git update 22/4/2010

1 files changed, 788 insertions, 790 deletions

diff --git a/xorg-server/hw/xwin/winscrinit.c b/xorg-server/hw/xwin/winscrinit.c
index a9cc47df2..953548ec7 100644
--- a/xorg-server/hw/xwin/winscrinit.c
+++ b/xorg-server/hw/xwin/winscrinit.c
@@ -1,790 +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

-       * winInitializeDefaultScreens () 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;

-

-#ifdef RENDER

-  /* Render extension initialization, calls miPictureInit */

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

-    {

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

-      return FALSE;

-    }

-#endif

-

-#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
+       * winInitializeDefaultScreens () 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;
+}