Mercurial > sdl-ios-xcode
annotate src/video/photon/SDL_ph_modes.c @ 315:3333b6e68289
Date: Sat, 23 Mar 2002 13:53:37 +0200
From: "Mike Gorchak" <mike@malva.ua>
Subject: Big QNX patch again.
Added 8bit palette emulation code for window mode with bpp>=15.
Added store/restore original palette for 8bit modes.
Added more information about photon API call fails.
Rewroten change palette code, slow but works.
Fixed bug with set caption before window was inited.
Fixed bugs with some initial state of variables.
Fixed bug with storing old video mode settings.
Fixed bug with switching to fullscreen mode and back.
Fixed few double SEGFAULTS during parachute mode.
Removed compilation warning with no PgWaitHWIdle prototype.
Removed pack of dead unusable code.
Cleanups SDL_PrivateVideoData structure, some headers.
Some code formatting.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 23 Mar 2002 20:19:44 +0000 |
| parents | 2de77f7b7a28 |
| children | 8e3ce997621c |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include "SDL_ph_modes_c.h" | |
| 29 | |
| 30 static unsigned long key1, key2; | |
| 31 static PgVideoModeInfo_t mode_info; | |
| 32 static PgVideoModes_t mode_list; | |
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33 |
| 0 | 34 /* The current list of available video modes */ |
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35 SDL_Rect SDL_modelist[PH_MAX_VIDEOMODES]; |
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36 SDL_Rect* SDL_modearray[PH_MAX_VIDEOMODES]; |
| 0 | 37 |
| 38 static int compare_modes_by_res(const void* mode1, const void* mode2) | |
| 39 { | |
| 40 | |
| 41 if (PgGetVideoModeInfo(*(unsigned short*)mode1, &mode_info) < 0) | |
| 42 { | |
| 43 fprintf(stderr,"error: In compare_modes_by_res PgGetVideoModeInfo failed on mode: 0x%x\n", | |
| 44 *(unsigned short*)mode1); | |
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45 return 0; |
| 0 | 46 } |
| 47 key1 = mode_info.width * mode_info.height; | |
| 48 | |
| 49 if (PgGetVideoModeInfo(*(unsigned short*)mode2, &mode_info) < 0) | |
| 50 { | |
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51 fprintf(stderr,"error: In compare_modes_by_res PgGetVideoModeInfo failed on mode: 0x%x\n", |
| 0 | 52 *(unsigned short*)mode2); |
| 53 return 0; | |
| 54 } | |
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55 key2 = mode_info.width * mode_info.height; |
| 0 | 56 |
| 57 if (key1 > key2) | |
| 58 return 1; | |
| 59 else if (key1 == key2) | |
| 60 return 0; | |
| 61 else | |
| 62 return -1; | |
| 63 } | |
| 64 | |
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65 SDL_Rect **ph_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 0 | 66 { |
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67 int i = 0; |
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68 int j = 0; |
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69 SDL_Rect Amodelist[PH_MAX_VIDEOMODES]; |
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71 for (i=0; i<PH_MAX_VIDEOMODES; i++) |
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72 { |
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73 SDL_modearray[i]=&SDL_modelist[i]; |
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74 } |
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76 if (PgGetVideoModeList( &mode_list ) < 0) |
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77 { |
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78 fprintf(stderr,"error: PgGetVideoModeList failed\n"); |
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79 return NULL; |
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80 } |
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82 mode_info.bits_per_pixel = 0; |
| 0 | 83 |
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84 for (i=0; i < mode_list.num_modes; i++) |
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85 { |
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86 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) |
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87 { |
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88 fprintf(stderr,"error: PgGetVideoModeInfo failed on mode: 0x%x\n", mode_list.modes[i]); |
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89 return NULL; |
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90 } |
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91 if(mode_info.bits_per_pixel == format->BitsPerPixel) |
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92 { |
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93 Amodelist[j].w = mode_info.width; |
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94 Amodelist[j].h = mode_info.height; |
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95 Amodelist[j].x = 0; |
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96 Amodelist[j].y = 0; |
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97 j++; |
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98 } |
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99 } |
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100 |
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101 /* reorder biggest for smallest, assume width dominates */ |
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102 |
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103 for(i=0; i<j; i++) |
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104 { |
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105 SDL_modelist[i].w = Amodelist[j - i -1].w; |
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106 SDL_modelist[i].h = Amodelist[j - i -1].h; |
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107 SDL_modelist[i].x = Amodelist[j - i -1].x; |
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108 SDL_modelist[i].y = Amodelist[j - i -1].y; |
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109 } |
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110 SDL_modearray[j]=NULL; |
| 0 | 111 |
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112 return SDL_modearray; |
| 0 | 113 } |
| 114 | |
| 115 void ph_FreeVideoModes(_THIS) | |
| 116 { | |
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117 return; |
| 0 | 118 } |
| 119 | |
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120 #if 0 |
| 0 | 121 static void set_best_resolution(_THIS, int width, int height) |
| 122 { | |
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123 /* warning ! dead variable use_vidmode ! */ |
| 0 | 124 if ( use_vidmode ) { |
| 125 PgDisplaySettings_t settings; | |
| 126 PgVideoModeInfo_t current_mode_info; | |
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127 PgHWCaps_t my_hwcaps; |
| 0 | 128 unsigned short current_bpp; |
| 129 int i; | |
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130 /* |
