Mercurial > sdl-ios-xcode
annotate src/video/cybergfx/SDL_cgxmodes.c @ 1318:f95502c6fc72
Eliminate duplicate modes with different refresh rates
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 01 Feb 2006 09:28:42 +0000 |
| parents | c9b51268668f |
| children | 3692456e7b0f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 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 |
| 0 | 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. |
| 0 | 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 | |
|
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13 Lesser General Public License for more details. |
| 0 | 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 |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* Utilities for getting and setting the X display mode */ | |
| 24 | |
| 25 /* | |
| 26 #include <stdlib.h> | |
| 27 #include <string.h> | |
| 28 */ | |
| 29 | |
| 30 #include "SDL_timer.h" | |
| 31 #include "SDL_error.h" | |
| 32 #include "SDL_events.h" | |
| 33 #include "SDL_events_c.h" | |
| 34 #include "SDL_cgxvideo.h" | |
| 35 #include "SDL_cgxwm_c.h" | |
| 36 #include "SDL_cgxmodes_c.h" | |
| 37 | |
| 38 #define CGX_DEBUG | |
| 39 | |
| 40 static void set_best_resolution(_THIS, int width, int height) | |
| 41 { | |
| 42 Uint32 idok; | |
| 43 int depth=8; | |
| 44 | |
| 45 if(SDL_Display) | |
| 46 depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH); | |
| 47 | |
| 48 idok=BestCModeIDTags(CYBRBIDTG_NominalWidth,width, | |
| 49 CYBRBIDTG_NominalHeight,height, | |
| 50 CYBRBIDTG_Depth,depth, | |
| 51 TAG_DONE); | |
| 52 | |
| 53 if(idok!=INVALID_ID) | |
| 54 { | |
| 55 if(SDL_Display) | |
| 56 { | |
| 57 if(currently_fullscreen) | |
| 58 CloseScreen(SDL_Display); | |
| 59 else | |
| 60 UnlockPubScreen(NULL,SDL_Display); | |
| 61 } | |
| 62 SDL_Display=GFX_Display=OpenScreenTags(NULL,SA_Width,width,SA_Height,height, | |
| 63 SA_Depth,depth,SA_DisplayID,idok, | |
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64 SA_ShowTitle,FALSE, |
| 0 | 65 TAG_DONE); |
| 66 } | |
| 67 } | |
| 68 | |
| 69 static void get_real_resolution(_THIS, int* w, int* h) | |
| 70 { | |
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71 *w = /*SDL_Display->Width*/ SDL_Window->Width-SDL_Window->BorderLeft-SDL_Window->BorderRight; |
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72 *h = /*SDL_Display->Height*/ SDL_Window->Height-SDL_Window->BorderBottom-SDL_Window->BorderTop; |
| 0 | 73 } |
| 74 | |
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75 static void move_cursor_to(_THIS, int x, int y) |
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76 { |
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77 /* XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y); */ |
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78 |
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79 /* DA FARE! */ |
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80 } |
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81 |
| 0 | 82 static void add_visual(_THIS, int depth, int class) |
| 83 { | |
| 84 Uint32 tID; | |
| 85 | |
| 86 tID=BestCModeIDTags(CYBRBIDTG_Depth,depth, | |
| 87 CYBRBIDTG_NominalWidth,640, | |
| 88 CYBRBIDTG_NominalHeight,480, | |
| 89 TAG_DONE); | |
| 90 | |
| 91 if(tID!=INVALID_ID) | |
| 92 { | |
| 93 int n = this->hidden->nvisuals; | |
| 94 | |
| 95 this->hidden->visuals[n].depth = depth; | |
| 96 this->hidden->visuals[n].visual = tID; | |
| 97 this->hidden->visuals[n].bpp = GetCyberIDAttr(CYBRIDATTR_BPPIX,tID); | |
| 98 this->hidden->nvisuals++; | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 #define TrueColor 1 | |
| 103 #define PseudoColor 2 | |
| 104 | |
| 105 int CGX_GetVideoModes(_THIS) | |
| 106 { | |
| 107 int i; | |
