
- while (numAttribs-- > 0) {
- *pc++ = *attr++; /* token */
- *pc++ = *attr++; /* value */
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- pGlxPbuffer->be_xids[s] = be_xid;
- }
-
-
- pGlxPbuffer->idExists = True;
- pGlxPbuffer->refcnt = 0;
- pGlxPbuffer->pFBConfig = pGlxFBConfig;
- pGlxPbuffer->pScreen = pScreen;
-
- /*
- ** Register the resource.
- */
- if (!(AddResource(pbuffer, __glXPbufferRes, pGlxPbuffer))) {
- return BadAlloc;
- }
-
- return Success;
-
-}
-
-int __glXDestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
- xGLXDestroyPbufferReq *be_req;
- GLXPbuffer pbuffer = req->pbuffer;
- Display *dpy;
- int screen;
- DMXScreenInfo *dmxScreen;
- __glXPbuffer *pGlxPbuffer;
- int s;
- int from_screen, to_screen;
-
- /*
- ** Check if it's a valid Pbuffer
- */
- dixLookupResourceByType((pointer*) &pGlxPbuffer, pbuffer,
- __glXPbufferRes, NullClient, DixUnknownAccess);
- if (!pGlxPbuffer) {
- client->errorValue = pbuffer;
- return __glXBadPbuffer;
- }
-
- screen = pGlxPbuffer->pScreen->myNum;
-
- from_screen = to_screen = screen;
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- for (s=from_screen; s<=to_screen; s++) {
- dpy = GetBackEndDisplay(cl,s);
- dmxScreen = &dmxScreens[s];
-
- /* send the destroy request to the back-end server */
- LockDisplay(dpy);
- GetReq(GLXDestroyPbuffer, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXDestroyPbuffer;
- be_req->pbuffer = pGlxPbuffer->be_xids[s];
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- FreeResource(pbuffer, RT_NONE);
-
- return Success;
-}
-
-int __glXGetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
- xGLXGetDrawableAttributesReq *be_req;
- xGLXGetDrawableAttributesReply reply;
- ClientPtr client = cl->client;
- GLXDrawable drawId = req->drawable;
- GLXDrawable be_drawable = 0;
- DrawablePtr pDraw = NULL;
- Display *dpy;
- int screen, rc;
- DMXScreenInfo *dmxScreen;
- CARD32 *attribs = NULL;
- int attribs_size = 0;
-#ifdef PANORAMIX
- PanoramiXRes *pXinDraw = NULL;
-#endif
-
- if (drawId != None) {
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
- if (rc == Success && pDraw->type == DRAWABLE_WINDOW) {
- WindowPtr pWin = (WindowPtr)pDraw;
- be_drawable = 0;
- screen = pWin->drawable.pScreen->myNum;
- } else {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- if (!pDraw) {
- __GLXpixmap *pGlxPixmap;
- dixLookupResourceByType((pointer*) &pGlxPixmap,
- drawId, __glXPixmapRes,
- NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- pDraw = pGlxPixmap->pDraw;
- screen = pGlxPixmap->pScreen->myNum;
- be_drawable = pGlxPixmap->be_xids[screen];
- }
- }
-
- if (!pDraw) {
- __glXWindow *pGlxWindow;
- dixLookupResourceByType((pointer*) &pGlxWindow,
- drawId, __glXWindowRes,
- NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- pDraw = pGlxWindow->pDraw;
- screen = pGlxWindow->pScreen->myNum;
- be_drawable = 0;
- }
- }
-
- if (!pDraw) {
- __glXPbuffer *pGlxPbuffer;
- dixLookupResourceByType((pointer*) &pGlxPbuffer,
- drawId, __glXPbufferRes,
- NullClient, DixUnknownAccess);
- if (pGlxPbuffer) {
- pDraw = (DrawablePtr)pGlxPbuffer;
- screen = pGlxPbuffer->pScreen->myNum;
- be_drawable = pGlxPbuffer->be_xids[screen];
- }
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- /* if the drawable is a window or GLXWindow -
- * we need to find the base id on the back-end server
- */
- if (!be_drawable) {
- WindowPtr pWin = (WindowPtr)pDraw;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- if (Success != dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess)) {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
- DixReadAccess);
- }
-#endif
-
- if (pWin) {
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_drawable) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
- else {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
-
- /* send the request to the back-end server */
- dpy = GetBackEndDisplay(cl,screen);
- dmxScreen = &dmxScreens[screen];
-
- /* make sure drawable exists on back-end */
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReq(GLXGetDrawableAttributes, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXGetDrawableAttributes;
- be_req->drawable = be_drawable;
- be_req->length = req->length;
- if (!_XReply(dpy, (xReply *) &reply, 0, False)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
- }
-
- if (reply.numAttribs) {
- attribs_size = 2 * reply.numAttribs * __GLX_SIZE_CARD32;
- attribs = (CARD32 *) malloc(attribs_size);
- if (attribs == NULL) {
- UnlockDisplay(dpy);
- SyncHandle();
- return BadAlloc;
- }
-
- _XRead(dpy, (char *) attribs, attribs_size);
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
-
- /* send the reply back to the client */
- reply.sequenceNumber = client->sequence;
- if (client->swapped) {
- __glXSwapGetDrawableAttributesReply(client, &reply, (int *)attribs);
- }
- else {
- WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)&reply);
- WriteToClient(client, attribs_size, (char *)attribs);
- }
-
- free(attribs);
-
- return Success;
-}
-
-int __glXChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXChangeDrawableAttributesReq *req = (xGLXChangeDrawableAttributesReq *)pc;
- xGLXChangeDrawableAttributesReq *be_req;
- ClientPtr client = cl->client;
- GLXDrawable drawId = req->drawable;
- GLXDrawable be_drawable = 0;
- DrawablePtr pDraw = NULL;
- Display *dpy;
- int screen, rc;
- DMXScreenInfo *dmxScreen;
-
- if (drawId != None) {
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixSetAttrAccess);
- if (rc == Success && pDraw->type == DRAWABLE_WINDOW) {
- be_drawable = 0;
- screen = pDraw->pScreen->myNum;
- } else {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- if (!pDraw) {
- __GLXpixmap *pGlxPixmap;
- dixLookupResourceByType((pointer*) &pGlxPixmap,
- drawId, __glXPixmapRes,
- NullClient, DixUnknownAccess);
- if (pGlxPixmap) {
- pDraw = pGlxPixmap->pDraw;
- screen = pGlxPixmap->pScreen->myNum;
- be_drawable = pGlxPixmap->be_xids[screen];
- }
- }
-
- if (!pDraw) {
- __glXWindow *pGlxWindow;
- dixLookupResourceByType((pointer*) &pGlxWindow,
- drawId, __glXWindowRes,
- NullClient, DixUnknownAccess);
- if (pGlxWindow) {
- pDraw = pGlxWindow->pDraw;
- screen = pGlxWindow->pScreen->myNum;
- be_drawable = 0;
- }
- }
-
- if (!pDraw) {
- __glXPbuffer *pGlxPbuffer;
- dixLookupResourceByType((pointer*) &pGlxPbuffer,
- drawId, __glXPbufferRes,
- NullClient, DixUnknownAccess);
- if (pGlxPbuffer) {
- pDraw = (DrawablePtr)pGlxPbuffer;
- screen = pGlxPbuffer->pScreen->myNum;
- be_drawable = pGlxPbuffer->be_xids[screen];
- }
- }
- }
-
- if (!pDraw) {
- /*
- ** Drawable is not a Window , GLXWindow or a GLXPixmap.
- */
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- /* if the drawable is a window or GLXWindow -
- * we need to find the base id on the back-end server
- */
- if (!be_drawable) {
- WindowPtr pWin = (WindowPtr)pDraw;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- PanoramiXRes *pXinDraw;
- if (Success != dixLookupResourceByClass((pointer*) &pXinDraw,
- pDraw->id, XRC_DRAWABLE,
- client, DixReadAccess)) {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
-
- dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
- DixReadAccess);
- }
-#endif
-
- if (pWin) {
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- if (!be_drawable) {
- /* it might be that the window did not created yet on the */
- /* back-end server (lazy window creation option), force */
- /* creation of the window */
- dmxCreateAndRealizeWindow( pWin, TRUE );
- be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
- }
- }
- else {
- client->errorValue = drawId;
- return __glXBadDrawable;
- }
- }
-
-
- /* send the request to the back-end server */
- dpy = GetBackEndDisplay(cl,screen);
- dmxScreen = &dmxScreens[screen];
-
- /* make sure drawable exists on back-end */
- dmxSync( dmxScreen, 1 );
-
- LockDisplay(dpy);
- GetReqExtra(GLXChangeDrawableAttributes,
- 2 * req->numAttribs * __GLX_SIZE_CARD32, be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLXChangeDrawableAttributes;
- be_req->drawable = be_drawable;
- be_req->numAttribs = req->numAttribs;
- be_req->length = req->length;
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- return Success;
-}
-
-int __glXSendLargeCommand(__GLXclientState *cl, GLXContextTag contextTag)
-{
- ClientPtr client = cl->client;
- xGLXRenderLargeReq *req;
- GLint maxSize, amount;
- GLint totalRequests, requestNumber;
- GLint dataLen;
- GLbyte *data;
- __GLXcontext *glxc;
- int s;
- int from_screen, to_screen;
-
- maxSize = cl->largeCmdMaxReqDataSize - (GLint)sizeof(xGLXRenderLargeReq);
- dataLen = cl->largeCmdBytesTotal;
- totalRequests = (dataLen / maxSize);
- if (dataLen % maxSize) totalRequests++;
-
- glxc = __glXLookupContextByTag(cl, contextTag);
- if (!glxc) {
- client->errorValue = contextTag;
- return __glXBadContext;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- /*
- ** Send enough requests until the whole array is sent.
- */
- requestNumber = 1;
- data = cl->largeCmdBuf;
- while (dataLen > 0) {
- amount = dataLen;
- if (amount > maxSize) {
- amount = maxSize;
- }
-
- for (s=from_screen; s<=to_screen; s++) {
-
- Display *dpy = GetBackEndDisplay(cl,s);
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
-
- LockDisplay(dpy);
- GetReq(GLXRenderLarge,req);
- req->reqType = dmxScreen->glxMajorOpcode;
- req->glxCode = X_GLXRenderLarge;
- req->contextTag = GetCurrentBackEndTag(cl,contextTag,s);
- req->length += (amount + 3) >> 2;
- req->requestNumber = requestNumber++;
- req->requestTotal = totalRequests;
- req->dataBytes = amount;
- Data(dpy, ((const char*)data), amount);
- dataLen -= amount;
- data = ((GLbyte *) data) + amount;
- UnlockDisplay(dpy);
- SyncHandle();
- }
- }
-
- return Success;
-}
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
+ * 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 including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. 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.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+#include "dmxfont.h"
+#include "dmxsync.h"
+
+#include "glxserver.h"
+#include <GL/glxtokens.h>
+#include "g_disptab.h"
+#include <pixmapstr.h>
+#include <windowstr.h>
+#include "glxutil.h"
+#include "glxext.h"
+#include "unpack.h"
+
+#include "GL/glxproto.h"
+#include "glxvendor.h"
+#include "glxvisuals.h"
+#include "glxswap.h"
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+#endif
+
+extern __GLXFBConfig **__glXFBConfigs;
+extern int __glXNumFBConfigs;
+
+extern __GLXFBConfig *glxLookupFBConfig( GLXFBConfigID id );
+extern __GLXFBConfig *glxLookupFBConfigByVID( VisualID vid );
+extern __GLXFBConfig *glxLookupBackEndFBConfig( GLXFBConfigID id, int screen );
+extern int glxIsExtensionSupported( char *ext );
+extern int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc);
+
+#define BE_TO_CLIENT_ERROR(x) \
+ ( (x) >= __glXerrorBase ? \
+ (x) - dmxScreen->glxErrorBase + __glXerrorBase \
+ : (x) )
+
+Display *GetBackEndDisplay( __GLXclientState *cl, int s )
+{
+ if (! cl->be_displays[s] ) {
+ cl->be_displays[s] = XOpenDisplay( DisplayString(dmxScreens[s].beDisplay) );
+ }
+ return cl->be_displays[s];
+}
+
+/*
+** Create a GL context with the given properties.
+*/
+static int CreateContext(__GLXclientState *cl,
+ GLXContextID gcId,
+ VisualID vid, GLXFBConfigID fbconfigId,
+ int screen,
+ GLXContextID shareList,
+ int isDirect )
+{
+ ClientPtr client = cl->client;
+ xGLXCreateContextReq *be_req;
+ xGLXCreateNewContextReq *be_new_req;
+ VisualPtr pVisual;
+ ScreenPtr pScreen;
+ __GLXcontext *glxc, *shareglxc;
+ __GLXvisualConfig *pGlxVisual;
+ __GLXscreenInfo *pGlxScreen;
+ VisualID visual = vid;
+ GLint i;
+ int from_screen = screen;
+ int to_screen = screen;
+ DMXScreenInfo *dmxScreen;
+ VisualID be_vid = 0;
+ GLXFBConfigID be_fbconfigId = 0;
+ int num_be_screens;
+ Display *dpy;
+
+ /*
+ ** Check if screen exists.
+ */
+ if (screen >= screenInfo.numScreens) {
+ client->errorValue = screen;
+ return BadValue;
+ }
+
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ /*
+ ** Find the display list space that we want to share.
+ **
+ */
+ if (shareList == None) {
+ shareglxc = NULL;
+ } else {
+ dixLookupResourceByType((pointer*) &shareglxc, shareList,
+ __glXContextRes, NullClient, DixUnknownAccess);
+ if (!shareglxc) {
+ client->errorValue = shareList;
+ return __glXBadContext;
+ }
+ }
+
+ /*
+ ** Allocate memory for the new context
+ */
+ glxc = calloc(1, sizeof(__GLXcontext));
+ if (!glxc) {
+ return BadAlloc;
+ }
+
+ pScreen = screenInfo.screens[screen];
+ pGlxScreen = &__glXActiveScreens[screen];
+
+ if (fbconfigId != None) {
+ glxc->pFBConfig = glxLookupFBConfig( fbconfigId );
+ if (!glxc->pFBConfig) {
+ client->errorValue = fbconfigId;
+ free( glxc );
+ return BadValue;
+ }
+ visual = glxc->pFBConfig->associatedVisualId;
+ }
+ else {
+ glxc->pFBConfig = NULL;
+ }
+
+ if (visual != None) {
+ /*
+ ** Check if the visual ID is valid for this screen.
+ */
+ pVisual = pScreen->visuals;
+ for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
+ if (pVisual->vid == visual) {
+ break;
+ }
+ }
+ if (i == pScreen->numVisuals) {
+ client->errorValue = visual;
+ free( glxc );
+ return BadValue;
+ }
+
+ pGlxVisual = pGlxScreen->pGlxVisual;
+ for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
+ if (pGlxVisual->vid == visual) {
+ break;
+ }
+ }
+ if (i == pGlxScreen->numVisuals) {
+ /*
+ ** Visual not support on this screen by this OpenGL implementation.
+ */
+ client->errorValue = visual;
+ free( glxc );
+ return BadValue;
+ }
+
+ if ( glxc->pFBConfig == NULL ) {
+ glxc->pFBConfig = glxLookupFBConfigByVID( visual );
+
+ if ( glxc->pFBConfig == NULL ) {
+ /*
+ * visual does not have an FBConfig ???
+ client->errorValue = visual;
+ free( glxc );
+ return BadValue;
+ */
+ }
+ }
+ }
+ else {
+ pVisual = NULL;
+ pGlxVisual = NULL;
+ }
+
+ glxc->pScreen = pScreen;
+ glxc->pGlxScreen = pGlxScreen;
+ glxc->pVisual = pVisual;
+ glxc->pGlxVisual = pGlxVisual;
+
+ /*
+ * allocate memory for back-end servers info
+ */
+ num_be_screens = to_screen - from_screen + 1;
+ glxc->real_ids = (XID *)malloc(sizeof(XID) * num_be_screens);
+ if (!glxc->real_ids) {
+ return BadAlloc;
+ }
+ glxc->real_vids = (XID *)malloc(sizeof(XID) * num_be_screens);
+ if (!glxc->real_vids) {
+ return BadAlloc;
+ }
+
+ for (screen = from_screen; screen <= to_screen; screen++) {
+ int sent = 0;
+ pScreen = screenInfo.screens[screen];
+ pGlxScreen = &__glXActiveScreens[screen];
+ dmxScreen = &dmxScreens[screen];
+
+ if (glxc->pFBConfig) {
+ __GLXFBConfig *beFBConfig = glxLookupBackEndFBConfig( glxc->pFBConfig->id,
+ screen );
+ be_fbconfigId = beFBConfig->id;
+ }
+
+ if (pGlxVisual) {
+
+ be_vid = glxMatchGLXVisualInConfigList( pGlxVisual,
+ dmxScreen->glxVisuals,
+ dmxScreen->numGlxVisuals );
+
+ if (!be_vid) {
+ /* visual is not supported on the back-end server */
+ free( glxc->real_ids );
+ free( glxc->real_vids );
+ free( glxc );
+ return BadValue;
+ }
+ }
+
+ glxc->real_ids[screen-from_screen] = XAllocID(GetBackEndDisplay(cl,screen));
+
+ /* send the create context request to the back-end server */
+ dpy = GetBackEndDisplay(cl,screen);
+ if (glxc->pFBConfig) {
+ /*Since for a certain visual both RGB and COLOR INDEX
+ *can be on then the only parmeter to choose the renderType
+ * should be the class of the colormap since all 4 first
+ * classes does not support RGB mode only COLOR INDEX ,
+ * and so TrueColor and DirectColor does not support COLOR INDEX*/
+ int renderType = glxc->pFBConfig->renderType;
+ if ( pVisual ) {
+ switch ( pVisual->class ){
+ case PseudoColor:
+ case StaticColor:
+ case GrayScale:
+ case StaticGray:
+ renderType = GLX_COLOR_INDEX_TYPE;
+ break;
+ case TrueColor:
+ case DirectColor:
+ default:
+ renderType = GLX_RGBA_TYPE;
+ break;
+ }
+ }
+ if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ LockDisplay(dpy);
+ GetReq(GLXCreateNewContext,be_new_req);
+ be_new_req->reqType = dmxScreen->glxMajorOpcode;
+ be_new_req->glxCode = X_GLXCreateNewContext;
+ be_new_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
+ be_new_req->fbconfig = (unsigned int)be_fbconfigId;
+ be_new_req->screen = DefaultScreen(dpy);
+ be_new_req->renderType = renderType;
+
+ be_new_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
+ be_new_req->isDirect = 0;
+ UnlockDisplay(dpy);
+ glxc->real_vids[screen-from_screen] = be_fbconfigId;
+ sent = 1;
+ }
+ else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
+
+ xGLXCreateContextWithConfigSGIXReq *ext_req;
+ xGLXVendorPrivateReq *vpreq;
+ LockDisplay(dpy);
+ GetReqExtra(GLXVendorPrivate,
+ sz_xGLXCreateContextWithConfigSGIXReq - sz_xGLXVendorPrivateReq,
+ vpreq);
+ ext_req = (xGLXCreateContextWithConfigSGIXReq *)vpreq;
+ ext_req->reqType = dmxScreen->glxMajorOpcode;
+ ext_req->glxCode = X_GLXVendorPrivate;
+ ext_req->vendorCode = X_GLXvop_CreateContextWithConfigSGIX;
+ ext_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
+ ext_req->fbconfig = (unsigned int)be_fbconfigId;
+ ext_req->screen = DefaultScreen(dpy);
+ ext_req->renderType = renderType;
+ ext_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
+ ext_req->isDirect = 0;
+ UnlockDisplay(dpy);
+ glxc->real_vids[screen-from_screen] = be_fbconfigId;
+ sent = 1;
+ }
+ }
+
+ if (!sent) {
+ LockDisplay(dpy);
+ GetReq(GLXCreateContext,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXCreateContext;
+ be_req->context = (unsigned int)glxc->real_ids[screen-from_screen];
+ be_req->visual = (unsigned int)be_vid;
+ be_req->screen = DefaultScreen(dpy);
+ be_req->shareList = (shareglxc ? shareglxc->real_ids[screen-from_screen] : 0);
+ be_req->isDirect = 0;
+ UnlockDisplay(dpy);
+ glxc->real_vids[screen-from_screen] = be_vid;
+ }
+ SyncHandle();
+
+ }
+
+ /*
+ ** Register this context as a resource.
+ */
+ if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {
+ free( glxc->real_ids );
+ free( glxc->real_vids );
+ free( glxc );
+ client->errorValue = gcId;
+ return BadAlloc;
+ }
+
+ /*
+ ** Finally, now that everything is working, setup the rest of the
+ ** context.
+ */
+ glxc->id = gcId;
+ glxc->share_id = shareList;
+ glxc->idExists = GL_TRUE;
+ glxc->isCurrent = GL_FALSE;
+
+ return Success;
+}
+
+int __glXCreateContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
+
+ return( CreateContext(cl, req->context,req->visual, None,
+ req->screen, req->shareList, req->isDirect) );
+
+}
+
+int __glXCreateNewContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
+
+ return( CreateContext(cl, req->context,None, req->fbconfig,
+ req->screen, req->shareList, req->isDirect) );
+
+}
+
+int __glXCreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextWithConfigSGIXReq *req = (xGLXCreateContextWithConfigSGIXReq *) pc;
+
+ return( CreateContext(cl, req->context, None, req->fbconfig,
+ req->screen, req->shareList, req->isDirect) );
+
+}
+
+int __glXQueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryMaxSwapBarriersSGIXReq *req =
+ (xGLXQueryMaxSwapBarriersSGIXReq *)pc;
+ xGLXQueryMaxSwapBarriersSGIXReply reply;
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = 0;
+ reply.max = QueryMaxSwapBarriersSGIX(req->screen);
+
+ if (client->swapped) {
+ __glXSwapQueryMaxSwapBarriersSGIXReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,
+ (char *)&reply);
+ }
+
+ return Success;
+}
+
+int __glXBindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *)pc;
+ DrawablePtr pDraw;
+ __GLXpixmap *pGlxPixmap = NULL;
+ __glXWindow *pGlxWindow = NULL;
+ int rc;
+
+ rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixGetAttrAccess);
+ if (rc != Success) {
+ dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable,
+ __glXPixmapRes, NullClient, DixUnknownAccess);
+ if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable,
+ __glXWindowRes, NullClient, DixUnknownAccess);
+ if (pGlxWindow) pDraw = pGlxWindow->pDraw;
+ }
+
+ if (!pDraw) {
+ client->errorValue = req->drawable;
+ return __glXBadDrawable;
+ }
+
+ return BindSwapBarrierSGIX(pDraw, req->barrier);
+}
+
+int __glXJoinSwapGroupSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXJoinSwapGroupSGIXReq *req = (xGLXJoinSwapGroupSGIXReq *)pc;
+ DrawablePtr pDraw, pMember = NULL;
+ __GLXpixmap *pGlxPixmap = NULL;
+ __glXWindow *pGlxWindow = NULL;
+ int rc;
+
+ rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixManageAccess);
+ if (rc != Success) {
+ dixLookupResourceByType((pointer*) &pGlxPixmap, req->drawable,
+ __glXPixmapRes, NullClient, DixUnknownAccess);
+ if (pGlxPixmap) pDraw = pGlxPixmap->pDraw;
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxWindow, req->drawable,
+ __glXWindowRes, NullClient, DixUnknownAccess);
+ if (pGlxWindow) pDraw = pGlxWindow->pDraw;
+ }
+
+ if (!pDraw) {
+ client->errorValue = req->drawable;
+ return __glXBadDrawable;
+ }
+
+ if (req->member != None) {
+ rc = dixLookupDrawable(&pMember, req->member, client, 0,
+ DixGetAttrAccess);
+ if (rc != Success) {
+ dixLookupResourceByType((pointer*) &pGlxPixmap, req->member,
+ __glXPixmapRes, NullClient,
+ DixUnknownAccess);
+ if (pGlxPixmap) pMember = pGlxPixmap->pDraw;
+ }
+
+ if (!pMember && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxWindow, req->member,
+ __glXWindowRes, NullClient,
+ DixUnknownAccess);
+ if (pGlxWindow) pMember = pGlxWindow->pDraw;
+ }
+
+ if (!pMember) {
+ client->errorValue = req->member;
+ return __glXBadDrawable;
+ }
+ }
+
+ return JoinSwapGroupSGIX(pDraw, pMember);
+}
+
+
+/*
+** Destroy a GL context as an X resource.
+*/
+int __glXDestroyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
+ xGLXDestroyContextReq *be_req;
+ GLXContextID gcId = req->context;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+
+ dixLookupResourceByType((pointer*) &glxc, gcId, __glXContextRes,
+ NullClient, DixUnknownAccess);
+ if (glxc) {
+ /*
+ ** Just free the resource; don't actually destroy the context,
+ ** because it might be in use. The
+ ** destroy method will be called by the resource destruction routine
+ ** if necessary.
+ */
+ FreeResourceByType(gcId, __glXContextRes, FALSE);
+
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+ } else {
+ client->errorValue = gcId;
+ return __glXBadContext;
+ }
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ /*
+ * send DestroyContext request to all back-end servers
+ */
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReq(GLXDestroyContext,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXDestroyContext;
+ be_req->context = glxc->real_ids[s-from_screen];
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+
+ return Success;
+}
+
+/*****************************************************************************/
+
+/*
+** For each client, the server keeps a table of all the contexts that are
+** current for that client (each thread of a client may have its own current
+** context). These routines add, change, and lookup contexts in the table.
+*/
+
+/*
+** Add a current context, and return the tag that will be used to refer to it.
+*/
+static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc, DrawablePtr pDraw)
+{
+ int i;
+ int num = cl->numCurrentContexts;
+ __GLXcontext **table = cl->currentContexts;
+
+ if (!glxc) return -1;
+
+ /*
+ ** Try to find an empty slot and use it.
+ */
+ for (i=0; i < num; i++) {
+ if (!table[i]) {
+ table[i] = glxc;
+ return i+1;
+ }
+ }
+ /*
+ ** Didn't find a free slot, so we'll have to grow the table.
+ */
+ if (!num) {
+ table = (__GLXcontext **) malloc(sizeof(__GLXcontext *));
+ cl->currentDrawables = (DrawablePtr *) malloc(sizeof(DrawablePtr));
+ cl->be_currentCTag = (GLXContextTag *) malloc(screenInfo.numScreens *sizeof(GLXContextTag));
+ } else {
+ table = (__GLXcontext **) realloc(table,
+ (num+1)*sizeof(__GLXcontext *));
+ cl->currentDrawables = (DrawablePtr *) realloc(
+ cl->currentDrawables ,
+ (num+1)*sizeof(DrawablePtr));
+ cl->be_currentCTag = (GLXContextTag *) realloc(cl->be_currentCTag,
+ (num+1)*screenInfo.numScreens*sizeof(GLXContextTag));
+ }
+ table[num] = glxc;
+ cl->currentDrawables[num] = pDraw;
+ cl->currentContexts = table;
+ cl->numCurrentContexts++;
+
+ memset(cl->be_currentCTag + num*screenInfo.numScreens, 0,
+ screenInfo.numScreens * sizeof(GLXContextTag));
+
+ return num+1;
+}
+
+/*
+** Given a tag, change the current context for the corresponding entry.
+*/
+static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,
+ GLXContextTag tag)
+{
+ __GLXcontext **table = cl->currentContexts;
+ table[tag-1] = glxc;
+}
+
+/*
+** Given a tag, and back-end screen number, retrives the current back-end
+** tag.
+*/
+int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s)
+{
+ if (tag >0) {
+ return( cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] );
+ }
+ else {
+ return 0;
+ }
+}
+
+/*
+** Given a tag, and back-end screen number, sets the current back-end
+** tag.
+*/
+static void SetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s, GLXContextTag be_tag)
+{
+ if (tag >0) {
+ cl->be_currentCTag[ (tag-1)*screenInfo.numScreens + s ] = be_tag;
+ }
+}
+
+/*
+** For this implementation we have chosen to simply use the index of the
+** context's entry in the table as the context tag. A tag must be greater
+** than 0.
+*/
+__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)
+{
+ int num = cl->numCurrentContexts;
+
+ if (tag < 1 || tag > num) {
+ return 0;
+ } else {
+ return cl->currentContexts[tag-1];
+ }
+}
+
+DrawablePtr __glXLookupDrawableByTag(__GLXclientState *cl, GLXContextTag tag)
+{
+ int num = cl->numCurrentContexts;
+
+ if (tag < 1 || tag > num) {
+ return 0;
+ } else {
+ return cl->currentDrawables[tag-1];
+ }
+}
+
+/*****************************************************************************/
+
+static void StopUsingContext(__GLXcontext *glxc)
+{
+ if (glxc) {
+ if (glxc == __glXLastContext) {
+ /* Tell server GL library */
+ __glXLastContext = 0;
+ }
+ glxc->isCurrent = GL_FALSE;
+ if (!glxc->idExists) {
+ __glXFreeContext(glxc);
+ }
+ }
+}
+
+static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)
+{
+ glxc->isCurrent = GL_TRUE;
+}
+
+/*****************************************************************************/
+/*
+** Make an OpenGL context and drawable current.
