svn merge -r588:HEAD ^/branches/released .

1 files changed, 459 insertions, 459 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86RandR.c b/xorg-server/hw/xfree86/common/xf86RandR.c
index 86c7bde79..1893974e2 100644
--- a/xorg-server/hw/xfree86/common/xf86RandR.c
+++ b/xorg-server/hw/xfree86/common/xf86RandR.c
@@ -1,459 +1,459 @@
-/*
- *
- * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Keith Packard makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include "os.h"
-#include "globals.h"
-#include "xf86.h"
-#include "xf86str.h"
-#include "xf86Priv.h"
-#include "xf86DDC.h"
-#include "mipointer.h"
-#include <randrstr.h>
-#include "inputstr.h"
-
-typedef struct _xf86RandRInfo {
-    CreateScreenResourcesProcPtr    CreateScreenResources;
-    CloseScreenProcPtr		    CloseScreen;
-    int				    virtualX;
-    int				    virtualY;
-    int				    mmWidth;
-    int				    mmHeight;
-    Rotation			    rotation;
-} XF86RandRInfoRec, *XF86RandRInfoPtr;
-
-static int xf86RandRKeyIndex;
-static DevPrivateKey xf86RandRKey;
-
-#define XF86RANDRINFO(p) ((XF86RandRInfoPtr)dixLookupPrivate(&(p)->devPrivates, xf86RandRKey))
-
-static int
-xf86RandRModeRefresh (DisplayModePtr mode)
-{
-    if (mode->VRefresh)
-	return (int) (mode->VRefresh + 0.5);
-    else if (mode->Clock == 0)
-	return 0;
-    else
-	return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);
-}
-
-static Bool
-xf86RandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
-{
-    RRScreenSizePtr	    pSize;
-    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);
-    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);
-    DisplayModePtr	    mode;
-    int			    refresh0 = 60;
-    xorgRRModeMM	    RRModeMM;
-
-    *rotations = RR_Rotate_0;
-
-    for (mode = scrp->modes; mode != NULL ; mode = mode->next)
-    {
-	int refresh = xf86RandRModeRefresh (mode);
-
-	if (mode == scrp->modes)
-	    refresh0 = refresh;
-
-	RRModeMM.mode = mode;
-	RRModeMM.virtX = randrp->virtualX;
-	RRModeMM.virtY = randrp->virtualY;
-	RRModeMM.mmWidth = randrp->mmWidth;
-	RRModeMM.mmHeight = randrp->mmHeight;
-
-	if(scrp->DriverFunc) {
-	   (*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);
-	}
-
-	pSize = RRRegisterSize (pScreen,
-				mode->HDisplay, mode->VDisplay,
-				RRModeMM.mmWidth, RRModeMM.mmHeight);
-	if (!pSize)
-	    return FALSE;
-	RRRegisterRate (pScreen, pSize, refresh);
-	if (mode == scrp->currentMode &&
-	    mode->HDisplay == scrp->virtualX && mode->VDisplay == scrp->virtualY)
-	    RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize);
-	if (mode->next == scrp->modes)
-	    break;
-    }
-    if (scrp->currentMode->HDisplay != randrp->virtualX ||
-	scrp->currentMode->VDisplay != randrp->virtualY)
-    {
-	mode = scrp->modes;
-
-	RRModeMM.mode = NULL;
-	RRModeMM.virtX = randrp->virtualX;
-	RRModeMM.virtY = randrp->virtualY;
-	RRModeMM.mmWidth = randrp->mmWidth;
-	RRModeMM.mmHeight = randrp->mmHeight;
-
-	if(scrp->DriverFunc) {
-	   (*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);
-	}
-
-	pSize = RRRegisterSize (pScreen,
-				randrp->virtualX, randrp->virtualY,
-				RRModeMM.mmWidth, RRModeMM.mmHeight);
-	if (!pSize)
-	    return FALSE;
-	RRRegisterRate (pScreen, pSize, refresh0);
-	if (scrp->virtualX == randrp->virtualX &&
-	    scrp->virtualY == randrp->virtualY)
-	{
-	    RRSetCurrentConfig (pScreen, randrp->rotation, refresh0, pSize);
-	}
-    }
-
-    /* If there is driver support for randr, let it set our supported rotations */
-    if(scrp->DriverFunc) {
-	xorgRRRotation RRRotation;
-
-	RRRotation.RRRotations = *rotations;
-	if (!(*scrp->DriverFunc)(scrp, RR_GET_INFO, &RRRotation))
-	    return TRUE;
-	*rotations = RRRotation.RRRotations;
-    }
-
-    return TRUE;
-}
-
-static Bool
-xf86RandRSetMode (ScreenPtr	    pScreen,
-		  DisplayModePtr    mode,
-		  Bool		    useVirtual,
-		  int		    mmWidth,
-		  int		    mmHeight)
-{
-    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);
-    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);
-    int			oldWidth = pScreen->width;
