diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/photon/SDL_ph_modes.c')
-rw-r--r-- | apps/plugins/sdl/src/video/photon/SDL_ph_modes.c | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/photon/SDL_ph_modes.c b/apps/plugins/sdl/src/video/photon/SDL_ph_modes.c new file mode 100644 index 0000000000..8c2bf7e4bf --- /dev/null +++ b/apps/plugins/sdl/src/video/photon/SDL_ph_modes.c | |||
@@ -0,0 +1,390 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 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 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #include "SDL_ph_modes_c.h" | ||
25 | |||
26 | static PgVideoModeInfo_t mode_info; | ||
27 | static PgVideoModes_t mode_list; | ||
28 | |||
29 | /* The current list of available video modes */ | ||
30 | SDL_Rect SDL_modelist[PH_MAX_VIDEOMODES]; | ||
31 | SDL_Rect* SDL_modearray[PH_MAX_VIDEOMODES]; | ||
32 | |||
33 | static int compare_modes_by_res(const void* mode1, const void* mode2) | ||
34 | { | ||
35 | PgVideoModeInfo_t mode1_info; | ||
36 | PgVideoModeInfo_t mode2_info; | ||
37 | |||
38 | if (PgGetVideoModeInfo(*(unsigned short*)mode1, &mode1_info) < 0) | ||
39 | { | ||
40 | return 0; | ||
41 | } | ||
42 | |||
43 | if (PgGetVideoModeInfo(*(unsigned short*)mode2, &mode2_info) < 0) | ||
44 | { | ||
45 | return 0; | ||
46 | } | ||
47 | |||
48 | if (mode1_info.width == mode2_info.width) | ||
49 | { | ||
50 | return mode2_info.height - mode1_info.height; | ||
51 | } | ||
52 | else | ||
53 | { | ||
54 | return mode2_info.width - mode1_info.width; | ||
55 | } | ||
56 | } | ||
57 | |||
58 | SDL_Rect **ph_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | ||
59 | { | ||
60 | int i = 0; | ||
61 | int j = 0; | ||
62 | SDL_Rect Amodelist[PH_MAX_VIDEOMODES]; | ||
63 | |||
64 | for (i=0; i<PH_MAX_VIDEOMODES; i++) | ||
65 | { | ||
66 | SDL_modearray[i]=&SDL_modelist[i]; | ||
67 | } | ||
68 | |||
69 | if (PgGetVideoModeList(&mode_list) < 0) | ||
70 | { | ||
71 | SDL_SetError("ph_ListModes(): PgGetVideoModeList() function failed !\n"); | ||
72 | return NULL; | ||
73 | } | ||
74 | |||
75 | mode_info.bits_per_pixel = 0; | ||
76 | |||
77 | for (i=0; i < mode_list.num_modes; i++) | ||
78 | { | ||
79 | if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | ||
80 | { | ||
81 | SDL_SetError("ph_ListModes(): PgGetVideoModeInfo() function failed on mode: 0x%X.\n", mode_list.modes[i]); | ||
82 | return NULL; | ||
83 | } | ||
84 | if(mode_info.bits_per_pixel == format->BitsPerPixel) | ||
85 | { | ||
86 | Amodelist[j].w = mode_info.width; | ||
87 | Amodelist[j].h = mode_info.height; | ||
88 | Amodelist[j].x = 0; | ||
89 | Amodelist[j].y = 0; | ||
90 | j++; | ||
91 | } | ||
92 | } | ||
93 | |||
94 | /* reorder biggest for smallest, assume width dominates */ | ||
95 | |||
96 | for(i=0; i<j; i++) | ||
97 | { | ||
98 | SDL_modelist[i].w = Amodelist[j - i - 1].w; | ||
99 | SDL_modelist[i].h = Amodelist[j - i - 1].h; | ||
100 | SDL_modelist[i].x = Amodelist[j - i - 1].x; | ||
101 | SDL_modelist[i].y = Amodelist[j - i - 1].y; | ||
102 | } | ||
103 | SDL_modearray[j]=NULL; | ||
104 | |||
105 | return SDL_modearray; | ||
106 | } | ||
107 | |||
108 | void ph_FreeVideoModes(_THIS) | ||
109 | { | ||
110 | return; | ||
111 | } | ||
112 | |||
113 | /* return the mode associated with width, height and bpp */ | ||
114 | /* if there is no mode then zero is returned */ | ||
115 | int ph_GetVideoMode(int width, int height, int bpp) | ||
116 | { | ||
117 | int i; | ||
118 | int modestage=0; | ||
119 | int closestmode=0; | ||
120 | |||
121 | if (PgGetVideoModeList(&mode_list) < 0) | ||
122 | { | ||
123 | return -1; | ||
124 | } | ||
125 | |||
126 | /* special case for the double-sized 320x200 mode */ | ||
127 | if ((width==640) && (height==400)) | ||
128 | { | ||
129 | modestage=1; | ||
