gp2x.c 7.7 KB

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