xserver libX11 libxcb pixman mesa git update 20 Mar 2011

1 files changed, 635 insertions, 635 deletions

diff --git a/xorg-server/hw/xfree86/xaa/xaaInit.c b/xorg-server/hw/xfree86/xaa/xaaInit.c
index dcbd5aba0..ff1dd3d8b 100644
--- a/xorg-server/hw/xfree86/xaa/xaaInit.c
+++ b/xorg-server/hw/xfree86/xaa/xaaInit.c
@@ -1,635 +1,635 @@
-
-#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 "scrnintstr.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-#include "xf86str.h"
-#include "mi.h"
-#include "miline.h"
-#include "xaa.h"
-#include "xaalocal.h"
-#include "xaawrap.h"
-#include "xf86fbman.h"
-#include "servermd.h"
-#ifdef COMPOSITE
-#include "cw.h"
-#endif
-
-#define MAX_PREALLOC_MEM	65536	/* MUST be >= 1024 */
-
-#define MIN_OFFPIX_SIZE		(320*200)
-
-static Bool XAACloseScreen(int i, ScreenPtr pScreen);
-static void XAAGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
-			unsigned int format, unsigned long planemask,
-			char *pdstLine);
-static void XAAGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
-			int *pwidth, int nspans, char *pdstStart);
-static PixmapPtr XAACreatePixmap(ScreenPtr pScreen, int w, int h, int depth,
-				 unsigned class);
-static Bool XAADestroyPixmap(PixmapPtr pPixmap);
-static Bool XAAEnterVT (int index, int flags);
-static void XAALeaveVT (int index, int flags);
-static int  XAASetDGAMode(int index, int num, DGADevicePtr devRet);
-static void XAAEnableDisableFBAccess (int index, Bool enable);
-static Bool XAAChangeWindowAttributes (WindowPtr pWin, unsigned long mask);
-
-static DevPrivateKeyRec XAAScreenKeyRec;
-#define XAAScreenKey (&XAAScreenKeyRec)
-static DevPrivateKeyRec XAAGCKeyRec;
-#define XAAGCKey (&XAAGCKeyRec)
-static DevPrivateKeyRec XAAPixmapKeyRec;
-#define XAAPixmapKey (&XAAPixmapKeyRec)
-
-DevPrivateKey XAAGetScreenKey(void) {
-    return XAAScreenKey;
-}
-
-DevPrivateKey XAAGetGCKey(void) {
-    return XAAGCKey;
-}
-
-DevPrivateKey XAAGetPixmapKey(void) {
-    return XAAPixmapKey;
-}
-
-/* temp kludge */
-static Bool SwitchedOut = FALSE;
-
-XAAInfoRecPtr
-XAACreateInfoRec(void)
-{
-    XAAInfoRecPtr infoRec;
-
-    infoRec = calloc(1, sizeof(XAAInfoRec));
-    if(infoRec)
-	infoRec->CachePixelGranularity = -1;
-
-    return infoRec;
-}
-
-void
-XAADestroyInfoRec(XAAInfoRecPtr infoRec)
-{
-    if(!infoRec) return;
-
-    if(infoRec->ClosePixmapCache)
-	(*infoRec->ClosePixmapCache)(infoRec->pScrn->pScreen);
-   
-    free(infoRec->PreAllocMem);
-
-    free(infoRec->PixmapCachePrivate);
-
-    free(infoRec);
-}
-
-
-Bool
-XAAInit(ScreenPtr pScreen, XAAInfoRecPtr infoRec)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    XAAScreenPtr pScreenPriv;
-    int i;
-    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);
-
-    /* Return successfully if no acceleration wanted */
-    if (!infoRec)
-	return TRUE;
-    
-    if (!dixRegisterPrivateKey(&XAAGCKeyRec, PRIVATE_GC, sizeof(XAAGCRec)))
-	return FALSE;
-
-    if (!dixRegisterPrivateKey(&XAAPixmapKeyRec, PRIVATE_PIXMAP, sizeof(XAAPixmapRec)))
-	return FALSE;
-
-    if (!dixRegisterPrivateKey(&XAAScreenKeyRec, PRIVATE_SCREEN, 0))
-	return FALSE;
-
-    if (!(pScreenPriv = malloc(sizeof(XAAScreenRec))))
-	return FALSE;
-
-    dixSetPrivate(&pScreen->devPrivates, XAAScreenKey, pScreenPriv);
-
-    if(!xf86FBManagerRunning(pScreen))
-	infoRec->Flags &= ~(PIXMAP_CACHE | OFFSCREEN_PIXMAPS);
-    if(!(infoRec->Flags & LINEAR_FRAMEBUFFER))
-	infoRec->Flags &= ~OFFSCREEN_PIXMAPS;
-   
-    if(!infoRec->FullPlanemask) { /* for backwards compatibility */
-	infoRec->FullPlanemask =  (1 << pScrn->depth) - 1;
-	infoRec->FullPlanemasks[pScrn->depth - 1] = infoRec->FullPlanemask;
-    }
-
-    for(i = 0; i < 32; i++) {
-	if(!infoRec->FullPlanemasks[i]) /* keep any set by caller */
-	    infoRec->FullPlanemasks[i] = (1 << (i+1)) - 1;	
-    }
-
-    if(!XAAInitAccel(pScreen, infoRec)) return FALSE;
-    pScreenPriv->AccelInfoRec = infoRec;
-    infoRec->ScratchGC.pScreen = pScreen;
-
-    
-    if(!infoRec->GetImage)
-	infoRec->GetImage = XAAGetImage;
-    if(!infoRec->GetSpans)
-	infoRec->GetSpans = XAAGetSpans;
-    if(!infoRec->CopyWindow)
-	infoRec->CopyWindow = XAACopyWindow;
-
-    pScreenPriv->CreateGC = pScreen->CreateGC;
-    pScreen->CreateGC = XAACreateGC;
-    pScreenPriv->CloseScreen = pScreen->CloseScreen;
-    pScreen->CloseScreen = XAACloseScreen;
-    pScreenPriv->GetImage = pScreen->GetImage;
-    pScreen->GetImage = infoRec->GetImage;
-    pScreenPriv->GetSpans = pScreen->GetSpans;
-    pScreen->GetSpans = infoRec->GetSpans;
-    pScreenPriv->CopyWindow = pScreen->CopyWindow;
-    pScreen->CopyWindow = infoRec->CopyWindow;
-    pScreenPriv->CreatePixmap = pScreen->CreatePixmap;
-    pScreen->CreatePixmap = XAACreatePixmap;
-    pScreenPriv->DestroyPixmap = pScreen->DestroyPixmap;