-    int			oldHeight = pScreen->height;
-    int			oldmmWidth = pScreen->mmWidth;
-    int			oldmmHeight = pScreen->mmHeight;
-    int			oldVirtualX = scrp->virtualX;
-    int			oldVirtualY = scrp->virtualY;
-    WindowPtr		pRoot = WindowTable[pScreen->myNum];
-    Bool		ret = TRUE;
-
-    if (pRoot && scrp->vtSema)
-	(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);
-    if (useVirtual)
-    {
-	scrp->virtualX = randrp->virtualX;
-	scrp->virtualY = randrp->virtualY;
-    }
-    else
-    {
-	scrp->virtualX = mode->HDisplay;
-	scrp->virtualY = mode->VDisplay;
-    }
-
-    /*
-     * The DIX forgets the physical dimensions we passed into RRRegisterSize, so
-     * reconstruct them if possible.
-     */
-    if(scrp->DriverFunc) {
-	xorgRRModeMM RRModeMM;
-
-	RRModeMM.mode = mode;
-	RRModeMM.virtX = scrp->virtualX;
-	RRModeMM.virtY = scrp->virtualY;
-	RRModeMM.mmWidth = mmWidth;
-	RRModeMM.mmHeight = mmHeight;
-
-	(*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);
-
-	mmWidth = RRModeMM.mmWidth;
-	mmHeight = RRModeMM.mmHeight;
-    }
-    if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))
-    {
-	/* If the screen is rotated 90 or 270 degrees, swap the sizes. */
-	pScreen->width = scrp->virtualY;
-	pScreen->height = scrp->virtualX;
-	pScreen->mmWidth = mmHeight;
-	pScreen->mmHeight = mmWidth;
-    }
-    else
-    {
-	pScreen->width = scrp->virtualX;
-	pScreen->height = scrp->virtualY;
-	pScreen->mmWidth = mmWidth;
-	pScreen->mmHeight = mmHeight;
-    }
-    if (!xf86SwitchMode (pScreen, mode))
-    {
-	pScreen->width = oldWidth;
-	pScreen->height = oldHeight;
-	pScreen->mmWidth = oldmmWidth;
-	pScreen->mmHeight = oldmmHeight;
-	scrp->virtualX = oldVirtualX;
-	scrp->virtualY = oldVirtualY;
-	ret = FALSE;
-    }
-    /*
-     * Make sure the layout is correct
-     */
-    xf86ReconfigureLayout();
-
-    /*
-     * Make sure the whole screen is visible
-     */
-    xf86SetViewport (pScreen, pScreen->width, pScreen->height);
-    xf86SetViewport (pScreen, 0, 0);
-    if (pRoot && scrp->vtSema)
-	(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);
-    return ret;
-}
-
-static Bool
-xf86RandRSetConfig (ScreenPtr		pScreen,
-		    Rotation		rotation,
-		    int			rate,
-		    RRScreenSizePtr	pSize)
-{
-    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);
-    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);
-    DisplayModePtr	    mode;
-    int			    px, py;
-    Bool		    useVirtual = FALSE;
-    Rotation		    oldRotation = randrp->rotation;
-
-    miPointerGetPosition(inputInfo.pointer, &px, &py);
-    for (mode = scrp->modes; ; mode = mode->next)
-    {
-	if (mode->HDisplay == pSize->width &&
-	    mode->VDisplay == pSize->height &&
-	    (rate == 0 || xf86RandRModeRefresh (mode) == rate))
-	    break;
-	if (mode->next == scrp->modes)
-	{
-	    if (pSize->width == randrp->virtualX &&
-		pSize->height == randrp->virtualY)
-	    {
-		mode = scrp->modes;
-		useVirtual = TRUE;
-		break;
-	    }
-	    return FALSE;
-	}
-    }
-
-    if (randrp->rotation != rotation) {
-
-        /* Have the driver do its thing. */
-	if (scrp->DriverFunc) {
-	    xorgRRRotation RRRotation;
-	    RRRotation.RRConfig.rotation = rotation;
-	    RRRotation.RRConfig.rate = rate;
-	    RRRotation.RRConfig.width = pSize->width;
-	    RRRotation.RRConfig.height = pSize->height;
-
-	    /*
-	     * Currently we need to rely on HW support for rotation.
-	     */
-	    if (!(*scrp->DriverFunc)(scrp, RR_SET_CONFIG, &RRRotation))
-		return FALSE;
-	} else
-	    return FALSE;
-
-	randrp->rotation = rotation;
-    }
-
-    if (!xf86RandRSetMode (pScreen, mode, useVirtual, pSize->mmWidth, pSize->mmHeight)) {
-	if(randrp->rotation != oldRotation) {
-	   /* Have the driver undo its thing. */
-	   if (scrp->DriverFunc) {
-	       xorgRRRotation RRRotation;
-	       RRRotation.RRConfig.rotation = oldRotation;
-	       RRRotation.RRConfig.rate = xf86RandRModeRefresh (scrp->currentMode);
-	       RRRotation.RRConfig.width = scrp->virtualX;
