xserver mesa git update 10 Mar 2011

3 files changed, 1383 insertions, 1381 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86Config.c b/xorg-server/hw/xfree86/common/xf86Config.c
index 9602e899f..5312ca60d 100644
--- a/xorg-server/hw/xfree86/common/xf86Config.c
+++ b/xorg-server/hw/xfree86/common/xf86Config.c
@@ -1787,9 +1787,11 @@ configScreen(confScreenPtr screenp, XF86ConfScreenPtr conf_screen, int scrnum,
     XF86ConfDisplayPtr dispptr;
     XF86ConfAdaptorLinkPtr conf_adaptor;
     Bool defaultMonitor = FALSE;
+    XF86ConfScreenRec local_conf_screen;
 
     if (!conf_screen) {
-        conf_screen = xnfcalloc(1, sizeof(XF86ConfScreenRec));
+        memset(&local_conf_screen, 0, sizeof(local_conf_screen));
+        conf_screen = &local_conf_screen;
         conf_screen->scrn_identifier = "Default Screen Section";
         xf86Msg(X_DEFAULT, "No screen section available. Using defaults.\n");
     }
diff --git a/xorg-server/hw/xfree86/common/xf86VGAarbiter.c b/xorg-server/hw/xfree86/common/xf86VGAarbiter.c
index 0aa6f2cf4..c5ebb2780 100644
--- a/xorg-server/hw/xfree86/common/xf86VGAarbiter.c
+++ b/xorg-server/hw/xfree86/common/xf86VGAarbiter.c
@@ -1,1127 +1,1127 @@
-/*

- * This code was stolen from RAC and adapted to control the legacy vga

- * interface.

- *

- *

- * Copyright (c) 2007 Paulo R. Zanoni, Tiago Vignatti

- *

- * 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 AUTHORS OR COPYRIGHT

- * HOLDERS 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.

- *

- */

-

-#include "xorg-config.h"

-

-#include "xf86VGAarbiter.h"

-

-#ifdef HAVE_PCI_DEVICE_VGAARB_INIT

-#include "xf86VGAarbiterPriv.h"

-#include "xf86Bus.h"

-#include "xf86Priv.h"

-#include "pciaccess.h"

-

-

-static GCFuncs VGAarbiterGCFuncs = {

-    VGAarbiterValidateGC, VGAarbiterChangeGC, VGAarbiterCopyGC,

-    VGAarbiterDestroyGC, VGAarbiterChangeClip, VGAarbiterDestroyClip,

-    VGAarbiterCopyClip

-};

-

-static GCOps VGAarbiterGCOps = {

-    VGAarbiterFillSpans, VGAarbiterSetSpans, VGAarbiterPutImage,

-    VGAarbiterCopyArea, VGAarbiterCopyPlane, VGAarbiterPolyPoint,

-    VGAarbiterPolylines, VGAarbiterPolySegment, VGAarbiterPolyRectangle,

-    VGAarbiterPolyArc, VGAarbiterFillPolygon, VGAarbiterPolyFillRect,

-    VGAarbiterPolyFillArc, VGAarbiterPolyText8, VGAarbiterPolyText16,

-    VGAarbiterImageText8, VGAarbiterImageText16, VGAarbiterImageGlyphBlt,

-    VGAarbiterPolyGlyphBlt, VGAarbiterPushPixels,

-};

-

-static miPointerSpriteFuncRec VGAarbiterSpriteFuncs = {

-    VGAarbiterSpriteRealizeCursor, VGAarbiterSpriteUnrealizeCursor,

-    VGAarbiterSpriteSetCursor, VGAarbiterSpriteMoveCursor,

-    VGAarbiterDeviceCursorInitialize, VGAarbiterDeviceCursorCleanup

-};

-

-static DevPrivateKeyRec VGAarbiterScreenKeyRec;

-#define VGAarbiterScreenKey (&VGAarbiterScreenKeyRec)

-static DevPrivateKeyRec VGAarbiterGCKeyRec;

-#define VGAarbiterGCKey (&VGAarbiterGCKeyRec)

-

-static int vga_no_arb = 0;

-void

-xf86VGAarbiterInit(void)

-{

-    if (pci_device_vgaarb_init() != 0) {

-	vga_no_arb = 1;

-        xf86Msg(X_WARNING, "VGA arbiter: cannot open kernel arbiter, no multi-card support\n");

-    }

-}

-

-void

-xf86VGAarbiterFini(void)

-{

-    if (vga_no_arb)

-	return;

-    pci_device_vgaarb_fini();

-}

-

-void

-xf86VGAarbiterLock(ScrnInfoPtr pScrn)

-{

-    if (vga_no_arb)

-	return;

-    pci_device_vgaarb_set_target(pScrn->vgaDev);

-    pci_device_vgaarb_lock();

-}

-

-void

-xf86VGAarbiterUnlock(ScrnInfoPtr pScrn)

-{

-    if (vga_no_arb)

-	return;

-    pci_device_vgaarb_unlock();

-}

-

-Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen)

-{

-    int vga_count;

-    int rsrc_decodes;

-    ScrnInfoPtr         pScrn = xf86Screens[pScreen->myNum];

-

-    if (vga_no_arb)

-	return TRUE;

-

-    pci_device_vgaarb_get_info(pScrn->vgaDev, &vga_count, &rsrc_decodes);

-    if (vga_count > 1) {

-        if (rsrc_decodes) {

-            return FALSE;

-        }

-    }

-    return TRUE;

-}

-

-void

-xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn)

-{

-    struct pci_device *dev;

-    EntityPtr pEnt;

-

-    if (vga_no_arb)

-	return;

-

-    pEnt = xf86Entities[pScrn->entityList[0]];

-    if (pEnt->bus.type != BUS_PCI)

-	return;

-

-    dev = pEnt->bus.id.pci;

-    pScrn->vgaDev = dev;

-}

-

-void

-xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn, int rsrc)

-{

-    if (vga_no_arb)

-	return;

-    pci_device_vgaarb_set_target(pScrn->vgaDev);

-    pci_device_vgaarb_decodes(rsrc);

-}

-

-Bool

-xf86VGAarbiterWrapFunctions(void)

-{

-    ScrnInfoPtr pScrn;

-    VGAarbiterScreenPtr pScreenPriv;

-    miPointerScreenPtr PointPriv;

-    PictureScreenPtr    ps;

-    ScreenPtr pScreen;

-    int vga_count, i;

-

-    if (vga_no_arb)

-        return FALSE;

-

-    /*

-     * we need to wrap the arbiter if we have more than

-     * one VGA card - hotplug cries.

-     */

-    pci_device_vgaarb_get_info(NULL, &vga_count, NULL);

-    if (vga_count < 2 || !xf86Screens)

-        return FALSE;

-

-    xf86Msg(X_INFO,"Found %d VGA devices: arbiter wrapping enabled\n",

-            vga_count);

-

-    for (i = 0; i < xf86NumScreens; i++) {

-        pScreen = xf86Screens[i]->pScreen;

-        ps = GetPictureScreenIfSet(pScreen);

-        pScrn = xf86Screens[pScreen->myNum];

-        PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);

-

-        if (!dixRegisterPrivateKey(&VGAarbiterGCKeyRec, PRIVATE_GC, sizeof(VGAarbiterGCRec)))

-            return FALSE;

-

-	if (!dixRegisterPrivateKey(&VGAarbiterScreenKeyRec, PRIVATE_SCREEN, 0))

-	    return FALSE;

-

-        if (!(pScreenPriv = malloc(sizeof(VGAarbiterScreenRec))))

-            return FALSE;

-

-        dixSetPrivate(&pScreen->devPrivates, VGAarbiterScreenKey, pScreenPriv);

-

-        WRAP_SCREEN(CloseScreen, VGAarbiterCloseScreen);

-        WRAP_SCREEN(SaveScreen, VGAarbiterSaveScreen);

-        WRAP_SCREEN(WakeupHandler, VGAarbiterWakeupHandler);

-        WRAP_SCREEN(BlockHandler, VGAarbiterBlockHandler);

-        WRAP_SCREEN(CreateGC, VGAarbiterCreateGC);

-        WRAP_SCREEN(GetImage, VGAarbiterGetImage);

-        WRAP_SCREEN(GetSpans, VGAarbiterGetSpans);

-        WRAP_SCREEN(SourceValidate, VGAarbiterSourceValidate);

-        WRAP_SCREEN(CopyWindow, VGAarbiterCopyWindow);

-        WRAP_SCREEN(ClearToBackground, VGAarbiterClearToBackground);

-        WRAP_SCREEN(CreatePixmap, VGAarbiterCreatePixmap);

-        WRAP_SCREEN(StoreColors, VGAarbiterStoreColors);

-        WRAP_SCREEN(DisplayCursor, VGAarbiterDisplayCursor);

-        WRAP_SCREEN(RealizeCursor, VGAarbiterRealizeCursor);

-        WRAP_SCREEN(UnrealizeCursor, VGAarbiterUnrealizeCursor);

-        WRAP_SCREEN(RecolorCursor, VGAarbiterRecolorCursor);

-        WRAP_SCREEN(SetCursorPosition, VGAarbiterSetCursorPosition);

-        WRAP_PICT(Composite,VGAarbiterComposite);

-        WRAP_PICT(Glyphs,VGAarbiterGlyphs);

-        WRAP_PICT(CompositeRects,VGAarbiterCompositeRects);

-        WRAP_SCREEN_INFO(AdjustFrame, VGAarbiterAdjustFrame);

-        WRAP_SCREEN_INFO(SwitchMode, VGAarbiterSwitchMode);

-        WRAP_SCREEN_INFO(EnterVT, VGAarbiterEnterVT);

-        WRAP_SCREEN_INFO(LeaveVT, VGAarbiterLeaveVT);

-        WRAP_SCREEN_INFO(FreeScreen, VGAarbiterFreeScreen);

-        WRAP_SPRITE;

-    }

-

-    return TRUE;

-}

-

-/* Screen funcs */

-static Bool

-VGAarbiterCloseScreen (int i, ScreenPtr pScreen)

-{

-    Bool val;

-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];

