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annotate src/video/gem/SDL_gemvideo.c @ 2288:e9bcf004c324

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Merged fix for bug #482 from SDL 1.2 revision 3492.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Dec 2007 20:13:23 +0000
parents 7e1caa8452f3
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 /*
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25 GEM video driver
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26
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27 Patrice Mandin
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28 and work from
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29 Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard
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30 */
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31
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32 /* Mint includes */
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33 #include <gem.h>
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34 #include <gemx.h>
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35 #include <mint/osbind.h>
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36 #include <mint/cookie.h>
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37
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38 #include "SDL_video.h"
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39 #include "SDL_mouse.h"
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40 #include "../SDL_sysvideo.h"
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41 #include "../SDL_pixels_c.h"
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42
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43 #include "SDL_gemvideo.h"
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44
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45 /* Initialization/Query functions */
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46 static int GEM_VideoInit(_THIS);
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47 static void GEM_VideoQuit(_THIS);
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48
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49 static void GEM_GL_SwapBuffers(_THIS);
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51
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52 static int
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53 GEM_Available(void)
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54 {
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55 /* Test if AES available */
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56 if (appl_init() == -1)
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57 return 0;
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58
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59 appl_exit();
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60 return 1;
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61 }
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62
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63 static void
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64 GEM_DeleteDevice(SDL_VideoDevice * device)
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65 {
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66 SDL_VideoData *data = (SDL_VideoData *) device->driverdata;
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67
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68 SDL_free(device->driverdata);
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69 SDL_free(device);
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70 }
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71
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72 static SDL_VideoDevice *
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73 GEM_CreateDevice(int devindex)
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74 {
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75 SDL_VideoDevice *device;
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76 SDL_VideoData *data;
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77
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78 /* Initialize all variables that we clean on shutdown */
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79 device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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80 if (device) {
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81 data = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
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82 }
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83 if (!device || !data) {
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84 SDL_OutOfMemory();
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85 if (device) {
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86 SDL_free(device);
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87 }
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88 return NULL;
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89 }
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90 device->driverdata = data;
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91
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92 /* Set the function pointers */
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93 device->VideoInit = GEM_VideoInit;
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94 device->VideoQuit = GEM_VideoQuit;
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95 device->GetDisplayModes = GEM_GetDisplayModes;
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96 device->SetDisplayMode = GEM_SetDisplayMode;
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97 device->PumpEvents = GEM_PumpEvents;
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98
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99 device->CreateWindow = GEM_CreateWindow;
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100 device->CreateWindowFrom = GEM_CreateWindowFrom;
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101 device->SetWindowTitle = GEM_SetWindowTitle;
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102 device->SetWindowPosition = GEM_SetWindowPosition;
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103 device->SetWindowSize = GEM_SetWindowSize;
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104 device->ShowWindow = GEM_ShowWindow;
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105 device->HideWindow = GEM_HideWindow;
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106 device->RaiseWindow = GEM_RaiseWindow;
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107 device->MaximizeWindow = GEM_MaximizeWindow;
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108 device->MinimizeWindow = GEM_MinimizeWindow;
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109 device->RestoreWindow = GEM_RestoreWindow;
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110 device->SetWindowGrab = GEM_SetWindowGrab;
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111 device->DestroyWindow = GEM_DestroyWindow;
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112 device->GetWindowWMInfo = GEM_GetWindowWMInfo;
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113
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114 #if SDL_VIDEO_OPENGL
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115 device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary;
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116 device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress;
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117 device->GL_CreateContext = SDL_AtariGL_CreateContext;
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118 device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent;
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119 device->GL_SetSwapInterval = SDL_AtariGL_SetSwapInterval;
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120 device->GL_GetSwapInterval = SDL_AtariGL_GetSwapInterval;
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121 device->GL_SwapWindow = GEM_GL_SwapWindow;
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122 device->GL_DeleteContext = SDL_AtariGL_DeleteContext;
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123 #endif
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124
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125 device->free = GEM_DeleteDevice;
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126
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127 return device;
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128 }
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129
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130 VideoBootStrap GEM_bootstrap = {
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131 "gem", "Atari GEM video driver",
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132 GEM_Available, GEM_CreateDevice
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133 };
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134
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135 int
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136 GEM_VideoInit(_THIS)
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137 {
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138 int i;
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139 short work_in[12], work_out[272], dummy;
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140 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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141
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142 /* Open AES (Application Environment Services) */
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143 if (appl_init() == -1) {
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144 fprintf(stderr, "Can not open AES\n");
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145 return 1;
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146 }
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147
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148 /* Read version and features */
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149 if (aes_global[0] >= 0x0410) {
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150 short ap_gout[4];
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151
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152 data->wfeatures = 0;
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153 if (appl_getinfo(AES_WINDOW, &ap_gout[0], &ap_gout[1], &ap_gout[2],
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154 &ap_gout[3]) == 0) {
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155 data->wfeatures = ap_gout[0];
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156 }
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157 }
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158
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159 /* Ask VDI physical workstation handle opened by AES */
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160 data->vdi_handle = graf_handle(&dummy, &dummy, &dummy, &dummy);
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161
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162 /* Open virtual VDI workstation */
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163 work_in[0] = Getrez() + 2;
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164 for (i = 1; i < 10; i++)
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165 work_in[i] = 1;
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166 work_in[10] = 2;
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167
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168 v_opnvwk(work_in, &(data->vdi_handle), work_out);
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169 if (data->vdi_handle == 0) {
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170 fprintf(stderr, "Can not open VDI virtual workstation\n");
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171 return 1;
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172 }
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173
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174 /* Set mouse cursor to arrow */
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175 graf_mouse(ARROW, NULL);
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176
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177 /* Setup VDI fill functions */
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178 vsf_color(data->vdi_handle, 0);
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179 vsf_interior(data->vdi_handle, 1);
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180 vsf_perimeter(data->vdi_handle, 0);
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181
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182 GEM_InitModes(_this);
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183
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184 GEM_InitKeyboard(_this);
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185 GEM_InitMouse(_this);
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186
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187 return (0);
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188 }
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189
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190 void
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191 GEM_VideoQuit(_THIS)
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192 {
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193 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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194
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195 GEM_QuitMouse(_this);
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196 GEM_QuitKeyboard(_this);
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197
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198 GEM_QuitModes(_this);
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199
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200 /* Close VDI workstation */
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201 if (data->vdi_handle) {
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202 v_clsvwk(data->vdi_handle);
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203 }
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204
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205 appl_exit();
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206 }
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207
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208 /* vi: set ts=4 sw=4 expandtab: */