-	       RRRotation.RRConfig.height = scrp->virtualY;
-	       (*scrp->DriverFunc)(scrp, RR_SET_CONFIG, &RRRotation);
-	   }
-
-	   randrp->rotation = oldRotation;
-	}
-	return FALSE;
-    }
-    /*
-     * Move the cursor back where it belongs; SwitchMode repositions it
-     */
-    if (pScreen == miPointerCurrentScreen ())
-    {
-	px = (px >= pScreen->width ? (pScreen->width - 1) : px);
-	py = (py >= pScreen->height ? (pScreen->height - 1) : py);
-
-        xf86SetViewport(pScreen, px, py);
-
-        (*pScreen->SetCursorPosition) (inputInfo.pointer, pScreen, px, py, FALSE);
-    }
-
-    return TRUE;
-}
-
-/*
- * Wait until the screen is initialized before whacking the
- * sizes around; otherwise the screen pixmap will be allocated
- * at the current mode size rather than the maximum size
- */
-static Bool
-xf86RandRCreateScreenResources (ScreenPtr pScreen)
-{
-    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);
-#if 0
-    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);
-    DisplayModePtr	    mode;
-#endif
-
-    pScreen->CreateScreenResources = randrp->CreateScreenResources;
-    if (!(*pScreen->CreateScreenResources) (pScreen))
-	return FALSE;
-
-#if 0
-    mode = scrp->currentMode;
-    if (mode)
-	xf86RandRSetMode (pScreen, mode, TRUE);
-#endif
-
-    return TRUE;
-}
-
-/*
- * Reset size back to original
- */
-static Bool
-xf86RandRCloseScreen (int index, ScreenPtr pScreen)
-{
-    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);
-    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);
-
-    scrp->virtualX = pScreen->width = randrp->virtualX;
-    scrp->virtualY = pScreen->height = randrp->virtualY;
-    scrp->currentMode = scrp->modes;
-    pScreen->CloseScreen = randrp->CloseScreen;
-    xfree (randrp);
-    dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, NULL);
-    return (*pScreen->CloseScreen) (index, pScreen);
-}
-
-Rotation
-xf86GetRotation(ScreenPtr pScreen)
-{
-    if (xf86RandRKey == NULL)
-       return RR_Rotate_0;
-
-    return XF86RANDRINFO(pScreen)->rotation;
-}
-
-/* Function to change RandR's idea of the virtual screen size */
-Bool
-xf86RandRSetNewVirtualAndDimensions(ScreenPtr pScreen,
-	int newvirtX, int newvirtY, int newmmWidth, int newmmHeight,
-	Bool resetMode)
-{
-    XF86RandRInfoPtr randrp;
-
-    if (xf86RandRKey == NULL)
-	return FALSE;
-
-    randrp = XF86RANDRINFO(pScreen);
-    if (randrp == NULL)
-	return FALSE;
-
-    if (newvirtX > 0)
-	randrp->virtualX = newvirtX;
-
-    if (newvirtY > 0)
-	randrp->virtualY = newvirtY;
-
-    if (newmmWidth > 0)
-	randrp->mmWidth = newmmWidth;
-
-    if (newmmHeight > 0)
-	randrp->mmHeight = newmmHeight;
-
-    /* This is only for during server start */
-    if (resetMode) {
-	return (xf86RandRSetMode(pScreen,
-		  XF86SCRNINFO(pScreen)->currentMode,
-		  TRUE,
-		  pScreen->mmWidth, pScreen->mmHeight));
-    }
-
-    return TRUE;
-}
-
-Bool
-xf86RandRInit (ScreenPtr    pScreen)
-{
-    rrScrPrivPtr	rp;
-    XF86RandRInfoPtr	randrp;
-    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);
-
-#ifdef PANORAMIX
-    /* XXX disable RandR when using Xinerama */
-    if (!noPanoramiXExtension)
-	return TRUE;
-#endif
-
-    xf86RandRKey = &xf86RandRKeyIndex;
-
-    randrp = xalloc (sizeof (XF86RandRInfoRec));
-    if (!randrp)
-	return FALSE;
-
-    if (!RRScreenInit (pScreen))
-    {
-	xfree (randrp);
-	return FALSE;
-    }
-    rp = rrGetScrPriv(pScreen);
-    rp->rrGetInfo = xf86RandRGetInfo;
-    rp->rrSetConfig = xf86RandRSetConfig;
-
-    randrp->virtualX = scrp->virtualX;
-    randrp->virtualY = scrp->virtualY;
-    randrp->mmWidth = pScreen->mmWidth;
-    randrp->mmHeight = pScreen->mmHeight;
-
-    randrp->CreateScreenResources = pScreen->CreateScreenResources;
-    pScreen->CreateScreenResources = xf86RandRCreateScreenResources;
-
-    randrp->CloseScreen = pScreen->CloseScreen;
-    pScreen->CloseScreen = xf86RandRCloseScreen;
-
-    randrp->rotation = RR_Rotate_0;
-
-    dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, randrp);
-    return TRUE;
-}
-
-
+/*