-    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(

-        &pScreen->devPrivates, VGAarbiterScreenKey);

-    miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate(

-        &pScreen->devPrivates, miPointerScreenKey);

-    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);

-

-    UNWRAP_SCREEN(CreateGC);

-    UNWRAP_SCREEN(CloseScreen);

-    UNWRAP_SCREEN(GetImage);

-    UNWRAP_SCREEN(GetSpans);

-    UNWRAP_SCREEN(SourceValidate);

-    UNWRAP_SCREEN(CopyWindow);

-    UNWRAP_SCREEN(ClearToBackground);

-    UNWRAP_SCREEN(SaveScreen);

-    UNWRAP_SCREEN(StoreColors);

-    UNWRAP_SCREEN(DisplayCursor);

-    UNWRAP_SCREEN(RealizeCursor);

-    UNWRAP_SCREEN(UnrealizeCursor);

-    UNWRAP_SCREEN(RecolorCursor);

-    UNWRAP_SCREEN(SetCursorPosition);

-    UNWRAP_PICT(Composite);

-    UNWRAP_PICT(Glyphs);

-    UNWRAP_PICT(CompositeRects);

-    UNWRAP_SCREEN_INFO(AdjustFrame);

-    UNWRAP_SCREEN_INFO(SwitchMode);

-    UNWRAP_SCREEN_INFO(EnterVT);

-    UNWRAP_SCREEN_INFO(LeaveVT);

-    UNWRAP_SCREEN_INFO(FreeScreen);

-    UNWRAP_SPRITE;

-

-    free((pointer) pScreenPriv);

-    xf86VGAarbiterLock(xf86Screens[i]);

-    val = (*pScreen->CloseScreen) (i, pScreen);

-    xf86VGAarbiterUnlock(xf86Screens[i]);

-    return val;

-}

-

-static void

-VGAarbiterBlockHandler(int i,

-                       pointer blockData, pointer pTimeout, pointer pReadmask)

-{

-    ScreenPtr pScreen = screenInfo.screens[i];

-    SCREEN_PROLOG(BlockHandler);

-    VGAGet(pScreen);

-    pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);

-    VGAPut();

-    SCREEN_EPILOG(BlockHandler, VGAarbiterBlockHandler);

-}

-

-static void

-VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask)

-{

-    ScreenPtr pScreen = screenInfo.screens[i];

-    SCREEN_PROLOG(WakeupHandler);

-    VGAGet(pScreen);

-    pScreen->WakeupHandler(i, blockData, result, pReadmask);

-    VGAPut();

-    SCREEN_EPILOG(WakeupHandler, VGAarbiterWakeupHandler);

-}

-

-static void

-VGAarbiterGetImage (

-    DrawablePtr pDrawable,

-    int sx, int sy, int w, int h,

-    unsigned int    format,

-    unsigned long   planemask,

-    char        *pdstLine

-    )

-{

-    ScreenPtr pScreen = pDrawable->pScreen;

-    SCREEN_PROLOG(GetImage);

-//    if (xf86Screens[pScreen->myNum]->vtSema) {

-    VGAGet(pScreen);

-//    }

-    (*pScreen->GetImage) (pDrawable, sx, sy, w, h,

-              format, planemask, pdstLine);

-    VGAPut();

-    SCREEN_EPILOG (GetImage, VGAarbiterGetImage);

-}

-

-static void

-VGAarbiterGetSpans (

-    DrawablePtr pDrawable,

-    int     wMax,

-    DDXPointPtr ppt,

-    int     *pwidth,

-    int     nspans,

-    char    *pdstStart

-    )

-{

-    ScreenPtr       pScreen = pDrawable->pScreen;

-

-    SCREEN_PROLOG (GetSpans);

-    VGAGet(pScreen);

-    (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);

-    VGAPut();

-    SCREEN_EPILOG (GetSpans, VGAarbiterGetSpans);

-}

-

-static void

-VGAarbiterSourceValidate (

-    DrawablePtr pDrawable,

-    int x, int y, int width, int height,

-    unsigned int subWindowMode )

-{

-    ScreenPtr   pScreen = pDrawable->pScreen;

-    SCREEN_PROLOG (SourceValidate);

-    VGAGet(pScreen);

-    if (pScreen->SourceValidate)

-    (*pScreen->SourceValidate) (pDrawable, x, y, width, height, subWindowMode);

-    VGAPut();

-    SCREEN_EPILOG (SourceValidate, VGAarbiterSourceValidate);

-}

-

-static void

-VGAarbiterCopyWindow(

-    WindowPtr pWin,

-    DDXPointRec ptOldOrg,

-    RegionPtr prgnSrc )

-{

-    ScreenPtr pScreen = pWin->drawable.pScreen;

-

-    SCREEN_PROLOG (CopyWindow);

-    VGAGet(pScreen);

-    (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);

-    VGAPut();

-    SCREEN_EPILOG (CopyWindow, VGAarbiterCopyWindow);

-}

-

-static void

-VGAarbiterClearToBackground (

-    WindowPtr pWin,

-    int x, int y,

-    int w, int h,

-    Bool generateExposures )

-{

-    ScreenPtr pScreen = pWin->drawable.pScreen;

-

-    SCREEN_PROLOG ( ClearToBackground);

-    VGAGet(pScreen);

-    (*pScreen->ClearToBackground) (pWin, x, y, w, h, generateExposures);

-    VGAPut();

-    SCREEN_EPILOG (ClearToBackground, VGAarbiterClearToBackground);

-}

-

-static PixmapPtr

-VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h, int depth, unsigned usage_hint)

-{

-    PixmapPtr pPix;

-

-    SCREEN_PROLOG ( CreatePixmap);

-    VGAGet(pScreen);

-    pPix = (*pScreen->CreatePixmap) (pScreen, w, h, depth, usage_hint);

-    VGAPut();

-    SCREEN_EPILOG (CreatePixmap, VGAarbiterCreatePixmap);

-

-    return pPix;

-}

-

-static Bool

-VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank)

-{

-    Bool val;

-

-    SCREEN_PROLOG (SaveScreen);

-    VGAGet(pScreen);

-    val = (*pScreen->SaveScreen) (pScreen, unblank);

-    VGAPut();

-    SCREEN_EPILOG (SaveScreen, VGAarbiterSaveScreen);

-

-    return val;

-}

-

-static void

-VGAarbiterStoreColors (

-    ColormapPtr        pmap,

-    int                ndef,

-    xColorItem         *pdefs)

-{

-    ScreenPtr pScreen = pmap->pScreen;

-

-    SCREEN_PROLOG (StoreColors);

-    VGAGet(pScreen);

-    (*pScreen->StoreColors) (pmap,ndef,pdefs);

-    VGAPut();

-    SCREEN_EPILOG ( StoreColors, VGAarbiterStoreColors);

-}

-

-static void

-VGAarbiterRecolorCursor (

-    DeviceIntPtr pDev,

-    ScreenPtr pScreen,

-    CursorPtr pCurs,

-    Bool displayed

-    )

-{

-    SCREEN_PROLOG (RecolorCursor);

-    VGAGet(pScreen);

-    (*pScreen->RecolorCursor) (pDev, pScreen, pCurs, displayed);

-    VGAPut();

-    SCREEN_EPILOG ( RecolorCursor, VGAarbiterRecolorCursor);

-}

-

-static Bool

-VGAarbiterRealizeCursor (

-    DeviceIntPtr pDev,

-    ScreenPtr   pScreen,

-    CursorPtr   pCursor

-    )

-{

-    Bool val;

-

-    SCREEN_PROLOG (RealizeCursor);

-    VGAGet(pScreen);

-    val = (*pScreen->RealizeCursor) (pDev, pScreen,pCursor);

-    VGAPut();

-    SCREEN_EPILOG ( RealizeCursor, VGAarbiterRealizeCursor);

-    return val;

-}

-

-static Bool

-VGAarbiterUnrealizeCursor (

-    DeviceIntPtr pDev,

-    ScreenPtr   pScreen,

-    CursorPtr   pCursor

-    )

-{

-    Bool val;

-

-    SCREEN_PROLOG (UnrealizeCursor);

-    VGAGet(pScreen);

-    val = (*pScreen->UnrealizeCursor) (pDev, pScreen, pCursor);

-    VGAPut();

-    SCREEN_EPILOG ( UnrealizeCursor, VGAarbiterUnrealizeCursor);

-    return val;

-}

-

-static Bool

-VGAarbiterDisplayCursor (

-    DeviceIntPtr pDev,

-    ScreenPtr   pScreen,

-    CursorPtr   pCursor

-    )

-{

-    Bool val;

-

-    SCREEN_PROLOG (DisplayCursor);

-    VGAGet(pScreen);

-    val = (*pScreen->DisplayCursor) (pDev, pScreen, pCursor);

-    VGAPut();

-    SCREEN_EPILOG ( DisplayCursor, VGAarbiterDisplayCursor);

-    return val;

-}

-

-static Bool

-VGAarbiterSetCursorPosition (

-    DeviceIntPtr pDev,

-    ScreenPtr   pScreen,

-    int x, int y,

-    Bool generateEvent)

-{

-    Bool val;

-

-    SCREEN_PROLOG (SetCursorPosition);

-    VGAGet(pScreen);

-    val = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent);

-    VGAPut();

-    SCREEN_EPILOG ( SetCursorPosition, VGAarbiterSetCursorPosition);

-    return val;

-}

-

-static void

-VGAarbiterAdjustFrame(int index, int x, int y, int flags)

-{

-    ScreenPtr pScreen = screenInfo.screens[index];

-    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(

-        &pScreen->devPrivates, VGAarbiterScreenKey);

-

-    VGAGet(pScreen);

-    (*pScreenPriv->AdjustFrame)(index, x, y, flags);

-    VGAPut();

-}

-

-static Bool

-VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags)

-{

-    Bool val;

-    ScreenPtr pScreen = screenInfo.screens[index];

-    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(

-        &pScreen->devPrivates, VGAarbiterScreenKey);

-

-    VGAGet(pScreen);

-    val = (*pScreenPriv->SwitchMode)(index, mode, flags);

-    VGAPut();

