Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11modes.c @ 2963:ee331407574f
Don't use DirectColor visuals until we implement DirectColor colormap support
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 02 Jan 2009 15:47:49 +0000 |
parents | 2c01dc6218cc |
children | 4b594623401b |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
2859 | 3 Copyright (C) 1997-2009 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 Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 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 Lesser 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 Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h" |
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23 |
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24 #include "SDL_x11video.h" |
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25 |
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26 //#define X11MODES_DEBUG |
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27 #undef SDL_VIDEO_DRIVER_X11_XINERAMA |
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28 #undef SDL_VIDEO_DRIVER_X11_XRANDR |
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29 #undef SDL_VIDEO_DRIVER_X11_VIDMODE |
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30 |
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31 static int |
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32 get_visualinfo(Display * display, int screen, XVisualInfo * vinfo) |
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33 { |
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34 const char *visual_id = SDL_getenv("SDL_VIDEO_X11_VISUALID"); |
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35 int depth; |
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36 |
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37 /* Look for an exact visual, if requested */ |
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38 if (visual_id) { |
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39 XVisualInfo *vi, template; |
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40 int nvis; |
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41 |
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42 SDL_zero(template); |
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43 template.visualid = SDL_strtol(visual_id, NULL, 0); |
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44 vi = XGetVisualInfo(display, VisualIDMask, &template, &nvis); |
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45 if (vi) { |
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46 *vinfo = *vi; |
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47 XFree(vi); |
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48 return 0; |
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49 } |
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50 } |
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51 |
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52 depth = DefaultDepth(display, screen); |
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53 if ((X11_UseDirectColorVisuals() && |
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54 XMatchVisualInfo(display, screen, depth, DirectColor, vinfo)) || |
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55 XMatchVisualInfo(display, screen, depth, TrueColor, vinfo) || |
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56 XMatchVisualInfo(display, screen, depth, PseudoColor, vinfo) || |
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57 XMatchVisualInfo(display, screen, depth, StaticColor, vinfo)) { |
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58 return 0; |
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59 } |
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60 return -1; |
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61 } |
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62 |
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63 static Uint32 |
2874 | 64 X11_GetPixelFormatFromVisualInfo(Display * display, XVisualInfo * vinfo) |
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65 { |
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66 if (vinfo->class == DirectColor || vinfo->class == TrueColor) { |
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67 int bpp; |
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68 Uint32 Rmask, Gmask, Bmask, Amask; |
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69 |
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70 Rmask = vinfo->visual->red_mask; |
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71 Gmask = vinfo->visual->green_mask; |
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72 Bmask = vinfo->visual->blue_mask; |
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73 if (vinfo->depth == 32) { |
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74 Amask = (0xFFFFFFFF & ~(Rmask | Gmask | Bmask)); |
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75 } else { |
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76 Amask = 0; |
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77 } |
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78 |
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79 bpp = vinfo->depth; |
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80 if (bpp == 24) { |
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81 int i, n; |
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82 XPixmapFormatValues *p = XListPixmapFormats(display, &n); |
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83 if (p) { |
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84 for (i = 0; i < n; ++i) { |
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85 if (p[i].depth == 24) { |
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86 bpp = p[i].bits_per_pixel; |
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87 break; |
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88 } |
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89 } |
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90 XFree(p); |
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91 } |
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92 } |
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93 |
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94 return SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask); |
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95 } |
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96 |
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97 if (vinfo->class == PseudoColor || vinfo->class == StaticColor) { |
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98 switch (vinfo->depth) { |
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99 case 8: |
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100 return SDL_PIXELTYPE_INDEX8; |
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101 case 4: |
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102 if (BitmapBitOrder(display) == LSBFirst) { |
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103 return SDL_PIXELFORMAT_INDEX4LSB; |
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104 } else { |
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105 return SDL_PIXELFORMAT_INDEX4MSB; |
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106 } |
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107 break; |
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108 case 1: |
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109 if (BitmapBitOrder(display) == LSBFirst) { |
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110 return SDL_PIXELFORMAT_INDEX1LSB; |