+*/
+static int MakeCurrent(__GLXclientState *cl,
+ GLXDrawable drawable,
+ GLXDrawable readdrawable,
+ GLXContextID context,
+ GLXContextTag oldContextTag)
+{
+ ClientPtr client = cl->client;
+ DrawablePtr pDraw = NULL;
+ DrawablePtr pReadDraw = NULL;
+ xGLXMakeCurrentReadSGIReply new_reply;
+ xGLXMakeCurrentReq *be_req;
+ xGLXMakeCurrentReply be_reply;
+ xGLXMakeContextCurrentReq *be_new_req;
+ xGLXMakeContextCurrentReply be_new_reply;
+ GLXDrawable drawId = drawable;
+ GLXDrawable readId = readdrawable;
+ GLXContextID contextId = context;
+ __GLXpixmap *pGlxPixmap = 0;
+ __GLXpixmap *pReadGlxPixmap = 0;
+ __GLXcontext *glxc, *prevglxc;
+ GLXContextTag tag = oldContextTag;
+ WindowPtr pWin = NULL;
+ WindowPtr pReadWin = NULL;
+ __glXWindow *pGlxWindow = NULL;
+ __glXWindow *pGlxReadWindow = NULL;
+ __glXPbuffer *pGlxPbuffer = NULL;
+ __glXPbuffer *pGlxReadPbuffer = NULL;
+#ifdef PANORAMIX
+ PanoramiXRes *pXinDraw = NULL;
+ PanoramiXRes *pXinReadDraw = NULL;
+#endif
+ int from_screen = 0;
+ int to_screen = 0;
+ int s, rc;
+
+ /*
+ ** If one is None and the other isn't, it's a bad match.
+ */
+ if ((drawId == None && contextId != None) ||
+ (drawId != None && contextId == None)) {
+ return BadMatch;
+ }
+
+ /*
+ ** Lookup old context. If we have one, it must be in a usable state.
+ */
+ if (tag != 0) {
+ prevglxc = __glXLookupContextByTag(cl, tag);
+ if (!prevglxc) {
+ /*
+ ** Tag for previous context is invalid.
+ */
+ return __glXBadContextTag;
+ }
+ } else {
+ prevglxc = 0;
+ }
+
+ /*
+ ** Lookup new context. It must not be current for someone else.
+ */
+ if (contextId != None) {
+ dixLookupResourceByType((pointer*) &glxc, contextId, __glXContextRes,
+ NullClient, DixUnknownAccess);
+ if (!glxc) {
+ client->errorValue = contextId;
+ return __glXBadContext;
+ }
+ if ((glxc != prevglxc) && glxc->isCurrent) {
+ /* Context is current to somebody else */
+ return BadAccess;
+ }
+ } else {
+ /* Switching to no context. Ignore new drawable. */
+ glxc = 0;
+ }
+
+ if (drawId != None) {
+ rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
+ if (rc == Success) {
+ if (pDraw->type == DRAWABLE_WINDOW) {
+ /*
+ ** Drawable is an X Window.
+ */
+ VisualID vid;
+ pWin = (WindowPtr)pDraw;
+ vid = wVisual(pWin);
+
+ new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
+ new_reply.writeType = GLX_WINDOW_TYPE;
+
+ /*
+ ** Check if window and context are similar.
+ */
+ if ((vid != glxc->pVisual->vid) ||
+ (pWin->drawable.pScreen != glxc->pScreen)) {
+ client->errorValue = drawId;
+ return BadMatch;
+ }
+
+ from_screen = to_screen = pWin->drawable.pScreen->myNum;
+
+ } else {
+ /*
+ ** An X Pixmap is not allowed as a parameter (a GLX Pixmap
+ ** is, but it must first be created with glxCreateGLXPixmap).
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+ }
+
+ if (!pDraw) {
+ dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
+ __glXPixmapRes, NullClient,
+ DixUnknownAccess);
+ if (pGlxPixmap) {
+ /*
+ ** Check if pixmap and context are similar.
+ */
+ if (pGlxPixmap->pScreen != glxc->pScreen ||
+ pGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
+ client->errorValue = drawId;
+ return BadMatch;
+ }
+ pDraw = pGlxPixmap->pDraw;
+
+ new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id :
+ pGlxPixmap->pGlxVisual->vid);
+
+ new_reply.writeType = GLX_PIXMAP_TYPE;
+
+ from_screen = to_screen = pGlxPixmap->pScreen->myNum;
+
+ }
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
+ __glXWindowRes, NullClient,
+ DixUnknownAccess);
+ if (pGlxWindow) {
+ /*
+ ** Drawable is a GLXWindow.
+ **
+ ** Check if GLX window and context are similar.
+ */
+ if (pGlxWindow->pScreen != glxc->pScreen ||
+ pGlxWindow->pGlxFBConfig != glxc->pFBConfig) {
+ client->errorValue = drawId;
+ return BadMatch;
+ }
+
+ pDraw = pGlxWindow->pDraw;
+ new_reply.writeVid = pGlxWindow->pGlxFBConfig->id;
+ new_reply.writeType = GLX_GLXWINDOW_TYPE;
+ }
+
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxPbuffer, drawId,
+ __glXPbufferRes, NullClient,
+ DixUnknownAccess);
+ if (pGlxPbuffer) {
+ if (pGlxPbuffer->pScreen != glxc->pScreen ||
+ pGlxPbuffer->pFBConfig != glxc->pFBConfig) {
+ client->errorValue = drawId;
+ return BadMatch;
+ }
+
+ pDraw = (DrawablePtr)pGlxPbuffer;
+ new_reply.writeVid = pGlxPbuffer->pFBConfig->id;
+ new_reply.writeType = GLX_PBUFFER_TYPE;
+ }
+ }
+
+ if (!pDraw) {
+ /*
+ ** Drawable is not a Window , GLXWindow or a GLXPixmap.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ } else {
+ pDraw = 0;
+ }
+
+ if (readId != None && readId != drawId ) {
+ rc = dixLookupDrawable(&pReadDraw, readId, client, 0, DixReadAccess);
+ if (rc == Success) {
+ if (pReadDraw->type == DRAWABLE_WINDOW) {
+ /*
+ ** Drawable is an X Window.
+ */
+ VisualID vid;
+ pReadWin = (WindowPtr)pDraw;
+ vid = wVisual(pReadWin);
+
+ new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : vid);
+ new_reply.readType = GLX_WINDOW_TYPE;
+
+ /*
+ ** Check if window and context are similar.
+ */
+ if ((vid != glxc->pVisual->vid) ||
+ (pReadWin->drawable.pScreen != glxc->pScreen)) {
+ client->errorValue = readId;
+ return BadMatch;
+ }
+
+ } else {
+
+ /*
+ ** An X Pixmap is not allowed as a parameter (a GLX Pixmap
+ ** is, but it must first be created with glxCreateGLXPixmap).
+ */
+ client->errorValue = readId;
+ return __glXBadDrawable;
+ }
+ }
+
+ if (!pReadDraw) {
+ dixLookupResourceByType((pointer*) &pReadGlxPixmap, readId,
+ __glXPixmapRes, NullClient,
+ DixUnknownAccess);
+ if (pReadGlxPixmap) {
+ /*
+ ** Check if pixmap and context are similar.
+ */
+ if (pReadGlxPixmap->pScreen != glxc->pScreen ||
+ pReadGlxPixmap->pGlxVisual != glxc->pGlxVisual) {
+ client->errorValue = readId;
+ return BadMatch;
+ }
+ pReadDraw = pReadGlxPixmap->pDraw;
+
+ new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id :
+ pReadGlxPixmap->pGlxVisual->vid );
+ new_reply.readType = GLX_PIXMAP_TYPE;
+
+ }
+ }
+
+ if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxReadWindow, readId,
+ __glXWindowRes, NullClient,
+ DixUnknownAccess);
+ if (pGlxReadWindow) {
+ /*
+ ** Drawable is a GLXWindow.
+ **
+ ** Check if GLX window and context are similar.
+ */
+ if (pGlxReadWindow->pScreen != glxc->pScreen ||
+ pGlxReadWindow->pGlxFBConfig != glxc->pFBConfig) {
+ client->errorValue = readId;
+ return BadMatch;
+ }
+
+ pReadDraw = pGlxReadWindow->pDraw;
+ new_reply.readVid = pGlxReadWindow->pGlxFBConfig->id;
+ new_reply.readType = GLX_GLXWINDOW_TYPE;
+ }
+ }
+
+ if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxReadPbuffer, readId,
+ __glXPbufferRes, NullClient,
+ DixUnknownAccess);
+ if (pGlxReadPbuffer) {
+ if (pGlxReadPbuffer->pScreen != glxc->pScreen ||
+ pGlxReadPbuffer->pFBConfig != glxc->pFBConfig) {
+ client->errorValue = drawId;
+ return BadMatch;
+ }
+
+ pReadDraw = (DrawablePtr)pGlxReadPbuffer;
+ new_reply.readVid = pGlxReadPbuffer->pFBConfig->id;
+ new_reply.readType = GLX_PBUFFER_TYPE;
+ }
+ }
+
+ if (!pReadDraw) {
+ /*
+ ** Drawable is neither a Window nor a GLXPixmap.
+ */
+ client->errorValue = readId;
+ return __glXBadDrawable;
+ }
+
+ } else {
+ pReadDraw = pDraw;
+ pReadGlxPixmap = pGlxPixmap;
+ pReadWin = pWin;
+ new_reply.readVid = new_reply.writeVid;
+ new_reply.readType = new_reply.writeType;
+ }
+
+ if (prevglxc) {
+
+ if (prevglxc->pGlxPixmap) {
+ /*
+ ** The previous drawable was a glx pixmap, release it.
+ */
+ prevglxc->pGlxPixmap->refcnt--;
+ __glXFreeGLXPixmap( prevglxc->pGlxPixmap );
+ prevglxc->pGlxPixmap = 0;
+ }
+
+ if (prevglxc->pGlxReadPixmap) {
+ /*
+ ** The previous drawable was a glx pixmap, release it.
+ */
+ prevglxc->pGlxReadPixmap->refcnt--;
+ __glXFreeGLXPixmap( prevglxc->pGlxReadPixmap );
+ prevglxc->pGlxReadPixmap = 0;
+ }
+
+ if (prevglxc->pGlxWindow) {
+ /*
+ ** The previous drawable was a glx window, release it.
+ */
+ prevglxc->pGlxWindow->refcnt--;
+ __glXFreeGLXWindow( prevglxc->pGlxWindow );
+ prevglxc->pGlxWindow = 0;
+ }
+
+ if (prevglxc->pGlxReadWindow) {
+ /*
+ ** The previous drawable was a glx window, release it.
+ */
+ prevglxc->pGlxReadWindow->refcnt--;
+ __glXFreeGLXWindow( prevglxc->pGlxReadWindow );
+ prevglxc->pGlxReadWindow = 0;
+ }
+
+ if (prevglxc->pGlxPbuffer) {
+ /*
+ ** The previous drawable was a glx Pbuffer, release it.
+ */
+ prevglxc->pGlxPbuffer->refcnt--;
+ __glXFreeGLXPbuffer( prevglxc->pGlxPbuffer );
+ prevglxc->pGlxPbuffer = 0;
+ }
+
+ if (prevglxc->pGlxReadPbuffer) {
+ /*
+ ** The previous drawable was a glx Pbuffer, release it.
+ */
+ prevglxc->pGlxReadPbuffer->refcnt--;
+ __glXFreeGLXPbuffer( prevglxc->pGlxReadPbuffer );
+ prevglxc->pGlxReadPbuffer = 0;
+ }
+
+ ChangeCurrentContext(cl, glxc, tag);
+ ChangeCurrentContext(cl, glxc, tag);
+ StopUsingContext(prevglxc);
+ } else {
+ tag = AddCurrentContext(cl, glxc, pDraw);
+ }
+ if (glxc) {
+
+ glxc->pGlxPixmap = pGlxPixmap;
+ glxc->pGlxReadPixmap = pReadGlxPixmap;
+ glxc->pGlxWindow = pGlxWindow;
+ glxc->pGlxReadWindow = pGlxReadWindow;
+ glxc->pGlxPbuffer = pGlxPbuffer;
+ glxc->pGlxReadPbuffer = pGlxReadPbuffer;
+
+ if (pGlxPixmap) {
+ pGlxPixmap->refcnt++;
+ }
+
+ if (pReadGlxPixmap) {
+ pReadGlxPixmap->refcnt++;
+ }
+
+ if (pGlxWindow) {
+ pGlxWindow->refcnt++;
+ }
+
+ if (pGlxReadWindow) {
+ pGlxReadWindow->refcnt++;
+ }
+
+ if (pGlxPbuffer) {
+ pGlxPbuffer->refcnt++;
+ }
+
+ if (pGlxReadPbuffer) {
+ pGlxReadPbuffer->refcnt++;
+ }
+
+ StartUsingContext(cl, glxc);
+ new_reply.contextTag = tag;
+ } else {
+ new_reply.contextTag = 0;
+ }
+ new_reply.length = 0;
+ new_reply.type = X_Reply;
+ new_reply.sequenceNumber = client->sequence;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+
+ if (pDraw && new_reply.writeType != GLX_PBUFFER_TYPE) {
+ dixLookupResourceByClass((pointer*) &pXinDraw,
+ pDraw->id, XRC_DRAWABLE,
+ client, DixReadAccess);
+ }
+
+ if (pReadDraw && pReadDraw != pDraw &&
+ new_reply.readType != GLX_PBUFFER_TYPE) {
+ dixLookupResourceByClass((pointer*) &pXinReadDraw,
+ pReadDraw->id, XRC_DRAWABLE,
+ client, DixReadAccess);
+ }
+ else {
+ pXinReadDraw = pXinDraw;
+ }
+ }
+#endif
+
+
+ /* send the MakeCurrent request to all required
+ * back-end servers.
+ */
+ for (s = from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+ unsigned int be_draw = None;
+ unsigned int be_read_draw = None;
+
+ if (pGlxPixmap) {
+ be_draw = pGlxPixmap->be_xids[s];
+ }
+ else if (pGlxPbuffer) {
+ be_draw = pGlxPbuffer->be_xids[s];
+ }
+#ifdef PANORAMIX
+ else if (pXinDraw) {
+ dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
+ }
+#endif
+ else if (pGlxWindow) {
+ pWin = (WindowPtr)pGlxWindow->pDraw;
+ }
+
+ if (pWin && be_draw == None) {
+ be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ if (!be_draw) {
+ /* it might be that the window did not created yet on the */
+ /* back-end server (lazy window creation option), force */
+ /* creation of the window */
+ dmxCreateAndRealizeWindow( pWin, TRUE );
+ be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ }
+ }
+
+ /*
+ * Before sending the MakeCurrent request - sync the
+ * X11 connection to the back-end servers to make sure
+ * that drawable is already created
+ */
+ dmxSync( dmxScreen, 1 );
+
+ if (drawId == readId) {
+ LockDisplay(dpy);
+ GetReq(GLXMakeCurrent, be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXMakeCurrent;
+ be_req->drawable = be_draw;
+ be_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
+ be_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
+ if (!_XReply(dpy, (xReply *) &be_reply, 0, False)) {
+
+ /* The make current failed */
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ SetCurrentBackEndTag( cl, tag, s, be_reply.contextTag );
+ }
+ else {
+
+ if (pReadGlxPixmap) {
+ be_read_draw = pReadGlxPixmap->be_xids[s];
+ }
+ else if (pGlxReadPbuffer) {
+ be_read_draw = pGlxReadPbuffer->be_xids[s];
+ }
+#ifdef PANORAMIX
+ else if (pXinReadDraw) {
+ dixLookupWindow(&pReadWin, pXinReadDraw->info[s].id, client,
+ DixReadAccess);
+ }
+#endif
+ else if (pGlxReadWindow) {
+ pReadWin = (WindowPtr)pGlxReadWindow->pDraw;
+ }
+
+ if (pReadWin && be_read_draw == None) {
+ be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
+ if (!be_read_draw) {
+ /* it might be that the window did not created yet on the */
+ /* back-end server (lazy window creation option), force */
+ /* creation of the window */
+ dmxCreateAndRealizeWindow( pReadWin, TRUE );
+ be_read_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pReadWin))->window;
+ dmxSync( dmxScreen, 1 );
+ }
+ }
+
+ if ( __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ LockDisplay(dpy);
+ GetReq(GLXMakeContextCurrent, be_new_req);
+ be_new_req->reqType = dmxScreen->glxMajorOpcode;
+ be_new_req->glxCode = X_GLXMakeContextCurrent;
+ be_new_req->drawable = be_draw;
+ be_new_req->readdrawable = be_read_draw;
+ be_new_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
+ be_new_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
+ if (!_XReply(dpy, (xReply *) &be_new_reply, 0, False)) {
+
+ /* The make current failed */
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ SetCurrentBackEndTag( cl, tag, s, be_new_reply.contextTag );
+ }
+ else if (glxIsExtensionSupported("GLX_SGI_make_current_read")) {
+ xGLXMakeCurrentReadSGIReq *ext_req;
+ xGLXVendorPrivateWithReplyReq *vpreq;
+ xGLXMakeCurrentReadSGIReply ext_reply;
+
+ LockDisplay(dpy);
+ GetReqExtra(GLXVendorPrivateWithReply,
+ sz_xGLXMakeCurrentReadSGIReq - sz_xGLXVendorPrivateWithReplyReq,
+ vpreq);
+ ext_req = (xGLXMakeCurrentReadSGIReq *)vpreq;
+ ext_req->reqType = dmxScreen->glxMajorOpcode;
+ ext_req->glxCode = X_GLXVendorPrivateWithReply;
+ ext_req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
+ ext_req->drawable = be_draw;
+ ext_req->readable = be_read_draw;
+ ext_req->context = (unsigned int)(glxc ? glxc->real_ids[s-from_screen] : 0);
+ ext_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s);
+ if (!_XReply(dpy, (xReply *) &ext_reply, 0, False)) {
+
+ /* The make current failed */
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ SetCurrentBackEndTag( cl, tag, s, ext_reply.contextTag );
+
+ }
+ else {
+ return BadMatch;
+ }
+ }
+
+ XFlush( dpy );
+ }
+
+ if (client->swapped) {
+ __glXSwapMakeCurrentReply(client, &new_reply);
+ } else {
+ WriteToClient(client, sz_xGLXMakeContextCurrentReply, (char *)&new_reply);
+ }
+
+ return Success;
+}
+
+int __glXMakeCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
+
+ return( MakeCurrent(cl, req->drawable, req->drawable,
+ req->context, req->oldContextTag ) );
+}
+
+int __glXMakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
+
+ return( MakeCurrent(cl, req->drawable, req->readdrawable,
+ req->context, req->oldContextTag ) );
+}
+
+int __glXMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
+
+ return( MakeCurrent(cl, req->drawable, req->readable,
+ req->context, req->oldContextTag ) );
+}
+
+int __glXIsDirect(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
+ xGLXIsDirectReply reply;
+ __GLXcontext *glxc;
+
+ /*
+ ** Find the GL context.
+ */
+ dixLookupResourceByType((pointer*) &glxc, req->context, __glXContextRes,
+ NullClient, DixUnknownAccess);
+ if (!glxc) {
+ client->errorValue = req->context;
+ return __glXBadContext;
+ }
+
+ reply.isDirect = 0;
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapIsDirectReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
+ }
+
+ return Success;
+}
+
+int __glXQueryVersion(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+/* xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; */
+ xGLXQueryVersionReply reply;
+
+ /*
+ ** Server should take into consideration the version numbers sent by the
+ ** client if it wants to work with older clients; however, in this
+ ** implementation the server just returns its version number.
+ */
+ reply.majorVersion = __glXVersionMajor;
+ reply.minorVersion = __glXVersionMinor;
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapQueryVersionReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
+ }
+ return Success;
+}
+
+int __glXWaitGL(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;
+ xGLXWaitGLReq *be_req = (xGLXWaitGLReq *)pc;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+ __GLXcontext *glxc = NULL;
+
+ if (req->contextTag != 0) {
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (glxc) {
+ from_screen = to_screen = glxc->pScreen->myNum;
+ }
+ }
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReq(GLXWaitGL,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXWaitGL;
+ be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ XSync(dpy, False);
+ }
+
+ return Success;
+}
+
+int __glXWaitX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitXReq *req = (xGLXWaitXReq *)pc;
+ xGLXWaitXReq *be_req;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+ __GLXcontext *glxc = NULL;
+
+ if (req->contextTag != 0) {
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (glxc) {
+ from_screen = to_screen = glxc->pScreen->myNum;
+ }
+ }
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ dmxSync( dmxScreen, 1 );
+
+ LockDisplay(dpy);
+ GetReq(GLXWaitX,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXWaitX;
+ be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ XFlush( dpy );
+ }
+
+ return Success;
+}
+
+int __glXCopyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXCopyContextReq *be_req;
+ xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
+ GLXContextID source = req->source;
+ GLXContextID dest = req->dest;
+ GLXContextTag tag = req->contextTag;
+ unsigned long mask = req->mask;
+ __GLXcontext *src, *dst;
+ int s;
+ int from_screen = 0;
+ int to_screen = 0;
+
+ /*
+ ** Check that each context exists.
+ */
+ dixLookupResourceByType((pointer*) &src, source, __glXContextRes,
+ NullClient, DixUnknownAccess);
+ if (!src) {
+ client->errorValue = source;
+ return __glXBadContext;
+ }
+ dixLookupResourceByType((pointer*) &dst, dest, __glXContextRes,
+ NullClient, DixUnknownAccess);
+ if (!dst) {
+ client->errorValue = dest;
+ return __glXBadContext;
+ }
+
+ /*
+ ** They must be in the same address space, and same screen.
+ */
+ if (src->pGlxScreen != dst->pGlxScreen) {
+ client->errorValue = source;
+ return BadMatch;
+ }
+
+ /*
+ ** The destination context must not be current for any client.
+ */
+ if (dst->isCurrent) {
+ client->errorValue = dest;
+ return BadAccess;
+ }
+
+ if (tag) {
+ __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);
+
+ if (!tagcx) {
+ return __glXBadContextTag;
+ }
+ if (tagcx != src) {
+ /*
+ ** This would be caused by a faulty implementation of the client
+ ** library.
+ */
+ return BadMatch;
+ }
+ }
+
+ from_screen = to_screen = src->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReq(GLXCopyContext,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXCopyContext;
+ be_req->source = (unsigned int)src->real_ids[s-from_screen];
+ be_req->dest = (unsigned int)dst->real_ids[s-from_screen];
+ be_req->mask = mask;
+ be_req->contextTag = (tag ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+
+ return Success;
+}
+
+int __glXGetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
+ xGLXGetVisualConfigsReply reply;
+ __GLXscreenInfo *pGlxScreen;
+ __GLXvisualConfig *pGlxVisual;
+ CARD32 buf[__GLX_TOTAL_CONFIG];
+ unsigned int screen;
+ int i, p;
+
+ screen = req->screen;
+ if (screen >= screenInfo.numScreens) {
+ /* The client library must send a valid screen number. */
+ client->errorValue = screen;
+ return BadValue;
+ }
+ pGlxScreen = &__glXActiveScreens[screen];
+
+ reply.numVisuals = pGlxScreen->numGLXVisuals;
+ reply.numProps = __GLX_TOTAL_CONFIG;
+ reply.length = (pGlxScreen->numGLXVisuals * __GLX_SIZE_CARD32 *
+ __GLX_TOTAL_CONFIG) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);
+
+ for (i=0; i < pGlxScreen->numVisuals; i++) {
+ pGlxVisual = &pGlxScreen->pGlxVisual[i];
+ if (!pGlxScreen->isGLXvis[i] || pGlxVisual->vid == 0) {
+ /* not a usable visual */
+ continue;
+ }
+ p = 0;
+ buf[p++] = pGlxVisual->vid;
+ buf[p++] = pGlxVisual->class;
+ buf[p++] = pGlxVisual->rgba;
+
+ buf[p++] = pGlxVisual->redSize;
+ buf[p++] = pGlxVisual->greenSize;
+ buf[p++] = pGlxVisual->blueSize;
+ buf[p++] = pGlxVisual->alphaSize;
+ buf[p++] = pGlxVisual->accumRedSize;
+ buf[p++] = pGlxVisual->accumGreenSize;
+ buf[p++] = pGlxVisual->accumBlueSize;
+ buf[p++] = pGlxVisual->accumAlphaSize;
+
+ buf[p++] = pGlxVisual->doubleBuffer;
+ buf[p++] = pGlxVisual->stereo;
+
+ buf[p++] = pGlxVisual->bufferSize;
+ buf[p++] = pGlxVisual->depthSize;
+ buf[p++] = pGlxVisual->stencilSize;
+ buf[p++] = pGlxVisual->auxBuffers;
+ buf[p++] = pGlxVisual->level;
+ /*
+ ** Add token/value pairs for extensions.
+ */
+ buf[p++] = GLX_VISUAL_CAVEAT_EXT;
+ buf[p++] = pGlxVisual->visualRating;
+ buf[p++] = GLX_TRANSPARENT_TYPE_EXT;
+ buf[p++] = pGlxVisual->transparentPixel;
+ buf[p++] = GLX_TRANSPARENT_RED_VALUE_EXT;
+ buf[p++] = pGlxVisual->transparentRed;
+ buf[p++] = GLX_TRANSPARENT_GREEN_VALUE_EXT;
+ buf[p++] = pGlxVisual->transparentGreen;
+ buf[p++] = GLX_TRANSPARENT_BLUE_VALUE_EXT;
+ buf[p++] = pGlxVisual->transparentBlue;
+ buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE_EXT;
+ buf[p++] = pGlxVisual->transparentAlpha;
+ buf[p++] = GLX_TRANSPARENT_INDEX_VALUE_EXT;
+ buf[p++] = pGlxVisual->transparentIndex;
+ buf[p++] = GLX_SAMPLES_SGIS;
+ buf[p++] = pGlxVisual->multiSampleSize;
+ buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
+ buf[p++] = pGlxVisual->nMultiSampleBuffers;
+ buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
+ buf[p++] = pGlxVisual->visualSelectGroup;
+
+ WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_TOTAL_CONFIG,
+ (char *)buf);
+ }
+ return Success;
+}
+
+/*
+** Create a GLX Pixmap from an X Pixmap.
+*/
+static int CreateGLXPixmap(__GLXclientState *cl,
+ VisualID visual, GLXFBConfigID fbconfigId,
+ int screenNum, XID pixmapId, XID glxpixmapId )
+{
+ ClientPtr client = cl->client;
+ xGLXCreateGLXPixmapReq *be_req;
+ xGLXCreatePixmapReq *be_new_req;
+ DrawablePtr pDraw;
+ ScreenPtr pScreen;
+ VisualPtr pVisual;
+ __GLXpixmap *pGlxPixmap;
+ __GLXscreenInfo *pGlxScreen;
+ __GLXvisualConfig *pGlxVisual;
+ __GLXFBConfig *pFBConfig;
+ int i, s, rc;
+ int from_screen, to_screen;
+#ifdef PANORAMIX
+ PanoramiXRes *pXinDraw = NULL;
+#endif
+
+ rc = dixLookupDrawable(&pDraw, pixmapId, client, M_DRAWABLE_PIXMAP,
+ DixAddAccess);
+ if (rc != Success)
+ return rc;
+
+ /*
+ ** Check if screen of visual matches screen of pixmap.
+ */
+ pScreen = pDraw->pScreen;
+ if (screenNum != pScreen->myNum) {
+ return BadMatch;
+ }
+
+ if (fbconfigId == 0 && visual == 0) {
+ return BadValue;
+ }
+
+ if (fbconfigId != None) {
+ pFBConfig = glxLookupFBConfig( fbconfigId );
+ if (!pFBConfig) {
+ client->errorValue = fbconfigId;
+ return BadValue;
+ }
+ visual = pFBConfig->associatedVisualId;
+ }
+ else {
+ pFBConfig = NULL;
+ }
+
+ if (visual != None) {
+ /*
+ ** Find the VisualRec for this visual.
+ */
+ pVisual = pScreen->visuals;
+ for (i=0; i < pScreen->numVisuals; i++, pVisual++) {
+ if (pVisual->vid == visual) {
+ break;
+ }
+ }
+ if (i == pScreen->numVisuals) {
+ client->errorValue = visual;
+ return BadValue;
+ }
+ /*
+ ** Check if depth of visual matches depth of pixmap.
+ */
+ if (pVisual->nplanes != pDraw->depth) {
+ client->errorValue = visual;
+ return BadMatch;
+ }
+
+ /*
+ ** Get configuration of the visual.
