422 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			422 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 *
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 * Copyright (C) 2000 Keith Packard, member of The XFree86 Project, Inc.
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 *               2005 Zack Rusin, Trolltech
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that
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 * copyright notice and this permission notice appear in supporting
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 * documentation, and that the name of Keith Packard not be used in
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 * advertising or publicity pertaining to distribution of the software without
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 * specific, written prior permission.  Keith Packard makes no
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 * representations about the suitability of this software for any purpose.  It
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 * is provided "as is" without express or implied warranty.
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 *
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 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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 * SOFTWARE.
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 */
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#ifndef EXAPRIV_H
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#define EXAPRIV_H
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "exa.h"
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#include <X11/X.h>
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#define NEED_EVENTS
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#include <X11/Xproto.h>
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#include "scrnintstr.h"
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#include "pixmapstr.h"
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#include "windowstr.h"
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#include "servermd.h"
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#include "mibstore.h"
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#include "colormapst.h"
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#include "gcstruct.h"
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#include "input.h"
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#include "mipointer.h"
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#include "mi.h"
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#include "dix.h"
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#include "fb.h"
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#include "fboverlay.h"
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#ifdef RENDER
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#include "fbpict.h"
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#endif
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#include "damage.h"
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#define DEBUG_TRACE_FALL	0
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#define DEBUG_MIGRATE		0
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#define DEBUG_PIXMAP		0
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#define DEBUG_OFFSCREEN		0
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#if DEBUG_TRACE_FALL
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#define EXA_FALLBACK(x)     					\
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do {								\
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	ErrorF("EXA fallback at %s: ", __FUNCTION__);		\
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	ErrorF x;						\
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} while (0)
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char
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exaDrawableLocation(DrawablePtr pDrawable);
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#else
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#define EXA_FALLBACK(x)
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#endif
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#if DEBUG_PIXMAP
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#define DBG_PIXMAP(a) ErrorF a
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#else
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#define DBG_PIXMAP(a)
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#endif
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#ifndef EXA_MAX_FB
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#define EXA_MAX_FB   FB_OVERLAY_MAX
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#endif
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/**
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 * This is the list of migration heuristics supported by EXA.  See
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 * exaDoMigration() for what their implementations do.
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 */
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enum ExaMigrationHeuristic {
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    ExaMigrationGreedy,
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    ExaMigrationAlways,
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    ExaMigrationSmart
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};
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typedef void (*EnableDisableFBAccessProcPtr)(int, Bool);
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typedef struct {
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    ExaDriverPtr info;
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    CreateGCProcPtr 		 SavedCreateGC;
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    CloseScreenProcPtr 		 SavedCloseScreen;
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    GetImageProcPtr 		 SavedGetImage;
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    GetSpansProcPtr 		 SavedGetSpans;
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    PaintWindowBackgroundProcPtr SavedPaintWindowBackground;
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    CreatePixmapProcPtr 	 SavedCreatePixmap;
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    DestroyPixmapProcPtr 	 SavedDestroyPixmap;
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    PaintWindowBorderProcPtr 	 SavedPaintWindowBorder;
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    CopyWindowProcPtr 		 SavedCopyWindow;
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#ifdef RENDER
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    CompositeProcPtr             SavedComposite;
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    RasterizeTrapezoidProcPtr	 SavedRasterizeTrapezoid;
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    AddTrianglesProcPtr		 SavedAddTriangles;
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    GlyphsProcPtr                SavedGlyphs;
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#endif
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    Bool			 swappedOut;
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    enum ExaMigrationHeuristic	 migration;
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    Bool			 hideOffscreenPixmapData;
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    Bool			 checkDirtyCorrectness;
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    unsigned			 disableFbCount;
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} ExaScreenPrivRec, *ExaScreenPrivPtr;
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/*
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 * This is the only completely portable way to
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 * compute this info.
