xserver git update 11/6/2010

1 files changed, 788 insertions, 788 deletions

diff --git a/xorg-server/hw/xwin/winscrinit.c b/xorg-server/hw/xwin/winscrinit.c
index 4fa987cd9..179eff8d0 100644
--- a/xorg-server/hw/xwin/winscrinit.c
+++ b/xorg-server/hw/xwin/winscrinit.c
@@ -1,788 +1,788 @@
-/*
- *Copyright (C) 1994-2000 The XFree86 Project, 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 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 XFREE86 PROJECT 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 the XFree86 Project
- *shall not be used in advertising or otherwise to promote the sale, use
- *or other dealings in this Software without prior written authorization
- *from the XFree86 Project.
- *
- * Authors:	Dakshinamurthy Karra
- *		Suhaib M Siddiqi
- *		Peter Busch
- *		Harold L Hunt II
- *		Kensuke Matsuzaki
- */
-
-#ifdef HAVE_XWIN_CONFIG_H
-#include <xwin-config.h>
-#endif
-#include "win.h"
-#include "winmsg.h"
-
-
-#ifdef XWIN_MULTIWINDOWEXTWM
-static RootlessFrameProcsRec
-winMWExtWMProcs = {	
-  winMWExtWMCreateFrame,
-  winMWExtWMDestroyFrame,
-  
-  winMWExtWMMoveFrame,
-  winMWExtWMResizeFrame,
-  winMWExtWMRestackFrame,
-  winMWExtWMReshapeFrame,
-  winMWExtWMUnmapFrame,
-  
-  winMWExtWMStartDrawing,
-  winMWExtWMStopDrawing,
-  winMWExtWMUpdateRegion,
-#ifndef ROOTLESS_TRACK_DAMAGE
-  winMWExtWMDamageRects,
-#endif
-  winMWExtWMRootlessSwitchWindow,
-  NULL,//winMWExtWMDoReorderWindow,
-  NULL,//winMWExtWMHideWindow,
-  NULL,//winMWExtWMUpdateColorMap,
-
-  NULL,//winMWExtWMCopyBytes,
-  NULL,//winMWExtWMFillBytes,
-  NULL,//winMWExtWMCompositePixels,
-  winMWExtWMCopyWindow
-};
-#endif
-
-
-/*
- * References to external symbols
- */
-
-extern Bool                     g_fSoftwareCursor;
-
-
-/*
- * Prototypes
- */
-
-Bool
-winRandRInit (ScreenPtr pScreen);
-
-
-/*
- * Local functions
- */
-
-static Bool
-winSaveScreen (ScreenPtr pScreen, int on);
-
-
-/*
- * Determine what type of screen we are initializing
- * and call the appropriate procedure to intiailize
- * that type of screen.
- */
-
-Bool
-winScreenInit (int index,
-	       ScreenPtr pScreen,
-	       int argc, char **argv)
-{
-  winScreenInfoPtr      pScreenInfo = &g_ScreenInfo[index];
-  winPrivScreenPtr	pScreenPriv;
-  HDC			hdc;
-
-#if CYGDEBUG || YES
-  winDebug ("winScreenInit - dwWidth: %ld dwHeight: %ld\n",
-	  pScreenInfo->dwWidth, pScreenInfo->dwHeight);
-#endif
-
-  /* Allocate privates for this screen */
-  if (!winAllocatePrivates (pScreen))
-    {
-      ErrorF ("winScreenInit - Couldn't allocate screen privates\n");
-      return FALSE;
-    }
-
-  /* Get a pointer to the privates structure that was allocated */
-  pScreenPriv = winGetScreenPriv (pScreen);
-
-  /* Save a pointer to this screen in the screen info structure */
-  pScreenInfo->pScreen = pScreen;
-
-  /* Save a pointer to the screen info in the screen privates structure */
-  /* This allows us to get back to the screen info from a screen pointer */
-  pScreenPriv->pScreenInfo = pScreenInfo;
-
-  /*
-   * Determine which engine to use.
-   *
-   * NOTE: This is done once per screen because each screen possibly has
-   * a preferred engine specified on the command line.
-   */
-  if (!winSetEngine (pScreen))
-    {
-      ErrorF ("winScreenInit - winSetEngine () failed\n");
-      return FALSE;
-    }
-
-  /* Adjust the video mode for our engine type */
-  if (!(*pScreenPriv->pwinAdjustVideoMode) (pScreen))
-    {
-      ErrorF ("winScreenInit - winAdjustVideoMode () failed\n");
-      return FALSE;
-    }
-
-  /* Check for supported display depth */
-  if (!(WIN_SUPPORTED_BPPS & (1 << (pScreenInfo->dwBPP - 1))))
-    {
-      ErrorF ("winScreenInit - Unsupported display depth: %d\n" \
-	      "Change your Windows display depth to 15, 16, 24, or 32 bits "
-	      "per pixel.\n",
-	      (int) pScreenInfo->dwBPP);
-      ErrorF ("winScreenInit - Supported depths: %08x\n",
-	      WIN_SUPPORTED_BPPS);
-#if WIN_CHECK_DEPTH
-      return FALSE;
-#endif
-    }
-
-  /*
-   * Check that all monitors have the same display depth if we are using
-   * multiple monitors
-   */
-  if (pScreenInfo->fMultipleMonitors 
-      && !GetSystemMetrics (SM_SAMEDISPLAYFORMAT))
-    {
-      ErrorF ("winScreenInit - Monitors do not all have same pixel format / "
-	      "display depth.\n"
-	      "Using primary display only.\n");
-      pScreenInfo->fMultipleMonitors = FALSE;
-    }
-
-  /* Create display window */
-  if (!(*pScreenPriv->pwinCreateBoundingWindow) (pScreen))
-    {
-      ErrorF ("winScreenInit - pwinCreateBoundingWindow () "
-	      "failed\n");
-      return FALSE;
-    }
-
-  /* Get a device context */
-  hdc = GetDC (pScreenPriv->hwndScreen);
-
-  /* Store the initial height, width, and depth of the display */
-  /* Are we using multiple monitors? */
-  if (pScreenInfo->fMultipleMonitors)
-    {
-      pScreenPriv->dwLastWindowsWidth = GetSystemMetrics (SM_CXVIRTUALSCREEN);
-      pScreenPriv->dwLastWindowsHeight = GetSystemMetrics (SM_CYVIRTUALSCREEN);
-
-      /* 
-       * In this case, some of the defaults set in
-       * winInitializeScreenDefaults() are not correct ...
-       */
-      if (!pScreenInfo->fUserGaveHeightAndWidth)
-	{
-	  pScreenInfo->dwWidth = GetSystemMetrics (SM_CXVIRTUALSCREEN);
-	  pScreenInfo->dwHeight = GetSystemMetrics (SM_CYVIRTUALSCREEN);
-	  pScreenInfo->dwWidth_mm = (pScreenInfo->dwWidth /
-				     WIN_DEFAULT_DPI) * 25.4;
-	  pScreenInfo->dwHeight_mm = (pScreenInfo->dwHeight /
-				      WIN_DEFAULT_DPI) * 25.4;
-	}
-    }
-  else
-    {
-      pScreenPriv->dwLastWindowsWidth = GetSystemMetrics (SM_CXSCREEN);
-      pScreenPriv->dwLastWindowsHeight = GetSystemMetrics (SM_CYSCREEN);
-    }
-
-  /* Save the original bits per pixel */
-  pScreenPriv->dwLastWindowsBitsPixel = GetDeviceCaps (hdc, BITSPIXEL);
-
-  /* Release the device context */
-  ReleaseDC (pScreenPriv->hwndScreen, hdc);
-    
-  /* Clear the visuals list */