+ */
+ pGlxScreen = &__glXActiveScreens[screenNum];
+ pGlxVisual = pGlxScreen->pGlxVisual;
+ for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
+ if (pGlxVisual->vid == visual) {
+ break;
+ }
+ }
+ if (i == pGlxScreen->numVisuals) {
+ /*
+ ** Visual not support on this screen by this OpenGL implementation.
+ */
+ client->errorValue = visual;
+ return BadValue;
+ }
+
+
+ /* find the FBConfig for that visual (if any) */
+ if ( pFBConfig == NULL ) {
+ pFBConfig = glxLookupFBConfigByVID( visual );
+
+ if ( pFBConfig == NULL ) {
+ /*
+ * visual does not have an FBConfig ???
+ client->errorValue = visual;
+ return BadValue;
+ */
+ }
+ }
+ }
+ else {
+ pVisual = NULL;
+ pGlxVisual = NULL;
+ pGlxScreen = &__glXActiveScreens[pDraw->pScreen->myNum];
+ }
+
+ pGlxPixmap = (__GLXpixmap *) malloc(sizeof(__GLXpixmap));
+ if (!pGlxPixmap) {
+ return BadAlloc;
+ }
+ pGlxPixmap->be_xids = (XID *) malloc(sizeof(XID) * screenInfo.numScreens);
+ if (!pGlxPixmap->be_xids) {
+ free( pGlxPixmap );
+ return BadAlloc;
+ }
+
+ pGlxPixmap->pDraw = pDraw;
+ pGlxPixmap->pGlxScreen = pGlxScreen;
+ pGlxPixmap->pGlxVisual = pGlxVisual;
+ pGlxPixmap->pFBConfig = pFBConfig;
+ pGlxPixmap->pScreen = pScreen;
+ pGlxPixmap->idExists = True;
+ pGlxPixmap->refcnt = 0;
+
+ /*
+ ** Bump the ref count on the X pixmap so it won't disappear.
+ */
+ ((PixmapPtr) pDraw)->refcnt++;
+
+ /*
+ * send the request to the back-end server(s)
+ */
+ from_screen = to_screen = screenNum;
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+
+ dixLookupResourceByClass((pointer*) &pXinDraw,
+ pDraw->id, XRC_DRAWABLE,
+ client, DixReadAccess);
+ }
+#endif
+
+ for (s=from_screen; s<=to_screen; s++) {
+
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+ Pixmap be_pixmap;
+ DrawablePtr pRealDraw = pDraw;
+
+#ifdef PANORAMIX
+ if (pXinDraw) {
+ dixLookupDrawable(&pRealDraw, pXinDraw->info[s].id, client, 0,
+ DixAddAccess);
+ }
+#endif
+
+ be_pixmap = (DMX_GET_PIXMAP_PRIV((PixmapPtr)pRealDraw))->pixmap;
+
+ /* make sure pixmap already created on back-end */
+ dmxSync( dmxScreen, 1 );
+
+ if ( pFBConfig && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
+
+ LockDisplay(dpy);
+ pGlxPixmap->be_xids[s] = XAllocID(dpy);
+ GetReq(GLXCreatePixmap,be_new_req);
+ be_new_req->reqType = dmxScreen->glxMajorOpcode;
+ be_new_req->glxCode = X_GLXCreatePixmap;
+ be_new_req->screen = DefaultScreen(dpy);
+ be_new_req->fbconfig = be_FBConfig->id;
+ be_new_req->pixmap = (unsigned int)be_pixmap;
+ be_new_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
+ be_new_req->numAttribs = 0;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+ else if (pFBConfig && glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
+ __GLXFBConfig *be_FBConfig = glxLookupBackEndFBConfig( pFBConfig->id, s );
+ xGLXCreateGLXPixmapWithConfigSGIXReq *ext_req;
+ xGLXVendorPrivateReq *vpreq;
+
+ LockDisplay(dpy);
+ pGlxPixmap->be_xids[s] = XAllocID(dpy);
+ GetReqExtra(GLXVendorPrivate,
+ sz_xGLXCreateGLXPixmapWithConfigSGIXReq-sz_xGLXVendorPrivateReq,
+ vpreq);
+ ext_req = (xGLXCreateGLXPixmapWithConfigSGIXReq *)vpreq;
+ ext_req->reqType = dmxScreen->glxMajorOpcode;
+ ext_req->glxCode = X_GLXVendorPrivate;
+ ext_req->vendorCode = X_GLXvop_CreateGLXPixmapWithConfigSGIX;
+ ext_req->screen = DefaultScreen(dpy);
+ ext_req->fbconfig = be_FBConfig->id;
+ ext_req->pixmap = (unsigned int)be_pixmap;
+ ext_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+ else if (pGlxVisual) {
+ LockDisplay(dpy);
+ pGlxPixmap->be_xids[s] = XAllocID(dpy);
+ GetReq(GLXCreateGLXPixmap,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXCreateGLXPixmap;
+ be_req->screen = DefaultScreen(dpy);
+ be_req->visual = (unsigned int)glxMatchGLXVisualInConfigList(
+ pGlxVisual,
+ dmxScreen->glxVisuals,
+ dmxScreen->numGlxVisuals );
+ be_req->pixmap = (unsigned int)be_pixmap;
+ be_req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+ else {
+ client->errorValue = ( visual ? visual : fbconfigId );
+ free( pGlxPixmap );
+ return BadValue;
+ }
+
+ XFlush( dpy );
+ }
+
+ if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) {
+ free( pGlxPixmap );
+ return BadAlloc;
+ }
+
+ return Success;
+}
+
+int __glXCreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
+
+ return( CreateGLXPixmap(cl, req->visual, None,
+ req->screen, req->pixmap, req->glxpixmap) );
+}
+
+int __glXCreatePixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
+
+ return( CreateGLXPixmap(cl, None, req->fbconfig,
+ req->screen, req->pixmap, req->glxpixmap) );
+}
+
+int __glXDestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
+ XID glxpixmap = req->glxpixmap;
+ __GLXpixmap *pGlxPixmap;
+ int s;
+ int from_screen, to_screen;
+
+ /*
+ ** Check if it's a valid GLX pixmap.
+ */
+ dixLookupResourceByType((pointer*) &pGlxPixmap, glxpixmap,
+ __glXPixmapRes, NullClient, DixUnknownAccess);
+ if (!pGlxPixmap) {
+ client->errorValue = glxpixmap;
+ return __glXBadPixmap;
+ }
+ FreeResource(glxpixmap, FALSE);
+
+ /*
+ * destroy the pixmap on the back-end server(s).
+ */
+ from_screen = to_screen = pGlxPixmap->pDraw->pScreen->myNum;
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ /* make sure pixmap exist in back-end */
+ dmxSync( dmxScreen, 1 );
+
+ LockDisplay(dpy);
+ GetReq(GLXDestroyGLXPixmap,req);
+ req->reqType = dmxScreen->glxMajorOpcode;
+ req->glxCode = X_GLXDestroyGLXPixmap;
+ req->glxpixmap = (unsigned int)pGlxPixmap->be_xids[s];
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+
+
+ return Success;
+}
+
+/*****************************************************************************/
+
+/*
+** NOTE: There is no portable implementation for swap buffers as of
+** this time that is of value. Consequently, this code must be
+** implemented by somebody other than SGI.
+*/
+int __glXDoSwapBuffers(__GLXclientState *cl, XID drawId, GLXContextTag tag)
+{
+ ClientPtr client = cl->client;
+ DrawablePtr pDraw;
+ xGLXSwapBuffersReq *be_req;
+ WindowPtr pWin = NULL;
+ __GLXpixmap *pGlxPixmap = NULL;
+ __GLXcontext *glxc = NULL;
+#ifdef PANORAMIX
+ PanoramiXRes *pXinDraw = NULL;
+#endif
+ __glXWindow *pGlxWindow = NULL;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s, rc;
+
+ /*
+ ** Check that the GLX drawable is valid.
+ */
+ rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
+ if (rc == Success) {
+ from_screen = to_screen = pDraw->pScreen->myNum;
+
+ if (pDraw->type == DRAWABLE_WINDOW) {
+ /*
+ ** Drawable is an X window.
+ */
+ pWin = (WindowPtr)pDraw;
+ } else {
+ /*
+ ** Drawable is an X pixmap, which is not allowed.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+ }
+
+ if (!pDraw) {
+ dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
+ __glXPixmapRes, NullClient, DixUnknownAccess);
+ if (pGlxPixmap) {
+ /*
+ ** Drawable is a GLX pixmap.
+ */
+ pDraw = pGlxPixmap->pDraw;
+ from_screen = to_screen = pGlxPixmap->pScreen->myNum;
+ }
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
+ __glXWindowRes, NullClient, DixUnknownAccess);
+ if (pGlxWindow) {
+ /*
+ ** Drawable is a GLXWindow.
+ */
+ pDraw = pGlxWindow->pDraw;
+ from_screen = to_screen = pGlxWindow->pScreen->myNum;
+ }
+ }
+
+ if (!pDraw) {
+ /*
+ ** Drawable is neither a X window nor a GLX pixmap.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc) {
+ return __glXBadContextTag;
+ }
+ }
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ dixLookupResourceByClass((pointer*) &pXinDraw,
+ pDraw->id, XRC_DRAWABLE,
+ client, DixReadAccess);
+ }
+#endif
+
+ /* If requested, send a glFinish to all back-end servers before swapping. */
+ if (dmxGLXFinishSwap) {
+ for (s=from_screen; s<=to_screen; s++) {
+ Display *dpy = GetBackEndDisplay(cl,s);
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ xGLXSingleReq *finishReq;
+ xGLXSingleReply reply;
+
+#define X_GLXSingle 0 /* needed by GetReq below */
+
+ LockDisplay(dpy);
+ GetReq(GLXSingle,finishReq);
+ finishReq->reqType = dmxScreen->glxMajorOpcode;
+ finishReq->glxCode = X_GLsop_Finish;
+ finishReq->contextTag = (tag ? GetCurrentBackEndTag(cl,tag,s) : 0);
+ (void) _XReply(dpy, (xReply*) &reply, 0, False);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+ }
+
+ /* If requested, send an XSync to all back-end servers before swapping. */
+ if (dmxGLXSyncSwap) {
+ for (s=from_screen; s<=to_screen; s++)
+ XSync(GetBackEndDisplay(cl,s), False);
+ }
+
+
+ /* send the SwapBuffers request to all back-end servers */
+
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+ unsigned int be_draw = 0;
+
+ if (pGlxPixmap) {
+ be_draw = (unsigned int)pGlxPixmap->be_xids[s];
+ }
+#ifdef PANORAMIX
+ else if (pXinDraw) {
+ dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess);
+ }
+#endif
+ else if (pGlxWindow) {
+ pWin = (WindowPtr)pGlxWindow->pDraw;
+ }
+
+ if (pWin && !be_draw) {
+ be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ if (!be_draw) {
+ /* it might be that the window did not created yet on the */
+ /* back-end server (lazy window creation option), force */
+ /* creation of the window */
+ dmxCreateAndRealizeWindow( pWin, TRUE );
+ be_draw = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ }
+ }
+
+ dmxSync( dmxScreen, 1 );
+
+ LockDisplay(dpy);
+ GetReq(GLXSwapBuffers,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXSwapBuffers;
+ be_req->drawable = be_draw;
+ be_req->contextTag = ( tag ? GetCurrentBackEndTag(cl,tag,s) : 0 );
+ UnlockDisplay(dpy);
+ SyncHandle();
+ XFlush(dpy);
+ }
+
+ return Success;
+}
+
+int __glXSwapBuffers(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ DrawablePtr pDraw;
+ xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
+ GLXContextTag tag = req->contextTag;
+ XID drawId = req->drawable;
+ __GLXpixmap *pGlxPixmap = NULL;
+ __GLXcontext *glxc = NULL;
+ __glXWindow *pGlxWindow = NULL;
+ int rc;
+
+ /*
+ ** Check that the GLX drawable is valid.
+ */
+ rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess);
+ if (rc == Success) {
+ if (pDraw->type != DRAWABLE_WINDOW) {
+ /*
+ ** Drawable is an X pixmap, which is not allowed.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+ }
+
+ if (!pDraw) {
+ dixLookupResourceByType((pointer*) &pGlxPixmap, drawId,
+ __glXPixmapRes, NullClient, DixUnknownAccess);
+ if (pGlxPixmap) {
+ /*
+ ** Drawable is a GLX pixmap.
+ */
+ pDraw = pGlxPixmap->pDraw;
+ }
+ }
+
+ if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1,3) ) {
+ dixLookupResourceByType((pointer*) &pGlxWindow, drawId,
+ __glXWindowRes, NullClient, DixUnknownAccess);
+ if (pGlxWindow) {
+ /*
+ ** Drawable is a GLXWindow.
+ */
+ pDraw = pGlxWindow->pDraw;
+ }
+ }
+
+ if (!pDraw) {
+ /*
+ ** Drawable is neither a X window nor a GLX pixmap.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc) {
+ return __glXBadContextTag;
+ }
+ }
+
+ if (pDraw &&
+ pDraw->type == DRAWABLE_WINDOW &&
+ DMX_GET_WINDOW_PRIV((WindowPtr)pDraw)->swapGroup) {
+ return SGSwapBuffers(cl, drawId, tag, pDraw);
+ }
+
+ return __glXDoSwapBuffers(cl, drawId, tag);
+}
+
+
+/************************************************************************/
+
+/*
+** Render and Renderlarge are not in the GLX API. They are used by the GLX
+** client library to send batches of GL rendering commands.
+*/
+
+/*
+** Execute all the drawing commands in a request.
+*/
+int __glXRender(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderReq *req;
+ xGLXRenderReq *be_req;
+ int size;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+
+ /*
+ ** NOTE: much of this code also appears in the byteswapping version of this
+ ** routine, __glXSwapRender(). Any changes made here should also be
+ ** duplicated there.
+ */
+
+ req = (xGLXRenderReq *) pc;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXRenderReq;
+ size = (req->length << 2) - sz_xGLXRenderReq;
+
+ /*
+ * just forward the request to back-end server(s)
+ */
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReq(GLXRender,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXRender;
+ be_req->length = req->length;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ _XSend(dpy, (const char *)pc, size);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+
+ return Success;
+}
+
+/*
+** Execute a large rendering request (one that spans multiple X requests).
+*/
+int __glXRenderLarge(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderLargeReq *req;
+ xGLXRenderLargeReq *be_req;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+
+ /*
+ ** NOTE: much of this code also appears in the byteswapping version of this
+ ** routine, __glXSwapRenderLarge(). Any changes made here should also be
+ ** duplicated there.
+ */
+
+ req = (xGLXRenderLargeReq *) pc;
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXRenderLargeReq;
+
+ /*
+ * just forward the request to back-end server(s)
+ */
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ GetReq(GLXRenderLarge,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXRenderLarge;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ be_req->length = req->length;
+ be_req->requestNumber = req->requestNumber;
+ be_req->requestTotal = req->requestTotal;
+ be_req->dataBytes = req->dataBytes;
+ Data(dpy, (const char *)pc, req->dataBytes);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ }
+
+ return Success;
+}
+
+
+/************************************************************************/
+
+int __glXVendorPrivate(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req;
+
+ req = (xGLXVendorPrivateReq *) pc;
+
+ switch( req->vendorCode ) {
+
+ case X_GLvop_DeleteTexturesEXT:
+ return __glXVForwardSingleReq( cl, pc );
+ break;
+
+ case X_GLXvop_SwapIntervalSGI:
+ if (glxIsExtensionSupported("SGI_swap_control")) {
+ return __glXVForwardSingleReq( cl, pc );
+ }
+ else {
+ return Success;
+ }
+ break;
+
+#if 0 /* glx 1.3 */
+ case X_GLXvop_CreateGLXVideoSourceSGIX:
+ break;
+ case X_GLXvop_DestroyGLXVideoSourceSGIX:
+ break;
+ case X_GLXvop_CreateGLXPixmapWithConfigSGIX:
+ break;
+ case X_GLXvop_DestroyGLXPbufferSGIX:
+ break;
+ case X_GLXvop_ChangeDrawableAttributesSGIX:
+ break;
+#endif
+
+ case X_GLXvop_BindSwapBarrierSGIX:
+ return __glXBindSwapBarrierSGIX( cl, pc );
+ break;
+
+ case X_GLXvop_JoinSwapGroupSGIX:
+ return __glXJoinSwapGroupSGIX( cl, pc );
+ break;
+
+ case X_GLXvop_CreateContextWithConfigSGIX:
+ return __glXCreateContextWithConfigSGIX( cl, pc );
+ break;
+
+ default:
+ /*
+ ** unsupported private request
+ */
+ cl->client->errorValue = req->vendorCode;
+ return __glXUnsupportedPrivateRequest;
+ }
+
+ cl->client->errorValue = req->vendorCode;
+ return __glXUnsupportedPrivateRequest;
+
+}
+
+int __glXVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateWithReplyReq *req;
+
+ req = (xGLXVendorPrivateWithReplyReq *) pc;
+
+ switch( req->vendorCode ) {
+
+ case X_GLvop_GetConvolutionFilterEXT:
+ case X_GLvop_GetConvolutionParameterfvEXT:
+ case X_GLvop_GetConvolutionParameterivEXT:
+ case X_GLvop_GetSeparableFilterEXT:
+ case X_GLvop_GetHistogramEXT:
+ case X_GLvop_GetHistogramParameterivEXT:
+ case X_GLvop_GetMinmaxEXT:
+ case X_GLvop_GetMinmaxParameterfvEXT:
+ case X_GLvop_GetMinmaxParameterivEXT:
+ case X_GLvop_AreTexturesResidentEXT:
+ case X_GLvop_IsTextureEXT:
+ return( __glXVForwardPipe0WithReply(cl, pc) );
+ break;
+
+ case X_GLvop_GenTexturesEXT:
+ return( __glXVForwardAllWithReply(cl, pc) );
+ break;
+
+
+#if 0 /* glx1.3 */
+ case X_GLvop_GetDetailTexFuncSGIS:
+ case X_GLvop_GetSharpenTexFuncSGIS:
+ case X_GLvop_GetColorTableSGI:
+ case X_GLvop_GetColorTableParameterfvSGI:
+ case X_GLvop_GetColorTableParameterivSGI:
+ case X_GLvop_GetTexFilterFuncSGIS:
+ case X_GLvop_GetInstrumentsSGIX:
+ case X_GLvop_InstrumentsBufferSGIX:
+ case X_GLvop_PollInstrumentsSGIX:
+ case X_GLvop_FlushRasterSGIX:
+ case X_GLXvop_CreateGLXPbufferSGIX:
+ case X_GLXvop_GetDrawableAttributesSGIX:
+ case X_GLXvop_QueryHyperpipeNetworkSGIX:
+ case X_GLXvop_QueryHyperpipeConfigSGIX:
+ case X_GLXvop_HyperpipeConfigSGIX:
+ case X_GLXvop_DestroyHyperpipeConfigSGIX:
+#endif
+ case X_GLXvop_QueryMaxSwapBarriersSGIX:
+ return( __glXQueryMaxSwapBarriersSGIX(cl, pc) );
+ break;
+
+ case X_GLXvop_GetFBConfigsSGIX:
+ return( __glXGetFBConfigsSGIX(cl, pc) );
+ break;
+
+ case X_GLXvop_MakeCurrentReadSGI:
+ return( __glXMakeCurrentReadSGI(cl, pc) );
+ break;
+
+ case X_GLXvop_QueryContextInfoEXT:
+ return( __glXQueryContextInfoEXT(cl,pc) );
+ break;
+
+ default:
+ /*
+ ** unsupported private request
+ */
+ cl->client->errorValue = req->vendorCode;
+ return __glXUnsupportedPrivateRequest;
+ }
+
+}
+
+int __glXQueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;
+ xGLXQueryExtensionsStringReply reply;
+ GLint screen;
+ size_t length;
+ int len, numbytes;
+ char *be_buf;
+
+#ifdef FWD_QUERY_REQ
+ xGLXQueryExtensionsStringReq *be_req;
+ xGLXQueryExtensionsStringReply be_reply;
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+ int slop;
+#endif
+
+ screen = req->screen;
+
+ /*
+ ** Check if screen exists.
+ */
+ if ((screen < 0) || (screen >= screenInfo.numScreens)) {
+ client->errorValue = screen;
+ return BadValue;
+ }
+
+#ifdef FWD_QUERY_REQ
+ dmxScreen = &dmxScreens[screen];
+
+ /* Send the glXQueryServerString request */
+ dpy = GetBackEndDisplay(cl,screen);
+ LockDisplay(dpy);
+ GetReq(GLXQueryExtensionsString,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXQueryServerString;
+ be_req->screen = DefaultScreen(dpy);
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ len = (int)be_reply.length;
+ numbytes = (int)be_reply.n;
+ slop = numbytes * __GLX_SIZE_INT8 & 3;
+ be_buf = (char *)malloc(numbytes);
+ if (!be_buf) {
+ /* Throw data on the floor */
+ _XEatData(dpy, len);
+ } else {
+ _XRead(dpy, (char *)be_buf, numbytes);
+ if (slop) _XEatData(dpy,4-slop);
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+#else
+
+ be_buf = __glXGetServerString(GLX_EXTENSIONS);
+ numbytes = strlen(be_buf) + 1;
+ len = __GLX_PAD(numbytes) >> 2;
+
+#endif
+
+ length = len;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = len;
+ reply.n = numbytes;
+
+ if (client->swapped) {
+ glxSwapQueryExtensionsStringReply(client, &reply, be_buf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);
+ WriteToClient(client, (int)(length << 2), (char *)be_buf);
+ }
+
+ return Success;
+}
+
+int __glXQueryServerString(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;
+ xGLXQueryServerStringReply reply;
+ int name;
+ GLint screen;
+ size_t length;
+ int len, numbytes;
+ char *be_buf;
+#ifdef FWD_QUERY_REQ
+ xGLXQueryServerStringReq *be_req;
+ xGLXQueryServerStringReply be_reply;
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+ int slop;
+#endif
+
+ name = req->name;
+ screen = req->screen;
+ /*
+ ** Check if screen exists.
+ */
+ if ((screen < 0) || (screen >= screenInfo.numScreens)) {
+ client->errorValue = screen;
+ return BadValue;
+ }
+
+#ifdef FWD_QUERY_REQ
+ dmxScreen = &dmxScreens[screen];
+
+ /* Send the glXQueryServerString request */
+ dpy = GetBackEndDisplay(cl,screen);
+ LockDisplay(dpy);
+ GetReq(GLXQueryServerString,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXQueryServerString;
+ be_req->screen = DefaultScreen(dpy);
+ be_req->name = name;
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ len = (int)be_reply.length;
+ numbytes = (int)be_reply.n;
+ slop = numbytes * __GLX_SIZE_INT8 & 3;
+ be_buf = (char *)malloc(numbytes);
+ if (!be_buf) {
+ /* Throw data on the floor */
+ _XEatData(dpy, len);
+ } else {
+ _XRead(dpy, (char *)be_buf, numbytes);
+ if (slop) _XEatData(dpy,4-slop);
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+#else
+ be_buf = __glXGetServerString(name);
+ numbytes = strlen(be_buf) + 1;
+ len = __GLX_PAD(numbytes) >> 2;
+#endif
+
+ length = len;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = numbytes;
+
+ if (client->swapped) {
+ glxSwapQueryServerStringReply(client, &reply, be_buf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);
+ WriteToClient(client, (int)(length << 2), be_buf);
+ }
+
+ return Success;
+}
+
+int __glXClientInfo(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;
+ xGLXClientInfoReq *be_req;
+ const char *buf;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+
+ cl->GLClientmajorVersion = req->major;
+ cl->GLClientminorVersion = req->minor;
+ free(cl->GLClientextensions);
+ buf = (const char *)(req+1);
+ cl->GLClientextensions = strdup(buf);
+
+ to_screen = screenInfo.numScreens - 1;
+
+ for (s=from_screen; s<=to_screen; s++)
+ {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReq(GLXClientInfo,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXClientInfo;
+ be_req->major = req->major;
+ be_req->minor = req->minor;
+ be_req->length = req->length;
+ be_req->numbytes = req->numbytes;
+ Data(dpy, buf, req->numbytes);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+
+ return Success;
+}
+
+int __glXUseXFont(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXUseXFontReq *req;
+ xGLXUseXFontReq *be_req;
+ FontPtr pFont;
+ __GLXcontext *glxc = NULL;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+ dmxFontPrivPtr pFontPriv;
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+
+ req = (xGLXUseXFontReq *) pc;
+
+ if (req->contextTag != 0) {
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (glxc) {
+ from_screen = to_screen = glxc->pScreen->myNum;
+ }
+ }
+
+ /*
+ ** Font can actually be either the ID of a font or the ID of a GC
+ ** containing a font.
+ */
+ dixLookupResourceByType((pointer*) &pFont, req->font, RT_FONT,
+ NullClient, DixUnknownAccess);
+ if (!pFont) {
+ GC *pGC;
+ dixLookupResourceByType((pointer*) &pGC, req->font,
+ RT_GC, NullClient,
+ DixUnknownAccess);
+ if (!pGC) {
+ client->errorValue = req->font;
+ return BadFont;
+ }
+ pFont = pGC->font;
+ }
+
+ pFontPriv = FontGetPrivate(pFont, dmxFontPrivateIndex);
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+
+ for (s=from_screen; s<=to_screen; s++) {
+ dmxScreen = &dmxScreens[s];
+ dpy = GetBackEndDisplay(cl,s);
+
+ dmxSync( dmxScreen, 1 );
+
+ LockDisplay(dpy);
+ GetReq(GLXUseXFont,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXUseXFont;
+ be_req->contextTag = (glxc ? GetCurrentBackEndTag(cl,req->contextTag,s) : 0);
+ be_req->font = pFontPriv->font[s]->fid;
+ be_req->first = req->first;
+ be_req->count = req->count;
+ be_req->listBase = req->listBase;
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ XSync( dpy, False );
+ }
+
+ return Success;
+}
+
+/*
+ * start GLX 1.3 here
+ */
+
+int __glXGetFBConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
+ xGLXGetFBConfigsReply reply;
+ __GLXFBConfig *pFBConfig;
+ CARD32 buf[2 * __GLX_TOTAL_FBCONFIG_PROPS];
+ int numAttribs = __GLX_TOTAL_FBCONFIG_PROPS;
+ unsigned int screen = req->screen;
+ int numFBConfigs, i, p;
+ __GLXscreenInfo *pGlxScreen;
+
+ if (screen >= screenInfo.numScreens) {
+ /* The client library must send a valid screen number. */
+ client->errorValue = screen;
+ return BadValue;
+ }
+
+ pGlxScreen = &__glXActiveScreens[screen];
+ numFBConfigs = __glXNumFBConfigs;
+
+ reply.numFBConfigs = numFBConfigs;
+ reply.numAttribs = numAttribs;
+ reply.length = (numFBConfigs * 2 * numAttribs * __GLX_SIZE_CARD32) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.numFBConfigs);
+ __GLX_SWAP_INT(&reply.numAttribs);
+ }
+ WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);
+
+ for (i=0; i < numFBConfigs; i++) {
+ int associatedVisualId = 0;
+ int drawableTypeIndex;
+ pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1) ];
+
+ p = 0;
+ /* core attributes */
+ buf[p++] = GLX_FBCONFIG_ID;
+ buf[p++] = pFBConfig->id;
+ buf[p++] = GLX_BUFFER_SIZE;
+ buf[p++] = pFBConfig->indexBits;
+ buf[p++] = GLX_LEVEL;
+ buf[p++] = pFBConfig->level;
+ buf[p++] = GLX_DOUBLEBUFFER;
+ buf[p++] = pFBConfig->doubleBufferMode;
+ buf[p++] = GLX_STEREO;
+ buf[p++] = pFBConfig->stereoMode;
+ buf[p++] = GLX_AUX_BUFFERS;
+ buf[p++] = pFBConfig->maxAuxBuffers;
+ buf[p++] = GLX_RED_SIZE;
+ buf[p++] = pFBConfig->redBits;
+ buf[p++] = GLX_GREEN_SIZE;
+ buf[p++] = pFBConfig->greenBits;
+ buf[p++] = GLX_BLUE_SIZE;
+ buf[p++] = pFBConfig->blueBits;
+ buf[p++] = GLX_ALPHA_SIZE;
+ buf[p++] = pFBConfig->alphaBits;
+ buf[p++] = GLX_DEPTH_SIZE;
+ buf[p++] = pFBConfig->depthBits;
+ buf[p++] = GLX_STENCIL_SIZE;
+ buf[p++] = pFBConfig->stencilBits;
+ buf[p++] = GLX_ACCUM_RED_SIZE;
+ buf[p++] = pFBConfig->accumRedBits;
+ buf[p++] = GLX_ACCUM_GREEN_SIZE;
+ buf[p++] = pFBConfig->accumGreenBits;
+ buf[p++] = GLX_ACCUM_BLUE_SIZE;
+ buf[p++] = pFBConfig->accumBlueBits;
+ buf[p++] = GLX_ACCUM_ALPHA_SIZE;
+ buf[p++] = pFBConfig->accumAlphaBits;
+ buf[p++] = GLX_RENDER_TYPE;
+ buf[p++] = pFBConfig->renderType;
+ buf[p++] = GLX_DRAWABLE_TYPE;
+ drawableTypeIndex = p;
+ buf[p++] = pFBConfig->drawableType;
+ buf[p++] = GLX_X_VISUAL_TYPE;
+ buf[p++] = pFBConfig->visualType;
+ buf[p++] = GLX_CONFIG_CAVEAT;
+ buf[p++] = pFBConfig->visualCaveat;
+ buf[p++] = GLX_TRANSPARENT_TYPE;
+ buf[p++] = pFBConfig->transparentType;
+ buf[p++] = GLX_TRANSPARENT_RED_VALUE;
+ buf[p++] = pFBConfig->transparentRed;
+ buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;
+ buf[p++] = pFBConfig->transparentGreen;
+ buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;
+ buf[p++] = pFBConfig->transparentBlue;
+ buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;
+ buf[p++] = pFBConfig->transparentAlpha;
+ buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;
+ buf[p++] = pFBConfig->transparentIndex;
+ buf[p++] = GLX_MAX_PBUFFER_WIDTH;
+ buf[p++] = pFBConfig->maxPbufferWidth;
+ buf[p++] = GLX_MAX_PBUFFER_HEIGHT;
+ buf[p++] = pFBConfig->maxPbufferHeight;
+ buf[p++] = GLX_MAX_PBUFFER_PIXELS;
+ buf[p++] = pFBConfig->maxPbufferPixels;
+
+ /*
+ * find the visual of the back-end server and match a visual
+ * on the proxy.