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 */
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#ifndef BitsPerPixel
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#define BitsPerPixel(d) (\
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    PixmapWidthPaddingInfo[d].notPower2 ? \
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    (PixmapWidthPaddingInfo[d].bytesPerPixel * 8) : \
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    ((1 << PixmapWidthPaddingInfo[d].padBytesLog2) * 8 / \
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    (PixmapWidthPaddingInfo[d].padRoundUp+1)))
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#endif
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extern int exaScreenPrivateIndex;
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extern int exaPixmapPrivateIndex;
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#define ExaGetScreenPriv(s)	((ExaScreenPrivPtr)(s)->devPrivates[exaScreenPrivateIndex].ptr)
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#define ExaScreenPriv(s)	ExaScreenPrivPtr    pExaScr = ExaGetScreenPriv(s)
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/** Align an offset to an arbitrary alignment */
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#define EXA_ALIGN(offset, align) (((offset) + (align) - 1) - \
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	(((offset) + (align) - 1) % (align)))
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/** Align an offset to a power-of-two alignment */
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#define EXA_ALIGN2(offset, align) (((offset) + (align) - 1) & ~((align) - 1))
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#define EXA_PIXMAP_SCORE_MOVE_IN    10
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#define EXA_PIXMAP_SCORE_MAX	    20
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#define EXA_PIXMAP_SCORE_MOVE_OUT   -10
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#define EXA_PIXMAP_SCORE_MIN	    -20
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#define EXA_PIXMAP_SCORE_PINNED	    1000
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#define EXA_PIXMAP_SCORE_INIT	    1001
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#define ExaGetPixmapPriv(p)	((ExaPixmapPrivPtr)(p)->devPrivates[exaPixmapPrivateIndex].ptr)
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#define ExaSetPixmapPriv(p,a)	((p)->devPrivates[exaPixmapPrivateIndex].ptr = (pointer) (a))
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#define ExaPixmapPriv(p)	ExaPixmapPrivPtr pExaPixmap = ExaGetPixmapPriv(p)
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typedef struct {
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    ExaOffscreenArea *area;
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    int		    score;	/**< score for the move-in vs move-out heuristic */
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    CARD8	    *sys_ptr;	/**< pointer to pixmap data in system memory */
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    int		    sys_pitch;	/**< pitch of pixmap in system memory */
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    CARD8	    *fb_ptr;	/**< pointer to pixmap data in framebuffer memory */
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    int		    fb_pitch;	/**< pitch of pixmap in framebuffer memory */
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    unsigned int    fb_size;	/**< size of pixmap in framebuffer memory */
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    /**
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     * The damage record contains the areas of the pixmap's current location
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     * (framebuffer or system) that have been damaged compared to the other
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     * location.
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     */
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    DamagePtr	    pDamage;
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    /**
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     * The valid region marks the valid bits of a drawable (at least, as it's
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     * derived from damage, which may be overreported).
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     */
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    RegionRec	    validReg;
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} ExaPixmapPrivRec, *ExaPixmapPrivPtr;
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typedef struct _ExaMigrationRec {
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    Bool as_dst;
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    Bool as_src;
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    PixmapPtr pPix;
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} ExaMigrationRec, *ExaMigrationPtr;
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/**
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 * exaDDXDriverInit must be implemented by the DDX using EXA, and is the place
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 * to set EXA options or hook in screen functions to handle using EXA as the AA.
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  */
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void exaDDXDriverInit (ScreenPtr pScreen);
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/* exa_unaccel.c */
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void
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exaPrepareAccessGC(GCPtr pGC);
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void
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exaFinishAccessGC(GCPtr pGC);
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void
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ExaCheckFillSpans  (DrawablePtr pDrawable, GCPtr pGC, int nspans,
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		   DDXPointPtr ppt, int *pwidth, int fSorted);
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void
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ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
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		 DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
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void
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ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
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		 int x, int y, int w, int h, int leftPad, int format,
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		 char *bits);
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RegionPtr
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ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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		 int srcx, int srcy, int w, int h, int dstx, int dsty);
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RegionPtr
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ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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		  int srcx, int srcy, int w, int h, int dstx, int dsty,
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		  unsigned long bitPlane);
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void
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ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
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		  DDXPointPtr pptInit);
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void
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ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
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		  int mode, int npt, DDXPointPtr ppt);
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void
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ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
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		    int nsegInit, xSegment *pSegInit);
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void
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ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
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		int narcs, xArc *pArcs);
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void
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ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
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		     int nrect, xRectangle *prect);
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void
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ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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		      int x, int y, unsigned int nglyph,
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		      CharInfoPtr *ppci, pointer pglyphBase);
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void
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ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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		     int x, int y, unsigned int nglyph,
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		     CharInfoPtr *ppci, pointer pglyphBase);
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void
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ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
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		   DrawablePtr pDrawable,
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		   int w, int h, int x, int y);
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void
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ExaCheckGetImage (DrawablePtr pDrawable,
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		 int x, int y, int w, int h,
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		 unsigned int format, unsigned long planeMask,
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		 char *d);
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void
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ExaCheckGetSpans (DrawablePtr pDrawable,
