372 lines
15 KiB
C
372 lines
15 KiB
C
/*
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* Copyright 2001-2003 Red Hat Inc., Durham, North Carolina.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Authors:
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* Kevin E. Martin <kem@redhat.com>
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* David H. Dawes <dawes@xfree86.org>
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* Rickard E. (Rik) Faith <faith@redhat.com>
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*
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*/
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/** \file
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* Main header file included by all other DMX-related files.
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*/
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/** \mainpage
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* - <a href="http://dmx.sourceforge.net">DMX Home Page</a>
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* - <a href="http://sourceforge.net/projects/dmx">DMX Project Page (on
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* Source Forge)</a>
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* - <a href="http://dmx.sourceforge.net/dmx.html">Distributed Multihead
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* X design</a>, the design document for DMX
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* - <a href="http://dmx.sourceforge.net/DMXSpec.txt">Client-to-Server
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* DMX Extension to the X Protocol</a>
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*/
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#ifndef DMX_H
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#define DMX_H
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#if HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#endif
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#include "gcstruct.h"
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/* Handle client-side include files in one place. */
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#include "dmxclient.h"
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#include "globals.h"
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#include "scrnintstr.h"
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#ifdef RENDER
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#include "picturestr.h"
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#endif
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#ifdef GLXEXT
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#include <GL/glx.h>
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#include <GL/glxint.h>
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#endif
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typedef enum {
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PosNone = -1,
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PosAbsolute = 0,
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PosRightOf,
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PosLeftOf,
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PosAbove,
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PosBelow,
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PosRelative
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} PositionType;
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/** Provide the typedef globally, but keep the contents opaque outside
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* of the input routines. \see dmxinput.h */
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typedef struct _DMXInputInfo DMXInputInfo;
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/** Provide the typedef globally, but keep the contents opaque outside
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* of the XSync statistic routines. \see dmxstat.c */
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typedef struct _DMXStatInfo DMXStatInfo;
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/** Global structure containing information about each backend screen. */
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typedef struct _DMXScreenInfo {
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const char *name; /**< Name from command line or config file */
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int index; /**< Index into dmxScreens global */
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/*---------- Back-end X server information ----------*/
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Display *beDisplay; /**< Back-end X server's display */
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int beWidth; /**< Width of BE display */
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int beHeight; /**< Height of BE display */
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int beDepth; /**< Depth of BE display */
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int beBPP; /**< Bits per pixel of BE display */
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int beXDPI; /**< Horizontal dots per inch of BE */
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int beYDPI; /**< Vertical dots per inch of BE */
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int beNumDepths; /**< Number of depths on BE server */
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int *beDepths; /**< Depths from BE server */
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int beNumPixmapFormats; /**< Number of pixmap formats on BE */
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XPixmapFormatValues *bePixmapFormats; /**< Pixmap formats on BE */
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int beNumVisuals; /**< Number of visuals on BE */
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XVisualInfo *beVisuals; /**< Visuals from BE server */
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int beDefVisualIndex; /**< Default visual index of BE */
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int beNumDefColormaps; /**< Number of default colormaps */
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Colormap *beDefColormaps; /**< Default colormaps for DMX server */
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Pixel beBlackPixel; /**< Default black pixel for BE */
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Pixel beWhitePixel; /**< Default white pixel for BE */
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/*---------- Screen window information ----------*/
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Window scrnWin; /**< "Screen" window on backend display */
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int scrnX; /**< X offset of "screen" WRT BE display */
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int scrnY; /**< Y offset of "screen" WRT BE display */
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int scrnWidth; /**< Width of "screen" */
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int scrnHeight; /**< Height of "screen" */
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int scrnXSign; /**< X offset sign of "screen" */
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int scrnYSign; /**< Y offset sign of "screen" */
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/** Default drawables for "screen" */
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Drawable scrnDefDrawables[MAXFORMATS];
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struct _DMXScreenInfo *next; /**< List of "screens" on same display */
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struct _DMXScreenInfo *over; /**< List of "screens" that overlap */
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/*---------- Root window information ----------*/
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Window rootWin; /**< "Root" window on backend display */
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int rootX; /**< X offset of "root" window WRT "screen"*/
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int rootY; /**< Y offset of "root" window WRT "screen"*/
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int rootWidth; /**< Width of "root" window */
