diff options
Diffstat (limited to 'exa/exa_priv.h')
| -rw-r--r-- | exa/exa_priv.h | 725 |
1 files changed, 725 insertions, 0 deletions
diff --git a/exa/exa_priv.h b/exa/exa_priv.h new file mode 100644 index 0000000..e5d90d4 --- /dev/null +++ b/exa/exa_priv.h @@ -0,0 +1,725 @@ +/* + * + * Copyright (C) 2000 Keith Packard, member of The XFree86 Project, Inc. + * 2005 Zack Rusin, Trolltech + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +#ifndef EXAPRIV_H +#define EXAPRIV_H + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "exa.h" + +#include <X11/X.h> +#include <X11/Xproto.h> +#ifdef MITSHM +#include "shmint.h" +#endif +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "windowstr.h" +#include "servermd.h" +#include "mibstore.h" +#include "colormapst.h" +#include "gcstruct.h" +#include "input.h" +#include "mipointer.h" +#include "mi.h" +#include "dix.h" +#include "fb.h" +#include "fboverlay.h" +#include "fbpict.h" +#include "glyphstr.h" +#include "damage.h" + +#define DEBUG_TRACE_FALL 0 +#define DEBUG_MIGRATE 0 +#define DEBUG_PIXMAP 0 +#define DEBUG_OFFSCREEN 0 +#define DEBUG_GLYPH_CACHE 0 + +#if DEBUG_TRACE_FALL +#define EXA_FALLBACK(x) \ +do { \ + ErrorF("EXA fallback at %s: ", __FUNCTION__); \ + ErrorF x; \ +} while (0) + +char +exaDrawableLocation(DrawablePtr pDrawable); +#else +#define EXA_FALLBACK(x) +#endif + +#if DEBUG_PIXMAP +#define DBG_PIXMAP(a) ErrorF a +#else +#define DBG_PIXMAP(a) +#endif + +#ifndef EXA_MAX_FB +#define EXA_MAX_FB FB_OVERLAY_MAX +#endif + +#ifdef DEBUG +#define EXA_FatalErrorDebug(x) FatalError x +#define EXA_FatalErrorDebugWithRet(x, ret) FatalError x +#else +#define EXA_FatalErrorDebug(x) ErrorF x +#define EXA_FatalErrorDebugWithRet(x, ret) \ +do { \ + ErrorF x; \ + return ret; \ +} while (0) +#endif + +/** + * This is the list of migration heuristics supported by EXA. See + * exaDoMigration() for what their implementations do. + */ +enum ExaMigrationHeuristic { + ExaMigrationGreedy, + ExaMigrationAlways, + ExaMigrationSmart +}; + +typedef struct { + unsigned char sha1[20]; +} ExaCachedGlyphRec, *ExaCachedGlyphPtr; + +typedef struct { + /* The identity of the cache, statically configured at initialization */ + unsigned int format; + int glyphWidth; + int glyphHeight; + + int size; /* Size of cache; eventually this should be dynamically determined */ + + /* Hash table mapping from glyph sha1 to position in the glyph; we use + * open addressing with a hash table size determined based on size and large + * enough so that we always have a good amount of free space, so we can + * use linear probing. (Linear probing is preferrable to double hashing + * here because it allows us to easily remove entries.) + */ + int *hashEntries; + int hashSize; + + ExaCachedGlyphPtr glyphs; + int glyphCount; /* Current number of glyphs */ + + PicturePtr picture; /* Where the glyphs of the cache are stored */ + int yOffset; /* y location within the picture where the cache starts */ + int columns; /* Number of columns the glyphs are layed out in */ + int evictionPosition; /* Next random position to evict a glyph */ +} ExaGlyphCacheRec, *ExaGlyphCachePtr; + +#define EXA_NUM_GLYPH_CACHES 4 + +#define EXA_FALLBACK_COPYWINDOW (1 << 0) +#define EXA_ACCEL_COPYWINDOW (1 << 1) + +typedef struct _ExaMigrationRec { + Bool as_dst; + Bool as_src; + PixmapPtr pPix; + RegionPtr pReg; +} ExaMigrationRec, *ExaMigrationPtr; + +typedef void (*EnableDisableFBAccessProcPtr)(int, Bool); +typedef struct { + ExaDriverPtr info; + ScreenBlockHandlerProcPtr