From 0ef233ddca61b9f3c72aa5f806ee818348f3aa20 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Thu, 19 Aug 2010 20:55:15 +0000
Subject: xserver git update 19/8/2010

---
 xorg-server/miext/rootless/rootless.h       | 900 ++++++++++++++--------------
 xorg-server/miext/rootless/rootlessWindow.c |  12 +-
 2 files changed, 459 insertions(+), 453 deletions(-)

(limited to 'xorg-server/miext')

diff --git a/xorg-server/miext/rootless/rootless.h b/xorg-server/miext/rootless/rootless.h
index 00eac4e8a..1046657c4 100644
--- a/xorg-server/miext/rootless/rootless.h
+++ b/xorg-server/miext/rootless/rootless.h
@@ -1,450 +1,450 @@
-/*
- * External interface to generic rootless mode
- */
-/*
- * Copyright (c) 2001 Greg Parker. All Rights Reserved.
- * Copyright (c) 2002-2003 Torrey T. Lyons. 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 and this permission notice 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
- * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright
- * holders shall not be used in advertising or otherwise to promote the sale,
- * use or other dealings in this Software without prior written authorization.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifndef _ROOTLESS_H
-#define _ROOTLESS_H
-
-#include "rootlessConfig.h"
-#include "mi.h"
-#include "gcstruct.h"
-
-/*
-   Each top-level rootless window has a one-to-one correspondence to a physical
-   on-screen window. The physical window is refered to as a "frame".
- */
-
-typedef void * RootlessFrameID;
-
-/*
- * RootlessWindowRec
- *  This structure stores the per-frame data used by the rootless code.
- *  Each top-level X window has one RootlessWindowRec associated with it.
- */
-typedef struct _RootlessWindowRec {
-    // Position and size includes the window border
-    // Position is in per-screen coordinates
-    int x, y;
-    unsigned int width, height;
-    unsigned int borderWidth;
-    int level;
-
-    RootlessFrameID wid;	// implementation specific frame id
-    WindowPtr win;		// underlying X window
-
-    // Valid only when drawing (ie. is_drawing is set)
-    char *pixelData;
-    int bytesPerRow;
-
-    PixmapPtr pixmap;
-
-#ifdef ROOTLESS_TRACK_DAMAGE
-    RegionRec damage;
-#endif
-
-    unsigned int is_drawing :1;	// Currently drawing?
-    unsigned int is_reorder_pending :1;
-    unsigned int is_offscreen :1;
-    unsigned int is_obscured :1;
-} RootlessWindowRec, *RootlessWindowPtr;
-
-
-/* Offset for screen-local to global coordinate transforms */
-#ifdef ROOTLESS_GLOBAL_COORDS
-extern int rootlessGlobalOffsetX;
-extern int rootlessGlobalOffsetY;
-#endif
-
-/* The minimum number of bytes or pixels for which to use the
-   implementation's accelerated functions. */
-extern unsigned int rootless_CopyBytes_threshold;
-extern unsigned int rootless_FillBytes_threshold;
-extern unsigned int rootless_CompositePixels_threshold;
-extern unsigned int rootless_CopyWindow_threshold;
-
-/* Operations used by CompositePixels */
-enum rl_composite_op_enum {
-    RL_COMPOSITE_SRC = 0,
-    RL_COMPOSITE_OVER,
-};
-
-/* Data formats for depth field and composite functions */
-enum rl_depth_enum {
-    RL_DEPTH_NIL = 0,			/* null source when compositing */
-    RL_DEPTH_ARGB8888,
-    RL_DEPTH_RGB555,
-    RL_DEPTH_A8,			/* for masks when compositing */
-    RL_DEPTH_INDEX8,
-};
-
-/* Macro to form the composite function for CompositePixels */
-#define RL_COMPOSITE_FUNCTION(op, src_depth, mask_depth, dest_depth) \
-    (((op) << 24) | ((src_depth) << 16) \
-     | ((mask_depth) << 8) | ((dest_depth) << 0))
-
-/* Gravity for window contents during resizing */
-enum rl_gravity_enum {
-    RL_GRAVITY_NONE             = 0,	/* no gravity, fill everything */
-    RL_GRAVITY_NORTH_WEST       = 1,	/* anchor to top-left corner */
-    RL_GRAVITY_NORTH_EAST       = 2,	/* anchor to top-right corner */
-    RL_GRAVITY_SOUTH_EAST       = 3,	/* anchor to bottom-right corner */
-    RL_GRAVITY_SOUTH_WEST       = 4,	/* anchor to bottom-left corner */
-};
-
-
-/*------------------------------------------
-   Rootless Implementation Functions
-  ------------------------------------------*/
-
-/*
- * Create a new frame.
