File xserver-1.5.0-bg-none-root.patch of Package xorg-x11-server

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File xserver-1.5.0-bg-none-root.patch of Package xorg-x11-server (Revision 6d41ff0ff78f2de626b56a82434c102d)

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From a3e15680da24cb8259f6a83dee0c930dab024290 Mon Sep 17 00:00:00 2001
From: Kristian <krh@redhat.com>
Date: Fri, 15 Aug 2008 15:15:14 +1000
Subject: [PATCH] Add nr for background=none root

diff --git a/dix/globals.c b/dix/globals.c
index 973dc43..dbd76bb 100644
--- a/dix/globals.c
+++ b/dix/globals.c
@@ -141,6 +141,7 @@ FontPtr defaultFont;   /* not declared in dix.h to avoid including font.h in
 CursorPtr rootCursor;
 Bool party_like_its_1989 = FALSE;
 Bool whiteRoot = FALSE;
+Bool bgNoneRoot = FALSE;
 
 int cursorScreenDevPriv[MAXSCREENS];
 
diff --git a/dix/window.c b/dix/window.c
index c31fa87..8bb178d 100644
--- a/dix/window.c
+++ b/dix/window.c
@@ -482,23 +482,24 @@ InitRootWindow(WindowPtr pWin)
     pWin->cursorIsNone = FALSE;
     pWin->optional->cursor = rootCursor;
     rootCursor->refcnt++;
-
+    pWin->backingStore = defaultBackingStore;
+    pWin->forcedBS = (defaultBackingStore != NotUseful);
 
     if (party_like_its_1989) {
         MakeRootTile(pWin);
         backFlag |= CWBackPixmap;
+        pScreen->ChangeWindowAttributes(pWin, backFlag);
+    } else if (bgNoneRoot) {
+	/* nothing, handled in xf86CreateRootWindow */
     } else {
 	if (whiteRoot)
             pWin->background.pixel = pScreen->whitePixel;
         else
             pWin->background.pixel = pScreen->blackPixel;
         backFlag |= CWBackPixel;
-    } 
 
-    pWin->backingStore = defaultBackingStore;
-    pWin->forcedBS = (defaultBackingStore != NotUseful);
-    /* We SHOULD check for an error value here XXX */
-    (*pScreen->ChangeWindowAttributes)(pWin, backFlag);
+        pScreen->ChangeWindowAttributes(pWin, backFlag);
+    }
 
     MapWindow(pWin, serverClient);
 }
diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
index 236c00b..083a6ac 100644
--- a/hw/xfree86/common/xf86Init.c
+++ b/hw/xfree86/common/xf86Init.c
@@ -79,6 +79,7 @@
 #ifdef RENDER
 #include "picturestr.h"
 #endif
+#include "xace.h"
 
 #include "globals.h"
 
@@ -328,6 +329,7 @@ xf86CreateRootWindow(WindowPtr pWin)
   int ret = TRUE;
   int err = Success;
   ScreenPtr pScreen = pWin->drawable.pScreen;
+  ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
   RootWinPropPtr pProp;
   CreateWindowProcPtr CreateWindow = (CreateWindowProcPtr)
       dixLookupPrivate(&pScreen->devPrivates, xf86CreateRootWindowKey);
@@ -381,6 +383,15 @@ xf86CreateRootWindow(WindowPtr pWin)
     }
   }
 
+  if (bgNoneRoot && pScrn->canDoBGNoneRoot || 1) {
+      pWin->backgroundState = XaceBackgroundNoneState(pWin);
+      pWin->background.pixel = pScreen->whitePixel;
+      pScreen->ChangeWindowAttributes(pWin, CWBackPixmap | CWBorderPixel | CWCursor | CWBackingStore);
+  } else {
+      pWin->background.pixel = pScreen->blackPixel;
+      pScreen->ChangeWindowAttributes(pWin, CWBackPixel | CWBorderPixel | CWCursor | CWBackingStore);
+  }
+
 #ifdef DEBUG
   ErrorF("xf86CreateRootWindow() returns %d\n", ret);
 #endif
diff --git a/hw/xfree86/common/xf86str.h b/hw/xfree86/common/xf86str.h
index 904c369..8c38f69 100644
--- a/hw/xfree86/common/xf86str.h
+++ b/hw/xfree86/common/xf86str.h
@@ -531,7 +531,7 @@ typedef struct _confdrirec {
 } confDRIRec, *confDRIPtr;
 
 /* These values should be adjusted when new fields are added to ScrnInfoRec */
-#define NUM_RESERVED_INTS		16
+#define NUM_RESERVED_INTS		15
 #define NUM_RESERVED_POINTERS		15
 #define NUM_RESERVED_FUNCS		11
 
@@ -959,6 +959,9 @@ typedef struct _ScrnInfoRec {
     ClockRangesPtr	clockRanges;
     int			adjustFlags;
 
+    /* -nr support */
+    int			canDoBGNoneRoot;
+
     /*
      * These can be used when the minor ABI version is incremented.
      * The NUM_* parameters must be reduced appropriately to keep the
diff --git a/include/opaque.h b/include/opaque.h
index 07a0715..be1577b 100644
--- a/include/opaque.h
+++ b/include/opaque.h
@@ -71,6 +71,7 @@ extern Bool defeatAccessControl;
 extern long maxBigRequestSize;
 extern Bool party_like_its_1989;
 extern Bool whiteRoot;
+extern Bool bgNoneRoot;
 
 extern Bool CoreDump;
 
diff --git a/os/utils.c b/os/utils.c
index b100949..c41b45b 100644
--- a/os/utils.c
+++ b/os/utils.c
@@ -515,6 +515,7 @@ void UseMsg(void)
 #endif
     ErrorF("-nolisten string       don't listen on protocol\n");
     ErrorF("-noreset               don't reset after last client exists\n");
+    ErrorF("-nr                    create root window with no background\n");
     ErrorF("-reset                 reset after last client exists\n");
     ErrorF("-p #                   screen-saver pattern duration (minutes)\n");
     ErrorF("-pn                    accept failure to listen on all ports\n");
@@ -859,6 +860,8 @@ ProcessCommandLine(int argc, char *argv[])
 	    defaultBackingStore = WhenMapped;
         else if ( strcmp( argv[i], "-wr") == 0)
             whiteRoot = TRUE;
+        else if ( strcmp( argv[i], "-nr") == 0)
+            bgNoneRoot = TRUE;
         else if ( strcmp( argv[i], "-maxbigreqsize") == 0) {
              if(++i < argc) {
                  long reqSizeArg = atol(argv[i]);

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File xserver-1.5.0-bg-none-root.patch of Package xorg-x11-server (Revision 6d41ff0ff78f2de626b56a82434c102d)

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