-  miClearVisualTypes ();
-  
-  /* Set the padded screen width */
-  pScreenInfo->dwPaddedWidth = PixmapBytePad (pScreenInfo->dwWidth,
-					      pScreenInfo->dwBPP);
-
-  /* Call the engine dependent screen initialization procedure */
-  if (!((*pScreenPriv->pwinFinishScreenInit) (index, pScreen, argc, argv)))
-    {
-      ErrorF ("winScreenInit - winFinishScreenInit () failed\n");
-      return FALSE;
-    }
-
-  if (!g_fSoftwareCursor)
-    winInitCursor(pScreen);
-  else
-    winErrorFVerb(2, "winScreenInit - Using software cursor\n");  
-
-  /*
-     Note the screen origin in a normalized coordinate space where (0,0) is at the top left
-     of the native virtual desktop area
-  */
-  dixScreenOrigins[index].x = pScreenInfo->dwInitialX - GetSystemMetrics(SM_XVIRTUALSCREEN);
-  dixScreenOrigins[index].y = pScreenInfo->dwInitialY - GetSystemMetrics(SM_YVIRTUALSCREEN);
-
-  ErrorF("Screen %d added at virtual desktop coordinate (%d,%d).\n",
-         index, dixScreenOrigins[index].x, dixScreenOrigins[index].y);
-
-#if CYGDEBUG || YES
-  winDebug ("winScreenInit - returning\n");
-#endif
-
-  return TRUE;
-}
-
-static Bool
-winCreateScreenResources(ScreenPtr pScreen)
-{
-  winScreenPriv(pScreen);
-  Bool result;
-
-  result = pScreenPriv->pwinCreateScreenResources(pScreen);
-
-  /* Now the screen bitmap has been wrapped in a pixmap,
-     add that to the Shadow framebuffer */
-  if (!shadowAdd(pScreen, pScreen->devPrivate,
-		 pScreenPriv->pwinShadowUpdate, NULL, 0, 0))
-    {
-      ErrorF ("winCreateScreenResources - shadowAdd () failed\n");
-      return FALSE;
-    }
-
-  return result;
-}
-
-/* See Porting Layer Definition - p. 20 */
-Bool
-winFinishScreenInitFB (int index,
-		       ScreenPtr pScreen,
-		       int argc, char **argv)
-{
-  winScreenPriv(pScreen);
-  winScreenInfo		*pScreenInfo = pScreenPriv->pScreenInfo;
-  VisualPtr		pVisual = NULL;
-  char			*pbits = NULL;
-#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
-  int			iReturn;
-#endif
-
-  /* Create framebuffer */
-  if (!(*pScreenPriv->pwinAllocateFB) (pScreen))
-    {
-      ErrorF ("winFinishScreenInitFB - Could not allocate framebuffer\n");
-      return FALSE;
-    }
-
-  /*
-   * Grab the number of bits that are used to represent color in each pixel.
-   */
-  if (pScreenInfo->dwBPP == 8)
-    pScreenInfo->dwDepth = 8;
-  else
-    pScreenInfo->dwDepth = winCountBits (pScreenPriv->dwRedMask)
-      + winCountBits (pScreenPriv->dwGreenMask)
-      + winCountBits (pScreenPriv->dwBlueMask);
-  
-  winErrorFVerb (2, "winFinishScreenInitFB - Masks: %08x %08x %08x\n",
-	  (unsigned int) pScreenPriv->dwRedMask,
-	  (unsigned int) pScreenPriv->dwGreenMask,
-	  (unsigned int) pScreenPriv->dwBlueMask);
-
-  /* Init visuals */
-  if (!(*pScreenPriv->pwinInitVisuals) (pScreen))
-    {
-      ErrorF ("winFinishScreenInitFB - winInitVisuals failed\n");
-      return FALSE;
-    }
-
-  /* Setup a local variable to point to the framebuffer */
-  pbits = pScreenInfo->pfb;
-  
-  /* Apparently we need this for the render extension */
-  miSetPixmapDepths ();
-
-  /* Start fb initialization */
-  if (!fbSetupScreen (pScreen,
-		      pScreenInfo->pfb,
-		      pScreenInfo->dwWidth, pScreenInfo->dwHeight,
-		      monitorResolution, monitorResolution,
-		      pScreenInfo->dwStride,
-		      pScreenInfo->dwBPP))
-    {
-      ErrorF ("winFinishScreenInitFB - fbSetupScreen failed\n");
-      return FALSE;
-    }
-
-  /* Override default colormap routines if visual class is dynamic */
-  if (pScreenInfo->dwDepth == 8
-      && (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI
-	  || (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL
-	      && pScreenInfo->fFullScreen)
-	  || (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DD
-	      && pScreenInfo->fFullScreen)))
-    {
-      winSetColormapFunctions (pScreen);
-
-      /*
-       * NOTE: Setting whitePixel to 255 causes Magic 7.1 to allocate its
-       * own colormap, as it cannot allocate 7 planes in the default
-       * colormap.  Setting whitePixel to 1 allows Magic to get 7
-       * planes in the default colormap, so it doesn't create its
-       * own colormap.  This latter situation is highly desireable,
-       * as it keeps the Magic window viewable when switching to
-       * other X clients that use the default colormap.
-       */
-      pScreen->blackPixel = 0;
-      pScreen->whitePixel = 1;
-    }
-
-  /* Place our save screen function */
-  pScreen->SaveScreen = winSaveScreen;
-
-  /* Finish fb initialization */
-  if (!fbFinishScreenInit (pScreen,
-			   pScreenInfo->pfb,
-			   pScreenInfo->dwWidth, pScreenInfo->dwHeight,
-			   monitorResolution, monitorResolution,
-			   pScreenInfo->dwStride,
-			   pScreenInfo->dwBPP))
-    {
-      ErrorF ("winFinishScreenInitFB - fbFinishScreenInit failed\n");
-      return FALSE;
-    }
-
-  /* Save a pointer to the root visual */
-  for (pVisual = pScreen->visuals;
-       pVisual->vid != pScreen->rootVisual;
-       pVisual++);
-  pScreenPriv->pRootVisual = pVisual;
-
-  /* 
-   * Setup points to the block and wakeup handlers.  Pass a pointer
-   * to the current screen as pWakeupdata.
-   */
-  pScreen->BlockHandler = winBlockHandler;
-  pScreen->WakeupHandler = winWakeupHandler;
-  pScreen->blockData = pScreen;
-  pScreen->wakeupData = pScreen;
-
-  /* Render extension initialization, calls miPictureInit */
-  if (!fbPictureInit (pScreen, NULL, 0))
-    {
-      ErrorF ("winFinishScreenInitFB - fbPictureInit () failed\n");
-      return FALSE;
-    }
-
-#ifdef RANDR
-  /* Initialize resize and rotate support */
-  if (!winRandRInit (pScreen))
-    {
-      ErrorF ("winFinishScreenInitFB - winRandRInit () failed\n");
-      return FALSE;
-    }
-#endif
-
-  /*
-   * Backing store support should reduce network traffic and increase
-   * performance.
-   */
-  miInitializeBackingStore (pScreen);
-