+ *

+ * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.

+ *

+ * Permission to use, copy, modify, distribute, and sell this software and its

+ * documentation for any purpose is hereby granted without fee, provided that

+ * the above copyright notice appear in all copies and that both that

+ * copyright notice and this permission notice appear in supporting

+ * documentation, and that the name of Keith Packard not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission.  Keith Packard makes no

+ * representations about the suitability of this software for any purpose.  It

+ * is provided "as is" without express or implied warranty.

+ *

+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR

+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,

+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

+ * PERFORMANCE OF THIS SOFTWARE.

+ */

+

+#ifdef HAVE_XORG_CONFIG_H

+#include <xorg-config.h>

+#endif

+

+#include <X11/X.h>

+#include "os.h"

+#include "globals.h"

+#include "xf86.h"

+#include "xf86str.h"

+#include "xf86Priv.h"

+#include "xf86DDC.h"

+#include "mipointer.h"

+#include <randrstr.h>

+#include "inputstr.h"

+

+typedef struct _xf86RandRInfo {

+    CreateScreenResourcesProcPtr    CreateScreenResources;

+    CloseScreenProcPtr		    CloseScreen;

+    int				    virtualX;

+    int				    virtualY;

+    int				    mmWidth;

+    int				    mmHeight;

+    Rotation			    rotation;

+} XF86RandRInfoRec, *XF86RandRInfoPtr;

+

+static int xf86RandRKeyIndex;

+static DevPrivateKey xf86RandRKey;

+

+#define XF86RANDRINFO(p) ((XF86RandRInfoPtr)dixLookupPrivate(&(p)->devPrivates, xf86RandRKey))

+

+static int

+xf86RandRModeRefresh (DisplayModePtr mode)

+{

+    if (mode->VRefresh)

+	return (int) (mode->VRefresh + 0.5);

+    else if (mode->Clock == 0)

+	return 0;

+    else

+	return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);

+}

+

+static Bool

+xf86RandRGetInfo (ScreenPtr pScreen, Rotation *rotations)

+{

+    RRScreenSizePtr	    pSize;

+    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);

+    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);

+    DisplayModePtr	    mode;

+    int			    refresh0 = 60;

+    xorgRRModeMM	    RRModeMM;

+

+    *rotations = RR_Rotate_0;

+

+    for (mode = scrp->modes; mode != NULL ; mode = mode->next)

+    {

+	int refresh = xf86RandRModeRefresh (mode);

+

+	if (mode == scrp->modes)

+	    refresh0 = refresh;

