[libpicofe.git] / linux / gp2x.c

/* faking/emulating gp2x by using gtk */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <semaphore.h>
#include <gtk/gtk.h>

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

#include "../gp2x/version.h"
#include "../common/emu.h"
#include "../common/menu.h"
#include "../common/readpng.h"
#include "sndout_oss.h"

#include "log_io.h"

unsigned long current_keys = 0;
static int current_bpp = 8;
static int current_pal[256];
static const char *verstring = "PicoDrive " VERSION;
static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
void *gp2x_screens[4];

// dummies
int mix_32_to_16l_level;
int crashed_940 = 0;
int default_cpu_clock = 123;
void *gp2x_memregs = NULL;

/* gtk */
struct gtk_global_struct
{
        GtkWidget *window;
        GtkWidget *pixmap1;
} gtk_items;


static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
{
	return FALSE;
}

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)
{
	switch (event->hardware_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 0x34: current_keys |= GP2X_A;     break; // z
		case 0x35: current_keys |= GP2X_X;     break; // x
		case 0x36: current_keys |= GP2X_B;     break; // c
		case 0x37: current_keys |= GP2X_Y;     break; // v
		case 0x27: current_keys |= GP2X_L;     break; // s
		case 0x28: current_keys |= GP2X_R;     break; // d
		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)
{
	switch (event->hardware_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 0x34: current_keys &= ~GP2X_A;     break; // z
		case 0x35: current_keys &= ~GP2X_X;     break; // x
		case 0x36: current_keys &= ~GP2X_B;     break; // c
		case 0x37: current_keys &= ~GP2X_Y;     break; // v
		case 0x27: current_keys &= ~GP2X_L;     break; // s
		case 0x28: current_keys &= ~GP2X_R;     break; // d
		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
	}

	return 0;
}

static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data)
{
	// printf("%dx%d\n", allocation->width, allocation->height);
	if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) {
		scr_w = allocation->width - 2;
		scr_h = allocation->height - 2;
		scr_changed = 1;
	}
}

static void *gtk_threadf(void *targ)
{
	int argc = 0;
	char *argv[] = { "" };
	GtkWidget *box;
	sem_t *sem = targ;

	g_thread_init (NULL);
	gdk_threads_init ();
	gdk_set_locale ();
	gtk_init (&argc, (char ***) &argv);

	/* 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);

	g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
			G_CALLBACK (destroy), NULL);

	g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
			G_CALLBACK (key_press_event), NULL);

	g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
			G_CALLBACK (key_release_event), NULL);

	g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate",
			G_CALLBACK (size_allocate_event), NULL);

	gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1);
	gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);

	box = gtk_hbox_new(FALSE, 0);
	gtk_widget_show(box);
	gtk_container_add (GTK_CONTAINER (gtk_items.window), box);

	/* 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);

	gtk_widget_show  (gtk_items.window);

	sem_post(sem);

	gtk_main();

	printf("linux: gtk thread finishing\n");
	exit(1);

	return NULL;
}

static void gtk_initf(void)
{
	pthread_t gtk_thread;
	sem_t sem;
	sem_init(&sem, 0, 0);

	pthread_create(&gtk_thread, NULL, gtk_threadf, &sem);
	pthread_detach(gtk_thread);

	sem_wait(&sem);
	sem_close(&sem);
}

void finalize_image(guchar *pixels, gpointer data)
{
	free(pixels);
}

/* --- */

static void realloc_screen(void)
{
	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;
}

/* gp2x/emu.c stuff, most to be rm'd */
static void gp2x_video_flip_(void)
{
	GdkPixbuf	*pixbuf;
	unsigned char	*image;
	int		pixel_count, i;

	pixel_count = g_screen_width * g_screen_height;

	gdk_threads_enter();

	image = malloc(pixel_count * 3);
	if (image == NULL)
	{
		gdk_threads_leave();
		return;
	}

	if (current_bpp == 8)
	{
		unsigned char *pixels = g_screen_ptr;
		int pix;

		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;
		}
	}
	else
	{
		unsigned short *pixels = g_screen_ptr;

