9a8e84f8 |
1 | /* |
0c7caf2b |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2010-2012 |
9a8e84f8 |
3 | * |
4 | * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
5 | * See the COPYING file in the top-level directory. |
6 | */ |
7 | |
b9a19b44 |
8 | #include <stdio.h> |
9a8e84f8 |
9 | #include <stdlib.h> |
090bcb85 |
10 | #include <X11/XF86keysym.h> |
9a8e84f8 |
11 | |
12 | #include "../SDL_sysvideo.h" |
13 | #include "../SDL_pixels_c.h" |
14 | #include "../../events/SDL_events_c.h" |
f9b3f440 |
15 | |
16 | #include "linux/xenv.h" |
9ab462cd |
17 | #include "osdl.h" |
9a8e84f8 |
18 | |
19 | |
9a8e84f8 |
20 | static int omap_available(void) |
21 | { |
22 | trace(); |
23 | return 1; |
24 | } |
25 | |
26 | static void omap_free(SDL_VideoDevice *device) |
27 | { |
28 | trace(); |
29 | free(device); |
30 | } |
31 | |
32 | static int omap_VideoInit(SDL_VideoDevice *this, SDL_PixelFormat *vformat) |
33 | { |
b9a19b44 |
34 | const char *tmp; |
35 | int w, h, ret; |
36 | |
9a8e84f8 |
37 | trace(); |
38 | |
39 | // default to 16bpp |
40 | vformat->BitsPerPixel = 16; |
41 | |
42 | omapsdl_input_init(); |
5f4b1fd3 |
43 | omapsdl_config(this->hidden); |
9a8e84f8 |
44 | |
b9a19b44 |
45 | tmp = getenv("SDL_OMAP_DEFAULT_MODE"); |
46 | if (tmp != NULL && sscanf(tmp, "%dx%d", &w, &h) == 2) { |
47 | this->info.current_w = w; |
48 | this->info.current_h = h; |
49 | } |
50 | else if (osdl_video_detect_screen(this->hidden) == 0) { |
5f4b1fd3 |
51 | this->info.current_w = this->hidden->phys_w; |
52 | this->info.current_h = this->hidden->phys_h; |
b9a19b44 |
53 | } |
54 | |
5d957fa5 |
55 | this->handles_any_size = 1; |
b9a19b44 |
56 | this->info.hw_available = 1; |
57 | |
9a8e84f8 |
58 | return 0; |
59 | } |
60 | |
61 | static void omap_VideoQuit(SDL_VideoDevice *this) |
62 | { |
63 | trace(); |
64 | |
f641fccb |
65 | osdl_video_finish(this->hidden); |
9a8e84f8 |
66 | this->screen->pixels = NULL; |
17e19802 |
67 | omapsdl_input_finish(); |
9a8e84f8 |
68 | } |
69 | |
70 | static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags) |
71 | { |
5d957fa5 |
72 | static SDL_Rect omap_mode_max = { |
73 | /* with handles_any_size, should accept anything up to this |
74 | * XXX: possibly set this dynamically based on free vram? */ |
75 | 0, 0, 1600, 1200 |
9a8e84f8 |
76 | }; |
b9a19b44 |
77 | /* broken API needs this stupidity */ |
9a8e84f8 |
78 | static SDL_Rect *omap_modes[] = { |
5d957fa5 |
79 | &omap_mode_max, |
9a8e84f8 |
80 | NULL |
81 | }; |
82 | |
83 | trace(); |
84 | |
85 | if (format->BitsPerPixel <= 8) |
86 | // not (yet?) supported |
87 | return NULL; |
88 | |
89 | return omap_modes; |
90 | } |
91 | |
92 | static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width, |
93 | int height, int bpp, Uint32 flags) |
94 | { |
5f4b1fd3 |
95 | struct SDL_PrivateVideoData *pdata = this->hidden; |
3576a5ac |
96 | SDL_PixelFormat *format; |
0bb19c41 |
97 | Uint32 unhandled_flags; |
0c7caf2b |
98 | int doublebuf; |
455c8c43 |
99 | void *fbmem; |
3576a5ac |
100 | |
9a8e84f8 |
101 | trace("%d, %d, %d, %08x", width, height, bpp, flags); |
102 | |
5f4b1fd3 |
103 | omapsdl_config_from_env(pdata); |
0bb19c41 |
104 | |
3576a5ac |
105 | switch (bpp) { |
106 | case 16: |