-    pScreen->DestroyPixmap = XAADestroyPixmap;
-    pScreenPriv->ChangeWindowAttributes = pScreen->ChangeWindowAttributes;
-    pScreen->ChangeWindowAttributes = XAAChangeWindowAttributes;
-
-    pScreenPriv->EnterVT = pScrn->EnterVT;
-    pScrn->EnterVT = XAAEnterVT; 
-    pScreenPriv->LeaveVT = pScrn->LeaveVT;
-    pScrn->LeaveVT = XAALeaveVT;
-    pScreenPriv->SetDGAMode = pScrn->SetDGAMode;
-    pScrn->SetDGAMode = XAASetDGAMode;
-    pScreenPriv->EnableDisableFBAccess = pScrn->EnableDisableFBAccess;
-    pScrn->EnableDisableFBAccess = XAAEnableDisableFBAccess;
-
-    pScreenPriv->WindowExposures = pScreen->WindowExposures;
-    if (ps)
-    {
-	pScreenPriv->Composite = ps->Composite;
-	ps->Composite = XAAComposite;
-	pScreenPriv->Glyphs = ps->Glyphs;
-	ps->Glyphs = XAAGlyphs;
-    }
-    if(pScrn->overlayFlags & OVERLAY_8_32_PLANAR)
-        XAASetupOverlay8_32Planar(pScreen);
-
-    infoRec->PreAllocMem = malloc(MAX_PREALLOC_MEM);
-    if(infoRec->PreAllocMem)
-    	infoRec->PreAllocSize = MAX_PREALLOC_MEM;
-
-    if(infoRec->Flags & PIXMAP_CACHE) 
-	xf86RegisterFreeBoxCallback(pScreen, infoRec->InitPixmapCache,
-						(pointer)infoRec);
-
-    if(infoRec->Flags & MICROSOFT_ZERO_LINE_BIAS)
-	miSetZeroLineBias(pScreen, OCTANT1 | OCTANT2 | OCTANT3 | OCTANT4);
-
-#ifdef COMPOSITE
-    /* Initialize the composite wrapper.  This needs to happen after the
-     * wrapping above (so it comes before us), but before all other extensions,
-     * so it doesn't confuse them. (particularly damage).
-     */
-    miInitializeCompositeWrapper(pScreen);
-#endif
-
-    return TRUE;
-}
-
-
-
-static Bool
-XAACloseScreen (int i, ScreenPtr pScreen)
-{
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    XAAScreenPtr pScreenPriv = 
-	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
-
-    pScrn->EnterVT = pScreenPriv->EnterVT; 
-    pScrn->LeaveVT = pScreenPriv->LeaveVT; 
-    pScrn->EnableDisableFBAccess = pScreenPriv->EnableDisableFBAccess;
-   
-    pScreen->CreateGC = pScreenPriv->CreateGC;
-    pScreen->CloseScreen = pScreenPriv->CloseScreen;
-    pScreen->GetImage = pScreenPriv->GetImage;
-    pScreen->GetSpans = pScreenPriv->GetSpans;
-    pScreen->CopyWindow = pScreenPriv->CopyWindow;
-    pScreen->WindowExposures = pScreenPriv->WindowExposures;
-    pScreen->CreatePixmap = pScreenPriv->CreatePixmap;
-    pScreen->DestroyPixmap = pScreenPriv->DestroyPixmap;
-    pScreen->ChangeWindowAttributes = pScreenPriv->ChangeWindowAttributes;
-
-    /* We leave it up to the client to free the XAAInfoRec */
-
-    free((pointer) pScreenPriv);
-
-    return (*pScreen->CloseScreen) (i, pScreen);
-}
-
-static void
-XAAGetImage (
-    DrawablePtr pDraw,
-    int	sx, int sy, int w, int h,
-    unsigned int    format,
-    unsigned long   planemask,
-    char	    *pdstLine 
-)
-{
-    ScreenPtr pScreen = pDraw->pScreen;
-    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
-    ScrnInfoPtr pScrn = infoRec->pScrn;
-
-    if(pScrn->vtSema && 
-	((pDraw->type == DRAWABLE_WINDOW) || IS_OFFSCREEN_PIXMAP(pDraw))) 
-    {
-	if(infoRec->ReadPixmap && (format == ZPixmap) && 
-	   ((planemask & infoRec->FullPlanemasks[pDraw->depth - 1]) == 
-                           infoRec->FullPlanemasks[pDraw->depth - 1]) &&
-	   (pDraw->bitsPerPixel == BitsPerPixel(pDraw->depth)))
-	{
-	    (*infoRec->ReadPixmap)(pScrn, 
-		   sx + pDraw->x, sy + pDraw->y, w, h,
-		   (unsigned char *)pdstLine,
-		   PixmapBytePad(w, pDraw->depth), 
-		   pDraw->bitsPerPixel, pDraw->depth);
-	    return;
-	}
-	SYNC_CHECK(pDraw);
-    }
-
-    XAA_SCREEN_PROLOGUE (pScreen, GetImage);
-    (*pScreen->GetImage) (pDraw, sx, sy, w, h, format, planemask, pdstLine);
-    XAA_SCREEN_EPILOGUE (pScreen, GetImage, XAAGetImage);
-}
-
-static void
-XAAGetSpans (
-    DrawablePtr pDraw,
-    int		wMax,
-    DDXPointPtr	ppt,
-    int		*pwidth,
-    int		nspans,
-    char	*pdstStart
-)
-{
-    ScreenPtr pScreen = pDraw->pScreen;
-    XAA_SCREEN_PROLOGUE (pScreen, GetSpans);
-    if(xf86Screens[pScreen->myNum]->vtSema && 
-	((pDraw->type == DRAWABLE_WINDOW) || IS_OFFSCREEN_PIXMAP(pDraw))) {
-	SYNC_CHECK(pDraw);
-    }
-    (*pScreen->GetSpans) (pDraw, wMax, ppt, pwidth, nspans, pdstStart);
-    XAA_SCREEN_EPILOGUE (pScreen, GetSpans, XAAGetSpans);
-}
-
-
-static int
-XAAPixmapBPP (ScreenPtr pScreen, int depth)
-{
-    PixmapPtr	pPix;
-    int		bpp;
-    DestroyPixmapProcPtr    destroyPixmap;
-    
-    XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);
-    pPix = (*pScreen->CreatePixmap) (pScreen, 1, 1, depth,
-				     CREATE_PIXMAP_USAGE_SCRATCH);
-    XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);
-    if (!pPix)
-	return 0;
-    bpp = pPix->drawable.bitsPerPixel;
-    destroyPixmap = pScreen->DestroyPixmap;
-    XAA_SCREEN_PROLOGUE (pScreen, DestroyPixmap);
-    (*pScreen->DestroyPixmap) (pPix);
