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Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaInit.c')
-rw-r--r--xorg-server/hw/xfree86/xaa/xaaInit.c1248
1 files changed, 624 insertions, 624 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaInit.c b/xorg-server/hw/xfree86/xaa/xaaInit.c
index 7d4583dc2..58efb6a82 100644
--- a/xorg-server/hw/xfree86/xaa/xaaInit.c
+++ b/xorg-server/hw/xfree86/xaa/xaaInit.c
@@ -1,624 +1,624 @@
-
-#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 int XAAScreenKeyIndex;
-static DevPrivateKey XAAScreenKey = &XAAScreenKeyIndex;
-static int XAAGCKeyIndex;
-static DevPrivateKey XAAGCKey = &XAAGCKeyIndex;
-static int XAAPixmapKeyIndex;
-static DevPrivateKey XAAPixmapKey = &XAAPixmapKeyIndex;
-
-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 = xcalloc(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);
-
- if(infoRec->PreAllocMem)
- xfree(infoRec->PreAllocMem);
-
- if(infoRec->PixmapCachePrivate)
- xfree(infoRec->PixmapCachePrivate);
-
- xfree(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 (!dixRequestPrivate(XAAGCKey, sizeof(XAAGCRec)))
- return FALSE;
-
- if (!dixRequestPrivate(XAAPixmapKey, sizeof(XAAPixmapRec)))
- return FALSE;
-
- if (!(pScreenPriv = xalloc(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 = xalloc(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 */
-
- xfree ((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 = xalloc(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) {
- xfree (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)
- xfree(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;
- xfree(pLink);
- }
- }
-
- if(pPriv->freeData) { /* pixmaps that were once in video ram */
- xfree(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)
-{
- ScreenPtr pScreen = screenInfo.screens[index];
- XAAScreenPtr pScreenPriv =
- (XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
-
- return((*pScreenPriv->EnterVT)(index, flags));
-}
-
-static void
-XAALeaveVT(int index, int flags)
-{
- 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;
- }
-
- (*pScreenPriv->LeaveVT)(index, flags);
-}
-
-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;
- xfree(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 = xalloc(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 = xalloc(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 int XAAScreenKeyIndex;
+static DevPrivateKey XAAScreenKey = &XAAScreenKeyIndex;
+static int XAAGCKeyIndex;
+static DevPrivateKey XAAGCKey = &XAAGCKeyIndex;
+static int XAAPixmapKeyIndex;
+static DevPrivateKey XAAPixmapKey = &XAAPixmapKeyIndex;
+
+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);
+
+ if(infoRec->PreAllocMem)
+ free(infoRec->PreAllocMem);
+
+ if(infoRec->PixmapCachePrivate)
+ 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 (!dixRequestPrivate(XAAGCKey, sizeof(XAAGCRec)))
+ return FALSE;
+
+ if (!dixRequestPrivate(XAAPixmapKey, sizeof(XAAPixmapRec)))
+ 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)
+{
+ ScreenPtr pScreen = screenInfo.screens[index];
+ XAAScreenPtr pScreenPriv =
+ (XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
+
+ return((*pScreenPriv->EnterVT)(index, flags));
+}
+
+static void
+XAALeaveVT(int index, int flags)
+{
+ 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;
+ }
+
+ (*pScreenPriv->LeaveVT)(index, flags);
+}
+
+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;
+ }
+}