-  /* KDrive does miDCInitialize right after miInitializeBackingStore */
-  /* Setup the cursor routines */
-#if CYGDEBUG
-  winDebug ("winFinishScreenInitFB - Calling miDCInitialize ()\n");
-#endif
-  miDCInitialize (pScreen, &g_winPointerCursorFuncs);
-
-  /* KDrive does winCreateDefColormap right after miDCInitialize */
-  /* Create a default colormap */
-#if CYGDEBUG
-  winDebug ("winFinishScreenInitFB - Calling winCreateDefColormap ()\n");
-#endif
-  if (!winCreateDefColormap (pScreen))
-    {
-      ErrorF ("winFinishScreenInitFB - Could not create colormap\n");
-      return FALSE;
-    }
-
-  /* Initialize the shadow framebuffer layer */
-  if ((pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI
-       || pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DD
-       || pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL)
-#ifdef XWIN_MULTIWINDOWEXTWM
-      && !pScreenInfo->fMWExtWM
-#endif
-      )
-    {
-#if CYGDEBUG
-      winDebug ("winFinishScreenInitFB - Calling shadowSetup ()\n");
-#endif
-      if (!shadowSetup(pScreen))
-	{
-	  ErrorF ("winFinishScreenInitFB - shadowSetup () failed\n");
-	  return FALSE;
-	}
-
-      /* Wrap CreateScreenResources so we can add the screen pixmap
-         to the Shadow framebuffer after it's been created */
-      pScreenPriv->pwinCreateScreenResources = pScreen->CreateScreenResources;
-      pScreen->CreateScreenResources = winCreateScreenResources;
-    }
-
-#ifdef XWIN_MULTIWINDOWEXTWM
-  /* Handle multi-window external window manager mode */
-  if (pScreenInfo->fMWExtWM)
-    {
-      winDebug ("winScreenInit - MultiWindowExtWM - Calling RootlessInit\n");
-      
-      RootlessInit(pScreen, &winMWExtWMProcs);
-      
-      winDebug ("winScreenInit - MultiWindowExtWM - RootlessInit returned\n");
-      
-      rootless_CopyBytes_threshold = 0;
-      rootless_FillBytes_threshold = 0;
-      rootless_CompositePixels_threshold = 0;
-      /* FIXME: How many? Profiling needed? */
-      rootless_CopyWindow_threshold = 1;
-
-      winWindowsWMExtensionInit ();
-    }
-#endif
-
-  /* Handle rootless mode */
-  if (pScreenInfo->fRootless)
-    {
-      /* Define the WRAP macro temporarily for local use */
-#define WRAP(a) \
-    if (pScreen->a) { \
-        pScreenPriv->a = pScreen->a; \
-    } else { \
-        ErrorF("null screen fn " #a "\n"); \
-        pScreenPriv->a = NULL; \
-    }
-
-      /* Save a pointer to each lower-level window procedure */
-      WRAP(CreateWindow);
-      WRAP(DestroyWindow);
-      WRAP(RealizeWindow);
-      WRAP(UnrealizeWindow);
-      WRAP(PositionWindow);
-      WRAP(ChangeWindowAttributes);
-      WRAP(SetShape);
-
-      /* Assign rootless window procedures to be top level procedures */
-      pScreen->CreateWindow = winCreateWindowRootless;
-      pScreen->DestroyWindow = winDestroyWindowRootless;
-      pScreen->PositionWindow = winPositionWindowRootless;
-      /*pScreen->ChangeWindowAttributes = winChangeWindowAttributesRootless;*/
-      pScreen->RealizeWindow = winMapWindowRootless;
-      pScreen->UnrealizeWindow = winUnmapWindowRootless;
-      pScreen->SetShape = winSetShapeRootless;
-
-      /* Undefine the WRAP macro, as it is not needed elsewhere */
-#undef WRAP
-    }
-
-
-#ifdef XWIN_MULTIWINDOW
-  /* Handle multi window mode */
-  else if (pScreenInfo->fMultiWindow)
-    {
-      /* Define the WRAP macro temporarily for local use */
-#define WRAP(a) \
-    if (pScreen->a) { \
-        pScreenPriv->a = pScreen->a; \
-    } else { \
-        ErrorF("null screen fn " #a "\n"); \
-        pScreenPriv->a = NULL; \
-    }
-
-      /* Save a pointer to each lower-level window procedure */
-      WRAP(CreateWindow);
-      WRAP(DestroyWindow);
-      WRAP(RealizeWindow);
-      WRAP(UnrealizeWindow);
-      WRAP(PositionWindow);
-      WRAP(ChangeWindowAttributes);
-      WRAP(ReparentWindow);
-      WRAP(RestackWindow);
-      WRAP(ResizeWindow);
-      WRAP(MoveWindow);
-      WRAP(CopyWindow);
-      WRAP(SetShape);
-
-      /* Assign multi-window window procedures to be top level procedures */
-      pScreen->CreateWindow = winCreateWindowMultiWindow;
-      pScreen->DestroyWindow = winDestroyWindowMultiWindow;
-      pScreen->PositionWindow = winPositionWindowMultiWindow;
-      /*pScreen->ChangeWindowAttributes = winChangeWindowAttributesMultiWindow;*/
-      pScreen->RealizeWindow = winMapWindowMultiWindow;
-      pScreen->UnrealizeWindow = winUnmapWindowMultiWindow;
-      pScreen->ReparentWindow = winReparentWindowMultiWindow;
-      pScreen->RestackWindow = winRestackWindowMultiWindow;
-      pScreen->ResizeWindow = winResizeWindowMultiWindow;
-      pScreen->MoveWindow = winMoveWindowMultiWindow;
-      pScreen->CopyWindow = winCopyWindowMultiWindow;
-      pScreen->SetShape = winSetShapeMultiWindow;
-
-      /* Undefine the WRAP macro, as it is not needed elsewhere */
-#undef WRAP
-    }
-#endif
-
-  /* Wrap either fb's or shadow's CloseScreen with our CloseScreen */
-  pScreenPriv->CloseScreen = pScreen->CloseScreen;
-  pScreen->CloseScreen = pScreenPriv->pwinCloseScreen;
-
-#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
-  /* Create a mutex for modules in separate threads to wait for */
-  iReturn = pthread_mutex_init (&pScreenPriv->pmServerStarted, NULL);
-  if (iReturn != 0)
-    {
-      ErrorF ("winFinishScreenInitFB - pthread_mutex_init () failed: %d\n",
-	      iReturn);
-      return FALSE;
-    }
-
-  /* Own the mutex for modules in separate threads */
-  iReturn = pthread_mutex_lock (&pScreenPriv->pmServerStarted);
-  if (iReturn != 0)
-    {
-      ErrorF ("winFinishScreenInitFB - pthread_mutex_lock () failed: %d\n",
-	      iReturn);
-      return FALSE;
-    }
-
-  /* Set the ServerStarted flag to false */
-  pScreenPriv->fServerStarted = FALSE;
-#endif
-
-#ifdef XWIN_MULTIWINDOWEXTWM
-  pScreenPriv->fRestacking = FALSE;
-#endif
-
-#if defined(XWIN_MULTIWINDOW) || defined(XWIN_MULTIWINDOWEXTWM)
