Mercurial > sdl-ios-xcode
annotate src/video/photon/SDL_ph_modes.c @ 309:2de77f7b7a28
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 11 Mar 2002 17:38:56 +0000 |
| parents | f6ffac90895c |
| children | 3333b6e68289 |
| 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 /* |
| 0 | 66 static int compare_modes_by_bpp(const void* mode1, const void* mode2) |
| 67 { | |
| 68 | |
| 69 if (PgGetVideoModeInfo(*(unsigned short*)mode1, &mode_info) < 0) | |
| 70 { | |
| 71 fprintf(stderr,"error: In compare_modes_by_bpp PgGetVideoModeInfo failed on mode: 0x%x\n", | |
| 72 *(unsigned short*)mode1); | |
| 73 return 0; | |
| 74 } | |
| 75 key1 = mode_info.bits_per_pixel; | |
| 76 | |
| 77 if (PgGetVideoModeInfo(*(unsigned short*)mode2, &mode_info) < 0) | |
| 78 { | |
| 79 fprintf(stderr,"error: In compare_modes_by_bpp PgGetVideoModeInfo failed on mode: 0x%x\n", | |
| 80 *(unsigned short*)mode2); | |
| 81 return 0; | |
| 82 } | |
| 83 key2 = mode_info.bits_per_pixel; | |
| 84 | |
| 85 if (key1 > key2) | |
| 86 return 1; | |
| 87 else if (key1 == key2) | |
| 88 return 0; | |
| 89 else | |
| 90 return -1; | |
| 91 } | |
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92 */ |
| 0 | 93 |
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94 /* |
| 0 | 95 int ph_GetVideoModes(_THIS) |
| 96 { | |
| 97 unsigned short *front; | |
| 98 int i, bpp_group_size; | |
| 99 | |
| 100 // TODO: add mode_list member to _THIS | |
| 101 if (PgGetVideoModeList( &mode_list ) < 0) | |
| 102 { | |
| 103 fprintf(stderr,"error: PgGetVideoModeList failed\n"); | |
| 104 return -1; | |
| 105 } | |
| 106 | |
| 107 // sort list first by bits per pixel (bpp), | |
| 108 // then sort groups with same bpp by resolution. | |
| 109 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_bpp); | |
| 110 bpp_group_size = 1; | |
| 111 front = &mode_list.modes[0]; | |
| 112 for(i=0;i<mode_list.num_modes-2;i++) | |
| 113 { | |
| 114 if (compare_modes_by_bpp(&mode_list.modes[i],&mode_list.modes[i+1])) | |
| 115 { | |
| 116 qsort(front, bpp_group_size, sizeof(unsigned short), compare_modes_by_res); | |
| 117 front = &mode_list.modes[i+1]; | |
| 118 bpp_group_size = 1; | |
| 119 } | |
| 120 else | |
| 121 { | |
| 122 bpp_group_size++; | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 //SDL_modelist = (SDL_Rect **)malloc((mode_list.num_modes+1)*sizeof(SDL_Rect *)); | |
| 127 if ( SDL_modelist ) { | |
| 128 for (i=0;i<mode_list.num_modes;i++) { | |
| 129 // SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect)); | |
| 130 // if ( SDL_modelist[i] == NULL ) { | |
| 131 // break; | |
| 132 // } | |
| 133 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | |
| 134 { | |
| 135 fprintf(stderr,"error: PgGetVideoModeInfo failed on mode: 0x%x\n", | |
| 136 mode_list.modes[i]); | |
| 137 return -1; | |
| 138 } | |
| 139 SDL_modelist[i].x = 0; | |
| 140 SDL_modelist[i].y = 0; | |
| 141 SDL_modelist[i].w = mode_info.height; | |
| 142 SDL_modelist[i].h = mode_info.width; | |
| 143 } | |
| 144 //SDL_modelist[i] = NULL; | |
| 145 } | |
| 146 else | |
| 147 { | |
| 148 fprintf(stderr,"error: malloc failed on SDL_modelist\n"); | |
| 149 return -1; | |
| 150 } | |
| 151 | |
| 152 return 0; | |
| 153 } | |
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154 */ |
| 0 | 155 |
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156 SDL_Rect **ph_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 0 | 157 { |
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158 int i = 0; |
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159 int j = 0; |
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160 SDL_Rect Amodelist[PH_MAX_VIDEOMODES]; |
| 0 | 161 |
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162 for (i=0; i<PH_MAX_VIDEOMODES; i++) |
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163 { |
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164 SDL_modearray[i]=&SDL_modelist[i]; |
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165 } |
| 0 | 166 |
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167 if (PgGetVideoModeList( &mode_list ) < 0) |
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168 { |
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169 fprintf(stderr,"error: PgGetVideoModeList failed\n"); |
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170 return NULL; |
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171 } |
| 0 | 172 |
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173 mode_info.bits_per_pixel = 0; |
| 0 | 174 |
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175 for (i=0; i < mode_list.num_modes; i++) |
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176 { |
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177 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) |
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178 { |
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179 fprintf(stderr,"error: PgGetVideoModeInfo failed on mode: 0x%x\n", mode_list.modes[i]); |
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180 return NULL; |
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181 } |
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182 if(mode_info.bits_per_pixel == format->BitsPerPixel) |