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		 int wMax,
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		 DDXPointPtr ppt,
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		 int *pwidth,
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		 int nspans,
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		 char *pdstStart);
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void
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ExaCheckSaveAreas (PixmapPtr	pPixmap,
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		  RegionPtr	prgnSave,
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		  int		xorg,
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		  int		yorg,
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		  WindowPtr	pWin);
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void
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ExaCheckRestoreAreas (PixmapPtr	pPixmap,
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		     RegionPtr	prgnSave,
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		     int	xorg,
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		     int    	yorg,
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		     WindowPtr	pWin);
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void
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ExaCheckPaintWindow (WindowPtr pWin, RegionPtr pRegion, int what);
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CARD32
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exaGetPixmapFirstPixel (PixmapPtr pPixmap); 
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/* exa_accel.c */
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void
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exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
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Bool
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exaFillRegionTiled (DrawablePtr	pDrawable, RegionPtr pRegion, PixmapPtr pTile,
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		    DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu);
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void
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exaPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what);
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void
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exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h,
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	     unsigned int format, unsigned long planeMask, char *d);
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void
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exaGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr ppt, int *pwidth,
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	     int nspans, char *pdstStart);
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extern const GCOps exaOps;
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#ifdef RENDER
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void
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ExaCheckComposite (CARD8      op,
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		  PicturePtr pSrc,
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		  PicturePtr pMask,
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		  PicturePtr pDst,
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		  INT16      xSrc,
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		  INT16      ySrc,
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		  INT16      xMask,
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		  INT16      yMask,
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		  INT16      xDst,
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		  INT16      yDst,
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		  CARD16     width,
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		  CARD16     height);
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#endif
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/* exa_offscreen.c */
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void
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ExaOffscreenSwapOut (ScreenPtr pScreen);
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void
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ExaOffscreenSwapIn (ScreenPtr pScreen);
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Bool
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exaOffscreenInit(ScreenPtr pScreen);
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void
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ExaOffscreenFini (ScreenPtr pScreen);
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/* exa.c */
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void
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exaPrepareAccess(DrawablePtr pDrawable, int index);
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void
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exaFinishAccess(DrawablePtr pDrawable, int index);
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void
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exaPixmapDirty(PixmapPtr pPix, int x1, int y1, int x2, int y2);
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void
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exaGetDrawableDeltas (DrawablePtr pDrawable, PixmapPtr pPixmap,
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		      int *xp, int *yp);
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Bool
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exaDrawableIsOffscreen (DrawablePtr pDrawable);
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Bool
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exaPixmapIsOffscreen(PixmapPtr p);
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PixmapPtr
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exaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int *yp);
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PixmapPtr
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exaGetDrawablePixmap(DrawablePtr pDrawable);
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RegionPtr
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exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
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	    int srcx, int srcy, int width, int height, int dstx, int dsty);
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void
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exaCopyNtoN (DrawablePtr    pSrcDrawable,
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	     DrawablePtr    pDstDrawable,
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	     GCPtr	    pGC,
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	     BoxPtr	    pbox,
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	     int	    nbox,
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	     int	    dx,
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	     int	    dy,
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	     Bool	    reverse,
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	     Bool	    upsidedown,
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	     Pixel	    bitplane,
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	     void	    *closure);
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/* exa_render.c */
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void
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exaComposite(CARD8	op,
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	     PicturePtr pSrc,
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	     PicturePtr pMask,
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	     PicturePtr pDst,
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	     INT16	xSrc,
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	     INT16	ySrc,
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	     INT16	xMask,
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	     INT16	yMask,
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	     INT16	xDst,
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	     INT16	yDst,
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	     CARD16	width,
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	     CARD16	height);
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void
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exaRasterizeTrapezoid (PicturePtr pPicture, xTrapezoid  *trap,
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		       int x_off, int y_off);
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void
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exaAddTriangles (PicturePtr pPicture, INT16 x_off, INT16 y_off, int ntri,
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		 xTriangle *tris);
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void
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exaGlyphs (CARD8	op,
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	  PicturePtr	pSrc,
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	  PicturePtr	pDst,
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	  PictFormatPtr	maskFormat,
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	  INT16		xSrc,
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	  INT16		ySrc,
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	  int		nlist,
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	  GlyphListPtr	list,
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	  GlyphPtr	*glyphs);
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/* exa_migration.c */
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void
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exaDoMigration (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel);
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void
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exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area);
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#endif /* EXAPRIV_H */
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