SavedBlockHandler; + ScreenWakeupHandlerProcPtr SavedWakeupHandler; + CreateGCProcPtr SavedCreateGC; + CloseScreenProcPtr SavedCloseScreen; + GetImageProcPtr SavedGetImage; + GetSpansProcPtr SavedGetSpans; + CreatePixmapProcPtr SavedCreatePixmap; + DestroyPixmapProcPtr SavedDestroyPixmap; + CopyWindowProcPtr SavedCopyWindow; + ChangeWindowAttributesProcPtr SavedChangeWindowAttributes; + BitmapToRegionProcPtr SavedBitmapToRegion; + CreateScreenResourcesProcPtr SavedCreateScreenResources; + ModifyPixmapHeaderProcPtr SavedModifyPixmapHeader; + SourceValidateProcPtr SavedSourceValidate; + CompositeProcPtr SavedComposite; + TrianglesProcPtr SavedTriangles; + GlyphsProcPtr SavedGlyphs; + TrapezoidsProcPtr SavedTrapezoids; + AddTrapsProcPtr SavedAddTraps; + void (*do_migration) (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); + Bool (*pixmap_has_gpu_copy) (PixmapPtr pPixmap); + void (*do_move_in_pixmap) (PixmapPtr pPixmap); + void (*do_move_out_pixmap) (PixmapPtr pPixmap); + void (*prepare_access_reg)(PixmapPtr pPixmap, int index, RegionPtr pReg); + + Bool swappedOut; + enum ExaMigrationHeuristic migration; + Bool checkDirtyCorrectness; + unsigned disableFbCount; + Bool optimize_migration; + unsigned offScreenCounter; + unsigned numOffscreenAvailable; + CARD32 lastDefragment; + CARD32 nextDefragment; + PixmapPtr deferred_mixed_pixmap; + + /* Reference counting for accessed pixmaps */ + struct { + PixmapPtr pixmap; + int count; + Bool retval; + } access[EXA_NUM_PREPARE_INDICES]; + + /* Holds information on fallbacks that cannot be relayed otherwise. */ + unsigned int fallback_flags; + unsigned int fallback_counter; + + ExaGlyphCacheRec glyphCaches[EXA_NUM_GLYPH_CACHES]; + + /** + * Regions affected by fallback composite source / mask operations. + */ + + RegionRec srcReg; + RegionRec maskReg; + PixmapPtr srcPix; + +} ExaScreenPrivRec, *ExaScreenPrivPtr; + +/* + * This is the only completely portable way to + * compute this info. + */ +#ifndef BitsPerPixel +#define BitsPerPixel(d) (\ + PixmapWidthPaddingInfo[d].notPower2 ? \ + (PixmapWidthPaddingInfo[d].bytesPerPixel * 8) : \ + ((1 << PixmapWidthPaddingInfo[d].padBytesLog2) * 8 / \ + (PixmapWidthPaddingInfo[d].padRoundUp+1))) +#endif + +extern DevPrivateKeyRec exaScreenPrivateKeyRec; +#define exaScreenPrivateKey (&exaScreenPrivateKeyRec) +extern DevPrivateKeyRec exaPixmapPrivateKeyRec; +#define exaPixmapPrivateKey (&exaPixmapPrivateKeyRec) +extern DevPrivateKeyRec exaGCPrivateKeyRec; +#define exaGCPrivateKey (&exaGCPrivateKeyRec) + +#define ExaGetScreenPriv(s) ((ExaScreenPrivPtr)dixLookupPrivate(&(s)->devPrivates, exaScreenPrivateKey)) +#define ExaScreenPriv(s) ExaScreenPrivPtr pExaScr = ExaGetScreenPriv(s) + +#define ExaGetGCPriv(gc) ((ExaGCPrivPtr)dixLookupPrivate(&(gc)->devPrivates, exaGCPrivateKey)) +#define ExaGCPriv(gc) ExaGCPrivPtr pExaGC = ExaGetGCPriv(gc) + +/* + * Some macros to deal with function wrapping. + */ +#define wrap(priv, real, mem, func) {\ + priv->Saved##mem = real->mem; \ + real->mem = func; \ +} + +#define unwrap(priv, real, mem) {\ + real->mem = priv->Saved##mem; \ +} + +#define swap(priv, real, mem) {\ + void *tmp = priv->Saved##mem; \ + priv->Saved##mem = real->mem; \ + real->mem = tmp; \ +} + +#define EXA_PRE_FALLBACK(_screen_) \ + ExaScreenPriv(_screen_); \ + pExaScr->fallback_counter++; + +#define EXA_POST_FALLBACK(_screen_) \ + pExaScr->fallback_counter--; + +#define EXA_PRE_FALLBACK_GC(_gc_) \ + ExaScreenPriv(_gc_->pScreen); \ + ExaGCPriv(_gc_); \ + pExaScr->fallback_counter++; \ + swap(pExaGC, _gc_, ops); + +#define EXA_POST_FALLBACK_GC(_gc_) \ + pExaScr->fallback_counter--; \ + swap(pExaGC, _gc_, ops); + +/** Align an offset to an arbitrary alignment */ +#define EXA_ALIGN(offset, align) (((offset) + (align) - 1) - \ + (((offset) + (align) - 1) % (align))) +/** Align an offset to a power-of-two alignment */ +#define EXA_ALIGN2(offset, align) (((offset) + (align) - 1) & ~((align) - 1)) + +#define EXA_PIXMAP_SCORE_MOVE_IN 10 +#define EXA_PIXMAP_SCORE_MAX 20 +#define EXA_PIXMAP_SCORE_MOVE_OUT -10 +#define EXA_PIXMAP_SCORE_MIN -20 +#define EXA_PIXMAP_SCORE_PINNED 1000 +#define EXA_PIXMAP_SCORE_INIT 1001 + +#define ExaGetPixmapPriv(p) ((ExaPixmapPrivPtr)dixLookupPrivate(&(p)->devPrivates, exaPixmapPrivateKey)) +#define ExaSetPixmapPriv(p,a) dixSetPrivate(&(p)->devPrivates, exaPixmapPrivateKey, a) +#define ExaPixmapPriv(p) ExaPixmapPrivPtr pExaPixmap = ExaGetPixmapPriv(p) + +#define EXA_RANGE_PITCH (1 << 0) +#define EXA_RANGE_WIDTH (1 << 1) +#define EXA_RANGE_HEIGHT (1 << 2) + +typedef struct { + ExaOffscreenArea *area; + int score; /**< score for the move-in vs move-out heuristic */ + Bool use_gpu_copy; + + CARD8 *sys_ptr; /**< pointer to pixmap data in system memory */ + int sys_pitch; /**< pitch of pixmap in system memory */ + + CARD8 *fb_ptr; /**< pointer to pixmap data in framebuffer memory */ + int fb_pitch; /**< pitch of pixmap in framebuffer memory */ + unsigned int fb_size; /**< size of pixmap in framebuffer memory */ + + /** + * Holds information about whether this pixmap can be used for + * acceleration (== 0) or not (> 0). + * + * Contains a OR'ed combination of the following values: + * EXA_RANGE_PITCH - set if the pixmap's pitch is out of range + * EXA_RANGE_WIDTH - set if the pixmap's width is out of range + * EXA_RANGE_HEIGHT - set if the pixmap's height is out of range + */ + unsigned int accel_blocked; + + /** + * The damage record contains the areas of the pixmap's current location + * (framebuffer or system) that have been damaged compared to the other + * location. + */ + DamagePtr pDamage; + /** + * The valid regions mark the valid bits (at least, as they're derived from + * damage, which may be overreported) of a pixmap's system and FB copies. + */ + RegionRec validSys, validFB; + /** + * Driver private storage per EXA pixmap + */ + void *driverPriv; +} ExaPixmapPrivRec, *ExaPixmapPrivPtr; + +typedef struct { + /* GC values from the layer below. */ + GCOps *Savedops; + GCFuncs *Savedfuncs; +} ExaGCPrivRec, *ExaGCPrivPtr; + +typedef struct { + PicturePtr pDst; + INT16 xSrc; + INT16 ySrc; + INT16 xMask; + INT16 yMask; + INT16 xDst; + INT16 yDst; + INT16 width; + INT16 height; +} ExaCompositeRectRec, *ExaCompositeRectPtr; + +/** + * exaDDXDriverInit must be implemented by the DDX using EXA, and is the place + * to set EXA options or hook in screen functions to handle using EXA as the AA. + */ +void exaDDXDriverInit (ScreenPtr pScreen); + +/* exa_unaccel.c */ +void +exaPrepareAccessGC(GCPtr pGC); + +void +exaFinishAccessGC(GCPtr pGC); + +void +ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans, + DDXPointPtr ppt, int *pwidth, int fSorted); + +void +ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc, + DDXPointPtr ppt, int *pwidth, int nspans, int fSorted); + +void +ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, + int x, int y, int w, int h, int leftPad, int format, + char *bits); + +void +ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + BoxPtr pbox, int nbox, int dx, int dy, Bool reverse, + Bool upsidedown, Pixel bitplane, void *closure); + +RegionPtr +ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int w, int h, int dstx, int dsty); + +RegionPtr +ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int w, int h, int dstx, int dsty, + unsigned long bitPlane); + +void +ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, + DDXPointPtr pptInit); + +void +ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC, + int mode, int npt, DDXPointPtr ppt); + +void +ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC, + int nsegInit, xSegment *pSegInit); + +void +ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC, + int narcs, xArc *pArcs); + +void +ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC, + int nrect, xRectangle *prect); + +void +ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int x, int y, unsigned int nglyph, + CharInfoPtr *ppci, pointer pglyphBase); + +void +ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int x, int y, unsigned int nglyph, + CharInfoPtr *ppci, pointer pglyphBase); + +void +ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap, + DrawablePtr pDrawable, + int w, int h, int x, int y); + +void +ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc); + +void +ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h, + unsigned int format, unsigned long planeMask, char *d); + +void +ExaCheckGetSpans (DrawablePtr pDrawable, + int wMax, + DDXPointPtr ppt, + int *pwidth, + int nspans, + char *pdstStart); + +void +ExaCheckAddTraps (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntrap, + xTrap *traps); + +/* exa_accel.c */ + +static _X_INLINE Bool +exaGCReadsDestination(DrawablePtr pDrawable, unsigned long planemask, + unsigned int fillStyle, unsigned char alu, + unsigned int clientClipType) +{ + return ((alu != GXcopy && alu != GXclear && alu != GXset && + alu != GXcopyInverted) || fillStyle == FillStippled || + clientClipType != CT_NONE || !EXA_PM_IS_SOLID(pDrawable, planemask)); +} + +void +exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc); + +Bool +exaFillRegionTiled (DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile, + DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu, + unsigned int clientClipType); + +void +exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h, + unsigned int format, unsigned long planeMask, char *d); + +RegionPtr +exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, + int srcx, int srcy, int width, int height, int dstx, int dsty); + +Bool +exaHWCopyNtoN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown); + +void +exaCopyNtoN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure); + +extern const GCOps exaOps; + +void +ExaCheckComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height); + +void +ExaCheckGlyphs (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlist, + GlyphListPtr list, + GlyphPtr *glyphs); + +/* exa_offscreen.c */ +void +ExaOffscreenSwapOut (ScreenPtr pScreen); + +void +ExaOffscreenSwapIn (ScreenPtr pScreen); + +ExaOffscreenArea* +ExaOffscreenDefragment (ScreenPtr pScreen); + +Bool +exaOffscreenInit(ScreenPtr pScreen); + +void +ExaOffscreenFini (ScreenPtr pScreen); + +/* exa.c */ +Bool +ExaDoPrepareAccess(PixmapPtr pPixmap, int index); + +void +exaPrepareAccess(DrawablePtr pDrawable, int index); + +void +exaFinishAccess(DrawablePtr pDrawable, int index); + +void +exaDestroyPixmap(PixmapPtr pPixmap); + +void +exaPixmapDirty(PixmapPtr pPix, int