-    XAA_SCREEN_EPILOGUE (pScreen, DestroyPixmap, destroyPixmap);
-    return bpp;
-}
-
-static void
-XAAInitializeOffscreenDepths (ScreenPtr pScreen)
-{
-    XAAInfoRecPtr   infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
-    ScrnInfoPtr	    pScrn = xf86Screens[pScreen->myNum];
-    int		    d, dep;
-    
-    infoRec->offscreenDepthsInitialized = TRUE;
-    infoRec->offscreenDepths = 0;
-    if (infoRec->Flags & OFFSCREEN_PIXMAPS) {
-	for (d = 0; d < pScreen->numDepths; d++) {
-	    dep = pScreen->allowedDepths[d].depth;
-	    if (XAAPixmapBPP (pScreen, dep) == pScrn->bitsPerPixel)
-		infoRec->offscreenDepths |= (1 << (dep - 1));
-	}
-    }
-}
-
-static PixmapPtr 
-XAACreatePixmap(ScreenPtr pScreen, int w, int h, int depth, unsigned class)
-{
-    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
-    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    XAAPixmapPtr pPriv;
-    PixmapPtr pPix = NULL;
-    int size = w * h;
-
-    if (w > 32767 || h > 32767)
-	return NullPixmap;
-    
-    if (!infoRec->offscreenDepthsInitialized)
-	XAAInitializeOffscreenDepths (pScreen);
-
-    if(pScrn->vtSema &&
-	(class != CREATE_PIXMAP_USAGE_GLYPH_PICTURE) &&
-	(infoRec->offscreenDepths & (1 << (depth - 1))) &&
-	(size >= MIN_OFFPIX_SIZE) && !SwitchedOut &&
-	(!infoRec->maxOffPixWidth || (w <= infoRec->maxOffPixWidth)) &&
-	(!infoRec->maxOffPixHeight || (h <= infoRec->maxOffPixHeight)) )
-    {
-        PixmapLinkPtr pLink;
-	PixmapPtr pScreenPix;
-        FBAreaPtr area;
-        int gran = 0;
-
-	switch(pScrn->bitsPerPixel) {
-        case 24: 
-        case 8:  gran = 4;  break;
-        case 16: gran = 2;  break;
-        case 32: gran = 1;  break;
-        default: break;
-        }
-
-        if(BITMAP_SCANLINE_PAD == 64)
-           gran *= 2;
-
-        if(!(area = xf86AllocateOffscreenArea(pScreen, w, h, gran, 0,
-                                XAARemoveAreaCallback, NULL))) {
-	    goto BAILOUT;
-	}
-
-        if(!(pLink = malloc(sizeof(PixmapLink)))) {
-            xf86FreeOffscreenArea(area);
-	    goto BAILOUT;
-	}
-
-	XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);
-	pPix = (*pScreen->CreatePixmap) (pScreen, 0, 0, depth, class);
-	XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);
-
-	if (!pPix) {
-	    free(pLink);
-            xf86FreeOffscreenArea(area);
-	    goto BAILOUT;
-	}
-	
-	pScreenPix = (*pScreen->GetScreenPixmap)(pScreen);
-
-	pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
-	pPix->drawable.x = area->box.x1;
-	pPix->drawable.y = area->box.y1;
-	pPix->drawable.width = w;
-	pPix->drawable.height = h;
-	pPix->drawable.bitsPerPixel = pScrn->bitsPerPixel;
-	pPix->devKind = pScreenPix->devKind;
-	pPix->devPrivate.ptr = pScreenPix->devPrivate.ptr;
-	area->devPrivate.ptr = pPix;
-
-	pPriv->flags = OFFSCREEN;
-	pPriv->offscreenArea = area;
- 	pPriv->freeData = FALSE;
-	    
-	pLink->next = infoRec->OffscreenPixmaps;
-	pLink->pPix = pPix;
-	infoRec->OffscreenPixmaps = pLink;
-	return pPix;
-    }
-BAILOUT:
-    XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);
-    pPix = (*pScreen->CreatePixmap) (pScreen, w, h, depth, class);
-    XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);
-
-    if(pPix) {
-       pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
-       pPriv->flags = 0;
-       pPriv->offscreenArea = NULL;
-       pPriv->freeData = FALSE;
-       if(!w || !h) /* either scratch or shared memory */
-	    pPriv->flags |= SHARED_PIXMAP;
-    }
-
-    return pPix;
-}
-
-static Bool 
-XAADestroyPixmap(PixmapPtr pPix)
-{
-    ScreenPtr pScreen = pPix->drawable.pScreen;
-    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
-    XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
-    Bool ret;
-
-    if(pPix->refcnt == 1) {
-        if(pPriv->flags & OFFSCREEN) {
-	    if(pPriv->flags & DGA_PIXMAP)
-	        free(pPriv->offscreenArea);
-            else {
-	        FBAreaPtr area = pPriv->offscreenArea;
-		PixmapLinkPtr pLink = infoRec->OffscreenPixmaps;
-	        PixmapLinkPtr prev = NULL;
-
-		while(pLink->pPix != pPix) {
-		    prev = pLink;
-		    pLink = pLink->next;
-		}
-
-	        if(prev) prev->next = pLink->next;
-		else infoRec->OffscreenPixmaps = pLink->next;
-
-	        if(!area) area = pLink->area;
-
-	        xf86FreeOffscreenArea(area);
-	        pPriv->offscreenArea = NULL;
-	        free(pLink);
-	    } 
-        }
-
-        if(pPriv->freeData) { /* pixmaps that were once in video ram */
-	    free(pPix->devPrivate.ptr);
-	    pPix->devPrivate.ptr = NULL;
-	}
-    }
-    
-    XAA_SCREEN_PROLOGUE (pScreen, DestroyPixmap);
-    ret = (*pScreen->DestroyPixmap) (pPix);
-    XAA_SCREEN_EPILOGUE (pScreen, DestroyPixmap, XAADestroyPixmap);
- 
-    return ret;
-}
-
-static Bool
-XAAChangeWindowAttributes (WindowPtr pWin, unsigned long mask)