130 | } | ||
131 | |||
132 | /* search list for exact match */ | ||
133 | for (i=0; i<mode_list.num_modes; i++) | ||
134 | { | ||
135 | if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | ||
136 | { | ||
137 | return 0; | ||
138 | } | ||
139 | |||
140 | if ((mode_info.width == width) && (mode_info.height == height) && | ||
141 | (mode_info.bits_per_pixel == bpp)) | ||
142 | { | ||
143 | return mode_list.modes[i]; | ||
144 | } | ||
145 | else | ||
146 | { | ||
147 | if ((modestage) && (mode_info.width == width) && (mode_info.height == height+80) && | ||
148 | (mode_info.bits_per_pixel == bpp)) | ||
149 | { | ||
150 | modestage=2; | ||
151 | closestmode=mode_list.modes[i]; | ||
152 | } | ||
153 | } | ||
154 | } | ||
155 | |||
156 | /* if we are here, then no 640x400xbpp mode found and we'll emulate it via 640x480xbpp mode */ | ||
157 | if (modestage==2) | ||
158 | { | ||
159 | return closestmode; | ||
160 | } | ||
161 | |||
162 | return (i == mode_list.num_modes) ? 0 : mode_list.modes[i]; | ||
163 | } | ||
164 | |||
165 | /* return the mode associated with width, height and bpp */ | ||
166 | /* if requested bpp is not found the mode with closest bpp is returned */ | ||
167 | int get_mode_any_format(int width, int height, int bpp) | ||
168 | { | ||
169 | int i, closest, delta, min_delta; | ||
170 | |||
171 | if (PgGetVideoModeList(&mode_list) < 0) | ||
172 | { | ||
173 | return -1; | ||
174 | } | ||
175 | |||
176 | SDL_qsort(mode_list.modes, mode_list.num_modes, sizeof(unsigned short), compare_modes_by_res); | ||
177 | |||
178 | for(i=0;i<mode_list.num_modes;i++) | ||
179 | { | ||
180 | if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | ||
181 | { | ||
182 | return 0; | ||
183 | } | ||
184 | if ((mode_info.width == width) && (mode_info.height == height)) | ||
185 | { | ||
186 | break; | ||
187 | } | ||
188 | } | ||
189 | |||
190 | if (i<mode_list.num_modes) | ||
191 | { | ||
192 | /* get closest bpp */ | ||
193 | closest = i++; | ||
194 | if (mode_info.bits_per_pixel == bpp) | ||
195 | { | ||
196 | return mode_list.modes[closest]; | ||
197 | } | ||
198 | |||
199 | min_delta = abs(mode_info.bits_per_pixel - bpp); | ||
200 | |||
201 | while(1) | ||
202 | { | ||
203 | if (PgGetVideoModeInfo(mode_list.modes[i], &mode_info) < 0) | ||
204 | { | ||
205 | return 0; | ||
206 | } | ||
207 | |||
208 | if ((mode_info.width != width) || (mode_info.height != height)) | ||
209 | { | ||
210 | break; | ||
211 | } | ||
212 | else | ||
213 | { | ||
214 | if (mode_info.bits_per_pixel == bpp) | ||
215 | { | ||
216 | closest = i; | ||
217 | break; | ||
218 | } | ||
219 | else | ||
220 | { | ||
221 | delta = abs(mode_info.bits_per_pixel - bpp); | ||
222 | if (delta < min_delta) | ||
223 | { | ||
224 | closest = i; | ||
225 | min_delta = delta; | ||
226 | } | ||
227 | i++; | ||
228 | } | ||
229 | } | ||
230 | } | ||
231 | return mode_list.modes[closest]; | ||
232 | } | ||
233 | |||
234 | return 0; | ||
235 | } | ||
236 | |||
237 | int ph_ToggleFullScreen(_THIS, int on) | ||
238 | { | ||
239 | return -1; | ||
240 | } | ||
241 | |||
242 | int ph_EnterFullScreen(_THIS, SDL_Surface* screen, int fmode) | ||
243 | { | ||
244 | PgDisplaySettings_t settings; | ||
245 | int mode; | ||
246 | char* refreshrate; | ||
247 | int refreshratenum; | ||
248 | |||
249 | if (!currently_fullscreen) | ||
250 | { | ||
251 | /* Get the video mode and set it */ | ||
252 | if (screen->flags & SDL_ANYFORMAT) | ||
253 | { | ||
254 | if ((mode = get_mode_any_format(screen->w, screen->h, screen->format->BitsPerPixel)) == 0) | ||
255 | { | ||
256 | SDL_SetError("ph_EnterFullScreen(): can't find appropriate video mode !\n"); | ||
257 | return 0; | ||
258 | } | ||
259 | } | ||
260 | else | ||
261 | { | ||
262 | if ((mode = ph_GetVideoMode(screen->w, screen->h, screen->format->BitsPerPixel)) == 0) | ||
