-/* faking/emulating gp2x.c by using gtk */
+/* faking/emulating gp2x by using xlib */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <stdarg.h>
#include <pthread.h>
-#include <gtk/gtk.h>
+#include <semaphore.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/soundcard.h>
#include <fcntl.h>
#include <errno.h>
-#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;
-
+int mix_32_to_16l_level;
+int crashed_940 = 0;
+int default_cpu_clock = 123;
+void *gp2x_memregs = NULL;
-static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
-{
- return FALSE;
-}
+/* ifndef is for qemu build without video out */
+#ifndef ARM
-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; // ]
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; // ]
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 <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+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;
+
+ XLockDisplay(xlib_display);
- g_thread_init (NULL);
- gdk_threads_init ();
- gdk_set_locale ();
- gtk_init (&argc, (char ***) &argv);
+ 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);
- /* 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);
+ XUnlockDisplay(xlib_display);
+}
- g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
- G_CALLBACK (destroy), 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_press_event",
- G_CALLBACK (key_press_event), NULL);
+ XInitThreads();
- g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
- G_CALLBACK (key_release_event), NULL);
+ xlib_display = display = XOpenDisplay(NULL);
+ if (display == NULL)
+ {
+ fprintf(stderr, "cannot connect to X server %s\n",
+ XDisplayName(NULL));
+ sem_post(sem);
+ return NULL;
+ }
- gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2);
- gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
+ visual = DefaultVisual(display, 0);
+ if (visual->class != TrueColor)
+ {
+ fprintf(stderr, "cannot handle non true color visual\n");
+ XCloseDisplay(display);
+ sem_post(sem);
+ return NULL;
+ }
- box = gtk_hbox_new(FALSE, 0);
- gtk_widget_show(box);
- gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
+ printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
+ VendorRelease(display), DisplayString(display), ProtocolVersion(display),
+ ProtocolRevision(display));
- /* 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);
+ screen = DefaultScreen(display);
- gtk_widget_show (gtk_items.window);
+ ximage_realloc(display, visual);
+ sem_post(sem);
- // pthread_mutex_init (&thr_mutex, NULL);
- // pthread_mutex_lock (&thr_mutex);
- // pthread_mutex_init (&scanner_muttex, NULL);
+ display_width = DisplayWidth(display, screen);
+ display_height = DisplayHeight(display, screen);
- pthread_create(>k_thread, NULL, gtk_threadf, NULL);
-}
+ 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));
-void finalize_image(guchar *pixels, gpointer data)
-{
- free(pixels);
-}
+ XStringListToTextProperty((char **)&verstring, 1, &windowName);
+ XSetWMName(display, win, &windowName);
-/* --- */
+ XSelectInput(display, win, ExposureMask |
+ KeyPressMask | KeyReleaseMask |
+ StructureNotifyMask);
-void gp2x_init(void)
-{
- printf("entering init()\n"); fflush(stdout);
+ XMapWindow(display, win);
- gp2x_screen = malloc(320*240*2 + 320*2);
+ 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;
+ }
+ }
+}
- // snd
- mixerdev = open("/dev/mixer", O_RDWR);
- if (mixerdev == -1)
- printf("open(\"/dev/mixer\") failed with %i\n", errno);
+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);
}
+#endif // !ARM
-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();
+#ifndef ARM
+ 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));
+ }
+#endif
}
-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_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)
{
+ extern int PicoOpt;
+// PicoOpt &= ~POPT_EXT_FM;
+ PicoOpt &= ~(1<<17); // POPT_EN_SVP_DRC
}
-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();
+
+#ifndef ARM
+ xlib_init();
+#endif
}
-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 *gp2x_read_battery = 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;
}
+void mp3_update(int *buffer, int length, int stereo)
+{
+}
-/* misc */
-void spend_cycles(int c)
+void cache_flush_d_inval_i()
{
- usleep(c/*/200*/);
}
+/* lprintf */
+void lprintf(const char *fmt, ...)
+{
+ va_list vl;
+ va_start(vl, fmt);
+ vprintf(fmt, vl);
+ va_end(vl);
+}