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111 } else { |
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112 return SDL_PIXELFORMAT_INDEX1MSB; |
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113 } |
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114 break; |
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115 } |
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116 } |
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117 |
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118 return SDL_PIXELFORMAT_UNKNOWN; |
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119 } |
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120 |
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121 void |
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122 X11_InitModes(_THIS) |
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123 { |
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124 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; |
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125 int screen; |
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126 |
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127 for (screen = 0; screen < ScreenCount(data->display); ++screen) { |
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128 XVisualInfo vinfo; |
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129 SDL_VideoDisplay display; |
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130 SDL_DisplayData *displaydata; |
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131 SDL_DisplayMode mode; |
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132 XPixmapFormatValues *pixmapFormats; |
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133 int i, n; |
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134 |
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135 if (get_visualinfo(data->display, screen, &vinfo) < 0) { |
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136 continue; |
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137 } |
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138 |
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139 mode.format = X11_GetPixelFormatFromVisualInfo(data->display, &vinfo); |
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140 mode.w = DisplayWidth(data->display, screen); |
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141 mode.h = DisplayHeight(data->display, screen); |
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142 mode.refresh_rate = 0; |
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143 mode.driverdata = NULL; |
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144 |
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145 displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata)); |
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146 if (!displaydata) { |
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147 continue; |
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148 } |
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149 displaydata->screen = screen; |
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150 displaydata->visual = vinfo.visual; |
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151 displaydata->depth = vinfo.depth; |
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152 |
2920 | 153 displaydata->scanline_pad = SDL_BYTESPERPIXEL(mode.format) * 8; |
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154 pixmapFormats = XListPixmapFormats(data->display, &n); |
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155 if (pixmapFormats) { |
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156 for (i = 0; i < n; ++i) { |
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157 if (pixmapFormats[i].depth == displaydata->depth) { |
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158 displaydata->scanline_pad = pixmapFormats[i].scanline_pad; |
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159 break; |
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160 } |
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161 } |
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162 XFree(pixmapFormats); |
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163 } |
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164 |
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165 SDL_zero(display); |
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166 display.desktop_mode = mode; |
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167 display.current_mode = mode; |
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168 display.driverdata = displaydata; |
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169 SDL_AddVideoDisplay(&display); |
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170 } |
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171 } |
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172 |
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173 /* Global for the error handler */ |
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174 int vm_event, vm_error = -1; |
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175 |
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176 #if SDL_VIDEO_DRIVER_X11_XINERAMA |
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177 static SDL_bool |
2874 | 178 CheckXinerama(Display * display, int *major, int *minor) |
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179 { |
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180 const char *env; |
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181 |
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182 /* Default the extension not available */ |
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183 *major = *minor = 0; |
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184 |
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185 /* Allow environment override */ |
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186 env = getenv("SDL_VIDEO_X11_XINERAMA"); |
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187 if (env && !SDL_atoi(env)) { |
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188 return SDL_FALSE; |
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189 } |
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190 |
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191 /* Query the extension version */ |
2874 | 192 if (!SDL_NAME(XineramaQueryExtension) (display, major, minor) || |
193 !SDL_NAME(XineramaIsActive) (display)) { | |
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194 return SDL_FALSE; |
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195 } |
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196 return SDL_TRUE; |
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197 } |
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198 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */ |
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199 |
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200 #if SDL_VIDEO_DRIVER_X11_XRANDR |
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201 static SDL_bool |
2874 | 202 CheckXRandR(Display * display, int *major, int *minor) |
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203 { |
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204 const char *env; |
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205 |
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206 /* Default the extension not available */ |
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207 *major = *minor = 0; |
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208 |
