annotate src/video/x11/SDL_x11video.h @ 1168:045f186426e1

Dynamically load X11 libraries like we currently do for alsa, esd, etc. This allows you to run an SDL program on a system without Xlib, since it'll just report the x11 target unavailable at runtime.
author Ryan C. Gordon <icculus@icculus.org>
date Sat, 05 Nov 2005 19:53:37 +0000
parents b8d311d90021
children 9867f3d86e44
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_x11video_h
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29 #define _SDL_x11video_h
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30
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31 #include <X11/Xlib.h>
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32 #include <X11/Xutil.h>
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33 #include <X11/Xatom.h>
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34
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35 #ifdef XFREE86_DGAMOUSE
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36 #include <XFree86/extensions/xf86dga.h>
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37 #endif
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38 #ifdef XFREE86_VM
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39 #include <XFree86/extensions/xf86vmode.h>
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40 #endif
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41 #ifdef HAVE_XIGXME
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42 #include <X11/extensions/xme.h>
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43 #endif
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44
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45 #include <string.h>
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46
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47 #include "SDL_mouse.h"
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48 #include "SDL_sysvideo.h"
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49 #include "SDL_x11dyn.h"
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50
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51 /* Hidden "this" pointer for the video functions */
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52 #define _THIS SDL_VideoDevice *this
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53
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54 /* Private display data */
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55 struct SDL_PrivateVideoData {
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56 int local_X11; /* Flag: true if local display */
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57 Display *X11_Display; /* Used for events and window management */
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58 Display *GFX_Display; /* Used for graphics and colormap stuff */
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59 Visual *SDL_Visual; /* The visual used by our window */
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60 Window WMwindow; /* Input window, managed by window manager */
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61 Window FSwindow; /* Fullscreen window, completely unmanaged */
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62 Window SDL_Window; /* Shared by both displays (no X security?) */
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63 Atom WM_DELETE_WINDOW; /* "close-window" protocol atom */
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64 WMcursor *BlankCursor; /* The invisible cursor */
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65
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66 char *SDL_windowid; /* Flag: true if we have been passed a window */
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67
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68 /* Direct Graphics Access extension information */
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69 int using_dga;
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70
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71 #ifndef NO_SHARED_MEMORY
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72 /* MIT shared memory extension information */
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73 int use_mitshm;
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74 XShmSegmentInfo shminfo;
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75 #endif
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76
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77 /* The variables used for displaying graphics */
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78 XImage *Ximage; /* The X image for our window */
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79 GC gc; /* The graphic context for drawing */
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80
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81 /* The current width and height of the fullscreen mode */
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82 int current_w;
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83 int current_h;
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84
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85 /* Support for internal mouse warping */
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86 struct {
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87 int x;
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88 int y;
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89 } mouse_last;
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90 struct {
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91 int numerator;
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92 int denominator;
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93 int threshold;
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94 } mouse_accel;
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95 int mouse_relative;
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96
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97 /* The current list of available video modes */
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98 SDL_Rect **modelist;
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99
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100 /* available visuals of interest to us, sorted deepest first */
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101 struct {
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102 Visual *visual;
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103 int depth; /* number of significant bits/pixel */
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104 int bpp; /* pixel quantum in bits */
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105 } visuals[2*5]; /* at most 2 entries for 8, 15, 16, 24, 32 */
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106 int nvisuals;
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107
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108 Visual *vis; /* current visual in use */
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109 int depth; /* current visual depth (not bpp) */
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110
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111 /* Variables used by the X11 video mode code */
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112 #ifdef XFREE86_VM
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113 SDL_NAME(XF86VidModeModeInfo) saved_mode;
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114 struct {
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115 int x, y;