+ * do only once - if a visual is not yet associated.
+ */
+ if (pFBConfig->associatedVisualId == (unsigned int)-1) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[screen];
+ __GLXFBConfig *be_pFBConfig = __glXFBConfigs[ i * (screenInfo.numScreens+1)+screen+1 ];
+ __GLXvisualConfig *pGlxVisual = NULL;
+ int v;
+ int found = 0;
+ for (v=0; v<dmxScreen->numGlxVisuals; v++) {
+ if (dmxScreen->glxVisuals[v].vid == be_pFBConfig->associatedVisualId) {
+ pGlxVisual = &dmxScreen->glxVisuals[v];
+ break;
+ }
+ }
+
+ if (pGlxVisual) {
+ for (v=0; v<pGlxScreen->numVisuals; v++) {
+ if (glxVisualsMatch(&pGlxScreen->pGlxVisual[v], pGlxVisual)) {
+ associatedVisualId = pGlxScreen->pGlxVisual[v].vid;
+ found = 1;
+ break;
+ }
+ }
+ }
+
+ if (!found) {
+ associatedVisualId = 0;
+ pFBConfig->drawableType &= ~(GLX_WINDOW_BIT);
+ buf[drawableTypeIndex] = pFBConfig->drawableType;
+ }
+#ifdef PANORAMIX
+ else if (!noPanoramiXExtension) {
+ /* convert the associated visualId to the panoramix one */
+ pFBConfig->associatedVisualId =
+ PanoramiXTranslateVisualID(screen, v);
+ }
+#endif
+ }
+ else {
+ associatedVisualId = pFBConfig->associatedVisualId;
+ }
+
+ buf[p++] = GLX_VISUAL_ID;
+ buf[p++] = associatedVisualId;
+
+ /* SGIS_multisample attributes */
+ buf[p++] = GLX_SAMPLES_SGIS;
+ buf[p++] = pFBConfig->multiSampleSize;
+ buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
+ buf[p++] = pFBConfig->nMultiSampleBuffers;
+
+ /* SGIX_pbuffer specific attributes */
+ buf[p++] = GLX_OPTIMAL_PBUFFER_WIDTH_SGIX;
+ buf[p++] = pFBConfig->optimalPbufferWidth;
+ buf[p++] = GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX;
+ buf[p++] = pFBConfig->optimalPbufferHeight;
+
+ buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX;
+ buf[p++] = pFBConfig->visualSelectGroup;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+ __GLX_SWAP_INT_ARRAY((int *)buf, 2*numAttribs);
+ }
+ WriteToClient(client, 2*numAttribs * __GLX_SIZE_CARD32, (char *)buf);
+ }
+ return Success;
+}
+
+int __glXGetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)pc;
+ xGLXGetFBConfigsReq new_req;
+
+ new_req.reqType = req->reqType;
+ new_req.glxCode = req->glxCode;
+ new_req.length = req->length;
+ new_req.screen = req->screen;
+
+ return( __glXGetFBConfigs( cl, (GLbyte *)&new_req ) );
+}
+
+
+int __glXCreateWindow(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
+ int screen = req->screen;
+ GLXFBConfigID fbconfigId = req->fbconfig;
+ XID windowId = req->window;
+ XID glxwindowId = req->glxwindow;
+ DrawablePtr pDraw;
+ ScreenPtr pScreen;
+ __glXWindow *pGlxWindow;
+ __GLXFBConfig *pGlxFBConfig = NULL;
+ VisualPtr pVisual;
+ VisualID visId;
+ int i, rc;
+ pointer val;
+
+ /*
+ ** Check if windowId is valid
+ */
+ rc = dixLookupDrawable(&pDraw, windowId, client, M_DRAWABLE_WINDOW,
+ DixAddAccess);
+ if (rc != Success)
+ return rc;
+
+ /*
+ ** Check if screen of window matches screen of fbconfig.
+ */
+ pScreen = pDraw->pScreen;
+ if (screen != pScreen->myNum) {
+ return BadMatch;
+ }
+
+ /*
+ ** Find the FBConfigRec for this fbconfigid.
+ */
+ if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
+ client->errorValue = fbconfigId;
+ return __glXBadFBConfig;
+ }
+ visId = pGlxFBConfig->associatedVisualId;
+
+ /*
+ ** Check if the fbconfig supports rendering to windows
+ */
+ if( !(pGlxFBConfig->drawableType & GLX_WINDOW_BIT) ) {
+ return BadMatch;
+ }
+
+ if (visId != None) {
+ /*
+ ** Check if the visual ID is valid for this screen.
+ */
+ pVisual = pScreen->visuals;
+ for (i = 0; i < pScreen->numVisuals; i++, pVisual++) {
+ if (pVisual->vid == visId) {
+ break;
+ }
+ }
+ if (i == pScreen->numVisuals) {
+ client->errorValue = visId;
+ return BadValue;
+ }
+
+ /*
+ ** Check if color buffer depth of fbconfig matches depth
+ ** of window.
+ */
+ if (pVisual->nplanes != pDraw->depth) {
+ return BadMatch;
+ }
+ } else
+ /*
+ ** The window was created with no visual that corresponds
+ ** to fbconfig
+ */
+ return BadMatch;
+
+ /*
+ ** Check if there is already a fbconfig associated with this window
+ */
+ if (Success == dixLookupResourceByType(&val,
+ glxwindowId, __glXWindowRes,
+ NullClient, DixUnknownAccess)) {
+ client->errorValue = glxwindowId;
+ return BadAlloc;
+ }
+
+ pGlxWindow = (__glXWindow *) malloc(sizeof(__glXWindow));
+ if (!pGlxWindow) {
+ return BadAlloc;
+ }
+
+ /*
+ ** Register this GLX window as a resource
+ */
+ if (!(AddResource(glxwindowId, __glXWindowRes, pGlxWindow))) {
+ return BadAlloc;
+ }
+
+ pGlxWindow->pDraw = pDraw;
+ pGlxWindow->type = GLX_GLXWINDOW_TYPE;
+ pGlxWindow->idExists = True;
+ pGlxWindow->refcnt = 0;
+ pGlxWindow->pGlxFBConfig = pGlxFBConfig;
+ pGlxWindow->pScreen = pScreen;
+
+ return Success;
+}
+
+int __glXDestroyWindow(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
+ XID glxwindow = req->glxwindow;
+ pointer val;
+
+ /*
+ ** Check if it's a valid GLX window.
+ */
+ if (Success != dixLookupResourceByType(&val,
+ glxwindow, __glXWindowRes,
+ NullClient, DixUnknownAccess)) {
+ client->errorValue = glxwindow;
+ return __glXBadDrawable;
+ }
+ /*
+ ** The glx window destructor will check whether it's current before
+ ** freeing anything.
+ */
+ FreeResource(glxwindow, RT_NONE);
+
+ return Success;
+}
+
+int __glXQueryContext(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ __GLXcontext *ctx;
+ xGLXQueryContextReq *req;
+ xGLXQueryContextReply reply;
+ int nProps;
+ int *sendBuf, *pSendBuf;
+ int nReplyBytes;
+
+ req = (xGLXQueryContextReq *)pc;
+ dixLookupResourceByType((pointer*) &ctx, req->context, __glXContextRes,
+ NullClient, DixUnknownAccess);
+ if (!ctx) {
+ client->errorValue = req->context;
+ return __glXBadContext;
+ }
+
+ nProps = 3;
+
+ reply.length = nProps << 1;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.n = nProps;
+
+ nReplyBytes = reply.length << 2;
+ sendBuf = (int *)malloc(nReplyBytes);
+ pSendBuf = sendBuf;
+ *pSendBuf++ = GLX_FBCONFIG_ID;
+ *pSendBuf++ = (int)(ctx->pFBConfig->id);
+ *pSendBuf++ = GLX_RENDER_TYPE;
+ *pSendBuf++ = (int)(ctx->pFBConfig->renderType);
+ *pSendBuf++ = GLX_SCREEN;
+ *pSendBuf++ = (int)(ctx->pScreen->myNum);
+
+ if (client->swapped) {
+ __glXSwapQueryContextReply(client, &reply, sendBuf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryContextReply, (char *)&reply);
+ WriteToClient(client, nReplyBytes, (char *)sendBuf);
+ }
+ free((char *)sendBuf);
+
+ return Success;
+}
+
+int __glXQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ __GLXcontext *ctx;
+ xGLXQueryContextInfoEXTReq *req;
+ xGLXQueryContextInfoEXTReply reply;
+ int nProps;
+ int *sendBuf, *pSendBuf;
+ int nReplyBytes;
+
+ req = (xGLXQueryContextInfoEXTReq *)pc;
+ dixLookupResourceByType((pointer*) &ctx,
+ req->context, __glXContextRes,
+ client, DixReadAccess);
+
+ if (!ctx) {
+ client->errorValue = req->context;
+ return __glXBadContext;
+ }
+
+ nProps = 4;
+
+ reply.length = nProps << 1;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.n = nProps;
+
+ nReplyBytes = reply.length << 2;
+ sendBuf = (int *)malloc(nReplyBytes);
+ pSendBuf = sendBuf;
+ *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;
+ *pSendBuf++ = (int)(ctx->share_id);
+ *pSendBuf++ = GLX_VISUAL_ID_EXT;
+ *pSendBuf++ = (int)(ctx->pVisual ? ctx->pVisual->vid : 0);
+ *pSendBuf++ = GLX_SCREEN_EXT;
+ *pSendBuf++ = (int)(ctx->pScreen->myNum);
+ *pSendBuf++ = GLX_FBCONFIG_ID;
+ *pSendBuf++ = (int)(ctx->pFBConfig ? ctx->pFBConfig->id : 0);
+
+ if (client->swapped) {
+ __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);
+ WriteToClient(client, nReplyBytes, (char *)sendBuf);
+ }
+ free((char *)sendBuf);
+
+ return Success;
+}
+
+int __glXCreatePbuffer(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *)pc;
+ xGLXCreatePbufferReq *be_req;
+ int screen = req->screen;
+ GLXFBConfigID fbconfigId = req->fbconfig;
+ GLXPbuffer pbuffer = req->pbuffer;
+ __glXPbuffer *pGlxPbuffer;
+ int numAttribs = req->numAttribs;
+ int *attr;
+ ScreenPtr pScreen;
+ __GLXFBConfig *pGlxFBConfig;
+ __GLXFBConfig *be_pGlxFBConfig;
+ XID be_xid;
+ Display *dpy;
+ DMXScreenInfo *dmxScreen;
+ int s;
+ int from_screen, to_screen;
+
+ /*
+ ** Look up screen and FBConfig.
+ */
+ if (screen >= screenInfo.numScreens) {
+ /* The client library must send a valid screen number. */
+ client->errorValue = screen;
+ return BadValue;
+ }
+ pScreen = screenInfo.screens[screen];
+
+ /*
+ ** Find the FBConfigRec for this fbconfigid.
+ */
+ if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) {
+ client->errorValue = fbconfigId;
+ return __glXBadFBConfig;
+ }
+
+ /*
+ ** Create the GLX part of the Pbuffer.
+ */
+ pGlxPbuffer = (__glXPbuffer *) malloc(sizeof(__glXPbuffer));
+ if (!pGlxPbuffer) {
+ return BadAlloc;
+ }
+
+ pGlxPbuffer->be_xids = (XID *) malloc( sizeof(XID) * screenInfo.numScreens );
+ if (!pGlxPbuffer->be_xids) {
+ free(pGlxPbuffer);
+ return BadAlloc;
+ }
+
+ /*
+ * Allocate an XID on the back-end server(s) and send him the request
+ */
+ from_screen = to_screen = screen;
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ for (s=from_screen; s<=to_screen; s++) {
+ dpy = GetBackEndDisplay(cl,s);
+ be_xid = XAllocID(dpy);
+ dmxScreen = &dmxScreens[s];
+ be_pGlxFBConfig = glxLookupBackEndFBConfig( pGlxFBConfig->id, s );
+
+ attr = (int *)( req+1 );
+
+ LockDisplay(dpy);
+ GetReqExtra(GLXCreatePbuffer, 2 * numAttribs * __GLX_SIZE_CARD32, be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXCreatePbuffer;
+ be_req->screen = be_pGlxFBConfig->screen;
+ be_req->fbconfig = be_pGlxFBConfig->id;
+ be_req->pbuffer = be_xid;
+ be_req->numAttribs = numAttribs;
+
+ /* Send attributes */
+ if ( attr != NULL ) {
+ CARD32 *pc = (CARD32 *)(be_req + 1);
+
+ while (numAttribs-- > 0) {
+ *pc++ = *attr++; /* token */
+ *pc++ = *attr++; /* value */
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ pGlxPbuffer->be_xids[s] = be_xid;
+ }
+
+
+ pGlxPbuffer->idExists = True;
+ pGlxPbuffer->refcnt = 0;
+ pGlxPbuffer->pFBConfig = pGlxFBConfig;
+ pGlxPbuffer->pScreen = pScreen;
+
+ /*
+ ** Register the resource.
+ */
+ if (!(AddResource(pbuffer, __glXPbufferRes, pGlxPbuffer))) {
+ return BadAlloc;
+ }
+
+ return Success;
+
+}
+
+int __glXDestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
+ xGLXDestroyPbufferReq *be_req;
+ GLXPbuffer pbuffer = req->pbuffer;
+ Display *dpy;
+ int screen;
+ DMXScreenInfo *dmxScreen;
+ __glXPbuffer *pGlxPbuffer;
+ int s;
+ int from_screen, to_screen;
+
+ /*
+ ** Check if it's a valid Pbuffer
+ */
+ dixLookupResourceByType((pointer*) &pGlxPbuffer, pbuffer,
+ __glXPbufferRes, NullClient, DixUnknownAccess);
+ if (!pGlxPbuffer) {
+ client->errorValue = pbuffer;
+ return __glXBadPbuffer;
+ }
+
+ screen = pGlxPbuffer->pScreen->myNum;
+
+ from_screen = to_screen = screen;
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ for (s=from_screen; s<=to_screen; s++) {
+ dpy = GetBackEndDisplay(cl,s);
+ dmxScreen = &dmxScreens[s];
+
+ /* send the destroy request to the back-end server */
+ LockDisplay(dpy);
+ GetReq(GLXDestroyPbuffer, be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXDestroyPbuffer;
+ be_req->pbuffer = pGlxPbuffer->be_xids[s];
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+
+ FreeResource(pbuffer, RT_NONE);
+
+ return Success;
+}
+
+int __glXGetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
+ xGLXGetDrawableAttributesReq *be_req;
+ xGLXGetDrawableAttributesReply reply;
+ ClientPtr client = cl->client;
+ GLXDrawable drawId = req->drawable;
+ GLXDrawable be_drawable = 0;
+ DrawablePtr pDraw = NULL;
+ Display *dpy;
+ int screen, rc;
+ DMXScreenInfo *dmxScreen;
+ CARD32 *attribs = NULL;
+ int attribs_size = 0;
+#ifdef PANORAMIX
+ PanoramiXRes *pXinDraw = NULL;
+#endif
+
+ if (drawId != None) {
+ rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
+ if (rc == Success && pDraw->type == DRAWABLE_WINDOW) {
+ WindowPtr pWin = (WindowPtr)pDraw;
+ be_drawable = 0;
+ screen = pWin->drawable.pScreen->myNum;
+ } else {
+ /*
+ ** Drawable is not a Window , GLXWindow or a GLXPixmap.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ if (!pDraw) {
+ __GLXpixmap *pGlxPixmap;
+ dixLookupResourceByType((pointer*) &pGlxPixmap,
+ drawId, __glXPixmapRes,
+ NullClient, DixUnknownAccess);
+ if (pGlxPixmap) {
+ pDraw = pGlxPixmap->pDraw;
+ screen = pGlxPixmap->pScreen->myNum;
+ be_drawable = pGlxPixmap->be_xids[screen];
+ }
+ }
+
+ if (!pDraw) {
+ __glXWindow *pGlxWindow;
+ dixLookupResourceByType((pointer*) &pGlxWindow,
+ drawId, __glXWindowRes,
+ NullClient, DixUnknownAccess);
+ if (pGlxWindow) {
+ pDraw = pGlxWindow->pDraw;
+ screen = pGlxWindow->pScreen->myNum;
+ be_drawable = 0;
+ }
+ }
+
+ if (!pDraw) {
+ __glXPbuffer *pGlxPbuffer;
+ dixLookupResourceByType((pointer*) &pGlxPbuffer,
+ drawId, __glXPbufferRes,
+ NullClient, DixUnknownAccess);
+ if (pGlxPbuffer) {
+ pDraw = (DrawablePtr)pGlxPbuffer;
+ screen = pGlxPbuffer->pScreen->myNum;
+ be_drawable = pGlxPbuffer->be_xids[screen];
+ }
+ }
+ }
+
+ if (!pDraw) {
+ /*
+ ** Drawable is not a Window , GLXWindow or a GLXPixmap.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ /* if the drawable is a window or GLXWindow -
+ * we need to find the base id on the back-end server
+ */
+ if (!be_drawable) {
+ WindowPtr pWin = (WindowPtr)pDraw;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ if (Success != dixLookupResourceByClass((pointer*) &pXinDraw,
+ pDraw->id, XRC_DRAWABLE,
+ client, DixReadAccess)) {
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
+ DixReadAccess);
+ }
+#endif
+
+ if (pWin) {
+ be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ if (!be_drawable) {
+ /* it might be that the window did not created yet on the */
+ /* back-end server (lazy window creation option), force */
+ /* creation of the window */
+ dmxCreateAndRealizeWindow( pWin, TRUE );
+ be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ }
+ }
+ else {
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+ }
+
+
+ /* send the request to the back-end server */
+ dpy = GetBackEndDisplay(cl,screen);
+ dmxScreen = &dmxScreens[screen];
+
+ /* make sure drawable exists on back-end */
+ dmxSync( dmxScreen, 1 );
+
+ LockDisplay(dpy);
+ GetReq(GLXGetDrawableAttributes, be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXGetDrawableAttributes;
+ be_req->drawable = be_drawable;
+ be_req->length = req->length;
+ if (!_XReply(dpy, (xReply *) &reply, 0, False)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return( BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code) );
+ }
+
+ if (reply.numAttribs) {
+ attribs_size = 2 * reply.numAttribs * __GLX_SIZE_CARD32;
+ attribs = (CARD32 *) malloc(attribs_size);
+ if (attribs == NULL) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return BadAlloc;
+ }
+
+ _XRead(dpy, (char *) attribs, attribs_size);
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+
+ /* send the reply back to the client */
+ reply.sequenceNumber = client->sequence;
+ if (client->swapped) {
+ __glXSwapGetDrawableAttributesReply(client, &reply, (int *)attribs);
+ }
+ else {
+ WriteToClient(client, sz_xGLXGetDrawableAttributesReply, (char *)&reply);
+ WriteToClient(client, attribs_size, (char *)attribs);
+ }
+
+ free(attribs);
+
+ return Success;
+}
+
+int __glXChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXChangeDrawableAttributesReq *req = (xGLXChangeDrawableAttributesReq *)pc;
+ xGLXChangeDrawableAttributesReq *be_req;
+ ClientPtr client = cl->client;
+ GLXDrawable drawId = req->drawable;
+ GLXDrawable be_drawable = 0;
+ DrawablePtr pDraw = NULL;
+ Display *dpy;
+ int screen, rc;
+ DMXScreenInfo *dmxScreen;
+
+ if (drawId != None) {
+ rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixSetAttrAccess);
+ if (rc == Success && pDraw->type == DRAWABLE_WINDOW) {
+ be_drawable = 0;
+ screen = pDraw->pScreen->myNum;
+ } else {
+ /*
+ ** Drawable is not a Window , GLXWindow or a GLXPixmap.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ if (!pDraw) {
+ __GLXpixmap *pGlxPixmap;
+ dixLookupResourceByType((pointer*) &pGlxPixmap,
+ drawId, __glXPixmapRes,
+ NullClient, DixUnknownAccess);
+ if (pGlxPixmap) {
+ pDraw = pGlxPixmap->pDraw;
+ screen = pGlxPixmap->pScreen->myNum;
+ be_drawable = pGlxPixmap->be_xids[screen];
+ }
+ }
+
+ if (!pDraw) {
+ __glXWindow *pGlxWindow;
+ dixLookupResourceByType((pointer*) &pGlxWindow,
+ drawId, __glXWindowRes,
+ NullClient, DixUnknownAccess);
+ if (pGlxWindow) {
+ pDraw = pGlxWindow->pDraw;
+ screen = pGlxWindow->pScreen->myNum;
+ be_drawable = 0;
+ }
+ }
+
+ if (!pDraw) {
+ __glXPbuffer *pGlxPbuffer;
+ dixLookupResourceByType((pointer*) &pGlxPbuffer,
+ drawId, __glXPbufferRes,
+ NullClient, DixUnknownAccess);
+ if (pGlxPbuffer) {
+ pDraw = (DrawablePtr)pGlxPbuffer;
+ screen = pGlxPbuffer->pScreen->myNum;
+ be_drawable = pGlxPbuffer->be_xids[screen];
+ }
+ }
+ }
+
+ if (!pDraw) {
+ /*
+ ** Drawable is not a Window , GLXWindow or a GLXPixmap.
+ */
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ /* if the drawable is a window or GLXWindow -
+ * we need to find the base id on the back-end server
+ */
+ if (!be_drawable) {
+ WindowPtr pWin = (WindowPtr)pDraw;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ PanoramiXRes *pXinDraw;
+ if (Success != dixLookupResourceByClass((pointer*) &pXinDraw,
+ pDraw->id, XRC_DRAWABLE,
+ client, DixReadAccess)) {
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+
+ dixLookupWindow(&pWin, pXinDraw->info[screen].id, client,
+ DixReadAccess);
+ }
+#endif
+
+ if (pWin) {
+ be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ if (!be_drawable) {
+ /* it might be that the window did not created yet on the */
+ /* back-end server (lazy window creation option), force */
+ /* creation of the window */
+ dmxCreateAndRealizeWindow( pWin, TRUE );
+ be_drawable = (unsigned int)(DMX_GET_WINDOW_PRIV(pWin))->window;
+ }
+ }
+ else {
+ client->errorValue = drawId;
+ return __glXBadDrawable;
+ }
+ }
+
+
+ /* send the request to the back-end server */
+ dpy = GetBackEndDisplay(cl,screen);
+ dmxScreen = &dmxScreens[screen];
+
+ /* make sure drawable exists on back-end */
+ dmxSync( dmxScreen, 1 );
+
+ LockDisplay(dpy);
+ GetReqExtra(GLXChangeDrawableAttributes,
+ 2 * req->numAttribs * __GLX_SIZE_CARD32, be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLXChangeDrawableAttributes;
+ be_req->drawable = be_drawable;
+ be_req->numAttribs = req->numAttribs;
+ be_req->length = req->length;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int __glXSendLargeCommand(__GLXclientState *cl, GLXContextTag contextTag)
+{
+ ClientPtr client = cl->client;
+ xGLXRenderLargeReq *req;
+ GLint maxSize, amount;
+ GLint totalRequests, requestNumber;
+ GLint dataLen;
+ GLbyte *data;
+ __GLXcontext *glxc;
+ int s;
+ int from_screen, to_screen;
+
+ maxSize = cl->largeCmdMaxReqDataSize - (GLint)sizeof(xGLXRenderLargeReq);
+ dataLen = cl->largeCmdBytesTotal;
+ totalRequests = (dataLen / maxSize);
+ if (dataLen % maxSize) totalRequests++;
+
+ glxc = __glXLookupContextByTag(cl, contextTag);
+ if (!glxc) {
+ client->errorValue = contextTag;
+ return __glXBadContext;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ /*
+ ** Send enough requests until the whole array is sent.
+ */
+ requestNumber = 1;
+ data = cl->largeCmdBuf;
+ while (dataLen > 0) {
+ amount = dataLen;
+ if (amount > maxSize) {
+ amount = maxSize;
+ }
+
+ for (s=from_screen; s<=to_screen; s++) {
+
+ Display *dpy = GetBackEndDisplay(cl,s);
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+
+ LockDisplay(dpy);
+ GetReq(GLXRenderLarge,req);
+ req->reqType = dmxScreen->glxMajorOpcode;
+ req->glxCode = X_GLXRenderLarge;
+ req->contextTag = GetCurrentBackEndTag(cl,contextTag,s);
+ req->length += (amount + 3) >> 2;
+ req->requestNumber = requestNumber++;
+ req->requestTotal = totalRequests;
+ req->dataBytes = amount;
+ Data(dpy, ((const char*)data), amount);
+ dataLen -= amount;
+ data = ((GLbyte *) data) + amount;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+ }
+
+ return Success;
+}
diff --git a/xorg-server/hw/dmx/glxProxy/glxsingle.c b/xorg-server/hw/dmx/glxProxy/glxsingle.c
index 33cc612a7..834c7b8d9 100644
--- a/xorg-server/hw/dmx/glxProxy/glxsingle.c
+++ b/xorg-server/hw/dmx/glxProxy/glxsingle.c
@@ -1,1016 +1,1016 @@
-/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-#include "dmxcb.h"
-
-#include "glxserver.h"
-#include "glxext.h"
-#include "g_disptab.h"
-/* #include "g_disptab_EXT.h" */
-#include "unpack.h"
-#include "glxutil.h"
-
-#include "GL/glxproto.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-/*
- * GetReqSingle - this is the equivalent of GetReq macro
- * from Xlibint.h but it does not set the reqType field (the opcode).
- * this is because the GL single opcodes has different naming convension
- * the other X opcodes (ie. X_GLsop_GetFloatv).