-  if (FALSE
-#ifdef XWIN_MULTIWINDOW
-      || pScreenInfo->fMultiWindow
-#endif
-#ifdef XWIN_MULTIWINDOWEXTWM
-      || pScreenInfo->fInternalWM
-#endif
-      )
-    { 
-#if CYGDEBUG || YES
-      winDebug ("winFinishScreenInitFB - Calling winInitWM.\n");
-#endif
-
-      /* Initialize multi window mode */
-      if (!winInitWM (&pScreenPriv->pWMInfo,
-		      &pScreenPriv->ptWMProc,
-		      &pScreenPriv->ptXMsgProc,
-		      &pScreenPriv->pmServerStarted,
-		      pScreenInfo->dwScreen,
-		      (HWND)&pScreenPriv->hwndScreen,
-#ifdef XWIN_MULTIWINDOWEXTWM
-		      pScreenInfo->fInternalWM ||
-#endif
-		      FALSE))
-        {
-          ErrorF ("winFinishScreenInitFB - winInitWM () failed.\n");
-          return FALSE;
-        }
-    }      
-#endif
-
-  /* Tell the server that we are enabled */
-  pScreenPriv->fEnabled = TRUE;
-
-  /* Tell the server that we have a valid depth */
-  pScreenPriv->fBadDepth = FALSE;
-
-#if CYGDEBUG || YES
-  winDebug ("winFinishScreenInitFB - returning\n");
-#endif
-
-  return TRUE;
-}
-
-#ifdef XWIN_NATIVEGDI
-/* See Porting Layer Definition - p. 20 */
-
-Bool
-winFinishScreenInitNativeGDI (int index,
-			      ScreenPtr pScreen,
-			      int argc, char **argv)
-{
-  winScreenPriv(pScreen);
-  winScreenInfoPtr      pScreenInfo = &g_ScreenInfo[index];
-  VisualPtr		pVisuals = NULL;
-  DepthPtr		pDepths = NULL;
-  VisualID		rootVisual = 0;
-  int			nVisuals = 0, nDepths = 0, nRootDepth = 0;
-
-  /* Ignore user input (mouse, keyboard) */
-  pScreenInfo->fIgnoreInput = FALSE;
-
-  /* Get device contexts for the screen and shadow bitmap */
-  pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen);
-  if (pScreenPriv->hdcScreen == NULL)
-    FatalError ("winFinishScreenInitNativeGDI - Couldn't get a DC\n");
-
-  /* Init visuals */
-  if (!(*pScreenPriv->pwinInitVisuals) (pScreen))
-    {
-      ErrorF ("winFinishScreenInitNativeGDI - pwinInitVisuals failed\n");
-      return FALSE;
-    }
-
-  /* Initialize the mi visuals */
-  if (!miInitVisuals (&pVisuals, &pDepths, &nVisuals, &nDepths, &nRootDepth,
-		      &rootVisual,
-		      ((unsigned long)1 << (pScreenInfo->dwDepth - 1)), 8,
-		      TrueColor))
-    {
-      ErrorF ("winFinishScreenInitNativeGDI - miInitVisuals () failed\n");
-      return FALSE;
-    }
-
-  /* Initialize the CloseScreen procedure pointer */
-  pScreen->CloseScreen = NULL;
-
-  /* Initialize the mi code */
-  if (!miScreenInit (pScreen,
-		     NULL, /* No framebuffer */
-		     pScreenInfo->dwWidth, pScreenInfo->dwHeight,
-		     monitorResolution, monitorResolution,
-		     pScreenInfo->dwStride,
-		     nRootDepth, nDepths, pDepths, rootVisual,
-		     nVisuals, pVisuals))
-    {
-      ErrorF ("winFinishScreenInitNativeGDI - miScreenInit failed\n");
-      return FALSE;
-    }
-
-  pScreen->defColormap = FakeClientID(0);
-
-  /*
-   * Register our block and wakeup handlers; these procedures
-   * process messages in our Windows message queue; specifically,
-   * they process mouse and keyboard input.
-   */
-  pScreen->BlockHandler = winBlockHandler;
-  pScreen->WakeupHandler = winWakeupHandler;
-  pScreen->blockData = pScreen;
-  pScreen->wakeupData = pScreen;
-
-  /* Place our save screen function */
-  pScreen->SaveScreen = winSaveScreen;
-
-  /* Pixmaps */
-  pScreen->CreatePixmap = winCreatePixmapNativeGDI;
-  pScreen->DestroyPixmap = winDestroyPixmapNativeGDI;
-
-  /* Other Screen Routines */
-  pScreen->QueryBestSize = winQueryBestSizeNativeGDI;
-  pScreen->SaveScreen = winSaveScreen;  
-  pScreen->GetImage = miGetImage;
-  pScreen->GetSpans = winGetSpansNativeGDI;
-
-  /* Window Procedures */
-  pScreen->CreateWindow = winCreateWindowNativeGDI;
-  pScreen->DestroyWindow = winDestroyWindowNativeGDI;
-  pScreen->PositionWindow = winPositionWindowNativeGDI;
-  /*pScreen->ChangeWindowAttributes = winChangeWindowAttributesNativeGDI;*/
-  pScreen->RealizeWindow = winMapWindowNativeGDI;
-  pScreen->UnrealizeWindow = winUnmapWindowNativeGDI;
-
-  /* Paint window */
-  pScreen->CopyWindow = winCopyWindowNativeGDI;
-
-  /* Fonts */
-  pScreen->RealizeFont = winRealizeFontNativeGDI;
-  pScreen->UnrealizeFont = winUnrealizeFontNativeGDI;
-
-  /* GC */
-  pScreen->CreateGC = winCreateGCNativeGDI;
-
-  /* Colormap Routines */
-  pScreen->CreateColormap = miInitializeColormap;
-  pScreen->DestroyColormap = (DestroyColormapProcPtr) (void (*)(void)) NoopDDA;
-  pScreen->InstallColormap = miInstallColormap;
-  pScreen->UninstallColormap = miUninstallColormap;
-  pScreen->ListInstalledColormaps = miListInstalledColormaps;
-  pScreen->StoreColors = (StoreColorsProcPtr) (void (*)(void)) NoopDDA;
-  pScreen->ResolveColor = miResolveColor;
-
-  /* Bitmap */
-  pScreen->BitmapToRegion = winPixmapToRegionNativeGDI;
-
-  ErrorF ("winFinishScreenInitNativeGDI - calling miDCInitialize\n");
-
-  /* Set the default white and black pixel positions */
-  pScreen->whitePixel = pScreen->blackPixel = (Pixel) 0;
-
-  /* Initialize the cursor */
-  if (!miDCInitialize (pScreen, &g_winPointerCursorFuncs))
-    {
-      ErrorF ("winFinishScreenInitNativeGDI - miDCInitialize failed\n");
-      return FALSE;
-    }
-  
-  /* Create a default colormap */
-  if (!miCreateDefColormap (pScreen))
-    {
-        ErrorF ("winFinishScreenInitNativeGDI - miCreateDefColormap () "
-		"failed\n");
-	return FALSE;
-    }
-
-  ErrorF ("winFinishScreenInitNativeGDI - miCreateDefColormap () "
-	  "returned\n");
-  
-  /* mi doesn't use a CloseScreen procedure, so no need to wrap */
-  pScreen->CloseScreen = pScreenPriv->pwinCloseScreen;
-
-  /* Tell the server that we are enabled */
-  pScreenPriv->fEnabled = TRUE;
-
-  ErrorF ("winFinishScreenInitNativeGDI - Successful addition of "
-	  "screen %08x\n",
-	  (unsigned int) pScreen);
-
-  return TRUE;
-}
-#endif
-
-
-/* See Porting Layer Definition - p. 33 */
-static Bool
-winSaveScreen (ScreenPtr pScreen, int on)
-{
-  return TRUE;
-}
+/*