-    return val;

-}

-

-static Bool

-VGAarbiterEnterVT(int index, int flags)

-{

-    Bool val;

-    ScrnInfoPtr pScrn = xf86Screens[index];

-    ScreenPtr pScreen = screenInfo.screens[index];

-    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(

-        &pScreen->devPrivates, VGAarbiterScreenKey);

-

-    VGAGet(pScreen);

-    pScrn->EnterVT = pScreenPriv->EnterVT;

-    val = (*pScrn->EnterVT)(index, flags);

-    pScreenPriv->EnterVT = pScrn->EnterVT;

-    pScrn->EnterVT = VGAarbiterEnterVT;

-    VGAPut();

-    return val;

-}

-

-static void

-VGAarbiterLeaveVT(int index, int flags)

-{

-    ScrnInfoPtr pScrn = xf86Screens[index];

-    ScreenPtr pScreen = screenInfo.screens[index];

-    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(

-        &pScreen->devPrivates, VGAarbiterScreenKey);

-

-    VGAGet(pScreen);

-    pScrn->LeaveVT = pScreenPriv->LeaveVT;

-    (*pScreenPriv->LeaveVT)(index, flags);

-    pScreenPriv->LeaveVT = pScrn->LeaveVT;

-    pScrn->LeaveVT = VGAarbiterLeaveVT;

-    VGAPut();

-}

-

-static void

-VGAarbiterFreeScreen(int index, int flags)

-{

-    ScreenPtr pScreen = screenInfo.screens[index];

-    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(

-        &pScreen->devPrivates, VGAarbiterScreenKey);

-

-    VGAGet(pScreen);

-    (*pScreenPriv->FreeScreen)(index, flags);

-    VGAPut();

-}

-

-static Bool

-VGAarbiterCreateGC(GCPtr pGC)

-{

-    ScreenPtr    pScreen = pGC->pScreen;

-    VGAarbiterGCPtr pGCPriv = (VGAarbiterGCPtr)dixLookupPrivate(&pGC->devPrivates, VGAarbiterGCKey);

-    Bool         ret;

-

-    SCREEN_PROLOG(CreateGC);

-    ret = (*pScreen->CreateGC)(pGC);

-    GC_WRAP(pGC);

-    SCREEN_EPILOG(CreateGC,VGAarbiterCreateGC);

-

-    return ret;

-}

-

-/* GC funcs */

-static void

-VGAarbiterValidateGC(

-   GCPtr         pGC,

-   unsigned long changes,

-   DrawablePtr   pDraw )

-{

-    GC_UNWRAP(pGC);

-    (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);

-    GC_WRAP(pGC);

-}

-

-

-static void

-VGAarbiterDestroyGC(GCPtr pGC)

-{

-    GC_UNWRAP (pGC);

-    (*pGC->funcs->DestroyGC)(pGC);

-    GC_WRAP (pGC);

-}

-

-static void

-VGAarbiterChangeGC (

-    GCPtr       pGC,

-    unsigned long   mask)

-{

-    GC_UNWRAP (pGC);

-    (*pGC->funcs->ChangeGC) (pGC, mask);

-    GC_WRAP (pGC);

-}

-

-static void

-VGAarbiterCopyGC (

-    GCPtr       pGCSrc,

-    unsigned long   mask,

-    GCPtr       pGCDst)

-{

-    GC_UNWRAP (pGCDst);

-    (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);

-    GC_WRAP (pGCDst);

-}

-

-static void

-VGAarbiterChangeClip (

-    GCPtr   pGC,

-    int     type,

-    pointer pvalue,

-    int     nrects )

-{

-    GC_UNWRAP (pGC);

-    (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);

-    GC_WRAP (pGC);

-}

-

-static void

-VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc)

-{

-    GC_UNWRAP (pgcDst);

-    (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);

-    GC_WRAP (pgcDst);

-}

-

-static void

-VGAarbiterDestroyClip(GCPtr pGC)

-{

-    GC_UNWRAP (pGC);

-    (* pGC->funcs->DestroyClip)(pGC);

-    GC_WRAP (pGC);

-}

-

-/* GC Ops */

-static void

-VGAarbiterFillSpans(

-    DrawablePtr pDraw,

-    GC      *pGC,

-    int     nInit,

-    DDXPointPtr pptInit,

-    int *pwidthInit,

-    int fSorted )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterSetSpans(

-    DrawablePtr     pDraw,

-    GCPtr       pGC,

-    char        *pcharsrc,

-    register DDXPointPtr ppt,

-    int         *pwidth,

-    int         nspans,

-    int         fSorted )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, ppt, pwidth, nspans, fSorted);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPutImage(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     depth,

-    int x, int y, int w, int h,

-    int     leftPad,

-    int     format,

-    char    *pImage )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h,

-              leftPad, format, pImage);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static RegionPtr

-VGAarbiterCopyArea(

-    DrawablePtr pSrc,

-    DrawablePtr pDst,

-    GC *pGC,

-    int srcx, int srcy,

-    int width, int height,

-    int dstx, int dsty )

-{

-    RegionPtr ret;

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    ret = (*pGC->ops->CopyArea)(pSrc, pDst,

-                pGC, srcx, srcy, width, height, dstx, dsty);

-    VGAPut();

-    GC_WRAP(pGC);

-    return ret;

-}

-

-static RegionPtr

-VGAarbiterCopyPlane(

-    DrawablePtr pSrc,

-    DrawablePtr pDst,

-    GCPtr pGC,

-    int srcx, int srcy,

-    int width, int height,

-    int dstx, int dsty,

-    unsigned long bitPlane )

-{

-    RegionPtr ret;

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    ret = (*pGC->ops->CopyPlane)(pSrc, pDst, pGC, srcx, srcy,

-                 width, height, dstx, dsty, bitPlane);

-    VGAPut();

-    GC_WRAP(pGC);

-    return ret;

-}

-

-static void

-VGAarbiterPolyPoint(

-    DrawablePtr pDraw,

-    GCPtr pGC,

-    int mode,

-    int npt,

-    xPoint *pptInit )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PolyPoint)(pDraw, pGC, mode, npt, pptInit);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-

-static void

-VGAarbiterPolylines(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     mode,

-    int     npt,

-    DDXPointPtr pptInit )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->Polylines)(pDraw, pGC, mode, npt, pptInit);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPolySegment(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     nseg,

-    xSegment    *pSeg )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PolySegment)(pDraw, pGC, nseg, pSeg);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPolyRectangle(

-    DrawablePtr  pDraw,

-    GCPtr        pGC,

-    int          nRectsInit,

-    xRectangle  *pRectsInit )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPolyArc(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     narcs,

-    xArc    *parcs )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PolyArc)(pDraw, pGC, narcs, parcs);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterFillPolygon(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     shape,

-    int     mode,

-    int     count,

-    DDXPointPtr ptsIn )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, ptsIn);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPolyFillRect(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     nrectFill,

-    xRectangle  *prectInit)

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PolyFillRect)(pDraw, pGC, nrectFill, prectInit);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPolyFillArc(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     narcs,

-    xArc    *parcs )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PolyFillArc)(pDraw, pGC, narcs, parcs);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static int

-VGAarbiterPolyText8(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     x,

-    int     y,

-    int     count,

-    char    *chars )

-{

-    int ret;

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    ret = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars);

-    VGAPut();

-    GC_WRAP(pGC);

-    return ret;

-}

-

-static int

-VGAarbiterPolyText16(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     x,

-    int     y,

-    int     count,

-    unsigned short *chars )

-{

-    int ret;

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    ret = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars);

-    VGAPut();

-    GC_WRAP(pGC);

-    return ret;

-}

-

-static void

-VGAarbiterImageText8(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     x,

-    int     y,

-    int     count,

-    char    *chars )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterImageText16(

-    DrawablePtr pDraw,

-    GCPtr   pGC,

-    int     x,

-    int     y,

-    int     count,

-    unsigned short *chars )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-

-static void

-VGAarbiterImageGlyphBlt(

-    DrawablePtr pDraw,

-    GCPtr pGC,

-    int xInit, int yInit,

-    unsigned int nglyph,

-    CharInfoPtr *ppci,

-    pointer pglyphBase )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, xInit, yInit,

-                   nglyph, ppci, pglyphBase);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPolyGlyphBlt(

-    DrawablePtr pDraw,

-    GCPtr pGC,

-    int xInit, int yInit,

-    unsigned int nglyph,

-    CharInfoPtr *ppci,

-    pointer pglyphBase )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, xInit, yInit,

-                  nglyph, ppci, pglyphBase);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-static void

-VGAarbiterPushPixels(

-    GCPtr   pGC,

-    PixmapPtr   pBitMap,

-    DrawablePtr pDraw,

-    int dx, int dy, int xOrg, int yOrg )

-{

-    ScreenPtr pScreen = pGC->pScreen;

-    GC_UNWRAP(pGC);

-    VGAGet(pScreen);

-    (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg);

-    VGAPut();

-    GC_WRAP(pGC);

-}

-

-

-/* miSpriteFuncs */

-static Bool

-VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)

-{

-    Bool val;

-    SPRITE_PROLOG;

-    VGAGet(pScreen);

-    val = PointPriv->spriteFuncs->RealizeCursor(pDev, pScreen, pCur);

-    VGAPut();

-    SPRITE_EPILOG;

-    return val;

-}

-

-static Bool

-VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)

-{

-    Bool val;

-    SPRITE_PROLOG;

-    VGAGet(pScreen);

-    val = PointPriv->spriteFuncs->UnrealizeCursor(pDev, pScreen, pCur);

-    VGAPut();

-    SPRITE_EPILOG;

-    return val;

-}

-

-static void

-VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur, int x, int y)

-{

-    SPRITE_PROLOG;

-    VGAGet(pScreen);

-    PointPriv->spriteFuncs->SetCursor(pDev, pScreen, pCur, x, y);

-    VGAPut();

-    SPRITE_EPILOG;

-}

-

-static void

-VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)

-{

-    SPRITE_PROLOG;

-    VGAGet(pScreen);

-    PointPriv->spriteFuncs->MoveCursor(pDev, pScreen, x, y);