- */
-#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
-#define GetReqSingle(name, req) \
- WORD64ALIGN\
- if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
- _XFlush(dpy);\
- req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
- req->length = (SIZEOF(x##name##Req))>>2;\
- dpy->bufptr += SIZEOF(x##name##Req);\
- dpy->request++
-
-#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */
-#define GetReqSingle(name, req) \
- WORD64ALIGN\
- if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
- _XFlush(dpy);\
- req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
- req->length = (SIZEOF(x/**/name/**/Req))>>2;\
- dpy->bufptr += SIZEOF(x/**/name/**/Req);\
- dpy->request++
-#endif
-
-#define X_GLXSingle 0 /* needed by GetReqExtra */
-
-extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
-extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
-
-static int swap_vec_element_size = 0;
-
-static void SendSwappedReply( ClientPtr client,
- xGLXSingleReply *reply,
- char *buf,
- int buf_size )
-{
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply->sequenceNumber);
- __GLX_SWAP_INT(&reply->length);
- __GLX_SWAP_INT(&reply->retval);
- __GLX_SWAP_INT(&reply->size);
-
- if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
- /*
- * the reply has single component - need to swap pad3
- */
- if (swap_vec_element_size == 2) {
- __GLX_SWAP_SHORT(&reply->pad3);
- }
- else if (swap_vec_element_size == 4) {
- __GLX_SWAP_INT(&reply->pad3);
- __GLX_SWAP_INT(&reply->pad4); /* some requests use also pad4
- * i.e GetConvolutionFilter
- */
- }
- else if (swap_vec_element_size == 8) {
- __GLX_SWAP_DOUBLE(&reply->pad3);
- }
- }
- else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
- /*
- * the reply has vector of elements which needs to be swapped
- */
- int vsize = buf_size / swap_vec_element_size;
- char *p = buf;
- int i;
-
- for (i=0; i<vsize; i++) {
- if (swap_vec_element_size == 2) {
- __GLX_SWAP_SHORT(p);
- }
- else if (swap_vec_element_size == 4) {
- __GLX_SWAP_INT(p);
- }
- else if (swap_vec_element_size == 8) {
- __GLX_SWAP_DOUBLE(p);
- }
-
- p += swap_vec_element_size;
- }
-
- /*
- * swap pad words as well - for case that some single reply uses
- * them as well
- */
- __GLX_SWAP_INT(&reply->pad3);
- __GLX_SWAP_INT(&reply->pad4);
- __GLX_SWAP_INT(&reply->pad5);
- __GLX_SWAP_INT(&reply->pad6);
-
- }
-
- WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply);
- if (buf_size > 0)
- WriteToClient(client, buf_size, (char *)buf);
-
-}
-
-int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int buf_size;
- int s;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXSingleReq;
- buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
- /*
- * just forward the request to back-end server(s)
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReqSingle(GLXSingle,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
- UnlockDisplay(dpy);
- SyncHandle();
-
- if (req->glxCode == X_GLsop_Flush) {
- XFlush(dpy);
- }
-
- }
-
- return Success;
-}
-
-int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
-{
- ClientPtr client = cl->client;
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- xGLXSingleReply reply;
- xGLXSingleReply be_reply;
- __GLXcontext *glxc;
- int buf_size;
- char *be_buf = NULL;
- int be_buf_size;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return __glXBadContext;
- }
-
- pc += sz_xGLXSingleReq;
- buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
- dmxScreen = &dmxScreens[glxc->pScreen->myNum];
- dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
-
- /*
- * send the request to the first back-end server
- */
- LockDisplay(dpy);
- GetReqSingle(GLXSingle,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
-
- /*
- * get the reply from the back-end server
- */
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- be_buf_size = be_reply.length << 2;
- if (be_buf_size > 0) {
- be_buf = (char *)malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- /*
- * send the reply to the client
- */
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = be_reply.length;
- reply.retval = be_reply.retval;
- reply.size = be_reply.size;
- reply.pad3 = be_reply.pad3;
- reply.pad4 = be_reply.pad4;
-
- if (client->swapped) {
- SendSwappedReply( client, &reply, be_buf, be_buf_size );
- }
- else {
- WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
- if (be_buf_size > 0)
- WriteToClient(client, be_buf_size, (char *)be_buf);
- }
-
- if (be_buf_size > 0) free(be_buf);
-
- return Success;
-}
-
-int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
-{
- ClientPtr client = cl->client;
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- xGLXSingleReply reply;
- xGLXSingleReply be_reply;
- __GLXcontext *glxc;
- int buf_size;
- char *be_buf = NULL;
- int be_buf_size = 0;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXSingleReq;
- buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
- /*
- * send the request to the first back-end server(s)
- */
- for (s=to_screen; s>=from_screen; s--) {
- dmxScreen = &dmxScreens[s];
- dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReqSingle(GLXSingle,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
-
- /*
- * get the reply from the back-end server
- */
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- be_buf_size = be_reply.length << 2;
- if (be_buf_size > 0) {
- be_buf = (char *)malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- if (s > from_screen && be_buf_size > 0) {
- free(be_buf);
- }
- }
-
- /*
- * send the reply to the client
- */
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = be_reply.length;
- reply.retval = be_reply.retval;
- reply.size = be_reply.size;
- reply.pad3 = be_reply.pad3;
- reply.pad4 = be_reply.pad4;
-
- if (client->swapped) {
- SendSwappedReply( client, &reply, be_buf, be_buf_size );
- }
- else {
- WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
- if (be_buf_size > 0)
- WriteToClient(client, be_buf_size, (char *)be_buf);
- }
-
- if (be_buf_size > 0) free(be_buf);
-
- return Success;
-}
-
-int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXForwardSingleReq( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 2;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 4;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 8;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 2;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 4;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 8;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h,
- int *elementbits_return, int *rowbytes_return )
-{
- GLint elements, esize;
- GLint rowsize, padding;
-
- if (w < 0 || h < 0) {
- return -1;
- }
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_STENCIL_INDEX:
- case GL_DEPTH_COMPONENT:
- elements = 1;
- break;
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- case GL_ALPHA:
- case GL_LUMINANCE:
- elements = 1;
- break;
- case GL_LUMINANCE_ALPHA:
- elements = 2;
- break;
- case GL_RGB:
- case GL_BGR:
- elements = 3;
- break;
- case GL_RGBA:
- case GL_BGRA:
- case GL_ABGR_EXT:
- elements = 4;
- break;
- default:
- return -1;
- }
- /*
- ** According to the GLX protocol, each row must be padded to a multiple of
- ** 4 bytes. 4 bytes also happens to be the default alignment in the pixel
- ** store modes of the GL.
- */
- switch (type) {
- case GL_BITMAP:
- if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
- rowsize = ((w * elements)+7)/8;
- padding = rowsize % 4;
- if (padding) {
- rowsize += 4 - padding;
- }
- if (elementbits_return) *elementbits_return = elements;
- if (rowbytes_return) *rowbytes_return = rowsize;
- return rowsize * h;
- } else {
- return -1;
- }
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- esize = 1;
- break;
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- esize = 1;
- elements = 1;
- break;
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- esize = 2;
- break;
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- esize = 2;
- elements = 1;
- break;
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- esize = 4;
- break;
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- esize = 4;
- elements = 1;
- break;
- default:
- return -1;
- }
- rowsize = w * elements * esize;
- padding = rowsize % 4;
- if (padding) {
- rowsize += 4 - padding;
- }
-
- if (elementbits_return) *elementbits_return = esize*elements*8;
- if (rowbytes_return) *rowbytes_return = rowsize;
-
- return rowsize * h;
-}
-
-static int intersectRect( int x1, int x2, int y1, int y2,
- int X1, int X2, int Y1, int Y2,
- int *ix1, int *ix2, int *iy1, int *iy2 )
-{
- int right = (x2 < X2 ? x2 : X2);
- int bottom = (y2 < Y2 ? y2 : Y2);
- int left = (x1 > X1 ? x1 : X1);
- int top = (y1 > Y1 ? y1 : Y1);
- int width = right - left + 1;
- int height = bottom - top + 1;
-
- if ( (width <= 0) || (height <= 0) ) {
- *ix1 = *ix2 = *iy1 = *iy2 = 0;
- return 0;
- }
- else {
- *ix1 = left;
- *ix2 = right;
- *iy1 = top;
- *iy2 = bottom;
- return width * height;
- }
-
-}
-
-int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- xGLXReadPixelsReply reply;
- xGLXReadPixelsReply be_reply;
- GLbyte *be_pc;
- GLint x,y;
- GLsizei width, height;
- GLenum format, type;
- GLboolean swapBytes, lsbFirst;
- ClientPtr client = cl->client;
- DrawablePtr pDraw;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- char *buf;
- int buf_size;
- int s;
- int win_x1, win_x2;
- int win_y1, win_y2;
- int ebits, rowsize;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- if (client->swapped) {
- __GLX_SWAP_INT(&req->contextTag);
- }
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXSingleReq;
- x = *(GLint *)(pc + 0);
- y = *(GLint *)(pc + 4);
- width = *(GLsizei *)(pc + 8);
- height = *(GLsizei *)(pc + 12);
- format = *(GLenum *)(pc + 16);
- type = *(GLenum *)(pc + 20);
- swapBytes = *(GLboolean *)(pc + 24);
- lsbFirst = *(GLboolean *)(pc + 25);
-
- if (client->swapped) {
- __GLX_SWAP_INT(&x);
- __GLX_SWAP_INT(&y);
- __GLX_SWAP_INT(&width);
- __GLX_SWAP_INT(&height);
- __GLX_SWAP_INT(&format);
- __GLX_SWAP_INT(&type);
- swapBytes = !swapBytes;
- }
-
- buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize);
- if (buf_size > 0) {
- buf = (char *) malloc( buf_size );
- if ( !buf ) {
- return BadAlloc;
- }
- }
- else {
- buf_size = 0;
- buf = NULL;
- }
-
- if (buf_size > 0) {
- /*
- * Get the current drawable this context is bound to
- */
- pDraw = __glXLookupDrawableByTag( cl, req->contextTag );
- win_x1 = pDraw->x + x;
- win_x2 = win_x1 + width - 1;
- win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y;
- win_y2 = win_y1 + height - 1;
- if (pDraw->type != DRAWABLE_WINDOW) {
- from_screen = to_screen = 0;
- }
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- int scr_x1 = dmxScreen->rootXOrigin;
- int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1;
- int scr_y1 = dmxScreen->rootYOrigin;
- int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1;
- int wx1, wx2, wy1, wy2;
- int sx, sy, sw, sh;
- int npixels;
-
- /*
- * find the window portion that is on the current screen
- */
- if (pDraw->type == DRAWABLE_WINDOW) {
- npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2,
- win_x1, win_x2, win_y1, win_y2,
- &wx1, &wx2, &wy1, &wy2 );
- }
- else {
- wx1 = win_x1;
- wx2 = win_x2;
- wy1 = win_y1;
- wy2 = win_y2;
- npixels = (wx2-wx1+1) * (wy2-wy1+1);
- }
-
- if (npixels > 0) {
-
- /* send the request to the back-end server */
- LockDisplay(dpy);
- GetReqExtra(GLXSingle,__GLX_PAD(26),be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLsop_ReadPixels;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq);
-
- sx = wx1 - pDraw->x;
- sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height);
- sw = (wx2-wx1+1);
- sh = (wy2-wy1+1);
-
- *(GLint *)(be_pc + 0) = sx; /* x */
- *(GLint *)(be_pc + 4) = sy; /* y */
- *(GLsizei *)(be_pc + 8) = sw; /* width */
- *(GLsizei *)(be_pc + 12) = sh; /* height */
- *(GLenum *)(be_pc + 16) = format;
- *(GLenum *)(be_pc + 20) = type;
- *(GLboolean *)(be_pc + 24) = swapBytes;
- *(GLboolean *)(be_pc + 25) = lsbFirst;
-
- _XReply(dpy, (xReply*) &be_reply, 0, False);
-
- if (be_reply.length > 0) {
- char *be_buf;
- int be_buf_size = be_reply.length << 2;
-
- be_buf = (char *) malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
-
- /* copy pixels data to the right location of the */
- /* reply buffer */
- if ( type != GL_BITMAP ) {
- int pbytes = ebits / 8;
- char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes;
- char *src = be_buf;
- int pad = (pbytes * sw) % 4;
- int r;
-
- for (r=0; r<sh; r++) {
- memcpy( dst, src, pbytes*sw );
- dst += rowsize;
- src += (pbytes*sw + (pad ? 4-pad : 0) );
- }
- }
- else {
- /* this is a GL_BITMAP pixel type, should copy bits */
- int r;
- int src_rowsize = bits_to_bytes(sw * ebits);
- int src_pad = src_rowsize % 4;
- if ( src_pad ) {
- src_rowsize += (4 - src_pad);
- }
-
- for (r=0; r<sh; r++) {
- unsigned char dst_mask = 0x80 >> (sx % 8);
- unsigned char src_mask = 0x80;
- char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8;
- char *src = be_buf + r*src_rowsize;
- int b;
-
- for (b=0; b<sw*ebits; b++) {
- if ( *src & src_mask ) {
- *dst |= dst_mask;
- }
- else {
- *dst &= ~dst_mask;
- }
-
- if (dst_mask > 1) dst_mask >>= 1;
- else {
- dst_mask = 0x80;
- dst++;
- }
-
- if (src_mask > 1) src_mask >>= 1;
- else {
- src_mask = 0x80;
- src++;
- }
- }
- }
-
- }
-
- free( be_buf );
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- free( buf );
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- } /* of npixels > 0 */
-
- } /* of for loop */
-
- } /* of if buf_size > 0 */
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = buf_size >> 2;
-
- if (client->swapped) {
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- }
-
- WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply);
- if (buf_size > 0) {
- WriteToClient(client, buf_size, (char *)buf);
- free( buf );
- }
-
- return Success;
-}
-
-int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc)
-{
- __GLX_DECLARE_SWAP_VARIABLES;
- GLbyte *lpc = pc;
-
- lpc += sz_xGLXSingleReq;
- __GLX_SWAP_INT(lpc+0);
- __GLX_SWAP_INT(lpc+4);
- __GLX_SWAP_INT(lpc+8);
- __GLX_SWAP_INT(lpc+12);
-
- /* reverse swapBytes */
- *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16);
-
- return( __glXForwardPipe0WithReplySwap( cl, pc ) );
-}
-
-int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)
-{
- __GLX_DECLARE_SWAP_VARIABLES;
- GLbyte *lpc = pc;
-
- lpc += sz_xGLXSingleReq;
- __GLX_SWAP_INT(lpc+0);
- __GLX_SWAP_INT(lpc+4);
- __GLX_SWAP_INT(lpc+8);
-
- /* reverse swapBytes */
- *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12);
-
- return( __glXForwardPipe0WithReplySwap( cl, pc ) );
-}
-
-
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
+ * 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 including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. 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.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+#include "dmxfont.h"
+#include "dmxcb.h"
+
+#include "glxserver.h"
+#include "glxext.h"
+#include "g_disptab.h"
+/* #include "g_disptab_EXT.h" */
+#include "unpack.h"
+#include "glxutil.h"
+
+#include "GL/glxproto.h"
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+#endif
+
+/*
+ * GetReqSingle - this is the equivalent of GetReq macro
+ * from Xlibint.h but it does not set the reqType field (the opcode).
+ * this is because the GL single opcodes has different naming convension
+ * the other X opcodes (ie. X_GLsop_GetFloatv).
+ */
+#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
+#define GetReqSingle(name, req) \
+ WORD64ALIGN\
+ if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
+ _XFlush(dpy);\
+ req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
+ req->length = (SIZEOF(x##name##Req))>>2;\
+ dpy->bufptr += SIZEOF(x##name##Req);\
+ dpy->request++
+
+#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */
+#define GetReqSingle(name, req) \
+ WORD64ALIGN\
+ if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
+ _XFlush(dpy);\
+ req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
+ req->length = (SIZEOF(x/**/name/**/Req))>>2;\
+ dpy->bufptr += SIZEOF(x/**/name/**/Req);\
+ dpy->request++
+#endif
+
+#define X_GLXSingle 0 /* needed by GetReqExtra */
+
+extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
+extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
+
+static int swap_vec_element_size = 0;
+
+static void SendSwappedReply( ClientPtr client,
+ xGLXSingleReply *reply,
+ char *buf,
+ int buf_size )
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->retval);
+ __GLX_SWAP_INT(&reply->size);
+
+ if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
+ /*
+ * the reply has single component - need to swap pad3
+ */
+ if (swap_vec_element_size == 2) {
+ __GLX_SWAP_SHORT(&reply->pad3);
+ }
+ else if (swap_vec_element_size == 4) {
+ __GLX_SWAP_INT(&reply->pad3);
+ __GLX_SWAP_INT(&reply->pad4); /* some requests use also pad4
+ * i.e GetConvolutionFilter
+ */
+ }
+ else if (swap_vec_element_size == 8) {
+ __GLX_SWAP_DOUBLE(&reply->pad3);
+ }
+ }
+ else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
+ /*
+ * the reply has vector of elements which needs to be swapped
+ */
+ int vsize = buf_size / swap_vec_element_size;
+ char *p = buf;
+ int i;
+
+ for (i=0; i<vsize; i++) {
+ if (swap_vec_element_size == 2) {
+ __GLX_SWAP_SHORT(p);
+ }
+ else if (swap_vec_element_size == 4) {
+ __GLX_SWAP_INT(p);
+ }
+ else if (swap_vec_element_size == 8) {
+ __GLX_SWAP_DOUBLE(p);
+ }
+
+ p += swap_vec_element_size;
+ }
+
+ /*
+ * swap pad words as well - for case that some single reply uses
+ * them as well
+ */
+ __GLX_SWAP_INT(&reply->pad3);
+ __GLX_SWAP_INT(&reply->pad4);
+ __GLX_SWAP_INT(&reply->pad5);
+ __GLX_SWAP_INT(&reply->pad6);
+
+ }
+
+ WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply);
+ if (buf_size > 0)
+ WriteToClient(client, buf_size, (char *)buf);
+
+}
+
+int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ int buf_size;
+ int s;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXSingleReq;
+ buf_size = (req->length << 2) - sz_xGLXSingleReq;
+
+ /*
+ * just forward the request to back-end server(s)
+ */
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReqSingle(GLXSingle,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (req->glxCode == X_GLsop_Flush) {
+ XFlush(dpy);
+ }
+
+ }
+
+ return Success;
+}
+
+int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
+{
+ ClientPtr client = cl->client;
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ xGLXSingleReply reply;
+ xGLXSingleReply be_reply;
+ __GLXcontext *glxc;
+ int buf_size;
+ char *be_buf = NULL;
+ int be_buf_size;
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return __glXBadContext;
+ }
+
+ pc += sz_xGLXSingleReq;
+ buf_size = (req->length << 2) - sz_xGLXSingleReq;
+
+ dmxScreen = &dmxScreens[glxc->pScreen->myNum];
+ dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
+
+ /*
+ * send the request to the first back-end server
+ */
+ LockDisplay(dpy);
+ GetReqSingle(GLXSingle,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+
+ /*
+ * get the reply from the back-end server
+ */
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ be_buf_size = be_reply.length << 2;
+ if (be_buf_size > 0) {
+ be_buf = (char *)malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ /*
+ * send the reply to the client
+ */
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = be_reply.length;
+ reply.retval = be_reply.retval;
+ reply.size = be_reply.size;
+ reply.pad3 = be_reply.pad3;
+ reply.pad4 = be_reply.pad4;
+
+ if (client->swapped) {
+ SendSwappedReply( client, &reply, be_buf, be_buf_size );
+ }
+ else {
+ WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
+ if (be_buf_size > 0)
+ WriteToClient(client, be_buf_size, (char *)be_buf);
+ }
+
+ if (be_buf_size > 0) free(be_buf);
+
+ return Success;
+}
+
+int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
+{
+ ClientPtr client = cl->client;
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ xGLXSingleReply reply;
+ xGLXSingleReply be_reply;
+ __GLXcontext *glxc;
+ int buf_size;
+ char *be_buf = NULL;
+ int be_buf_size = 0;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXSingleReq;
+ buf_size = (req->length << 2) - sz_xGLXSingleReq;
+
+ /*
+ * send the request to the first back-end server(s)
+ */
+ for (s=to_screen; s>=from_screen; s--) {
+ dmxScreen = &dmxScreens[s];
+ dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReqSingle(GLXSingle,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+
+ /*
+ * get the reply from the back-end server
+ */
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ be_buf_size = be_reply.length << 2;
+ if (be_buf_size > 0) {
+ be_buf = (char *)malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (s > from_screen && be_buf_size > 0) {
+ free(be_buf);
+ }
+ }
+
+ /*
+ * send the reply to the client
+ */
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = be_reply.length;
+ reply.retval = be_reply.retval;
+ reply.size = be_reply.size;
+ reply.pad3 = be_reply.pad3;
+ reply.pad4 = be_reply.pad4;
+
+ if (client->swapped) {
+ SendSwappedReply( client, &reply, be_buf, be_buf_size );
+ }
+ else {
+ WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
+ if (be_buf_size > 0)
+ WriteToClient(client, be_buf_size, (char *)be_buf);
+ }
+
+ if (be_buf_size > 0) free(be_buf);
+
+ return Success;
+}
+
+int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXForwardSingleReq( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 2;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 4;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 8;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 2;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 4;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 8;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h,
+ int *elementbits_return, int *rowbytes_return )
+{
+ GLint elements, esize;
+ GLint rowsize, padding;
+
+ if (w < 0 || h < 0) {
+ return -1;
+ }
+ switch (format) {
+ case GL_COLOR_INDEX:
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_COMPONENT:
+ elements = 1;
+ break;
+ case GL_RED:
+ case GL_GREEN:
+ case GL_BLUE:
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ elements = 1;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ elements = 2;
+ break;
+ case GL_RGB:
+ case GL_BGR:
+ elements = 3;
+ break;
+ case GL_RGBA:
+ case GL_BGRA:
+ case GL_ABGR_EXT:
+ elements = 4;
+ break;
+ default:
+ return -1;
+ }
+ /*
+ ** According to the GLX protocol, each row must be padded to a multiple of
+ ** 4 bytes. 4 bytes also happens to be the default alignment in the pixel
+ ** store modes of the GL.
+ */
+ switch (type) {
+ case GL_BITMAP:
+ if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
+ rowsize = ((w * elements)+7)/8;
+ padding = rowsize % 4;
+ if (padding) {
+ rowsize += 4 - padding;
+ }
+ if (elementbits_return) *elementbits_return = elements;
+ if (rowbytes_return) *rowbytes_return = rowsize;
+ return rowsize * h;
+ } else {
+ return -1;
+ }
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ esize = 1;
+ break;
+ case GL_UNSIGNED_BYTE_3_3_2:
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ esize = 1;
+ elements = 1;
+ break;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ esize = 2;
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ esize = 2;
+ elements = 1;
+ break;
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ esize = 4;
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ case GL_UNSIGNED_INT_10_10_10_2:
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ esize = 4;
+ elements = 1;
+ break;
+ default:
+ return -1;
+ }
+ rowsize = w * elements * esize;
+ padding = rowsize % 4;
+ if (padding) {
+ rowsize += 4 - padding;
+ }
+
+ if (elementbits_return) *elementbits_return = esize*elements*8;
+ if (rowbytes_return) *rowbytes_return = rowsize;
+
+ return rowsize * h;
+}
+
+static int intersectRect( int x1, int x2, int y1, int y2,
+ int X1, int X2, int Y1, int Y2,
+ int *ix1, int *ix2, int *iy1, int *iy2 )
+{
+ int right = (x2 < X2 ? x2 : X2);
+ int bottom = (y2 < Y2 ? y2 : Y2);
+ int left = (x1 > X1 ? x1 : X1);
+ int top = (y1 > Y1 ? y1 : Y1);
+ int width = right - left + 1;
+ int height = bottom - top + 1;
+
+ if ( (width <= 0) || (height <= 0) ) {
+ *ix1 = *ix2 = *iy1 = *iy2 = 0;
+ return 0;
+ }
+ else {
+ *ix1 = left;
+ *ix2 = right;
+ *iy1 = top;
+ *iy2 = bottom;
+ return width * height;
+ }
+
+}
+
+int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ xGLXReadPixelsReply reply;
+ xGLXReadPixelsReply be_reply;
+ GLbyte *be_pc;
+ GLint x,y;
+ GLsizei width, height;
+ GLenum format, type;
+ GLboolean swapBytes, lsbFirst;
+ ClientPtr client = cl->client;
+ DrawablePtr pDraw;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ char *buf;
+ int buf_size;
+ int s;
+ int win_x1, win_x2;
+ int win_y1, win_y2;
+ int ebits, rowsize;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ if (client->swapped) {
+ __GLX_SWAP_INT(&req->contextTag);
+ }
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXSingleReq;
+ x = *(GLint *)(pc + 0);
+ y = *(GLint *)(pc + 4);
+ width = *(GLsizei *)(pc + 8);
+ height = *(GLsizei *)(pc + 12);
+ format = *(GLenum *)(pc + 16);
+ type = *(GLenum *)(pc + 20);
+ swapBytes = *(GLboolean *)(pc + 24);
+ lsbFirst = *(GLboolean *)(pc + 25);
+
+ if (client->swapped) {
+ __GLX_SWAP_INT(&x);
+ __GLX_SWAP_INT(&y);
+ __GLX_SWAP_INT(&width);
+ __GLX_SWAP_INT(&height);
+ __GLX_SWAP_INT(&format);
+ __GLX_SWAP_INT(&type);
+ swapBytes = !swapBytes;
+ }
+
+ buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize);
+ if (buf_size > 0) {
+ buf = (char *) malloc( buf_size );
+ if ( !buf ) {
+ return BadAlloc;
+ }
+ }
+ else {
+ buf_size = 0;
+ buf = NULL;
+ }
+
+ if (buf_size > 0) {
+ /*
+ * Get the current drawable this context is bound to
+ */
+ pDraw = __glXLookupDrawableByTag( cl, req->contextTag );
+ win_x1 = pDraw->x + x;
+ win_x2 = win_x1 + width - 1;
+ win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y;
+ win_y2 = win_y1 + height - 1;
+ if (pDraw->type != DRAWABLE_WINDOW) {
+ from_screen = to_screen = 0;
+ }
+
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+ int scr_x1 = dmxScreen->rootXOrigin;
+ int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1;
+ int scr_y1 = dmxScreen->rootYOrigin;
+ int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1;
+ int wx1, wx2, wy1, wy2;
+ int sx, sy, sw, sh;
+ int npixels;
+
+ /*
+ * find the window portion that is on the current screen
+ */
+ if (pDraw->type == DRAWABLE_WINDOW) {
+ npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2,
+ win_x1, win_x2, win_y1, win_y2,
+ &wx1, &wx2, &wy1, &wy2 );
+ }
+ else {
+ wx1 = win_x1;
+ wx2 = win_x2;
+ wy1 = win_y1;
+ wy2 = win_y2;
+ npixels = (wx2-wx1+1) * (wy2-wy1+1);
+ }
+
+ if (npixels > 0) {
+
+ /* send the request to the back-end server */
+ LockDisplay(dpy);
+ GetReqExtra(GLXSingle,__GLX_PAD(26),be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLsop_ReadPixels;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq);
+
+ sx = wx1 - pDraw->x;
+ sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height);
+ sw = (wx2-wx1+1);
+ sh = (wy2-wy1+1);
+
+ *(GLint *)(be_pc + 0) = sx; /* x */
+ *(GLint *)(be_pc + 4) = sy; /* y */
+ *(GLsizei *)(be_pc + 8) = sw; /* width */
+ *(GLsizei *)(be_pc + 12) = sh; /* height */
+ *(GLenum *)(be_pc + 16) = format;
+ *(GLenum *)(be_pc + 20) = type;
+ *(GLboolean *)(be_pc + 24) = swapBytes;
+ *(GLboolean *)(be_pc + 25) = lsbFirst;
+
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+
+ if (be_reply.length > 0) {
+ char *be_buf;
+ int be_buf_size = be_reply.length << 2;
+
+ be_buf = (char *) malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+
+ /* copy pixels data to the right location of the */
+ /* reply buffer */
+ if ( type != GL_BITMAP ) {
+ int pbytes = ebits / 8;
+ char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes;
+ char *src = be_buf;
+ int pad = (pbytes * sw) % 4;
+ int r;
+
+ for (r=0; r<sh; r++) {
+ memcpy( dst, src, pbytes*sw );
+ dst += rowsize;
+ src += (pbytes*sw + (pad ? 4-pad : 0) );
+ }
+ }
+ else {
+ /* this is a GL_BITMAP pixel type, should copy bits */
+ int r;
+ int src_rowsize = bits_to_bytes(sw * ebits);
+ int src_pad = src_rowsize % 4;
+ if ( src_pad ) {
+ src_rowsize += (4 - src_pad);
+ }
+
+ for (r=0; r<sh; r++) {
+ unsigned char dst_mask = 0x80 >> (sx % 8);
+ unsigned char src_mask = 0x80;
+ char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8;
+ char *src = be_buf + r*src_rowsize;
+ int b;
+
+ for (b=0; b<sw*ebits; b++) {
+ if ( *src & src_mask ) {
+ *dst |= dst_mask;
+ }
+ else {
+ *dst &= ~dst_mask;
+ }
+
+ if (dst_mask > 1) dst_mask >>= 1;
+ else {
+ dst_mask = 0x80;
+ dst++;
+ }
+
+ if (src_mask > 1) src_mask >>= 1;
+ else {
+ src_mask = 0x80;
+ src++;
+ }
+ }
+ }
+
+ }
+
+ free( be_buf );
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ free( buf );
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ } /* of npixels > 0 */
+
+ } /* of for loop */
+
+ } /* of if buf_size > 0 */
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = buf_size >> 2;
+
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ }
+
+ WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply);
+ if (buf_size > 0) {
+ WriteToClient(client, buf_size, (char *)buf);
+ free( buf );
+ }
+
+ return Success;
+}
+
+int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc)
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ GLbyte *lpc = pc;
+
+ lpc += sz_xGLXSingleReq;
+ __GLX_SWAP_INT(lpc+0);
+ __GLX_SWAP_INT(lpc+4);
+ __GLX_SWAP_INT(lpc+8);
+ __GLX_SWAP_INT(lpc+12);
+
+ /* reverse swapBytes */
+ *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16);
+
+ return( __glXForwardPipe0WithReplySwap( cl, pc ) );
+}
+
+int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ GLbyte *lpc = pc;
+
+ lpc += sz_xGLXSingleReq;
+ __GLX_SWAP_INT(lpc+0);
+ __GLX_SWAP_INT(lpc+4);
+ __GLX_SWAP_INT(lpc+8);
+
+ /* reverse swapBytes */
+ *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12);
+
+ return( __glXForwardPipe0WithReplySwap( cl, pc ) );
+}
+
+
diff --git a/xorg-server/hw/dmx/glxProxy/glxvendor.c b/xorg-server/hw/dmx/glxProxy/glxvendor.c
index 0b6ba4134..9dbc46daa 100644
--- a/xorg-server/hw/dmx/glxProxy/glxvendor.c
+++ b/xorg-server/hw/dmx/glxProxy/glxvendor.c
@@ -1,585 +1,585 @@
-/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-
-#include "glxserver.h"
-#include "glxext.h"
-#include "g_disptab.h"
-/* #include "g_disptab_EXT.h" */
-#include "unpack.h"
-#include "glxutil.h"
-
-#include "GL/glxproto.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-/*
- * GetReqVendorPrivate - this is the equivalent of GetReq macro
- * from Xlibint.h but it does not set the reqType field (the opcode).
