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