-    VGAPut();

-    SPRITE_EPILOG;

-}

-

-static Bool

-VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)

-{

-    Bool val;

-    SPRITE_PROLOG;

-    VGAGet(pScreen);

-    val = PointPriv->spriteFuncs->DeviceCursorInitialize(pDev, pScreen);

-    VGAPut();

-    SPRITE_EPILOG;

-    return val;

-}

-

-static void

-VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)

-{

-    SPRITE_PROLOG;

-    VGAGet(pScreen);

-    PointPriv->spriteFuncs->DeviceCursorCleanup(pDev, pScreen);

-    VGAPut();

-    SPRITE_EPILOG;

-}

-

-static void

-VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,

-         PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask,

-         INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width,

-         CARD16 height)

-{

-    ScreenPtr       pScreen = pDst->pDrawable->pScreen;

-    PictureScreenPtr    ps = GetPictureScreen(pScreen);

-

-    PICTURE_PROLOGUE(Composite);

-

-    VGAGet(pScreen);

-    (*ps->Composite) (op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask, xDst,

-              yDst, width, height);

-    VGAPut();

-    PICTURE_EPILOGUE(Composite, VGAarbiterComposite);

-}

-

-static void

-VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,

-      PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist,

-      GlyphListPtr list, GlyphPtr *glyphs)

-{

-    ScreenPtr       pScreen = pDst->pDrawable->pScreen;

-    PictureScreenPtr    ps = GetPictureScreen(pScreen);

-

-    PICTURE_PROLOGUE(Glyphs);

-

-    VGAGet(pScreen);

-    (*ps->Glyphs)(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);

-    VGAPut();

-    PICTURE_EPILOGUE (Glyphs, VGAarbiterGlyphs);

-}

-

-static void

-VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor *color, int nRect,

-          xRectangle *rects)

-{

-    ScreenPtr       pScreen = pDst->pDrawable->pScreen;

-    PictureScreenPtr    ps = GetPictureScreen(pScreen);

-

-    PICTURE_PROLOGUE(CompositeRects);

-

-    VGAGet(pScreen);

-    (*ps->CompositeRects)(op, pDst, color, nRect, rects);

-    VGAPut();

-    PICTURE_EPILOGUE (CompositeRects, VGAarbiterCompositeRects);

