9a8e84f8 |
1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2010 |
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> |
10 | |
11 | #include "../SDL_sysvideo.h" |
12 | #include "../SDL_pixels_c.h" |
13 | #include "../../events/SDL_events_c.h" |
f9b3f440 |
14 | |
15 | #include "linux/xenv.h" |
9a8e84f8 |
16 | #include "omapsdl.h" |
17 | |
18 | |
9a8e84f8 |
19 | static int omap_available(void) |
20 | { |
21 | trace(); |
22 | return 1; |
23 | } |
24 | |
25 | static void omap_free(SDL_VideoDevice *device) |
26 | { |
27 | trace(); |
28 | free(device); |
29 | } |
30 | |
31 | static int omap_VideoInit(SDL_VideoDevice *this, SDL_PixelFormat *vformat) |
32 | { |
b9a19b44 |
33 | const char *tmp; |
34 | int w, h, ret; |
35 | |
9a8e84f8 |
36 | trace(); |
37 | |
38 | // default to 16bpp |
39 | vformat->BitsPerPixel = 16; |
40 | |
41 | omapsdl_input_init(); |
5f4b1fd3 |
42 | omapsdl_config(this->hidden); |
9a8e84f8 |
43 | |
b9a19b44 |
44 | tmp = getenv("SDL_OMAP_DEFAULT_MODE"); |
45 | if (tmp != NULL && sscanf(tmp, "%dx%d", &w, &h) == 2) { |
46 | this->info.current_w = w; |
47 | this->info.current_h = h; |
48 | } |
49 | else if (osdl_video_detect_screen(this->hidden) == 0) { |
5f4b1fd3 |
50 | this->info.current_w = this->hidden->phys_w; |
51 | this->info.current_h = this->hidden->phys_h; |
b9a19b44 |
52 | } |
53 | |
5d957fa5 |
54 | this->handles_any_size = 1; |
b9a19b44 |
55 | this->info.hw_available = 1; |
56 | |
9a8e84f8 |
57 | return 0; |
58 | } |
59 | |
60 | static void omap_VideoQuit(SDL_VideoDevice *this) |
61 | { |
62 | trace(); |
63 | |
f641fccb |
64 | osdl_video_finish(this->hidden); |
9a8e84f8 |
65 | this->screen->pixels = NULL; |
17e19802 |
66 | omapsdl_input_finish(); |
9a8e84f8 |
67 | } |
68 | |
69 | static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags) |
70 | { |
5d957fa5 |
71 | static SDL_Rect omap_mode_max = { |
72 | /* with handles_any_size, should accept anything up to this |
73 | * XXX: possibly set this dynamically based on free vram? */ |
74 | 0, 0, 1600, 1200 |
9a8e84f8 |
75 | }; |
b9a19b44 |
76 | /* broken API needs this stupidity */ |
9a8e84f8 |
77 | static SDL_Rect *omap_modes[] = { |
5d957fa5 |
78 | &omap_mode_max, |
9a8e84f8 |
79 | NULL |
80 | }; |
81 | |
82 | trace(); |
83 | |
84 | if (format->BitsPerPixel <= 8) |
85 | // not (yet?) supported |
86 | return NULL; |
87 | |
88 | return omap_modes; |
89 | } |
90 | |
91 | static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width, |
92 | int height, int bpp, Uint32 flags) |
93 | { |
5f4b1fd3 |
94 | struct SDL_PrivateVideoData *pdata = this->hidden; |
3576a5ac |
95 | SDL_PixelFormat *format; |
0bb19c41 |
96 | Uint32 unhandled_flags; |
455c8c43 |
97 | void *fbmem; |
3576a5ac |
98 | |
9a8e84f8 |
99 | trace("%d, %d, %d, %08x", width, height, bpp, flags); |
100 | |
5f4b1fd3 |
101 | omapsdl_config_from_env(pdata); |
0bb19c41 |
102 | |
3576a5ac |
103 | switch (bpp) { |
104 | case 16: |
105 | format = SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0); |
106 | break; |
107 | case 24: |
108 | format = SDL_ReallocFormat(current, 24, 0xff0000, 0xff00, 0xff, 0); |
109 | break; |
110 | case 32: |
5848b0cd |
111 | format = SDL_ReallocFormat(current, 32, 0xff0000, 0xff00, 0xff, 0); |
3576a5ac |
112 | break; |
113 | default: |
0bb19c41 |
114 | err("SetVideoMode: bpp %d not supported", bpp); |
3576a5ac |
115 | return NULL; |
116 | } |
117 | if (format == NULL) |
f641fccb |