-{
-   ScreenPtr pScreen = pWin->drawable.pScreen;
-   Bool ret;
-
-   XAA_SCREEN_PROLOGUE (pScreen, ChangeWindowAttributes);
-   ret = (*pScreen->ChangeWindowAttributes) (pWin, mask);
-   XAA_SCREEN_EPILOGUE (pScreen, ChangeWindowAttributes, XAAChangeWindowAttributes);
-
-   /* we have to assume that shared memory pixmaps are dirty
-      because we can't wrap operations on them */
-
-   if((mask & CWBackPixmap) && (pWin->backgroundState == BackgroundPixmap) &&
-      PIXMAP_IS_SHARED(pWin->background.pixmap))
-   {
-        XAAPixmapPtr pPixPriv = XAA_GET_PIXMAP_PRIVATE(pWin->background.pixmap);
-	pPixPriv->flags |= DIRTY;
-   }
-   if((mask & CWBorderPixmap) && !(pWin->borderIsPixel) &&
-      PIXMAP_IS_SHARED(pWin->border.pixmap))
-   {
-        XAAPixmapPtr pPixPriv = XAA_GET_PIXMAP_PRIVATE(pWin->border.pixmap);
-        pPixPriv->flags |= DIRTY;
-   }
-
-   return ret;
-}
-
-
-
-/*  These two aren't really needed for anything */
-
-static Bool 
-XAAEnterVT(int index, int flags)
-{
-    ScrnInfoPtr pScrn = xf86Screens[index];
-    Bool ret;
-    ScreenPtr pScreen = screenInfo.screens[index];
-    XAAScreenPtr pScreenPriv = 
-	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
-
-    pScrn->EnterVT = pScreenPriv->EnterVT;
-    ret = ((*pScreenPriv->EnterVT)(index, flags));
-    pScreenPriv->EnterVT = pScrn->EnterVT;
-    pScrn->EnterVT = XAAEnterVT;
-    return ret;
-}
-
-static void 
-XAALeaveVT(int index, int flags)
-{
-    ScrnInfoPtr pScrn = xf86Screens[index];
-    ScreenPtr pScreen = screenInfo.screens[index];
-    XAAScreenPtr pScreenPriv = 
-	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
-    XAAInfoRecPtr infoRec = pScreenPriv->AccelInfoRec;
-
-    if(infoRec->NeedToSync) {
-        (*infoRec->Sync)(infoRec->pScrn);
-        infoRec->NeedToSync = FALSE;
-    }
-
-    pScrn->LeaveVT = pScreenPriv->LeaveVT;
-    (*pScreenPriv->LeaveVT)(index, flags);
-    pScreenPriv->LeaveVT = pScrn->LeaveVT;
-    pScrn->LeaveVT = XAALeaveVT;
-}
-
-typedef struct {
-   Bool UsingPixmapCache;
-   Bool CanDoColor8x8;
-   Bool CanDoMono8x8;
-} SavedCacheState, *SavedCacheStatePtr;
-
-static int  
-XAASetDGAMode(int index, int num, DGADevicePtr devRet)
-{
-    ScreenPtr pScreen = screenInfo.screens[index];
-    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
-    XAAScreenPtr pScreenPriv = 
-	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
-    int ret;
-
-    if (!num && infoRec->dgaSaves) { /* restore old pixmap cache state */
-	SavedCacheStatePtr state = (SavedCacheStatePtr)infoRec->dgaSaves;
-	
-	infoRec->UsingPixmapCache = state->UsingPixmapCache;	
-	infoRec->CanDoColor8x8 = state->CanDoColor8x8;	
-	infoRec->CanDoMono8x8 = state->CanDoMono8x8;
-	free(infoRec->dgaSaves);
-	infoRec->dgaSaves = NULL;
-    }
-
-    ret = (*pScreenPriv->SetDGAMode)(index, num, devRet);
-    if(ret != Success) return ret;
-
-    if(num && devRet->pPix) {  /* accelerate this pixmap */
-	XAAPixmapPtr pixPriv = XAA_GET_PIXMAP_PRIVATE(devRet->pPix);
-	FBAreaPtr area;
-
-	if((area = malloc(sizeof(FBArea)))) {
-	    area->pScreen = pScreen;
-	    area->box.x1 = 0;
-	    area->box.x2 = 0;
-	    area->box.y1 = devRet->mode->pixmapWidth;
-	    area->box.y2 = devRet->mode->pixmapHeight;
-	    area->granularity = 0;
-	    area->MoveAreaCallback = 0;
-	    area->RemoveAreaCallback = 0;
-	    area->devPrivate.ptr = 0;	
-
-	    pixPriv->flags |= OFFSCREEN | DGA_PIXMAP;
-	    pixPriv->offscreenArea = area;
-
-	    if(!infoRec->dgaSaves) { /* save pixmap cache state */
-		SavedCacheStatePtr state = malloc(sizeof(SavedCacheState));
-	
-		state->UsingPixmapCache = infoRec->UsingPixmapCache;	
-		state->CanDoColor8x8 = infoRec->CanDoColor8x8;	
-		state->CanDoMono8x8 = infoRec->CanDoMono8x8;	
-		infoRec->dgaSaves = (char*)state;
-
-		infoRec->UsingPixmapCache = FALSE;
-		if(infoRec->PixmapCacheFlags & CACHE_MONO_8x8)
-		    infoRec->CanDoMono8x8 = FALSE;
-		if(infoRec->PixmapCacheFlags & CACHE_COLOR_8x8)
-		    infoRec->CanDoColor8x8 = FALSE;
-	    }
-	}
-    }
-
-    return ret;
-}
-
-
-
-static void
-XAAEnableDisableFBAccess (int index, Bool enable)
-{
-    ScreenPtr pScreen = screenInfo.screens[index];
-    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
-    XAAScreenPtr pScreenPriv = 
-	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
-
-    if(!enable) {
-	if((infoRec->Flags & OFFSCREEN_PIXMAPS) && (infoRec->OffscreenPixmaps))
-	    XAAMoveOutOffscreenPixmaps(pScreen);
-	if(infoRec->Flags & PIXMAP_CACHE)
-	    XAAInvalidatePixmapCache(pScreen);
-	SwitchedOut = TRUE;
-    }
-
-    (*pScreenPriv->EnableDisableFBAccess)(index, enable);
-
-    if(enable) {
-	if((infoRec->Flags & OFFSCREEN_PIXMAPS) && (infoRec->OffscreenPixmaps))
-	    XAAMoveInOffscreenPixmaps(pScreen);
-	SwitchedOut = FALSE;
-    }
-}
+

