X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fgp2x.c;h=17b294a978a2df853440f00476e32282e6fb08c7;hb=a148806dc68520d05c8ace7051081a374422c340;hp=cc4db9843ceb29cebfc5458d314b4765e7a7274f;hpb=af6e9c49619b918da965e82e5ecb525d98aee862;p=libpicofe.git diff --git a/linux/gp2x.c b/linux/gp2x.c index cc4db98..17b294a 100644 --- a/linux/gp2x.c +++ b/linux/gp2x.c @@ -1,58 +1,55 @@ -/* faking/emulating gp2x.c by using gtk */ +/* faking/emulating gp2x by using xlib */ #include #include #include +#include #include -#include +#include #include #include #include -#include -#include #include #include -#include "../gp2x/emu.h" -#include "../gp2x/gp2x.h" -#include "../gp2x/usbjoy.h" #include "../gp2x/version.h" +#include "../common/emu.h" +#include "../common/menu.h" +#include "../common/readpng.h" +#include "sndout_oss.h" -void *gp2x_screen; +#include "log_io.h" + +unsigned long current_keys = 0; static int current_bpp = 8; static int current_pal[256]; -static unsigned long current_keys = 0; -static int sounddev = 0, mixerdev = 0; static const char *verstring = "PicoDrive " VERSION; +static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT; +void *gp2x_screens[4]; // dummies -char *ext_menu = 0, *ext_state = 0; - -/* gtk */ -struct gtk_global_struct -{ - GtkWidget *window; - GtkWidget *pixmap1; -} gtk_items; - - -static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data) -{ - return FALSE; -} +int mix_32_to_16l_level; +int crashed_940 = 0; +int default_cpu_clock = 123; +void *gp2x_memregs = NULL; -static void destroy (GtkWidget *widget, gpointer data) -{ - gtk_main_quit (); -} +/* faking GP2X pad */ +enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40, + GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11, + GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15, + GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 }; -static gint key_press_event (GtkWidget *widget, GdkEventKey *event) +static void key_press_event(int keycode) { - switch (event->hardware_keycode) + switch (keycode) { + case 111: case 0x62: current_keys |= GP2X_UP; break; + case 116: case 0x68: current_keys |= GP2X_DOWN; break; + case 113: case 0x64: current_keys |= GP2X_LEFT; break; + case 114: case 0x66: current_keys |= GP2X_RIGHT; break; case 0x24: current_keys |= GP2X_START; break; // enter case 0x23: current_keys |= GP2X_SELECT;break; // ] @@ -65,18 +62,27 @@ static gint key_press_event (GtkWidget *widget, GdkEventKey *event) case 0x29: current_keys |= GP2X_PUSH; break; // f case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q case 0x19: current_keys |= GP2X_VOL_UP;break; // w + case 0x2d: log_io_clear(); break; // k + case 0x2e: log_io_dump(); break; // l + case 0x17: { // tab + extern int PicoReset(void); + PicoReset(); + break; + } } - - return 0; } -static gint key_release_event (GtkWidget *widget, GdkEventKey *event) +static void key_release_event(int keycode) { - switch (event->hardware_keycode) + switch (keycode) { + case 111: case 0x62: current_keys &= ~GP2X_UP; break; + case 116: case 0x68: current_keys &= ~GP2X_DOWN; break; + case 113: case 0x64: current_keys &= ~GP2X_LEFT; break; + case 114: case 0x66: current_keys &= ~GP2X_RIGHT; break; case 0x24: current_keys &= ~GP2X_START; break; // enter case 0x23: current_keys &= ~GP2X_SELECT;break; // ] @@ -90,320 +96,374 @@ static gint key_release_event (GtkWidget *widget, GdkEventKey *event) case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w } - - return 0; } -static void *gtk_threadf(void *none) +/* --- */ + +#include +#include + +static Display *xlib_display; +static Window xlib_window; +static XImage *ximage; + +static void ximage_realloc(Display *display, Visual *visual) { - gtk_main(); + void *xlib_screen; - printf("linux: gtk thread finishing\n"); - engineState = PGS_Quit; + XLockDisplay(xlib_display); - return NULL; + if (ximage != NULL) + XDestroyImage(ximage); + ximage = NULL; + + xlib_screen = calloc(scr_w * scr_h, 4); + if (xlib_screen != NULL) + ximage = XCreateImage(display, visual, 