| 1 | /* $XFree86$ */
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| 2 | /*
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| 3 | * Copyright 2001-2003 Red Hat Inc., Durham, North Carolina.
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| 4 | *
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| 5 | * All Rights Reserved.
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| 6 | *
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining
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| 8 | * a copy of this software and associated documentation files (the
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| 9 | * "Software"), to deal in the Software without restriction, including
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| 10 | * without limitation on the rights to use, copy, modify, merge,
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| 11 | * publish, distribute, sublicense, and/or sell copies of the Software,
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| 12 | * and to permit persons to whom the Software is furnished to do so,
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| 13 | * subject to the following conditions:
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| 14 | *
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| 15 | * The above copyright notice and this permission notice (including the
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| 16 | * next paragraph) shall be included in all copies or substantial
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| 17 | * portions of the Software.
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| 18 | *
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 22 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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| 23 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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| 24 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 25 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| 26 | * SOFTWARE.
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| 27 | */
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| 28 |
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| 29 | /*
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| 30 | * Authors:
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| 31 | * Kevin E. Martin <[email protected]>
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| 32 | * David H. Dawes <[email protected]>
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| 33 | * Rickard E. (Rik) Faith <[email protected]>
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| 34 | *
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| 35 | */
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| 36 |
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| 37 | /** \file
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| 38 | * Main header file included by all other DMX-related files.
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| 39 | */
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| 40 |
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| 41 | /** \mainpage
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| 42 | * - <a href="http://dmx.sourceforge.net">DMX Home Page</a>
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| 43 | * - <a href="http://sourceforge.net/projects/dmx">DMX Project Page (on
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| 44 | * Source Forge)</a>
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| 45 | * - <a href="http://dmx.sourceforge.net/dmx.html">Distributed Multihead
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| 46 | * X design</a>, the design document for DMX
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| 47 | * - <a href="http://dmx.sourceforge.net/DMXSpec.txt">Client-to-Server
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| 48 | * DMX Extension to the X Protocol</a>
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| 49 | */
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| 50 |
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| 51 | #ifndef DMX_H
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| 52 | #define DMX_H
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| 53 |
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| 54 | #if HAVE_DMX_CONFIG_H
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| 55 | #include <dmx-config.h>
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| 56 | #endif
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| 57 |
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| 58 | #include "gcstruct.h"
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| 59 |
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| 60 | /* Handle client-side include files in one place. */
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| 61 | #include "dmxclient.h"
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| 62 |
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| 63 | #include "globals.h"
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| 64 | #include "scrnintstr.h"
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| 65 |
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| 66 | #ifdef RENDER
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| 67 | #include "picturestr.h"
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| 68 | #endif
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| 69 |
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| 70 | #ifdef GLXEXT
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| 71 | #include <GL/glx.h>
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| 72 | #include <GL/glxint.h>
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| 73 | #endif
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| 74 |
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| 75 | typedef enum {
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| 76 | PosNone = -1,
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| 77 | PosAbsolute = 0,
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| 78 | PosRightOf,
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| 79 | PosLeftOf,
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| 80 | PosAbove,
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| 81 | PosBelow,
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| 82 | PosRelative
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| 83 | } PositionType;
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| 84 |
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| 85 | /** Provide the typedef globally, but keep the contents opaque outside
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| 86 | * of the input routines. \see dmxinput.h */
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| 87 | typedef struct _DMXInputInfo DMXInputInfo;
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| 88 |
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| 89 | /** Provide the typedef globally, but keep the contents opaque outside
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| 90 | * of the XSync statistic routines. \see dmxstat.c */
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| 91 | typedef struct _DMXStatInfo DMXStatInfo;
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| 92 |
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| 93 | /** Global structure containing information about each backend screen. */
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| 94 | typedef struct _DMXScreenInfo {
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| 95 | const char *name; /**< Name from command line or config file */
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| 96 | int index; /**< Index into dmxScreens global */
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| 97 |
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| 98 | /*---------- Back-end X server information ----------*/
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| 99 |
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| 100 | Display *beDisplay; /**< Back-end X server's display */
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| 101 | int beWidth; /**< Width of BE display */
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| 102 | int beHeight; /**< Height of BE display */