-}

-#else

-/* dummy functions */

-void xf86VGAarbiterInit(void) {}

-void xf86VGAarbiterFini(void) {}

-

-void xf86VGAarbiterLock(ScrnInfoPtr pScrn) {}

-void xf86VGAarbiterUnlock(ScrnInfoPtr pScrn) {}

-Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen) { return TRUE; }

-void xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn) {}

-void xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn, int rsrc) {}

-Bool xf86VGAarbiterWrapFunctions(void) { return FALSE; }

-

-#endif

+/*
+ * This code was stolen from RAC and adapted to control the legacy vga
+ * interface.
+ *
+ *
+ * Copyright (c) 2007 Paulo R. Zanoni, Tiago Vignatti
+ *
+ * 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 AUTHORS OR COPYRIGHT
+ * HOLDERS 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.
+ *
+ */
+
+#include "xorg-config.h"
+
+#include "xf86VGAarbiter.h"
+
+#ifdef HAVE_PCI_DEVICE_VGAARB_INIT
+#include "xf86VGAarbiterPriv.h"
+#include "xf86Bus.h"
+#include "xf86Priv.h"
+#include "pciaccess.h"
+
+
+static GCFuncs VGAarbiterGCFuncs = {
+    VGAarbiterValidateGC, VGAarbiterChangeGC, VGAarbiterCopyGC,
+    VGAarbiterDestroyGC, VGAarbiterChangeClip, VGAarbiterDestroyClip,
+    VGAarbiterCopyClip
+};
+
+static GCOps VGAarbiterGCOps = {
+    VGAarbiterFillSpans, VGAarbiterSetSpans, VGAarbiterPutImage,
+    VGAarbiterCopyArea, VGAarbiterCopyPlane, VGAarbiterPolyPoint,
+    VGAarbiterPolylines, VGAarbiterPolySegment, VGAarbiterPolyRectangle,
+    VGAarbiterPolyArc, VGAarbiterFillPolygon, VGAarbiterPolyFillRect,
+    VGAarbiterPolyFillArc, VGAarbiterPolyText8, VGAarbiterPolyText16,
+    VGAarbiterImageText8, VGAarbiterImageText16, VGAarbiterImageGlyphBlt,
+    VGAarbiterPolyGlyphBlt, VGAarbiterPushPixels,
+};
+
+static miPointerSpriteFuncRec VGAarbiterSpriteFuncs = {
+    VGAarbiterSpriteRealizeCursor, VGAarbiterSpriteUnrealizeCursor,
+    VGAarbiterSpriteSetCursor, VGAarbiterSpriteMoveCursor,
+    VGAarbiterDeviceCursorInitialize, VGAarbiterDeviceCursorCleanup
+};
+
+static DevPrivateKeyRec VGAarbiterScreenKeyRec;
+#define VGAarbiterScreenKey (&VGAarbiterScreenKeyRec)
+static DevPrivateKeyRec VGAarbiterGCKeyRec;
+#define VGAarbiterGCKey (&VGAarbiterGCKeyRec)
+
+static int vga_no_arb = 0;
+void
+xf86VGAarbiterInit(void)
+{
+    if (pci_device_vgaarb_init() != 0) {
+	vga_no_arb = 1;
+        xf86Msg(X_WARNING, "VGA arbiter: cannot open kernel arbiter, no multi-card support\n");
+    }
+}
+
+void
+xf86VGAarbiterFini(void)
+{
+    if (vga_no_arb)
+	return;
+    pci_device_vgaarb_fini();
+}
+
+void
+xf86VGAarbiterLock(ScrnInfoPtr pScrn)
+{
+    if (vga_no_arb)
+	return;
+    pci_device_vgaarb_set_target(pScrn->vgaDev);
+    pci_device_vgaarb_lock();
+}
+
+void
+xf86VGAarbiterUnlock(ScrnInfoPtr pScrn)
+{
+    if (vga_no_arb)
+	return;
+    pci_device_vgaarb_unlock();
+}
+
+Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen)
+{
+    int vga_count;
+    int rsrc_decodes;
+    ScrnInfoPtr         pScrn = xf86Screens[pScreen->myNum];
+
+    if (vga_no_arb)
+	return TRUE;
+
+    pci_device_vgaarb_get_info(pScrn->vgaDev, &vga_count, &rsrc_decodes);
+    if (vga_count > 1) {
+        if (rsrc_decodes) {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
+void
+xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn)
+{
+    struct pci_device *dev;
+    EntityPtr pEnt;
+
+    if (vga_no_arb)
+	return;
+
+    pEnt = xf86Entities[pScrn->entityList[0]];
+    if (pEnt->bus.type != BUS_PCI)
+	return;
+
+    dev = pEnt->bus.id.pci;
+    pScrn->vgaDev = dev;
+}
+
+void
+xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn, int rsrc)
+{
+    if (vga_no_arb)
+	return;
+    pci_device_vgaarb_set_target(pScrn->vgaDev);
+    pci_device_vgaarb_decodes(rsrc);
+}
+
+Bool
+xf86VGAarbiterWrapFunctions(void)
+{
+    ScrnInfoPtr pScrn;
+    VGAarbiterScreenPtr pScreenPriv;
+    miPointerScreenPtr PointPriv;
+    PictureScreenPtr    ps;
+    ScreenPtr pScreen;
+    int vga_count, i;
+
+    if (vga_no_arb)
+        return FALSE;
+
+    /*
+     * we need to wrap the arbiter if we have more than
+     * one VGA card - hotplug cries.
+     */
+    pci_device_vgaarb_get_info(NULL, &vga_count, NULL);
+    if (vga_count < 2 || !xf86Screens)
+        return FALSE;
+
+    xf86Msg(X_INFO,"Found %d VGA devices: arbiter wrapping enabled\n",
+            vga_count);
+
+    for (i = 0; i < xf86NumScreens; i++) {
+        pScreen = xf86Screens[i]->pScreen;
+        ps = GetPictureScreenIfSet(pScreen);
+        pScrn = xf86Screens[pScreen->myNum];
+        PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
+
+        if (!dixRegisterPrivateKey(&VGAarbiterGCKeyRec, PRIVATE_GC, sizeof(VGAarbiterGCRec)))
+            return FALSE;
+
+	if (!dixRegisterPrivateKey(&VGAarbiterScreenKeyRec, PRIVATE_SCREEN, 0))
+	    return FALSE;
+
+        if (!(pScreenPriv = malloc(sizeof(VGAarbiterScreenRec))))
+            return FALSE;
+
+        dixSetPrivate(&pScreen->devPrivates, VGAarbiterScreenKey, pScreenPriv);
+
+        WRAP_SCREEN(CloseScreen, VGAarbiterCloseScreen);
+        WRAP_SCREEN(SaveScreen, VGAarbiterSaveScreen);
+        WRAP_SCREEN(WakeupHandler, VGAarbiterWakeupHandler);
+        WRAP_SCREEN(BlockHandler, VGAarbiterBlockHandler);
+        WRAP_SCREEN(CreateGC, VGAarbiterCreateGC);
+        WRAP_SCREEN(GetImage, VGAarbiterGetImage);
+        WRAP_SCREEN(GetSpans, VGAarbiterGetSpans);
+        WRAP_SCREEN(SourceValidate, VGAarbiterSourceValidate);
+        WRAP_SCREEN(CopyWindow, VGAarbiterCopyWindow);
+        WRAP_SCREEN(ClearToBackground, VGAarbiterClearToBackground);
+        WRAP_SCREEN(CreatePixmap, VGAarbiterCreatePixmap);
+        WRAP_SCREEN(StoreColors, VGAarbiterStoreColors);
+        WRAP_SCREEN(DisplayCursor, VGAarbiterDisplayCursor);
+        WRAP_SCREEN(RealizeCursor, VGAarbiterRealizeCursor);
+        WRAP_SCREEN(UnrealizeCursor, VGAarbiterUnrealizeCursor);
+        WRAP_SCREEN(RecolorCursor, VGAarbiterRecolorCursor);
+        WRAP_SCREEN(SetCursorPosition, VGAarbiterSetCursorPosition);
+        WRAP_PICT(Composite,VGAarbiterComposite);
+        WRAP_PICT(Glyphs,VGAarbiterGlyphs);
+        WRAP_PICT(CompositeRects,VGAarbiterCompositeRects);
+        WRAP_SCREEN_INFO(AdjustFrame, VGAarbiterAdjustFrame);
+        WRAP_SCREEN_INFO(SwitchMode, VGAarbiterSwitchMode);
+        WRAP_SCREEN_INFO(EnterVT, VGAarbiterEnterVT);
+        WRAP_SCREEN_INFO(LeaveVT, VGAarbiterLeaveVT);
+        WRAP_SCREEN_INFO(FreeScreen, VGAarbiterFreeScreen);
+        WRAP_SPRITE;
+    }
+
+    return TRUE;
+}
+
+/* Screen funcs */
+static Bool
+VGAarbiterCloseScreen (int i, ScreenPtr pScreen)
+{
+    Bool val;
+    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+        &pScreen->devPrivates, VGAarbiterScreenKey);
+    miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate(
+        &pScreen->devPrivates, miPointerScreenKey);
+    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);
+
+    UNWRAP_SCREEN(CreateGC);
+    UNWRAP_SCREEN(CloseScreen);
+    UNWRAP_SCREEN(GetImage);
+    UNWRAP_SCREEN(GetSpans);
+    UNWRAP_SCREEN(SourceValidate);
+    UNWRAP_SCREEN(CopyWindow);
+    UNWRAP_SCREEN(ClearToBackground);
+    UNWRAP_SCREEN(SaveScreen);
+    UNWRAP_SCREEN(StoreColors);
+    UNWRAP_SCREEN(DisplayCursor);
+    UNWRAP_SCREEN(RealizeCursor);
+    UNWRAP_SCREEN(UnrealizeCursor);
+    UNWRAP_SCREEN(RecolorCursor);
+    UNWRAP_SCREEN(SetCursorPosition);
+    UNWRAP_PICT(Composite);
+    UNWRAP_PICT(Glyphs);
+    UNWRAP_PICT(CompositeRects);
+    UNWRAP_SCREEN_INFO(AdjustFrame);
+    UNWRAP_SCREEN_INFO(SwitchMode);
+    UNWRAP_SCREEN_INFO(EnterVT);
+    UNWRAP_SCREEN_INFO(LeaveVT);
+    UNWRAP_SCREEN_INFO(FreeScreen);
+    UNWRAP_SPRITE;
+
+    free((pointer) pScreenPriv);
+    xf86VGAarbiterLock(xf86Screens[i]);
+    val = (*pScreen->CloseScreen) (i, pScreen);
+    xf86VGAarbiterUnlock(xf86Screens[i]);
+    return val;
+}
+
+static void
+VGAarbiterBlockHandler(int i,
+                       pointer blockData, pointer pTimeout, pointer pReadmask)
+{
+    ScreenPtr pScreen = screenInfo.screens[i];
+    SCREEN_PROLOG(BlockHandler);
+    VGAGet(pScreen);
+    pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);
+    VGAPut();
+    SCREEN_EPILOG(BlockHandler, VGAarbiterBlockHandler);
+}
+
+static void
+VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask)
+{
+    ScreenPtr pScreen = screenInfo.screens[i];
+    SCREEN_PROLOG(WakeupHandler);
+    VGAGet(pScreen);
+    pScreen->WakeupHandler(i, blockData, result, pReadmask);
+    VGAPut();
+    SCREEN_EPILOG(WakeupHandler, VGAarbiterWakeupHandler);
+}
+
+static void
+VGAarbiterGetImage (
+    DrawablePtr pDrawable,
+    int sx, int sy, int w, int h,
+    unsigned int    format,
+    unsigned long   planemask,
+    char        *pdstLine
+    )
+{
+    ScreenPtr pScreen = pDrawable->pScreen;
+    SCREEN_PROLOG(GetImage);
+//    if (xf86Screens[pScreen->myNum]->vtSema) {
+    VGAGet(pScreen);
+//    }
+    (*pScreen->GetImage) (pDrawable, sx, sy, w, h,
+              format, planemask, pdstLine);
+    VGAPut();
+    SCREEN_EPILOG (GetImage, VGAarbiterGetImage);
+}
+
+static void
+VGAarbiterGetSpans (
+    DrawablePtr pDrawable,
+    int     wMax,
+    DDXPointPtr ppt,
+    int     *pwidth,
+    int     nspans,
+    char    *pdstStart
+    )
+{
+    ScreenPtr       pScreen = pDrawable->pScreen;
+
+    SCREEN_PROLOG (GetSpans);
+    VGAGet(pScreen);
+    (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
+    VGAPut();
+    SCREEN_EPILOG (GetSpans, VGAarbiterGetSpans);
+}
+
+static void
+VGAarbiterSourceValidate (
+    DrawablePtr pDrawable,
+    int x, int y, int width, int height,
+    unsigned int subWindowMode )
+{
+    ScreenPtr   pScreen = pDrawable->pScreen;
+    SCREEN_PROLOG (SourceValidate);
+    VGAGet(pScreen);
+    if (pScreen->SourceValidate)
+    (*pScreen->SourceValidate) (pDrawable, x, y, width, height, subWindowMode);
+    VGAPut();
+    SCREEN_EPILOG (SourceValidate, VGAarbiterSourceValidate);
+}
+
+static void
+VGAarbiterCopyWindow(
+    WindowPtr pWin,
+    DDXPointRec ptOldOrg,
+    RegionPtr prgnSrc )
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+
+    SCREEN_PROLOG (CopyWindow);
+    VGAGet(pScreen);
+    (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
+    VGAPut();
+    SCREEN_EPILOG (CopyWindow, VGAarbiterCopyWindow);
+}
+
+static void
+VGAarbiterClearToBackground (
+    WindowPtr pWin,
+    int x, int y,
+    int w, int h,
+    Bool generateExposures )
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+
+    SCREEN_PROLOG ( ClearToBackground);
+    VGAGet(pScreen);
+    (*pScreen->ClearToBackground) (pWin, x, y, w, h, generateExposures);
+    VGAPut();
+    SCREEN_EPILOG (ClearToBackground, VGAarbiterClearToBackground);
+}
+
+static PixmapPtr
+VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h, int depth, unsigned class)
+{
+    PixmapPtr pPix;
+
+    SCREEN_PROLOG ( CreatePixmap);
+    VGAGet(pScreen);
+    pPix = (*pScreen->CreatePixmap) (pScreen, w, h, depth, class);
+    VGAPut();
+    SCREEN_EPILOG (CreatePixmap, VGAarbiterCreatePixmap);
+
+    return pPix;
+}
+
+static Bool
+VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank)
+{
+    Bool val;
+
+    SCREEN_PROLOG (SaveScreen);
+    VGAGet(pScreen);
+    val = (*pScreen->SaveScreen) (pScreen, unblank);
+    VGAPut();
+    SCREEN_EPILOG (SaveScreen, VGAarbiterSaveScreen);
+
+    return val;
+}
+
+static void
+VGAarbiterStoreColors (
+    ColormapPtr        pmap,
+    int                ndef,
+    xColorItem         *pdefs)
+{
+    ScreenPtr pScreen = pmap->pScreen;
+
+    SCREEN_PROLOG (StoreColors);
+    VGAGet(pScreen);
+    (*pScreen->StoreColors) (pmap,ndef,pdefs);
+    VGAPut();
+    SCREEN_EPILOG ( StoreColors, VGAarbiterStoreColors);
+}
+
+static void
+VGAarbiterRecolorCursor (
+    DeviceIntPtr pDev,
+    ScreenPtr pScreen,
+    CursorPtr pCurs,
+    Bool displayed
+    )
+{
+    SCREEN_PROLOG (RecolorCursor);
+    VGAGet(pScreen);
+    (*pScreen->RecolorCursor) (pDev, pScreen, pCurs, displayed);
+    VGAPut();
+    SCREEN_EPILOG ( RecolorCursor, VGAarbiterRecolorCursor);
+}
+
+static Bool
+VGAarbiterRealizeCursor (
+    DeviceIntPtr pDev,
+    ScreenPtr   pScreen,
+    CursorPtr   pCursor
+    )
+{
+    Bool val;
+
+    SCREEN_PROLOG (RealizeCursor);
+    VGAGet(pScreen);
+    val = (*pScreen->RealizeCursor) (pDev, pScreen,pCursor);
+    VGAPut();
+    SCREEN_EPILOG ( RealizeCursor, VGAarbiterRealizeCursor);
+    return val;
+}
+
+static Bool
+VGAarbiterUnrealizeCursor (
+    DeviceIntPtr pDev,
+    ScreenPtr   pScreen,
+    CursorPtr   pCursor
+    )
+{
+    Bool val;
+
+    SCREEN_PROLOG (UnrealizeCursor);
+    VGAGet(pScreen);
+    val = (*pScreen->UnrealizeCursor) (pDev, pScreen, pCursor);
+    VGAPut();
+    SCREEN_EPILOG ( UnrealizeCursor, VGAarbiterUnrealizeCursor);
+    return val;
+}
+
+static Bool
+VGAarbiterDisplayCursor (
+    DeviceIntPtr pDev,
+    ScreenPtr   pScreen,
+    CursorPtr   pCursor
+    )
+{
+    Bool val;
+
+    SCREEN_PROLOG (DisplayCursor);
+    VGAGet(pScreen);
+    val = (*pScreen->DisplayCursor) (pDev, pScreen, pCursor);
+    VGAPut();
+    SCREEN_EPILOG ( DisplayCursor, VGAarbiterDisplayCursor);
+    return val;
+}
+
+static Bool
+VGAarbiterSetCursorPosition (
+    DeviceIntPtr pDev,
+    ScreenPtr   pScreen,
+    int x, int y,
+    Bool generateEvent)
+{
+    Bool val;
+
+    SCREEN_PROLOG (SetCursorPosition);
+    VGAGet(pScreen);
+    val = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent);
+    VGAPut();