- *  The frame is created unmapped.
- *
- *  pFrame      RootlessWindowPtr for this frame should be completely
- *              initialized before calling except for pFrame->wid, which
- *              is set by this function.
- *  pScreen     Screen on which to place the new frame
- *  newX, newY  Position of the frame. These will be identical to pFrame-x,
- *              pFrame->y unless ROOTLESS_GLOBAL_COORDS is set.
- *  pNewShape   Shape for the frame (in frame-local coordinates). NULL for
- *              unshaped frames.
- */
-typedef Bool (*RootlessCreateFrameProc)
-    (RootlessWindowPtr pFrame, ScreenPtr pScreen, int newX, int newY,
-     RegionPtr pNewShape);
-
-/*
- * Destroy a frame.
- *  Drawing is stopped and all updates are flushed before this is called.
- *
- *  wid         Frame id
- */
-typedef void (*RootlessDestroyFrameProc)
-    (RootlessFrameID wid);
-
-/*
- * Move a frame on screen.
- *  Drawing is stopped and all updates are flushed before this is called.
- *
- *  wid         Frame id
- *  pScreen     Screen to move the new frame to
- *  newX, newY  New position of the frame
- */
-typedef void (*RootlessMoveFrameProc) 
-    (RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY);
-
-/*
- * Resize and move a frame.
- *  Drawing is stopped and all updates are flushed before this is called.
- *
- *  wid         Frame id
- *  pScreen     Screen to move the new frame to
- *  newX, newY  New position of the frame
- *  newW, newH  New size of the frame
- *  gravity     Gravity for window contents (rl_gravity_enum). This is always
- *              RL_GRAVITY_NONE unless ROOTLESS_RESIZE_GRAVITY is set.
- */
-typedef void (*RootlessResizeFrameProc)
-    (RootlessFrameID wid, ScreenPtr pScreen,
-     int newX, int newY, unsigned int newW, unsigned int newH,
-     unsigned int gravity);
-
-/*
- * Change frame ordering (AKA stacking, layering).
- *  Drawing is stopped before this is called. Unmapped frames are mapped by
- *  setting their ordering.
- *
- *  wid         Frame id
- *  nextWid     Frame id of frame that is now above this one or NULL if this
- *              frame is at the top.
- */
-typedef void (*RootlessRestackFrameProc)
-    (RootlessFrameID wid, RootlessFrameID nextWid);
-
-/*
- * Change frame's shape.
- *  Drawing is stopped before this is called.
- *
- *  wid         Frame id
- *  pNewShape   New shape for the frame (in frame-local coordinates)
- *              or NULL if now unshaped.
- */
-typedef void (*RootlessReshapeFrameProc)
-    (RootlessFrameID wid, RegionPtr pNewShape);
-
-/*
- * Unmap a frame.
- *
- *  wid         Frame id
- */
-typedef void (*RootlessUnmapFrameProc)
-    (RootlessFrameID wid);
-
-/*
- * Start drawing to a frame.
- *  Prepare a frame for direct access to its backing buffer.
- *
- *  wid         Frame id
- *  pixelData   Address of the backing buffer (returned)
- *  bytesPerRow Width in bytes of the backing buffer (returned)
- */
-typedef void (*RootlessStartDrawingProc)
-    (RootlessFrameID wid, char **pixelData, int *bytesPerRow);
-
-/*
- * Stop drawing to a frame.
- *  No drawing to the frame's backing buffer will occur until drawing
- *  is started again.
- *
- *  wid         Frame id
- *  flush       Flush drawing updates for this frame to the screen. This
- *              will always be FALSE if ROOTLESS_TRACK_DAMAGE is set.
- */
-typedef void (*RootlessStopDrawingProc)
-    (RootlessFrameID wid, Bool flush);
-
-/*
- * Flush drawing updates to the screen.
- *  Drawing is stopped before this is called.
