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1 | /* faking/emulating gp2x.c by using gtk */ |
2 | #include <stdio.h> |
3 | #include <stdlib.h> |
4 | #include <string.h> |
5 | #include <pthread.h> |
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6 | #include <semaphore.h> |
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7 | #include <gtk/gtk.h> |
8 | |
9 | #include <unistd.h> |
10 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
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12 | #include <fcntl.h> |
13 | #include <errno.h> |
14 | |
15 | #include "../gp2x/emu.h" |
16 | #include "../gp2x/gp2x.h" |
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17 | #include "../gp2x/version.h" |
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18 | #include "sndout_oss.h" |
19 | #include "usbjoy.h" |
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20 | |
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21 | #include "log_io.h" |
22 | |
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23 | void *gp2x_screen; |
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24 | unsigned long current_keys = 0; |
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25 | static int current_bpp = 8; |
26 | static int current_pal[256]; |
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27 | static const char *verstring = "PicoDrive " VERSION; |
28 | |
29 | // dummies |
30 | char *ext_menu = 0, *ext_state = 0; |
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31 | int mix_32_to_16l_level; |
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32 | |
33 | /* gtk */ |
34 | struct gtk_global_struct |
35 | { |
36 | GtkWidget *window; |
37 | GtkWidget *pixmap1; |
38 | } gtk_items; |
39 | |
40 | |
41 | static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data) |
42 | { |
43 | return FALSE; |
44 | } |
45 | |
46 | static void destroy (GtkWidget *widget, gpointer data) |
47 | { |
48 | gtk_main_quit (); |
49 | } |
50 | |
51 | static gint key_press_event (GtkWidget *widget, GdkEventKey *event) |
52 | { |
53 | switch (event->hardware_keycode) |
54 | { |
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55 | case 111: |
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56 | case 0x62: current_keys |= GP2X_UP; break; |
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57 | case 116: |
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58 | case 0x68: current_keys |= GP2X_DOWN; break; |
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59 | case 113: |
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60 | case 0x64: current_keys |= GP2X_LEFT; break; |
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61 | case 114: |
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62 | case 0x66: current_keys |= GP2X_RIGHT; break; |
63 | case 0x24: current_keys |= GP2X_START; break; // enter |
64 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
65 | case 0x34: current_keys |= GP2X_A; break; // z |
66 | case 0x35: current_keys |= GP2X_X; break; // x |
67 | case 0x36: current_keys |= GP2X_B; break; // c |
68 | case 0x37: current_keys |= GP2X_Y; break; // v |
69 | case 0x27: current_keys |= GP2X_L; break; // s |
70 | case 0x28: current_keys |= GP2X_R; break; // d |
71 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
72 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
73 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
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74 | case 0x2d: log_io_clear(); break; // k |
75 | case 0x2e: log_io_dump(); break; // l |
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76 | case 0x17: { // tab |
77 | extern int PicoReset(void); |
78 | PicoReset(); |
79 | break; |
80 | } |
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81 | } |
82 | |
83 | return 0; |
84 | } |
85 | |
86 | static gint key_release_event (GtkWidget *widget, GdkEventKey *event) |
87 | { |
88 | switch (event->hardware_keycode) |
89 | { |
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90 | case 111: |
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91 | case 0x62: current_keys &= ~GP2X_UP; break; |
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92 | case 116: |
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93 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
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94 | case 113: |
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95 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
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96 | case 114: |
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97 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
98 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
99 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
100 | case 0x34: current_keys &= ~GP2X_A; break; // z |
101 | case 0x35: current_keys &= ~GP2X_X; break; // x |
102 | case 0x36: current_keys &= ~GP2X_B; break; // c |
103 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
104 | case 0x27: current_keys &= ~GP2X_L; break; // s |
105 | case 0x28: current_keys &= ~GP2X_R; break; // d |
106 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