| 0 | 131 if (PgGetVideoMode( &settings ) < 0) |
| 132 { | |
| 133 fprintf(stderr,"error: PgGetVideoMode failed\n"); | |
| 134 return; | |
| 135 } | |
| 136 if (PgGetVideoModeInfo( settings.mode, ¤t_mode_info ) < 0) | |
| 137 { | |
| 138 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 139 return; | |
| 140 } | |
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141 */ |
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142 //lu_zero |
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143 if (PgGetGraphicsHWCaps(&my_hwcaps) < 0) |
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144 { |
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145 fprintf(stderr,"set_best_resolution: GetGraphicsHWCaps failed!! \n"); |
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146 //that HAVE to work |
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147 } |
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148 if (PgGetVideoModeInfo(my_hwcaps.current_video_mode, ¤t_mode_info) < 0) |
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149 { |
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150 fprintf(stderr,"set_best_resolution: PgGetVideoModeInfo failed\n"); |
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151 } |
| 0 | 152 current_bpp = current_mode_info.bits_per_pixel; |
| 153 | |
| 154 if (PgGetVideoModeList(&mode_list) >= 0) | |
| 155 { | |
| 156 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res); | |
| 157 #ifdef PH_DEBUG | |
| 158 printf("Available modes:\n"); | |
| 159 for ( i = 0; i < mode_list.num_modes; ++i ) | |
| 160 { | |
| 161 PgGetVideoModeInfo(mode_list.modes[i], &mode_info); | |
| 162 printf("Mode %d: %dx%d\n", i, mode_info.width, mode_info.height); | |
| 163 } | |
| 164 #endif | |
| 165 for ( i = mode_list.num_modes-1; i >= 0 ; --i ) | |
| 166 { | |
| 167 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | |
| 168 { | |
| 169 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 170 } | |
| 171 if ( (mode_info.width >= width) && | |
| 172 (mode_info.height >= height) && | |
| 173 (mode_info.bits_per_pixel == current_bpp) ) | |
| 174 break; | |
| 175 } | |
| 176 if (i >= 0) | |
| 177 { | |
| 178 if ( (mode_info.width != current_mode_info.width) || | |
| 179 (mode_info.height != current_mode_info.height) ) | |
| 180 { | |
| 181 settings.mode = mode_list.modes[i]; | |
| 182 if(PgSetVideoMode( &settings ) < 0) | |
| 183 { | |
| 184 fprintf(stderr,"error: PgSetVideoMode failed\n"); | |
| 185 } | |
| 186 } | |
| 187 } | |
| 188 } | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 int ph_ResizeFullScreen(_THIS) | |
| 193 { | |
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194 if (currently_fullscreen) |
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195 { |
| 0 | 196 set_best_resolution(this, current_w, current_h); |
| 197 } | |
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198 |
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199 return (1); |
| 0 | 200 } |
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201 #endif /* 0 */ |
| 0 | 202 |
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203 /* return the mode associated with width, height and bpp */ |
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204 /* if there is no mode then zero is returned */ |
| 0 | 205 int get_mode(int width, int height, int bpp) |
| 206 { | |
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207 int i; |
| 0 | 208 |
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209 if(width<640) |
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210 { |
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211 width=640; |
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212 } |
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213 if(height<480) |
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214 { |
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215 height=480; |
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216 } |
| 0 | 217 |
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218 if (PgGetVideoModeList(&mode_list) < 0) |
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219 { |
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220 fprintf(stderr,"error: PgGetVideoModeList failed\n"); |
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221 return -1; |
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222 } |
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223 |
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224 /* search list for exact match */ |
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225 for (i=0;i<mode_list.num_modes;i++) |
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226 { |
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227 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) |
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228 { |
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229 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); |
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230 return 0; |
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231 } |
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232 |
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233 if ((mode_info.width == width) && |
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234 (mode_info.height == height) && |
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235 (mode_info.bits_per_pixel == bpp)) |
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236 { |
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237 return mode_list.modes[i]; |
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238 } |
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239 } |
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240 |
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241 return (i == mode_list.num_modes) ? 0 : mode_list.modes[i]; |
| 0 | 242 } |
| 243 | |
| 244 int get_mode_any_format(int width, int height, int bpp) | |
| 245 /* return the mode associated with width, height and bpp */ | |
| 246 /* if requested bpp is not found the mode with closest bpp is returned */ | |
| 247 { | |
| 248 int i, closest, delta, min_delta; | |
| 249 | |
| 250 if (PgGetVideoModeList( &mode_list ) < 0) | |
| 251 { | |
| 252 fprintf(stderr,"error: PgGetVideoModeList failed\n"); | |
| 253 return -1; | |
| 254 } | |
| 255 | |
| 256 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res); | |
| 257 for(i=0;i<mode_list.num_modes;i++) | |
| 258 { | |
| 259 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | |
| 260 { | |
| 261 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 262 return 0; | |
| 263 } | |
| 264 if ((mode_info.width == width) && | |
| 265 (mode_info.height == height)) | |
| 266 break; | |
| 267 } | |