+ *Copyright (C) 1994-2000 The XFree86 Project, 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 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 XFREE86 PROJECT 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 the XFree86 Project

+ *shall not be used in advertising or otherwise to promote the sale, use

+ *or other dealings in this Software without prior written authorization

+ *from the XFree86 Project.

+ *

+ * Authors:	Dakshinamurthy Karra

+ *		Suhaib M Siddiqi

+ *		Peter Busch

+ *		Harold L Hunt II

+ *		Kensuke Matsuzaki

+ */

+

+#ifdef HAVE_XWIN_CONFIG_H

+#include <xwin-config.h>

+#endif

+#include "win.h"

+#include "winmsg.h"

+

+

+#ifdef XWIN_MULTIWINDOWEXTWM

+static RootlessFrameProcsRec

+winMWExtWMProcs = {	

+  winMWExtWMCreateFrame,

+  winMWExtWMDestroyFrame,

+  

+  winMWExtWMMoveFrame,

+  winMWExtWMResizeFrame,

+  winMWExtWMRestackFrame,

+  winMWExtWMReshapeFrame,

+  winMWExtWMUnmapFrame,

+  

+  winMWExtWMStartDrawing,

+  winMWExtWMStopDrawing,

+  winMWExtWMUpdateRegion,

+#ifndef ROOTLESS_TRACK_DAMAGE

+  winMWExtWMDamageRects,

+#endif

+  winMWExtWMRootlessSwitchWindow,

+  NULL,//winMWExtWMDoReorderWindow,

+  NULL,//winMWExtWMHideWindow,

+  NULL,//winMWExtWMUpdateColorMap,

+

+  NULL,//winMWExtWMCopyBytes,

+  NULL,//winMWExtWMFillBytes,

+  NULL,//winMWExtWMCompositePixels,

+  winMWExtWMCopyWindow

+};

+#endif

+

+

+/*

+ * References to external symbols

+ */

+

+extern Bool                     g_fSoftwareCursor;

+

+

+/*

+ * Prototypes

+ */

+

+Bool

+winRandRInit (ScreenPtr pScreen);

+

+

+/*

+ * Local functions

+ */

+

+static Bool

+winSaveScreen (ScreenPtr pScreen, int on);

+

+

+/*

+ * Determine what type of screen we are initializing

+ * and call the appropriate procedure to intiailize

+ * that type of screen.

+ */

+

+Bool

+winScreenInit (int index,

+	       ScreenPtr pScreen,

+	       int argc, char **argv)

+{

+  winScreenInfoPtr      pScreenInfo = &g_ScreenInfo[index];

+  winPrivScreenPtr	pScreenPriv;

+  HDC			hdc;

+

+#if CYGDEBUG || YES

+  winDebug ("winScreenInit - dwWidth: %ld dwHeight: %ld\n",

+	  pScreenInfo->dwWidth, pScreenInfo->dwHeight);

+#endif

+

+  /* Allocate privates for this screen */

+  if (!winAllocatePrivates (pScreen))

+    {

+      ErrorF ("winScreenInit - Couldn't allocate screen privates\n");

+      return FALSE;

+    }

+

+  /* Get a pointer to the privates structure that was allocated */

+  pScreenPriv = winGetScreenPriv (pScreen);

+

+  /* Save a pointer to this screen in the screen info structure */

+  pScreenInfo->pScreen = pScreen;

+

+  /* Save a pointer to the screen info in the screen privates structure */

+  /* This allows us to get back to the screen info from a screen pointer */

+  pScreenPriv->pScreenInfo = pScreenInfo;

+

+  /*

+   * Determine which engine to use.

+   *

+   * NOTE: This is done once per screen because each screen possibly has

+   * a preferred engine specified on the command line.

+   */

+  if (!winSetEngine (pScreen))

+    {

+      ErrorF ("winScreenInit - winSetEngine () failed\n");

+      return FALSE;

+    }

+

+  /* Adjust the video mode for our engine type */

+  if (!(*pScreenPriv->pwinAdjustVideoMode) (pScreen))

+    {

+      ErrorF ("winScreenInit - winAdjustVideoMode () failed\n");

+      return FALSE;

+    }

+

+  /* Check for supported display depth */

+  if (!(WIN_SUPPORTED_BPPS & (1 << (pScreenInfo->dwBPP - 1))))

+    {

+      ErrorF ("winScreenInit - Unsupported display depth: %d\n" \

+	      "Change your Windows display depth to 15, 16, 24, or 32 bits "

+	      "per pixel.\n",

+	      (int) pScreenInfo->dwBPP);

+      ErrorF ("winScreenInit - Supported depths: %08x\n",

+	      WIN_SUPPORTED_BPPS);

+#if WIN_CHECK_DEPTH

+      return FALSE;

+#endif

+    }

+

+  /*

+   * Check that all monitors have the same display depth if we are using

+   * multiple monitors

+   */

+  if (pScreenInfo->fMultipleMonitors 

+      && !GetSystemMetrics (SM_SAMEDISPLAYFORMAT))

+    {

+      ErrorF ("winScreenInit - Monitors do not all have same pixel format / "

+	      "display depth.\n"

+	      "Using primary display only.\n");

+      pScreenInfo->fMultipleMonitors = FALSE;

+    }

+

+  /* Create display window */

+  if (!(*pScreenPriv->pwinCreateBoundingWindow) (pScreen))

+    {

+      ErrorF ("winScreenInit - pwinCreateBoundingWindow () "

+	      "failed\n");

+      return FALSE;

+    }

+

+  /* Get a device context */

+  hdc = GetDC (pScreenPriv->hwndScreen);

+

+  /* Store the initial height, width, and depth of the display */

+  /* Are we using multiple monitors? */

+  if (pScreenInfo->fMultipleMonitors)

+    {

+      pScreenPriv->dwLastWindowsWidth = GetSystemMetrics (SM_CXVIRTUALSCREEN);

+      pScreenPriv->dwLastWindowsHeight = GetSystemMetrics (SM_CYVIRTUALSCREEN);

+

+      /* 

+       * In this case, some of the defaults set in

+       * winInitializeScreenDefaults() are not correct ...

+       */

+      if (!pScreenInfo->fUserGaveHeightAndWidth)

+	{

+	  pScreenInfo->dwWidth = GetSystemMetrics (SM_CXVIRTUALSCREEN);

+	  pScreenInfo->dwHeight = GetSystemMetrics (SM_CYVIRTUALSCREEN);

+	  pScreenInfo->dwWidth_mm = (pScreenInfo->dwWidth /

+				     WIN_DEFAULT_DPI) * 25.4;

+	  pScreenInfo->dwHeight_mm = (pScreenInfo->dwHeight /

+				      WIN_DEFAULT_DPI) * 25.4;

+	}

+    }

+  else

+    {

+      pScreenPriv->dwLastWindowsWidth = GetSystemMetrics (SM_CXSCREEN);

+      pScreenPriv->dwLastWindowsHeight = GetSystemMetrics (SM_CYSCREEN);

+    }

+

+  /* Save the original bits per pixel */

+  pScreenPriv->dwLastWindowsBitsPixel = GetDeviceCaps (hdc, BITSPIXEL);

+

+  /* Release the device context */

+  ReleaseDC (pScreenPriv->hwndScreen, hdc);