+    SCREEN_EPILOG ( SetCursorPosition, VGAarbiterSetCursorPosition);
+    return val;
+}
+
+static void
+VGAarbiterAdjustFrame(int index, int x, int y, int flags)
+{
+    ScreenPtr pScreen = screenInfo.screens[index];
+    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+        &pScreen->devPrivates, VGAarbiterScreenKey);
+
+    VGAGet(pScreen);
+    (*pScreenPriv->AdjustFrame)(index, x, y, flags);
+    VGAPut();
+}
+
+static Bool
+VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags)
+{
+    Bool val;
+    ScreenPtr pScreen = screenInfo.screens[index];
+    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+        &pScreen->devPrivates, VGAarbiterScreenKey);
+
+    VGAGet(pScreen);
+    val = (*pScreenPriv->SwitchMode)(index, mode, flags);
+    VGAPut();
+    return val;
+}
+
+static Bool
+VGAarbiterEnterVT(int index, int flags)
+{
+    Bool val;
+    ScrnInfoPtr pScrn = xf86Screens[index];
+    ScreenPtr pScreen = screenInfo.screens[index];
+    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+        &pScreen->devPrivates, VGAarbiterScreenKey);
+
+    VGAGet(pScreen);
+    pScrn->EnterVT = pScreenPriv->EnterVT;
+    val = (*pScrn->EnterVT)(index, flags);
+    pScreenPriv->EnterVT = pScrn->EnterVT;
+    pScrn->EnterVT = VGAarbiterEnterVT;
+    VGAPut();
+    return val;
+}
+
+static void
+VGAarbiterLeaveVT(int index, int flags)
+{
+    ScrnInfoPtr pScrn = xf86Screens[index];
+    ScreenPtr pScreen = screenInfo.screens[index];
+    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+        &pScreen->devPrivates, VGAarbiterScreenKey);
+
+    VGAGet(pScreen);
+    pScrn->LeaveVT = pScreenPriv->LeaveVT;
+    (*pScreenPriv->LeaveVT)(index, flags);
+    pScreenPriv->LeaveVT = pScrn->LeaveVT;
+    pScrn->LeaveVT = VGAarbiterLeaveVT;
+    VGAPut();
+}
+
+static void
+VGAarbiterFreeScreen(int index, int flags)
+{
+    ScreenPtr pScreen = screenInfo.screens[index];
+    VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
+        &pScreen->devPrivates, VGAarbiterScreenKey);
+
+    VGAGet(pScreen);
+    (*pScreenPriv->FreeScreen)(index, flags);
+    VGAPut();
+}
+
+static Bool
+VGAarbiterCreateGC(GCPtr pGC)
+{
+    ScreenPtr    pScreen = pGC->pScreen;
+    VGAarbiterGCPtr pGCPriv = (VGAarbiterGCPtr)dixLookupPrivate(&pGC->devPrivates, VGAarbiterGCKey);
+    Bool         ret;
+
+    SCREEN_PROLOG(CreateGC);
+    ret = (*pScreen->CreateGC)(pGC);
+    GC_WRAP(pGC);
+    SCREEN_EPILOG(CreateGC,VGAarbiterCreateGC);
+
+    return ret;
+}
+
+/* GC funcs */
+static void
+VGAarbiterValidateGC(
+   GCPtr         pGC,
+   unsigned long changes,
+   DrawablePtr   pDraw )
+{
+    GC_UNWRAP(pGC);
+    (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);
+    GC_WRAP(pGC);
+}
+
+
+static void
+VGAarbiterDestroyGC(GCPtr pGC)
+{
+    GC_UNWRAP (pGC);
+    (*pGC->funcs->DestroyGC)(pGC);
+    GC_WRAP (pGC);
+}
+
+static void
+VGAarbiterChangeGC (
+    GCPtr       pGC,
+    unsigned long   mask)
+{
+    GC_UNWRAP (pGC);
+    (*pGC->funcs->ChangeGC) (pGC, mask);
+    GC_WRAP (pGC);
+}
+
+static void
+VGAarbiterCopyGC (
+    GCPtr       pGCSrc,
+    unsigned long   mask,
+    GCPtr       pGCDst)
+{
+    GC_UNWRAP (pGCDst);
+    (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
+    GC_WRAP (pGCDst);
+}
+
+static void
+VGAarbiterChangeClip (
+    GCPtr   pGC,
+    int     type,
+    pointer pvalue,
+    int     nrects )
+{
+    GC_UNWRAP (pGC);
+    (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
+    GC_WRAP (pGC);
+}
+
+static void
+VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
+{
+    GC_UNWRAP (pgcDst);
+    (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
+    GC_WRAP (pgcDst);
+}
+
+static void
+VGAarbiterDestroyClip(GCPtr pGC)
+{
+    GC_UNWRAP (pGC);
+    (* pGC->funcs->DestroyClip)(pGC);
+    GC_WRAP (pGC);
+}
+
+/* GC Ops */
+static void
+VGAarbiterFillSpans(
+    DrawablePtr pDraw,
+    GC      *pGC,
+    int     nInit,
+    DDXPointPtr pptInit,
+    int *pwidthInit,
+    int fSorted )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterSetSpans(
+    DrawablePtr     pDraw,
+    GCPtr       pGC,
+    char        *pcharsrc,
+    register DDXPointPtr ppt,
+    int         *pwidth,
+    int         nspans,
+    int         fSorted )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, ppt, pwidth, nspans, fSorted);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPutImage(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     depth,
+    int x, int y, int w, int h,
+    int     leftPad,
+    int     format,
+    char    *pImage )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h,
+              leftPad, format, pImage);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static RegionPtr
+VGAarbiterCopyArea(
+    DrawablePtr pSrc,
+    DrawablePtr pDst,
+    GC *pGC,
+    int srcx, int srcy,
+    int width, int height,
+    int dstx, int dsty )
+{
+    RegionPtr ret;
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    ret = (*pGC->ops->CopyArea)(pSrc, pDst,
+                pGC, srcx, srcy, width, height, dstx, dsty);
+    VGAPut();
+    GC_WRAP(pGC);
+    return ret;
+}
+
+static RegionPtr
+VGAarbiterCopyPlane(
+    DrawablePtr pSrc,
+    DrawablePtr pDst,
+    GCPtr pGC,
+    int srcx, int srcy,
+    int width, int height,
+    int dstx, int dsty,
+    unsigned long bitPlane )
+{
+    RegionPtr ret;
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    ret = (*pGC->ops->CopyPlane)(pSrc, pDst, pGC, srcx, srcy,
+                 width, height, dstx, dsty, bitPlane);
+    VGAPut();
+    GC_WRAP(pGC);
+    return ret;
+}
+
+static void
+VGAarbiterPolyPoint(
+    DrawablePtr pDraw,
+    GCPtr pGC,
+    int mode,
+    int npt,
+    xPoint *pptInit )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PolyPoint)(pDraw, pGC, mode, npt, pptInit);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+
+static void
+VGAarbiterPolylines(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     mode,
+    int     npt,
+    DDXPointPtr pptInit )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->Polylines)(pDraw, pGC, mode, npt, pptInit);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolySegment(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     nseg,
+    xSegment    *pSeg )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PolySegment)(pDraw, pGC, nseg, pSeg);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyRectangle(
+    DrawablePtr  pDraw,
+    GCPtr        pGC,
+    int          nRectsInit,
+    xRectangle  *pRectsInit )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyArc(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     narcs,
+    xArc    *parcs )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PolyArc)(pDraw, pGC, narcs, parcs);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterFillPolygon(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     shape,
+    int     mode,
+    int     count,
+    DDXPointPtr ptsIn )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, ptsIn);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyFillRect(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     nrectFill,
+    xRectangle  *prectInit)
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PolyFillRect)(pDraw, pGC, nrectFill, prectInit);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyFillArc(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     narcs,
+    xArc    *parcs )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PolyFillArc)(pDraw, pGC, narcs, parcs);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static int
+VGAarbiterPolyText8(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     x,
+    int     y,
+    int     count,
+    char    *chars )
+{
+    int ret;
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    ret = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars);
+    VGAPut();
+    GC_WRAP(pGC);
+    return ret;
+}
+
+static int
+VGAarbiterPolyText16(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     x,
+    int     y,
+    int     count,
+    unsigned short *chars )
+{
+    int ret;
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    ret = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars);
+    VGAPut();
+    GC_WRAP(pGC);
+    return ret;
+}
+
+static void
+VGAarbiterImageText8(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     x,
+    int     y,
+    int     count,
+    char    *chars )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterImageText16(
+    DrawablePtr pDraw,
+    GCPtr   pGC,
+    int     x,
+    int     y,
+    int     count,
+    unsigned short *chars )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+
+static void
+VGAarbiterImageGlyphBlt(
+    DrawablePtr pDraw,
+    GCPtr pGC,
+    int xInit, int yInit,
+    unsigned int nglyph,
+    CharInfoPtr *ppci,
+    pointer pglyphBase )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, xInit, yInit,
+                   nglyph, ppci, pglyphBase);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPolyGlyphBlt(
+    DrawablePtr pDraw,
+    GCPtr pGC,
+    int xInit, int yInit,
+    unsigned int nglyph,
+    CharInfoPtr *ppci,
+    pointer pglyphBase )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, xInit, yInit,
+                  nglyph, ppci, pglyphBase);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+static void
+VGAarbiterPushPixels(
+    GCPtr   pGC,
+    PixmapPtr   pBitMap,
+    DrawablePtr pDraw,
+    int dx, int dy, int xOrg, int yOrg )
+{
+    ScreenPtr pScreen = pGC->pScreen;
+    GC_UNWRAP(pGC);
+    VGAGet(pScreen);
+    (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg);
+    VGAPut();
+    GC_WRAP(pGC);
+}
+
+
+/* miSpriteFuncs */
+static Bool
+VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)
+{
+    Bool val;
+    SPRITE_PROLOG;
+    VGAGet(pScreen);
+    val = PointPriv->spriteFuncs->RealizeCursor(pDev, pScreen, pCur);
+    VGAPut();
+    SPRITE_EPILOG;
+    return val;
+}
+
+static Bool
+VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur)
+{
+    Bool val;
+    SPRITE_PROLOG;
+    VGAGet(pScreen);
+    val = PointPriv->spriteFuncs->UnrealizeCursor(pDev, pScreen, pCur);
+    VGAPut();
+    SPRITE_EPILOG;
+    return val;
+}
+
+static void
+VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCur, int x, int y)
+{
+    SPRITE_PROLOG;
+    VGAGet(pScreen);
+    PointPriv->spriteFuncs->SetCursor(pDev, pScreen, pCur, x, y);
+    VGAPut();
+    SPRITE_EPILOG;
+}
+
+static void
+VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
+{
+    SPRITE_PROLOG;
+    VGAGet(pScreen);
+    PointPriv->spriteFuncs->MoveCursor(pDev, pScreen, x, y);
+    VGAPut();
+    SPRITE_EPILOG;
+}
+
+static Bool
+VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+    Bool val;
+    SPRITE_PROLOG;
+    VGAGet(pScreen);
+    val = PointPriv->spriteFuncs->DeviceCursorInitialize(pDev, pScreen);
+    VGAPut();
+    SPRITE_EPILOG;
+    return val;
+}
+
+static void
+VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+    SPRITE_PROLOG;
+    VGAGet(pScreen);
+    PointPriv->spriteFuncs->DeviceCursorCleanup(pDev, pScreen);
+    VGAPut();
+    SPRITE_EPILOG;
+}
+
+static void
+VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
+         PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask,
+         INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width,
+         CARD16 height)
+{
+    ScreenPtr       pScreen = pDst->pDrawable->pScreen;
+    PictureScreenPtr    ps = GetPictureScreen(pScreen);
+
+    PICTURE_PROLOGUE(Composite);
+
+    VGAGet(pScreen);
+    (*ps->Composite) (op, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask, xDst,
+              yDst, width, height);
+    VGAPut();
+    PICTURE_EPILOGUE(Composite, VGAarbiterComposite);
+}
+
+static void
+VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+      PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist,
+      GlyphListPtr list, GlyphPtr *glyphs)
+{
+    ScreenPtr       pScreen = pDst->pDrawable->pScreen;
+    PictureScreenPtr    ps = GetPictureScreen(pScreen);
+
+    PICTURE_PROLOGUE(Glyphs);
+
+    VGAGet(pScreen);
+    (*ps->Glyphs)(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
+    VGAPut();
+    PICTURE_EPILOGUE (Glyphs, VGAarbiterGlyphs);
+}
+
+static void
+VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor *color, int nRect,
+          xRectangle *rects)
+{
+    ScreenPtr       pScreen = pDst->pDrawable->pScreen;
+    PictureScreenPtr    ps = GetPictureScreen(pScreen);
+
+    PICTURE_PROLOGUE(CompositeRects);
+
+    VGAGet(pScreen);
+    (*ps->CompositeRects)(op, pDst, color, nRect, rects);
+    VGAPut();
+    PICTURE_EPILOGUE (CompositeRects, VGAarbiterCompositeRects);
+}
+#else
+/* dummy functions */
+void xf86VGAarbiterInit(void) {}
+void xf86VGAarbiterFini(void) {}
+
+void xf86VGAarbiterLock(ScrnInfoPtr pScrn) {}
+void xf86VGAarbiterUnlock(ScrnInfoPtr pScrn) {}
+Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen) { return TRUE; }
+void xf86VGAarbiterScrnInit(ScrnInfoPtr pScrn) {}
+void xf86VGAarbiterDeviceDecodes(ScrnInfoPtr pScrn, int rsrc) {}
+Bool xf86VGAarbiterWrapFunctions(void) { return FALSE; }
+
+#endif
diff --git a/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h b/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h
index 13fde5e79..e1ac20f1f 100644
--- a/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h
+++ b/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h
@@ -1,253 +1,253 @@
-/*