118 | return NULL; |
9a8e84f8 |
119 | |
5f4b1fd3 |
120 | if (!(flags & SDL_DOUBLEBUF) && pdata->cfg_force_doublebuf) { |
0bb19c41 |
121 | log("forcing SDL_DOUBLEBUF"); |
122 | flags |= SDL_DOUBLEBUF; |
123 | } |
124 | |
455c8c43 |
125 | if (pdata->border_l | pdata->border_r | pdata->border_t | pdata->border_b) { |
126 | if (pdata->border_l + pdata->border_r >= width |
127 | || pdata->border_t + pdata->border_b >= height) |
128 | { |
129 | err("specified border too large, ignoring"); |
130 | pdata->border_l = pdata->border_r = pdata->border_t = pdata->border_b = 0; |
131 | } |
132 | } |
133 | |
134 | fbmem = osdl_video_set_mode(pdata, |
135 | pdata->border_l, pdata->border_r, pdata->border_t, pdata->border_b, |
136 | width, height, bpp, (flags & SDL_DOUBLEBUF) ? 1 : 0); |
137 | if (fbmem == NULL) { |
138 | log("failing on mode %dx%d@%d, doublebuf %s", |
139 | width, height, bpp, (flags & SDL_DOUBLEBUF) ? "on" : "off"); |
9a8e84f8 |
140 | return NULL; |
455c8c43 |
141 | } |
9a8e84f8 |
142 | |
0bb19c41 |
143 | flags |= SDL_FULLSCREEN | SDL_HWSURFACE; |
144 | unhandled_flags = flags & ~(SDL_FULLSCREEN | SDL_HWSURFACE | SDL_DOUBLEBUF); |
145 | if (unhandled_flags != 0) { |
146 | log("dropping unhandled flags: %08x", unhandled_flags); |
147 | flags &= ~unhandled_flags; |
148 | } |
149 | |
150 | current->flags = flags; |
9a8e84f8 |
151 | current->w = width; |
152 | current->h = height; |
153 | current->pitch = SDL_CalculatePitch(current); |
455c8c43 |
154 | current->pixels = fbmem; |
9225e894 |
155 | pdata->app_uses_flip = 0; |
9a8e84f8 |
156 | |
5f4b1fd3 |
157 | if (pdata->layer_w != 0 && pdata->layer_h != 0) { |
455c8c43 |
158 | int v_width = width - (pdata->border_l + pdata->border_r); |
159 | int v_height = height - (pdata->border_t + pdata->border_b); |
160 | pdata->ts_xmul = (v_width << 16) / pdata->layer_w; |
161 | pdata->ts_ymul = (v_height << 16) / pdata->layer_h; |
5f4b1fd3 |
162 | } |
163 | |
9a8e84f8 |
164 | return current; |
165 | } |
166 | |
9a8e84f8 |
167 | static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
168 | { |
169 | trace("%p", surface); |
170 | |
171 | return 0; |
172 | } |
173 | |
174 | static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
175 | { |
176 | trace("%p", surface); |
177 | } |
178 | |
179 | static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
180 | { |
9225e894 |
181 | struct SDL_PrivateVideoData *pdata = this->hidden; |
182 | |
9a8e84f8 |
183 | trace("%p", surface); |
184 | |
9225e894 |
185 | surface->pixels = osdl_video_flip(pdata); |
186 | pdata->app_uses_flip = 1; |
9a8e84f8 |
187 | |
188 | return 0; |
189 | } |
190 | |
37299201 |
191 | /* we can't do hw surfaces (besides screen one) yet */ |
192 | static int omap_AllocHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
193 | { |
194 | trace("%p", surface); |
195 | return -1; |
196 | } |
197 | |
198 | static void omap_FreeHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
199 | { |
200 | trace("%p", surface); |
201 | } |
202 | |
9a8e84f8 |
203 | static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors) |
204 | { |
205 | trace("%d, %d, %p", firstcolor, ncolors, colors); |
206 | return 0; |
207 | } |
208 | |
209 | static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects) |
210 | { |
9225e894 |
211 | struct SDL_PrivateVideoData *pdata = this->hidden; |
212 | |
9a8e84f8 |
213 | trace("%d, %p", nrects, rects); |
214 | |