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183 { |
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184 Amodelist[j].w = mode_info.width; |
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185 Amodelist[j].h = mode_info.height; |
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186 Amodelist[j].x = 0; |
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187 Amodelist[j].y = 0; |
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188 j++; |
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189 } |
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190 } |
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191 |
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192 /* reorder biggest for smallest, assume width dominates */ |
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193 |
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194 for(i=0; i<j; i++) |
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195 { |
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196 SDL_modelist[i].w = Amodelist[j - i -1].w; |
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197 SDL_modelist[i].h = Amodelist[j - i -1].h; |
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198 SDL_modelist[i].x = Amodelist[j - i -1].x; |
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199 SDL_modelist[i].y = Amodelist[j - i -1].y; |
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200 } |
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201 SDL_modearray[j]=NULL; |
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203 return SDL_modearray; |
| 0 | 204 } |
| 205 | |
| 206 void ph_FreeVideoModes(_THIS) | |
| 207 { | |
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208 return; |
| 0 | 209 } |
| 210 | |
| 211 static void set_best_resolution(_THIS, int width, int height) | |
| 212 { | |
| 213 | |
| 214 if ( use_vidmode ) { | |
| 215 PgDisplaySettings_t settings; | |
| 216 PgVideoModeInfo_t current_mode_info; | |
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217 PgHWCaps_t my_hwcaps; |
| 0 | 218 unsigned short current_bpp; |
| 219 int i; | |
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220 /* |
| 0 | 221 if (PgGetVideoMode( &settings ) < 0) |
| 222 { | |
| 223 fprintf(stderr,"error: PgGetVideoMode failed\n"); | |
| 224 return; | |
| 225 } | |
| 226 if (PgGetVideoModeInfo( settings.mode, ¤t_mode_info ) < 0) | |
| 227 { | |
| 228 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 229 return; | |
| 230 } | |
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231 */ |
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232 //lu_zero |
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233 if (PgGetGraphicsHWCaps(&my_hwcaps) < 0) |
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234 { |
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235 fprintf(stderr,"set_best_resolution: GetGraphicsHWCaps failed!! \n"); |
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236 //that HAVE to work |
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237 } |
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238 if (PgGetVideoModeInfo(my_hwcaps.current_video_mode, ¤t_mode_info) < 0) |
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239 { |
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240 fprintf(stderr,"set_best_resolution: PgGetVideoModeInfo failed\n"); |
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241 } |
| 0 | 242 current_bpp = current_mode_info.bits_per_pixel; |
| 243 | |
| 244 if (PgGetVideoModeList(&mode_list) >= 0) | |
| 245 { | |
| 246 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res); | |
| 247 #ifdef PH_DEBUG | |
| 248 printf("Available modes:\n"); | |
| 249 for ( i = 0; i < mode_list.num_modes; ++i ) | |
| 250 { | |
| 251 PgGetVideoModeInfo(mode_list.modes[i], &mode_info); | |
| 252 printf("Mode %d: %dx%d\n", i, mode_info.width, mode_info.height); | |
| 253 } | |
| 254 #endif | |
| 255 for ( i = mode_list.num_modes-1; i >= 0 ; --i ) | |
| 256 { | |
| 257 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | |
| 258 { | |
| 259 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 260 } | |
| 261 if ( (mode_info.width >= width) && | |
| 262 (mode_info.height >= height) && | |
| 263 (mode_info.bits_per_pixel == current_bpp) ) | |
| 264 break; | |
| 265 } | |
| 266 if (i >= 0) | |
| 267 { | |
| 268 if ( (mode_info.width != current_mode_info.width) || | |
| 269 (mode_info.height != current_mode_info.height) ) | |
| 270 { | |
| 271 settings.mode = mode_list.modes[i]; | |
| 272 if(PgSetVideoMode( &settings ) < 0) | |
| 273 { | |
| 274 fprintf(stderr,"error: PgSetVideoMode failed\n"); | |
| 275 } | |
| 276 } | |
| 277 } | |
| 278 } | |
| 279 } | |
| 280 } | |
| 281 | |
| 282 int ph_ResizeFullScreen(_THIS) | |
| 283 { | |
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284 if (currently_fullscreen) { |
| 0 | 285 set_best_resolution(this, current_w, current_h); |
| 286 } | |
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287 return (1); |
| 0 | 288 } |
| 289 | |
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290 /* return the mode associated with width, height and bpp */ |
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291 /* if there is no mode then zero is returned */ |
