compint.h 8.56 KB
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/*
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 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
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 *
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 * Copyright © 2003 Keith Packard
 *
 * 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.
 *
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL KEITH PACKARD 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.
 */

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#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

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#ifndef _COMPINT_H_
#define _COMPINT_H_

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#include "misc.h"
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#include "scrnintstr.h"
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#include "os.h"
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#include "regionstr.h"
#include "validate.h"
#include "windowstr.h"
#include "input.h"
#include "resource.h"
#include "colormapst.h"
#include "cursorstr.h"
#include "dixstruct.h"
#include "gcstruct.h"
#include "servermd.h"
#include "dixevents.h"
#include "globals.h"
#include "picturestr.h"
#include "extnsionst.h"
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#include "privates.h"
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#include "mi.h"
#include "damage.h"
#include "damageextint.h"
#include "xfixes.h"
#include <X11/extensions/compositeproto.h>
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#include "compositeext.h"
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#include <assert.h>

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/*
 *  enable this for debugging
 
    #define COMPOSITE_DEBUG
 */

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typedef struct _CompClientWindow {
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    struct _CompClientWindow *next;
    XID id;
    int update;
} CompClientWindowRec, *CompClientWindowPtr;
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typedef struct _CompWindow {
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    RegionRec borderClip;
    DamagePtr damage;           /* for automatic update mode */
    Bool damageRegistered;
    Bool damaged;
    int update;
    CompClientWindowPtr clients;
    int oldx;
    int oldy;
    PixmapPtr pOldPixmap;
    int borderClipX, borderClipY;
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} CompWindowRec, *CompWindowPtr;

#define COMP_ORIGIN_INVALID	    0x80000000

typedef struct _CompSubwindows {
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    int update;
    CompClientWindowPtr clients;
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} CompSubwindowsRec, *CompSubwindowsPtr;

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#ifndef COMP_INCLUDE_RGB24_VISUAL
#define COMP_INCLUDE_RGB24_VISUAL 0
#endif

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typedef struct _CompOverlayClientRec *CompOverlayClientPtr;

typedef struct _CompOverlayClientRec {
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    CompOverlayClientPtr pNext;
    ClientPtr pClient;
    ScreenPtr pScreen;
    XID resource;
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} CompOverlayClientRec;

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typedef struct _CompScreen {
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    PositionWindowProcPtr PositionWindow;
    CopyWindowProcPtr CopyWindow;
    CreateWindowProcPtr CreateWindow;
    DestroyWindowProcPtr DestroyWindow;
    RealizeWindowProcPtr RealizeWindow;
    UnrealizeWindowProcPtr UnrealizeWindow;
    ClipNotifyProcPtr ClipNotify;
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    /*
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     * Called from ConfigureWindow, these
     * three track changes to the offscreen storage
     * geometry
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     */
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    ConfigNotifyProcPtr ConfigNotify;
    MoveWindowProcPtr MoveWindow;
    ResizeWindowProcPtr ResizeWindow;
    ChangeBorderWidthProcPtr ChangeBorderWidth;
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    /*
     * Reparenting has an effect on Subwindows redirect
     */
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    ReparentWindowProcPtr ReparentWindow;

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    /*
     * Colormaps for new visuals better not get installed
     */
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    InstallColormapProcPtr InstallColormap;
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    /*
     * Fake backing store via automatic redirection
     */
    ChangeWindowAttributesProcPtr ChangeWindowAttributes;

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    ScreenBlockHandlerProcPtr BlockHandler;
    CloseScreenProcPtr CloseScreen;
    int numAlternateVisuals;
    VisualID *alternateVisuals;

    WindowPtr pOverlayWin;
    Window overlayWid;
    CompOverlayClientPtr pOverlayClients;

    GetImageProcPtr GetImage;
    SourceValidateProcPtr SourceValidate;
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} CompScreenRec, *CompScreenPtr;