+#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 "scrnintstr.h"

+#include "pixmapstr.h"

+#include "windowstr.h"

+#include "xf86str.h"

+#include "mi.h"

+#include "miline.h"

+#include "xaa.h"

+#include "xaalocal.h"

+#include "xaawrap.h"

+#include "xf86fbman.h"

+#include "servermd.h"

+#ifdef COMPOSITE

+#include "cw.h"

+#endif

+

+#define MAX_PREALLOC_MEM	65536	/* MUST be >= 1024 */

+

+#define MIN_OFFPIX_SIZE		(320*200)

+

+static Bool XAACloseScreen(int i, ScreenPtr pScreen);

+static void XAAGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,

+			unsigned int format, unsigned long planemask,

+			char *pdstLine);

+static void XAAGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,

+			int *pwidth, int nspans, char *pdstStart);

+static PixmapPtr XAACreatePixmap(ScreenPtr pScreen, int w, int h, int depth,

+				 unsigned usage_hint);

+static Bool XAADestroyPixmap(PixmapPtr pPixmap);

+static Bool XAAEnterVT (int index, int flags);

+static void XAALeaveVT (int index, int flags);

+static int  XAASetDGAMode(int index, int num, DGADevicePtr devRet);

+static void XAAEnableDisableFBAccess (int index, Bool enable);

+static Bool XAAChangeWindowAttributes (WindowPtr pWin, unsigned long mask);

+

+static DevPrivateKeyRec XAAScreenKeyRec;

+#define XAAScreenKey (&XAAScreenKeyRec)

+static DevPrivateKeyRec XAAGCKeyRec;

+#define XAAGCKey (&XAAGCKeyRec)

+static DevPrivateKeyRec XAAPixmapKeyRec;

+#define XAAPixmapKey (&XAAPixmapKeyRec)

+

+DevPrivateKey XAAGetScreenKey(void) {

+    return XAAScreenKey;

+}

+

+DevPrivateKey XAAGetGCKey(void) {

+    return XAAGCKey;

+}

+

+DevPrivateKey XAAGetPixmapKey(void) {

+    return XAAPixmapKey;

+}

+

+/* temp kludge */

+static Bool SwitchedOut = FALSE;

+

+XAAInfoRecPtr

+XAACreateInfoRec(void)

+{

+    XAAInfoRecPtr infoRec;

+

+    infoRec = calloc(1, sizeof(XAAInfoRec));

+    if(infoRec)

+	infoRec->CachePixelGranularity = -1;

+

+    return infoRec;

+}

+

+void

+XAADestroyInfoRec(XAAInfoRecPtr infoRec)

+{

+    if(!infoRec) return;

+

+    if(infoRec->ClosePixmapCache)

+	(*infoRec->ClosePixmapCache)(infoRec->pScrn->pScreen);

+   

+    free(infoRec->PreAllocMem);

+

+    free(infoRec->PixmapCachePrivate);

+

+    free(infoRec);

+}

+

+

+Bool

+XAAInit(ScreenPtr pScreen, XAAInfoRecPtr infoRec)

+{

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

+    XAAScreenPtr pScreenPriv;

+    int i;

+    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);

+

+    /* Return successfully if no acceleration wanted */

+    if (!infoRec)

+	return TRUE;

+    

+    if (!dixRegisterPrivateKey(&XAAGCKeyRec, PRIVATE_GC, sizeof(XAAGCRec)))

+	return FALSE;

+

+    if (!dixRegisterPrivateKey(&XAAPixmapKeyRec, PRIVATE_PIXMAP, sizeof(XAAPixmapRec)))

+	return FALSE;

+

+    if (!dixRegisterPrivateKey(&XAAScreenKeyRec, PRIVATE_SCREEN, 0))

+	return FALSE;

+

+    if (!(pScreenPriv = malloc(sizeof(XAAScreenRec))))

+	return FALSE;

+

+    dixSetPrivate(&pScreen->devPrivates, XAAScreenKey, pScreenPriv);

+

+    if(!xf86FBManagerRunning(pScreen))

+	infoRec->Flags &= ~(PIXMAP_CACHE | OFFSCREEN_PIXMAPS);

+    if(!(infoRec->Flags & LINEAR_FRAMEBUFFER))

+	infoRec->Flags &= ~OFFSCREEN_PIXMAPS;

+   

+    if(!infoRec->FullPlanemask) { /* for backwards compatibility */

+	infoRec->FullPlanemask =  (1 << pScrn->depth) - 1;

+	infoRec->FullPlanemasks[pScrn->depth - 1] = infoRec->FullPlanemask;

+    }

+

+    for(i = 0; i < 32; i++) {

+	if(!infoRec->FullPlanemasks[i]) /* keep any set by caller */

+	    infoRec->FullPlanemasks[i] = (1 << (i+1)) - 1;	

+    }

+

+    if(!XAAInitAccel(pScreen, infoRec)) return FALSE;

+    pScreenPriv->AccelInfoRec = infoRec;

+    infoRec->ScratchGC.pScreen = pScreen;

+

+    

+    if(!infoRec->GetImage)

+	infoRec->GetImage = XAAGetImage;

+    if(!infoRec->GetSpans)

+	infoRec->GetSpans = XAAGetSpans;

+    if(!infoRec->CopyWindow)

+	infoRec->CopyWindow = XAACopyWindow;

+

+    pScreenPriv->CreateGC = pScreen->CreateGC;

+    pScreen->CreateGC = XAACreateGC;

+    pScreenPriv->CloseScreen = pScreen->CloseScreen;

+    pScreen->CloseScreen = XAACloseScreen;

+    pScreenPriv->GetImage = pScreen->GetImage;

+    pScreen->GetImage = infoRec->GetImage;

+    pScreenPriv->GetSpans = pScreen->GetSpans;

+    pScreen->GetSpans = infoRec->GetSpans;

+    pScreenPriv->CopyWindow = pScreen->CopyWindow;

+    pScreen->CopyWindow = infoRec->CopyWindow;

+    pScreenPriv->CreatePixmap = pScreen->CreatePixmap;