+

+	RRModeMM.mode = mode;

+	RRModeMM.virtX = randrp->virtualX;

+	RRModeMM.virtY = randrp->virtualY;

+	RRModeMM.mmWidth = randrp->mmWidth;

+	RRModeMM.mmHeight = randrp->mmHeight;

+

+	if(scrp->DriverFunc) {

+	   (*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);

+	}

+

+	pSize = RRRegisterSize (pScreen,

+				mode->HDisplay, mode->VDisplay,

+				RRModeMM.mmWidth, RRModeMM.mmHeight);

+	if (!pSize)

+	    return FALSE;

+	RRRegisterRate (pScreen, pSize, refresh);

+	if (mode == scrp->currentMode &&

+	    mode->HDisplay == scrp->virtualX && mode->VDisplay == scrp->virtualY)

+	    RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize);

+	if (mode->next == scrp->modes)

+	    break;

+    }

+    if (scrp->currentMode->HDisplay != randrp->virtualX ||

+	scrp->currentMode->VDisplay != randrp->virtualY)

+    {

+	mode = scrp->modes;

+

+	RRModeMM.mode = NULL;

+	RRModeMM.virtX = randrp->virtualX;

+	RRModeMM.virtY = randrp->virtualY;

+	RRModeMM.mmWidth = randrp->mmWidth;

+	RRModeMM.mmHeight = randrp->mmHeight;

+

+	if(scrp->DriverFunc) {

+	   (*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);

+	}

+

+	pSize = RRRegisterSize (pScreen,

+				randrp->virtualX, randrp->virtualY,

+				RRModeMM.mmWidth, RRModeMM.mmHeight);

+	if (!pSize)

+	    return FALSE;

+	RRRegisterRate (pScreen, pSize, refresh0);

+	if (scrp->virtualX == randrp->virtualX &&

+	    scrp->virtualY == randrp->virtualY)

+	{

+	    RRSetCurrentConfig (pScreen, randrp->rotation, refresh0, pSize);

+	}

+    }

+

+    /* If there is driver support for randr, let it set our supported rotations */

+    if(scrp->DriverFunc) {

+	xorgRRRotation RRRotation;

+

+	RRRotation.RRRotations = *rotations;

+	if (!(*scrp->DriverFunc)(scrp, RR_GET_INFO, &RRRotation))

+	    return TRUE;

+	*rotations = RRRotation.RRRotations;

+    }

+

+    return TRUE;

+}

+

+static Bool

+xf86RandRSetMode (ScreenPtr	    pScreen,

+		  DisplayModePtr    mode,

+		  Bool		    useVirtual,

+		  int		    mmWidth,

+		  int		    mmHeight)

+{

+    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);

+    XF86RandRInfoPtr	randrp = XF86RANDRINFO(pScreen);

+    int			oldWidth = pScreen->width;

+    int			oldHeight = pScreen->height;

+    int			oldmmWidth = pScreen->mmWidth;

+    int			oldmmHeight = pScreen->mmHeight;

+    int			oldVirtualX = scrp->virtualX;

+    int			oldVirtualY = scrp->virtualY;

+    WindowPtr		pRoot = WindowTable[pScreen->myNum];

+    Bool		ret = TRUE;

+

+    if (pRoot && scrp->vtSema)

+	(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);

+    if (useVirtual)

+    {

+	scrp->virtualX = randrp->virtualX;

+	scrp->virtualY = randrp->virtualY;

+    }

+    else

+    {

+	scrp->virtualX = mode->HDisplay;

+	scrp->virtualY = mode->VDisplay;

+    }

+

+    /*

+     * The DIX forgets the physical dimensions we passed into RRRegisterSize, so

+     * reconstruct them if possible.

+     */

+    if(scrp->DriverFunc) {

+	xorgRRModeMM RRModeMM;

+

+	RRModeMM.mode = mode;

+	RRModeMM.virtX = scrp->virtualX;

+	RRModeMM.virtY = scrp->virtualY;

+	RRModeMM.mmWidth = mmWidth;

+	RRModeMM.mmHeight = mmHeight;

+

+	(*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);

+

+	mmWidth = RRModeMM.mmWidth;

+	mmHeight = RRModeMM.mmHeight;

+    }

+    if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))

+    {

+	/* If the screen is rotated 90 or 270 degrees, swap the sizes. */

+	pScreen->width = scrp->virtualY;