| 0 | 292 int get_mode(int width, int height, int bpp) |
| 293 { | |
|
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294 int i; |
| 0 | 295 |
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296 if(width<640) |
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297 { |
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298 width=640; |
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299 } |
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300 if(height<480) |
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301 { |
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302 height=480; |
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303 } |
| 0 | 304 |
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305 if (PgGetVideoModeList(&mode_list) < 0) |
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306 { |
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307 fprintf(stderr,"error: PgGetVideoModeList failed\n"); |
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308 return -1; |
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309 } |
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310 |
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311 /* search list for exact match */ |
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312 for (i=0;i<mode_list.num_modes;i++) |
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313 { |
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314 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) |
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315 { |
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316 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); |
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317 return 0; |
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318 } |
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319 |
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320 if ((mode_info.width == width) && |
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321 (mode_info.height == height) && |
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322 (mode_info.bits_per_pixel == bpp)) |
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323 { |
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324 return mode_list.modes[i]; |
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325 } |
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326 } |
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327 |
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328 return (i == mode_list.num_modes) ? 0 : mode_list.modes[i]; |
| 0 | 329 } |
| 330 | |
| 331 int get_mode_any_format(int width, int height, int bpp) | |
| 332 /* return the mode associated with width, height and bpp */ | |
| 333 /* if requested bpp is not found the mode with closest bpp is returned */ | |
| 334 { | |
| 335 int i, closest, delta, min_delta; | |
| 336 | |
| 337 if (PgGetVideoModeList( &mode_list ) < 0) | |
| 338 { | |
| 339 fprintf(stderr,"error: PgGetVideoModeList failed\n"); | |
| 340 return -1; | |
| 341 } | |
| 342 | |
| 343 qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res); | |
| 344 for(i=0;i<mode_list.num_modes;i++) | |
| 345 { | |
| 346 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | |
| 347 { | |
| 348 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 349 return 0; | |
| 350 } | |
| 351 if ((mode_info.width == width) && | |
| 352 (mode_info.height == height)) | |
| 353 break; | |
| 354 } | |
| 355 if (i<mode_list.num_modes) | |
| 356 { | |
| 357 // get closest bpp | |
| 358 closest = i++; | |
| 359 if (mode_info.bits_per_pixel == bpp) | |
| 360 return mode_list.modes[ closest ]; | |
| 361 | |
| 362 min_delta = abs(mode_info.bits_per_pixel - bpp); | |
| 363 while(1) | |
| 364 { | |
| 365 if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | |
| 366 { | |
| 367 fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); | |
| 368 return 0; | |
| 369 } | |
| 370 | |
| 371 if ((mode_info.width != width) || | |
| 372 (mode_info.height != height)) | |
| 373 break; | |
| 374 else if (mode_info.bits_per_pixel == bpp) | |
| 375 { | |
| 376 closest = i; | |
| 377 break; | |
| 378 } | |
| 379 else | |
| 380 { | |
| 381 delta = abs(mode_info.bits_per_pixel - bpp); | |
| 382 if (delta < min_delta) | |
| 383 { | |
| 384 closest = i; | |
| 385 min_delta = delta; | |
| 386 } | |
| 387 i++; | |
| 388 } | |
| 389 } | |
| 390 return mode_list.modes[ closest ]; | |
| 391 } | |
| 392 else | |
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393 return 0; |
| 0 | 394 } |
| 395 | |
| 396 void ph_WaitMapped(_THIS); | |
| 397 void ph_WaitUnmapped(_THIS); | |
| 398 void ph_QueueEnterFullScreen(_THIS); | |
| 399 | |
| 400 int ph_ToggleFullScreen(_THIS, int on) | |
| 401 { | |
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402 if (currently_fullscreen) |
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403 { |
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404 return ph_LeaveFullScreen(this); |
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405 } |
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406 else |
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407 { |
