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xserver/exa/exa_priv.h

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/*
*
* 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 */
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