24, ZPixmap, 0, + xlib_screen, scr_w, scr_h, 32, 0); + if (ximage == NULL) + fprintf(stderr, "failed to alloc ximage\n"); + + XUnlockDisplay(xlib_display); } -static void gtk_initf(void) +static void xlib_update(void) { - int argc = 0; - char *argv[] = { "" }; - GtkWidget *box; - pthread_t gtk_thread; + Status xstatus; - g_thread_init (NULL); - gdk_threads_init (); - gdk_set_locale (); - gtk_init (&argc, (char ***) &argv); + XLockDisplay(xlib_display); - /* create new window */ - gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", - G_CALLBACK (delete_event), NULL); + xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage, + 0, 0, 0, 0, g_screen_width, g_screen_height); + if (xstatus != 0) + fprintf(stderr, "XPutImage %d\n", xstatus); - g_signal_connect (G_OBJECT (gtk_items.window), "destroy", - G_CALLBACK (destroy), NULL); + XUnlockDisplay(xlib_display); +} - g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", - G_CALLBACK (key_press_event), NULL); +static void *xlib_threadf(void *targ) +{ + unsigned int width, height, display_width, display_height; + sem_t *sem = targ; + XTextProperty windowName; + Window win; + XEvent report; + Display *display; + Visual *visual; + int screen; - g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", - G_CALLBACK (key_release_event), NULL); + XInitThreads(); - gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2); - gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); + xlib_display = display = XOpenDisplay(NULL); + if (display == NULL) + { + fprintf(stderr, "cannot connect to X server %s\n", + XDisplayName(NULL)); + sem_post(sem); + return NULL; + } - box = gtk_hbox_new(FALSE, 0); - gtk_widget_show(box); - gtk_container_add (GTK_CONTAINER (gtk_items.window), box); + visual = DefaultVisual(display, 0); + if (visual->class != TrueColor) + { + fprintf(stderr, "cannot handle non true color visual\n"); + XCloseDisplay(display); + sem_post(sem); + return NULL; + } - /* live pixmap */ - gtk_items.pixmap1 = gtk_image_new (); - gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); - gtk_widget_show (gtk_items.pixmap1); - gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); + printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display), + VendorRelease(display), DisplayString(display), ProtocolVersion(display), + ProtocolRevision(display)); - gtk_widget_show (gtk_items.window); + screen = DefaultScreen(display); - // pthread_mutex_init (&thr_mutex, NULL); - // pthread_mutex_lock (&thr_mutex); - // pthread_mutex_init (&scanner_muttex, NULL); + ximage_realloc(display, visual); + sem_post(sem); - pthread_create(>k_thread, NULL, gtk_threadf, NULL); -} + display_width = DisplayWidth(display, screen); + display_height = DisplayHeight(display, screen); -void finalize_image(guchar *pixels, gpointer data) -{ - free(pixels); -} + xlib_window = win = XCreateSimpleWindow(display, + RootWindow(display, screen), + display_width / 2 - scr_w / 2, + display_height / 2 - scr_h / 2, + scr_w + 2, scr_h + 2, 1, + BlackPixel(display, screen), + BlackPixel(display, screen)); -/* --- */ + XStringListToTextProperty((char **)&verstring, 1, &windowName); + XSetWMName(display, win, &windowName); -void gp2x_init(void) -{ - printf("entering init()\n"); fflush(stdout); + XSelectInput(display, win, ExposureMask | + KeyPressMask | + ButtonPressMask | + StructureNotifyMask); - gp2x_screen = malloc(320*240*2 + 320*2); - memset(gp2x_screen, 0, 320*240*2 + 320*2); + XMapWindow(display, win); - // snd - mixerdev = open("/dev/mixer", O_RDWR); - if (mixerdev == -1) - printf("open(\"/dev/mixer\") failed with %i\n", errno); + while (1) + { + XNextEvent(display, &report); + switch (report.type) + { + case Expose: + while (XCheckTypedEvent(display, Expose, &report)) + ; + xlib_update(); + break; + + case ConfigureNotify: + width = report.xconfigure.width; + height = report.xconfigure.height; + if (scr_w != width - 2 || scr_h != height - 2) { + scr_w = width - 2; + scr_h = height - 2; + scr_changed = 1; + } + break; + + case