		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);
		}
	}

	pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
			FALSE, 8, g_screen_width, g_screen_height,
			g_screen_width * 3, finalize_image, NULL);
	gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
	g_object_unref (pixbuf);

	gdk_threads_leave();

	if (scr_changed)
		realloc_screen();
}

static void gp2x_video_changemode_ll_(int bpp)
{
	current_bpp = bpp;
}

static void gp2x_video_setpalette_(int *pal, int len)
{
	memcpy(current_pal, pal, len*4);
}

void gp2x_memcpy_all_buffers(void *data, int offset, int len)
{
}

void gp2x_memset_all_buffers(int offset, int byte, int len)
{
	memset((char *)g_screen_ptr + offset, byte, len);
}

void gp2x_video_changemode(int bpp)
{
	gp2x_video_changemode_ll_(bpp);
}

void gp2x_make_fb_bufferable(int yes)
{
}

int soc_detect(void)
{
	return 0;
}

/* plat */
static char menu_bg_buffer[320*240*2];
char cpu_clk_name[16] = "GP2X CPU clocks";

void plat_video_menu_enter(int is_rom_loaded)
{
	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];

		// 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);
	}

	memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2);

	// switch to 16bpp
	gp2x_video_changemode_ll_(16);
	gp2x_video_flip_();
}

void plat_video_menu_begin(void)
{
	memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2);
}

void plat_video_menu_end(void)
{
	gp2x_video_flip_();
}

void plat_validate_config(void)
{
//	PicoOpt &= ~POPT_EXT_FM;
}

void plat_early_init(void)
{
}

void plat_init(void)
{
	realloc_screen();
	memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);

	// snd
	sndout_oss_init();

	gtk_initf();
}

void plat_finish(void)
{
	free(g_screen_ptr);
	sndout_oss_exit();
}

/* nasty */
static void do_nothing()
{
}

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;
}

/* misc */
void spend_cycles(int c)
{
	usleep(c/200);
}

int mp3_get_bitrate(FILE *f, int size)
{
	return 128;
}

void mp3_start_play(FILE *f, int pos)
{
}

void mp3_update(int *buffer, int length, int stereo)
{
}

/* lprintf */
void lprintf(const char *fmt, ...)
{
	va_list vl;