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116 } saved_view;
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117 #endif
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118 #ifdef HAVE_XIGXME /* XiG XME fullscreen */
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119 int use_xme;
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120 XiGMiscResolutionInfo saved_res;
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121 #endif
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122
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123 int xinerama_x;
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124 int xinerama_y;
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125 int use_vidmode;
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126 int currently_fullscreen;
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127
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128 /* Automatic mode switching support (entering/leaving fullscreen) */
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129 Uint32 switch_waiting;
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130 Uint32 switch_time;
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131
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132 /* Prevent too many XSync() calls */
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133 int blit_queued;
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134
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135 /* Colormap handling */
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136 Colormap DisplayColormap; /* The default display colormap */
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137 Colormap XColorMap; /* The current window colormap */
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138 int *XPixels; /* pixels value allocation counts */
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139 float gamma_saved[3]; /* Saved gamma values for VidMode gamma */
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140 int gamma_changed; /* flag: has VidMode gamma been modified? */
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141
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142 short *iconcolors; /* List of colors used by the icon */
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143 };
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144
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145 /* Old variable names */
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146 #define local_X11 (this->hidden->local_X11)
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147 #define SDL_Display (this->hidden->X11_Display)
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148 #define GFX_Display (this->hidden->GFX_Display)
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149 #define SDL_Screen DefaultScreen(this->hidden->X11_Display)
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150
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151 #define SDL_Visual (this->hidden->vis)
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152
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153 #define SDL_Root RootWindow(SDL_Display, SDL_Screen)
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154 #define WMwindow (this->hidden->WMwindow)
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155 #define FSwindow (this->hidden->FSwindow)
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156 #define SDL_Window (this->hidden->SDL_Window)
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157 #define WM_DELETE_WINDOW (this->hidden->WM_DELETE_WINDOW)
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158 #define SDL_BlankCursor (this->hidden->BlankCursor)
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159 #define SDL_windowid (this->hidden->SDL_windowid)
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160 #define using_dga (this->hidden->using_dga)
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161 #define use_mitshm (this->hidden->use_mitshm)
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162 #define shminfo (this->hidden->shminfo)
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163 #define SDL_Ximage (this->hidden->Ximage)
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164 #define SDL_GC (this->hidden->gc)
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165 #define current_w (this->hidden->current_w)
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166 #define current_h (this->hidden->current_h)
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167 #define mouse_last (this->hidden->mouse_last)
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168 #define mouse_accel (this->hidden->mouse_accel)
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169 #define mouse_relative (this->hidden->mouse_relative)
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170 #define SDL_modelist (this->hidden->modelist)
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171 #define saved_mode (this->hidden->saved_mode)
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172 #define saved_view (this->hidden->saved_view)
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173 #define use_xme (this->hidden->use_xme)
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174 #define saved_res (this->hidden->saved_res)
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175 #define xinerama_x (this->hidden->xinerama_x)
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176 #define xinerama_y (this->hidden->xinerama_y)
0
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177 #define use_vidmode (this->hidden->use_vidmode)
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178 #define currently_fullscreen (this->hidden->currently_fullscreen)
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179 #define switch_waiting (this->hidden->switch_waiting)
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180 #define switch_time (this->hidden->switch_time)
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181 #define blit_queued (this->hidden->blit_queued)
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182 #define SDL_DisplayColormap (this->hidden->DisplayColormap)
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183 #define SDL_PrivateColormap (this->hidden->PrivateColormap)
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184 #define SDL_XColorMap (this->hidden->XColorMap)
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185 #define SDL_XPixels (this->hidden->XPixels)
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186 #define gamma_saved (this->hidden->gamma_saved)
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187 #define gamma_changed (this->hidden->gamma_changed)
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188 #define SDL_iconcolors (this->hidden->iconcolors)
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189
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190 /* Some versions of XFree86 have bugs - detect if this is one of them */
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191 #define BUGGY_XFREE86(condition, buggy_version) \
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192 ((strcmp(ServerVendor(SDL_Display), "The XFree86 Project, Inc") == 0) && \
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193 (VendorRelease(SDL_Display) condition buggy_version))
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194
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195 #endif /* _SDL_x11video_h */