- * this is because the GL single opcodes has different naming convension
- * the other X opcodes (ie. X_GLsop_GetFloatv).
- */
-#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
-#define GetReqVendorPrivate(name, req) \
- WORD64ALIGN\
- if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
- _XFlush(dpy);\
- req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
- req->length = (SIZEOF(x##name##Req))>>2;\
- dpy->bufptr += SIZEOF(x##name##Req);\
- dpy->request++
-
-#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */
-#define GetReqVendorPrivate(name, req) \
- WORD64ALIGN\
- if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
- _XFlush(dpy);\
- req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
- req->length = (SIZEOF(x/**/name/**/Req))>>2;\
- dpy->bufptr += SIZEOF(x/**/name/**/Req);\
- dpy->request++
-#endif
-
-extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
-extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
-
-static int swap_vec_element_size = 0;
-
-static void SendSwappedReply( ClientPtr client,
- xGLXVendorPrivReply *reply,
- char *buf,
- int buf_size )
-{
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply->sequenceNumber);
- __GLX_SWAP_INT(&reply->length);
- __GLX_SWAP_INT(&reply->retval);
- __GLX_SWAP_INT(&reply->size);
-
- if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
- /*
- * the reply has single component - need to swap pad3
- */
- if (swap_vec_element_size == 2) {
- __GLX_SWAP_SHORT(&reply->pad3);
- }
- else if (swap_vec_element_size == 4) {
- __GLX_SWAP_INT(&reply->pad3);
- __GLX_SWAP_INT(&reply->pad4);
- }
- else if (swap_vec_element_size == 8) {
- __GLX_SWAP_DOUBLE(&reply->pad3);
- }
- }
- else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
- /*
- * the reply has vector of elements which needs to be swapped
- */
- int vsize = buf_size / swap_vec_element_size;
- char *p = buf;
- int i;
-
- for (i=0; i<vsize; i++) {
- if (swap_vec_element_size == 2) {
- __GLX_SWAP_SHORT(p);
- }
- else if (swap_vec_element_size == 4) {
- __GLX_SWAP_INT(p);
- }
- else if (swap_vec_element_size == 8) {
- __GLX_SWAP_DOUBLE(p);
- }
-
- p += swap_vec_element_size;
- }
-
- __GLX_SWAP_INT(&reply->pad3);
- __GLX_SWAP_INT(&reply->pad4);
- __GLX_SWAP_INT(&reply->pad5);
- __GLX_SWAP_INT(&reply->pad6);
-
- }
-
- WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)reply);
- if (buf_size > 0)
- WriteToClient(client, buf_size, (char *)buf);
-
-}
-
-int __glXVForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- xGLXVendorPrivateReq *be_req;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int buf_size;
- int s;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXVendorPrivateReq;
- buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
-
- /*
- * just forward the request to back-end server(s)
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReqVendorPrivate(GLXVendorPrivate,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->vendorCode = req->vendorCode;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
- UnlockDisplay(dpy);
- SyncHandle();
- }
-
- return Success;
-}
-
-int __glXVForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
-{
- ClientPtr client = cl->client;
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- xGLXVendorPrivateReq *be_req;
- xGLXVendorPrivReply reply;
- xGLXVendorPrivReply be_reply;
- __GLXcontext *glxc;
- int buf_size;
- char *be_buf = NULL;
- int be_buf_size;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return __glXBadContext;
- }
-
- pc += sz_xGLXVendorPrivateReq;
- buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
-
- dmxScreen = &dmxScreens[glxc->pScreen->myNum];
- dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
-
- /*
- * send the request to the first back-end server
- */
- LockDisplay(dpy);
- GetReqVendorPrivate(GLXVendorPrivate,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->vendorCode = req->vendorCode;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag, glxc->pScreen->myNum);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
-
- /*
- * get the reply from the back-end server
- */
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- be_buf_size = be_reply.length << 2;
- if (be_buf_size > 0) {
- be_buf = (char *)malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- /*
- * send the reply to the client
- */
- memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- SendSwappedReply( client, &reply, be_buf, be_buf_size );
- }
- else {
- WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);
- if (be_buf_size > 0)
- WriteToClient(client, be_buf_size, (char *)be_buf);
- }
-
- if (be_buf_size > 0) free(be_buf);
-
- return Success;
-}
-
-int __glXVForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
-{
- ClientPtr client = cl->client;
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- xGLXVendorPrivateReq *be_req;
- xGLXVendorPrivReply reply;
- xGLXVendorPrivReply be_reply;
- __GLXcontext *glxc;
- int buf_size;
- char *be_buf = NULL;
- int be_buf_size = 0;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXVendorPrivateReq;
- buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
-
- /*
- * send the request to the first back-end server(s)
- */
- for (s=to_screen; s>=from_screen; s--) {
- dmxScreen = &dmxScreens[s];
- dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReqVendorPrivate(GLXVendorPrivate,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->vendorCode = req->vendorCode;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
-
- /*
- * get the reply from the back-end server
- */
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- be_buf_size = be_reply.length << 2;
- if (be_buf_size > 0) {
- be_buf = (char *)malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- if (s > from_screen && be_buf_size > 0) {
- free(be_buf);
- }
- }
-
- /*
- * send the reply to the client
- */
- memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- SendSwappedReply( client, &reply, be_buf, be_buf_size );
- }
- else {
- WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);
- if (be_buf_size > 0)
- WriteToClient(client, be_buf_size, (char *)be_buf);
- }
-
- if (be_buf_size > 0) free(be_buf);
-
- return Success;
-}
-
-int __glXVForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- return( __glXVForwardSingleReq( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 2;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 4;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 8;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 2;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 4;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
-int __glXVForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->vendorCode);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 8;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXVendorPrivateReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXVendorPrivateReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXVForwardAllWithReply( cl, pc ) );
-}
-
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
+ * 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 including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. 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.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+#include "dmxfont.h"
+
+#include "glxserver.h"
+#include "glxext.h"
+#include "g_disptab.h"
+/* #include "g_disptab_EXT.h" */
+#include "unpack.h"
+#include "glxutil.h"
+
+#include "GL/glxproto.h"
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+#endif
+
+/*
+ * GetReqVendorPrivate - this is the equivalent of GetReq macro
+ * from Xlibint.h but it does not set the reqType field (the opcode).
+ * this is because the GL single opcodes has different naming convension
+ * the other X opcodes (ie. X_GLsop_GetFloatv).
+ */
+#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
+#define GetReqVendorPrivate(name, req) \
+ WORD64ALIGN\
+ if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
+ _XFlush(dpy);\
+ req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
+ req->length = (SIZEOF(x##name##Req))>>2;\
+ dpy->bufptr += SIZEOF(x##name##Req);\
+ dpy->request++
+
+#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */
+#define GetReqVendorPrivate(name, req) \
+ WORD64ALIGN\
+ if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
+ _XFlush(dpy);\
+ req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
+ req->length = (SIZEOF(x/**/name/**/Req))>>2;\
+ dpy->bufptr += SIZEOF(x/**/name/**/Req);\
+ dpy->request++
+#endif
+
+extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
+extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
+
+static int swap_vec_element_size = 0;
+
+static void SendSwappedReply( ClientPtr client,
+ xGLXVendorPrivReply *reply,
+ char *buf,
+ int buf_size )
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->retval);
+ __GLX_SWAP_INT(&reply->size);
+
+ if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
+ /*
+ * the reply has single component - need to swap pad3
+ */
+ if (swap_vec_element_size == 2) {
+ __GLX_SWAP_SHORT(&reply->pad3);
+ }
+ else if (swap_vec_element_size == 4) {
+ __GLX_SWAP_INT(&reply->pad3);
+ __GLX_SWAP_INT(&reply->pad4);
+ }
+ else if (swap_vec_element_size == 8) {
+ __GLX_SWAP_DOUBLE(&reply->pad3);
+ }
+ }
+ else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
+ /*
+ * the reply has vector of elements which needs to be swapped
+ */
+ int vsize = buf_size / swap_vec_element_size;
+ char *p = buf;
+ int i;
+
+ for (i=0; i<vsize; i++) {
+ if (swap_vec_element_size == 2) {
+ __GLX_SWAP_SHORT(p);
+ }
+ else if (swap_vec_element_size == 4) {
+ __GLX_SWAP_INT(p);
+ }
+ else if (swap_vec_element_size == 8) {
+ __GLX_SWAP_DOUBLE(p);
+ }
+
+ p += swap_vec_element_size;
+ }
+
+ __GLX_SWAP_INT(&reply->pad3);
+ __GLX_SWAP_INT(&reply->pad4);
+ __GLX_SWAP_INT(&reply->pad5);
+ __GLX_SWAP_INT(&reply->pad6);
+
+ }
+
+ WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)reply);
+ if (buf_size > 0)
+ WriteToClient(client, buf_size, (char *)buf);
+
+}
+
+int __glXVForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ xGLXVendorPrivateReq *be_req;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ int buf_size;
+ int s;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXVendorPrivateReq;
+ buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
+
+ /*
+ * just forward the request to back-end server(s)
+ */
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReqVendorPrivate(GLXVendorPrivate,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->vendorCode = req->vendorCode;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+
+ return Success;
+}
+
+int __glXVForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
+{
+ ClientPtr client = cl->client;
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ xGLXVendorPrivateReq *be_req;
+ xGLXVendorPrivReply reply;
+ xGLXVendorPrivReply be_reply;
+ __GLXcontext *glxc;
+ int buf_size;
+ char *be_buf = NULL;
+ int be_buf_size;
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return __glXBadContext;
+ }
+
+ pc += sz_xGLXVendorPrivateReq;
+ buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
+
+ dmxScreen = &dmxScreens[glxc->pScreen->myNum];
+ dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
+
+ /*
+ * send the request to the first back-end server
+ */
+ LockDisplay(dpy);
+ GetReqVendorPrivate(GLXVendorPrivate,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->vendorCode = req->vendorCode;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag, glxc->pScreen->myNum);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+
+ /*
+ * get the reply from the back-end server
+ */
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ be_buf_size = be_reply.length << 2;
+ if (be_buf_size > 0) {
+ be_buf = (char *)malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ /*
+ * send the reply to the client
+ */
+ memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ SendSwappedReply( client, &reply, be_buf, be_buf_size );
+ }
+ else {
+ WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);
+ if (be_buf_size > 0)
+ WriteToClient(client, be_buf_size, (char *)be_buf);
+ }
+
+ if (be_buf_size > 0) free(be_buf);
+
+ return Success;
+}
+
+int __glXVForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
+{
+ ClientPtr client = cl->client;
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ xGLXVendorPrivateReq *be_req;
+ xGLXVendorPrivReply reply;
+ xGLXVendorPrivReply be_reply;
+ __GLXcontext *glxc;
+ int buf_size;
+ char *be_buf = NULL;
+ int be_buf_size = 0;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXVendorPrivateReq;
+ buf_size = (req->length << 2) - sz_xGLXVendorPrivateReq;
+
+ /*
+ * send the request to the first back-end server(s)
+ */
+ for (s=to_screen; s>=from_screen; s--) {
+ dmxScreen = &dmxScreens[s];
+ dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReqVendorPrivate(GLXVendorPrivate,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->vendorCode = req->vendorCode;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+
+ /*
+ * get the reply from the back-end server
+ */
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ be_buf_size = be_reply.length << 2;
+ if (be_buf_size > 0) {
+ be_buf = (char *)malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (s > from_screen && be_buf_size > 0) {
+ free(be_buf);
+ }
+ }
+
+ /*
+ * send the reply to the client
+ */
+ memcpy( &reply, &be_reply, sz_xGLXVendorPrivReply );
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ SendSwappedReply( client, &reply, be_buf, be_buf_size );
+ }
+ else {
+ WriteToClient(client, sizeof(xGLXVendorPrivReply),(char *)&reply);
+ if (be_buf_size > 0)
+ WriteToClient(client, be_buf_size, (char *)be_buf);
+ }
+
+ if (be_buf_size > 0) free(be_buf);
+
+ return Success;
+}
+
+int __glXVForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ return( __glXVForwardSingleReq( cl, pc ) );
+}
+
+int __glXVForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXVForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 2;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXVForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 4;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXVForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 8;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXVForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardAllWithReply( cl, pc ) );
+}
+
+int __glXVForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 2;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardAllWithReply( cl, pc ) );
+}
+
+int __glXVForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 4;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardAllWithReply( cl, pc ) );
+}
+
+int __glXVForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->vendorCode);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 8;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXVendorPrivateReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXVendorPrivateReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXVForwardAllWithReply( cl, pc ) );
+}
+
diff --git a/xorg-server/hw/dmx/glxProxy/render2swap.c b/xorg-server/hw/dmx/glxProxy/render2swap.c
index 81bb501ea..70ed5e802 100644
--- a/xorg-server/hw/dmx/glxProxy/render2swap.c
+++ b/xorg-server/hw/dmx/glxProxy/render2swap.c
@@ -1,286 +1,286 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
- * 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#include "glxserver.h"
-#include "unpack.h"
-#include "g_disptab.h"
-
-GLint __glEvalComputeK(GLenum target)
-{
- switch (target) {
- case GL_MAP1_VERTEX_4:
- case GL_MAP1_COLOR_4:
- case GL_MAP1_TEXTURE_COORD_4:
- case GL_MAP2_VERTEX_4:
- case GL_MAP2_COLOR_4:
- case GL_MAP2_TEXTURE_COORD_4:
- return 4;
- case GL_MAP1_VERTEX_3:
- case GL_MAP1_TEXTURE_COORD_3:
- case GL_MAP1_NORMAL:
- case GL_MAP2_VERTEX_3:
- case GL_MAP2_TEXTURE_COORD_3:
- case GL_MAP2_NORMAL:
- return 3;
- case GL_MAP1_TEXTURE_COORD_2:
- case GL_MAP2_TEXTURE_COORD_2:
- return 2;
- case GL_MAP1_TEXTURE_COORD_1:
- case GL_MAP2_TEXTURE_COORD_1:
- case GL_MAP1_INDEX:
- case GL_MAP2_INDEX:
- return 1;
- default:
- return 0;
- }
-}
-
-void __glXDispSwap_Map1f(GLbyte *pc)
-{
- GLint order, k;
- GLfloat u1, u2, *points;
- GLenum target;
- GLint compsize;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_INT(pc + 0);
- __GLX_SWAP_INT(pc + 12);
- __GLX_SWAP_FLOAT(pc + 4);
- __GLX_SWAP_FLOAT(pc + 8);
-
- target = *(GLenum *)(pc + 0);
- order = *(GLint *)(pc + 12);
- u1 = *(GLfloat *)(pc + 4);
- u2 = *(GLfloat *)(pc + 8);
- points = (GLfloat *)(pc + 16);
- k = __glEvalComputeK(target);
-
- if (order <= 0 || k < 0) {
- /* Erroneous command. */
- compsize = 0;
- } else {
- compsize = order * k;
- }
- __GLX_SWAP_FLOAT_ARRAY(points, compsize);
-
-}
-
-void __glXDispSwap_Map2f(GLbyte *pc)
-{
- GLint uorder, vorder, ustride, vstride, k;
- GLfloat u1, u2, v1, v2, *points;
- GLenum target;
- GLint compsize;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_INT(pc + 0);
- __GLX_SWAP_INT(pc + 12);
- __GLX_SWAP_INT(pc + 24);
- __GLX_SWAP_FLOAT(pc + 4);
- __GLX_SWAP_FLOAT(pc + 8);
- __GLX_SWAP_FLOAT(pc + 16);
- __GLX_SWAP_FLOAT(pc + 20);
-
- target = *(GLenum *)(pc + 0);
- uorder = *(GLint *)(pc + 12);
- vorder = *(GLint *)(pc + 24);
- u1 = *(GLfloat *)(pc + 4);
- u2 = *(GLfloat *)(pc + 8);
- v1 = *(GLfloat *)(pc + 16);
- v2 = *(GLfloat *)(pc + 20);
- points = (GLfloat *)(pc + 28);
-
- k = __glEvalComputeK(target);
- ustride = vorder * k;
- vstride = k;
-
- if (vorder <= 0 || uorder <= 0 || k < 0) {
- /* Erroneous command. */
- compsize = 0;
- } else {
- compsize = uorder * vorder * k;
- }
- __GLX_SWAP_FLOAT_ARRAY(points, compsize);
-
-}
-
-void __glXDispSwap_Map1d(GLbyte *pc)
-{
- GLint order, k, compsize;
- GLenum target;
- GLdouble u1, u2, *points;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_DOUBLE(pc + 0);
- __GLX_SWAP_DOUBLE(pc + 8);
- __GLX_SWAP_INT(pc + 16);
- __GLX_SWAP_INT(pc + 20);
-
- target = *(GLenum*) (pc + 16);
- order = *(GLint*) (pc + 20);
- k = __glEvalComputeK(target);
- if (order <= 0 || k < 0) {
- /* Erroneous command. */
- compsize = 0;
- } else {
- compsize = order * k;
- }
- __GLX_GET_DOUBLE(u1,pc);
- __GLX_GET_DOUBLE(u2,pc+8);
- __GLX_SWAP_DOUBLE_ARRAY(pc+24, compsize);
- pc += 24;
-
-#ifdef __GLX_ALIGN64
- if (((unsigned long)pc) & 7) {
- /*
- ** Copy the doubles up 4 bytes, trashing the command but aligning
- ** the data in the process
- */
- __GLX_MEM_COPY(pc-4, pc, compsize*8);
- points = (GLdouble*) (pc - 4);
- } else {
- points = (GLdouble*) pc;
- }
-#else
- points = (GLdouble*) pc;
-#endif
-}
-
-void __glXDispSwap_Map2d(GLbyte *pc)
-{
- GLdouble u1, u2, v1, v2, *points;
- GLint uorder, vorder, ustride, vstride, k, compsize;
- GLenum target;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_DOUBLE(pc + 0);
- __GLX_SWAP_DOUBLE(pc + 8);
- __GLX_SWAP_DOUBLE(pc + 16);
- __GLX_SWAP_DOUBLE(pc + 24);
- __GLX_SWAP_INT(pc + 32);
- __GLX_SWAP_INT(pc + 36);
- __GLX_SWAP_INT(pc + 40);
-
- target = *(GLenum *)(pc + 32);
- uorder = *(GLint *)(pc + 36);
- vorder = *(GLint *)(pc + 40);
- k = __glEvalComputeK(target);
- if (vorder <= 0 || uorder <= 0 || k < 0) {
- /* Erroneous command. */
- compsize = 0;
- } else {
- compsize = uorder * vorder * k;
- }
- __GLX_GET_DOUBLE(u1,pc);
- __GLX_GET_DOUBLE(u2,pc+8);
- __GLX_GET_DOUBLE(v1,pc+16);
- __GLX_GET_DOUBLE(v2,pc+24);
- __GLX_SWAP_DOUBLE_ARRAY(pc+44, compsize);
- pc += 44;
- ustride = vorder * k;
- vstride = k;
-
-#ifdef __GLX_ALIGN64
- if (((unsigned long)pc) & 7) {
- /*
- ** Copy the doubles up 4 bytes, trashing the command but aligning
- ** the data in the process
- */
- __GLX_MEM_COPY(pc-4, pc, compsize*8);
- points = (GLdouble*) (pc - 4);
- } else {
- points = (GLdouble*) pc;
- }
-#else
- points = (GLdouble*) pc;
-#endif
-}
-
-void __glXDispSwap_CallLists(GLbyte *pc)
-{
- GLenum type;
- GLsizei n;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_INT(pc + 4);
- __GLX_SWAP_INT(pc + 0);
- type = *(GLenum *)(pc + 4);
- n = *(GLsizei *)(pc + 0);
-
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_2_BYTES:
- case GL_3_BYTES:
- case GL_4_BYTES:
- break;
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- __GLX_SWAP_SHORT_ARRAY(pc+8, n);
- break;
- case GL_INT:
- case GL_UNSIGNED_INT:
- __GLX_SWAP_INT_ARRAY(pc+8, n);
- break;
- case GL_FLOAT:
- __GLX_SWAP_FLOAT_ARRAY(pc+8, n);
- break;
- }
-
-}
-
-void __glXDispSwap_DrawArrays(GLbyte *pc)
-{
- __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc;
- __GLXdispatchDrawArraysComponentHeader *compHeader;
- int i;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- __GLX_SWAP_INT(&hdr->numVertexes);
- __GLX_SWAP_INT(&hdr->numComponents);
- __GLX_SWAP_INT(&hdr->primType);
-
- pc += sizeof(__GLXdispatchDrawArraysHeader);
- compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
-
- /* compute stride (same for all component arrays) */
- for (i=0; i<hdr->numComponents; i++) {
- __GLX_SWAP_INT(&compHeader[i].datatype);
- __GLX_SWAP_INT(&compHeader[i].numVals);
- __GLX_SWAP_INT(&compHeader[i].component);
-
- }
-
-}
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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
+ * 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 including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. 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.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#include "glxserver.h"
+#include "unpack.h"
+#include "g_disptab.h"
+
+GLint __glEvalComputeK(GLenum target)
+{
+ switch (target) {
+ case GL_MAP1_VERTEX_4:
+ case GL_MAP1_COLOR_4:
+ case GL_MAP1_TEXTURE_COORD_4:
+ case GL_MAP2_VERTEX_4:
+ case GL_MAP2_COLOR_4:
+ case GL_MAP2_TEXTURE_COORD_4:
+ return 4;
+ case GL_MAP1_VERTEX_3:
+ case GL_MAP1_TEXTURE_COORD_3:
+ case GL_MAP1_NORMAL:
+ case GL_MAP2_VERTEX_3:
+ case GL_MAP2_TEXTURE_COORD_3:
+ case GL_MAP2_NORMAL:
+ return 3;
+ case GL_MAP1_TEXTURE_COORD_2:
+ case GL_MAP2_TEXTURE_COORD_2:
+ return 2;
+ case GL_MAP1_TEXTURE_COORD_1:
+ case GL_MAP2_TEXTURE_COORD_1:
+ case GL_MAP1_INDEX:
+ case GL_MAP2_INDEX:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+void __glXDispSwap_Map1f(GLbyte *pc)
+{
+ GLint order, k;
+ GLfloat u1, u2, *points;
+ GLenum target;
+ GLint compsize;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_INT(pc + 0);
+ __GLX_SWAP_INT(pc + 12);
+ __GLX_SWAP_FLOAT(pc + 4);
+ __GLX_SWAP_FLOAT(pc + 8);
+
+ target = *(GLenum *)(pc + 0);
+ order = *(GLint *)(pc + 12);
+ u1 = *(GLfloat *)(pc + 4);
+ u2 = *(GLfloat *)(pc + 8);
+ points = (GLfloat *)(pc + 16);
+ k = __glEvalComputeK(target);
+
+ if (order <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = order * k;
+ }
+ __GLX_SWAP_FLOAT_ARRAY(points, compsize);
+
+}
+
+void __glXDispSwap_Map2f(GLbyte *pc)
+{
+ GLint uorder, vorder, ustride, vstride, k;
+ GLfloat u1, u2, v1, v2, *points;
+ GLenum target;
+ GLint compsize;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_INT(pc + 0);
+ __GLX_SWAP_INT(pc + 12);
+ __GLX_SWAP_INT(pc + 24);
+ __GLX_SWAP_FLOAT(pc + 4);
+ __GLX_SWAP_FLOAT(pc + 8);
+ __GLX_SWAP_FLOAT(pc + 16);
+ __GLX_SWAP_FLOAT(pc + 20);
+
+ target = *(GLenum *)(pc + 0);
+ uorder = *(GLint *)(pc + 12);
+ vorder = *(GLint *)(pc + 24);
+ u1 = *(GLfloat *)(pc + 4);
+ u2 = *(GLfloat *)(pc + 8);
+ v1 = *(GLfloat *)(pc + 16);
+ v2 = *(GLfloat *)(pc + 20);
+ points = (GLfloat *)(pc + 28);
+
+ k = __glEvalComputeK(target);
+ ustride = vorder * k;
+ vstride = k;
+
+ if (vorder <= 0 || uorder <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = uorder * vorder * k;
+ }
+ __GLX_SWAP_FLOAT_ARRAY(points, compsize);
+
+}
+
+void __glXDispSwap_Map1d(GLbyte *pc)
+{
+ GLint order, k, compsize;
+ GLenum target;
+ GLdouble u1, u2, *points;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_DOUBLE(pc + 0);
+ __GLX_SWAP_DOUBLE(pc + 8);
+ __GLX_SWAP_INT(pc + 16);
+ __GLX_SWAP_INT(pc + 20);
+
+ target = *(GLenum*) (pc + 16);
+ order = *(GLint*) (pc + 20);
+ k = __glEvalComputeK(target);
+ if (order <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = order * k;
+ }
+ __GLX_GET_DOUBLE(u1,pc);
+ __GLX_GET_DOUBLE(u2,pc+8);
+ __GLX_SWAP_DOUBLE_ARRAY(pc+24, compsize);
+ pc += 24;
+
+#ifdef __GLX_ALIGN64
+ if (((unsigned long)pc) & 7) {
+ /*
+ ** Copy the doubles up 4 bytes, trashing the command but aligning
+ ** the data in the process
+ */
+ __GLX_MEM_COPY(pc-4, pc, compsize*8);
+ points = (GLdouble*) (pc - 4);
+ } else {
+ points = (GLdouble*) pc;
+ }
+#else
+ points = (GLdouble*) pc;
+#endif
+}
+
+void __glXDispSwap_Map2d(GLbyte *pc)
+{
+ GLdouble u1, u2, v1, v2, *points;
+ GLint uorder, vorder, ustride, vstride, k, compsize;
+ GLenum target;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_DOUBLE(pc + 0);
+ __GLX_SWAP_DOUBLE(pc + 8);
+ __GLX_SWAP_DOUBLE(pc + 16);
+ __GLX_SWAP_DOUBLE(pc + 24);
+ __GLX_SWAP_INT(pc + 32);
+ __GLX_SWAP_INT(pc + 36);
+ __GLX_SWAP_INT(pc + 40);
+
+ target = *(GLenum *)(pc + 32);
+ uorder = *(GLint *)(pc + 36);
+ vorder = *(GLint *)(pc + 40);
+ k = __glEvalComputeK(target);
+ if (vorder <= 0 || uorder <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = uorder * vorder * k;
+ }
+ __GLX_GET_DOUBLE(u1,pc);
+ __GLX_GET_DOUBLE(u2,pc+8);
+ __GLX_GET_DOUBLE(v1,pc+16);
+ __GLX_GET_DOUBLE(v2,pc+24);
+ __GLX_SWAP_DOUBLE_ARRAY(pc+44, compsize);
+ pc += 44;
+ ustride = vorder * k;
+ vstride = k;
+
+#ifdef __GLX_ALIGN64
+ if (((unsigned long)pc) & 7) {
+ /*
+ ** Copy the doubles up 4 bytes, trashing the command but aligning
+ ** the data in the process
+ */
+ __GLX_MEM_COPY(pc-4, pc, compsize*8);
+ points = (GLdouble*) (pc - 4);
+ } else {
+ points = (GLdouble*) pc;
+ }
+#else
+ points = (GLdouble*) pc;
+#endif
+}
+
+void __glXDispSwap_CallLists(GLbyte *pc)
+{
+ GLenum type;
+ GLsizei n;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_INT(pc + 4);
+ __GLX_SWAP_INT(pc + 0);
+ type = *(GLenum *)(pc + 4);
+ n = *(GLsizei *)(pc + 0);
+
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_2_BYTES:
+ case GL_3_BYTES:
+ case GL_4_BYTES:
+ break;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ __GLX_SWAP_SHORT_ARRAY(pc+8, n);
+ break;
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ __GLX_SWAP_INT_ARRAY(pc+8, n);
+ break;
+ case GL_FLOAT:
+ __GLX_SWAP_FLOAT_ARRAY(pc+8, n);
+ break;
+ }
+
+}
+
+void __glXDispSwap_DrawArrays(GLbyte *pc)
+{
+ __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc;
+ __GLXdispatchDrawArraysComponentHeader *compHeader;
+ int i;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_INT(&hdr->numVertexes);
+ __GLX_SWAP_INT(&hdr->numComponents);
+ __GLX_SWAP_INT(&hdr->primType);
+
+ pc += sizeof(__GLXdispatchDrawArraysHeader);
+ compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
+
+ /* compute stride (same for all component arrays) */
+ for (i=0; i<hdr->numComponents; i++) {
+ __GLX_SWAP_INT(&compHeader[i].datatype);
+ __GLX_SWAP_INT(&compHeader[i].numVals);
+ __GLX_SWAP_INT(&compHeader[i].component);
+
+ }
+
+}
diff --git a/xorg-server/hw/dmx/input/dmxevents.c b/xorg-server/hw/dmx/input/dmxevents.c
index 15d80f5bb..c8dd92e47 100644
--- a/xorg-server/hw/dmx/input/dmxevents.c
+++ b/xorg-server/hw/dmx/input/dmxevents.c
@@ -1,800 +1,800 @@
-/*
- * Copyright 2002-2003 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
- * Provide support and helper functions for enqueing events received by
- * the low-level input drivers. */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#define DMX_EVENTS_DEBUG 0
-
-#include "dmxinputinit.h"
-#include "dmxevents.h"
-#include "dmxcb.h"
-#include "dmxcommon.h"
-#include "dmxcursor.h"
-#include "dmxmotion.h"
-#include "dmxsigio.h"
-#include "dmxmap.h"
-
-#include <X11/keysym.h>
-#include "opaque.h"
-#include "inputstr.h"
-#include "inpututils.h"
-#include "mipointer.h"
-#include "mi.h"
-#include "exglobals.h"
-
-#include "xkbsrv.h"
-#include "XIstubs.h"
-
-static int dmxGlobalX, dmxGlobalY; /* Global cursor position */
-static int dmxGlobalInvalid; /* Flag indicating dmxCoreMotion
- * should move the mouse anyway. */
-
-#if DMX_EVENTS_DEBUG
-#define DMXDBG0(f) dmxLog(dmxDebug,f)
-#define DMXDBG1(f,a) dmxLog(dmxDebug,f,a)
-#define DMXDBG2(f,a,b) dmxLog(dmxDebug,f,a,b)
-#define DMXDBG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
-#define DMXDBG4(f,a,b,c,d) dmxLog(dmxDebug,f,a,b,c,d)
-#define DMXDBG5(f,a,b,c,d,e) dmxLog(dmxDebug,f,a,b,c,d,e)
-#define DMXDBG6(f,a,b,c,d,e,g) dmxLog(dmxDebug,f,a,b,c,d,e,g)
-#define DMXDBG7(f,a,b,c,d,e,g,h) dmxLog(dmxDebug,f,a,b,c,d,e,g,h)
-#else
-#define DMXDBG0(f)
-#define DMXDBG1(f,a)
-#define DMXDBG2(f,a,b)
-#define DMXDBG3(f,a,b,c)
-#define DMXDBG4(f,a,b,c,d)
-#define DMXDBG5(f,a,b,c,d,e)
-#define DMXDBG6(f,a,b,c,d,e,g)
-#define DMXDBG7(f,a,b,c,d,e,g,h)
-#endif
-
-static int dmxApplyFunctions(DMXInputInfo *dmxInput, DMXFunctionType f)
-{
- int i;
- int rc = 0;
-
- for (i = 0; i < dmxInput->numDevs; i+= dmxInput->devs[i]->binding)
- if (dmxInput->devs[i]->functions)
- rc += dmxInput->devs[i]->functions(dmxInput->devs[i]->private, f);
- return rc;
-}
-
-static int dmxCheckFunctionKeys(DMXLocalInputInfoPtr dmxLocal,
- int type,
- KeySym keySym)
-{
- DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx];
-
-#if 1 /* hack to detect ctrl-alt-q, etc */
- static int ctrl = 0, alt = 0;
- /* keep track of ctrl/alt key status */
- if (type == KeyPress && keySym == 0xffe3) {
- ctrl = 1;
- }
- else if (type == KeyRelease && keySym == 0xffe3) {
- ctrl = 0;
- }
- else if (type == KeyPress && keySym == 0xffe9) {
- alt = 1;
- }
- else if (type == KeyRelease && keySym == 0xffe9) {
- alt = 0;
- }
- if (!ctrl || !alt)
- return 0;
-#else
- unsigned short state = 0;
-
- if (dmxLocal->sendsCore)
- state = dmxLocalCoreKeyboard->pDevice->key->state;
- else if (dmxLocal->pDevice->key)
- state = dmxLocal->pDevice->key->state;
-
- DMXDBG3("dmxCheckFunctionKeys: keySym=0x%04x %s state=0x%04x\n",
- keySym, type == KeyPress ? "press" : "release", state);
-
- if ((state & (ControlMask|Mod1Mask)) != (ControlMask|Mod1Mask))
- return 0;
-#endif
-
- switch (keySym) {
- case XK_g:
- if (type == KeyPress)
- dmxApplyFunctions(dmxInput, DMX_FUNCTION_GRAB);
- return 1;
- case XK_f:
- if (type == KeyPress)
- dmxApplyFunctions(dmxInput, DMX_FUNCTION_FINE);
- return 1;
- case XK_q:
- if (type == KeyPress && dmxLocal->sendsCore)
- if (dmxApplyFunctions(dmxInput, DMX_FUNCTION_TERMINATE)) {
- dmxLog(dmxInfo, "User request for termination\n");
- dispatchException |= DE_TERMINATE;
- }
- return 1;
- }
-
- return 0;
-}
-
-
-DMXScreenInfo *dmxFindFirstScreen(int x, int y)
-{
- int i;
-
- for (i = 0; i < dmxNumScreens; i++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[i];
- if (dmxOnScreen(x, y, dmxScreen))
- return dmxScreen;
- }
- return NULL;
-}
-
-
-/**
- * Enqueue a motion event.