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209 /* Allow environment override */ |
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210 env = getenv("SDL_VIDEO_X11_XRANDR"); |
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211 if (env && !SDL_atoi(env)) { |
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212 return SDL_FALSE; |
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213 } |
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214 |
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215 if (!SDL_X11_HAVE_XRANDR) { |
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216 return SDL_FALSE; |
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217 } |
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218 |
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219 /* Query the extension version */ |
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220 if (!XRRQueryVersion(display, major, minor)) { |
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221 return SDL_FALSE; |
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222 } |
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223 return SDL_TRUE; |
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224 } |
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225 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */ |
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226 |
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227 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
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228 static SDL_bool |
2874 | 229 CheckVidMode(Display * display, int *major, int *minor) |
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230 { |
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231 const char *env; |
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232 |
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233 /* Default the extension not available */ |
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234 *major = *minor = 0; |
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235 |
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236 /* Allow environment override */ |
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237 env = getenv("SDL_VIDEO_X11_VIDMODE"); |
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238 if (env && !SDL_atoi(env)) { |
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239 return SDL_FALSE; |
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240 } |
2874 | 241 |
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242 /* Query the extension version */ |
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243 vm_error = -1; |
2874 | 244 if (!SDL_NAME(XF86VidModeQueryExtension) (display, &vm_event, &vm_error) |
245 || !SDL_NAME(XF86VidModeQueryVersion) (display, major, minor)) { | |
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246 return SDL_FALSE; |
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247 } |
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248 return SDL_TRUE; |
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249 } |
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250 |
2874 | 251 Bool SDL_NAME(XF86VidModeGetModeInfo) (Display * dpy, int scr, |
252 SDL_NAME(XF86VidModeModeInfo) * info) | |
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253 { |
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254 Bool retval; |
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255 int dotclock; |
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256 SDL_NAME(XF86VidModeModeLine) l; |
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257 SDL_zerop(info); |
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258 SDL_zero(l); |
2874 | 259 retval = SDL_NAME(XF86VidModeGetModeLine) (dpy, scr, &dotclock, &l); |
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260 info->dotclock = dotclock; |
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261 info->hdisplay = l.hdisplay; |
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262 info->hsyncstart = l.hsyncstart; |
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263 info->hsyncend = l.hsyncend; |
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264 info->htotal = l.htotal; |
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265 info->hskew = l.hskew; |
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266 info->vdisplay = l.vdisplay; |
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267 info->vsyncstart = l.vsyncstart; |
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268 info->vsyncend = l.vsyncend; |
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269 info->vtotal = l.vtotal; |
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270 info->flags = l.flags; |
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271 info->privsize = l.privsize; |
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272 info->private = l.private; |
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273 return retval; |
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274 } |
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275 |
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276 static int |
2874 | 277 calculate_rate(SDL_NAME(XF86VidModeModeInfo) * info) |
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278 { |
2874 | 279 return (info->htotal |
280 && info->vtotal) ? (1000 * info->dotclock / (info->htotal * | |
281 info->vtotal)) : 0; | |
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282 } |
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283 |
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284 static void |
2874 | 285 save_mode(Display * display, SDL_DisplayData * data) |
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286 { |
2874 | 287 SDL_NAME(XF86VidModeGetModeInfo) (display, data->screen, |
288 &data->saved_mode); | |
289 SDL_NAME(XF86VidModeGetViewPort) (display, data->screen, | |
290 &data->saved_view.x, | |
291 &data->saved_view.y); | |
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292 } |
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293 |
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294 static void |
2874 | 295 restore_mode(Display * display, SDL_DisplayData * data) |
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296 { |
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297 SDL_NAME(XF86VidModeModeInfo) mode; |
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298 |
2874 | 299 if (SDL_NAME(XF86VidModeGetModeInfo) (display, data->screen, &mode)) { |
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300 if (SDL_memcmp(&mode, &data->saved_mode, sizeof(mode)) != 0) { |
2874 | 301 SDL_NAME(XF86VidModeSwitchToMode) (display, data->screen, |
302 &data->saved_mode); | |
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303 } |
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304 } |
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305 if ((data->saved_view.x != 0) || (data->saved_view.y != 0)) { |
2874 | 306 SDL_NAME(XF86VidModeSetViewPort) (display, data->screen, |
307 data->saved_view.x, | |
308 data->saved_view.y); | |
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309 } |
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310 } |
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311 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */ |
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312 |
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313 void |
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314 X11_GetDisplayModes(_THIS) |
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315 { |