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extern DevPrivateKeyRec CompScreenPrivateKeyRec;
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#define CompScreenPrivateKey (&CompScreenPrivateKeyRec)

extern DevPrivateKeyRec CompWindowPrivateKeyRec;
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#define CompWindowPrivateKey (&CompWindowPrivateKeyRec)

extern DevPrivateKeyRec CompSubwindowsPrivateKeyRec;
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#define CompSubwindowsPrivateKey (&CompSubwindowsPrivateKeyRec)
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#define GetCompScreen(s) ((CompScreenPtr) \
    dixLookupPrivate(&(s)->devPrivates, CompScreenPrivateKey))
#define GetCompWindow(w) ((CompWindowPtr) \
    dixLookupPrivate(&(w)->devPrivates, CompWindowPrivateKey))
#define GetCompSubwindows(w) ((CompSubwindowsPtr) \
    dixLookupPrivate(&(w)->devPrivates, CompSubwindowsPrivateKey))
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extern RESTYPE CompositeClientSubwindowsType;
extern RESTYPE CompositeClientOverlayType;
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/*
 * compalloc.c
 */

Bool
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 compRedirectWindow(ClientPtr pClient, WindowPtr pWin, int update);
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void
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 compFreeClientWindow(WindowPtr pWin, XID id);
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int
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 compUnredirectWindow(ClientPtr pClient, WindowPtr pWin, int update);
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int
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 compRedirectSubwindows(ClientPtr pClient, WindowPtr pWin, int update);
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void
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 compFreeClientSubwindows(WindowPtr pWin, XID id);
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int
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 compUnredirectSubwindows(ClientPtr pClient, WindowPtr pWin, int update);
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int
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 compRedirectOneSubwindow(WindowPtr pParent, WindowPtr pWin);
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int
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 compUnredirectOneSubwindow(WindowPtr pParent, WindowPtr pWin);
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Bool
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 compAllocPixmap(WindowPtr pWin);
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void
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 compSetParentPixmap(WindowPtr pWin);
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void
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 compRestoreWindow(WindowPtr pWin, PixmapPtr pPixmap);
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Bool
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compReallocPixmap(WindowPtr pWin, int x, int y,
                  unsigned int w, unsigned int h, int bw);
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/*
 * compinit.c
 */

Bool
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 compScreenInit(ScreenPtr pScreen);
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/*
 * compoverlay.c
 */

void
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 compFreeOverlayClient(CompOverlayClientPtr pOcToDel);
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CompOverlayClientPtr
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compFindOverlayClient(ScreenPtr pScreen, ClientPtr pClient);

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CompOverlayClientPtr
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compCreateOverlayClient(ScreenPtr pScreen, ClientPtr pClient);
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Bool
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 compCreateOverlayWindow(ScreenPtr pScreen);
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void
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 compDestroyOverlayWindow(ScreenPtr pScreen);
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/*
 * compwindow.c
 */

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#ifdef COMPOSITE_DEBUG
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void
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 compCheckTree(ScreenPtr pScreen);
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#else
#define compCheckTree(s)
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#endif

void
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 compSetPixmap(WindowPtr pWin, PixmapPtr pPixmap);
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Bool
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 compCheckRedirect(WindowPtr pWin);
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Bool
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 compPositionWindow(WindowPtr pWin, int x, int y);
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Bool
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 compRealizeWindow(WindowPtr pWin);
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Bool
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 compUnrealizeWindow(WindowPtr pWin);
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void
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 compClipNotify(WindowPtr pWin, int dx, int dy);
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void
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 compMoveWindow(WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind);
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void
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compResizeWindow(WindowPtr pWin, int x, int y,
                 unsigned int w, unsigned int h, WindowPtr pSib);
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void
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 compChangeBorderWidth(WindowPtr pWin, unsigned int border_width);
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void
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 compReparentWindow(WindowPtr pWin, WindowPtr pPriorParent);
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Bool
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 compCreateWindow(WindowPtr pWin);
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Bool
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 compDestroyWindow(WindowPtr pWin);
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void
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 compSetRedirectBorderClip(WindowPtr pWin, RegionPtr pRegion);
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RegionPtr
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 compGetRedirectBorderClip(WindowPtr pWin);
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void
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 compCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
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void
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 compPaintChildrenToWindow(WindowPtr pWin);
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WindowPtr
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 CompositeRealChildHead(WindowPtr pWin);
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int
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 DeleteWindowNoInputDevices(pointer value, XID wid);
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int
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compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
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                 int bw, WindowPtr pSib);
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void PanoramiXCompositeInit(void);
void PanoramiXCompositeReset(void);
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#endif                          /* _COMPINT_H_ */