Mercurial > projects > mde
annotate mde/setup/sdl.d @ 63:66d555da083e
Moved many modules/packages to better reflect usage.
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Fri, 27 Jun 2008 18:35:33 +0100 |
parents | mde/sdl.d@f3d8c0441408 |
children | cc3763817b8a |
rev | line source |
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1 /* LICENSE BLOCK |
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2 Part of mde: a Modular D game-oriented Engine |
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3 Copyright © 2007-2008 Diggory Hardy |
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4 |
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5 This program is free software: you can redistribute it and/or modify it under the terms |
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6 of the GNU General Public License as published by the Free Software Foundation, either |
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7 version 2 of the License, or (at your option) any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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11 See the GNU General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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15 |
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16 /** Just a temporary place to put SDL Init and Video stuff. |
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17 */ |
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18 module mde.setup.sdl; |
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19 |
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20 import mde.setup.initFunctions; |
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21 import mde.input.joystick; |
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22 import mde.lookup.Options; |
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23 import mde.gl.basic; |
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24 import imde = mde.imde; |
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25 |
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26 import tango.util.log.Log : Log, Logger; |
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27 import tango.stdc.stringz; |
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28 |
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29 import derelict.sdl.sdl; |
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30 import derelict.opengl.gl; // for loading a later gl version |
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31 import derelict.util.exception; |
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32 |
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33 private Logger logger; |
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34 static this() { |
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35 logger = Log.getLogger ("mde.setup.sdl"); |
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36 |
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37 init.addFunc (&initSdlAndGl, "initSdlAndGl"); |
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38 } |
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39 |
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40 private uint flags = 0; |
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41 |
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42 void initSdlAndGl() { // init func |
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43 // Initialise SDL |
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44 if (SDL_Init (SDL_INIT_VIDEO | SDL_INIT_JOYSTICK /+| SDL_INIT_EVENTTHREAD+/)) { |
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45 logger.fatal ("SDL initialisation failed:"); |
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46 char* msg = SDL_GetError (); |
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47 logger.fatal (msg ? fromStringz(msg) : "no reason available"); |
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48 |
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49 setInitFailure (); |
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50 return; |
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51 } |
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52 |
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53 debug logger.trace ("SDL initialised"); |
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54 |
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55 // Must be called after SDL has been initialised, so cannot be a separate Init function. |
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56 openJoysticks (); // after SDL init |
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57 cleanup.addFunc (&cleanupSDL, "cleanupSDL"); |
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58 |
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59 setupWindow(); |
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60 } |
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61 |
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62 void setupWindow() { // indirect init func (depends on initSdlAndGl) |
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63 // Window creation flags and size |
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64 flags = SDL_OPENGL; |
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65 if (vidOpts.hardware) flags |= SDL_HWSURFACE | SDL_DOUBLEBUF; |
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66 else flags |= SDL_SWSURFACE; |
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67 int w, h; |
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68 if (vidOpts.fullscreen) { |
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69 flags |= SDL_FULLSCREEN; |
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70 w = vidOpts.screenW; |
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71 h = vidOpts.screenH; |
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72 } |
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73 else { |
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74 if (vidOpts.resizable) flags |= SDL_RESIZABLE; |
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75 if (vidOpts.noFrame) flags |= SDL_NOFRAME; |
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76 w = vidOpts.windowW; |
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77 h = vidOpts.windowH; |
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78 } |
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79 |
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80 // OpenGL attributes |
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81 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5); |
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82 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6); |
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83 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); |
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84 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); |
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85 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1); |
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86 |
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87 // Open a window |
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88 debug logger.trace ("Opening a window (this can crash if the libraries are messed up)"); |
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89 if (SDL_SetVideoMode (w, h, 32, flags) is null) { |
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90 logger.fatal ("Unable to set video mode:"); |
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91 char* msg = SDL_GetError (); |
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92 logger.fatal (msg ? fromStringz(msg) : "no reason available"); |
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93 |
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94 // Print a load of info: |
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95 logger.info ("Available video modes:"); |
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96 char[128] tmp; |
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97 SDL_Rect** modes = SDL_ListModes (null, SDL_FULLSCREEN); |
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98 if (modes is null) logger.info ("None!"); |