- */
-static void enqueueMotion(DevicePtr pDev, int x, int y)
-{
- GETDMXLOCALFROMPDEV;
- DeviceIntPtr p = dmxLocal->pDevice;
- int i, nevents, valuators[3];
- EventListPtr events;
- int detail = 0; /* XXX should this be mask of pressed buttons? */
- ValuatorMask mask;
- valuators[0] = x;
- valuators[1] = y;
-
- valuator_mask_set_range(&mask, 0, 2, valuators);
- GetEventList(&events);
- nevents = GetPointerEvents(events, p, MotionNotify, detail,
- POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(p, (InternalEvent*)(events + i)->event);
- return;
-}
-
-
-void
-dmxCoreMotion(DevicePtr pDev, int x, int y, int delta, DMXBlockType block)
-{
- DMXScreenInfo *dmxScreen;
- DMXInputInfo *dmxInput;
- ScreenPtr pScreen;
- int localX;
- int localY;
- int i;
-
- if (!dmxGlobalInvalid && dmxGlobalX == x && dmxGlobalY == y)
- return;
-
- DMXDBG5("dmxCoreMotion(%d,%d,%d) dmxGlobalX=%d dmxGlobalY=%d\n",
- x, y, delta, dmxGlobalX, dmxGlobalY);
-
- dmxGlobalInvalid = 0;
- dmxGlobalX = x;
- dmxGlobalY = y;
-
- if (dmxGlobalX < 0)
- dmxGlobalX = 0;
- if (dmxGlobalY < 0)
- dmxGlobalY = 0;
- if (dmxGlobalX >= dmxGlobalWidth)
- dmxGlobalX = dmxGlobalWidth + delta -1;
- if (dmxGlobalY >= dmxGlobalHeight)
- dmxGlobalY = dmxGlobalHeight + delta -1;
-
- if ((dmxScreen = dmxFindFirstScreen(dmxGlobalX, dmxGlobalY))) {
- localX = dmxGlobalX - dmxScreen->rootXOrigin;
- localY = dmxGlobalY - dmxScreen->rootYOrigin;
- if ((pScreen = miPointerGetScreen(inputInfo.pointer))
- && pScreen->myNum == dmxScreen->index) {
- /* Screen is old screen */
- if (block)
- dmxSigioBlock();
- if (pDev)
- enqueueMotion(pDev, localX, localY);
- if (block)
- dmxSigioUnblock();
- } else {
- /* Screen is new */
- DMXDBG4(" New screen: old=%d new=%d localX=%d localY=%d\n",
- pScreen->myNum, dmxScreen->index, localX, localY);
- if (block)
- dmxSigioBlock();
- mieqProcessInputEvents();
- miPointerSetScreen(inputInfo.pointer, dmxScreen->index,
- localX, localY);
- if (pDev)
- enqueueMotion(pDev, localX, localY);
- if (block)
- dmxSigioUnblock();
- }
-#if 00
- miPointerGetPosition(inputInfo.pointer, &localX, &localY);
-
- if ((pScreen = miPointerGetScreen(inputInfo.pointer))) {
- dmxGlobalX = localX + dmxScreens[pScreen->myNum].rootXOrigin;
- dmxGlobalY = localY + dmxScreens[pScreen->myNum].rootYOrigin;
- ErrorF("Global is now %d, %d %d, %d\n", dmxGlobalX, dmxGlobalY,
- localX, localY);
- DMXDBG6(" Moved to dmxGlobalX=%d dmxGlobalY=%d"
- " on screen index=%d/%d localX=%d localY=%d\n",
- dmxGlobalX, dmxGlobalY,
- dmxScreen ? dmxScreen->index : -1, pScreen->myNum,
- localX, localY);
- }
-#endif
- }
- /* Send updates down to all core input
- * drivers */
- for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++) {
- int j;
- for (j = 0; j < dmxInput->numDevs; j += dmxInput->devs[j]->binding)
- if (!dmxInput->detached
- && dmxInput->devs[j]->sendsCore
- && dmxInput->devs[j]->update_position)
- dmxInput->devs[j]->update_position(dmxInput->devs[j]->private,
- dmxGlobalX, dmxGlobalY);
- }
- if (!dmxScreen) ProcessInputEvents();
-}
-
-
-
-#define DMX_MAX_AXES 32 /* Max axes reported by this routine */
-static void dmxExtMotion(DMXLocalInputInfoPtr dmxLocal,
- int *v, int firstAxis, int axesCount,
- DMXMotionType type, DMXBlockType block)
-{
- DeviceIntPtr pDevice = dmxLocal->pDevice;
- xEvent xE[2 * DMX_MAX_AXES/6];
- deviceKeyButtonPointer *xev = (deviceKeyButtonPointer *)xE;
- deviceValuator *xv = (deviceValuator *)xev+1;
- int thisX = 0;
- int thisY = 0;
- int i;
- int count;
- EventListPtr events;
- int nevents;
- ValuatorMask mask;
-
- memset(xE, 0, sizeof(xE));
-
- if (axesCount > DMX_MAX_AXES) axesCount = DMX_MAX_AXES;
-
- if ((valuator_get_mode(pDevice,0) == Relative) && axesCount == 2) {
- /* The dmx console is a relative mode
- * device that sometimes reports
- * absolute motion. It only has two
- * axes. */
- if (type == DMX_RELATIVE) {
- thisX = -v[0];
- thisY = -v[1];
- dmxLocal->lastX += thisX;
- dmxLocal->lastY += thisY;
- if (dmxLocal->update_position)
- dmxLocal->update_position(dmxLocal->private,
- dmxLocal->lastX, dmxLocal->lastY);
- } else { /* Convert to relative */
- if (dmxLocal->lastX || dmxLocal->lastY) {
- thisX = v[0] - dmxLocal->lastX;
- thisY = v[1] - dmxLocal->lastY;
- }
- dmxLocal->lastX = v[0];
- dmxLocal->lastY = v[1];
- }
- v[0] = thisX;
- v[1] = thisY;
- }
-
- if (axesCount <= 6) {
- /* Optimize for the common case when
- * only 1 or 2 axes change. */
- xev->time = GetTimeInMillis();
- xev->type = DeviceMotionNotify;
- xev->detail = 0;
- xev->deviceid = pDevice->id | MORE_EVENTS;
-
- xv->type = DeviceValuator;
- xv->deviceid = pDevice->id;
- xv->num_valuators = axesCount;
- xv->first_valuator = firstAxis;
- switch (xv->num_valuators) {
- case 6: xv->valuator5 = v[5];
- case 5: xv->valuator4 = v[4];
- case 4: xv->valuator3 = v[3];
- case 3: xv->valuator2 = v[2];
- case 2: xv->valuator1 = v[1];
- case 1: xv->valuator0 = v[0];
- }
- count = 2;
- } else {
- for (i = 0, count = 0; i < axesCount; i += 6) {
- xev->time = GetTimeInMillis();
- xev->type = DeviceMotionNotify;
- xev->detail = 0;
- xev->deviceid = pDevice->id | MORE_EVENTS;
- xev += 2;
-
- xv->type = DeviceValuator;
- xv->deviceid = pDevice->id;
- xv->num_valuators = (i+6 >= axesCount ? axesCount - i : 6);
- xv->first_valuator = firstAxis + i;
- switch (xv->num_valuators) {
- case 6: xv->valuator5 = v[i+5];
- case 5: xv->valuator4 = v[i+4];
- case 4: xv->valuator3 = v[i+3];
- case 3: xv->valuator2 = v[i+2];
- case 2: xv->valuator1 = v[i+1];
- case 1: xv->valuator0 = v[i+0];
- }
- xv += 2;
- count += 2;
- }
- }
-
- if (block)
- dmxSigioBlock();
- valuator_mask_set_range(&mask, firstAxis, axesCount, v);
- GetEventList(&events);
- nevents = GetPointerEvents(events, pDevice, MotionNotify, 0,
- POINTER_ABSOLUTE, &mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
-
- if (block)
- dmxSigioUnblock();
-}
-
-static int dmxTranslateAndEnqueueExtEvent(DMXLocalInputInfoPtr dmxLocal,
- XEvent *e, DMXBlockType block)
-{
- int type;
- int event = -1;
- XDeviceKeyEvent *ke = (XDeviceKeyEvent *)e;
- XDeviceMotionEvent *me = (XDeviceMotionEvent *)e;
- DeviceIntPtr pDevice = dmxLocal->pDevice;
- int valuators[MAX_VALUATORS];
- EventListPtr events;
- int nevents, i;
- ValuatorMask mask;
-
- if (!e)
- return -1; /* No extended event passed, cannot handle */
-
- if ((XID)dmxLocal->deviceId != ke->deviceid) {
- /* Search for the correct dmxLocal,
- * since backend and console events are
- * picked up for the first device on
- * that X server. */
- int i;
- DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx];
- for (i = 0; i < dmxInput->numDevs; i++) {
- dmxLocal = dmxInput->devs[i];
- if ((XID)dmxLocal->deviceId == ke->deviceid)
- break;
- }
- }
-
- if ((XID)dmxLocal->deviceId != ke->deviceid
- || (type = dmxMapLookup(dmxLocal, e->type)) < 0)
- return -1; /* No mapping, so this event is unhandled */
-
- switch (type) {
- case XI_DeviceValuator: event = DeviceValuator; break;
- case XI_DeviceKeyPress: event = KeyPress; break;
- case XI_DeviceKeyRelease: event = KeyRelease; break;
- case XI_DeviceButtonPress: event = ButtonPress; break;
- case XI_DeviceButtonRelease: event = ButtonRelease; break;
- case XI_DeviceMotionNotify: event = MotionNotify; break;
- case XI_DeviceFocusIn: event = DeviceFocusIn; break;
- case XI_DeviceFocusOut: event = DeviceFocusOut; break;
- case XI_ProximityIn: event = ProximityIn; break;
- case XI_ProximityOut: event = ProximityOut; break;
- case XI_DeviceStateNotify: event = DeviceStateNotify; break;
- case XI_DeviceMappingNotify: event = DeviceMappingNotify; break;
- case XI_ChangeDeviceNotify: event = ChangeDeviceNotify; break;
- case XI_DeviceKeystateNotify: event = DeviceStateNotify; break;
- case XI_DeviceButtonstateNotify: event = DeviceStateNotify; break;
- }
-
-#define EXTRACT_VALUATORS(ke, valuators) \
- valuators[0] = ke->axis_data[0]; \
- valuators[1] = ke->axis_data[1]; \
- valuators[2] = ke->axis_data[2]; \
- valuators[3] = ke->axis_data[3]; \
- valuators[4] = ke->axis_data[4]; \
- valuators[5] = ke->axis_data[5]; \
-
- switch (type) {
- case XI_DeviceKeyPress:
- case XI_DeviceKeyRelease:
- EXTRACT_VALUATORS(ke, valuators);
- valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count, valuators);
- if (block)
- dmxSigioBlock();
- GetEventList(&events);
- nevents = GetKeyboardEvents(events, pDevice, event,
- ke->keycode, &mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
-
- if (block)
- dmxSigioUnblock();
- break;
- case XI_DeviceButtonPress:
- case XI_DeviceButtonRelease:
- EXTRACT_VALUATORS(ke, valuators);
- valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count, valuators);
- if (block)
- dmxSigioBlock();
- GetEventList(&events);
- nevents = GetPointerEvents(events, pDevice, event, ke->keycode,
- POINTER_ABSOLUTE, &mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
-
- if (block)
- dmxSigioUnblock();
- break;
- case XI_ProximityIn:
- case XI_ProximityOut:
- EXTRACT_VALUATORS(ke, valuators);
- valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count, valuators);
- if (block)
- dmxSigioBlock();
- GetEventList(&events);
- nevents = GetProximityEvents(events, pDevice, event, &mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
-
- if (block)
- dmxSigioUnblock();
- break;
-
- break;
-
- case XI_DeviceMotionNotify:
- dmxExtMotion(dmxLocal, me->axis_data, me->first_axis, me->axes_count,
- DMX_ABSOLUTE, block);
- break;
- case XI_DeviceFocusIn:
- case XI_DeviceFocusOut:
- case XI_DeviceStateNotify:
- case XI_DeviceMappingNotify:
- case XI_ChangeDeviceNotify:
- case XI_DeviceKeystateNotify:
- case XI_DeviceButtonstateNotify:
- /* These are ignored, since DMX will
- * generate its own events of these
- * types, as necessary.
-
- * Perhaps ChangeDeviceNotify should
- * generate an error, because it is
- * unexpected? */
- break;
- case XI_DeviceValuator:
- default:
- dmxLog(dmxWarning,
- "XInput extension event (remote=%d -> zero-based=%d)"
- " not supported yet\n", e->type, type);
- return -1;
- }
- return 0;
-}
-
-static int dmxGetButtonMapping(DMXLocalInputInfoPtr dmxLocal, int button)
-{
- ButtonClassPtr b = dmxLocal->pDevice->button;
-
- if (button > b->numButtons) { /* This shouldn't happen. */
- dmxLog(dmxWarning, "Button %d pressed, but only %d buttons?!?\n",
- button, b->numButtons);
- return button;
- }
- return b->map[button];
-}
-
-/** Return DMX's notion of the pointer position in the global coordinate
- * space. */
-void dmxGetGlobalPosition(int *x, int *y)
-{
- *x = dmxGlobalX;
- *y = dmxGlobalY;
-}
-
-/** Invalidate the global position for #dmxCoreMotion. */
-void dmxInvalidateGlobalPosition(void)
-{
- dmxGlobalInvalid = 1;
-}
-
-/** Enqueue a motion event for \a pDev. The \a v vector has length \a
- * axesCount, and contains values for each of the axes, starting at \a
- * firstAxes.
- *
- * The \a type of the motion may be \a DMX_RELATIVE, \a DMX_ABSOLUTE, or
- * \a DMX_ABSOLUTE_CONFINED (in the latter case, the pointer will not be
- * allowed to move outside the global boundaires).
- *
- * If \a block is set to \a DMX_BLOCK, then the SIGIO handler will be
- * blocked around calls to \a enqueueMotion(). */
-void dmxMotion(DevicePtr pDev, int *v, int firstAxes, int axesCount,
- DMXMotionType type, DMXBlockType block)
-{
- GETDMXLOCALFROMPDEV;
-
- if (!dmxLocal->sendsCore) {
- dmxExtMotion(dmxLocal, v, firstAxes, axesCount, type, block);
- return;
- }
- if (axesCount == 2) {
- switch (type) {
- case DMX_RELATIVE:
- dmxCoreMotion(pDev, dmxGlobalX - v[0], dmxGlobalY - v[1], 0, block);
- break;
- case DMX_ABSOLUTE:
- dmxCoreMotion(pDev, v[0], v[1], 0, block);
- break;
- case DMX_ABSOLUTE_CONFINED:
- dmxCoreMotion(pDev, v[0], v[1], -1, block);
- break;
- }
- }
-}
-
-static KeySym dmxKeyCodeToKeySym(DMXLocalInputInfoPtr dmxLocal,
- KeyCode keyCode)
-{
- KeySym keysym = NoSymbol;
- int effectiveGroup;
- XkbSrvInfoPtr xkbi;
-
- if (!dmxLocal || !dmxLocal->pDevice || !dmxLocal->pDevice->key)
- goto out;
-
- xkbi = dmxLocal->pDevice->key->xkbInfo;
- effectiveGroup = XkbGetEffectiveGroup(xkbi, &xkbi->state, keyCode);
-
- if (effectiveGroup == -1)
- goto out;
-
- keysym = XkbKeySym(xkbi->desc, keyCode, effectiveGroup);
- DMXDBG2("dmxKeyCodeToKeySym: Translated keyCode=%d to keySym=0x%04x\n",
- keyCode, keysym);
-
-out:
- return keysym;
-}
-
-static KeyCode dmxKeySymToKeyCode(DMXLocalInputInfoPtr dmxLocal, KeySym keySym,
- int tryFirst)
-{
- /* FIXME: this is quite ineffective, converting to a core map first and
- * then extracting the info from there. It'd be better to run the actual
- * xkb map */
- XkbSrvInfoPtr xkbi = dmxLocal->pDevice->key->xkbInfo;
- KeySymsPtr pKeySyms = XkbGetCoreMap(dmxLocal->pDevice);
- int i;
-
- /* Optimize for similar maps */
- if (XkbKeycodeInRange(xkbi->desc, tryFirst)
- && pKeySyms->map[(tryFirst - xkbi->desc->min_key_code)
- * pKeySyms->mapWidth] == keySym)
- return tryFirst;
-
- for (i = pKeySyms->minKeyCode; i <= pKeySyms->maxKeyCode; i++) {
- if (pKeySyms->map[(i - pKeySyms->minKeyCode)
- * pKeySyms->mapWidth] == keySym) {
- DMXDBG3("dmxKeySymToKeyCode: Translated keySym=0x%04x to"
- " keyCode=%d (reverses to core keySym=0x%04x)\n",
- keySym, i, dmxKeyCodeToKeySym(dmxLocalCoreKeyboard,i));
- return i;
- }
- }
- return 0;
-}
-
-static int dmxFixup(DevicePtr pDev, int detail, KeySym keySym)
-{
- GETDMXLOCALFROMPDEV;
- int keyCode;
-
- if (!dmxLocal->pDevice->key) {
- dmxLog(dmxWarning, "dmxFixup: not a keyboard device (%s)\n",
- dmxLocal->pDevice->name);
- return NoSymbol;
- }
- if (!keySym)
- keySym = dmxKeyCodeToKeySym(dmxLocal, detail);
- if (keySym == NoSymbol)
- return detail;
- keyCode = dmxKeySymToKeyCode(dmxLocalCoreKeyboard, keySym, detail);
-
- return keyCode ? keyCode : detail;
-}
-
-/** Enqueue an event from the \a pDev device with the
- * specified \a type and \a detail. If the event is a KeyPress or
- * KeyRelease event, then the \a keySym is also specified.
- *
- * FIXME: make the code do what the comment says, or remove this comment.