+    pScreen->CreatePixmap = XAACreatePixmap;

+    pScreenPriv->DestroyPixmap = pScreen->DestroyPixmap;

+    pScreen->DestroyPixmap = XAADestroyPixmap;

+    pScreenPriv->ChangeWindowAttributes = pScreen->ChangeWindowAttributes;

+    pScreen->ChangeWindowAttributes = XAAChangeWindowAttributes;

+

+    pScreenPriv->EnterVT = pScrn->EnterVT;

+    pScrn->EnterVT = XAAEnterVT; 

+    pScreenPriv->LeaveVT = pScrn->LeaveVT;

+    pScrn->LeaveVT = XAALeaveVT;

+    pScreenPriv->SetDGAMode = pScrn->SetDGAMode;

+    pScrn->SetDGAMode = XAASetDGAMode;

+    pScreenPriv->EnableDisableFBAccess = pScrn->EnableDisableFBAccess;

+    pScrn->EnableDisableFBAccess = XAAEnableDisableFBAccess;

+

+    pScreenPriv->WindowExposures = pScreen->WindowExposures;

+    if (ps)

+    {

+	pScreenPriv->Composite = ps->Composite;

+	ps->Composite = XAAComposite;

+	pScreenPriv->Glyphs = ps->Glyphs;

+	ps->Glyphs = XAAGlyphs;

+    }

+    if(pScrn->overlayFlags & OVERLAY_8_32_PLANAR)

+        XAASetupOverlay8_32Planar(pScreen);

+

+    infoRec->PreAllocMem = malloc(MAX_PREALLOC_MEM);

+    if(infoRec->PreAllocMem)

+    	infoRec->PreAllocSize = MAX_PREALLOC_MEM;

+

+    if(infoRec->Flags & PIXMAP_CACHE) 

+	xf86RegisterFreeBoxCallback(pScreen, infoRec->InitPixmapCache,

+						(pointer)infoRec);

+

+    if(infoRec->Flags & MICROSOFT_ZERO_LINE_BIAS)

+	miSetZeroLineBias(pScreen, OCTANT1 | OCTANT2 | OCTANT3 | OCTANT4);

+

+#ifdef COMPOSITE

+    /* Initialize the composite wrapper.  This needs to happen after the

+     * wrapping above (so it comes before us), but before all other extensions,

+     * so it doesn't confuse them. (particularly damage).

+     */

+    miInitializeCompositeWrapper(pScreen);

+#endif

+

+    return TRUE;

+}

+

+

+

+static Bool

+XAACloseScreen (int i, ScreenPtr pScreen)

+{

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

+    XAAScreenPtr pScreenPriv = 

+	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);

+

+    pScrn->EnterVT = pScreenPriv->EnterVT; 

+    pScrn->LeaveVT = pScreenPriv->LeaveVT; 

+    pScrn->EnableDisableFBAccess = pScreenPriv->EnableDisableFBAccess;

+   

+    pScreen->CreateGC = pScreenPriv->CreateGC;

+    pScreen->CloseScreen = pScreenPriv->CloseScreen;

+    pScreen->GetImage = pScreenPriv->GetImage;

+    pScreen->GetSpans = pScreenPriv->GetSpans;

+    pScreen->CopyWindow = pScreenPriv->CopyWindow;

+    pScreen->WindowExposures = pScreenPriv->WindowExposures;

+    pScreen->CreatePixmap = pScreenPriv->CreatePixmap;

+    pScreen->DestroyPixmap = pScreenPriv->DestroyPixmap;

+    pScreen->ChangeWindowAttributes = pScreenPriv->ChangeWindowAttributes;

+

+    /* We leave it up to the client to free the XAAInfoRec */

+

+    free((pointer) pScreenPriv);

+

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

+}

+

+static void

+XAAGetImage (

+    DrawablePtr pDraw,

+    int	sx, int sy, int w, int h,

+    unsigned int    format,

+    unsigned long   planemask,

+    char	    *pdstLine 

+)

+{

+    ScreenPtr pScreen = pDraw->pScreen;

+    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);

+    ScrnInfoPtr pScrn = infoRec->pScrn;

+

+    if(pScrn->vtSema && 

+	((pDraw->type == DRAWABLE_WINDOW) || IS_OFFSCREEN_PIXMAP(pDraw))) 

+    {

+	if(infoRec->ReadPixmap && (format == ZPixmap) && 

+	   ((planemask & infoRec->FullPlanemasks[pDraw->depth - 1]) == 

+                           infoRec->FullPlanemasks[pDraw->depth - 1]) &&

+	   (pDraw->bitsPerPixel == BitsPerPixel(pDraw->depth)))

+	{

+	    (*infoRec->ReadPixmap)(pScrn, 

+		   sx + pDraw->x, sy + pDraw->y, w, h,

+		   (unsigned char *)pdstLine,

+		   PixmapBytePad(w, pDraw->depth), 

+		   pDraw->bitsPerPixel, pDraw->depth);

+	    return;

+	}

+	SYNC_CHECK(pDraw);

+    }

+

+    XAA_SCREEN_PROLOGUE (pScreen, GetImage);

+    (*pScreen->GetImage) (pDraw, sx, sy, w, h, format, planemask, pdstLine);

+    XAA_SCREEN_EPILOGUE (pScreen, GetImage, XAAGetImage);

+}

+

+static void

+XAAGetSpans (

+    DrawablePtr pDraw,

+    int		wMax,

+    DDXPointPtr	ppt,

+    int		*pwidth,

+    int		nspans,

+    char	*pdstStart

+)

+{

+    ScreenPtr pScreen = pDraw->pScreen;

+    XAA_SCREEN_PROLOGUE (pScreen, GetSpans);

+    if(xf86Screens[pScreen->myNum]->vtSema && 

+	((pDraw->type == DRAWABLE_WINDOW) || IS_OFFSCREEN_PIXMAP(pDraw))) {

+	SYNC_CHECK(pDraw);

+    }

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

+    XAA_SCREEN_EPILOGUE (pScreen, GetSpans, XAAGetSpans);

+}

+

+

+static int

+XAAPixmapBPP (ScreenPtr pScreen, int depth)

+{

+    PixmapPtr	pPix;

+    int		bpp;

+    DestroyPixmapProcPtr    destroyPixmap;

+    

+    XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);

+    pPix = (*pScreen->CreatePixmap) (pScreen, 1, 1, depth,

+				     CREATE_PIXMAP_USAGE_SCRATCH);