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316 Display *display = ((SDL_VideoData *) _this->driverdata)->display; |
1950
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317 SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata; |
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318 #if SDL_VIDEO_DRIVER_X11_XINERAMA |
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319 int xinerama_major, xinerama_minor; |
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320 int screens; |
2874 | 321 SDL_NAME(XineramaScreenInfo) * xinerama; |
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322 #endif |
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323 #if SDL_VIDEO_DRIVER_X11_XRANDR |
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324 int xrandr_major, xrandr_minor; |
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325 int nsizes, nrates; |
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326 XRRScreenSize *sizes; |
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327 short *rates; |
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328 #endif |
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329 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
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330 int vm_major, vm_minor; |
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331 int nmodes; |
2874 | 332 SDL_NAME(XF86VidModeModeInfo) ** modes; |
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333 #endif |
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334 int screen_w; |
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335 int screen_h; |
1950
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336 SDL_DisplayMode mode; |
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337 |
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338 /* Unfortunately X11 requires the window to be created with the correct |
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339 * visual and depth ahead of time, but the SDL API allows you to create |
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340 * a window before setting the fullscreen display mode. This means that |
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341 * we have to use the same format for all windows and all display modes. |
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342 * (or support recreating the window with a new visual behind the scenes) |
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343 */ |
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344 mode.format = SDL_CurrentDisplay.current_mode.format; |
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345 mode.driverdata = NULL; |
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346 |
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347 data->use_xinerama = 0; |
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348 data->use_xrandr = 0; |
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349 data->use_vidmode = 0; |
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350 screen_w = DisplayWidth(display, data->screen); |
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351 screen_h = DisplayHeight(display, data->screen); |
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352 |
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353 #if SDL_VIDEO_DRIVER_X11_XINERAMA |
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354 /* Query Xinerama extention */ |
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355 if (CheckXinerama(display, &xinerama_major, &xinerama_minor)) { |
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356 #ifdef X11MODES_DEBUG |
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357 printf("X11 detected Xinerama:\n"); |
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358 #endif |
2874 | 359 xinerama = SDL_NAME(XineramaQueryScreens) (display, &screens); |
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360 if (xinerama) { |
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361 int i; |
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362 for (i = 0; i < screens; i++) { |
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363 #ifdef X11MODES_DEBUG |
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364 printf("xinerama %d: %dx%d+%d+%d\n", |
2874 | 365 xinerama[i].screen_number, |
366 xinerama[i].width, xinerama[i].height, | |
367 xinerama[i].x_org, xinerama[i].y_org); | |
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368 #endif |
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369 if (xinerama[i].screen_number == data->screen) { |
2874 | 370 data->use_xinerama = |
371 xinerama_major * 100 + xinerama_minor; | |
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372 data->xinerama_info = xinerama[i]; |
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373 } |
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374 } |
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375 XFree(xinerama); |
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376 } |
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377 |
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378 if (data->use_xinerama) { |
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379 /* Add the full xinerama mode */ |
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380 if (screen_w > data->xinerama_info.width || |
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381 screen_h > data->xinerama_info.height) { |
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382 mode.w = screen_w; |
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383 mode.h = screen_h; |
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384 mode.refresh_rate = 0; |
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385 SDL_AddDisplayMode(_this->current_display, &mode); |
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386 } |
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387 |
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388 /* Add the head xinerama mode */ |
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389 mode.w = data->xinerama_info.width; |
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390 mode.h = data->xinerama_info.height; |
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391 mode.refresh_rate = 0; |
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392 SDL_AddDisplayMode(_this->current_display, &mode); |
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393 } |
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394 } |
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395 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */ |
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396 |
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397 #if SDL_VIDEO_DRIVER_X11_XRANDR |
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398 /* XRandR */ |
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399 /* require at least XRandR v1.0 (arbitrary) */ |
2874 | 400 if (CheckXRandR(display, &xrandr_major, &xrandr_minor) |
401 && xrandr_major >= 1) { | |
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402 #ifdef X11MODES_DEBUG |
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403 fprintf(stderr, "XRANDR: XRRQueryVersion: V%d.%d\n", |
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404 xrandr_major, xrandr_minor); |
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405 #endif |
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406 |
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407 /* save the screen configuration since we must reference it |
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408 each time we toggle modes. |
