| 1 | /* faking/emulating gp2x by using xlib */ |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | #include <string.h> |
| 5 | #include <stdarg.h> |
| 6 | #include <pthread.h> |
| 7 | #include <semaphore.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/version.h" |
| 16 | #include "../common/emu.h" |
| 17 | #include "../common/menu.h" |
| 18 | #include "../common/readpng.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 | void *gp2x_screens[4]; |
| 29 | |
| 30 | // dummies |
| 31 | int mix_32_to_16l_level; |
| 32 | int crashed_940 = 0; |
| 33 | int default_cpu_clock = 123; |
| 34 | void *gp2x_memregs = NULL; |
| 35 | |
| 36 | /* faking GP2X pad */ |
| 37 | enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40, |
| 38 | GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11, |
| 39 | GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15, |
| 40 | GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 }; |
| 41 | |
| 42 | static void key_press_event(int keycode) |
| 43 | { |
| 44 | switch (keycode) |
| 45 | { |
| 46 | case 111: |
| 47 | case 0x62: current_keys |= GP2X_UP; break; |
| 48 | case 116: |
| 49 | case 0x68: current_keys |= GP2X_DOWN; break; |
| 50 | case 113: |
| 51 | case 0x64: current_keys |= GP2X_LEFT; break; |
| 52 | case 114: |
| 53 | case 0x66: current_keys |= GP2X_RIGHT; break; |
| 54 | case 0x24: current_keys |= GP2X_START; break; // enter |
| 55 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
| 56 | case 0x34: current_keys |= GP2X_A; break; // z |
| 57 | case 0x35: current_keys |= GP2X_X; break; // x |
| 58 | case 0x36: current_keys |= GP2X_B; break; // c |
| 59 | case 0x37: current_keys |= GP2X_Y; break; // v |
| 60 | case 0x27: current_keys |= GP2X_L; break; // s |
| 61 | case 0x28: current_keys |= GP2X_R; break; // d |
| 62 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
| 63 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
| 64 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
| 65 | case 0x2d: log_io_clear(); break; // k |
| 66 | case 0x2e: log_io_dump(); break; // l |
| 67 | case 0x17: { // tab |
| 68 | extern int PicoReset(void); |
| 69 | PicoReset(); |
| 70 | break; |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | static void key_release_event(int keycode) |
| 76 | { |
| 77 | switch (keycode) |
| 78 | { |
| 79 | case 111: |
| 80 | case 0x62: current_keys &= ~GP2X_UP; break; |
| 81 | case 116: |
| 82 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
| 83 | case 113: |
| 84 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
| 85 | case 114: |
| 86 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
| 87 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
| 88 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
| 89 | case 0x34: current_keys &= ~GP2X_A; break; // z |
| 90 | case 0x35: current_keys &= ~GP2X_X; break; // x |
| 91 | case 0x36: current_keys &= ~GP2X_B; break; // c |
| 92 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
| 93 | case 0x27: current_keys &= ~GP2X_L; break; // s |
| 94 | case 0x28: current_keys &= ~GP2X_R; break; // d |
| 95 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
| 96 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
| 97 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | /* --- */ |
| 102 | |
| 103 | #include <X11/Xlib.h> |
| 104 | #include <X11/Xutil.h> |
| 105 | |
| 106 | static Display *xlib_display; |