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| 103 | int beDepth; /**< Depth of BE display */
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| 104 | int beBPP; /**< Bits per pixel of BE display */
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| 105 | int beXDPI; /**< Horizontal dots per inch of BE */
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| 106 | int beYDPI; /**< Vertical dots per inch of BE */
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| 107 |
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| 108 | int beNumDepths; /**< Number of depths on BE server */
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| 109 | int *beDepths; /**< Depths from BE server */
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| 110 |
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| 111 | int beNumPixmapFormats; /**< Number of pixmap formats on BE */
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| 112 | XPixmapFormatValues *bePixmapFormats; /**< Pixmap formats on BE */
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| 113 |
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| 114 | int beNumVisuals; /**< Number of visuals on BE */
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| 115 | XVisualInfo *beVisuals; /**< Visuals from BE server */
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| 116 | int beDefVisualIndex; /**< Default visual index of BE */
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| 117 |
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| 118 | int beNumDefColormaps; /**< Number of default colormaps */
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| 119 | Colormap *beDefColormaps; /**< Default colormaps for DMX server */
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| 120 |
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| 121 | Pixel beBlackPixel; /**< Default black pixel for BE */
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| 122 | Pixel beWhitePixel; /**< Default white pixel for BE */
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| 123 |
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| 124 | /*---------- Screen window information ----------*/
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| 125 |
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| 126 | Window scrnWin; /**< "Screen" window on backend display */
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| 127 | int scrnX; /**< X offset of "screen" WRT BE display */
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| 128 | int scrnY; /**< Y offset of "screen" WRT BE display */
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| 129 | int scrnWidth; /**< Width of "screen" */
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| 130 | int scrnHeight; /**< Height of "screen" */
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| 131 | int scrnXSign; /**< X offset sign of "screen" */
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| 132 | int scrnYSign; /**< Y offset sign of "screen" */
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| 133 |
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| 134 | /** Default drawables for "screen" */
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| 135 | Drawable scrnDefDrawables[MAXFORMATS];
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| 136 |
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| 137 | struct _DMXScreenInfo *next; /**< List of "screens" on same display */
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| 138 | struct _DMXScreenInfo *over; /**< List of "screens" that overlap */
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| 139 |
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| 140 | /*---------- Root window information ----------*/
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| 141 |
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| 142 | Window rootWin; /**< "Root" window on backend display */
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| 143 | int rootX; /**< X offset of "root" window WRT "screen"*/
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| 144 | int rootY; /**< Y offset of "root" window WRT "screen"*/
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| 145 | int rootWidth; /**< Width of "root" window */
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| 146 | int rootHeight; /**< Height of "root" window */
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| 147 |
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| 148 | int rootXOrigin; /**< Global X origin of "root" window */
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| 149 | int rootYOrigin; /**< Global Y origin of "root" window */
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| 150 |
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| 151 | /*---------- Shadow framebuffer information ----------*/
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| 152 |
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| 153 | void *shadow; /**< Shadow framebuffer data (if enabled) */
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| 154 | XlibGC shadowGC; /**< Default GC used by shadow FB code */
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| 155 | XImage *shadowFBImage; /**< Screen image used by shadow FB code */
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| 156 |
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| 157 | /*---------- Other related information ----------*/
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| 158 |
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| 159 | int shared; /**< Non-zero if another Xdmx is running */
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| 160 |
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| 161 | Bool WMRunningOnBE;
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| 162 |
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| 163 | Cursor noCursor;
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| 164 | Cursor curCursor;
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| 165 | /* Support for cursors on overlapped
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| 166 | * backend displays. */
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| 167 | CursorPtr cursor;
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| 168 | int cursorVisible;
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| 169 | int cursorNotShared; /* for overlapping screens on a backend */
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| 170 |
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| 171 | PositionType where; /**< Relative layout information */
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| 172 | int whereX; /**< Relative layout information */
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| 173 | int whereY; /**< Relative layout information */
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| 174 | int whereRefScreen; /**< Relative layout information */
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| 175 |
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| 176 | int savedTimeout; /**< Original screen saver timeout */
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| 177 | int dpmsCapable; /**< Non-zero if backend is DPMS capable */
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| 178 | int dpmsEnabled; /**< Non-zero if DPMS enabled */
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| 179 | int dpmsStandby; /**< Original DPMS standby value */
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| 180 | int dpmsSuspend; /**< Original DPMS suspend value */
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| 181 | int dpmsOff; /**< Original DPMS off value */
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| 182 |
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| 183 | DMXStatInfo *stat; /**< Statistics about XSync */
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| 184 | Bool needsSync; /**< True if an XSync is pending */
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| 185 |
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| 186 | #ifdef GLXEXT
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| 187 | /** Visual information for glxProxy */
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| 188 | int numGlxVisuals;