2874 | 409 */ |
410 data->screen_config = | |
411 XRRGetScreenInfo(display, RootWindow(display, data->screen)); | |
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412 |
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413 /* retrieve the list of resolution */ |
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414 sizes = XRRConfigSizes(data->screen_config, &nsizes); |
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415 if (nsizes > 0) { |
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416 int i, j; |
2874 | 417 for (i = 0; i < nsizes; i++) { |
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418 mode.w = sizes[i].width; |
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419 mode.h = sizes[i].height; |
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420 |
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421 rates = XRRConfigRates(data->screen_config, i, &nrates); |
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422 for (j = 0; j < nrates; ++j) { |
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423 mode.refresh_rate = rates[j]; |
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424 #ifdef X11MODES_DEBUG |
2874 | 425 fprintf(stderr, |
426 "XRANDR: mode = %4d[%d], w = %4d, h = %4d, rate = %4d\n", | |
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427 i, j, mode.w, mode.h, mode.refresh_rate); |
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428 #endif |
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429 SDL_AddDisplayMode(_this->current_display, &mode); |
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430 } |
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431 } |
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432 |
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433 data->use_xrandr = xrandr_major * 100 + xrandr_minor; |
2874 | 434 data->saved_size = |
435 XRRConfigCurrentConfiguration(data->screen_config, | |
436 &data->saved_rotation); | |
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437 data->saved_rate = XRRConfigCurrentRate(data->screen_config); |
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438 } |
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439 } |
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440 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */ |
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441 |
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442 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
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443 /* XVidMode */ |
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444 if (!data->use_xrandr && |
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445 #if SDL_VIDEO_DRIVER_X11_XINERAMA |
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446 (!data->use_xinerama || data->xinerama_info.screen_number == 0) && |
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447 #endif |
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448 CheckVidMode(display, &vm_major, &vm_minor) && |
2874 | 449 SDL_NAME(XF86VidModeGetAllModeLines) (display, data->screen, &nmodes, |
450 &modes)) { | |
2873
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451 int i; |
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452 |
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453 #ifdef X11MODES_DEBUG |
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454 printf("VidMode modes: (unsorted)\n"); |
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455 for (i = 0; i < nmodes; ++i) { |
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456 printf("Mode %d: %d x %d @ %d\n", i, |
2874 | 457 modes[i]->hdisplay, modes[i]->vdisplay, |
458 calculate_rate(modes[i])); | |
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459 } |
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460 #endif |
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461 for (i = 0; i < nmodes; ++i) { |
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462 mode.w = modes[i]->hdisplay; |
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463 mode.h = modes[i]->vdisplay; |
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464 mode.refresh_rate = calculate_rate(modes[i]); |
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465 SDL_AddDisplayMode(_this->current_display, &mode); |
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466 } |
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467 XFree(modes); |
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468 |
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469 data->use_vidmode = vm_major * 100 + vm_minor; |
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470 save_mode(display, data); |
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471 } |
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472 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */ |
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473 |
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474 if (!data->use_xrandr && !data->use_vidmode) { |
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475 mode.w = screen_w; |
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476 mode.h = screen_h; |
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477 mode.refresh_rate = 0; |
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478 SDL_AddDisplayMode(_this->current_display, &mode); |
2874 | 479 } |
2873
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480 #ifdef X11MODES_DEBUG |
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481 if (data->use_xinerama) { |
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482 printf("Xinerama is enabled\n"); |
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483 } |
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484 |
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485 if (data->use_xrandr) { |
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486 printf("XRandR is enabled\n"); |
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487 } |
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488 |
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489 if (data->use_vidmode) { |
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490 printf("VidMode is enabled\n"); |
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491 } |
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492 #endif /* X11MODES_DEBUG */ |
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493 } |
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494 |
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495 static void |
2874 | 496 get_real_resolution(Display * display, SDL_DisplayData * data, int *w, int *h, |
497 int *rate) | |
2873
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498 { |
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499 #if SDL_VIDEO_DRIVER_X11_XRANDR |
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500 if (data->use_xrandr) { |
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501 int nsizes; |
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502 XRRScreenSize *sizes; |
2874 | 503 |
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504 sizes = XRRConfigSizes(data->screen_config, &nsizes); |
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505 if (nsizes > 0) { |
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506 int cur_size; |
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507 Rotation cur_rotation; |
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508 |
2874 | 509 cur_size = |
510 XRRConfigCurrentConfiguration(data->screen_config, | |
511 &cur_rotation); | |