- *
- *  wid         Frame id
- *  pDamage     Region containing all the changed pixels in frame-lcoal
- *              coordinates. This is clipped to the window's clip. This
- *              will be NULL if ROOTLESS_TRACK_DAMAGE is not set.
- */
-typedef void (*RootlessUpdateRegionProc)
-    (RootlessFrameID wid, RegionPtr pDamage);
-
-/*
- * Mark damaged rectangles as requiring redisplay to screen.
- *  This will only be called if ROOTLESS_TRACK_DAMAGE is not set.
- *
- *  wid         Frame id
- *  nrects      Number of damaged rectangles
- *  rects       Array of damaged rectangles in frame-local coordinates
- *  shift_x,    Vector to shift rectangles by
- *   shift_y
- */
-typedef void (*RootlessDamageRectsProc)
-    (RootlessFrameID wid, int nrects, const BoxRec *rects,
-     int shift_x, int shift_y);
-
-/*
- * Switch the window associated with a frame. (Optional)
- *  When a framed window is reparented, the frame is resized and set to
- *  use the new top-level parent. If defined this function will be called
- *  afterwards for implementation specific bookkeeping.
- *
- *  pFrame      Frame whose window has switched
- *  oldWin      Previous window wrapped by this frame
- */
-typedef void (*RootlessSwitchWindowProc)
-    (RootlessWindowPtr pFrame, WindowPtr oldWin);
-
-/*
- * Check if window should be reordered. (Optional)
- *  The underlying window system may animate windows being ordered in.
- *  We want them to be mapped but remain ordered out until the animation
- *  completes. If defined this function will be called to check if a
- *  framed window should be reordered now. If this function returns
- *  FALSE, the window will still be mapped from the X11 perspective, but
- *  the RestackFrame function will not be called for its frame.
- *
- *  pFrame      Frame to reorder
- */
-typedef Bool (*RootlessDoReorderWindowProc)
-    (RootlessWindowPtr pFrame);
-
-/*
- * Copy bytes. (Optional)
- *  Source and destinate may overlap and the right thing should happen.
- *
- *  width       Bytes to copy per row
- *  height      Number of rows
- *  src         Source data
- *  srcRowBytes Width of source in bytes
- *  dst         Destination data
- *  dstRowBytes Width of destination in bytes
- */
-typedef void (*RootlessCopyBytesProc)
-    (unsigned int width, unsigned int height,
-     const void *src, unsigned int srcRowBytes,
-     void *dst, unsigned int dstRowBytes);
-
-/*
- * Fill memory with 32-bit pattern. (Optional)
- *
- *  width       Bytes to fill per row
- *  height      Number of rows
- *  value       32-bit pattern to fill with
- *  dst         Destination data
- *  dstRowBytes Width of destination in bytes
- */
-typedef void (*RootlessFillBytesProc)
-    (unsigned int width, unsigned int height, unsigned int value,
-     void *dst, unsigned int dstRowBytes);
-
-/*
- * Composite pixels from source and mask to destination. (Optional)
- *
- *  width, height   Size of area to composite to in pizels
- *  function        Composite function built with RL_COMPOSITE_FUNCTION
- *  src             Source data
- *  srcRowBytes     Width of source in bytes (Passing NULL means source
- *                  is a single pixel.
- *  mask            Mask data
- *  maskRowBytes    Width of mask in bytes
- *  dst             Destination data
- *  dstRowBytes     Width of destination in bytes
- *
- *  For src and dst, the first element of the array is the color data. If
- *  the second element is non-null it implies there is alpha data (which
- *  may be meshed or planar). Data without alpha is assumed to be opaque.
- *
- *  An X11 error code is returned.