+    XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);

+    if (!pPix)

+	return 0;

+    bpp = pPix->drawable.bitsPerPixel;

+    destroyPixmap = pScreen->DestroyPixmap;

+    XAA_SCREEN_PROLOGUE (pScreen, DestroyPixmap);

+    (*pScreen->DestroyPixmap) (pPix);

+    XAA_SCREEN_EPILOGUE (pScreen, DestroyPixmap, destroyPixmap);

+    return bpp;

+}

+

+static void

+XAAInitializeOffscreenDepths (ScreenPtr pScreen)

+{

+    XAAInfoRecPtr   infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);

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

+    int		    d, dep;

+    

+    infoRec->offscreenDepthsInitialized = TRUE;

+    infoRec->offscreenDepths = 0;

+    if (infoRec->Flags & OFFSCREEN_PIXMAPS) {

+	for (d = 0; d < pScreen->numDepths; d++) {

+	    dep = pScreen->allowedDepths[d].depth;

+	    if (XAAPixmapBPP (pScreen, dep) == pScrn->bitsPerPixel)

+		infoRec->offscreenDepths |= (1 << (dep - 1));

+	}

+    }

+}

+

+static PixmapPtr 

+XAACreatePixmap(ScreenPtr pScreen, int w, int h, int depth, unsigned usage_hint)

+{

+    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);

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

+    XAAPixmapPtr pPriv;

+    PixmapPtr pPix = NULL;

+    int size = w * h;

+

+    if (w > 32767 || h > 32767)

+	return NullPixmap;

+    

+    if (!infoRec->offscreenDepthsInitialized)

+	XAAInitializeOffscreenDepths (pScreen);

+

+    if(pScrn->vtSema &&

+	(usage_hint != CREATE_PIXMAP_USAGE_GLYPH_PICTURE) &&

+	(infoRec->offscreenDepths & (1 << (depth - 1))) &&

+	(size >= MIN_OFFPIX_SIZE) && !SwitchedOut &&

+	(!infoRec->maxOffPixWidth || (w <= infoRec->maxOffPixWidth)) &&

+	(!infoRec->maxOffPixHeight || (h <= infoRec->maxOffPixHeight)) )

+    {

+        PixmapLinkPtr pLink;

+	PixmapPtr pScreenPix;

+        FBAreaPtr area;

+        int gran = 0;

+

+	switch(pScrn->bitsPerPixel) {

+        case 24: 

+        case 8:  gran = 4;  break;

+        case 16: gran = 2;  break;

+        case 32: gran = 1;  break;

+        default: break;

+        }

+

+        if(BITMAP_SCANLINE_PAD == 64)

+           gran *= 2;

+

+        if(!(area = xf86AllocateOffscreenArea(pScreen, w, h, gran, 0,

+                                XAARemoveAreaCallback, NULL))) {

+	    goto BAILOUT;

+	}

+

+        if(!(pLink = malloc(sizeof(PixmapLink)))) {

+            xf86FreeOffscreenArea(area);

+	    goto BAILOUT;

+	}

+

+	XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);

+	pPix = (*pScreen->CreatePixmap) (pScreen, 0, 0, depth, usage_hint);

+	XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);

+

+	if (!pPix) {

+	    free(pLink);

+            xf86FreeOffscreenArea(area);

+	    goto BAILOUT;

+	}

+	

+	pScreenPix = (*pScreen->GetScreenPixmap)(pScreen);

+

+	pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);

+	pPix->drawable.x = area->box.x1;

+	pPix->drawable.y = area->box.y1;

+	pPix->drawable.width = w;

+	pPix->drawable.height = h;

+	pPix->drawable.bitsPerPixel = pScrn->bitsPerPixel;

+	pPix->devKind = pScreenPix->devKind;

+	pPix->devPrivate.ptr = pScreenPix->devPrivate.ptr;

+	area->devPrivate.ptr = pPix;

+

+	pPriv->flags = OFFSCREEN;

+	pPriv->offscreenArea = area;

+ 	pPriv->freeData = FALSE;

+	    

+	pLink->next = infoRec->OffscreenPixmaps;

+	pLink->pPix = pPix;

+	infoRec->OffscreenPixmaps = pLink;

+	return pPix;

+    }

+BAILOUT:

+    XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);

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

+    XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);

+

+    if(pPix) {

+       pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);

+       pPriv->flags = 0;

+       pPriv->offscreenArea = NULL;

+       pPriv->freeData = FALSE;

+       if(!w || !h) /* either scratch or shared memory */

+	    pPriv->flags |= SHARED_PIXMAP;

+    }

+

+    return pPix;

+}

+

+static Bool 

+XAADestroyPixmap(PixmapPtr pPix)

+{

+    ScreenPtr pScreen = pPix->drawable.pScreen;

+    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);

+    XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);

+    Bool ret;

+

+    if(pPix->refcnt == 1) {

+        if(pPriv->flags & OFFSCREEN) {

+	    if(pPriv->flags & DGA_PIXMAP)

+	        free(pPriv->offscreenArea);

+            else {

+	        FBAreaPtr area = pPriv->offscreenArea;

+		PixmapLinkPtr pLink = infoRec->OffscreenPixmaps;

+	        PixmapLinkPtr prev = NULL;

+

+		while(pLink->pPix != pPix) {

+		    prev = pLink;

+		    pLink = pLink->next;

+		}

+

+	        if(prev) prev->next = pLink->next;

+		else infoRec->OffscreenPixmaps = pLink->next;

+

+	        if(!area) area = pLink->area;

+

+	        xf86FreeOffscreenArea(area);

+	        pPriv->offscreenArea = NULL;

+	        free(pLink);

+	    } 

+        }

+

+        if(pPriv->freeData) { /* pixmaps that were once in video ram */

+	    free(pPix->devPrivate.ptr);

+	    pPix->devPrivate.ptr = NULL;

+	}

+    }

+    

+    XAA_SCREEN_PROLOGUE (pScreen, DestroyPixmap);

+    ret = (*pScreen->DestroyPixmap) (pPix);

+    XAA_SCREEN_EPILOGUE (pScreen, DestroyPixmap, XAADestroyPixmap);

+ 

+    return ret;

+}

+

+static Bool

+XAAChangeWindowAttributes (WindowPtr pWin, unsigned long mask)

+{

+   ScreenPtr pScreen = pWin->drawable.pScreen;

+   Bool ret;