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512 *w = sizes[cur_size].width; |
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513 *h = sizes[cur_size].height; |
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514 *rate = XRRConfigCurrentRate(data->screen_config); |
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515 #ifdef X11MODES_DEBUG |
2874 | 516 fprintf(stderr, |
517 "XRANDR: get_real_resolution: w = %d, h = %d, rate = %d\n", | |
518 *w, *h, *rate); | |
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519 #endif |
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520 return; |
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521 } |
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522 } |
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523 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */ |
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524 |
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525 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
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526 if (data->use_vidmode) { |
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527 SDL_NAME(XF86VidModeModeInfo) mode; |
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528 |
2874 | 529 if (SDL_NAME(XF86VidModeGetModeInfo) (display, data->screen, &mode)) { |
2873
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530 *w = mode.hdisplay; |
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531 *h = mode.vdisplay; |
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532 *rate = calculate_rate(&mode); |
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533 return; |
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534 } |
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535 } |
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536 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */ |
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537 |
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538 #if SDL_VIDEO_DRIVER_X11_XINERAMA |
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539 if (data->use_xinerama) { |
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540 *w = data->xinerama_info.width; |
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541 *h = data->xinerama_info.height; |
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542 *rate = 0; |
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|
543 return; |
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|
544 } |
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545 #endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */ |
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546 |
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547 *w = DisplayWidth(display, data->screen); |
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548 *h = DisplayHeight(display, data->screen); |
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549 *rate = 0; |
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550 } |
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551 |
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552 static void |
2874 | 553 set_best_resolution(Display * display, SDL_DisplayData * data, int w, int h, |
554 int rate) | |
2873
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555 { |
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556 int real_w, real_h, real_rate; |
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557 |
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558 /* check current mode so we can avoid uneccessary mode changes */ |
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559 get_real_resolution(display, data, &real_w, &real_h, &real_rate); |
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560 if (w == real_w && h == real_h && (!rate || rate == real_rate)) { |
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|
561 return; |
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|
562 } |
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563 #if SDL_VIDEO_DRIVER_X11_XRANDR |
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564 if (data->use_xrandr) { |
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565 #ifdef X11MODES_DEBUG |
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566 fprintf(stderr, "XRANDR: set_best_resolution(): w = %d, h = %d\n", |
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567 w, h); |
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|
568 #endif |
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569 int i, nsizes, nrates; |
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570 int best; |
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571 int best_rate; |
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572 XRRScreenSize *sizes; |
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|
573 short *rates; |
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|
574 |
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|
575 /* find the smallest resolution that is at least as big as the user requested */ |
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576 best = -1; |
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577 sizes = XRRConfigSizes(data->screen_config, &nsizes); |
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578 for (i = 0; i < nsizes; ++i) { |
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579 if (sizes[i].width < w || sizes[i].height < h) { |
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|
580 continue; |
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|
581 } |
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|
582 if (sizes[i].width == w && sizes[i].height == h) { |
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583 best = i; |
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|
584 break; |
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|
585 } |
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|
586 if (best == -1 || |
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|
587 (sizes[i].width < sizes[best].width) || |
2874 | 588 (sizes[i].width == sizes[best].width |
589 && sizes[i].height < sizes[best].height)) { | |
2873
b33e38aaa027
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|
590 best = i; |
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|
591 } |
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|
592 } |
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|
593 |
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|
594 if (best >= 0) { |
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|
595 best_rate = 0; |
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|
596 rates = XRRConfigRates(data->screen_config, best, &nrates); |
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597 for (i = 0; i < nrates; ++i) { |
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598 if (rates[i] == rate) { |
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|
599 best_rate = rate; |
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|
600 break; |
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|
601 } |
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|
602 if (!rate) { |
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|
603 /* Higher is better, right? */ |
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604 if (rates[i] > best_rate) { |
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|
605 best_rate = rates[i]; |
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|
606 } |
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diff
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|
607 } else { |