+	pScreen->height = scrp->virtualX;

+	pScreen->mmWidth = mmHeight;

+	pScreen->mmHeight = mmWidth;

+    }

+    else

+    {

+	pScreen->width = scrp->virtualX;

+	pScreen->height = scrp->virtualY;

+	pScreen->mmWidth = mmWidth;

+	pScreen->mmHeight = mmHeight;

+    }

+    if (!xf86SwitchMode (pScreen, mode))

+    {

+	pScreen->width = oldWidth;

+	pScreen->height = oldHeight;

+	pScreen->mmWidth = oldmmWidth;

+	pScreen->mmHeight = oldmmHeight;

+	scrp->virtualX = oldVirtualX;

+	scrp->virtualY = oldVirtualY;

+	ret = FALSE;

+    }

+    /*

+     * Make sure the layout is correct

+     */

+    xf86ReconfigureLayout();

+

+    /*

+     * Make sure the whole screen is visible

+     */

+    xf86SetViewport (pScreen, pScreen->width, pScreen->height);

+    xf86SetViewport (pScreen, 0, 0);

+    if (pRoot && scrp->vtSema)

+	(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);

+    return ret;

+}

+

+static Bool

+xf86RandRSetConfig (ScreenPtr		pScreen,

+		    Rotation		rotation,

+		    int			rate,

+		    RRScreenSizePtr	pSize)

+{

+    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);

+    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);

+    DisplayModePtr	    mode;

+    int			    px, py;

+    Bool		    useVirtual = FALSE;

+    Rotation		    oldRotation = randrp->rotation;

+

+    miPointerGetPosition(inputInfo.pointer, &px, &py);

+    for (mode = scrp->modes; ; mode = mode->next)

+    {

+	if (mode->HDisplay == pSize->width &&

+	    mode->VDisplay == pSize->height &&

+	    (rate == 0 || xf86RandRModeRefresh (mode) == rate))

+	    break;

+	if (mode->next == scrp->modes)

+	{

+	    if (pSize->width == randrp->virtualX &&

+		pSize->height == randrp->virtualY)

+	    {

+		mode = scrp->modes;

+		useVirtual = TRUE;

+		break;

+	    }

+	    return FALSE;

+	}

+    }

+

+    if (randrp->rotation != rotation) {

+

+        /* Have the driver do its thing. */

+	if (scrp->DriverFunc) {

+	    xorgRRRotation RRRotation;

+	    RRRotation.RRConfig.rotation = rotation;

+	    RRRotation.RRConfig.rate = rate;

+	    RRRotation.RRConfig.width = pSize->width;

+	    RRRotation.RRConfig.height = pSize->height;

+

+	    /*

+	     * Currently we need to rely on HW support for rotation.

+	     */

+	    if (!(*scrp->DriverFunc)(scrp, RR_SET_CONFIG, &RRRotation))

+		return FALSE;

+	} else

+	    return FALSE;

+

+	randrp->rotation = rotation;

+    }

+

+    if (!xf86RandRSetMode (pScreen, mode, useVirtual, pSize->mmWidth, pSize->mmHeight)) {

+	if(randrp->rotation != oldRotation) {

+	   /* Have the driver undo its thing. */

+	   if (scrp->DriverFunc) {

+	       xorgRRRotation RRRotation;

+	       RRRotation.RRConfig.rotation = oldRotation;

+	       RRRotation.RRConfig.rate = xf86RandRModeRefresh (scrp->currentMode);

+	       RRRotation.RRConfig.width = scrp->virtualX;

+	       RRRotation.RRConfig.height = scrp->virtualY;

+	       (*scrp->DriverFunc)(scrp, RR_SET_CONFIG, &RRRotation);

+	   }

+

+	   randrp->rotation = oldRotation;

+	}

+	return FALSE;

+    }

+    /*

+     * Move the cursor back where it belongs; SwitchMode repositions it

+     */

+    if (pScreen == miPointerCurrentScreen ())

+    {

+	px = (px >= pScreen->width ? (pScreen->width - 1) : px);

+	py = (py >= pScreen->height ? (pScreen->height - 1) : py);

+

+        xf86SetViewport(pScreen, px, py);

+

+        (*pScreen->SetCursorPosition) (inputInfo.pointer, pScreen, px, py, FALSE);

+    }

+

+    return TRUE;