107 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
108 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
109 | } |
110 | |
111 | return 0; |
112 | } |
113 | |
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114 | /* |
115 | void gdk_drawable_get_size (GdkDrawable *drawable, |
116 | gint *width, |
117 | gint *height); |
118 | **/ |
119 | |
120 | static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data) |
121 | { |
122 | gint w, h; |
123 | gdk_drawable_get_size(gtk_items.window, &w, &h); |
124 | printf("%dx%d %dx%d\n", allocation->width, allocation->height, w, h); |
125 | } |
126 | |
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127 | static void *gtk_threadf(void *targ) |
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128 | { |
129 | int argc = 0; |
130 | char *argv[] = { "" }; |
131 | GtkWidget *box; |
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132 | sem_t *sem = targ; |
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133 | |
134 | g_thread_init (NULL); |
135 | gdk_threads_init (); |
136 | gdk_set_locale (); |
137 | gtk_init (&argc, (char ***) &argv); |
138 | |
139 | /* create new window */ |
140 | gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
141 | g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", |
142 | G_CALLBACK (delete_event), NULL); |
143 | |
144 | g_signal_connect (G_OBJECT (gtk_items.window), "destroy", |
145 | G_CALLBACK (destroy), NULL); |
146 | |
147 | g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", |
148 | G_CALLBACK (key_press_event), NULL); |
149 | |
150 | g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", |
151 | G_CALLBACK (key_release_event), NULL); |
152 | |
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153 | g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate", |
154 | G_CALLBACK (size_allocate_event), NULL); |
155 | |
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156 | gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2); |
157 | gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); |
158 | |
159 | box = gtk_hbox_new(FALSE, 0); |
160 | gtk_widget_show(box); |
161 | gtk_container_add (GTK_CONTAINER (gtk_items.window), box); |
162 | |
163 | /* live pixmap */ |
164 | gtk_items.pixmap1 = gtk_image_new (); |
165 | gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); |
166 | gtk_widget_show (gtk_items.pixmap1); |
167 | gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); |
168 | |
169 | gtk_widget_show (gtk_items.window); |
170 | |
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171 | sem_post(sem); |
172 | |
173 | gtk_main(); |
174 | |
175 | printf("linux: gtk thread finishing\n"); |
176 | exit(1); |
177 | |
178 | return NULL; |
179 | } |
180 | |
181 | static void gtk_initf(void) |
182 | { |
183 | pthread_t gtk_thread; |
184 | sem_t sem; |
185 | sem_init(&sem, 0, 0); |
186 | |
187 | pthread_create(>k_thread, NULL, gtk_threadf, &sem); |
188 | pthread_detach(gtk_thread); |
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189 | |
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190 | sem_wait(&sem); |
191 | sem_close(&sem); |
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192 | } |
193 | |
194 | void finalize_image(guchar *pixels, gpointer data) |
195 | { |
196 | free(pixels); |
197 | } |
198 | |
199 | /* --- */ |
200 | |
201 | void gp2x_init(void) |
202 | { |
203 | printf("entering init()\n"); fflush(stdout); |
204 | |
205 | gp2x_screen = malloc(320*240*2 + 320*2); |
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206 | memset(gp2x_screen, 0, 320*240*2 + 320*2); |
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207 | |
208 | // snd |
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209 | sndout_oss_init(); |
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210 | |
211 | gtk_initf(); |
212 | |
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213 | usbjoy_init(); |
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214 | |
215 | printf("exitting init()\n"); fflush(stdout); |
216 | } |
217 | |
218 | void gp2x_deinit(void) |
219 | { |
220 | free(gp2x_screen); |
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221 | sndout_oss_exit(); |
222 | usbjoy_deinit(); |
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223 | } |
224 | |
225 | /* video */ |
226 | void gp2x_video_flip(void) |
227 | { |
228 | GdkPixbuf *pixbuf; |
229 | unsigned char *image; |
230 | int i; |
231 | |
232 | gdk_threads_enter(); |
233 | |
234 | image = malloc (320*240*3); |
235 | if (image == NULL) |
236 | { |
237 | gdk_threads_leave(); |
238 | return; |
239 | } |
240 | |
241 | if (current_bpp == 8) |
242 | { |
243 | unsigned char *pixels = gp2x_screen; |
244 | int pix; |
245 | |
246 | for (i = 0; i < 320*240; i++) |
247 | { |
248 | pix = current_pal[pixels[i]]; |
249 | image[3 * i + 0] = pix >> 16; |
250 | image[3 * i + 1] = pix >> 8; |
251 | image[3 * i + 2] = pix; |
252 | } |
253 | } |
254 | else |
255 | { |
256 | unsigned short *pixels = gp2x_screen; |
257 | |
258 | for (i = 0; i < 320*240; i++) |
259 | { |
260 | /* in: rrrr rggg gggb bbbb */ |
261 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
262 | image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; |