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int rootHeight; /**< Height of "root" window */
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int rootXOrigin; /**< Global X origin of "root" window */
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int rootYOrigin; /**< Global Y origin of "root" window */
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/*---------- Shadow framebuffer information ----------*/
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void *shadow; /**< Shadow framebuffer data (if enabled) */
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XlibGC shadowGC; /**< Default GC used by shadow FB code */
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XImage *shadowFBImage; /**< Screen image used by shadow FB code */
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/*---------- Other related information ----------*/
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int shared; /**< Non-zero if another Xdmx is running */
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Bool WMRunningOnBE;
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Cursor noCursor;
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Cursor curCursor;
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/* Support for cursors on overlapped
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* backend displays. */
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CursorPtr cursor;
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int cursorVisible;
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int cursorNotShared; /* for overlapping screens on a backend */
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PositionType where; /**< Relative layout information */
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int whereX; /**< Relative layout information */
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int whereY; /**< Relative layout information */
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int whereRefScreen; /**< Relative layout information */
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int savedTimeout; /**< Original screen saver timeout */
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int dpmsCapable; /**< Non-zero if backend is DPMS capable */
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int dpmsEnabled; /**< Non-zero if DPMS enabled */
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int dpmsStandby; /**< Original DPMS standby value */
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int dpmsSuspend; /**< Original DPMS suspend value */
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int dpmsOff; /**< Original DPMS off value */
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DMXStatInfo *stat; /**< Statistics about XSync */
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Bool needsSync; /**< True if an XSync is pending */
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#ifdef GLXEXT
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/** Visual information for glxProxy */
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int numGlxVisuals;
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__GLXvisualConfig *glxVisuals;
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int glxMajorOpcode;
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int glxErrorBase;
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/** FB config information for glxProxy */
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__GLXFBConfig *fbconfigs;
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int numFBConfigs;
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#endif
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/** Function pointers to wrapped screen
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* functions */
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CloseScreenProcPtr CloseScreen;
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SaveScreenProcPtr SaveScreen;
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CreateGCProcPtr CreateGC;
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CreateWindowProcPtr CreateWindow;
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DestroyWindowProcPtr DestroyWindow;
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PositionWindowProcPtr PositionWindow;
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ChangeWindowAttributesProcPtr ChangeWindowAttributes;
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RealizeWindowProcPtr RealizeWindow;
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UnrealizeWindowProcPtr UnrealizeWindow;
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RestackWindowProcPtr RestackWindow;
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WindowExposuresProcPtr WindowExposures;
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CopyWindowProcPtr CopyWindow;
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ResizeWindowProcPtr ResizeWindow;
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ReparentWindowProcPtr ReparentWindow;
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ChangeBorderWidthProcPtr ChangeBorderWidth;
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GetImageProcPtr GetImage;
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GetSpansProcPtr GetSpans;
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CreatePixmapProcPtr CreatePixmap;
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DestroyPixmapProcPtr DestroyPixmap;
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BitmapToRegionProcPtr BitmapToRegion;
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RealizeFontProcPtr RealizeFont;
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UnrealizeFontProcPtr UnrealizeFont;
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CreateColormapProcPtr CreateColormap;
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DestroyColormapProcPtr DestroyColormap;
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InstallColormapProcPtr InstallColormap;
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StoreColorsProcPtr StoreColors;
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SetShapeProcPtr SetShape;
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#ifdef RENDER
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CreatePictureProcPtr CreatePicture;
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DestroyPictureProcPtr DestroyPicture;
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ChangePictureClipProcPtr ChangePictureClip;
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DestroyPictureClipProcPtr DestroyPictureClip;
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ChangePictureProcPtr ChangePicture;
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ValidatePictureProcPtr ValidatePicture;
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CompositeProcPtr Composite;
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GlyphsProcPtr Glyphs;
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CompositeRectsProcPtr CompositeRects;
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InitIndexedProcPtr InitIndexed;
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CloseIndexedProcPtr CloseIndexed;
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UpdateIndexedProcPtr UpdateIndexed;
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TrapezoidsProcPtr Trapezoids;
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TrianglesProcPtr Triangles;
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TriStripProcPtr TriStrip;
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TriFanProcPtr TriFan;
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#endif
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} DMXScreenInfo;
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/* Global variables available to all Xserver/hw/dmx routines. */
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extern int dmxNumScreens; /**< Number of dmxScreens */
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extern DMXScreenInfo *dmxScreens; /**< List of outputs */
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extern int dmxShadowFB; /**< Non-zero if using
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* shadow frame-buffer