107 | format = SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0); |
108 | break; |
109 | case 24: |
110 | format = SDL_ReallocFormat(current, 24, 0xff0000, 0xff00, 0xff, 0); |
111 | break; |
112 | case 32: |
5848b0cd |
113 | format = SDL_ReallocFormat(current, 32, 0xff0000, 0xff00, 0xff, 0); |
3576a5ac |
114 | break; |
115 | default: |
0bb19c41 |
116 | err("SetVideoMode: bpp %d not supported", bpp); |
3576a5ac |
117 | return NULL; |
118 | } |
119 | if (format == NULL) |
f641fccb |
120 | return NULL; |
9a8e84f8 |
121 | |
5f4b1fd3 |
122 | if (!(flags & SDL_DOUBLEBUF) && pdata->cfg_force_doublebuf) { |
0bb19c41 |
123 | log("forcing SDL_DOUBLEBUF"); |
124 | flags |= SDL_DOUBLEBUF; |
125 | } |
126 | |
455c8c43 |
127 | if (pdata->border_l | pdata->border_r | pdata->border_t | pdata->border_b) { |
128 | if (pdata->border_l + pdata->border_r >= width |
129 | || pdata->border_t + pdata->border_b >= height) |
130 | { |
131 | err("specified border too large, ignoring"); |
132 | pdata->border_l = pdata->border_r = pdata->border_t = pdata->border_b = 0; |
133 | } |
134 | } |
135 | |
5cc6dcb7 |
136 | /* always use doublebuf, when SDL_DOUBLEBUF is not set, |
137 | * we'll have to blit manually on UpdateRects() */ |
138 | doublebuf = 1; |
139 | |
455c8c43 |
140 | fbmem = osdl_video_set_mode(pdata, |
141 | pdata->border_l, pdata->border_r, pdata->border_t, pdata->border_b, |
090bcb85 |
142 | width, height, bpp, &doublebuf, this->wm_title); |
455c8c43 |
143 | if (fbmem == NULL) { |
0c7caf2b |
144 | err("failing on mode %dx%d@%d, doublebuf %s, border %d,%d,%d,%d", |
145 | width, height, bpp, (flags & SDL_DOUBLEBUF) ? "on" : "off", |
146 | pdata->border_l, pdata->border_r, pdata->border_t, pdata->border_b); |
9a8e84f8 |
147 | return NULL; |
455c8c43 |
148 | } |
5cc6dcb7 |
149 | pdata->front_buffer = osdl_video_get_active_buffer(pdata); |
150 | if (pdata->front_buffer == NULL) { |
151 | err("osdl_video_get_active_buffer failed\n"); |
152 | return NULL; |
153 | } |
154 | |
155 | if (!doublebuf) { |
156 | if (flags & SDL_DOUBLEBUF) { |
157 | log("doublebuffering could not be set\n"); |
158 | flags &= ~SDL_DOUBLEBUF; |
159 | } |
160 | /* XXX: could just malloc a back buffer here instead */ |
161 | pdata->cfg_force_directbuf = 1; |
0c7caf2b |
162 | } |
9a8e84f8 |
163 | |
5cc6dcb7 |
164 | if (!(flags & SDL_DOUBLEBUF) && pdata->cfg_force_directbuf) |
165 | fbmem = pdata->front_buffer; |
166 | |
0bb19c41 |
167 | flags |= SDL_FULLSCREEN | SDL_HWSURFACE; |
168 | unhandled_flags = flags & ~(SDL_FULLSCREEN | SDL_HWSURFACE | SDL_DOUBLEBUF); |
169 | if (unhandled_flags != 0) { |
170 | log("dropping unhandled flags: %08x", unhandled_flags); |
171 | flags &= ~unhandled_flags; |
172 | } |
173 | |
174 | current->flags = flags; |
9a8e84f8 |
175 | current->w = width; |
176 | current->h = height; |
177 | current->pitch = SDL_CalculatePitch(current); |
455c8c43 |
178 | current->pixels = fbmem; |
9225e894 |
179 | pdata->app_uses_flip = 0; |
9a8e84f8 |
180 | |
5f4b1fd3 |
181 | if (pdata->layer_w != 0 && pdata->layer_h != 0) { |
455c8c43 |
182 | int v_width = width - (pdata->border_l + pdata->border_r); |
183 | int v_height = height - (pdata->border_t + pdata->border_b); |