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408 return ph_EnterFullScreen(this); |
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409 } |
| 0 | 410 |
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411 return 0; |
| 0 | 412 } |
| 413 | |
| 414 int ph_EnterFullScreen(_THIS) | |
| 415 { | |
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416 if (!currently_fullscreen) |
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417 { |
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418 if ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL) |
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419 { |
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420 #ifdef HAVE_OPENGL |
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421 #endif /* HAVE_OPENGL */ |
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422 return 0; |
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423 } |
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424 else |
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425 { |
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426 if (old_video_mode==-1) |
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427 { |
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428 PgGetGraphicsHWCaps(&graphics_card_caps); |
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429 old_video_mode=graphics_card_caps.current_video_mode; |
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430 old_refresh_rate=graphics_card_caps.current_rrate; |
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431 } |
| 0 | 432 |
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433 if(OCImage.direct_context == NULL) |
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434 { |
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435 OCImage.direct_context=(PdDirectContext_t*)PdCreateDirectContext(); |
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436 } |
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437 if(!OCImage.direct_context) |
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438 { |
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439 fprintf(stderr, "error: Can't create direct context\n" ); |
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440 } |
| 0 | 441 |
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442 PdDirectStart(OCImage.direct_context); |
| 0 | 443 |
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444 currently_fullscreen = 1; |
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445 } |
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446 } |
| 0 | 447 |
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448 return 1; |
| 0 | 449 } |
| 450 | |
| 451 int ph_LeaveFullScreen(_THIS ) | |
| 452 { | |
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453 PgDisplaySettings_t mymode_settings; |
| 0 | 454 |
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455 if (currently_fullscreen) |
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456 { |
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457 if ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL) |
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458 { |
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459 #ifdef HAVE_OPENGL |
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460 #endif /* HAVE_OPENGL */ |
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461 return 0; |
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462 } |
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463 else |
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464 { |
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465 PdDirectStop(OCImage.direct_context); |
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466 PdReleaseDirectContext(OCImage.direct_context); |
| 0 | 467 |
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468 /* Restore old video mode */ |
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469 if (old_video_mode != -1) |
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470 { |
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471 mymode_settings.mode= (unsigned short) old_video_mode; |
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472 mymode_settings.refresh= (unsigned short) old_refresh_rate; |
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473 mymode_settings.flags = 0; |
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474 if (PgSetVideoMode(&mymode_settings) < 0) |
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475 { |
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476 fprintf(stderr,"error: PgSetVideoMode failed\n"); |
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477 } |
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478 } |
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479 |
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480 old_video_mode=-1; |
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481 old_refresh_rate=-1; |
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482 } |
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483 |
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484 } |
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485 return 1; |
| 0 | 486 } |