Commit | Line | Data |
---|---|---|
e81b987f | 1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2012 | |
3 | * | |
4 | * This work is licensed under the terms of any of these licenses | |
5 | * (at your option): | |
6 | * - GNU GPL, version 2 or later. | |
7 | * - GNU LGPL, version 2.1 or later. | |
8 | * - MAME license. | |
9 | * See the COPYING file in the top-level directory. | |
10 | */ | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <SDL.h> | |
14 | #include <SDL_syswm.h> | |
15 | ||
16 | #include "menu.h" | |
17 | #include "plat.h" | |
18 | #include "gl.h" | |
19 | #include "plat_sdl.h" | |
20 | ||
21 | // XXX: maybe determine this instead.. | |
22 | #define WM_DECORATION_H 32 | |
23 | ||
24 | SDL_Surface *plat_sdl_screen; | |
25 | SDL_Overlay *plat_sdl_overlay; | |
26 | int plat_sdl_gl_active; | |
e288d776 | 27 | void (*plat_sdl_resize_cb)(int w, int h); |
1f84ba9f | 28 | void (*plat_sdl_quit_cb)(void); |
e81b987f | 29 | |
63f173a2 | 30 | static char vid_drv_name[32]; |
533726df | 31 | static int window_w, window_h, window_b; |
e81b987f | 32 | static int fs_w, fs_h; |
33 | static int old_fullscreen; | |
533726df | 34 | static int screen_flags; |
9ba08314 | 35 | static int vout_mode_overlay = -1, vout_mode_overlay2x = -1, vout_mode_gl = -1; |
e81b987f | 36 | static void *display, *window; |
0d645bc5 | 37 | static int gl_quirks; |
e81b987f | 38 | |
e54719ef | 39 | /* w, h is layer resolution */ |
40 | int plat_sdl_change_video_mode(int w, int h, int force) | |
e81b987f | 41 | { |
42 | static int prev_w, prev_h; | |
43 | ||
44 | if (w == 0) | |
45 | w = prev_w; | |
46 | else | |
47 | prev_w = w; | |
48 | if (h == 0) | |
49 | h = prev_h; | |
50 | else | |
51 | prev_h = h; | |
52 | ||
da0cc556 | 53 | // invalid method might come from config.. |
54 | if (plat_target.vout_method != 0 | |
55 | && plat_target.vout_method != vout_mode_overlay | |
9ba08314 | 56 | && plat_target.vout_method != vout_mode_overlay2x |
da0cc556 | 57 | && plat_target.vout_method != vout_mode_gl) |
58 | { | |
59 | fprintf(stderr, "invalid vout_method: %d\n", plat_target.vout_method); | |
60 | plat_target.vout_method = 0; | |
61 | } | |
62 | ||
e54719ef | 63 | // skip GL recreation if window doesn't change - avoids flicker |
64 | if (plat_target.vout_method == vout_mode_gl && plat_sdl_gl_active | |
65 | && plat_target.vout_fullscreen == old_fullscreen && !force) | |
66 | { | |
67 | return 0; | |
68 | } | |
69 | ||
e81b987f | 70 | if (plat_sdl_overlay != NULL) { |
71 | SDL_FreeYUVOverlay(plat_sdl_overlay); | |
72 | plat_sdl_overlay = NULL; | |
73 | } | |
74 | if (plat_sdl_gl_active) { | |
75 | gl_finish(); | |
76 | plat_sdl_gl_active = 0; | |
77 | } | |
78 | ||
79 | if (plat_target.vout_method != 0) { | |
80 | Uint32 flags = SDL_RESIZABLE | SDL_SWSURFACE; | |
81 | int win_w = window_w; | |
82 | int win_h = window_h; | |
83 | ||
84 | if (plat_target.vout_fullscreen) { | |
85 | flags |= SDL_FULLSCREEN; | |
86 | win_w = fs_w; | |
87 | win_h = fs_h; | |
88 | } | |
89 | ||
90 | // XXX: workaround some occasional mysterious deadlock in SDL_SetVideoMode | |
da0cc556 | 91 | // (seen on r-pi) |
e81b987f | 92 | SDL_PumpEvents(); |
93 | ||
533726df | 94 | if (!plat_sdl_screen || screen_flags != flags || |
95 | plat_sdl_screen->w != win_w || plat_sdl_screen->h != win_h) | |
96 | plat_sdl_screen = SDL_SetVideoMode(win_w, win_h, 0, flags); | |
97 | screen_flags = flags; | |
e81b987f | 98 | if (plat_sdl_screen == NULL) { |