184 | pdata->ts_xmul = (v_width << 16) / pdata->layer_w; |
185 | pdata->ts_ymul = (v_height << 16) / pdata->layer_h; |
5f4b1fd3 |
186 | } |
187 | |
9a8e84f8 |
188 | return current; |
189 | } |
190 | |
9a8e84f8 |
191 | static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
192 | { |
193 | trace("%p", surface); |
194 | |
195 | return 0; |
196 | } |
197 | |
198 | static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
199 | { |
200 | trace("%p", surface); |
201 | } |
202 | |
203 | static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
204 | { |
9225e894 |
205 | struct SDL_PrivateVideoData *pdata = this->hidden; |
5cc6dcb7 |
206 | static int warned; |
9225e894 |
207 | |
9a8e84f8 |
208 | trace("%p", surface); |
209 | |
5cc6dcb7 |
210 | if (surface != this->screen) { |
211 | if (!warned) { |
212 | err("flip surface %p which is not screen %p?\n", |
213 | surface, this->screen); |
214 | warned = 1; |
215 | } |
216 | return; |
217 | } |
218 | |
219 | if (surface->flags & SDL_DOUBLEBUF) |
220 | surface->pixels = osdl_video_flip(pdata); |
221 | else { |
222 | if (surface->pixels != pdata->front_buffer) |
223 | memcpy(surface->pixels, pdata->front_buffer, |
224 | surface->pitch * surface->h); |
225 | } |
226 | |
9225e894 |
227 | pdata->app_uses_flip = 1; |
9a8e84f8 |
228 | |
229 | return 0; |
230 | } |
231 | |
37299201 |
232 | /* we can't do hw surfaces (besides screen one) yet */ |
233 | static int omap_AllocHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
234 | { |
235 | trace("%p", surface); |
236 | return -1; |
237 | } |
238 | |
239 | static void omap_FreeHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
240 | { |
241 | trace("%p", surface); |
242 | } |
243 | |
9a8e84f8 |
244 | static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors) |
245 | { |
246 | trace("%d, %d, %p", firstcolor, ncolors, colors); |
247 | return 0; |
248 | } |
249 | |
250 | static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects) |
251 | { |
9225e894 |
252 | struct SDL_PrivateVideoData *pdata = this->hidden; |
5cc6dcb7 |
253 | SDL_Surface *screen = this->screen; |
830411e0 |
254 | int fullscreen_blit = 0; |
255 | int i, Bpp, x, y, w, h; |
256 | char *src, *dst; |
9225e894 |
257 | |
9a8e84f8 |
258 | trace("%d, %p", nrects, rects); |
259 | |
830411e0 |
260 | fullscreen_blit = |
261 | nrects == 1 && rects->x == 0 && rects->y == 0 |
5cc6dcb7 |
262 | && (rects->w == screen->w || rects->w == 0) |
830411e0 |
263 | && (rects->h == screen->h || rects->h == 0); |
264 | |
265 | if (screen->flags & SDL_DOUBLEBUF) { |
266 | if (fullscreen_blit && !pdata->app_uses_flip) |
5cc6dcb7 |
267 | screen->pixels = osdl_video_flip(pdata); |
5cc6dcb7 |
268 | return; |
269 | } |
270 | |
271 | src = screen->pixels; |
272 | dst = pdata->front_buffer; |
273 | if (src == dst) |
274 | return; |
275 | |
830411e0 |
276 | if (fullscreen_blit) { |
277 | memcpy(dst, src, screen->pitch * screen->h); |
278 | return; |
279 | } |
280 | |
281 | for (i = 0, Bpp = screen->format->BytesPerPixel; i < nrects; i++) { |
5cc6dcb7 |
282 | /* this supposedly has no clipping, but we'll do it anyway */ |
283 | x = rects[i].x, y = rects[i].y, w = rects[i].w, h = rects[i].h; |
284 | if (x < 0) |
285 | w += x, x = 0; |