- */
-typedef int (*RootlessCompositePixelsProc)
-    (unsigned int width, unsigned int height, unsigned int function,
-     void *src[2], unsigned int srcRowBytes[2],
-     void *mask, unsigned int maskRowBytes,
-     void *dst[2], unsigned int dstRowBytes[2]);
-
-/*
- * Copy area in frame to another part of frame. (Optional)
- *
- *  wid         Frame id
- *  dstNrects   Number of rectangles to copy
- *  dstRects    Array of rectangles to copy
- *  dx, dy      Number of pixels away to copy area
- */
-typedef void (*RootlessCopyWindowProc)
-    (RootlessFrameID wid, int dstNrects, const BoxRec *dstRects,
-     int dx, int dy);
-
-
-typedef void (*RootlessHideWindowProc)
-     (RootlessFrameID wid);
-
-typedef void (*RootlessUpdateColormapProc)
-     (RootlessFrameID wid, ScreenPtr pScreen);
-
-/*
- * Rootless implementation function list
- */
-typedef struct _RootlessFrameProcs {
-    RootlessCreateFrameProc CreateFrame;
-    RootlessDestroyFrameProc DestroyFrame;
-
-    RootlessMoveFrameProc MoveFrame;
-    RootlessResizeFrameProc ResizeFrame;
-    RootlessRestackFrameProc RestackFrame;
-    RootlessReshapeFrameProc ReshapeFrame;
-    RootlessUnmapFrameProc UnmapFrame;
-
-    RootlessStartDrawingProc StartDrawing;
-    RootlessStopDrawingProc StopDrawing;
-    RootlessUpdateRegionProc UpdateRegion;
-#ifndef ROOTLESS_TRACK_DAMAGE
-    RootlessDamageRectsProc DamageRects;
-#endif
-
-    /* Optional frame functions */
-    RootlessSwitchWindowProc SwitchWindow;
-    RootlessDoReorderWindowProc DoReorderWindow;
-    RootlessHideWindowProc HideWindow;
-    RootlessUpdateColormapProc UpdateColormap;
-
-    /* Optional acceleration functions */
-    RootlessCopyBytesProc CopyBytes;
-    RootlessFillBytesProc FillBytes;
-    RootlessCompositePixelsProc CompositePixels;
-    RootlessCopyWindowProc CopyWindow;
-} RootlessFrameProcsRec, *RootlessFrameProcsPtr;
-
-
-/*
- * Initialize rootless mode on the given screen.
- */
-Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs);
-
-/*
- * Initialize acceleration for rootless mode on a given screen.
- *  Note: RootlessAccelInit() must be called before DamageSetup()
- *  and RootlessInit() must be called afterwards.
- */
-Bool RootlessAccelInit(ScreenPtr pScreen);
-
-/*
- * Return the frame ID for the physical window displaying the given window. 
- *
- *  create      If true and the window has no frame, attempt to create one
- */
-RootlessFrameID RootlessFrameForWindow(WindowPtr pWin, Bool create);
-
-/*
- * Return the top-level parent of a window.
- *  The root is the top-level parent of itself, even though the root is
- *  not otherwise considered to be a top-level window.
- */
-WindowPtr TopLevelParent(WindowPtr pWindow);
-
-/*
- * Prepare a window for direct access to its backing buffer.
- */
-void RootlessStartDrawing(WindowPtr pWindow);
-
-/*
- * Finish drawing to a window's backing buffer.
- *
- *  flush       If true and ROOTLESS_TRACK_DAMAGE is set, damaged areas
- *              are flushed to the screen.
- */
-void RootlessStopDrawing(WindowPtr pWindow, Bool flush);
-
-/*
- * Alocate a new screen pixmap.
- *  miCreateScreenResources does not do this properly with a null
- *  framebuffer pointer.
- */
-void RootlessUpdateScreenPixmap(ScreenPtr pScreen);
-
-/*
- * Reposition all windows on a screen to their correct positions.
- */
-void RootlessRepositionWindows(ScreenPtr pScreen);
-
-/*
- * Bring all windows to the front of the Aqua stack
- */
-void RootlessOrderAllWindows (void);
-#endif /* _ROOTLESS_H */
+/*
+ * External interface to generic rootless mode
+ */
+/*
+ * Copyright (c) 2001 Greg Parker. All Rights Reserved.
+ * Copyright (c) 2002-2003 Torrey T. Lyons. 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 and this permission notice 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
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifndef _ROOTLESS_H
+#define _ROOTLESS_H
+
+#include "rootlessConfig.h"
+#include "mi.h"
+#include "gcstruct.h"
+
+/*
+   Each top-level rootless window has a one-to-one correspondence to a physical
+   on-screen window. The physical window is refered to as a "frame".
+ */
+
+typedef void * RootlessFrameID;
+
+/*
+ * RootlessWindowRec
+ *  This structure stores the per-frame data used by the rootless code.
+ *  Each top-level X window has one RootlessWindowRec associated with it.