	va_start(vl, fmt);
	vprintf(fmt, vl);
	va_end(vl);
}
Commit	Line	Data
d572cbad	1	/* faking/emulating gp2x by using gtk */
720ee7f6	2	#include <stdio.h>
	3	#include <stdlib.h>
	4	#include <string.h>
	5	#include <pthread.h>
0d9652b5	6	#include <semaphore.h>
720ee7f6	7	#include <gtk/gtk.h>
	8
	9	#include <unistd.h>
	10	#include <sys/types.h>
	11	#include <sys/stat.h>
720ee7f6	12	#include <fcntl.h>
	13	#include <errno.h>
	14
720ee7f6	15	#include "../gp2x/version.h"
e31266dd	16	#include "../common/emu.h"
046c4540	17	#include "../common/menu.h"
046c4540	18	#include "../common/readpng.h"
b3972d82	19	#include "sndout_oss.h"
720ee7f6	20
15b55b4e	21	#include "log_io.h"
15b55b4e	22
13b692eb	23	unsigned long current_keys = 0;
720ee7f6	24	static int current_bpp = 8;
720ee7f6	25	static int current_pal[256];
720ee7f6	26	static const char *verstring = "PicoDrive " VERSION;
e31266dd	27	static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
0aa509f9	28	void *gp2x_screens[4];
720ee7f6	29
720ee7f6	30	// dummies
385a157e	31	int mix_32_to_16l_level;
046c4540	32	int crashed_940 = 0;
046c4540	33	int default_cpu_clock = 123;
0114ccc4	34	void *gp2x_memregs = NULL;
720ee7f6	35
	36	/* gtk */
	37	struct gtk_global_struct
	38	{
	39	GtkWidget *window;
	40	GtkWidget *pixmap1;
	41	} gtk_items;
	42
	43
	44	static gboolean delete_event (GtkWidget widget, GdkEvent event, gpointer data)
	45	{
	46	return FALSE;
	47	}
	48
	49	static void destroy (GtkWidget *widget, gpointer data)
	50	{
	51	gtk_main_quit ();
	52	}
	53
82abf46f	54	/* faking GP2X pad */
	55	enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40,
	56	GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11,
	57	GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15,
	58	GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
	59
720ee7f6	60	static gint key_press_event (GtkWidget widget, GdkEventKey event)
	61	{
	62	switch (event->hardware_keycode)
	63	{
13b692eb	64	case 111:
720ee7f6	65	case 0x62: current_keys \|= GP2X_UP; break;
13b692eb	66	case 116:
720ee7f6	67	case 0x68: current_keys \|= GP2X_DOWN; break;
13b692eb	68	case 113:
720ee7f6	69	case 0x64: current_keys \|= GP2X_LEFT; break;
13b692eb	70	case 114:
720ee7f6	71	case 0x66: current_keys \|= GP2X_RIGHT; break;
	72	case 0x24: current_keys \|= GP2X_START; break; // enter
	73	case 0x23: current_keys \|= GP2X_SELECT;break; // ]
	74	case 0x34: current_keys \|= GP2X_A; break; // z
	75	case 0x35: current_keys \|= GP2X_X; break; // x
	76	case 0x36: current_keys \|= GP2X_B; break; // c
	77	case 0x37: current_keys \|= GP2X_Y; break; // v
	78	case 0x27: current_keys \|= GP2X_L; break; // s
	79	case 0x28: current_keys \|= GP2X_R; break; // d
	80	case 0x29: current_keys \|= GP2X_PUSH; break; // f
	81	case 0x18: current_keys \|= GP2X_VOL_DOWN;break; // q
	82	case 0x19: current_keys \|= GP2X_VOL_UP;break; // w
15b55b4e	83	case 0x2d: log_io_clear(); break; // k
15b55b4e	84	case 0x2e: log_io_dump(); break; // l
6999d7eb	85	case 0x17: { // tab
	86	extern int PicoReset(void);
	87	PicoReset();
	88	break;
	89	}
720ee7f6	90	}
	91
	92	return 0;
	93	}
	94
	95	static gint key_release_event (GtkWidget widget, GdkEventKey event)
	96	{
	97	switch (event->hardware_keycode)
	98	{
13b692eb	99	case 111:
720ee7f6	100	case 0x62: current_keys &= ~GP2X_UP; break;
13b692eb	101	case 116:
720ee7f6	102	case 0x68: current_keys &= ~GP2X_DOWN; break;
13b692eb	103	case 113:
720ee7f6	104	case 0x64: current_keys &= ~GP2X_LEFT; break;
13b692eb	105	case 114:
720ee7f6	106	case 0x66: current_keys &= ~GP2X_RIGHT; break;
	107	case 0x24: current_keys &= ~GP2X_START; break; // enter
	108	case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
	109	case 0x34: current_keys &= ~GP2X_A; break; // z
	110	case 0x35: current_keys &= ~GP2X_X; break; // x
	111	case 0x36: current_keys &= ~GP2X_B; break; // c
	112	case 0x37: current_keys &= ~GP2X_Y; break; // v
	113	case 0x27: current_keys &= ~GP2X_L; break; // s
	114	case 0x28: current_keys &= ~GP2X_R; break; // d
	115	case 0x29: current_keys &= ~GP2X_PUSH; break; // f
	116	case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
	117	case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
	118	}
	119
	120	return 0;
	121	}
	122
73a85369	123	static void size_allocate_event(GtkWidget widget, GtkAllocation allocation, gpointer user_data)
73a85369	124	{
e31266dd	125	// printf("%dx%d\n", allocation->width, allocation->height);
44bfd52f	126	if (scr_w != allocation->width - 2 \|\| scr_h != allocation->height - 2) {
	127	scr_w = allocation->width - 2;
	128	scr_h = allocation->height - 2;
	129	scr_changed = 1;