2874 | 608 if (SDL_abs(rates[i] - rate) < SDL_abs(best_rate - rate)) { |
2873
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|
609 best_rate = rates[i]; |
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|
610 } |
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|
611 } |
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|
612 } |
2874 | 613 XRRSetScreenConfigAndRate(display, data->screen_config, |
614 RootWindow(display, data->screen), best, | |
615 data->saved_rotation, best_rate, | |
616 CurrentTime); | |
2873
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|
617 } |
b33e38aaa027
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diff
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|
618 return; |
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|
619 } |
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|
620 #endif /* SDL_VIDEO_DRIVER_X11_XRANDR */ |
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|
621 |
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|
622 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
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623 if (data->use_vidmode) { |
2874 | 624 SDL_NAME(XF86VidModeModeInfo) ** modes; |
2873
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|
625 int i, nmodes; |
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|
626 int best; |
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diff
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|
627 |
2874 | 628 if (SDL_NAME(XF86VidModeGetAllModeLines) |
629 (display, data->screen, &nmodes, &modes)) { | |
2873
b33e38aaa027
Progress on fullscreen mode switching on X11
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|
630 best = -1; |
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|
631 for (i = 0; i < nmodes; ++i) { |
b33e38aaa027
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632 if (modes[i]->hdisplay < w || modes[i]->vdisplay < h) { |
b33e38aaa027
Progress on fullscreen mode switching on X11
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|
633 continue; |
b33e38aaa027
Progress on fullscreen mode switching on X11
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|
634 } |
b33e38aaa027
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diff
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|
635 if (best == -1 || |
b33e38aaa027
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|
636 (modes[i]->hdisplay < modes[best]->hdisplay) || |
2874 | 637 (modes[i]->hdisplay == modes[best]->hdisplay |
638 && modes[i]->vdisplay < modes[best]->vdisplay)) { | |
2873
b33e38aaa027
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|
639 best = i; |
b33e38aaa027
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diff
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|
640 continue; |
b33e38aaa027
Progress on fullscreen mode switching on X11
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|
641 } |
b33e38aaa027
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|
642 if ((modes[i]->hdisplay == modes[best]->hdisplay) && |
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Progress on fullscreen mode switching on X11
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|
643 (modes[i]->vdisplay == modes[best]->vdisplay)) { |
b33e38aaa027
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|
644 if (!rate) { |
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|
645 /* Higher is better, right? */ |
2874 | 646 if (calculate_rate(modes[i]) > |
647 calculate_rate(modes[best])) { | |
2873
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|
648 best = i; |
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|
649 } |
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|
650 } else { |
2874 | 651 if (SDL_abs(calculate_rate(modes[i]) - rate) < |
652 SDL_abs(calculate_rate(modes[best]) - rate)) { | |
2873
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|
653 best = i; |
b33e38aaa027
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|
654 } |
b33e38aaa027
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|
655 } |
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|
656 } |
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|
657 } |
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|
658 if (best >= 0) { |
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|
659 #ifdef X11MODES_DEBUG |
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660 printf("Best Mode %d: %d x %d @ %d\n", best, |
2874 | 661 modes[best]->hdisplay, modes[best]->vdisplay, |
662 calculate_rate(modes[best])); | |
2873
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663 #endif |
2874 | 664 SDL_NAME(XF86VidModeSwitchToMode) (display, data->screen, |
665 modes[best]); | |
2873
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Progress on fullscreen mode switching on X11
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|
666 } |
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|
667 XFree(modes); |
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Progress on fullscreen mode switching on X11
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|
668 } |
b33e38aaa027
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|
669 return; |
b33e38aaa027
Progress on fullscreen mode switching on X11
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|
670 } |
b33e38aaa027
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|
671 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */ |
1950
a344e42bce3b
Started work on the new X11 driver.
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parents:
diff
changeset
|
672 } |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
673 |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
674 int |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
675 X11_SetDisplayMode(_THIS, SDL_DisplayMode * mode) |
a344e42bce3b
Started work on the new X11 driver.
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parents:
diff
changeset
|
676 { |
2873
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Progress on fullscreen mode switching on X11
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|
677 Display *display = ((SDL_VideoData *) _this->driverdata)->display; |
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678 SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata; |
b33e38aaa027
Progress on fullscreen mode switching on X11
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679 |
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680 set_best_resolution(display, data, mode->w, mode->h, mode->refresh_rate); |
b33e38aaa027
Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents:
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681 return 0; |
1950
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
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682 } |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
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683 |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
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684 void |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
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685 X11_QuitModes(_THIS) |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
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686 { |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
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687 } |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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688 |
a344e42bce3b
Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
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689 /* vi: set ts=4 sw=4 expandtab: */ |