+ */
+typedef struct _RootlessWindowRec {
+    // Position and size includes the window border
+    // Position is in per-screen coordinates
+    int x, y;
+    unsigned int width, height;
+    unsigned int borderWidth;
+    int level;
+
+    RootlessFrameID wid;	// implementation specific frame id
+    WindowPtr win;		// underlying X window
+
+    // Valid only when drawing (ie. is_drawing is set)
+    char *pixelData;
+    int bytesPerRow;
+
+    PixmapPtr pixmap;
+
+#ifdef ROOTLESS_TRACK_DAMAGE
+    RegionRec damage;
+#endif
+
+    unsigned int is_drawing :1;	// Currently drawing?
+    unsigned int is_reorder_pending :1;
+    unsigned int is_offscreen :1;
+    unsigned int is_obscured :1;
+} RootlessWindowRec, *RootlessWindowPtr;
+
+
+/* Offset for screen-local to global coordinate transforms */
+#ifdef ROOTLESS_GLOBAL_COORDS
+extern int rootlessGlobalOffsetX;
+extern int rootlessGlobalOffsetY;
+#endif
+
+/* The minimum number of bytes or pixels for which to use the
+   implementation's accelerated functions. */
+extern unsigned int rootless_CopyBytes_threshold;
+extern unsigned int rootless_FillBytes_threshold;
+extern unsigned int rootless_CompositePixels_threshold;
+extern unsigned int rootless_CopyWindow_threshold;
+
+/* Operations used by CompositePixels */
+enum rl_composite_op_enum {
+    RL_COMPOSITE_SRC = 0,
+    RL_COMPOSITE_OVER,
+};
+
+/* Data formats for depth field and composite functions */
+enum rl_depth_enum {
+    RL_DEPTH_NIL = 0,			/* null source when compositing */
+    RL_DEPTH_ARGB8888,
+    RL_DEPTH_RGB555,
+    RL_DEPTH_A8,			/* for masks when compositing */
+    RL_DEPTH_INDEX8,
+};
+
+/* Macro to form the composite function for CompositePixels */
+#define RL_COMPOSITE_FUNCTION(op, src_depth, mask_depth, dest_depth) \
+    (((op) << 24) | ((src_depth) << 16) \
+     | ((mask_depth) << 8) | ((dest_depth) << 0))
+
+/* Gravity for window contents during resizing */
+enum rl_gravity_enum {
+    RL_GRAVITY_NONE             = 0,	/* no gravity, fill everything */
+    RL_GRAVITY_NORTH_WEST       = 1,	/* anchor to top-left corner */
+    RL_GRAVITY_NORTH_EAST       = 2,	/* anchor to top-right corner */
+    RL_GRAVITY_SOUTH_EAST       = 3,	/* anchor to bottom-right corner */
+    RL_GRAVITY_SOUTH_WEST       = 4,	/* anchor to bottom-left corner */
+};
+
+
+/*------------------------------------------
+   Rootless Implementation Functions
+  ------------------------------------------*/
+
+/*
+ * Create a new frame.
+ *  The frame is created unmapped.
+ *
+ *  pFrame      RootlessWindowPtr for this frame should be completely
+ *              initialized before calling except for pFrame->wid, which
+ *              is set by this function.
+ *  pScreen     Screen on which to place the new frame
+ *  newX, newY  Position of the frame. These will be identical to pFrame-x,
+ *              pFrame->y unless ROOTLESS_GLOBAL_COORDS is set.
+ *  pNewShape   Shape for the frame (in frame-local coordinates). NULL for
+ *              unshaped frames.
+ */
+typedef Bool (*RootlessCreateFrameProc)
+    (RootlessWindowPtr pFrame, ScreenPtr pScreen, int newX, int newY,
+     RegionPtr pNewShape);
+
+/*
+ * Destroy a frame.
+ *  Drawing is stopped and all updates are flushed before this is called.
+ *
+ *  wid         Frame id
+ */
+typedef void (*RootlessDestroyFrameProc)
+    (RootlessFrameID wid);
+
+/*
+ * Move a frame on screen.
+ *  Drawing is stopped and all updates are flushed before this is called.
+ *
+ *  wid         Frame id
+ *  pScreen     Screen to move the new frame to
+ *  newX, newY  New position of the frame
+ */
+typedef void (*RootlessMoveFrameProc) 
+    (RootlessFrameID wid, ScreenPtr pScreen, int newX, int newY);
+
+/*
+ * Resize and move a frame.