| 108 ULONG nextid; | |
| 109 int nmodes=0; | |
| 110 | |
| 111 SDL_modelist=NULL; | |
| 112 | |
| 113 nextid=NextDisplayInfo(INVALID_ID); | |
| 114 | |
| 115 while(nextid!=INVALID_ID) | |
| 116 { | |
| 117 if(IsCyberModeID(nextid)) | |
| 118 { | |
| 119 DisplayInfoHandle h; | |
| 120 | |
| 121 if(h=FindDisplayInfo(nextid)) | |
| 122 { | |
| 123 struct DimensionInfo info; | |
| 124 | |
| 125 if(GetDisplayInfoData(h,(char *)&info,sizeof(struct DimensionInfo),DTAG_DIMS,NULL)) | |
| 126 { | |
| 127 int ok=0; | |
| 128 | |
| 129 for(i=0;i<nmodes;i++) | |
| 130 { | |
| 131 if( SDL_modelist[i]->w == (info.Nominal.MaxX+1) && | |
| 132 SDL_modelist[i]->h == (info.Nominal.MaxY+1) ) | |
| 133 ok=1; | |
| 134 } | |
| 135 | |
| 136 if(!ok) | |
| 137 { | |
| 138 nmodes++; | |
| 139 | |
| 140 SDL_modelist = (SDL_Rect **)realloc(SDL_modelist,(nmodes+1)*sizeof(SDL_Rect *)); | |
| 141 SDL_modelist[nmodes]=NULL; | |
| 142 | |
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143 if ( SDL_modelist ) |
| 0 | 144 { |
| 145 SDL_modelist[nmodes-1] = (SDL_Rect *)malloc(sizeof(SDL_Rect)); | |
| 146 | |
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147 if ( SDL_modelist[nmodes-1] == NULL ) |
| 0 | 148 break; |
| 149 | |
| 150 SDL_modelist[nmodes-1]->x = 0; | |
| 151 SDL_modelist[nmodes-1]->y = 0; | |
| 152 SDL_modelist[nmodes-1]->w = info.Nominal.MaxX+1; | |
| 153 SDL_modelist[nmodes-1]->h = info.Nominal.MaxY+1; | |
| 154 } | |
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155 } |
| 0 | 156 } |
| 157 } | |
| 158 } | |
| 159 nextid=NextDisplayInfo(nextid); | |
| 160 } | |
| 161 | |
| 162 | |
| 163 this->hidden->nvisuals = 0; | |
| 164 /* Search for the visuals in deepest-first order, so that the first | |
| 165 will be the richest one */ | |
| 166 add_visual(this, 32, TrueColor); | |
| 167 add_visual(this, 24, TrueColor); | |
| 168 add_visual(this, 16, TrueColor); | |
| 169 add_visual(this, 15, TrueColor); | |
| 170 add_visual(this, 8, PseudoColor); | |
| 171 | |
| 172 if(this->hidden->nvisuals == 0) { | |
| 173 SDL_SetError("Found no sufficiently capable CGX visuals"); | |
| 174 return -1; | |
| 175 } | |
| 176 | |
| 177 if ( SDL_modelist == NULL ) { | |
| 178 SDL_modelist = (SDL_Rect **)malloc((1+1)*sizeof(SDL_Rect *)); | |
| 179 i = 0; | |
| 180 if ( SDL_modelist ) { | |
| 181 SDL_modelist[i] = (SDL_Rect *)malloc(sizeof(SDL_Rect)); | |
| 182 if ( SDL_modelist[i] ) { | |
| 183 SDL_modelist[i]->x = 0; | |
| 184 SDL_modelist[i]->y = 0; | |
| 185 SDL_modelist[i]->w = SDL_Display->Width; | |
| 186 SDL_modelist[i]->h = SDL_Display->Height; | |
| 187 ++i; | |
| 188 } | |
| 189 SDL_modelist[i] = NULL; | |
| 190 } | |
| 191 } | |
| 192 | |
| 193 D( if ( SDL_modelist ) { | |
| 194 bug("CGX video mode list: (%ld)\n",nmodes); | |
| 195 for ( i=0; SDL_modelist[i]; ++i ) { | |
| 196 bug( "\t%ld x %ld\n", | |
| 197 SDL_modelist[i]->w, SDL_modelist[i]->h); | |
| 198 } | |
| 199 } | |
| 200 ); | |
| 201 | |
| 202 D( { bug("CGX visuals list: (%ld)\n",this->hidden->nvisuals); | |
| 203 | |
| 204 for(i=0;i<this->hidden->nvisuals;i++) | |
| 205 bug("\t%lx - depth: %ld bpp: %ld\n",this->hidden->visuals[i].visual,this->hidden->visuals[i].depth,this->hidden->visuals[i].bpp); | |
| 206 } | |
| 207 ); | |
| 208 return 0; | |
| 209 } | |
| 210 | |
| 211 int CGX_SupportedVisual(_THIS, SDL_PixelFormat *format) | |
| 212 { | |
| 213 int i; | |
| 214 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 215 { | |
| 216 if(this->hidden->visuals[i].depth == format->BitsPerPixel) // Era bpp | |
| 217 return 1; | |
| 218 } | |
| 219 return 0; | |
| 220 } | |
| 221 | |
| 222 SDL_Rect **CGX_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 223 { | |
| 224 if ( CGX_SupportedVisual(this, format) ) { | |