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| 189 | __GLXvisualConfig *glxVisuals;
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| 190 | int glxMajorOpcode;
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| 191 | int glxErrorBase;
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| 192 |
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| 193 | /** FB config information for glxProxy */
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| 194 | __GLXFBConfig *fbconfigs;
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| 195 | int numFBConfigs;
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| 196 | #endif
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| 197 |
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| 198 | /** Function pointers to wrapped screen
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| 199 | * functions */
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| 200 | CloseScreenProcPtr CloseScreen;
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| 201 | SaveScreenProcPtr SaveScreen;
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| 202 |
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| 203 | CreateGCProcPtr CreateGC;
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| 204 |
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| 205 | CreateWindowProcPtr CreateWindow;
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| 206 | DestroyWindowProcPtr DestroyWindow;
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| 207 | PositionWindowProcPtr PositionWindow;
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| 208 | ChangeWindowAttributesProcPtr ChangeWindowAttributes;
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| 209 | RealizeWindowProcPtr RealizeWindow;
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| 210 | UnrealizeWindowProcPtr UnrealizeWindow;
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| 211 | RestackWindowProcPtr RestackWindow;
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| 212 | WindowExposuresProcPtr WindowExposures;
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| 213 | PaintWindowBackgroundProcPtr PaintWindowBackground;
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| 214 | PaintWindowBorderProcPtr PaintWindowBorder;
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| 215 | CopyWindowProcPtr CopyWindow;
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| 216 |
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| 217 | ResizeWindowProcPtr ResizeWindow;
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| 218 | ReparentWindowProcPtr ReparentWindow;
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| 219 |
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| 220 | ChangeBorderWidthProcPtr ChangeBorderWidth;
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| 221 |
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| 222 | GetImageProcPtr GetImage;
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| 223 | GetSpansProcPtr GetSpans;
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| 224 |
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| 225 | CreatePixmapProcPtr CreatePixmap;
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| 226 | DestroyPixmapProcPtr DestroyPixmap;
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| 227 | BitmapToRegionProcPtr BitmapToRegion;
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| 228 |
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| 229 | RealizeFontProcPtr RealizeFont;
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| 230 | UnrealizeFontProcPtr UnrealizeFont;
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| 231 |
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| 232 | CreateColormapProcPtr CreateColormap;
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| 233 | DestroyColormapProcPtr DestroyColormap;
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| 234 | InstallColormapProcPtr InstallColormap;
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| 235 | StoreColorsProcPtr StoreColors;
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| 236 |
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| 237 | #ifdef SHAPE
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| 238 | SetShapeProcPtr SetShape;
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| 239 | #endif
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| 240 |
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| 241 | #ifdef RENDER
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| 242 | CreatePictureProcPtr CreatePicture;
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| 243 | DestroyPictureProcPtr DestroyPicture;
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| 244 | ChangePictureClipProcPtr ChangePictureClip;
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| 245 | DestroyPictureClipProcPtr DestroyPictureClip;
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| 246 |
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| 247 | ChangePictureProcPtr ChangePicture;
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| 248 | ValidatePictureProcPtr ValidatePicture;
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| 249 |
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| 250 | CompositeProcPtr Composite;
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| 251 | GlyphsProcPtr Glyphs;
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| 252 | CompositeRectsProcPtr CompositeRects;
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| 253 |
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| 254 | InitIndexedProcPtr InitIndexed;
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| 255 | CloseIndexedProcPtr CloseIndexed;
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| 256 | UpdateIndexedProcPtr UpdateIndexed;
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| 257 |
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| 258 | TrapezoidsProcPtr Trapezoids;
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| 259 | TrianglesProcPtr Triangles;
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| 260 | TriStripProcPtr TriStrip;
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| 261 | TriFanProcPtr TriFan;
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| 262 | #endif
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| 263 | } DMXScreenInfo;
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| 264 |
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| 265 | /* Global variables available to all Xserver/hw/dmx routines. */
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| 266 | extern int dmxNumScreens; /**< Number of dmxScreens */
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| 267 | extern DMXScreenInfo *dmxScreens; /**< List of outputs */
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| 268 | extern int dmxShadowFB; /**< Non-zero if using
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| 269 | * shadow frame-buffer
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| 270 | * (deprecated) */
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| 271 | extern XErrorEvent dmxLastErrorEvent; /**< Last error that
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| 272 | * occurred */
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| 273 | extern Bool dmxErrorOccurred; /**< True if an error
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| 274 | * occurred */
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| 275 | extern Bool dmxOffScreenOpt; /**< True if using off
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| 276 | * screen
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| 277 | * optimizations */
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| 278 | extern Bool dmxSubdividePrimitives; /**< True if using the
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| 279 | * primitive subdivision
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| 280 | * optimization */
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| 281 | extern Bool dmxLazyWindowCreation; /**< True if using the
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| 282 | * lazy window creation
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| 283 | * optimization */
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| 284 | extern Bool dmxUseXKB; /**< True if the XKB