+ *  Drawing is stopped and all updates are flushed before this is called.
+ *
+ *  wid         Frame id
+ *  pScreen     Screen to move the new frame to
+ *  newX, newY  New position of the frame
+ *  newW, newH  New size of the frame
+ *  gravity     Gravity for window contents (rl_gravity_enum). This is always
+ *              RL_GRAVITY_NONE unless ROOTLESS_RESIZE_GRAVITY is set.
+ */
+typedef void (*RootlessResizeFrameProc)
+    (RootlessFrameID wid, ScreenPtr pScreen,
+     int newX, int newY, unsigned int newW, unsigned int newH,
+     unsigned int gravity);
+
+/*
+ * Change frame ordering (AKA stacking, layering).
+ *  Drawing is stopped before this is called. Unmapped frames are mapped by
+ *  setting their ordering.
+ *
+ *  wid         Frame id
+ *  nextWid     Frame id of frame that is now above this one or NULL if this
+ *              frame is at the top.
+ */
+typedef void (*RootlessRestackFrameProc)
+    (RootlessFrameID wid, RootlessFrameID nextWid);
+
+/*
+ * Change frame's shape.
+ *  Drawing is stopped before this is called.
+ *
+ *  wid         Frame id
+ *  pNewShape   New shape for the frame (in frame-local coordinates)
+ *              or NULL if now unshaped.
+ */
+typedef void (*RootlessReshapeFrameProc)
+    (RootlessFrameID wid, RegionPtr pNewShape);
+
+/*
+ * Unmap a frame.
+ *
+ *  wid         Frame id
+ */
+typedef void (*RootlessUnmapFrameProc)
+    (RootlessFrameID wid);
+
+/*
+ * Start drawing to a frame.
+ *  Prepare a frame for direct access to its backing buffer.
+ *
+ *  wid         Frame id
+ *  pixelData   Address of the backing buffer (returned)
+ *  bytesPerRow Width in bytes of the backing buffer (returned)
+ */
+typedef void (*RootlessStartDrawingProc)
+    (RootlessFrameID wid, char **pixelData, int *bytesPerRow);
+
+/*
+ * Stop drawing to a frame.
+ *  No drawing to the frame's backing buffer will occur until drawing
+ *  is started again.
+ *
+ *  wid         Frame id
+ *  flush       Flush drawing updates for this frame to the screen. This
+ *              will always be FALSE if ROOTLESS_TRACK_DAMAGE is set.
+ */
+typedef void (*RootlessStopDrawingProc)
+    (RootlessFrameID wid, Bool flush);
+
+/*
+ * Flush drawing updates to the screen.
+ *  Drawing is stopped before this is called.
+ *
+ *  wid         Frame id
+ *  pDamage     Region containing all the changed pixels in frame-lcoal
+ *              coordinates. This is clipped to the window's clip. This
+ *              will be NULL if ROOTLESS_TRACK_DAMAGE is not set.
+ */
+typedef void (*RootlessUpdateRegionProc)
+    (RootlessFrameID wid, RegionPtr pDamage);
+
+/*
+ * Mark damaged rectangles as requiring redisplay to screen.
+ *  This will only be called if ROOTLESS_TRACK_DAMAGE is not set.
+ *
+ *  wid         Frame id
+ *  nrects      Number of damaged rectangles
+ *  rects       Array of damaged rectangles in frame-local coordinates
+ *  shift_x,    Vector to shift rectangles by
+ *   shift_y
+ */
+typedef void (*RootlessDamageRectsProc)
+    (RootlessFrameID wid, int nrects, const BoxRec *rects,
+     int shift_x, int shift_y);
+
+/*
+ * Switch the window associated with a frame. (Optional)
+ *  When a framed window is reparented, the frame is resized and set to
+ *  use the new top-level parent. If defined this function will be called
+ *  afterwards for implementation specific bookkeeping.
+ *
+ *  pFrame      Frame whose window has switched
+ *  oldWin      Previous window wrapped by this frame
+ */
+typedef void (*RootlessSwitchWindowProc)
+    (RootlessWindowPtr pFrame, WindowPtr oldWin);
+
+/*
+ * Check if window should be reordered. (Optional)
+ *  The underlying window system may animate windows being ordered in.