ButtonPress: + break; + + case KeyPress: + key_press_event(report.xkey.keycode); + break; + + case KeyRelease: + key_release_event(report.xkey.keycode); + break; + + default: + break; + } + } +} + +static void xlib_init(void) +{ + pthread_t x_thread; + sem_t xlib_sem; - gtk_initf(); + sem_init(&xlib_sem, 0, 0); - gp2x_usbjoy_init(); + pthread_create(&x_thread, NULL, xlib_threadf, &xlib_sem); + pthread_detach(x_thread); - printf("exitting init()\n"); fflush(stdout); + sem_wait(&xlib_sem); + sem_destroy(&xlib_sem); } -void gp2x_deinit(void) +/* --- */ + +static void realloc_screen(void) { - free(gp2x_screen); - if (sounddev > 0) close(sounddev); - close(mixerdev); - gp2x_usbjoy_deinit(); + void *old = g_screen_ptr; + int i; + g_screen_width = scr_w; + g_screen_height = scr_h; + g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); + free(old); + scr_changed = 0; + + for (i = 0; i < 4; i++) + gp2x_screens[i] = g_screen_ptr; } -/* video */ -void gp2x_video_flip(void) +/* gp2x/emu.c stuff, most to be rm'd */ +static void gp2x_video_flip_(void) { - GdkPixbuf *pixbuf; - unsigned char *image; - int i; - - gdk_threads_enter(); + unsigned int *image; + int pixel_count, i; - image = malloc (320*240*3); - if (image == NULL) - { - gdk_threads_leave(); + if (ximage == NULL) return; - } + + pixel_count = g_screen_width * g_screen_height; + image = (void *)ximage->data; if (current_bpp == 8) { - unsigned char *pixels = gp2x_screen; + unsigned char *pixels = g_screen_ptr; int pix; - for (i = 0; i < 320*240; i++) + for (i = 0; i < pixel_count; i++) { pix = current_pal[pixels[i]]; - image[3 * i + 0] = pix >> 16; - image[3 * i + 1] = pix >> 8; - image[3 * i + 2] = pix; + image[i] = pix; } } else { - unsigned short *pixels = gp2x_screen; + unsigned short *pixels = g_screen_ptr; - for (i = 0; i < 320*240; i++) + for (i = 0; i < pixel_count; i++) { /* in: rrrr rggg gggb bbbb */ /* out: rrrr r000 gggg gg00 bbbb b000 */ - image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; - image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; - image[3 * i + 2] = (pixels[i] << 3); + image[i] = (pixels[i] << 8) & 0xf80000; + image[i] |= (pixels[i] << 5) & 0x00fc00; + image[i] |= (pixels[i] << 3) & 0x0000f8; } } + xlib_update(); - pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, - FALSE, 8, 320, 240, 320*3, finalize_image, NULL); - gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); - g_object_unref (pixbuf); - - gdk_threads_leave(); -} - -void gp2x_video_flip2(void) -{ - gp2x_video_flip(); -} - -void gp2x_video_changemode(int bpp) -{ - current_bpp = bpp; + if (scr_changed) { + realloc_screen(); + ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0)); + } } -void gp2x_video_changemode2(int bpp) +static void gp2x_video_changemode_ll_(int bpp) { current_bpp = bpp; } -void gp2x_video_setpalette(int *pal, int len) +static void gp2x_video_setpalette_(int *pal, int len) { memcpy(current_pal, pal, len*4); } -void gp2x_video_RGB_setscaling(int W, int H) -{ -} - -void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) -{ - memcpy((char *)gp2x_screen + offset, data, len); -} - void gp2x_memcpy_all_buffers(void *data, int offset, int len) { - memcpy((char *)gp2x_screen + offset, data, len); } - void gp2x_memset_all_buffers(int offset, int byte, int len) { - memset((char *)gp2x_screen + offset, byte, len); -} - -void gp2x_pd_clone_buffer2(void) -{ - memset(gp2x_screen, 0, 320*240); + memset((char *)g_screen_ptr + offset, byte, len); } -/* sound */ -static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0; - -void gp2x_start_sound(int rate, int bits, int stereo) +void gp2x_video_changemode(int bpp) { - int frag = 0, bsize, buffers; - - // if no settings change, we don't need to do anything - if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return; - - if (sounddev > 0) close(sounddev); - sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC); - if (sounddev == -1) - printf("open(\"/dev/dsp\") failed with %i\n", errno); - - ioctl(sounddev, SNDCTL_DSP_SPEED, &rate); - ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits); - ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo); - // calculate buffer size - buffers = 16; - bsize = rate / 32; - if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding - while ((bsize>>=1)) frag++; - frag |= buffers<<16; // 16 buffers - ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag); - printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n", - rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff)); - - s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo; + gp2x_video_changemode_ll_(bpp); } -void gp2x_sound_write(void *buff, int len) +void gp2x_make_fb_bufferable(int yes) { - write(sounddev, buff, len); } -void gp2x_sound_sync(void) +int soc_detect(void) { - ioctl(sounddev, SOUND_PCM_SYNC, 0); + return 0; } -void gp2x_sound_volume(int l, int r) -{ - l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r; - l<<=8; l|=r; - ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/ -} +/* plat */ +static char menu_bg_buffer[320*240*2]; +char cpu_clk_name[16] = "GP2X CPU clocks"; -/* joy */ -unsigned long gp2x_joystick_read(int allow_usb_joy) +void plat_video_menu_enter(int is_rom_loaded) { - unsigned long value = current_keys; - int i; + if (is_rom_loaded) + { + // darken the active framebuffer + memset(g_screen_ptr, 0, 320*8*2); + menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); + memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); + } + else + { + char buff[256]; - if (allow_usb_joy && num_of_joys > 0) { - // check the usb joy as well.. - gp2x_usbjoy_update(); - for (i = 0; i < num_of_joys; i++) - value |= gp2x_usbjoy_check(i); + // should really only happen once, on startup.. + emu_make_path(buff, "skin/background.png", sizeof(buff)); + if (readpng(g_screen_ptr, buff, READPNG_BG) < 0) + memset(g_screen_ptr, 0, 320*240*2); } - return value; + memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2); + + // switch to 16bpp + gp2x_video_changemode_ll_(16); + gp2x_video_flip_(); } -/* 940 */ -int crashed_940 = 0; -void Pause940(int yes) +void plat_video_menu_begin(void) { + memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2); } -void Reset940(int yes, int bank) +void plat_video_menu_end(void) { + gp2x_video_flip_(); } -/* faking gp2x cpuctrl.c */ -void cpuctrl_init(void) +void plat_validate_config(void) { +// PicoOpt &= ~POPT_EXT_FM; } -void cpuctrl_deinit(void) +void plat_early_init(void) { } -void set_FCLK(unsigned MHZ) +void plat_init(void) { + realloc_screen(); + memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); + + // snd + sndout_oss_init(); + + xlib_init(); } -void Disable_940(void) +void plat_finish(void) { + free(g_screen_ptr); + sndout_oss_exit(); } -void gp2x_video_wait_vsync(void) +/* nasty */ +static void do_nothing() { } -void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) +void *gp2x_video_flip = gp2x_video_flip_; +void *gp2x_video_flip2 = gp2x_video_flip_; +void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_; +void *gp2x_video_setpalette = gp2x_video_setpalette_; + +void *gp2x_video_RGB_setscaling = do_nothing; +void *gp2x_video_wait_vsync = do_nothing; +void *gp2x_set_cpuclk = do_nothing; +void *set_lcd_custom_rate = do_nothing; +void *unset_lcd_custom_rate = do_nothing; +void *set_lcd_gamma = do_nothing; +void *set_ram_timings = do_nothing; +void *unset_ram_timings = do_nothing; + +/* joy */ +int gp2x_touchpad_read(int *x, int *y) { + return -1; } -void set_gamma(int g100) +/* misc */ +void spend_cycles(int c) { + usleep(c/200); } - -/* squidgehack.c */ -int mmuhack(void) +int mp3_get_bitrate(FILE *f, int size) { - return 0; + return 128; } - -int mmuunhack(void) +void mp3_start_play(FILE *f, int pos) { - return 0; } - -/* misc */ -void spend_cycles(int c) +void mp3_update(int *buffer, int length, int stereo) { - usleep(c/*/200*/); } +/* lprintf */ +void lprintf(const char *fmt, ...) +{ + va_list vl; + va_start(vl, fmt); + vprintf(fmt, vl); + va_end(vl); +}