x1, int y1, int x2, int y2); + +void +exaGetDrawableDeltas (DrawablePtr pDrawable, PixmapPtr pPixmap, + int *xp, int *yp); + +Bool +exaPixmapHasGpuCopy(PixmapPtr p); + +PixmapPtr +exaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int *yp); + +PixmapPtr +exaGetDrawablePixmap(DrawablePtr pDrawable); + +void +exaSetFbPitch(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap, + int w, int h, int bpp); + +void +exaSetAccelBlock(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap, + int w, int h, int bpp); + +void +exaDoMigration (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); + +Bool +exaPixmapIsPinned (PixmapPtr pPix); + +extern const GCFuncs exaGCFuncs; + +/* exa_classic.c */ +PixmapPtr +exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int depth, + unsigned usage_hint); + +Bool +exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int depth, + int bitsPerPixel, int devKind, pointer pPixData); + +Bool +exaDestroyPixmap_classic (PixmapPtr pPixmap); + +Bool +exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap); + +/* exa_driver.c */ +PixmapPtr +exaCreatePixmap_driver(ScreenPtr pScreen, int w, int h, int depth, + unsigned usage_hint); + +Bool +exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height, int depth, + int bitsPerPixel, int devKind, pointer pPixData); + +Bool +exaDestroyPixmap_driver (PixmapPtr pPixmap); + +Bool +exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap); + +/* exa_mixed.c */ +PixmapPtr +exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth, + unsigned usage_hint); + +Bool +exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, + int bitsPerPixel, int devKind, pointer pPixData); + +Bool +exaDestroyPixmap_mixed(PixmapPtr pPixmap); + +Bool +exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap); + +/* exa_migration_mixed.c */ +void +exaCreateDriverPixmap_mixed(PixmapPtr pPixmap); + +void +exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); + +void +exaMoveInPixmap_mixed(PixmapPtr pPixmap); + +void +exaDamageReport_mixed(DamagePtr pDamage, RegionPtr pRegion, void *closure); + +void +exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg); + +/* exa_render.c */ +Bool +exaOpReadsDestination (CARD8 op); + +void +exaComposite(CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height); + +void +exaCompositeRects(CARD8 op, + PicturePtr Src, + PicturePtr pMask, + PicturePtr pDst, + int nrect, + ExaCompositeRectPtr rects); + +void +exaTrapezoids (CARD8 op, PicturePtr pSrc, PicturePtr pDst, + PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, + int ntrap, xTrapezoid *traps); + +void +exaTriangles (CARD8 op, PicturePtr pSrc, PicturePtr pDst, + PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, + int ntri, xTriangle *tris); + +/* exa_glyph.c */ +void +exaGlyphsInit(ScreenPtr pScreen); + +void +exaGlyphsFini (ScreenPtr pScreen); + +void +exaGlyphs (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlist, + GlyphListPtr list, + GlyphPtr *glyphs); + +/* exa_migration_classic.c */ +void +exaCopyDirtyToSys (ExaMigrationPtr migrate); + +void +exaCopyDirtyToFb (ExaMigrationPtr migrate); + +void +exaDoMigration_classic (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); + +void +exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area); + +void +exaMoveOutPixmap_classic (PixmapPtr pPixmap); + +void +exaMoveInPixmap_classic (PixmapPtr pPixmap); + +void +exaPrepareAccessReg_classic(PixmapPtr pPixmap, int index, RegionPtr pReg); + +#endif /* EXAPRIV_H */ |