263 | image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; |
264 | image[3 * i + 2] = (pixels[i] << 3); |
265 | } |
266 | } |
267 | |
268 | pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, |
269 | FALSE, 8, 320, 240, 320*3, finalize_image, NULL); |
270 | gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); |
271 | g_object_unref (pixbuf); |
272 | |
273 | gdk_threads_leave(); |
274 | } |
275 | |
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276 | void gp2x_video_flip2(void) |
277 | { |
278 | gp2x_video_flip(); |
279 | } |
280 | |
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281 | void gp2x_video_changemode(int bpp) |
282 | { |
283 | current_bpp = bpp; |
284 | } |
285 | |
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286 | void gp2x_video_changemode2(int bpp) |
287 | { |
288 | current_bpp = bpp; |
289 | } |
290 | |
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291 | void gp2x_video_setpalette(int *pal, int len) |
292 | { |
293 | memcpy(current_pal, pal, len*4); |
294 | } |
295 | |
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296 | void gp2x_video_flush_cache(void) |
297 | { |
298 | } |
299 | |
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300 | void gp2x_video_RGB_setscaling(int v_offs, int W, int H) |
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301 | { |
302 | } |
303 | |
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304 | void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
305 | { |
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306 | if ((char *)gp2x_screen + offset != data) |
307 | memcpy((char *)gp2x_screen + offset, data, len); |
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308 | } |
309 | |
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310 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
311 | { |
312 | memcpy((char *)gp2x_screen + offset, data, len); |
313 | } |
314 | |
315 | |
316 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
317 | { |
318 | memset((char *)gp2x_screen + offset, byte, len); |
319 | } |
320 | |
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321 | void gp2x_pd_clone_buffer2(void) |
322 | { |
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323 | memset(gp2x_screen, 0, 320*240*2); |
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324 | } |
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325 | |
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326 | /* joy */ |
327 | unsigned long gp2x_joystick_read(int allow_usb_joy) |
328 | { |
329 | unsigned long value = current_keys; |
330 | int i; |
331 | |
332 | if (allow_usb_joy && num_of_joys > 0) { |
333 | // check the usb joy as well.. |
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334 | usbjoy_update(); |
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335 | for (i = 0; i < num_of_joys; i++) |
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336 | value |= usbjoy_check(i); |
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337 | } |
338 | |
339 | return value; |
340 | } |
341 | |
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342 | int gp2x_touchpad_read(int *x, int *y) |
343 | { |
344 | return -1; |
345 | } |
346 | |
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347 | /* 940 */ |
348 | int crashed_940 = 0; |
349 | void Pause940(int yes) |
350 | { |
351 | } |
352 | |
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353 | void Reset940(int yes, int bank) |
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354 | { |
355 | } |
356 | |
357 | /* faking gp2x cpuctrl.c */ |
358 | void cpuctrl_init(void) |
359 | { |
360 | } |
361 | |
362 | void cpuctrl_deinit(void) |
363 | { |
364 | } |
365 | |
366 | void set_FCLK(unsigned MHZ) |
367 | { |
368 | } |
369 | |
370 | void Disable_940(void) |
371 | { |
372 | } |
373 | |
374 | void gp2x_video_wait_vsync(void) |
375 | { |
376 | } |
377 | |
378 | void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) |
379 | { |
380 | } |
381 | |
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382 | void set_gamma(int g100, int A_SNs_curve) |
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383 | { |
384 | } |
385 | |
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386 | void set_LCD_custom_rate(int rate) |
387 | { |
388 | } |
389 | |
390 | void unset_LCD_custom_rate(void) |
391 | { |
392 | } |
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393 | |
394 | /* squidgehack.c */ |
395 | int mmuhack(void) |
396 | { |
397 | return 0; |
398 | } |
399 | |
400 | |
401 | int mmuunhack(void) |
402 | { |
403 | return 0; |
404 | } |
405 | |
406 | |
407 | /* misc */ |
408 | void spend_cycles(int c) |
409 | { |
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410 | usleep(c/200); |
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411 | } |
412 | |
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413 | /* lprintf */ |
414 | void lprintf(const char *fmt, ...) |
415 | { |
416 | va_list vl; |
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417 | |
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418 | va_start(vl, fmt); |
419 | vprintf(fmt, vl); |
420 | va_end(vl); |
421 | } |
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422 | |