| 107 | static Window xlib_window; |
| 108 | static XImage *ximage; |
| 109 | |
| 110 | static void ximage_realloc(Display *display, Visual *visual) |
| 111 | { |
| 112 | void *xlib_screen; |
| 113 | |
| 114 | XLockDisplay(xlib_display); |
| 115 | |
| 116 | if (ximage != NULL) |
| 117 | XDestroyImage(ximage); |
| 118 | ximage = NULL; |
| 119 | |
| 120 | xlib_screen = calloc(scr_w * scr_h, 4); |
| 121 | if (xlib_screen != NULL) |
| 122 | ximage = XCreateImage(display, visual, 24, ZPixmap, 0, |
| 123 | xlib_screen, scr_w, scr_h, 32, 0); |
| 124 | if (ximage == NULL) |
| 125 | fprintf(stderr, "failed to alloc ximage\n"); |
| 126 | |
| 127 | XUnlockDisplay(xlib_display); |
| 128 | } |
| 129 | |
| 130 | static void xlib_update(void) |
| 131 | { |
| 132 | Status xstatus; |
| 133 | |
| 134 | XLockDisplay(xlib_display); |
| 135 | |
| 136 | xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage, |
| 137 | 0, 0, 0, 0, g_screen_width, g_screen_height); |
| 138 | if (xstatus != 0) |
| 139 | fprintf(stderr, "XPutImage %d\n", xstatus); |
| 140 | |
| 141 | XUnlockDisplay(xlib_display); |
| 142 | } |
| 143 | |
| 144 | static void *xlib_threadf(void *targ) |
| 145 | { |
| 146 | unsigned int width, height, display_width, display_height; |
| 147 | sem_t *sem = targ; |
| 148 | XTextProperty windowName; |
| 149 | Window win; |
| 150 | XEvent report; |
| 151 | Display *display; |
| 152 | Visual *visual; |
| 153 | int screen; |
| 154 | |
| 155 | XInitThreads(); |
| 156 | |
| 157 | xlib_display = display = XOpenDisplay(NULL); |
| 158 | if (display == NULL) |
| 159 | { |
| 160 | fprintf(stderr, "cannot connect to X server %s\n", |
| 161 | XDisplayName(NULL)); |
| 162 | sem_post(sem); |
| 163 | return NULL; |
| 164 | } |
| 165 | |
| 166 | visual = DefaultVisual(display, 0); |
| 167 | if (visual->class != TrueColor) |
| 168 | { |
| 169 | fprintf(stderr, "cannot handle non true color visual\n"); |
| 170 | XCloseDisplay(display); |
| 171 | sem_post(sem); |
| 172 | return NULL; |
| 173 | } |
| 174 | |
| 175 | printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display), |
| 176 | VendorRelease(display), DisplayString(display), ProtocolVersion(display), |
| 177 | ProtocolRevision(display)); |
| 178 | |
| 179 | screen = DefaultScreen(display); |
| 180 | |
| 181 | ximage_realloc(display, visual); |
| 182 | sem_post(sem); |
| 183 | |
| 184 | display_width = DisplayWidth(display, screen); |
| 185 | display_height = DisplayHeight(display, screen); |
| 186 | |
| 187 | xlib_window = win = XCreateSimpleWindow(display, |
| 188 | RootWindow(display, screen), |
| 189 | display_width / 2 - scr_w / 2, |
| 190 | display_height / 2 - scr_h / 2, |
| 191 | scr_w + 2, scr_h + 2, 1, |
| 192 | BlackPixel(display, screen), |
| 193 | BlackPixel(display, screen)); |
| 194 | |
| 195 | XStringListToTextProperty((char **)&verstring, 1, &windowName); |
| 196 | XSetWMName(display, win, &windowName); |
| 197 | |
| 198 | XSelectInput(display, win, ExposureMask | |
| 199 | KeyPressMask | KeyReleaseMask | |
| 200 | StructureNotifyMask); |
| 201 | |
| 202 | XMapWindow(display, win); |
| 203 | |
| 204 | while (1) |
| 205 | { |
| 206 | XNextEvent(display, &report); |
| 207 | switch (report.type) |
| 208 | { |
| 209 | case Expose: |
| 210 | while (XCheckTypedEvent(display, Expose, &report)) |
| 211 | ; |
| 212 | xlib_update(); |
| 213 | break; |
| 214 | |
| 215 | case ConfigureNotify: |