286 | else if (x + w > screen->w) |
287 | w = screen->w - x; |
288 | if (w <= 0) |
289 | continue; |
290 | |
291 | if (y < 0) |
292 | h += y, y = 0; |
293 | else if (y + h > screen->h) |
294 | h = screen->h - y; |
295 | |
296 | for (; h > 0; y++, h--) |
830411e0 |
297 | memcpy(dst + y * screen->pitch + x * Bpp, |
298 | src + y * screen->pitch + x * Bpp, |
299 | w * Bpp); |
9a8e84f8 |
300 | } |
9a8e84f8 |
301 | } |
302 | |
303 | static void omap_InitOSKeymap(SDL_VideoDevice *this) |
304 | { |
305 | trace(); |
306 | } |
307 | |
b260fb56 |
308 | static int key_event_cb(void *cb_arg, int sdl_kc, int sdl_sc, int is_pressed) |
9a8e84f8 |
309 | { |
310 | SDL_keysym keysym = { 0, }; |
89df2746 |
311 | int shift = 0; |
312 | SDLMod mod; |
313 | int ret; |
9a8e84f8 |
314 | |
315 | keysym.sym = sdl_kc; |
b260fb56 |
316 | keysym.scancode = sdl_sc; |
89df2746 |
317 | |
318 | /* 0xff if pandora's Fn, so we exclude it too.. */ |
319 | if (is_pressed && sdl_kc < 0xff && SDL_TranslateUNICODE) { |
320 | mod = SDL_GetModState(); |
321 | if (!(mod & KMOD_CTRL) && (!!(mod & KMOD_SHIFT) ^ !!(mod & KMOD_CAPS))) |
322 | shift = 1; |
323 | |
324 | /* prefer X mapping, if that doesn't work use hardcoded one */ |
325 | ret = xenv_keycode_to_keysym(sdl_sc, shift); |
326 | if (ret >= 0) { |
327 | keysym.unicode = ret; |
328 | if ((mod & KMOD_CTRL) |
329 | && 0x60 <= keysym.unicode && keysym.unicode <= 0x7f) |
330 | { |
331 | keysym.unicode -= 0x60; |
332 | } |
333 | /* hmh.. */ |
334 | if ((keysym.unicode & 0xff00) == 0xff00) |
335 | keysym.unicode &= ~0xff00; |
336 | } |
337 | else { |
338 | keysym.unicode = sdl_kc; |
339 | if ((mod & KMOD_CTRL) && 0x60 <= sdl_kc && sdl_kc <= 0x7f) |
340 | { |
341 | keysym.unicode = sdl_kc - 0x60; |
342 | } |
343 | else if (shift && 'a' <= sdl_kc && sdl_kc <= 'z') |
344 | { |
345 | keysym.unicode = sdl_kc - 'a' + 'A'; |
346 | } |
347 | } |
348 | } |
349 | |
9a8e84f8 |
350 | SDL_PrivateKeyboard(is_pressed, &keysym); |
351 | } |
352 | |
5f4b1fd3 |
353 | /* clamp x to min..max-1 */ |
354 | #define clamp(x, min, max) \ |
355 | if (x < (min)) x = min; \ |
356 | if (x >= (max)) x = max |
357 | |
e1837b2c |
358 | static void translate_mouse(SDL_VideoDevice *this, int *x, int *y) |
17e19802 |
359 | { |
5f4b1fd3 |
360 | struct SDL_PrivateVideoData *pdata = this->hidden; |
5f4b1fd3 |
361 | |
362 | if (!pdata->cfg_no_ts_translate && pdata->layer_w != 0 && pdata->layer_h != 0) { |
e1837b2c |
363 | *x = pdata->border_l + ((*x - pdata->layer_x) * pdata->ts_xmul >> 16); |
364 | *y = pdata->border_t + ((*y - pdata->layer_y) * pdata->ts_ymul >> 16); |
365 | clamp(*x, 0, this->screen->w); |
366 | clamp(*y, 0, this->screen->h); |
5f4b1fd3 |
367 | } |
e1837b2c |
368 | } |
17e19802 |
369 | |
e1837b2c |
370 | static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure) |
371 | { |
372 | static int was_pressed; |
373 | SDL_VideoDevice *this = cb_arg; |
374 | struct SDL_PrivateVideoData *pdata = this->hidden; |
375 | |
376 | translate_mouse(this, &x, &y); |
17e19802 |
377 | |
378 | pressure = !!pressure; |
379 | if (pressure != was_pressed) { |
e1837b2c |
380 | SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, x, y); |
17e19802 |
