xorg-x11-server/xorg-x11-server-1.1.1-offscreen-pixmaps.patch

--- ./hw/xfree86/xaa/xaa.h.offscreen-pixmaps	2006-08-28 15:33:34.000000000 -0400
+++ ./hw/xfree86/xaa/xaa.h	2006-08-28 15:33:36.000000000 -0400
@@ -1373,6 +1373,9 @@
    );
    CARD32 *CPUToScreenTextureDstFormats;
 #endif /* RENDER */
+
+   unsigned int savedOffscreenDepths;
+
 } XAAInfoRec, *XAAInfoRecPtr;
 
 #define SET_SYNC_FLAG(infoRec)	(infoRec)->NeedToSync = TRUE
--- ./hw/xfree86/xaa/xaaInit.c.offscreen-pixmaps	2006-07-05 14:31:42.000000000 -0400
+++ ./hw/xfree86/xaa/xaaInit.c	2006-08-28 15:31:03.000000000 -0400
@@ -4,6 +4,7 @@
 #include <xorg-config.h>
 #endif
 
+#include <string.h>
 #include "misc.h"
 #include "xf86.h"
 #include "xf86_OSproc.h"
@@ -20,6 +21,7 @@
 #include "xaawrap.h"
 #include "xf86fbman.h"
 #include "servermd.h"
+#include "selection.h"
 
 #define MAX_PREALLOC_MEM	65536	/* MUST be >= 1024 */
 
@@ -98,6 +100,49 @@
     xfree(infoRec);
 }
 
+static void
+SelectionChangedCallback (CallbackListPtr *list,
+			  pointer xaaData, pointer callData)
+{
+    static char atom_name[] = "_COMPIZ_GL_INCLUDE_INFERIORS";
+
+    SelectionInfoRec *info = callData;
+    XAAInfoRecPtr infoRec = xaaData;
+    ScreenPtr pScreen = infoRec->pScrn->pScreen;
+    Atom atom;
+
+    atom = MakeAtom(atom_name, strlen(atom_name), 0);
+    if (info->selection->selection != atom)
+	return;
+
+    if (info->kind == SelectionSetOwner && info->selection->window != None)
+    {
+	infoRec->savedOffscreenDepths = infoRec->offscreenDepths;
+	infoRec->offscreenDepths = 0;
+	infoRec->Flags &= ~OFFSCREEN_PIXMAPS;
+       
+	XAAMoveOutOffscreenPixmaps(pScreen);
+	XAAInvalidatePixmapCache(pScreen);
+
+	xf86MsgVerb(X_INFO, 3, "'%s' selection grabbed; evicting pixmaps for screen %d\n",
+		    atom_name, pScreen->myNum);
+    }
+    else if (infoRec->savedOffscreenDepths > 0)
+    {
+	infoRec->Flags |= OFFSCREEN_PIXMAPS;
+	infoRec->offscreenDepths = infoRec->savedOffscreenDepths;
+
+	if (!SwitchedOut) {
+	    xf86MsgVerb(X_INFO, 3, "'%s' selection released; pulling in pixmaps for screen %d\n",
+		      atom_name, pScreen->myNum);
+
+	    XAAMoveInOffscreenPixmaps(pScreen);
+	} else {
+	    xf86MsgVerb(X_INFO, 3, "'%s' selection released; will pull in pixmaps for screen %d when switched back in.\n",
+			atom_name, pScreen->myNum);
+	}
+    }
+}
 
 Bool 
 XAAInit(ScreenPtr pScreen, XAAInfoRecPtr infoRec)
@@ -228,11 +273,11 @@
     if(infoRec->Flags & MICROSOFT_ZERO_LINE_BIAS)
 	miSetZeroLineBias(pScreen, OCTANT1 | OCTANT2 | OCTANT3 | OCTANT4);
 
+    AddCallback(&SelectionCallback, SelectionChangedCallback, infoRec);
+
     return TRUE;
 }
 
-
-
 static Bool
 XAACloseScreen (int i, ScreenPtr pScreen)
 {
@@ -264,6 +309,9 @@
 
     xfree ((pointer) pScreenPriv);
 
+    DeleteCallback(&SelectionCallback, SelectionChangedCallback,
+		   pScreenPriv->AccelInfoRec);
+
     return (*pScreen->CloseScreen) (i, pScreen);
 }