99 | fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError()); | |
100 | plat_target.vout_method = 0; | |
101 | } | |
102 | } | |
103 | ||
9ba08314 | 104 | if (plat_target.vout_method == vout_mode_overlay |
105 | || plat_target.vout_method == vout_mode_overlay2x) { | |
533726df | 106 | int W = plat_target.vout_method == vout_mode_overlay2x && w < 640 ? 2*w : w; |
9ba08314 | 107 | plat_sdl_overlay = SDL_CreateYUVOverlay(W, h, SDL_UYVY_OVERLAY, plat_sdl_screen); |
e81b987f | 108 | if (plat_sdl_overlay != NULL) { |
109 | if ((long)plat_sdl_overlay->pixels[0] & 3) | |
110 | fprintf(stderr, "warning: overlay pointer is unaligned\n"); | |
111 | ||
112 | plat_sdl_overlay_clear(); | |
113 | } | |
114 | else { | |
115 | fprintf(stderr, "warning: could not create overlay.\n"); | |
116 | plat_target.vout_method = 0; | |
117 | } | |
118 | } | |
119 | else if (plat_target.vout_method == vout_mode_gl) { | |
0d645bc5 | 120 | plat_sdl_gl_active = (gl_init(display, window, &gl_quirks) == 0); |
e81b987f | 121 | if (!plat_sdl_gl_active) { |
122 | fprintf(stderr, "warning: could not init GL.\n"); | |
123 | plat_target.vout_method = 0; | |
124 | } | |
125 | } | |
126 | ||
127 | if (plat_target.vout_method == 0) { | |
74cb846a | 128 | Uint32 flags; |
e3ea3015 | 129 | int win_w = w; |
130 | int win_h = h; | |
e81b987f | 131 | |
2de059ca | 132 | #if defined SDL_SURFACE_SW |
74cb846a | 133 | flags = SDL_SWSURFACE; |
2de059ca | 134 | #elif defined(SDL_TRIPLEBUF) && defined(SDL_BUFFER_3X) |
74cb846a | 135 | flags = SDL_HWSURFACE | SDL_TRIPLEBUF; |
34e55f23 | 136 | #else |
74cb846a | 137 | flags = SDL_HWSURFACE | SDL_DOUBLEBUF; |
34e55f23 | 138 | #endif |
74cb846a | 139 | if (plat_target.vout_fullscreen && fs_w && fs_h) { |
140 | flags |= SDL_FULLSCREEN; | |
141 | win_w = fs_w; | |
142 | win_h = fs_h; | |
143 | } | |
144 | ||
145 | SDL_PumpEvents(); | |
146 | ||
533726df | 147 | if (!plat_sdl_screen || screen_flags != flags || |
148 | plat_sdl_screen->w != win_w || plat_sdl_screen->h != win_h) | |
149 | plat_sdl_screen = SDL_SetVideoMode(win_w, win_h, 16, flags); | |
150 | screen_flags = flags; | |
e81b987f | 151 | if (plat_sdl_screen == NULL) { |
152 | fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError()); | |
153 | return -1; | |
154 | } | |
155 | } | |
156 | ||
157 | old_fullscreen = plat_target.vout_fullscreen; | |
e288d776 | 158 | if (plat_sdl_resize_cb != NULL) |
159 | plat_sdl_resize_cb(plat_sdl_screen->w, plat_sdl_screen->h); | |
160 | ||
e81b987f | 161 | return 0; |
162 | } | |
163 | ||
164 | void plat_sdl_event_handler(void *event_) | |
165 | { | |
e54719ef | 166 | static int was_active; |
e81b987f | 167 | SDL_Event *event = event_; |
168 | ||
1f84ba9f | 169 | switch (event->type) { |
170 | case SDL_VIDEORESIZE: | |
e81b987f | 171 | //printf("resize %dx%d\n", event->resize.w, event->resize.h); |
172 | if (plat_target.vout_method != 0 | |
173 | && !plat_target.vout_fullscreen && !old_fullscreen) | |
174 | { | |
533726df | 175 | window_w = event->resize.w & ~3; |
176 | window_h = event->resize.h & ~3; | |
e54719ef | 177 | plat_sdl_change_video_mode(0, 0, 1); |
178 | } | |
1f84ba9f | 179 | break; |
180 | case SDL_ACTIVEEVENT: | |
e54719ef | 181 | if (event->active.gain && !was_active) { |
182 | if (plat_sdl_overlay != NULL) { | |
183 | SDL_Rect dstrect = { 0, 0, plat_sdl_screen->w, plat_sdl_screen->h }; | |
184 | SDL_DisplayYUVOverlay(plat_sdl_overlay, &dstrect); | |