+    

+  /* Clear the visuals list */

+  miClearVisualTypes ();

+  

+  /* Set the padded screen width */

+  pScreenInfo->dwPaddedWidth = PixmapBytePad (pScreenInfo->dwWidth,

+					      pScreenInfo->dwBPP);

+

+  /* Call the engine dependent screen initialization procedure */

+  if (!((*pScreenPriv->pwinFinishScreenInit) (index, pScreen, argc, argv)))

+    {

+      ErrorF ("winScreenInit - winFinishScreenInit () failed\n");

+      return FALSE;

+    }

+

+  if (!g_fSoftwareCursor)

+    winInitCursor(pScreen);

+  else

+    winErrorFVerb(2, "winScreenInit - Using software cursor\n");  

+

+  /*

+     Note the screen origin in a normalized coordinate space where (0,0) is at the top left

+     of the native virtual desktop area

+  */

+  pScreen->x = pScreenInfo->dwInitialX - GetSystemMetrics(SM_XVIRTUALSCREEN);

+  pScreen->y = pScreenInfo->dwInitialY - GetSystemMetrics(SM_YVIRTUALSCREEN);

+

+  ErrorF("Screen %d added at virtual desktop coordinate (%d,%d).\n",

+         index, pScreen->x, pScreen->y);

+

+#if CYGDEBUG || YES

+  winDebug ("winScreenInit - returning\n");

+#endif

+

+  return TRUE;

+}

+

+static Bool

+winCreateScreenResources(ScreenPtr pScreen)

+{

+  winScreenPriv(pScreen);

+  Bool result;

+

+  result = pScreenPriv->pwinCreateScreenResources(pScreen);

+

+  /* Now the screen bitmap has been wrapped in a pixmap,

+     add that to the Shadow framebuffer */

+  if (!shadowAdd(pScreen, pScreen->devPrivate,

+		 pScreenPriv->pwinShadowUpdate, NULL, 0, 0))

+    {

+      ErrorF ("winCreateScreenResources - shadowAdd () failed\n");

+      return FALSE;

+    }

+

+  return result;

+}

+

+/* See Porting Layer Definition - p. 20 */

+Bool

+winFinishScreenInitFB (int index,

+		       ScreenPtr pScreen,

+		       int argc, char **argv)

+{

+  winScreenPriv(pScreen);

+  winScreenInfo		*pScreenInfo = pScreenPriv->pScreenInfo;

+  VisualPtr		pVisual = NULL;

+  char			*pbits = NULL;

+#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)

+  int			iReturn;

+#endif

+

+  /* Create framebuffer */

+  if (!(*pScreenPriv->pwinAllocateFB) (pScreen))

+    {

+      ErrorF ("winFinishScreenInitFB - Could not allocate framebuffer\n");

+      return FALSE;

+    }

+

+  /*

+   * Grab the number of bits that are used to represent color in each pixel.

+   */

+  if (pScreenInfo->dwBPP == 8)

+    pScreenInfo->dwDepth = 8;

+  else

+    pScreenInfo->dwDepth = winCountBits (pScreenPriv->dwRedMask)

+      + winCountBits (pScreenPriv->dwGreenMask)

+      + winCountBits (pScreenPriv->dwBlueMask);

+  

+  winErrorFVerb (2, "winFinishScreenInitFB - Masks: %08x %08x %08x\n",

+	  (unsigned int) pScreenPriv->dwRedMask,

+	  (unsigned int) pScreenPriv->dwGreenMask,

+	  (unsigned int) pScreenPriv->dwBlueMask);

+

+  /* Init visuals */

+  if (!(*pScreenPriv->pwinInitVisuals) (pScreen))

+    {

+      ErrorF ("winFinishScreenInitFB - winInitVisuals failed\n");

+      return FALSE;

+    }

+

+  /* Setup a local variable to point to the framebuffer */

+  pbits = pScreenInfo->pfb;

+  

+  /* Apparently we need this for the render extension */

+  miSetPixmapDepths ();

+

+  /* Start fb initialization */

+  if (!fbSetupScreen (pScreen,

+		      pScreenInfo->pfb,

+		      pScreenInfo->dwWidth, pScreenInfo->dwHeight,

+		      monitorResolution, monitorResolution,

+		      pScreenInfo->dwStride,

+		      pScreenInfo->dwBPP))

+    {

+      ErrorF ("winFinishScreenInitFB - fbSetupScreen failed\n");

+      return FALSE;

+    }

+

+  /* Override default colormap routines if visual class is dynamic */

+  if (pScreenInfo->dwDepth == 8

+      && (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI

+	  || (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL

+	      && pScreenInfo->fFullScreen)

+	  || (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DD

+	      && pScreenInfo->fFullScreen)))

+    {

+      winSetColormapFunctions (pScreen);

+

+      /*

+       * NOTE: Setting whitePixel to 255 causes Magic 7.1 to allocate its

+       * own colormap, as it cannot allocate 7 planes in the default

+       * colormap.  Setting whitePixel to 1 allows Magic to get 7

+       * planes in the default colormap, so it doesn't create its

+       * own colormap.  This latter situation is highly desireable,

+       * as it keeps the Magic window viewable when switching to

+       * other X clients that use the default colormap.

+       */

+      pScreen->blackPixel = 0;

+      pScreen->whitePixel = 1;

+    }

+

+  /* Place our save screen function */

+  pScreen->SaveScreen = winSaveScreen;

+

+  /* Finish fb initialization */

+  if (!fbFinishScreenInit (pScreen,

+			   pScreenInfo->pfb,

+			   pScreenInfo->dwWidth, pScreenInfo->dwHeight,

+			   monitorResolution, monitorResolution,

+			   pScreenInfo->dwStride,

+			   pScreenInfo->dwBPP))

+    {

+      ErrorF ("winFinishScreenInitFB - fbFinishScreenInit failed\n");

+      return FALSE;

+    }

+

+  /* Save a pointer to the root visual */

+  for (pVisual = pScreen->visuals;

+       pVisual->vid != pScreen->rootVisual;

+       pVisual++);

+  pScreenPriv->pRootVisual = pVisual;

+

+  /* 

+   * Setup points to the block and wakeup handlers.  Pass a pointer

+   * to the current screen as pWakeupdata.

+   */

+  pScreen->BlockHandler = winBlockHandler;

+  pScreen->WakeupHandler = winWakeupHandler;

+  pScreen->blockData = pScreen;

+  pScreen->wakeupData = pScreen;

+

+  /* Render extension initialization, calls miPictureInit */

+  if (!fbPictureInit (pScreen, NULL, 0))

+    {

+      ErrorF ("winFinishScreenInitFB - fbPictureInit () failed\n");

+      return FALSE;

+    }

+

+#ifdef RANDR

+  /* Initialize resize and rotate support */

+  if (!winRandRInit (pScreen))

+    {

+      ErrorF ("winFinishScreenInitFB - winRandRInit () failed\n");

+      return FALSE;

+    }

+#endif

+

+  /*

+   * Backing store support should reduce network traffic and increase

+   * performance.