+

+   XAA_SCREEN_PROLOGUE (pScreen, ChangeWindowAttributes);

+   ret = (*pScreen->ChangeWindowAttributes) (pWin, mask);

+   XAA_SCREEN_EPILOGUE (pScreen, ChangeWindowAttributes, XAAChangeWindowAttributes);

+

+   /* we have to assume that shared memory pixmaps are dirty

+      because we can't wrap operations on them */

+

+   if((mask & CWBackPixmap) && (pWin->backgroundState == BackgroundPixmap) &&

+      PIXMAP_IS_SHARED(pWin->background.pixmap))

+   {

+        XAAPixmapPtr pPixPriv = XAA_GET_PIXMAP_PRIVATE(pWin->background.pixmap);

+	pPixPriv->flags |= DIRTY;

+   }

+   if((mask & CWBorderPixmap) && !(pWin->borderIsPixel) &&

+      PIXMAP_IS_SHARED(pWin->border.pixmap))

+   {

+        XAAPixmapPtr pPixPriv = XAA_GET_PIXMAP_PRIVATE(pWin->border.pixmap);

+        pPixPriv->flags |= DIRTY;

+   }

+

+   return ret;

+}

+

+

+

+/*  These two aren't really needed for anything */

+

+static Bool 

+XAAEnterVT(int index, int flags)

+{

+    ScrnInfoPtr pScrn = xf86Screens[index];

+    Bool ret;

+    ScreenPtr pScreen = screenInfo.screens[index];

+    XAAScreenPtr pScreenPriv = 

+	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);

+

+    pScrn->EnterVT = pScreenPriv->EnterVT;

+    ret = ((*pScreenPriv->EnterVT)(index, flags));

+    pScreenPriv->EnterVT = pScrn->EnterVT;

+    pScrn->EnterVT = XAAEnterVT;

+    return ret;

+}

+

+static void 

+XAALeaveVT(int index, int flags)

+{

+    ScrnInfoPtr pScrn = xf86Screens[index];

+    ScreenPtr pScreen = screenInfo.screens[index];

+    XAAScreenPtr pScreenPriv = 

+	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);

+    XAAInfoRecPtr infoRec = pScreenPriv->AccelInfoRec;

+

+    if(infoRec->NeedToSync) {

+        (*infoRec->Sync)(infoRec->pScrn);

+        infoRec->NeedToSync = FALSE;

+    }

+

+    pScrn->LeaveVT = pScreenPriv->LeaveVT;

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

+    pScreenPriv->LeaveVT = pScrn->LeaveVT;

+    pScrn->LeaveVT = XAALeaveVT;

+}

+

+typedef struct {

+   Bool UsingPixmapCache;

+   Bool CanDoColor8x8;

+   Bool CanDoMono8x8;

+} SavedCacheState, *SavedCacheStatePtr;

+

+static int  

+XAASetDGAMode(int index, int num, DGADevicePtr devRet)

+{

+    ScreenPtr pScreen = screenInfo.screens[index];

+    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);

+    XAAScreenPtr pScreenPriv = 

+	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);

+    int ret;

+

+    if (!num && infoRec->dgaSaves) { /* restore old pixmap cache state */

+	SavedCacheStatePtr state = (SavedCacheStatePtr)infoRec->dgaSaves;

+	

+	infoRec->UsingPixmapCache = state->UsingPixmapCache;	

+	infoRec->CanDoColor8x8 = state->CanDoColor8x8;	

+	infoRec->CanDoMono8x8 = state->CanDoMono8x8;

+	free(infoRec->dgaSaves);

+	infoRec->dgaSaves = NULL;

+    }

+

+    ret = (*pScreenPriv->SetDGAMode)(index, num, devRet);

+    if(ret != Success) return ret;

+

+    if(num && devRet->pPix) {  /* accelerate this pixmap */

+	XAAPixmapPtr pixPriv = XAA_GET_PIXMAP_PRIVATE(devRet->pPix);

+	FBAreaPtr area;

+

+	if((area = malloc(sizeof(FBArea)))) {

+	    area->pScreen = pScreen;

+	    area->box.x1 = 0;

+	    area->box.x2 = 0;

+	    area->box.y1 = devRet->mode->pixmapWidth;

+	    area->box.y2 = devRet->mode->pixmapHeight;

+	    area->granularity = 0;

+	    area->MoveAreaCallback = 0;

+	    area->RemoveAreaCallback = 0;

+	    area->devPrivate.ptr = 0;	

+

+	    pixPriv->flags |= OFFSCREEN | DGA_PIXMAP;

+	    pixPriv->offscreenArea = area;

+

+	    if(!infoRec->dgaSaves) { /* save pixmap cache state */

+		SavedCacheStatePtr state = malloc(sizeof(SavedCacheState));

+	

+		state->UsingPixmapCache = infoRec->UsingPixmapCache;	

+		state->CanDoColor8x8 = infoRec->CanDoColor8x8;	

+		state->CanDoMono8x8 = infoRec->CanDoMono8x8;	

+		infoRec->dgaSaves = (char*)state;

+

+		infoRec->UsingPixmapCache = FALSE;

+		if(infoRec->PixmapCacheFlags & CACHE_MONO_8x8)

+		    infoRec->CanDoMono8x8 = FALSE;

+		if(infoRec->PixmapCacheFlags & CACHE_COLOR_8x8)

+		    infoRec->CanDoColor8x8 = FALSE;

+	    }

+	}

+    }

+

+    return ret;

+}

+

+

+

+static void

+XAAEnableDisableFBAccess (int index, Bool enable)

+{

+    ScreenPtr pScreen = screenInfo.screens[index];

+    XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);

+    XAAScreenPtr pScreenPriv = 

+	(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);

+

+    if(!enable) {

+	if((infoRec->Flags & OFFSCREEN_PIXMAPS) && (infoRec->OffscreenPixmaps))

+	    XAAMoveOutOffscreenPixmaps(pScreen);

+	if(infoRec->Flags & PIXMAP_CACHE)

+	    XAAInvalidatePixmapCache(pScreen);

+	SwitchedOut = TRUE;

+    }

+

+    (*pScreenPriv->EnableDisableFBAccess)(index, enable);

+

+    if(enable) {

+	if((infoRec->Flags & OFFSCREEN_PIXMAPS) && (infoRec->OffscreenPixmaps))

+	    XAAMoveInOffscreenPixmaps(pScreen);

+	SwitchedOut = FALSE;

+    }

+}