185 | } | |
186 | else if (plat_sdl_gl_active) { | |
0d645bc5 | 187 | if (gl_quirks & GL_QUIRK_ACTIVATE_RECREATE) { |
188 | gl_finish(); | |
189 | plat_sdl_gl_active = (gl_init(display, window, &gl_quirks) == 0); | |
190 | } | |
e54719ef | 191 | gl_flip(NULL, 0, 0); |
192 | } | |
193 | // else SDL takes care of it | |
e81b987f | 194 | } |
e54719ef | 195 | was_active = event->active.gain; |
1f84ba9f | 196 | break; |
197 | case SDL_QUIT: | |
198 | if (plat_sdl_quit_cb != NULL) | |
199 | plat_sdl_quit_cb(); | |
200 | break; | |
e81b987f | 201 | } |
202 | } | |
203 | ||
204 | int plat_sdl_init(void) | |
205 | { | |
9ba08314 | 206 | static const char *vout_list[] = { NULL, NULL, NULL, NULL, NULL }; |
e81b987f | 207 | const SDL_VideoInfo *info; |
208 | SDL_SysWMinfo wminfo; | |
c668921a | 209 | const char *env; |
e81b987f | 210 | int overlay_works = 0; |
211 | int gl_works = 0; | |
212 | int i, ret, h; | |
c668921a | 213 | int try_gl; |
e81b987f | 214 | |
215 | ret = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE); | |
216 | if (ret != 0) { | |
217 | fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError()); | |
218 | return -1; | |
219 | } | |
220 | ||
221 | info = SDL_GetVideoInfo(); | |
222 | if (info != NULL) { | |
223 | fs_w = info->current_w; | |
224 | fs_h = info->current_h; | |
533726df | 225 | if (info->wm_available) |
226 | window_b = WM_DECORATION_H; | |
63f173a2 | 227 | printf("plat_sdl: using %dx%d as fullscreen resolution\n", fs_w, fs_h); |
e81b987f | 228 | } |
229 | ||
230 | g_menuscreen_w = 640; | |
231 | if (fs_w != 0 && g_menuscreen_w > fs_w) | |
232 | g_menuscreen_w = fs_w; | |
233 | g_menuscreen_h = 480; | |
234 | if (fs_h != 0) { | |
235 | h = fs_h; | |
533726df | 236 | if (window_b && h > window_b) |
237 | h -= window_b; | |
e81b987f | 238 | if (g_menuscreen_h > h) |
239 | g_menuscreen_h = h; | |
240 | } | |
241 | ||
533726df | 242 | plat_sdl_screen = SDL_SetVideoMode(g_menuscreen_w, g_menuscreen_h, 16, SDL_HWSURFACE); |
243 | if (plat_sdl_screen == NULL) { | |
e81b987f | 244 | plat_sdl_screen = SDL_SetVideoMode(0, 0, 16, SDL_SWSURFACE); |
245 | if (plat_sdl_screen == NULL) { | |
246 | fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError()); | |
247 | goto fail; | |
248 | } | |
249 | ||
250 | if (plat_sdl_screen->w < 320 || plat_sdl_screen->h < 240) { | |
251 | fprintf(stderr, "resolution %dx%d is too small, sorry.\n", | |
252 | plat_sdl_screen->w, plat_sdl_screen->h); | |
253 | goto fail; | |
254 | } | |
255 | } | |
256 | g_menuscreen_w = window_w = plat_sdl_screen->w; | |
257 | g_menuscreen_h = window_h = plat_sdl_screen->h; | |
39639dd1 | 258 | g_menuscreen_pp = g_menuscreen_w; |
e81b987f | 259 | |
da0cc556 | 260 | // overlay/gl require native bpp in some cases.. |
261 | plat_sdl_screen = SDL_SetVideoMode(g_menuscreen_w, g_menuscreen_h, | |
17def48f | 262 | 0, plat_sdl_screen->flags); |
da0cc556 | 263 | if (plat_sdl_screen == NULL) { |
264 | fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError()); | |
265 | goto fail; | |
266 | } | |
267 | ||
e81b987f | 268 | plat_sdl_overlay = SDL_CreateYUVOverlay(plat_sdl_screen->w, plat_sdl_screen->h, |
269 | SDL_UYVY_OVERLAY, plat_sdl_screen); | |
270 | if (plat_sdl_overlay != NULL) { | |
63f173a2 | 271 | printf("plat_sdl: overlay: fmt %x, planes: %d, pitch: %d, hw: %d\n", |
e81b987f | 272 | plat_sdl_overlay->format, plat_sdl_overlay->planes, *plat_sdl_overlay->pitches, |