- * Copyright (c) 2009 Tiago Vignatti

- *

- * 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 AUTHORS OR COPYRIGHT

- * HOLDERS 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.

- *

- */

-

-#ifdef HAVE_XORG_CONFIG_H

-#include <xorg-config.h>

-#endif

-

-#include "misc.h"

-#include "xf86.h"

-#include "xf86_OSproc.h"

-#include <X11/X.h>

-#include "colormapst.h"

-#include "scrnintstr.h"

-#include "screenint.h"

-#include "gcstruct.h"

-#include "pixmapstr.h"

-#include "pixmap.h"

-#include "windowstr.h"

-#include "window.h"

-#include "xf86str.h"

-#include "mipointer.h"

-#include "mipointrst.h"

-# include "picturestr.h"

-

-

-#define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}

-

-#define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x

-

-#define SCREEN_PROLOG(x) pScreen->x = ((VGAarbiterScreenPtr) \

-    dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))->x

-

-#define SCREEN_EPILOG(x,y) pScreen->x = y;

-

-#define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\

-    ps->x = y;}

-

-#define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}

-

-#define PICTURE_PROLOGUE(field) ps->field = \

-    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \

-    VGAarbiterScreenKey))->field

-

-#define PICTURE_EPILOGUE(field, wrap) ps->field = wrap

-

-#define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)

-

-#define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x

-

-#define SPRITE_PROLOG miPointerScreenPtr PointPriv = \

-    (miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates, \

-    miPointerScreenKey); VGAarbiterScreenPtr pScreenPriv = \

-    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \

-    VGAarbiterScreenKey)); PointPriv->spriteFuncs = pScreenPriv->miSprite;

-

-#define SPRITE_EPILOG pScreenPriv->miSprite = PointPriv->spriteFuncs;\

-    PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs;

-

-#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\

-    	PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs; 		\

-	} while (0)

-

-#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite

-

-#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\

-    pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\

-    (x)->funcs = &VGAarbiterGCFuncs;

-

-#define GC_UNWRAP(x) VGAarbiterGCPtr  pGCPriv = \

-    (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\

-    (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;

-

-static inline void

-VGAGet(ScreenPtr pScreen) {

-    pci_device_vgaarb_set_target(xf86Screens[pScreen->myNum]->vgaDev);

-    pci_device_vgaarb_lock();

-}

-

-static inline void

-VGAPut(void) {

-    pci_device_vgaarb_unlock();

-}

-

-typedef struct _VGAarbiterScreen {

-    CreateGCProcPtr             CreateGC;

-    CloseScreenProcPtr          CloseScreen;

-    ScreenBlockHandlerProcPtr   BlockHandler;

-    ScreenWakeupHandlerProcPtr  WakeupHandler;

-    GetImageProcPtr             GetImage;

-    GetSpansProcPtr             GetSpans;

-    SourceValidateProcPtr       SourceValidate;

-    CopyWindowProcPtr           CopyWindow;

-    ClearToBackgroundProcPtr    ClearToBackground;

-    CreatePixmapProcPtr         CreatePixmap;

-    SaveScreenProcPtr           SaveScreen;

-    /* Colormap */

-    StoreColorsProcPtr          StoreColors;

-    /* Cursor */

-    DisplayCursorProcPtr        DisplayCursor;

-    RealizeCursorProcPtr        RealizeCursor;

-    UnrealizeCursorProcPtr      UnrealizeCursor;

-    RecolorCursorProcPtr        RecolorCursor;

-    SetCursorPositionProcPtr    SetCursorPosition;

-    void                        (*AdjustFrame)(int,int,int,int);

-    Bool                        (*SwitchMode)(int, DisplayModePtr,int);

-    Bool                        (*EnterVT)(int, int);

-    void                        (*LeaveVT)(int, int);

-    void                        (*FreeScreen)(int, int);

-    miPointerSpriteFuncPtr      miSprite;

-    CompositeProcPtr            Composite;

-    GlyphsProcPtr               Glyphs;

-    CompositeRectsProcPtr       CompositeRects;

-} VGAarbiterScreenRec, *VGAarbiterScreenPtr;

-

-typedef struct _VGAarbiterGC {

-    GCOps                       *wrapOps;

-    GCFuncs                     *wrapFuncs;

-} VGAarbiterGCRec, *VGAarbiterGCPtr;

-

-/* Screen funcs */

-static void VGAarbiterBlockHandler(int i, pointer blockData, pointer pTimeout, pointer pReadmask);

-static void VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask);

-static Bool VGAarbiterCloseScreen (int i, ScreenPtr pScreen);

-static void VGAarbiterGetImage (DrawablePtr pDrawable, int sx, int sy, int w,

-    int h, unsigned int format, unsigned long planemask, char *pdstLine);

-static void VGAarbiterGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr

-    ppt, int *pwidth, int nspans, char  *pdstStart);

-static void VGAarbiterSourceValidate (DrawablePtr pDrawable, int x, int y,

-    int width, int height, unsigned int subWindowMode);

-static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,

-    RegionPtr prgnSrc);

-static void VGAarbiterClearToBackground (WindowPtr pWin, int x, int y, int w,

-    int h, Bool generateExposures);

-static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,

-    int depth, unsigned int usage_hint);

-static Bool  VGAarbiterCreateGC(GCPtr pGC);

-static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);

-static void VGAarbiterStoreColors (ColormapPtr pmap, int ndef, xColorItem

-    *pdefs);

-static void VGAarbiterRecolorCursor (DeviceIntPtr pDev, ScreenPtr pScreen,

-    CursorPtr pCurs, Bool displayed);

-static Bool VGAarbiterRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,

-    CursorPtr pCursor);

-static Bool VGAarbiterUnrealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,

-    CursorPtr pCursor);

-static Bool VGAarbiterDisplayCursor (DeviceIntPtr pDev, ScreenPtr pScreen,

-    CursorPtr pCursor);

-static Bool VGAarbiterSetCursorPosition (DeviceIntPtr pDev, ScreenPtr

-    pScreen, int x, int y, Bool generateEvent);

-static void VGAarbiterAdjustFrame(int index, int x, int y, int flags);

-static Bool VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags);

-static Bool VGAarbiterEnterVT(int index, int flags);