263 | { | ||
264 | SDL_SetError("ph_EnterFullScreen(): can't find appropriate video mode !\n"); | ||
265 | return 0; | ||
266 | } | ||
267 | if (PgGetVideoModeInfo(mode, &mode_info) < 0) | ||
268 | { | ||
269 | SDL_SetError("ph_EnterFullScreen(): can't get video mode capabilities !\n"); | ||
270 | return 0; | ||
271 | } | ||
272 | if (mode_info.height != screen->h) | ||
273 | { | ||
274 | if ((mode_info.height==480) && (screen->h==400)) | ||
275 | { | ||
276 | videomode_emulatemode=1; | ||
277 | } | ||
278 | } | ||
279 | else | ||
280 | { | ||
281 | videomode_emulatemode=0; | ||
282 | } | ||
283 | } | ||
284 | |||
285 | /* save old video mode caps */ | ||
286 | PgGetVideoMode(&settings); | ||
287 | old_video_mode=settings.mode; | ||
288 | old_refresh_rate=settings.refresh; | ||
289 | |||
290 | /* setup new video mode */ | ||
291 | settings.mode = mode; | ||
292 | settings.refresh = 0; | ||
293 | settings.flags = 0; | ||
294 | |||
295 | refreshrate=SDL_getenv("SDL_PHOTON_FULLSCREEN_REFRESH"); | ||
296 | if (refreshrate!=NULL) | ||
297 | { | ||
298 | if (SDL_sscanf(refreshrate, "%d", &refreshratenum)==1) | ||
299 | { | ||
300 | settings.refresh = refreshratenum; | ||
301 | } | ||
302 | } | ||
303 | |||
304 | if (PgSetVideoMode(&settings) < 0) | ||
305 | { | ||
306 | SDL_SetError("ph_EnterFullScreen(): PgSetVideoMode() call failed !\n"); | ||
307 | return 0; | ||
308 | } | ||
309 | |||
310 | if (this->screen) | ||
311 | { | ||
312 | if ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL) | ||
313 | { | ||
314 | #if !SDL_VIDEO_OPENGL || (_NTO_VERSION < 630) | ||
315 | return 0; /* 6.3.0 */ | ||
316 | #endif | ||
317 | } | ||
318 | } | ||
319 | |||
320 | if (fmode==0) | ||
321 | { | ||
322 | if (OCImage.direct_context==NULL) | ||
323 | { | ||
324 | OCImage.direct_context=(PdDirectContext_t*)PdCreateDirectContext(); | ||
325 | if (!OCImage.direct_context) | ||
326 | { | ||
327 | SDL_SetError("ph_EnterFullScreen(): Can't create direct context !\n"); | ||
328 | ph_LeaveFullScreen(this); | ||
329 | return 0; | ||
330 | } | ||
331 | } | ||
332 | OCImage.oldDC=PdDirectStart(OCImage.direct_context); | ||
333 | } | ||
334 | |||
335 | currently_fullscreen = 1; | ||
336 | } | ||
337 | PgFlush(); | ||
338 | |||
339 | return 1; | ||
340 | } | ||
341 | |||
342 | int ph_LeaveFullScreen(_THIS) | ||
343 | { | ||
344 | PgDisplaySettings_t oldmode_settings; | ||
345 | |||
346 | if (currently_fullscreen) | ||
347 | { | ||
348 | if ((this->screen) && ((this->screen->flags & SDL_OPENGL)==SDL_OPENGL)) | ||
349 | { | ||
350 | #if !SDL_VIDEO_OPENGL || (_NTO_VERSION < 630) | ||
351 | return 0; | ||
352 | #endif | ||
353 | } | ||
354 | |||
355 | /* release routines starts here */ | ||
356 | { | ||
357 | if (OCImage.direct_context) | ||
358 | { | ||
359 | PdDirectStop(OCImage.direct_context); | ||
360 | PdReleaseDirectContext(OCImage.direct_context); | ||
361 | OCImage.direct_context=NULL; | ||
362 | } | ||
363 | if (OCImage.oldDC) | ||
364 | { | ||
365 | PhDCSetCurrent(OCImage.oldDC); | ||
366 | OCImage.oldDC=NULL; | ||
367 | } | ||
368 | |||
369 | currently_fullscreen=0; | ||
370 | |||
371 | /* Restore old video mode */ | ||
372 | if (old_video_mode != -1) | ||
373 | { | ||
374 | oldmode_settings.mode = (unsigned short) old_video_mode; | ||
375 | oldmode_settings.refresh = (unsigned short) old_refresh_rate; | ||
376 | oldmode_settings.flags = 0; | ||
377 | |||
378 | if (PgSetVideoMode(&oldmode_settings) < 0) | ||
379 | { | ||
380 | SDL_SetError("Ph_LeaveFullScreen(): PgSetVideoMode() function failed !\n"); | ||
381 | return 0; | ||
382 | } | ||
383 | } | ||
384 | |||
385 | old_video_mode=-1; | ||
386 | old_refresh_rate=-1; | ||
387 | } | ||
388 | } | ||
389 | return 1; | ||
390 | } | ||