+ *  We want them to be mapped but remain ordered out until the animation
+ *  completes. If defined this function will be called to check if a
+ *  framed window should be reordered now. If this function returns
+ *  FALSE, the window will still be mapped from the X11 perspective, but
+ *  the RestackFrame function will not be called for its frame.
+ *
+ *  pFrame      Frame to reorder
+ */
+typedef Bool (*RootlessDoReorderWindowProc)
+    (RootlessWindowPtr pFrame);
+
+/*
+ * Copy bytes. (Optional)
+ *  Source and destinate may overlap and the right thing should happen.
+ *
+ *  width       Bytes to copy per row
+ *  height      Number of rows
+ *  src         Source data
+ *  srcRowBytes Width of source in bytes
+ *  dst         Destination data
+ *  dstRowBytes Width of destination in bytes
+ */
+typedef void (*RootlessCopyBytesProc)
+    (unsigned int width, unsigned int height,
+     const void *src, unsigned int srcRowBytes,
+     void *dst, unsigned int dstRowBytes);
+
+/*
+ * Fill memory with 32-bit pattern. (Optional)
+ *
+ *  width       Bytes to fill per row
+ *  height      Number of rows
+ *  value       32-bit pattern to fill with
+ *  dst         Destination data
+ *  dstRowBytes Width of destination in bytes
+ */
+typedef void (*RootlessFillBytesProc)
+    (unsigned int width, unsigned int height, unsigned int value,
+     void *dst, unsigned int dstRowBytes);
+
+/*
+ * Composite pixels from source and mask to destination. (Optional)
+ *
+ *  width, height   Size of area to composite to in pizels
+ *  function        Composite function built with RL_COMPOSITE_FUNCTION
+ *  src             Source data
+ *  srcRowBytes     Width of source in bytes (Passing NULL means source
+ *                  is a single pixel.
+ *  mask            Mask data
+ *  maskRowBytes    Width of mask in bytes
+ *  dst             Destination data
+ *  dstRowBytes     Width of destination in bytes
+ *
+ *  For src and dst, the first element of the array is the color data. If
+ *  the second element is non-null it implies there is alpha data (which
+ *  may be meshed or planar). Data without alpha is assumed to be opaque.
+ *
+ *  An X11 error code is returned.
+ */
+typedef int (*RootlessCompositePixelsProc)
+    (unsigned int width, unsigned int height, unsigned int function,
+     void *src[2], unsigned int srcRowBytes[2],
+     void *mask, unsigned int maskRowBytes,
+     void *dst[2], unsigned int dstRowBytes[2]);
+
+/*
+ * Copy area in frame to another part of frame. (Optional)
+ *
+ *  wid         Frame id
+ *  dstNrects   Number of rectangles to copy
+ *  dstRects    Array of rectangles to copy
+ *  dx, dy      Number of pixels away to copy area
+ */
+typedef void (*RootlessCopyWindowProc)
+    (RootlessFrameID wid, int dstNrects, const BoxRec *dstRects,
+     int dx, int dy);
+
+
+typedef void (*RootlessHideWindowProc)
+     (RootlessFrameID wid);
+
+typedef void (*RootlessUpdateColormapProc)
+     (RootlessFrameID wid, ScreenPtr pScreen);
+
+/*
+ * Rootless implementation function list
+ */
+typedef struct _RootlessFrameProcs {
+    RootlessCreateFrameProc CreateFrame;
+    RootlessDestroyFrameProc DestroyFrame;
+
+    RootlessMoveFrameProc MoveFrame;
+    RootlessResizeFrameProc ResizeFrame;
+    RootlessRestackFrameProc RestackFrame;
+    RootlessReshapeFrameProc ReshapeFrame;
+    RootlessUnmapFrameProc UnmapFrame;
+
+    RootlessStartDrawingProc StartDrawing;
+    RootlessStopDrawingProc StopDrawing;
+    RootlessUpdateRegionProc UpdateRegion;
+#ifndef ROOTLESS_TRACK_DAMAGE
+    RootlessDamageRectsProc DamageRects;
+#endif
+
+    /* Optional frame functions */
+    RootlessSwitchWindowProc SwitchWindow;
+    RootlessDoReorderWindowProc DoReorderWindow;
+    RootlessHideWindowProc HideWindow;
+    RootlessUpdateColormapProc UpdateColormap;
+
+    /* Optional acceleration functions */
+    RootlessCopyBytesProc CopyBytes;
+    RootlessFillBytesProc FillBytes;
+    RootlessCompositePixelsProc CompositePixels;
+    RootlessCopyWindowProc CopyWindow;
+} RootlessFrameProcsRec, *RootlessFrameProcsPtr;
+
+
+/*
+ * Initialize rootless mode on the given screen.