381 | was_pressed = pressure; |
382 | } |
e1837b2c |
383 | else |
384 | SDL_PrivateMouseMotion(0, 0, x, y); |
385 | } |
386 | |
090bcb85 |
387 | static int xmouseb_event_cb(void *cb_arg, int x, int y, int button, int is_pressed) |
e1837b2c |
388 | { |
389 | SDL_VideoDevice *this = cb_arg; |
390 | struct SDL_PrivateVideoData *pdata = this->hidden; |
391 | |
392 | translate_mouse(this, &x, &y); |
393 | SDL_PrivateMouseButton(is_pressed ? SDL_PRESSED : SDL_RELEASED, button, x, y); |
394 | } |
395 | |
090bcb85 |
396 | static int xmousem_event_cb(void *cb_arg, int x, int y) |
e1837b2c |
397 | { |
398 | SDL_VideoDevice *this = cb_arg; |
399 | struct SDL_PrivateVideoData *pdata = this->hidden; |
400 | |
401 | translate_mouse(this, &x, &y); |
402 | SDL_PrivateMouseMotion(0, 0, x, y); |
17e19802 |
403 | } |
404 | |
090bcb85 |
405 | static int xkey_cb(void *cb_arg, int kc, int is_pressed) |
406 | { |
407 | SDL_VideoDevice *this = cb_arg; |
408 | struct SDL_PrivateVideoData *pdata = this->hidden; |
409 | int ret; |
410 | |
411 | if (kc == XF86XK_MenuKB && is_pressed) { |
412 | ret = osdl_video_pause(pdata, 1); |
413 | if (ret == 0) { |
414 | xenv_minimize(); |
415 | osdl_video_pause(pdata, 0); |
416 | omapsdl_input_get_events(0, NULL, NULL, NULL); |
417 | } |
418 | } |
419 | } |
420 | |
9a8e84f8 |
421 | static void omap_PumpEvents(SDL_VideoDevice *this) |
422 | { |
f9b3f440 |
423 | struct SDL_PrivateVideoData *pdata = this->hidden; |
e1837b2c |
424 | int read_tslib = 1; |
f9b3f440 |
425 | |
9a8e84f8 |
426 | trace(); |
427 | |
e1837b2c |
428 | if (pdata->xenv_up) { |
429 | if (!pdata->cfg_ts_force_tslib) { |
090bcb85 |
430 | xenv_update(xkey_cb, xmouseb_event_cb, xmousem_event_cb, this); |
e1837b2c |
431 | if (pdata->xenv_mouse) |
432 | read_tslib = 0; |
433 | } |
434 | else { |
435 | /* just flush X event queue */ |
436 | xenv_update(NULL, NULL, NULL, NULL); |
437 | } |
438 | } |
f9b3f440 |
439 | |
e1837b2c |
440 | omapsdl_input_get_events(0, key_event_cb, |
441 | read_tslib ? ts_event_cb : NULL, this); |
9a8e84f8 |
442 | } |
443 | |
444 | static SDL_VideoDevice *omap_create(int devindex) |
445 | { |
446 | SDL_VideoDevice *this; |
447 | |
448 | this = calloc(1, sizeof(*this) + sizeof(*this->hidden)); |
449 | if (this == NULL) { |
450 | SDL_OutOfMemory(); |
451 | return 0; |
452 | } |
453 | this->hidden = (void *)(this + 1); |
454 | this->VideoInit = omap_VideoInit; |
455 | this->ListModes = omap_ListModes; |
456 | this->SetVideoMode = omap_SetVideoMode; |
457 | this->LockHWSurface = omap_LockHWSurface; |
458 | this->UnlockHWSurface = omap_UnlockHWSurface; |
459 | this->FlipHWSurface = omap_FlipHWSurface; |
37299201 |
460 | this->AllocHWSurface = omap_AllocHWSurface; |
461 | this->FreeHWSurface = omap_FreeHWSurface; |
9a8e84f8 |
462 | this->SetColors = omap_SetColors; |
463 | this->UpdateRects = omap_UpdateRects; |
464 | this->VideoQuit = omap_VideoQuit; |
465 | this->InitOSKeymap = omap_InitOSKeymap; |
466 | this->PumpEvents = omap_PumpEvents; |
467 | this->free = omap_free; |
468 | |
469 | return this; |
470 | } |
471 | |
472 | VideoBootStrap omapdss_bootstrap = { |
473 | "omapdss", "OMAP DSS2 Framebuffer Driver", |
474 | omap_available, omap_create |
475 | }; |
476 | |