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99 else if (modes is cast(SDL_Rect**) -1) logger.info ("All modes are available"); |
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100 else { |
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101 for (uint i = 0; modes[i] !is null; ++i) { |
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102 logger.info (logger.format (tmp, "\t{}x{}", modes[i].w, modes[i].h)); |
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103 } |
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104 } |
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105 |
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106 SDL_VideoInfo* vi = SDL_GetVideoInfo (); |
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107 if (vi !is null) { |
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108 logger.info ("Video info:"); |
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109 logger.info ("Hardware surface support: "~ (vi.flags & SDL_HWSURFACE ? "yes" : "no")); |
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110 logger.info (logger.format (tmp, "Video memory: {}", vi.video_mem)); |
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111 |
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112 if (vi.vfmt !is null) { |
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113 logger.info ("Best video mode:"); |
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114 logger.info (logger.format (tmp, "Bits per pixel: {}", vi.vfmt.BitsPerPixel)); |
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115 } |
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116 } |
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117 |
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118 setInitFailure (); |
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119 return; |
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120 } |
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121 |
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122 /* Now (must be done after GL context is created) we can try to load later version. |
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123 * The initial loading provides opengl 1.1 features. |
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124 * |
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125 * 1.4 is now used for glBlendColor (coloured text). |
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126 * |
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127 * Currently the latest version used is 1.3; adjust this as necessary. However, before using |
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128 * features from any OpenGL version > 1.1 a check must be made on what was loaded by calling |
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129 * DerelictGL.availableVersion(). Note that availableVersion() could be used instead to load |
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130 * the highest supported version but this way we know what we're getting. |
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131 */ |
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132 if (DerelictGL.availableVersion < GLVersion.Version13) { |
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133 logger.fatal ("Required at least OpenGL 1.3"); |
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134 setInitFailure; |
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135 return; |
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136 } |
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137 /+try { |
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138 DerelictGL.loadVersions(GLVersion.Version14); |
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139 } catch (SharedLibProcLoadException e) { |
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140 logger.warn ("Loading OpenGL version 1.4 failed:"); |
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141 logger.warn (e.msg); |
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142 |
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143 //NOTE: might be worth guaranteeing a minimal version to save later checks? |
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144 /+ Do this if you want the program to abort: |
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145 setInitFailure (); |
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146 return; |
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147 +/ |
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148 }+/ |
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149 |
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150 // OpenGL stuff: |
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151 glSetup(); |
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152 setProjection (w, h); |
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153 |
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154 // Window-manager settings |
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155 SDL_WM_SetCaption (toStringz ("mde"), null); |
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156 // SDL_WM_GrabInput (use later) |
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157 } |
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158 |
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159 void resizeWindow (int w, int h) { |
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160 if (vidOpts.fullscreen) { |
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161 Options.setInt ("video", "screenW", w); |
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162 Options.setInt ("video", "screenH", h); |
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163 } else { |
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164 Options.setInt ("video", "windowW", w); |
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165 Options.setInt ("video", "windowH", h); |
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166 } |
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167 |
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168 if (SDL_SetVideoMode (w, h, 32, flags) is null) { |
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169 logger.fatal ("Unable to reset video mode:"); |
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170 char* msg = SDL_GetError (); |
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171 logger.fatal (msg ? fromStringz(msg) : "no reason available"); |
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172 |
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173 imde.run = false; |
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174 } |
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175 |
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176 // Reset the projection and viewport |
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177 setProjection (w, h); |
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178 } |
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179 |
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180 void cleanupSDL () { // cleanup func |
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181 closeJoysticks(); |
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182 SDL_Quit(); |
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183 } |
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184 |
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185 |
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186 /** All video options. */ |
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187 OptionsVideo vidOpts; |
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188 class OptionsVideo : Options { |
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189 mixin (impl!("bool fullscreen,hardware,resizable,noFrame; int screenW,screenH,windowW,windowH;")); |
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190 |
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191 static this() { |
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192 vidOpts = new OptionsVideo; |
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193 Options.addOptionsClass (vidOpts, "video"); |
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194 } |
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195 } |