+ */
+Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs);
+
+/*
+ * Initialize acceleration for rootless mode on a given screen.
+ *  Note: RootlessAccelInit() must be called before DamageSetup()
+ *  and RootlessInit() must be called afterwards.
+ */
+Bool RootlessAccelInit(ScreenPtr pScreen);
+
+/*
+ * Return the frame ID for the physical window displaying the given window. 
+ *
+ *  create      If true and the window has no frame, attempt to create one
+ */
+RootlessFrameID RootlessFrameForWindow(WindowPtr pWin, Bool create);
+
+/*
+ * Return the top-level parent of a window.
+ *  The root is the top-level parent of itself, even though the root is
+ *  not otherwise considered to be a top-level window.
+ */
+WindowPtr TopLevelParent(WindowPtr pWindow);
+
+/*
+ * Prepare a window for direct access to its backing buffer.
+ */
+void RootlessStartDrawing(WindowPtr pWindow);
+
+/*
+ * Finish drawing to a window's backing buffer.
+ *
+ *  flush       If true and ROOTLESS_TRACK_DAMAGE is set, damaged areas
+ *              are flushed to the screen.
+ */
+void RootlessStopDrawing(WindowPtr pWindow, Bool flush);
+
+/*
+ * Alocate a new screen pixmap.
+ *  miCreateScreenResources does not do this properly with a null
+ *  framebuffer pointer.
+ */
+void RootlessUpdateScreenPixmap(ScreenPtr pScreen);
+
+/*
+ * Reposition all windows on a screen to their correct positions.
+ */
+void RootlessRepositionWindows(ScreenPtr pScreen);
+
+/*
+ * Bring all windows to the front of the native stack
+ */
+void RootlessOrderAllWindows (Bool include_unhitable);
+#endif /* _ROOTLESS_H */
diff --git a/xorg-server/miext/rootless/rootlessWindow.c b/xorg-server/miext/rootless/rootlessWindow.c
index 9ec679395..e4fde4395 100644
--- a/xorg-server/miext/rootless/rootlessWindow.c
+++ b/xorg-server/miext/rootless/rootlessWindow.c
@@ -581,10 +581,15 @@ RootlessReorderWindow(WindowPtr pWin)
 
         RootlessStopDrawing(pWin, FALSE);
 
-        /* Find the next window above this one that has a mapped frame. */
+        /* Find the next window above this one that has a mapped frame. 
+         * Only include cases where the windows are in the same category of
+         * hittability to ensure offscreen windows dont get restacked
+         * relative to onscreen ones (but that the offscreen ones maintain
+         * their stacking order if they are explicitly asked to Reorder
+         */
 
         newPrevW = pWin->prevSib;
-        while (newPrevW && (WINREC(newPrevW) == NULL || !newPrevW->realized))
+        while (newPrevW && (WINREC(newPrevW) == NULL || !newPrevW->realized || newPrevW->rootlessUnhittable != pWin->rootlessUnhittable))
             newPrevW = newPrevW->prevSib;
 
         newPrev = newPrevW != NULL ? WINREC(newPrevW) : NULL;
@@ -1502,7 +1507,7 @@ RootlessChangeBorderWidth(WindowPtr pWin, unsigned int width)
  * (i.e in front of Aqua windows) -- called when X11.app is given focus
  */
 void
-RootlessOrderAllWindows (void)
+RootlessOrderAllWindows (Bool include_unhitable)
 {
     int i;
     WindowPtr pWin;
@@ -1519,6 +1524,7 @@ RootlessOrderAllWindows (void)
       for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) {
 	if (!pWin->realized) continue;
 	if (RootlessEnsureFrame(pWin) == NULL) continue;
+        if (!include_unhitable && pWin->rootlessUnhittable) continue;
 	RootlessReorderWindow (pWin);
       }
     }
-- 
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