- * If \a block is set to \a DMX_BLOCK, then the SIGIO handler will be
- * blocked around calls to dmxeqEnqueue(). */
-
-void dmxEnqueue(DevicePtr pDev, int type, int detail, KeySym keySym,
- XEvent *e, DMXBlockType block)
-{
- GETDMXINPUTFROMPDEV;
- xEvent xE;
- DeviceIntPtr p = dmxLocal->pDevice;
- int i, nevents, valuators[3];
- EventListPtr events;
- ValuatorMask mask;
-
- DMXDBG2("dmxEnqueue: Enqueuing type=%d detail=0x%0x\n", type, detail);
-
- switch (type) {
- case KeyPress:
- case KeyRelease:
- if (!keySym)
- keySym = dmxKeyCodeToKeySym(dmxLocal, detail);
- if (dmxCheckFunctionKeys(dmxLocal, type, keySym))
- return;
- if (dmxLocal->sendsCore && dmxLocal != dmxLocalCoreKeyboard)
- xE.u.u.detail = dmxFixup(pDev, detail, keySym);
-
- GetEventList(&events);
- /*ErrorF("KEY %d sym %d\n", detail, (int) keySym);*/
- nevents = GetKeyboardEvents(events, p, type, detail, NULL);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(p, (InternalEvent*)(events + i)->event);
- return;
-
- case ButtonPress:
- case ButtonRelease:
- detail = dmxGetButtonMapping(dmxLocal, detail);
- valuator_mask_zero(&mask);
- GetEventList(&events);
- nevents = GetPointerEvents(events, p, type, detail,
- POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(p, (InternalEvent*)(events + i)->event);
- return;
-
- case MotionNotify:
- GetEventList(&events);
- valuators[0] = e->xmotion.x;
- valuators[1] = e->xmotion.y;
- valuators[2] = e->xmotion.state; /* FIXME: WTF?? */
- valuator_mask_set_range(&mask, 0, 3, valuators);
- nevents = GetPointerEvents(events, p, type, detail,
- POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(p, (InternalEvent*)(events + i)->event);
- return;
-
- case EnterNotify:
- case LeaveNotify:
- case KeymapNotify:
- case MappingNotify: /* This is sent because we change the
- * modifier map on the backend/console
- * input device so that we have complete
- * control of the input device LEDs. */
- return;
- default:
- if (type == ProximityIn || type == ProximityOut) {
- if (dmxLocal->sendsCore)
- return; /* Not a core event */
- break;
- }
- if (type >= LASTEvent) {
- if (dmxTranslateAndEnqueueExtEvent(dmxLocal, e, block))
- dmxLogInput(dmxInput, "Unhandled extension event: %d\n", type);
- } else {
- dmxLogInput(dmxInput, "Unhandled event: %d (%s)\n",
- type, dmxEventName(type));
- }
- return;
- }
-
-}
-
-/** A pointer to this routine is passed to low-level input drivers so
- * that all special keychecking is unified to this file. This function
- * returns 0 if no special keys have been pressed. If the user has
- * requested termination of the DMX server, -1 is returned. If the user
- * has requested a switch to a VT, then the (1-based) number of that VT
- * is returned. */
-int dmxCheckSpecialKeys(DevicePtr pDev, KeySym keySym)
-{
- GETDMXINPUTFROMPDEV;
- int vt = 0;
- unsigned short state = 0;
-
- if (dmxLocal->sendsCore)
- state = XkbStateFieldFromRec(&dmxLocalCoreKeyboard->pDevice->key->xkbInfo->state);
- else if (dmxLocal->pDevice->key)
- state = XkbStateFieldFromRec(&dmxLocal->pDevice->key->xkbInfo->state);
-
- if (!dmxLocal->sendsCore) return 0; /* Only for core devices */
-
- DMXDBG2("dmxCheckSpecialKeys: keySym=0x%04x state=0x%04x\n", keySym,state);
-
- if ((state & (ControlMask|Mod1Mask)) != (ControlMask|Mod1Mask)) return 0;
-
- switch (keySym) {
- case XK_F1:
- case XK_F2:
- case XK_F3:
- case XK_F4:
- case XK_F5:
- case XK_F6:
- case XK_F7:
- case XK_F8:
- case XK_F9:
- case XK_F10:
- vt = keySym - XK_F1 + 1;
- break;
-
- case XK_F11:
- case XK_F12:
- vt = keySym - XK_F11 + 11;
- break;
-
- case XK_q: /* To avoid confusion */
- case XK_BackSpace:
- case XK_Delete:
- case XK_KP_Delete:
- dmxLog(dmxInfo, "User request for termination\n");
- dispatchException |= DE_TERMINATE;
- return -1; /* Terminate */
- }
-
- if (vt) {
- dmxLog(dmxInfo, "Request to switch to VT %d\n", vt);
- dmxInput->vt_switch_pending = vt;
- return vt;
- }
-
- return 0; /* Do nothing */
-}
+/*
+ * Copyright 2002-2003 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
+ * Provide support and helper functions for enqueing events received by
+ * the low-level input drivers. */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#define DMX_EVENTS_DEBUG 0
+
+#include "dmxinputinit.h"
+#include "dmxevents.h"
+#include "dmxcb.h"
+#include "dmxcommon.h"
+#include "dmxcursor.h"
+#include "dmxmotion.h"
+#include "dmxsigio.h"
+#include "dmxmap.h"
+
+#include <X11/keysym.h>
+#include "opaque.h"
+#include "inputstr.h"
+#include "inpututils.h"
+#include "mipointer.h"
+#include "mi.h"
+#include "exglobals.h"
+
+#include "xkbsrv.h"
+#include "XIstubs.h"
+
+static int dmxGlobalX, dmxGlobalY; /* Global cursor position */
+static int dmxGlobalInvalid; /* Flag indicating dmxCoreMotion
+ * should move the mouse anyway. */
+
+#if DMX_EVENTS_DEBUG
+#define DMXDBG0(f) dmxLog(dmxDebug,f)
+#define DMXDBG1(f,a) dmxLog(dmxDebug,f,a)
+#define DMXDBG2(f,a,b) dmxLog(dmxDebug,f,a,b)
+#define DMXDBG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
+#define DMXDBG4(f,a,b,c,d) dmxLog(dmxDebug,f,a,b,c,d)
+#define DMXDBG5(f,a,b,c,d,e) dmxLog(dmxDebug,f,a,b,c,d,e)
+#define DMXDBG6(f,a,b,c,d,e,g) dmxLog(dmxDebug,f,a,b,c,d,e,g)
+#define DMXDBG7(f,a,b,c,d,e,g,h) dmxLog(dmxDebug,f,a,b,c,d,e,g,h)
+#else
+#define DMXDBG0(f)
+#define DMXDBG1(f,a)
+#define DMXDBG2(f,a,b)
+#define DMXDBG3(f,a,b,c)
+#define DMXDBG4(f,a,b,c,d)
+#define DMXDBG5(f,a,b,c,d,e)
+#define DMXDBG6(f,a,b,c,d,e,g)
+#define DMXDBG7(f,a,b,c,d,e,g,h)
+#endif
+
+static int dmxApplyFunctions(DMXInputInfo *dmxInput, DMXFunctionType f)
+{
+ int i;
+ int rc = 0;
+
+ for (i = 0; i < dmxInput->numDevs; i+= dmxInput->devs[i]->binding)
+ if (dmxInput->devs[i]->functions)
+ rc += dmxInput->devs[i]->functions(dmxInput->devs[i]->private, f);
+ return rc;
+}
+
+static int dmxCheckFunctionKeys(DMXLocalInputInfoPtr dmxLocal,
+ int type,
+ KeySym keySym)
+{
+ DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx];
+
+#if 1 /* hack to detect ctrl-alt-q, etc */
+ static int ctrl = 0, alt = 0;
+ /* keep track of ctrl/alt key status */
+ if (type == KeyPress && keySym == 0xffe3) {
+ ctrl = 1;
+ }
+ else if (type == KeyRelease && keySym == 0xffe3) {
+ ctrl = 0;
+ }
+ else if (type == KeyPress && keySym == 0xffe9) {
+ alt = 1;
+ }
+ else if (type == KeyRelease && keySym == 0xffe9) {
+ alt = 0;
+ }
+ if (!ctrl || !alt)
+ return 0;
+#else
+ unsigned short state = 0;
+
+ if (dmxLocal->sendsCore)
+ state = dmxLocalCoreKeyboard->pDevice->key->state;
+ else if (dmxLocal->pDevice->key)
+ state = dmxLocal->pDevice->key->state;
+
+ DMXDBG3("dmxCheckFunctionKeys: keySym=0x%04x %s state=0x%04x\n",
+ keySym, type == KeyPress ? "press" : "release", state);
+
+ if ((state & (ControlMask|Mod1Mask)) != (ControlMask|Mod1Mask))
+ return 0;
+#endif
+
+ switch (keySym) {
+ case XK_g:
+ if (type == KeyPress)
+ dmxApplyFunctions(dmxInput, DMX_FUNCTION_GRAB);
+ return 1;
+ case XK_f:
+ if (type == KeyPress)
+ dmxApplyFunctions(dmxInput, DMX_FUNCTION_FINE);
+ return 1;
+ case XK_q:
+ if (type == KeyPress && dmxLocal->sendsCore)
+ if (dmxApplyFunctions(dmxInput, DMX_FUNCTION_TERMINATE)) {
+ dmxLog(dmxInfo, "User request for termination\n");
+ dispatchException |= DE_TERMINATE;
+ }
+ return 1;
+ }
+
+ return 0;
+}
+
+
+DMXScreenInfo *dmxFindFirstScreen(int x, int y)
+{
+ int i;
+
+ for (i = 0; i < dmxNumScreens; i++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[i];
+ if (dmxOnScreen(x, y, dmxScreen))
+ return dmxScreen;
+ }
+ return NULL;
+}
+
+
+/**
+ * Enqueue a motion event.
+ */
+static void enqueueMotion(DevicePtr pDev, int x, int y)
+{
+ GETDMXLOCALFROMPDEV;
+ DeviceIntPtr p = dmxLocal->pDevice;
+ int i, nevents, valuators[3];
+ EventListPtr events;
+ int detail = 0; /* XXX should this be mask of pressed buttons? */
+ ValuatorMask mask;
+ valuators[0] = x;
+ valuators[1] = y;
+
+ valuator_mask_set_range(&mask, 0, 2, valuators);
+ GetEventList(&events);
+ nevents = GetPointerEvents(events, p, MotionNotify, detail,
+ POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(p, (InternalEvent*)(events + i)->event);
+ return;
+}
+
+
+void
+dmxCoreMotion(DevicePtr pDev, int x, int y, int delta, DMXBlockType block)
+{
+ DMXScreenInfo *dmxScreen;
+ DMXInputInfo *dmxInput;
+ ScreenPtr pScreen;
+ int localX;
+ int localY;
+ int i;
+
+ if (!dmxGlobalInvalid && dmxGlobalX == x && dmxGlobalY == y)
+ return;
+
+ DMXDBG5("dmxCoreMotion(%d,%d,%d) dmxGlobalX=%d dmxGlobalY=%d\n",
+ x, y, delta, dmxGlobalX, dmxGlobalY);
+
+ dmxGlobalInvalid = 0;
+ dmxGlobalX = x;
+ dmxGlobalY = y;
+
+ if (dmxGlobalX < 0)
+ dmxGlobalX = 0;
+ if (dmxGlobalY < 0)
+ dmxGlobalY = 0;
+ if (dmxGlobalX >= dmxGlobalWidth)
+ dmxGlobalX = dmxGlobalWidth + delta -1;
+ if (dmxGlobalY >= dmxGlobalHeight)
+ dmxGlobalY = dmxGlobalHeight + delta -1;
+
+ if ((dmxScreen = dmxFindFirstScreen(dmxGlobalX, dmxGlobalY))) {
+ localX = dmxGlobalX - dmxScreen->rootXOrigin;
+ localY = dmxGlobalY - dmxScreen->rootYOrigin;
+ if ((pScreen = miPointerGetScreen(inputInfo.pointer))
+ && pScreen->myNum == dmxScreen->index) {
+ /* Screen is old screen */
+ if (block)
+ dmxSigioBlock();
+ if (pDev)
+ enqueueMotion(pDev, localX, localY);
+ if (block)
+ dmxSigioUnblock();
+ } else {
+ /* Screen is new */
+ DMXDBG4(" New screen: old=%d new=%d localX=%d localY=%d\n",
+ pScreen->myNum, dmxScreen->index, localX, localY);
+ if (block)
+ dmxSigioBlock();
+ mieqProcessInputEvents();
+ miPointerSetScreen(inputInfo.pointer, dmxScreen->index,
+ localX, localY);
+ if (pDev)
+ enqueueMotion(pDev, localX, localY);
+ if (block)
+ dmxSigioUnblock();
+ }
+#if 00
+ miPointerGetPosition(inputInfo.pointer, &localX, &localY);
+
+ if ((pScreen = miPointerGetScreen(inputInfo.pointer))) {
+ dmxGlobalX = localX + dmxScreens[pScreen->myNum].rootXOrigin;
+ dmxGlobalY = localY + dmxScreens[pScreen->myNum].rootYOrigin;
+ ErrorF("Global is now %d, %d %d, %d\n", dmxGlobalX, dmxGlobalY,
+ localX, localY);
+ DMXDBG6(" Moved to dmxGlobalX=%d dmxGlobalY=%d"
+ " on screen index=%d/%d localX=%d localY=%d\n",
+ dmxGlobalX, dmxGlobalY,
+ dmxScreen ? dmxScreen->index : -1, pScreen->myNum,
+ localX, localY);
+ }
+#endif
+ }
+ /* Send updates down to all core input
+ * drivers */
+ for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++) {
+ int j;
+ for (j = 0; j < dmxInput->numDevs; j += dmxInput->devs[j]->binding)
+ if (!dmxInput->detached
+ && dmxInput->devs[j]->sendsCore
+ && dmxInput->devs[j]->update_position)
+ dmxInput->devs[j]->update_position(dmxInput->devs[j]->private,
+ dmxGlobalX, dmxGlobalY);
+ }
+ if (!dmxScreen) ProcessInputEvents();
+}
+
+
+
+#define DMX_MAX_AXES 32 /* Max axes reported by this routine */
+static void dmxExtMotion(DMXLocalInputInfoPtr dmxLocal,
+ int *v, int firstAxis, int axesCount,
+ DMXMotionType type, DMXBlockType block)
+{
+ DeviceIntPtr pDevice = dmxLocal->pDevice;
+ xEvent xE[2 * DMX_MAX_AXES/6];
+ deviceKeyButtonPointer *xev = (deviceKeyButtonPointer *)xE;
+ deviceValuator *xv = (deviceValuator *)xev+1;
+ int thisX = 0;
+ int thisY = 0;
+ int i;
+ int count;
+ EventListPtr events;
+ int nevents;
+ ValuatorMask mask;
+
+ memset(xE, 0, sizeof(xE));
+
+ if (axesCount > DMX_MAX_AXES) axesCount = DMX_MAX_AXES;
+
+ if ((valuator_get_mode(pDevice,0) == Relative) && axesCount == 2) {
+ /* The dmx console is a relative mode
+ * device that sometimes reports
+ * absolute motion. It only has two
+ * axes. */
+ if (type == DMX_RELATIVE) {
+ thisX = -v[0];
+ thisY = -v[1];
+ dmxLocal->lastX += thisX;
+ dmxLocal->lastY += thisY;
+ if (dmxLocal->update_position)
+ dmxLocal->update_position(dmxLocal->private,
+ dmxLocal->lastX, dmxLocal->lastY);
+ } else { /* Convert to relative */
+ if (dmxLocal->lastX || dmxLocal->lastY) {
+ thisX = v[0] - dmxLocal->lastX;
+ thisY = v[1] - dmxLocal->lastY;
+ }
+ dmxLocal->lastX = v[0];
+ dmxLocal->lastY = v[1];
+ }
+ v[0] = thisX;
+ v[1] = thisY;
+ }
+
+ if (axesCount <= 6) {
+ /* Optimize for the common case when
+ * only 1 or 2 axes change. */
+ xev->time = GetTimeInMillis();
+ xev->type = DeviceMotionNotify;
+ xev->detail = 0;
+ xev->deviceid = pDevice->id | MORE_EVENTS;
+
+ xv->type = DeviceValuator;
+ xv->deviceid = pDevice->id;
+ xv->num_valuators = axesCount;
+ xv->first_valuator = firstAxis;
+ switch (xv->num_valuators) {
+ case 6: xv->valuator5 = v[5];
+ case 5: xv->valuator4 = v[4];
+ case 4: xv->valuator3 = v[3];
+ case 3: xv->valuator2 = v[2];
+ case 2: xv->valuator1 = v[1];
+ case 1: xv->valuator0 = v[0];
+ }
+ count = 2;
+ } else {
+ for (i = 0, count = 0; i < axesCount; i += 6) {
+ xev->time = GetTimeInMillis();
+ xev->type = DeviceMotionNotify;
+ xev->detail = 0;
+ xev->deviceid = pDevice->id | MORE_EVENTS;
+ xev += 2;
+
+ xv->type = DeviceValuator;
+ xv->deviceid = pDevice->id;
+ xv->num_valuators = (i+6 >= axesCount ? axesCount - i : 6);
+ xv->first_valuator = firstAxis + i;
+ switch (xv->num_valuators) {
+ case 6: xv->valuator5 = v[i+5];
+ case 5: xv->valuator4 = v[i+4];
+ case 4: xv->valuator3 = v[i+3];
+ case 3: xv->valuator2 = v[i+2];
+ case 2: xv->valuator1 = v[i+1];
+ case 1: xv->valuator0 = v[i+0];
+ }
+ xv += 2;
+ count += 2;
+ }
+ }
+
+ if (block)
+ dmxSigioBlock();
+ valuator_mask_set_range(&mask, firstAxis, axesCount, v);
+ GetEventList(&events);
+ nevents = GetPointerEvents(events, pDevice, MotionNotify, 0,
+ POINTER_ABSOLUTE, &mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
+
+ if (block)
+ dmxSigioUnblock();
+}
+
+static int dmxTranslateAndEnqueueExtEvent(DMXLocalInputInfoPtr dmxLocal,
+ XEvent *e, DMXBlockType block)
+{
+ int type;
+ int event = -1;
+ XDeviceKeyEvent *ke = (XDeviceKeyEvent *)e;
+ XDeviceMotionEvent *me = (XDeviceMotionEvent *)e;
+ DeviceIntPtr pDevice = dmxLocal->pDevice;
+ int valuators[MAX_VALUATORS];
+ EventListPtr events;
+ int nevents, i;
+ ValuatorMask mask;
+
+ if (!e)
+ return -1; /* No extended event passed, cannot handle */
+
+ if ((XID)dmxLocal->deviceId != ke->deviceid) {
+ /* Search for the correct dmxLocal,
+ * since backend and console events are
+ * picked up for the first device on
+ * that X server. */
+ int i;
+ DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx];
+ for (i = 0; i < dmxInput->numDevs; i++) {
+ dmxLocal = dmxInput->devs[i];
+ if ((XID)dmxLocal->deviceId == ke->deviceid)
+ break;
+ }
+ }
+
+ if ((XID)dmxLocal->deviceId != ke->deviceid
+ || (type = dmxMapLookup(dmxLocal, e->type)) < 0)
+ return -1; /* No mapping, so this event is unhandled */
+
+ switch (type) {
+ case XI_DeviceValuator: event = DeviceValuator; break;
+ case XI_DeviceKeyPress: event = KeyPress; break;
+ case XI_DeviceKeyRelease: event = KeyRelease; break;
+ case XI_DeviceButtonPress: event = ButtonPress; break;
+ case XI_DeviceButtonRelease: event = ButtonRelease; break;
+ case XI_DeviceMotionNotify: event = MotionNotify; break;
+ case XI_DeviceFocusIn: event = DeviceFocusIn; break;
+ case XI_DeviceFocusOut: event = DeviceFocusOut; break;
+ case XI_ProximityIn: event = ProximityIn; break;
+ case XI_ProximityOut: event = ProximityOut; break;
+ case XI_DeviceStateNotify: event = DeviceStateNotify; break;
+ case XI_DeviceMappingNotify: event = DeviceMappingNotify; break;
+ case XI_ChangeDeviceNotify: event = ChangeDeviceNotify; break;
+ case XI_DeviceKeystateNotify: event = DeviceStateNotify; break;
+ case XI_DeviceButtonstateNotify: event = DeviceStateNotify; break;
+ }
+
+#define EXTRACT_VALUATORS(ke, valuators) \
+ valuators[0] = ke->axis_data[0]; \
+ valuators[1] = ke->axis_data[1]; \
+ valuators[2] = ke->axis_data[2]; \
+ valuators[3] = ke->axis_data[3]; \
+ valuators[4] = ke->axis_data[4]; \
+ valuators[5] = ke->axis_data[5]; \
+
+ switch (type) {
+ case XI_DeviceKeyPress:
+ case XI_DeviceKeyRelease:
+ EXTRACT_VALUATORS(ke, valuators);
+ valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count, valuators);
+ if (block)
+ dmxSigioBlock();
+ GetEventList(&events);
+ nevents = GetKeyboardEvents(events, pDevice, event,
+ ke->keycode, &mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
+
+ if (block)
+ dmxSigioUnblock();
+ break;
+ case XI_DeviceButtonPress:
+ case XI_DeviceButtonRelease:
+ EXTRACT_VALUATORS(ke, valuators);
+ valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count, valuators);
+ if (block)
+ dmxSigioBlock();
+ GetEventList(&events);
+ nevents = GetPointerEvents(events, pDevice, event, ke->keycode,
+ POINTER_ABSOLUTE, &mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
+
+ if (block)
+ dmxSigioUnblock();
+ break;
+ case XI_ProximityIn:
+ case XI_ProximityOut:
+ EXTRACT_VALUATORS(ke, valuators);
+ valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count, valuators);
+ if (block)
+ dmxSigioBlock();
+ GetEventList(&events);
+ nevents = GetProximityEvents(events, pDevice, event, &mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(pDevice, (InternalEvent*)(events + i)->event);
+
+ if (block)
+ dmxSigioUnblock();
+ break;
+
+ break;
+
+ case XI_DeviceMotionNotify:
+ dmxExtMotion(dmxLocal, me->axis_data, me->first_axis, me->axes_count,
+ DMX_ABSOLUTE, block);
+ break;
+ case XI_DeviceFocusIn:
+ case XI_DeviceFocusOut:
+ case XI_DeviceStateNotify:
+ case XI_DeviceMappingNotify:
+ case XI_ChangeDeviceNotify:
+ case XI_DeviceKeystateNotify:
+ case XI_DeviceButtonstateNotify:
+ /* These are ignored, since DMX will
+ * generate its own events of these
+ * types, as necessary.
+
+ * Perhaps ChangeDeviceNotify should
+ * generate an error, because it is
+ * unexpected? */
+ break;
+ case XI_DeviceValuator:
+ default:
+ dmxLog(dmxWarning,
+ "XInput extension event (remote=%d -> zero-based=%d)"
+ " not supported yet\n", e->type, type);
+ return -1;
+ }
+ return 0;
+}
+
+static int dmxGetButtonMapping(DMXLocalInputInfoPtr dmxLocal, int button)
+{
+ ButtonClassPtr b = dmxLocal->pDevice->button;
+
+ if (button > b->numButtons) { /* This shouldn't happen. */
+ dmxLog(dmxWarning, "Button %d pressed, but only %d buttons?!?\n",
+ button, b->numButtons);
+ return button;
+ }
+ return b->map[button];
+}
+
+/** Return DMX's notion of the pointer position in the global coordinate
+ * space. */
+void dmxGetGlobalPosition(int *x, int *y)
+{
+ *x = dmxGlobalX;
+ *y = dmxGlobalY;
+}
+
+/** Invalidate the global position for #dmxCoreMotion. */
+void dmxInvalidateGlobalPosition(void)
+{
+ dmxGlobalInvalid = 1;
+}
+
+/** Enqueue a motion event for \a pDev. The \a v vector has length \a
+ * axesCount, and contains values for each of the axes, starting at \a
+ * firstAxes.
+ *
+ * The \a type of the motion may be \a DMX_RELATIVE, \a DMX_ABSOLUTE, or
+ * \a DMX_ABSOLUTE_CONFINED (in the latter case, the pointer will not be
+ * allowed to move outside the global boundaires).
+ *
+ * If \a block is set to \a DMX_BLOCK, then the SIGIO handler will be
+ * blocked around calls to \a enqueueMotion(). */
+void dmxMotion(DevicePtr pDev, int *v, int firstAxes, int axesCount,
+ DMXMotionType type, DMXBlockType block)
+{
+ GETDMXLOCALFROMPDEV;
+
+ if (!dmxLocal->sendsCore) {
+ dmxExtMotion(dmxLocal, v, firstAxes, axesCount, type, block);
+ return;
+ }
+ if (axesCount == 2) {
+ switch (type) {
+ case DMX_RELATIVE:
+ dmxCoreMotion(pDev, dmxGlobalX - v[0], dmxGlobalY - v[1], 0, block);
+ break;
+ case DMX_ABSOLUTE:
+ dmxCoreMotion(pDev, v[0], v[1], 0, block);
+ break;
+ case DMX_ABSOLUTE_CONFINED:
+ dmxCoreMotion(pDev, v[0], v[1], -1, block);
+ break;
+ }
+ }
+}
+
+static KeySym dmxKeyCodeToKeySym(DMXLocalInputInfoPtr dmxLocal,
+ KeyCode keyCode)
+{
+ KeySym keysym = NoSymbol;
+ int effectiveGroup;
+ XkbSrvInfoPtr xkbi;
+
+ if (!dmxLocal || !dmxLocal->pDevice || !dmxLocal->pDevice->key)
+ goto out;
+
+ xkbi = dmxLocal->pDevice->key->xkbInfo;
+ effectiveGroup = XkbGetEffectiveGroup(xkbi, &xkbi->state, keyCode);
+
+ if (effectiveGroup == -1)
+ goto out;
+
+ keysym = XkbKeySym(xkbi->desc, keyCode, effectiveGroup);
+ DMXDBG2("dmxKeyCodeToKeySym: Translated keyCode=%d to keySym=0x%04x\n",
+ keyCode, keysym);
+
+out:
+ return keysym;
+}
+
+static KeyCode dmxKeySymToKeyCode(DMXLocalInputInfoPtr dmxLocal, KeySym keySym,
+ int tryFirst)
+{
+ /* FIXME: this is quite ineffective, converting to a core map first and
+ * then extracting the info from there. It'd be better to run the actual
+ * xkb map */
+ XkbSrvInfoPtr xkbi = dmxLocal->pDevice->key->xkbInfo;
+ KeySymsPtr pKeySyms = XkbGetCoreMap(dmxLocal->pDevice);
+ int i;
+
+ /* Optimize for similar maps */
+ if (XkbKeycodeInRange(xkbi->desc, tryFirst)
+ && pKeySyms->map[(tryFirst - xkbi->desc->min_key_code)
+ * pKeySyms->mapWidth] == keySym)
+ return tryFirst;
+
+ for (i = pKeySyms->minKeyCode; i <= pKeySyms->maxKeyCode; i++) {
+ if (pKeySyms->map[(i - pKeySyms->minKeyCode)
+ * pKeySyms->mapWidth] == keySym) {
+ DMXDBG3("dmxKeySymToKeyCode: Translated keySym=0x%04x to"
+ " keyCode=%d (reverses to core keySym=0x%04x)\n",
+ keySym, i, dmxKeyCodeToKeySym(dmxLocalCoreKeyboard,i));
+ return i;
+ }
+ }
+ return 0;
+}
+
+static int dmxFixup(DevicePtr pDev, int detail, KeySym keySym)
+{
+ GETDMXLOCALFROMPDEV;
+ int keyCode;
+
+ if (!dmxLocal->pDevice->key) {
+ dmxLog(dmxWarning, "dmxFixup: not a keyboard device (%s)\n",
+ dmxLocal->pDevice->name);
+ return NoSymbol;
+ }
+ if (!keySym)
+ keySym = dmxKeyCodeToKeySym(dmxLocal, detail);
+ if (keySym == NoSymbol)
+ return detail;
+ keyCode = dmxKeySymToKeyCode(dmxLocalCoreKeyboard, keySym, detail);
+
+ return keyCode ? keyCode : detail;
+}
+
+/** Enqueue an event from the \a pDev device with the
+ * specified \a type and \a detail. If the event is a KeyPress or
+ * KeyRelease event, then the \a keySym is also specified.
+ *
+ * FIXME: make the code do what the comment says, or remove this comment.
+ * If \a block is set to \a DMX_BLOCK, then the SIGIO handler will be
+ * blocked around calls to dmxeqEnqueue(). */
+
+void dmxEnqueue(DevicePtr pDev, int type, int detail, KeySym keySym,
+ XEvent *e, DMXBlockType block)
+{
+ GETDMXINPUTFROMPDEV;
+ xEvent xE;
+ DeviceIntPtr p = dmxLocal->pDevice;
+ int i, nevents, valuators[3];
+ EventListPtr events;
+ ValuatorMask mask;
+
+ DMXDBG2("dmxEnqueue: Enqueuing type=%d detail=0x%0x\n", type, detail);
+
+ switch (type) {
+ case KeyPress:
+ case KeyRelease:
+ if (!keySym)
+ keySym = dmxKeyCodeToKeySym(dmxLocal, detail);
+ if (dmxCheckFunctionKeys(dmxLocal, type, keySym))
+ return;
+ if (dmxLocal->sendsCore && dmxLocal != dmxLocalCoreKeyboard)
+ xE.u.u.detail = dmxFixup(pDev, detail, keySym);
+
+ GetEventList(&events);
+ /*ErrorF("KEY %d sym %d\n", detail, (int) keySym);*/
+ nevents = GetKeyboardEvents(events, p, type, detail, NULL);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(p, (InternalEvent*)(events + i)->event);
+ return;
+
+ case ButtonPress:
+ case ButtonRelease:
+ detail = dmxGetButtonMapping(dmxLocal, detail);
+ valuator_mask_zero(&mask);
+ GetEventList(&events);
+ nevents = GetPointerEvents(events, p, type, detail,
+ POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(p, (InternalEvent*)(events + i)->event);
+ return;
+
+ case MotionNotify:
+ GetEventList(&events);
+ valuators[0] = e->xmotion.x;
+ valuators[1] = e->xmotion.y;
+ valuators[2] = e->xmotion.state; /* FIXME: WTF?? */
+ valuator_mask_set_range(&mask, 0, 3, valuators);
+ nevents = GetPointerEvents(events, p, type, detail,
+ POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(p, (InternalEvent*)(events + i)->event);
+ return;
+
+ case EnterNotify:
+ case LeaveNotify:
+ case KeymapNotify:
+ case MappingNotify: /* This is sent because we change the
+ * modifier map on the backend/console
+ * input device so that we have complete
+ * control of the input device LEDs. */
+ return;
+ default:
+ if (type == ProximityIn || type == ProximityOut) {
+ if (dmxLocal->sendsCore)
+ return; /* Not a core event */
+ break;
+ }
+ if (type >= LASTEvent) {
+ if (dmxTranslateAndEnqueueExtEvent(dmxLocal, e, block))
+ dmxLogInput(dmxInput, "Unhandled extension event: %d\n", type);
+ } else {
+ dmxLogInput(dmxInput, "Unhandled event: %d (%s)\n",
+ type, dmxEventName(type));
+ }
+ return;
+ }
+
+}
+
+/** A pointer to this routine is passed to low-level input drivers so
+ * that all special keychecking is unified to this file. This function
+ * returns 0 if no special keys have been pressed. If the user has
+ * requested termination of the DMX server, -1 is returned. If the user
+ * has requested a switch to a VT, then the (1-based) number of that VT
+ * is returned. */
+int dmxCheckSpecialKeys(DevicePtr pDev, KeySym keySym)
+{
+ GETDMXINPUTFROMPDEV;
+ int vt = 0;
+ unsigned short state = 0;
+
+ if (dmxLocal->sendsCore)
+ state = XkbStateFieldFromRec(&dmxLocalCoreKeyboard->pDevice->key->xkbInfo->state);
+ else if (dmxLocal->pDevice->key)
+ state = XkbStateFieldFromRec(&dmxLocal->pDevice->key->xkbInfo->state);
+
+ if (!dmxLocal->sendsCore) return 0; /* Only for core devices */
+
+ DMXDBG2("dmxCheckSpecialKeys: keySym=0x%04x state=0x%04x\n", keySym,state);
+
+ if ((state & (ControlMask|Mod1Mask)) != (ControlMask|Mod1Mask)) return 0;
+
+ switch (keySym) {
+ case XK_F1:
+ case XK_F2:
+ case XK_F3:
+ case XK_F4:
+ case XK_F5:
+ case XK_F6:
+ case XK_F7:
+ case XK_F8:
+ case XK_F9:
+ case XK_F10:
+ vt = keySym - XK_F1 + 1;
+ break;
+
+ case XK_F11:
+ case XK_F12:
+ vt = keySym - XK_F11 + 11;
+ break;
+
+ case XK_q: /* To avoid confusion */
+ case XK_BackSpace:
+ case XK_Delete:
+ case XK_KP_Delete:
+ dmxLog(dmxInfo, "User request for termination\n");
+ dispatchException |= DE_TERMINATE;
+ return -1; /* Terminate */
+ }
+
+ if (vt) {
+ dmxLog(dmxInfo, "Request to switch to VT %d\n", vt);
+ dmxInput->vt_switch_pending = vt;
+ return vt;
+ }
+
+ return 0; /* Do nothing */
+}