-static void VGAarbiterLeaveVT(int index, int flags);

-static void VGAarbiterFreeScreen(int index, int flags);

-

-/* GC funcs */

-static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,

-    DrawablePtr pDraw);

-static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);

-static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);

-static void VGAarbiterDestroyGC(GCPtr pGC);

-static void VGAarbiterChangeClip(GCPtr pGC, int type, pointer pvalue,

-    int nrects);

-static void VGAarbiterDestroyClip(GCPtr pGC);

-static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);

-

-/* GC ops */

-static void VGAarbiterFillSpans( DrawablePtr pDraw, GC *pGC, int nInit,

-    DDXPointPtr pptInit, int *pwidthInit, int fSorted);

-static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,

-    register DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);

-static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth,

-    int x, int y, int w, int h, int leftPad, int format, char *pImage);

-static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,

-    GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty);

-static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,

-    GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty,

-    unsigned long bitPlane);

-static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode,

-    int npt, xPoint *pptInit);

-static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode,

-    int npt, DDXPointPtr pptInit);

-static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,

-    xSegment *pSeg);

-static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,

-    int nRectsInit, xRectangle *pRectsInit);

-static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,

-    xArc *parcs);

-static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,

-    int mode, int count, DDXPointPtr ptsIn);

-static void VGAarbiterPolyFillRect( DrawablePtr pDraw, GCPtr pGC,

-    int nrectFill, xRectangle *prectInit);

-static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,

-    xArc *parcs);

-static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,

-    int count, char *chars);

-static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,

-    int count, unsigned short *chars);

-static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,

-    int count, char *chars);

-static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,

-    int count, unsigned short *chars);

-static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,

-    int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);

-static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,

-    int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);

-static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr

-    pDraw, int dx, int dy, int xOrg, int yOrg);

-

-/* miSpriteFuncs */

-static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr

-    pScreen, CursorPtr pCur);

-static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr

-    pScreen, CursorPtr pCur);

-static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,

-    CursorPtr pCur, int x, int y);

-static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,

-    int x, int y);

-static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);

-static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);

-

-

-static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,

-    PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,

-    INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);

-static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,

-    PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist, GlyphListPtr

-    list, GlyphPtr *glyphs);

-static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor

-    *color, int nRect, xRectangle *rects);

+/*
+ * Copyright (c) 2009 Tiago Vignatti
+ *
+ * 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 AUTHORS OR COPYRIGHT
+ * HOLDERS 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.
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include <X11/X.h>
+#include "colormapst.h"
+#include "scrnintstr.h"
+#include "screenint.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "pixmap.h"
+#include "windowstr.h"
+#include "window.h"
+#include "xf86str.h"
+#include "mipointer.h"
+#include "mipointrst.h"
+# include "picturestr.h"
+
+
+#define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}
+
+#define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x
+
+#define SCREEN_PROLOG(x) pScreen->x = ((VGAarbiterScreenPtr) \
+    dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))->x
+
+#define SCREEN_EPILOG(x,y) pScreen->x = y;
+
+#define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\
+    ps->x = y;}
+
+#define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}
+
+#define PICTURE_PROLOGUE(field) ps->field = \
+    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
+    VGAarbiterScreenKey))->field
+
+#define PICTURE_EPILOGUE(field, wrap) ps->field = wrap
+
+#define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)
+
+#define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x
+
+#define SPRITE_PROLOG miPointerScreenPtr PointPriv = \
+    (miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates, \
+    miPointerScreenKey); VGAarbiterScreenPtr pScreenPriv = \
+    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
+    VGAarbiterScreenKey)); PointPriv->spriteFuncs = pScreenPriv->miSprite;
+
+#define SPRITE_EPILOG pScreenPriv->miSprite = PointPriv->spriteFuncs;\
+    PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs;
+
+#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
+    	PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs; 		\
+	} while (0)
+
+#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
+
+#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
+    pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
+    (x)->funcs = &VGAarbiterGCFuncs;
+
+#define GC_UNWRAP(x) VGAarbiterGCPtr  pGCPriv = \
+    (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
+    (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
+
+static inline void
+VGAGet(ScreenPtr pScreen) {
+    pci_device_vgaarb_set_target(xf86Screens[pScreen->myNum]->vgaDev);
+    pci_device_vgaarb_lock();
+}
+
+static inline void
+VGAPut(void) {
+    pci_device_vgaarb_unlock();
+}
+
+typedef struct _VGAarbiterScreen {
+    CreateGCProcPtr             CreateGC;
+    CloseScreenProcPtr          CloseScreen;
+    ScreenBlockHandlerProcPtr   BlockHandler;
+    ScreenWakeupHandlerProcPtr  WakeupHandler;
+    GetImageProcPtr             GetImage;
+    GetSpansProcPtr             GetSpans;
+    SourceValidateProcPtr       SourceValidate;
+    CopyWindowProcPtr           CopyWindow;
+    ClearToBackgroundProcPtr    ClearToBackground;
+    CreatePixmapProcPtr         CreatePixmap;
+    SaveScreenProcPtr           SaveScreen;
+    /* Colormap */
+    StoreColorsProcPtr          StoreColors;
+    /* Cursor */
+    DisplayCursorProcPtr        DisplayCursor;
+    RealizeCursorProcPtr        RealizeCursor;
+    UnrealizeCursorProcPtr      UnrealizeCursor;
+    RecolorCursorProcPtr        RecolorCursor;
+    SetCursorPositionProcPtr    SetCursorPosition;
+    void                        (*AdjustFrame)(int,int,int,int);
+    Bool                        (*SwitchMode)(int, DisplayModePtr,int);
+    Bool                        (*EnterVT)(int, int);
+    void                        (*LeaveVT)(int, int);
+    void                        (*FreeScreen)(int, int);
+    miPointerSpriteFuncPtr      miSprite;
+    CompositeProcPtr            Composite;
+    GlyphsProcPtr               Glyphs;
+    CompositeRectsProcPtr       CompositeRects;
+} VGAarbiterScreenRec, *VGAarbiterScreenPtr;
+
+typedef struct _VGAarbiterGC {
+    GCOps                       *wrapOps;
+    GCFuncs                     *wrapFuncs;
+} VGAarbiterGCRec, *VGAarbiterGCPtr;
+
+/* Screen funcs */
+static void VGAarbiterBlockHandler(int i, pointer blockData, pointer pTimeout, pointer pReadmask);
+static void VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask);
+static Bool VGAarbiterCloseScreen (int i, ScreenPtr pScreen);
+static void VGAarbiterGetImage (DrawablePtr pDrawable, int sx, int sy, int w,
+    int h, unsigned int format, unsigned long planemask, char *pdstLine);
+static void VGAarbiterGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr
+    ppt, int *pwidth, int nspans, char  *pdstStart);
+static void VGAarbiterSourceValidate (DrawablePtr pDrawable, int x, int y,
+    int width, int height, unsigned int subWindowMode);
+static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
+    RegionPtr prgnSrc);
+static void VGAarbiterClearToBackground (WindowPtr pWin, int x, int y, int w,
+    int h, Bool generateExposures);
+static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
+    int depth, unsigned int class);
+static Bool  VGAarbiterCreateGC(GCPtr pGC);
+static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
+static void VGAarbiterStoreColors (ColormapPtr pmap, int ndef, xColorItem
+    *pdefs);
+static void VGAarbiterRecolorCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
+    CursorPtr pCurs, Bool displayed);
+static Bool VGAarbiterRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
+    CursorPtr pCursor);
+static Bool VGAarbiterUnrealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
+    CursorPtr pCursor);
+static Bool VGAarbiterDisplayCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
+    CursorPtr pCursor);
+static Bool VGAarbiterSetCursorPosition (DeviceIntPtr pDev, ScreenPtr
+    pScreen, int x, int y, Bool generateEvent);
+static void VGAarbiterAdjustFrame(int index, int x, int y, int flags);
+static Bool VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags);
+static Bool VGAarbiterEnterVT(int index, int flags);
+static void VGAarbiterLeaveVT(int index, int flags);
+static void VGAarbiterFreeScreen(int index, int flags);
+
+/* GC funcs */
+static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
+    DrawablePtr pDraw);
+static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
+static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
+static void VGAarbiterDestroyGC(GCPtr pGC);
+static void VGAarbiterChangeClip(GCPtr pGC, int type, pointer pvalue,
+    int nrects);
+static void VGAarbiterDestroyClip(GCPtr pGC);
+static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
+
+/* GC ops */
+static void VGAarbiterFillSpans( DrawablePtr pDraw, GC *pGC, int nInit,
+    DDXPointPtr pptInit, int *pwidthInit, int fSorted);
+static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
+    register DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
+static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth,
+    int x, int y, int w, int h, int leftPad, int format, char *pImage);
+static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
+    GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty);
+static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
+    GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty,
+    unsigned long bitPlane);
+static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode,
+    int npt, xPoint *pptInit);
+static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode,
+    int npt, DDXPointPtr pptInit);
+static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
+    xSegment *pSeg);
+static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
+    int nRectsInit, xRectangle *pRectsInit);
+static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
+    xArc *parcs);
+static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
+    int mode, int count, DDXPointPtr ptsIn);
+static void VGAarbiterPolyFillRect( DrawablePtr pDraw, GCPtr pGC,
+    int nrectFill, xRectangle *prectInit);
+static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
+    xArc *parcs);
+static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+    int count, char *chars);
+static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+    int count, unsigned short *chars);
+static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+    int count, char *chars);
+static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+    int count, unsigned short *chars);
+static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
+    int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
+static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
+    int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
+static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
+    pDraw, int dx, int dy, int xOrg, int yOrg);
+
+/* miSpriteFuncs */
+static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
+    pScreen, CursorPtr pCur);
+static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
+    pScreen, CursorPtr pCur);
+static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+    CursorPtr pCur, int x, int y);
+static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+    int x, int y);
+static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
+static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
+
+
+static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
+    PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
+    INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
+static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+    PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist, GlyphListPtr
+    list, GlyphPtr *glyphs);
+static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor
+    *color, int nRect, xRectangle *rects);