273 | plat_sdl_overlay->hw_overlay); | |
274 | ||
275 | if (plat_sdl_overlay->hw_overlay) | |
276 | overlay_works = 1; | |
277 | else | |
278 | fprintf(stderr, "warning: video overlay is not hardware accelerated, " | |
279 | "not going to use it.\n"); | |
280 | SDL_FreeYUVOverlay(plat_sdl_overlay); | |
281 | plat_sdl_overlay = NULL; | |
282 | } | |
283 | else | |
284 | fprintf(stderr, "overlay is not available.\n"); | |
285 | ||
1f84ba9f | 286 | // get x11 display/window for GL |
287 | SDL_VideoDriverName(vid_drv_name, sizeof(vid_drv_name)); | |
215e7ed2 | 288 | #ifdef SDL_VIDEO_DRIVER_X11 |
1f84ba9f | 289 | if (strcmp(vid_drv_name, "x11") == 0) { |
290 | SDL_VERSION(&wminfo.version); | |
291 | ret = SDL_GetWMInfo(&wminfo); | |
292 | if (ret > 0) { | |
293 | display = wminfo.info.x11.display; | |
294 | window = (void *)wminfo.info.x11.window; | |
295 | } | |
296 | } | |
b57ed12e GI |
297 | #else |
298 | (void)wminfo; | |
215e7ed2 | 299 | #endif |
e81b987f | 300 | |
c668921a | 301 | ret = -1; |
302 | try_gl = 1; | |
303 | env = getenv("DISPLAY"); | |
304 | if (env && env[0] != ':') { | |
305 | fprintf(stderr, "looks like a remote DISPLAY, " | |
306 | "not trying GL (use PICOFE_GL=1 to override)\n"); | |
307 | // because some drivers just kill the program with no way to recover | |
308 | try_gl = 0; | |
309 | } | |
310 | env = getenv("PICOFE_GL"); | |
311 | if (env) | |
312 | try_gl = atoi(env); | |
313 | if (try_gl) | |
314 | ret = gl_init(display, window, &gl_quirks); | |
e81b987f | 315 | if (ret == 0) { |
c668921a | 316 | gl_announce(); |
e81b987f | 317 | gl_works = 1; |
318 | gl_finish(); | |
319 | } | |
320 | ||
321 | i = 0; | |
322 | vout_list[i++] = "SDL Window"; | |
323 | if (overlay_works) { | |
324 | plat_target.vout_method = vout_mode_overlay = i; | |
325 | vout_list[i++] = "Video Overlay"; | |
9ba08314 | 326 | #ifdef SDL_OVERLAY_2X |
327 | vout_mode_overlay2x = i; | |
328 | vout_list[i++] = "Video Overlay 2x"; | |
329 | #endif | |
e81b987f | 330 | } |
331 | if (gl_works) { | |
332 | plat_target.vout_method = vout_mode_gl = i; | |
333 | vout_list[i++] = "OpenGL"; | |
334 | } | |
335 | plat_target.vout_methods = vout_list; | |
336 | ||
39b2c61e | 337 | plat_sdl_change_video_mode(g_menuscreen_w, g_menuscreen_h, 1); |
e81b987f | 338 | return 0; |
339 | ||
340 | fail: | |
341 | SDL_Quit(); | |
342 | return -1; | |
343 | } | |
344 | ||
345 | void plat_sdl_finish(void) | |
346 | { | |
347 | if (plat_sdl_overlay != NULL) { | |
348 | SDL_FreeYUVOverlay(plat_sdl_overlay); | |
349 | plat_sdl_overlay = NULL; | |
350 | } | |
351 | if (plat_sdl_gl_active) { | |
352 | gl_finish(); | |
353 | plat_sdl_gl_active = 0; | |
354 | } | |
63f173a2 | 355 | // restore back to initial resolution |
356 | // resolves black screen issue on R-Pi | |
357 | if (strcmp(vid_drv_name, "x11") != 0) | |
358 | SDL_SetVideoMode(fs_w, fs_h, 16, SDL_SWSURFACE); | |
e81b987f | 359 | SDL_Quit(); |
360 | } | |
361 | ||
362 | void plat_sdl_overlay_clear(void) | |
363 | { | |
364 | int pixels = plat_sdl_overlay->w * plat_sdl_overlay->h; | |
365 | int *dst = (int *)plat_sdl_overlay->pixels[0]; | |
366 | int v = 0x10801080; | |
367 | ||
d07718a0 | 368 | for (; pixels > 7; dst += 4, pixels -= 2 * 4) |
e81b987f | 369 | dst[0] = dst[1] = dst[2] = dst[3] = v; |
370 | ||
d07718a0 | 371 | for (; pixels > 1; dst++, pixels -= 2) |
e81b987f | 372 | *dst = v; |
373 | } | |
374 | ||
375 | // vim:shiftwidth=2:expandtab |