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comparison src/video/x11/SDL_x11video.h @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 24878c14b391
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1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 #ifndef _SDL_x11video_h
29 #define _SDL_x11video_h
30
31 #include <X11/Xlib.h>
32 #include <X11/Xutil.h>
33 #include <X11/Xatom.h>
34 #ifndef NO_SHARED_MEMORY
35 #include <sys/ipc.h>
36 #include <sys/shm.h>
37 #include <X11/extensions/XShm.h>
38 #endif
39 #ifdef XFREE86_DGAMOUSE
40 #include <X11/extensions/xf86dga.h>
41 #endif
42 #ifdef XFREE86_VM
43 #include <X11/extensions/xf86vmode.h>
44 #ifdef XFREE86_VM_DYNAMIC_HACK
45 #define XVidMode(func, args) XF40VidMode##func args
46 #else
47 #define XVidMode(func, args) XF86VidMode##func args
48 #endif
49 #endif /* XFREE86_VM */
50 #include <string.h>
51
52 #include "SDL_mouse.h"
53 #include "SDL_sysvideo.h"
54
55 /* Hidden "this" pointer for the video functions */
56 #define _THIS SDL_VideoDevice *this
57
58 /* Private display data */
59 struct SDL_PrivateVideoData {
60 int local_X11; /* Flag: true if local display */
61 Display *X11_Display; /* Used for events and window management */
62 Display *GFX_Display; /* Used for graphics and colormap stuff */
63 Visual *SDL_Visual; /* The visual used by our window */
64 Window WMwindow; /* Input window, managed by window manager */
65 Window FSwindow; /* Fullscreen window, completely unmanaged */
66 Window SDL_Window; /* Shared by both displays (no X security?) */
67 Atom WM_DELETE_WINDOW; /* "close-window" protocol atom */
68 WMcursor *BlankCursor; /* The invisible cursor */
69
70 char *SDL_windowid; /* Flag: true if we have been passed a window */
71
72 /* Direct Graphics Access extension information */
73 int using_dga;
74
75 #ifndef NO_SHARED_MEMORY
76 /* MIT shared memory extension information */
77 int use_mitshm;
78 XShmSegmentInfo shminfo;
79 #endif
80
81 /* The variables used for displaying graphics */
82 XImage *Ximage; /* The X image for our window */
83 GC gc; /* The graphic context for drawing */
84 int swap_pixels; /* Flag: true if display is swapped endian */
85
86 /* The current width and height of the fullscreen mode */
87 int current_w;
88 int current_h;
89
90 /* Support for internal mouse warping */
91 struct {
92 int x;
93 int y;
94 } mouse_last;
95 struct {
96 int numerator;
97 int denominator;
98 int threshold;
99 } mouse_accel;
100 int mouse_relative;
101
102 /* The current list of available video modes */
103 SDL_Rect **modelist;
104
105 /* available visuals of interest to us, sorted deepest first */
106 struct {
107 Visual *visual;
108 int depth; /* number of significant bits/pixel */
109 int bpp; /* pixel quantum in bits */
110 } visuals[2*5]; /* at most 2 entries for 8, 15, 16, 24, 32 */
111 int nvisuals;
112
113 Visual *vis; /* current visual in use */
114 int depth; /* current visual depth (not bpp) */
115
116 /* Variables used by the X11 video mode code */
117 #ifdef XFREE86_VM
118 XF86VidModeModeInfo saved_mode;
119 struct {
120 int x, y;
121 } saved_view;
122 #endif
123 int use_vidmode;
124 int currently_fullscreen;
125
126 /* Automatic mode switching support (entering/leaving fullscreen) */
127 Uint32 switch_waiting;
128 Uint32 switch_time;
129
130 /* Prevent too many XSync() calls */
131 int blit_queued;
132
133 /* Colormap handling */
134 Colormap DisplayColormap; /* The default display colormap */
135 Colormap XColorMap; /* The current window colormap */
136 int *XPixels; /* pixels value allocation counts */
137 float gamma_saved[3]; /* Saved gamma values for VidMode gamma */
138 int gamma_changed; /* flag: has VidMode gamma been modified? */
139
140 short *iconcolors; /* List of colors used by the icon */
141 };
142
143 /* Old variable names */
144 #define local_X11 (this->hidden->local_X11)
145 #define SDL_Display (this->hidden->X11_Display)
146 #define GFX_Display (this->hidden->GFX_Display)
147 #define SDL_Screen DefaultScreen(this->hidden->X11_Display)
148
149 #define SDL_Visual (this->hidden->vis)
150
151 #define SDL_Root RootWindow(SDL_Display, SDL_Screen)
152 #define WMwindow (this->hidden->WMwindow)
153 #define FSwindow (this->hidden->FSwindow)
154 #define SDL_Window (this->hidden->SDL_Window)
155 #define WM_DELETE_WINDOW (this->hidden->WM_DELETE_WINDOW)
156 #define SDL_BlankCursor (this->hidden->BlankCursor)
157 #define SDL_windowid (this->hidden->SDL_windowid)
158 #define using_dga (this->hidden->using_dga)
159 #define use_mitshm (this->hidden->use_mitshm)
160 #define shminfo (this->hidden->shminfo)
161 #define SDL_Ximage (this->hidden->Ximage)
162 #define SDL_GC (this->hidden->gc)
163 #define swap_pixels (this->hidden->swap_pixels)
164 #define current_w (this->hidden->current_w)
165 #define current_h (this->hidden->current_h)
166 #define mouse_last (this->hidden->mouse_last)
167 #define mouse_accel (this->hidden->mouse_accel)
168 #define mouse_relative (this->hidden->mouse_relative)
169 #define SDL_modelist (this->hidden->modelist)
170 #define saved_mode (this->hidden->saved_mode)
171 #define saved_view (this->hidden->saved_view)
172 #define use_vidmode (this->hidden->use_vidmode)
173 #define currently_fullscreen (this->hidden->currently_fullscreen)
174 #define switch_waiting (this->hidden->switch_waiting)
175 #define switch_time (this->hidden->switch_time)
176 #define blit_queued (this->hidden->blit_queued)
177 #define SDL_DisplayColormap (this->hidden->DisplayColormap)
178 #define SDL_PrivateColormap (this->hidden->PrivateColormap)
179 #define SDL_XColorMap (this->hidden->XColorMap)
180 #define SDL_XPixels (this->hidden->XPixels)
181 #define gamma_saved (this->hidden->gamma_saved)
182 #define gamma_changed (this->hidden->gamma_changed)
183 #define SDL_iconcolors (this->hidden->iconcolors)
184
185 /* Some versions of XFree86 have bugs - detect if this is one of them */
186 #define BUGGY_XFREE86(condition, buggy_version) \
187 ((strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \
188 (VendorRelease(SDL_Display) condition buggy_version))
189
190 #endif /* _SDL_x11video_h */