| 216 | width = report.xconfigure.width; |
| 217 | height = report.xconfigure.height; |
| 218 | if (scr_w != width - 2 || scr_h != height - 2) { |
| 219 | scr_w = width - 2; |
| 220 | scr_h = height - 2; |
| 221 | scr_changed = 1; |
| 222 | } |
| 223 | break; |
| 224 | |
| 225 | case ButtonPress: |
| 226 | break; |
| 227 | |
| 228 | case KeyPress: |
| 229 | key_press_event(report.xkey.keycode); |
| 230 | break; |
| 231 | |
| 232 | case KeyRelease: |
| 233 | key_release_event(report.xkey.keycode); |
| 234 | break; |
| 235 | |
| 236 | default: |
| 237 | break; |
| 238 | } |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | static void xlib_init(void) |
| 243 | { |
| 244 | pthread_t x_thread; |
| 245 | sem_t xlib_sem; |
| 246 | |
| 247 | sem_init(&xlib_sem, 0, 0); |
| 248 | |
| 249 | pthread_create(&x_thread, NULL, xlib_threadf, &xlib_sem); |
| 250 | pthread_detach(x_thread); |
| 251 | |
| 252 | sem_wait(&xlib_sem); |
| 253 | sem_destroy(&xlib_sem); |
| 254 | } |
| 255 | |
| 256 | /* --- */ |
| 257 | |
| 258 | static void realloc_screen(void) |
| 259 | { |
| 260 | void *old = g_screen_ptr; |
| 261 | int i; |
| 262 | g_screen_width = scr_w; |
| 263 | g_screen_height = scr_h; |
| 264 | g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); |
| 265 | free(old); |
| 266 | scr_changed = 0; |
| 267 | |
| 268 | for (i = 0; i < 4; i++) |
| 269 | gp2x_screens[i] = g_screen_ptr; |
| 270 | } |
| 271 | |
| 272 | /* gp2x/emu.c stuff, most to be rm'd */ |
| 273 | static void gp2x_video_flip_(void) |
| 274 | { |
| 275 | unsigned int *image; |
| 276 | int pixel_count, i; |
| 277 | |
| 278 | if (ximage == NULL) |
| 279 | return; |
| 280 | |
| 281 | pixel_count = g_screen_width * g_screen_height; |
| 282 | image = (void *)ximage->data; |
| 283 | |
| 284 | if (current_bpp == 8) |
| 285 | { |
| 286 | unsigned char *pixels = g_screen_ptr; |
| 287 | int pix; |
| 288 | |
| 289 | for (i = 0; i < pixel_count; i++) |
| 290 | { |
| 291 | pix = current_pal[pixels[i]]; |
| 292 | image[i] = pix; |
| 293 | } |
| 294 | } |
| 295 | else |
| 296 | { |
| 297 | unsigned short *pixels = g_screen_ptr; |
| 298 | |
| 299 | for (i = 0; i < pixel_count; i++) |
| 300 | { |
| 301 | /* in: rrrr rggg gggb bbbb */ |
| 302 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
| 303 | image[i] = (pixels[i] << 8) & 0xf80000; |
| 304 | image[i] |= (pixels[i] << 5) & 0x00fc00; |
| 305 | image[i] |= (pixels[i] << 3) & 0x0000f8; |
| 306 | } |
| 307 | } |
| 308 | xlib_update(); |
| 309 | |
| 310 | if (scr_changed) { |
| 311 | realloc_screen(); |
| 312 | ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0)); |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | static void gp2x_video_changemode_ll_(int bpp) |
| 317 | { |
| 318 | current_bpp = bpp; |
| 319 | } |
| 320 | |
| 321 | static void gp2x_video_setpalette_(int *pal, int len) |
| 322 | { |
| 323 | memcpy(current_pal, pal, len*4); |
| 324 | } |
| 325 | |
| 326 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
| 327 | { |
| 328 | } |
| 329 | |
| 330 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
| 331 | { |
| 332 | memset((char *)g_screen_ptr + offset, byte, len); |
| 333 | } |
| 334 | |
| 335 | void gp2x_video_changemode(int bpp) |
| 336 | { |
| 337 | gp2x_video_changemode_ll_(bpp); |
| 338 | } |
| 339 | |
| 340 | void gp2x_make_fb_bufferable(int yes) |
| 341 | { |
| 342 | } |
| 343 | |
| 344 | int soc_detect(void) |