| 225 if ( flags & SDL_FULLSCREEN ) { | |
| 226 return(SDL_modelist); | |
| 227 } else { | |
| 228 return((SDL_Rect **)-1); | |
| 229 } | |
| 230 } else { | |
| 231 return((SDL_Rect **)0); | |
| 232 } | |
| 233 } | |
| 234 | |
| 235 void CGX_FreeVideoModes(_THIS) | |
| 236 { | |
| 237 int i; | |
| 238 | |
| 239 if ( SDL_modelist ) { | |
| 240 for ( i=0; SDL_modelist[i]; ++i ) { | |
| 241 free(SDL_modelist[i]); | |
| 242 } | |
| 243 free(SDL_modelist); | |
| 244 SDL_modelist = NULL; | |
| 245 } | |
| 246 } | |
| 247 | |
| 248 int CGX_ResizeFullScreen(_THIS) | |
| 249 { | |
| 250 int x, y; | |
| 251 int real_w, real_h; | |
| 252 | |
| 253 if ( currently_fullscreen ) { | |
| 254 /* Per ora non faccio nulla qui */ | |
| 255 } | |
| 256 return(1); | |
| 257 } | |
| 258 | |
| 259 void _QueueEnterFullScreen(_THIS) | |
| 260 { | |
| 261 } | |
| 262 | |
| 263 int CGX_EnterFullScreen(_THIS) | |
| 264 { | |
| 265 int okay; | |
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266 Uint32 saved_flags; |
| 0 | 267 |
| 268 okay = 1; | |
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269 saved_flags = this->screen->flags; |
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270 |
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271 if ( ! currently_fullscreen ) |
| 0 | 272 { |
| 273 int real_w, real_h; | |
| 274 | |
| 275 /* Map the fullscreen window to blank the screen */ | |
| 276 get_real_resolution(this, &real_w, &real_h); | |
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277 |
| 0 | 278 CGX_DestroyWindow(this,this->screen); |
| 279 set_best_resolution(this, real_w,real_h); | |
| 280 | |
| 281 /* Grab the mouse on the fullscreen window | |
| 282 The event handling will know when we become active, and then | |
| 283 enter fullscreen mode if we can't grab the mouse this time. | |
| 284 */ | |
| 285 #if 0 | |
| 286 if ( (XGrabPointer(SDL_Display, FSwindow, True, 0, | |
| 287 GrabModeAsync, GrabModeAsync, | |
| 288 FSwindow, None, CurrentTime) != GrabSuccess) || | |
| 289 (XGrabKeyboard(SDL_Display, WMwindow, True, | |
| 290 GrabModeAsync, GrabModeAsync, CurrentTime) != 0) ) { | |
| 291 XUnmapWindow(SDL_Display, FSwindow); | |
| 292 X11_WaitUnmapped(this, FSwindow); | |
| 293 X11_QueueEnterFullScreen(this); | |
| 294 return(0); | |
| 295 } | |
| 296 #endif | |
| 297 | |
| 298 currently_fullscreen = 1; | |
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299 this->screen->flags = saved_flags; |
| 0 | 300 |
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301 CGX_CreateWindow(this,this->screen,real_w,real_h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags); |
| 0 | 302 |
| 303 /* Set the new resolution */ | |
| 304 okay = CGX_ResizeFullScreen(this); | |
| 305 if ( ! okay ) { | |
| 306 CGX_LeaveFullScreen(this); | |
| 307 } | |
| 308 /* Set the colormap */ | |
| 309 /* | |
| 310 if ( SDL_XColorMap ) { | |
| 311 XInstallColormap(SDL_Display, SDL_XColorMap); | |
| 312 } | |
| 313 */ | |
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314 } |
| 0 | 315 // CGX_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN); |
| 316 return(okay); | |
| 317 } | |
| 318 | |
| 319 int CGX_LeaveFullScreen(_THIS) | |
| 320 { | |
| 321 if ( currently_fullscreen ) { | |
| 322 int width,height; | |
| 323 if ( SDL_Window ) { | |
| 324 CloseWindow(SDL_Window); | |
| 325 SDL_Window=NULL; | |
| 326 } | |
| 327 CloseScreen(SDL_Display); | |
| 328 | |
| 329 GFX_Display=SDL_Display=LockPubScreen(NULL); | |
| 330 | |
| 331 currently_fullscreen = 0; | |
| 332 | |
| 333 CGX_CreateWindow(this,this->screen,this->screen->w,this->screen->h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags); | |
| 334 CGX_ResizeImage(this,this->screen,0L); | |
| 335 } | |
| 336 | |
| 337 return(0); | |
| 338 } |