| 268 if (i<mode_list.num_modes) | |
| 269 { | |
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270 /* get closest bpp */ |
| 0 | 271 closest = i++; |
| 272 if (mode_info.bits_per_pixel == bpp) | |
| 273 return mode_list.modes[ closest ]; | |
| 274 | |
| 275 min_delta = abs(mode_info.bits_per_pixel - bpp); | |
| 276 while(1) | |
| 277 { | |
| 278 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | |
| 279 { | |
| 280 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 281 return 0; | |
| 282 } | |
| 283 | |
| 284 if ((mode_info.width != width) || | |
| 285 (mode_info.height != height)) | |
| 286 break; | |
| 287 else if (mode_info.bits_per_pixel == bpp) | |
| 288 { | |
| 289 closest = i; | |
| 290 break; | |
| 291 } | |
| 292 else | |
| 293 { | |
| 294 delta = abs(mode_info.bits_per_pixel - bpp); | |
| 295 if (delta < min_delta) | |
| 296 { | |
| 297 closest = i; | |
| 298 min_delta = delta; | |
| 299 } | |
| 300 i++; | |
| 301 } | |
| 302 } | |
| 303 return mode_list.modes[ closest ]; | |
| 304 } | |
| 305 else | |
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306 return 0; |
| 0 | 307 } |
| 308 | |
| 309 void ph_WaitMapped(_THIS); | |
| 310 void ph_WaitUnmapped(_THIS); | |
| 311 void ph_QueueEnterFullScreen(_THIS); | |
| 312 | |
| 313 int ph_ToggleFullScreen(_THIS, int on) | |
| 314 { | |
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315 if (currently_fullscreen) |
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316 { |
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317 return ph_LeaveFullScreen(this); |
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318 } |
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319 else |
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320 { |
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321 return ph_EnterFullScreen(this); |
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322 } |
| 0 | 323 |
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324 return 0; |
| 0 | 325 } |
| 326 | |
| 327 int ph_EnterFullScreen(_THIS) | |
| 328 { | |
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329 if (!currently_fullscreen) |
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330 { |
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331 if (this->screen) |
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332 { |
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333 if ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL) |
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334 { |
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335 #ifdef HAVE_OPENGL |
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336 #endif /* HAVE_OPENGL */ |
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337 return 0; |
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338 } |
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339 } |
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340 |
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341 if (OCImage.direct_context == NULL) |
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342 { |
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343 OCImage.direct_context=(PdDirectContext_t*)PdCreateDirectContext(); |
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344 } |
| 0 | 345 |
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346 if (!OCImage.direct_context) |
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347 { |
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348 fprintf(stderr, "ph_EnterFullScreen: Can't create direct context\n" ); |
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349 } |
| 0 | 350 |
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351 PdDirectStart(OCImage.direct_context); |
| 0 | 352 |
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353 currently_fullscreen = 1; |
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354 } |
| 0 | 355 |
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356 return 1; |
| 0 | 357 } |
| 358 | |
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359 int ph_LeaveFullScreen(_THIS) |
| 0 | 360 { |
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361 PgDisplaySettings_t mymode_settings; |
| 0 | 362 |
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363 if (currently_fullscreen) |
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364 { |
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365 if ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL) |
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366 { |
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367 #ifdef HAVE_OPENGL |
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368 #endif /* HAVE_OPENGL */ |
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369 return 0; |
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370 } |
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371 else |
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372 { |
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373 PdDirectStop(OCImage.direct_context); |
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374 PdReleaseDirectContext(OCImage.direct_context); |
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375 |
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376 currently_fullscreen=0; |
| 0 | 377 |
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378 /* Restore old video mode */ |
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379 if (old_video_mode != -1) |
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380 { |
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381 mymode_settings.mode= (unsigned short) old_video_mode; |
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382 mymode_settings.refresh= (unsigned short) old_refresh_rate; |
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383 mymode_settings.flags= 0; |
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384 |
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385 if (PgSetVideoMode(&mymode_settings) < 0) |
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386 { |
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387 fprintf(stderr,"error: PgSetVideoMode failed\n"); |
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388 } |
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389 } |
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390 |
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391 old_video_mode=-1; |
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392 old_refresh_rate=-1; |
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393 } |
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394 |
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395 } |
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396 return 1; |
| 0 | 397 } |