+}

+

+/*

+ * Wait until the screen is initialized before whacking the

+ * sizes around; otherwise the screen pixmap will be allocated

+ * at the current mode size rather than the maximum size

+ */

+static Bool

+xf86RandRCreateScreenResources (ScreenPtr pScreen)

+{

+    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);

+#if 0

+    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);

+    DisplayModePtr	    mode;

+#endif

+

+    pScreen->CreateScreenResources = randrp->CreateScreenResources;

+    if (!(*pScreen->CreateScreenResources) (pScreen))

+	return FALSE;

+

+#if 0

+    mode = scrp->currentMode;

+    if (mode)

+	xf86RandRSetMode (pScreen, mode, TRUE);

+#endif

+

+    return TRUE;

+}

+

+/*

+ * Reset size back to original

+ */

+static Bool

+xf86RandRCloseScreen (int index, ScreenPtr pScreen)

+{

+    ScrnInfoPtr		    scrp = XF86SCRNINFO(pScreen);

+    XF86RandRInfoPtr	    randrp = XF86RANDRINFO(pScreen);

+

+    scrp->virtualX = pScreen->width = randrp->virtualX;

+    scrp->virtualY = pScreen->height = randrp->virtualY;

+    scrp->currentMode = scrp->modes;

+    pScreen->CloseScreen = randrp->CloseScreen;

+    free(randrp);

+    dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, NULL);

+    return (*pScreen->CloseScreen) (index, pScreen);

+}

+

+Rotation

+xf86GetRotation(ScreenPtr pScreen)

+{

+    if (xf86RandRKey == NULL)

+       return RR_Rotate_0;

+

+    return XF86RANDRINFO(pScreen)->rotation;

+}

+

+/* Function to change RandR's idea of the virtual screen size */

+Bool

+xf86RandRSetNewVirtualAndDimensions(ScreenPtr pScreen,

+	int newvirtX, int newvirtY, int newmmWidth, int newmmHeight,

+	Bool resetMode)

+{

+    XF86RandRInfoPtr randrp;

+

+    if (xf86RandRKey == NULL)

+	return FALSE;

+

+    randrp = XF86RANDRINFO(pScreen);

+    if (randrp == NULL)

+	return FALSE;

+

+    if (newvirtX > 0)

+	randrp->virtualX = newvirtX;

+

+    if (newvirtY > 0)

+	randrp->virtualY = newvirtY;

+

+    if (newmmWidth > 0)

+	randrp->mmWidth = newmmWidth;

+

+    if (newmmHeight > 0)

+	randrp->mmHeight = newmmHeight;

+

+    /* This is only for during server start */

+    if (resetMode) {

+	return (xf86RandRSetMode(pScreen,

+		  XF86SCRNINFO(pScreen)->currentMode,

+		  TRUE,

+		  pScreen->mmWidth, pScreen->mmHeight));

+    }

+

+    return TRUE;

+}

+

+Bool

+xf86RandRInit (ScreenPtr    pScreen)

+{

+    rrScrPrivPtr	rp;

+    XF86RandRInfoPtr	randrp;

+    ScrnInfoPtr		scrp = XF86SCRNINFO(pScreen);

+

+#ifdef PANORAMIX

+    /* XXX disable RandR when using Xinerama */

+    if (!noPanoramiXExtension)

+	return TRUE;

+#endif

+

+    xf86RandRKey = &xf86RandRKeyIndex;

+

+    randrp = malloc(sizeof (XF86RandRInfoRec));

+    if (!randrp)

+	return FALSE;

+

+    if (!RRScreenInit (pScreen))

+    {

+	free(randrp);

+	return FALSE;

+    }

+    rp = rrGetScrPriv(pScreen);

+    rp->rrGetInfo = xf86RandRGetInfo;

+    rp->rrSetConfig = xf86RandRSetConfig;

+

+    randrp->virtualX = scrp->virtualX;

+    randrp->virtualY = scrp->virtualY;

+    randrp->mmWidth = pScreen->mmWidth;

+    randrp->mmHeight = pScreen->mmHeight;

+

+    randrp->CreateScreenResources = pScreen->CreateScreenResources;

+    pScreen->CreateScreenResources = xf86RandRCreateScreenResources;

+

+    randrp->CloseScreen = pScreen->CloseScreen;

+    pScreen->CloseScreen = xf86RandRCloseScreen;

+

+    randrp->rotation = RR_Rotate_0;

+

+    dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, randrp);

+    return TRUE;

+}

+

+