+   */

+  miInitializeBackingStore (pScreen);

+

+  /* KDrive does miDCInitialize right after miInitializeBackingStore */

+  /* Setup the cursor routines */

+#if CYGDEBUG

+  winDebug ("winFinishScreenInitFB - Calling miDCInitialize ()\n");

+#endif

+  miDCInitialize (pScreen, &g_winPointerCursorFuncs);

+

+  /* KDrive does winCreateDefColormap right after miDCInitialize */

+  /* Create a default colormap */

+#if CYGDEBUG

+  winDebug ("winFinishScreenInitFB - Calling winCreateDefColormap ()\n");

+#endif

+  if (!winCreateDefColormap (pScreen))

+    {

+      ErrorF ("winFinishScreenInitFB - Could not create colormap\n");

+      return FALSE;

+    }

+

+  /* Initialize the shadow framebuffer layer */

+  if ((pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI

+       || pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DD

+       || pScreenInfo->dwEngine == WIN_SERVER_SHADOW_DDNL)

+#ifdef XWIN_MULTIWINDOWEXTWM

+      && !pScreenInfo->fMWExtWM

+#endif

+      )

+    {

+#if CYGDEBUG

+      winDebug ("winFinishScreenInitFB - Calling shadowSetup ()\n");

+#endif

+      if (!shadowSetup(pScreen))

+	{

+	  ErrorF ("winFinishScreenInitFB - shadowSetup () failed\n");

+	  return FALSE;

+	}

+

+      /* Wrap CreateScreenResources so we can add the screen pixmap

+         to the Shadow framebuffer after it's been created */

+      pScreenPriv->pwinCreateScreenResources = pScreen->CreateScreenResources;

+      pScreen->CreateScreenResources = winCreateScreenResources;

+    }

+

+#ifdef XWIN_MULTIWINDOWEXTWM

+  /* Handle multi-window external window manager mode */

+  if (pScreenInfo->fMWExtWM)

+    {

+      winDebug ("winScreenInit - MultiWindowExtWM - Calling RootlessInit\n");

+      

+      RootlessInit(pScreen, &winMWExtWMProcs);

+      

+      winDebug ("winScreenInit - MultiWindowExtWM - RootlessInit returned\n");

+      

+      rootless_CopyBytes_threshold = 0;

+      rootless_FillBytes_threshold = 0;

+      rootless_CompositePixels_threshold = 0;

+      /* FIXME: How many? Profiling needed? */

+      rootless_CopyWindow_threshold = 1;

+

+      winWindowsWMExtensionInit ();

+    }

+#endif

+

+  /* Handle rootless mode */

+  if (pScreenInfo->fRootless)

+    {

+      /* Define the WRAP macro temporarily for local use */

+#define WRAP(a) \

+    if (pScreen->a) { \

+        pScreenPriv->a = pScreen->a; \

+    } else { \

+        ErrorF("null screen fn " #a "\n"); \

+        pScreenPriv->a = NULL; \

+    }

+

+      /* Save a pointer to each lower-level window procedure */

+      WRAP(CreateWindow);

+      WRAP(DestroyWindow);

+      WRAP(RealizeWindow);

+      WRAP(UnrealizeWindow);

+      WRAP(PositionWindow);

+      WRAP(ChangeWindowAttributes);

+      WRAP(SetShape);

+

+      /* Assign rootless window procedures to be top level procedures */

+      pScreen->CreateWindow = winCreateWindowRootless;

+      pScreen->DestroyWindow = winDestroyWindowRootless;

+      pScreen->PositionWindow = winPositionWindowRootless;

+      /*pScreen->ChangeWindowAttributes = winChangeWindowAttributesRootless;*/

+      pScreen->RealizeWindow = winMapWindowRootless;

+      pScreen->UnrealizeWindow = winUnmapWindowRootless;

+      pScreen->SetShape = winSetShapeRootless;

+

+      /* Undefine the WRAP macro, as it is not needed elsewhere */

+#undef WRAP

+    }

+

+

+#ifdef XWIN_MULTIWINDOW

+  /* Handle multi window mode */

+  else if (pScreenInfo->fMultiWindow)

+    {

+      /* Define the WRAP macro temporarily for local use */

+#define WRAP(a) \

+    if (pScreen->a) { \

+        pScreenPriv->a = pScreen->a; \

+    } else { \

+        ErrorF("null screen fn " #a "\n"); \

+        pScreenPriv->a = NULL; \

+    }

+

+      /* Save a pointer to each lower-level window procedure */

+      WRAP(CreateWindow);

+      WRAP(DestroyWindow);

+      WRAP(RealizeWindow);

+      WRAP(UnrealizeWindow);

+      WRAP(PositionWindow);

+      WRAP(ChangeWindowAttributes);

+      WRAP(ReparentWindow);

+      WRAP(RestackWindow);

+      WRAP(ResizeWindow);

+      WRAP(MoveWindow);

+      WRAP(CopyWindow);

+      WRAP(SetShape);

+

+      /* Assign multi-window window procedures to be top level procedures */

+      pScreen->CreateWindow = winCreateWindowMultiWindow;

+      pScreen->DestroyWindow = winDestroyWindowMultiWindow;

+      pScreen->PositionWindow = winPositionWindowMultiWindow;

+      /*pScreen->ChangeWindowAttributes = winChangeWindowAttributesMultiWindow;*/

+      pScreen->RealizeWindow = winMapWindowMultiWindow;

+      pScreen->UnrealizeWindow = winUnmapWindowMultiWindow;

+      pScreen->ReparentWindow = winReparentWindowMultiWindow;

+      pScreen->RestackWindow = winRestackWindowMultiWindow;

+      pScreen->ResizeWindow = winResizeWindowMultiWindow;

+      pScreen->MoveWindow = winMoveWindowMultiWindow;

+      pScreen->CopyWindow = winCopyWindowMultiWindow;

+      pScreen->SetShape = winSetShapeMultiWindow;

+

+      /* Undefine the WRAP macro, as it is not needed elsewhere */

+#undef WRAP

+    }

+#endif

+

+  /* Wrap either fb's or shadow's CloseScreen with our CloseScreen */

+  pScreenPriv->CloseScreen = pScreen->CloseScreen;

+  pScreen->CloseScreen = pScreenPriv->pwinCloseScreen;

+

+#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)

+  /* Create a mutex for modules in separate threads to wait for */

+  iReturn = pthread_mutex_init (&pScreenPriv->pmServerStarted, NULL);

+  if (iReturn != 0)

+    {

+      ErrorF ("winFinishScreenInitFB - pthread_mutex_init () failed: %d\n",

+	      iReturn);

+      return FALSE;

+    }

+

+  /* Own the mutex for modules in separate threads */

+  iReturn = pthread_mutex_lock (&pScreenPriv->pmServerStarted);

+  if (iReturn != 0)

+    {

+      ErrorF ("winFinishScreenInitFB - pthread_mutex_lock () failed: %d\n",

+	      iReturn);

+      return FALSE;

+    }

+

+  /* Set the ServerStarted flag to false */

+  pScreenPriv->fServerStarted = FALSE;

+#endif

+

+#ifdef XWIN_MULTIWINDOWEXTWM

+  pScreenPriv->fRestacking = FALSE;

+#endif

+

+#if defined(XWIN_MULTIWINDOW) || defined(XWIN_MULTIWINDOWEXTWM)

+  if (FALSE

+#ifdef XWIN_MULTIWINDOW

+      || pScreenInfo->fMultiWindow

+#endif

+#ifdef XWIN_MULTIWINDOWEXTWM

+      || pScreenInfo->fInternalWM

+#endif

+      )

+    { 

+#if CYGDEBUG || YES

+      winDebug ("winFinishScreenInitFB - Calling winInitWM.\n");