9225e894 |
215 | /* for doublebuf forcing on apps */ |
216 | if (nrects == 1 && rects->x == 0 && rects->y == 0 |
217 | && !pdata->app_uses_flip && (this->screen->flags & SDL_DOUBLEBUF) |
218 | && rects->w == this->screen->w && rects->h == this->screen->h) |
0bb19c41 |
219 | { |
9225e894 |
220 | this->screen->pixels = osdl_video_flip(pdata); |
9a8e84f8 |
221 | } |
9a8e84f8 |
222 | } |
223 | |
224 | static void omap_InitOSKeymap(SDL_VideoDevice *this) |
225 | { |
226 | trace(); |
227 | } |
228 | |
17e19802 |
229 | static int key_event_cb(void *cb_arg, int sdl_kc, int is_pressed) |
9a8e84f8 |
230 | { |
231 | SDL_keysym keysym = { 0, }; |
232 | |
233 | keysym.sym = sdl_kc; |
234 | SDL_PrivateKeyboard(is_pressed, &keysym); |
235 | } |
236 | |
5f4b1fd3 |
237 | /* clamp x to min..max-1 */ |
238 | #define clamp(x, min, max) \ |
239 | if (x < (min)) x = min; \ |
240 | if (x >= (max)) x = max |
241 | |
17e19802 |
242 | static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure) |
243 | { |
244 | static int was_pressed; |
5f4b1fd3 |
245 | SDL_VideoDevice *this = cb_arg; |
246 | struct SDL_PrivateVideoData *pdata = this->hidden; |
247 | int xoffs; |
248 | |
249 | if (!pdata->cfg_no_ts_translate && pdata->layer_w != 0 && pdata->layer_h != 0) { |
455c8c43 |
250 | x = pdata->border_l + ((x - pdata->layer_x) * pdata->ts_xmul >> 16); |
251 | y = pdata->border_t + ((y - pdata->layer_y) * pdata->ts_ymul >> 16); |
5f4b1fd3 |
252 | clamp(x, 0, this->screen->w); |
253 | clamp(y, 0, this->screen->h); |
254 | } |
17e19802 |
255 | |
256 | SDL_PrivateMouseMotion(0, 0, x, y); |
257 | |
258 | pressure = !!pressure; |
259 | if (pressure != was_pressed) { |
260 | SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, 0, 0); |
261 | was_pressed = pressure; |
262 | } |
263 | } |
264 | |
9a8e84f8 |
265 | static void omap_PumpEvents(SDL_VideoDevice *this) |
266 | { |
f9b3f440 |
267 | struct SDL_PrivateVideoData *pdata = this->hidden; |
268 | int dummy; |
269 | |
9a8e84f8 |
270 | trace(); |
271 | |
5f4b1fd3 |
272 | omapsdl_input_get_events(0, key_event_cb, ts_event_cb, this); |
f9b3f440 |
273 | |
274 | // XXX: we might want to process some X events too |
275 | if (pdata->xenv_up) |
276 | xenv_update(&dummy); |
9a8e84f8 |
277 | } |
278 | |
279 | static SDL_VideoDevice *omap_create(int devindex) |
280 | { |
281 | SDL_VideoDevice *this; |
282 | |
283 | this = calloc(1, sizeof(*this) + sizeof(*this->hidden)); |
284 | if (this == NULL) { |
285 | SDL_OutOfMemory(); |
286 | return 0; |
287 | } |
288 | this->hidden = (void *)(this + 1); |
289 | this->VideoInit = omap_VideoInit; |
290 | this->ListModes = omap_ListModes; |
291 | this->SetVideoMode = omap_SetVideoMode; |
292 | this->LockHWSurface = omap_LockHWSurface; |
293 | this->UnlockHWSurface = omap_UnlockHWSurface; |
294 | this->FlipHWSurface = omap_FlipHWSurface; |
37299201 |
295 | this->AllocHWSurface = omap_AllocHWSurface; |
296 | this->FreeHWSurface = omap_FreeHWSurface; |
9a8e84f8 |
297 | this->SetColors = omap_SetColors; |
298 | this->UpdateRects = omap_UpdateRects; |
299 | this->VideoQuit = omap_VideoQuit; |
300 | this->InitOSKeymap = omap_InitOSKeymap; |
301 | this->PumpEvents = omap_PumpEvents; |
302 | this->free = omap_free; |
303 | |
304 | return this; |
305 | } |
306 | |
307 | VideoBootStrap omapdss_bootstrap = { |
308 | "omapdss", "OMAP DSS2 Framebuffer Driver", |
309 | omap_available, omap_create |
310 | }; |
311 | |