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* (deprecated) */
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extern XErrorEvent dmxLastErrorEvent; /**< Last error that
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* occurred */
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extern Bool dmxErrorOccurred; /**< True if an error
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* occurred */
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extern Bool dmxOffScreenOpt; /**< True if using off
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* screen
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* optimizations */
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extern Bool dmxSubdividePrimitives; /**< True if using the
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* primitive subdivision
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* optimization */
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extern Bool dmxLazyWindowCreation; /**< True if using the
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* lazy window creation
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* optimization */
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extern Bool dmxUseXKB; /**< True if the XKB
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* extension should be
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* used with the backend
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* servers */
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extern int dmxDepth; /**< Requested depth if
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* non-zero */
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#ifdef GLXEXT
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extern Bool dmxGLXProxy; /**< True if glxProxy
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* support is enabled */
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extern Bool dmxGLXSwapGroupSupport; /**< True if glxProxy
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* support for swap
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* groups and barriers
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* is enabled */
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extern Bool dmxGLXSyncSwap; /**< True if glxProxy
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* should force an XSync
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* request after each
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* swap buffers call */
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extern Bool dmxGLXFinishSwap; /**< True if glxProxy
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* should force a
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* glFinish request
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* after each swap
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* buffers call */
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#endif
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extern char *dmxFontPath; /**< NULL if no font
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* path is set on the
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* command line;
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* otherwise, a string
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* of comma separated
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* paths built from the
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* command line
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* specified font
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* paths */
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extern Bool dmxIgnoreBadFontPaths; /**< True if bad font
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* paths should be
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* ignored during server
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* init */
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extern Bool dmxAddRemoveScreens; /**< True if add and
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* remove screens support
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* is enabled */
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/** Wrap screen or GC function pointer */
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#define DMX_WRAP(_entry, _newfunc, _saved, _actual) \
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do { \
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(_saved)->_entry = (_actual)->_entry; \
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(_actual)->_entry = (_newfunc); \
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} while (0)
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/** Unwrap screen or GC function pointer */
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#define DMX_UNWRAP(_entry, _saved, _actual) \
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do { \
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(_actual)->_entry = (_saved)->_entry; \
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} while (0)
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/* Define the MAXSCREENSALLOC/FREE macros, when MAXSCREENS patch has not
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* been applied to sources. */
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#ifdef MAXSCREENS
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#define MAXSCREEN_MAKECONSTSTR1(x) #x
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#define MAXSCREEN_MAKECONSTSTR2(x) MAXSCREEN_MAKECONSTSTR1(x)
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#define MAXSCREEN_FAILED_TXT "Failed at [" \
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MAXSCREEN_MAKECONSTSTR2(__LINE__) ":" __FILE__ "] to allocate object: "
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#define _MAXSCREENSALLOCF(o,size,fatal) \
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do { \
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if (!o) { \
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o = calloc((size), sizeof(*(o))); \
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if (!o && fatal) FatalError(MAXSCREEN_FAILED_TXT #o); \
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} \
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} while (0)
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#define _MAXSCREENSALLOCR(o,size,retval) \
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do { \
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if (!o) { \
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o = calloc((size), sizeof(*(o))); \
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if (!o) return retval; \
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} \
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} while (0)
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#define MAXSCREENSFREE(o) \
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do { \
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if (o) free(o); \
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o = NULL; \
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} while (0)
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#define MAXSCREENSALLOC(o) _MAXSCREENSALLOCF(o,MAXSCREENS, 0)
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#define MAXSCREENSALLOC_FATAL(o) _MAXSCREENSALLOCF(o,MAXSCREENS, 1)
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#define MAXSCREENSALLOC_RETURN(o,r) _MAXSCREENSALLOCR(o,MAXSCREENS, (r))
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#define MAXSCREENSALLOCPLUSONE(o) _MAXSCREENSALLOCF(o,MAXSCREENS+1,0)
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#define MAXSCREENSALLOCPLUSONE_FATAL(o) _MAXSCREENSALLOCF(o,MAXSCREENS+1,1)
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#define MAXSCREENSCALLOC(o,m) _MAXSCREENSALLOCF(o,MAXSCREENS*(m),0)
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#define MAXSCREENSCALLOC_FATAL(o,m) _MAXSCREENSALLOCF(o,MAXSCREENS*(m),1)
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#endif
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#endif /* DMX_H */
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