+#endif

+

+      /* Initialize multi window mode */

+      if (!winInitWM (&pScreenPriv->pWMInfo,

+		      &pScreenPriv->ptWMProc,

+		      &pScreenPriv->ptXMsgProc,

+		      &pScreenPriv->pmServerStarted,

+		      pScreenInfo->dwScreen,

+		      (HWND)&pScreenPriv->hwndScreen,

+#ifdef XWIN_MULTIWINDOWEXTWM

+		      pScreenInfo->fInternalWM ||

+#endif

+		      FALSE))

+        {

+          ErrorF ("winFinishScreenInitFB - winInitWM () failed.\n");

+          return FALSE;

+        }

+    }      

+#endif

+

+  /* Tell the server that we are enabled */

+  pScreenPriv->fEnabled = TRUE;

+

+  /* Tell the server that we have a valid depth */

+  pScreenPriv->fBadDepth = FALSE;

+

+#if CYGDEBUG || YES

+  winDebug ("winFinishScreenInitFB - returning\n");

+#endif

+

+  return TRUE;

+}

+

+#ifdef XWIN_NATIVEGDI

+/* See Porting Layer Definition - p. 20 */

+

+Bool

+winFinishScreenInitNativeGDI (int index,

+			      ScreenPtr pScreen,

+			      int argc, char **argv)

+{

+  winScreenPriv(pScreen);

+  winScreenInfoPtr      pScreenInfo = &g_ScreenInfo[index];

+  VisualPtr		pVisuals = NULL;

+  DepthPtr		pDepths = NULL;

+  VisualID		rootVisual = 0;

+  int			nVisuals = 0, nDepths = 0, nRootDepth = 0;

+

+  /* Ignore user input (mouse, keyboard) */

+  pScreenInfo->fIgnoreInput = FALSE;

+

+  /* Get device contexts for the screen and shadow bitmap */

+  pScreenPriv->hdcScreen = GetDC (pScreenPriv->hwndScreen);

+  if (pScreenPriv->hdcScreen == NULL)

+    FatalError ("winFinishScreenInitNativeGDI - Couldn't get a DC\n");

+

+  /* Init visuals */

+  if (!(*pScreenPriv->pwinInitVisuals) (pScreen))

+    {

+      ErrorF ("winFinishScreenInitNativeGDI - pwinInitVisuals failed\n");

+      return FALSE;

+    }

+

+  /* Initialize the mi visuals */

+  if (!miInitVisuals (&pVisuals, &pDepths, &nVisuals, &nDepths, &nRootDepth,

+		      &rootVisual,

+		      ((unsigned long)1 << (pScreenInfo->dwDepth - 1)), 8,

+		      TrueColor))

+    {

+      ErrorF ("winFinishScreenInitNativeGDI - miInitVisuals () failed\n");

+      return FALSE;

+    }

+

+  /* Initialize the CloseScreen procedure pointer */

+  pScreen->CloseScreen = NULL;

+

+  /* Initialize the mi code */

+  if (!miScreenInit (pScreen,

+		     NULL, /* No framebuffer */

+		     pScreenInfo->dwWidth, pScreenInfo->dwHeight,

+		     monitorResolution, monitorResolution,

+		     pScreenInfo->dwStride,

+		     nRootDepth, nDepths, pDepths, rootVisual,

+		     nVisuals, pVisuals))

+    {

+      ErrorF ("winFinishScreenInitNativeGDI - miScreenInit failed\n");

+      return FALSE;

+    }

+

+  pScreen->defColormap = FakeClientID(0);

+

+  /*

+   * Register our block and wakeup handlers; these procedures

+   * process messages in our Windows message queue; specifically,

+   * they process mouse and keyboard input.

+   */

+  pScreen->BlockHandler = winBlockHandler;

+  pScreen->WakeupHandler = winWakeupHandler;

+  pScreen->blockData = pScreen;

+  pScreen->wakeupData = pScreen;

+

+  /* Place our save screen function */

+  pScreen->SaveScreen = winSaveScreen;

+

+  /* Pixmaps */

+  pScreen->CreatePixmap = winCreatePixmapNativeGDI;

+  pScreen->DestroyPixmap = winDestroyPixmapNativeGDI;

+

+  /* Other Screen Routines */

+  pScreen->QueryBestSize = winQueryBestSizeNativeGDI;

+  pScreen->SaveScreen = winSaveScreen;  

+  pScreen->GetImage = miGetImage;

+  pScreen->GetSpans = winGetSpansNativeGDI;

+

+  /* Window Procedures */

+  pScreen->CreateWindow = winCreateWindowNativeGDI;

+  pScreen->DestroyWindow = winDestroyWindowNativeGDI;

+  pScreen->PositionWindow = winPositionWindowNativeGDI;

+  /*pScreen->ChangeWindowAttributes = winChangeWindowAttributesNativeGDI;*/

+  pScreen->RealizeWindow = winMapWindowNativeGDI;

+  pScreen->UnrealizeWindow = winUnmapWindowNativeGDI;

+

+  /* Paint window */

+  pScreen->CopyWindow = winCopyWindowNativeGDI;

+

+  /* Fonts */

+  pScreen->RealizeFont = winRealizeFontNativeGDI;

+  pScreen->UnrealizeFont = winUnrealizeFontNativeGDI;

+

+  /* GC */

+  pScreen->CreateGC = winCreateGCNativeGDI;

+

+  /* Colormap Routines */

+  pScreen->CreateColormap = miInitializeColormap;

+  pScreen->DestroyColormap = (DestroyColormapProcPtr) (void (*)(void)) NoopDDA;

+  pScreen->InstallColormap = miInstallColormap;

+  pScreen->UninstallColormap = miUninstallColormap;

+  pScreen->ListInstalledColormaps = miListInstalledColormaps;

+  pScreen->StoreColors = (StoreColorsProcPtr) (void (*)(void)) NoopDDA;

+  pScreen->ResolveColor = miResolveColor;

+

+  /* Bitmap */

+  pScreen->BitmapToRegion = winPixmapToRegionNativeGDI;

+

+  ErrorF ("winFinishScreenInitNativeGDI - calling miDCInitialize\n");

+

+  /* Set the default white and black pixel positions */

+  pScreen->whitePixel = pScreen->blackPixel = (Pixel) 0;

+

+  /* Initialize the cursor */

+  if (!miDCInitialize (pScreen, &g_winPointerCursorFuncs))

+    {

+      ErrorF ("winFinishScreenInitNativeGDI - miDCInitialize failed\n");

+      return FALSE;

+    }

+  

+  /* Create a default colormap */

+  if (!miCreateDefColormap (pScreen))

+    {

+        ErrorF ("winFinishScreenInitNativeGDI - miCreateDefColormap () "

+		"failed\n");

+	return FALSE;

+    }

+

+  ErrorF ("winFinishScreenInitNativeGDI - miCreateDefColormap () "

+	  "returned\n");

+  

+  /* mi doesn't use a CloseScreen procedure, so no need to wrap */

+  pScreen->CloseScreen = pScreenPriv->pwinCloseScreen;

+

+  /* Tell the server that we are enabled */

+  pScreenPriv->fEnabled = TRUE;

+

+  ErrorF ("winFinishScreenInitNativeGDI - Successful addition of "

+	  "screen %08x\n",

+	  (unsigned int) pScreen);

+

+  return TRUE;

+}

+#endif

+

+

+/* See Porting Layer Definition - p. 33 */

+static Bool

+winSaveScreen (ScreenPtr pScreen, int on)

+{

+  return TRUE;

+}