| 345 | { |
| 346 | return 0; |
| 347 | } |
| 348 | |
| 349 | /* plat */ |
| 350 | static char menu_bg_buffer[320*240*2]; |
| 351 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
| 352 | |
| 353 | void plat_video_menu_enter(int is_rom_loaded) |
| 354 | { |
| 355 | if (is_rom_loaded) |
| 356 | { |
| 357 | // darken the active framebuffer |
| 358 | memset(g_screen_ptr, 0, 320*8*2); |
| 359 | menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); |
| 360 | memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); |
| 361 | } |
| 362 | else |
| 363 | { |
| 364 | char buff[256]; |
| 365 | |
| 366 | // should really only happen once, on startup.. |
| 367 | emu_make_path(buff, "skin/background.png", sizeof(buff)); |
| 368 | if (readpng(g_screen_ptr, buff, READPNG_BG) < 0) |
| 369 | memset(g_screen_ptr, 0, 320*240*2); |
| 370 | } |
| 371 | |
| 372 | memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2); |
| 373 | |
| 374 | // switch to 16bpp |
| 375 | gp2x_video_changemode_ll_(16); |
| 376 | gp2x_video_flip_(); |
| 377 | } |
| 378 | |
| 379 | void plat_video_menu_begin(void) |
| 380 | { |
| 381 | memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2); |
| 382 | } |
| 383 | |
| 384 | void plat_video_menu_end(void) |
| 385 | { |
| 386 | gp2x_video_flip_(); |
| 387 | } |
| 388 | |
| 389 | void plat_validate_config(void) |
| 390 | { |
| 391 | // PicoOpt &= ~POPT_EXT_FM; |
| 392 | } |
| 393 | |
| 394 | void plat_early_init(void) |
| 395 | { |
| 396 | } |
| 397 | |
| 398 | void plat_init(void) |
| 399 | { |
| 400 | realloc_screen(); |
| 401 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
| 402 | |
| 403 | // snd |
| 404 | sndout_oss_init(); |
| 405 | |
| 406 | xlib_init(); |
| 407 | } |
| 408 | |
| 409 | void plat_finish(void) |
| 410 | { |
| 411 | free(g_screen_ptr); |
| 412 | sndout_oss_exit(); |
| 413 | } |
| 414 | |
| 415 | /* nasty */ |
| 416 | static void do_nothing() |
| 417 | { |
| 418 | } |
| 419 | |
| 420 | void *gp2x_video_flip = gp2x_video_flip_; |
| 421 | void *gp2x_video_flip2 = gp2x_video_flip_; |
| 422 | void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_; |
| 423 | void *gp2x_video_setpalette = gp2x_video_setpalette_; |
| 424 | |
| 425 | void *gp2x_video_RGB_setscaling = do_nothing; |
| 426 | void *gp2x_video_wait_vsync = do_nothing; |
| 427 | void *gp2x_set_cpuclk = do_nothing; |
| 428 | void *gp2x_read_battery = do_nothing; |
| 429 | void *set_lcd_custom_rate = do_nothing; |
| 430 | void *unset_lcd_custom_rate = do_nothing; |
| 431 | void *set_lcd_gamma = do_nothing; |
| 432 | void *set_ram_timings = do_nothing; |
| 433 | void *unset_ram_timings = do_nothing; |
| 434 | |
| 435 | /* joy */ |
| 436 | int gp2x_touchpad_read(int *x, int *y) |
| 437 | { |
| 438 | return -1; |
| 439 | } |
| 440 | |
| 441 | /* misc */ |
| 442 | void spend_cycles(int c) |
| 443 | { |
| 444 | usleep(c/200); |
| 445 | } |
| 446 | |
| 447 | int mp3_get_bitrate(FILE *f, int size) |
| 448 | { |
| 449 | return 128; |
| 450 | } |
| 451 | |
| 452 | void mp3_start_play(FILE *f, int pos) |
| 453 | { |
| 454 | } |
| 455 | |
| 456 | void mp3_update(int *buffer, int length, int stereo) |
| 457 | { |
| 458 | } |
| 459 | |
| 460 | /* lprintf */ |
| 461 | void lprintf(const char *fmt, ...) |
| 462 | { |
| 463 | va_list vl; |
| 464 | |
| 465 | va_start(vl, fmt); |
| 466 | vprintf(fmt, vl); |
| 467 | va_end(vl); |
| 468 | } |
| 469 | |