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| 285 | * extension should be
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| 286 | * used with the backend
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| 287 | * servers */
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| 288 | extern int dmxDepth; /**< Requested depth if
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| 289 | * non-zero */
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| 290 | #ifdef GLXEXT
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| 291 | extern Bool dmxGLXProxy; /**< True if glxProxy
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| 292 | * support is enabled */
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| 293 | extern Bool dmxGLXSwapGroupSupport; /**< True if glxProxy
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| 294 | * support for swap
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| 295 | * groups and barriers
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| 296 | * is enabled */
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| 297 | extern Bool dmxGLXSyncSwap; /**< True if glxProxy
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| 298 | * should force an XSync
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| 299 | * request after each
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| 300 | * swap buffers call */
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| 301 | extern Bool dmxGLXFinishSwap; /**< True if glxProxy
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| 302 | * should force a
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| 303 | * glFinish request
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| 304 | * after each swap
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| 305 | * buffers call */
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| 306 | #endif
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| 307 | extern char *dmxFontPath; /**< NULL if no font
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| 308 | * path is set on the
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| 309 | * command line;
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| 310 | * otherwise, a string
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| 311 | * of comma separated
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| 312 | * paths built from the
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| 313 | * command line
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| 314 | * specified font
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| 315 | * paths */
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| 316 | extern Bool dmxIgnoreBadFontPaths; /**< True if bad font
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| 317 | * paths should be
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| 318 | * ignored during server
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| 319 | * init */
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| 320 | extern Bool dmxAddRemoveScreens; /**< True if add and
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| 321 | * remove screens support
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| 322 | * is enabled */
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| 323 |
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| 324 | /** Wrap screen or GC function pointer */
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| 325 | #define DMX_WRAP(_entry, _newfunc, _saved, _actual) \
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| 326 | do { \
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| 327 | (_saved)->_entry = (_actual)->_entry; \
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| 328 | (_actual)->_entry = (_newfunc); \
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| 329 | } while (0)
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| 330 |
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| 331 | /** Unwrap screen or GC function pointer */
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| 332 | #define DMX_UNWRAP(_entry, _saved, _actual) \
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| 333 | do { \
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| 334 | (_actual)->_entry = (_saved)->_entry; \
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| 335 | } while (0)
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| 336 |
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| 337 | /* Define the MAXSCREENSALLOC/FREE macros, when MAXSCREENS patch has not
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| 338 | * been applied to sources. */
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| 339 | #ifdef MAXSCREENS
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| 340 | #define MAXSCREEN_MAKECONSTSTR1(x) #x
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| 341 | #define MAXSCREEN_MAKECONSTSTR2(x) MAXSCREEN_MAKECONSTSTR1(x)
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| 342 |
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| 343 | #define MAXSCREEN_FAILED_TXT "Failed at [" \
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| 344 | MAXSCREEN_MAKECONSTSTR2(__LINE__) ":" __FILE__ "] to allocate object: "
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| 345 |
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| 346 | #define _MAXSCREENSALLOCF(o,size,fatal) \
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| 347 | do { \
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| 348 | if (!o) { \
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| 349 | o = xalloc((size) * sizeof(*(o))); \
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| 350 | if (o) memset(o, 0, (size) * sizeof(*(o))); \
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| 351 | if (!o && fatal) FatalError(MAXSCREEN_FAILED_TXT #o); \
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| 352 | } \
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| 353 | } while (0)
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| 354 | #define _MAXSCREENSALLOCR(o,size,retval) \
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| 355 | do { \
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| 356 | if (!o) { \
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| 357 | o = xalloc((size) * sizeof(*(o))); \
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| 358 | if (o) memset(o, 0, (size) * sizeof(*(o))); \
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| 359 | if (!o) return retval; \
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| 360 | } \
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| 361 | } while (0)
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| 362 |
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| 363 | #define MAXSCREENSFREE(o) \
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| 364 | do { \
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| 365 | if (o) xfree(o); \
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| 366 | o = NULL; \
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| 367 | } while (0)
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| 368 |
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| 369 | #define MAXSCREENSALLOC(o) _MAXSCREENSALLOCF(o,MAXSCREENS, 0)
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| 370 | #define MAXSCREENSALLOC_FATAL(o) _MAXSCREENSALLOCF(o,MAXSCREENS, 1)
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| 371 | #define MAXSCREENSALLOC_RETURN(o,r) _MAXSCREENSALLOCR(o,MAXSCREENS, (r))
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| 372 | #define MAXSCREENSALLOCPLUSONE(o) _MAXSCREENSALLOCF(o,MAXSCREENS+1,0)
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| 373 | #define MAXSCREENSALLOCPLUSONE_FATAL(o) _MAXSCREENSALLOCF(o,MAXSCREENS+1,1)
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| 374 | #define MAXSCREENSCALLOC(o,m) _MAXSCREENSALLOCF(o,MAXSCREENS*(m),0)
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| 375 | #define MAXSCREENSCALLOC_FATAL(o,m) _MAXSCREENSALLOCF(o,MAXSCREENS*(m),1)
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| 376 | #endif
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| 377 |
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| 378 | #endif /* DMX_H */
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