	130	}
73a85369	131	}
73a85369	132
0d9652b5	133	static void gtk_threadf(void targ)
720ee7f6	134	{
	135	int argc = 0;
	136	char *argv[] = { "" };
	137	GtkWidget *box;
0d9652b5	138	sem_t *sem = targ;
720ee7f6	139
	140	g_thread_init (NULL);
	141	gdk_threads_init ();
	142	gdk_set_locale ();
	143	gtk_init (&argc, (char ***) &argv);
	144
	145	/* create new window */
	146	gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	147	g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
	148	G_CALLBACK (delete_event), NULL);
	149
	150	g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
	151	G_CALLBACK (destroy), NULL);
	152
	153	g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
	154	G_CALLBACK (key_press_event), NULL);
	155
	156	g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
	157	G_CALLBACK (key_release_event), NULL);
	158
73a85369	159	g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate",
	160	G_CALLBACK (size_allocate_event), NULL);
	161
e31266dd	162	gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1);
720ee7f6	163	gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
	164
	165	box = gtk_hbox_new(FALSE, 0);
	166	gtk_widget_show(box);
	167	gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
	168
	169	/* live pixmap */
	170	gtk_items.pixmap1 = gtk_image_new ();
	171	gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
	172	gtk_widget_show (gtk_items.pixmap1);
	173	gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
	174
	175	gtk_widget_show (gtk_items.window);
	176
0d9652b5	177	sem_post(sem);
	178
	179	gtk_main();
	180
	181	printf("linux: gtk thread finishing\n");
	182	exit(1);
	183
	184	return NULL;
	185	}
	186
	187	static void gtk_initf(void)
	188	{
	189	pthread_t gtk_thread;
	190	sem_t sem;
	191	sem_init(&sem, 0, 0);
	192
	193	pthread_create(&gtk_thread, NULL, gtk_threadf, &sem);
	194	pthread_detach(gtk_thread);
720ee7f6	195
0d9652b5	196	sem_wait(&sem);
0d9652b5	197	sem_close(&sem);
720ee7f6	198	}
	199
	200	void finalize_image(guchar *pixels, gpointer data)
	201	{
	202	free(pixels);
	203	}
	204
	205	/* --- */
	206
e31266dd	207	static void realloc_screen(void)
	208	{
	209	void *old = g_screen_ptr;
0aa509f9	210	int i;
e31266dd	211	g_screen_width = scr_w;
e31266dd	212	g_screen_height = scr_h;
44bfd52f	213	g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1);
e31266dd	214	free(old);
e31266dd	215	scr_changed = 0;
0aa509f9	216
	217	for (i = 0; i < 4; i++)
	218	gp2x_screens[i] = g_screen_ptr;
e31266dd	219	}
e31266dd	220
046c4540	221	/* gp2x/emu.c stuff, most to be rm'd */
046c4540	222	static void gp2x_video_flip_(void)
720ee7f6	223	{
	224	GdkPixbuf *pixbuf;
	225	unsigned char *image;
e31266dd	226	int pixel_count, i;
	227
	228	pixel_count = g_screen_width * g_screen_height;
720ee7f6	229
	230	gdk_threads_enter();
	231
e31266dd	232	image = malloc(pixel_count * 3);
720ee7f6	233	if (image == NULL)
	234	{
	235	gdk_threads_leave();
	236	return;
	237	}
	238
	239	if (current_bpp == 8)
	240	{
e31266dd	241	unsigned char *pixels = g_screen_ptr;
720ee7f6	242	int pix;
720ee7f6	243
e31266dd	244	for (i = 0; i < pixel_count; i++)
720ee7f6	245	{
	246	pix = current_pal[pixels[i]];
	247	image[3 * i + 0] = pix >> 16;
	248	image[3 * i + 1] = pix >> 8;
	249	image[3 * i + 2] = pix;
	250	}
	251	}
	252	else
	253	{
e31266dd	254	unsigned short *pixels = g_screen_ptr;
720ee7f6	255
e31266dd	256	for (i = 0; i < pixel_count; i++)
720ee7f6	257	{
	258	/* in: rrrr rggg gggb bbbb */
	259	/* out: rrrr r000 gggg gg00 bbbb b000 */
	260	image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
	261	image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
	262	image[3 * i + 2] = (pixels[i] << 3);
	263	}
	264	}
	265
	266	pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
e31266dd	267	FALSE, 8, g_screen_width, g_screen_height,
e31266dd	268	g_screen_width * 3, finalize_image, NULL);
720ee7f6	269	gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
	270	g_object_unref (pixbuf);
	271
	272	gdk_threads_leave();
e31266dd	273
	274	if (scr_changed)
	275	realloc_screen();
720ee7f6	276	}
720ee7f6	277
046c4540	278	static void gp2x_video_changemode_ll_(int bpp)
	279	{
	280	current_bpp = bpp;
	281	}
	282
	283	static void gp2x_video_setpalette_(int *pal, int len)
e5d315a5	284	{
046c4540	285	memcpy(current_pal, pal, len*4);
	286	}
	287
	288	void gp2x_memcpy_all_buffers(void *data, int offset, int len)
	289	{
	290	}
	291
	292	void gp2x_memset_all_buffers(int offset, int byte, int len)
	293	{
	294	memset((char *)g_screen_ptr + offset, byte, len);
e5d315a5	295	}
e5d315a5	296
720ee7f6	297	void gp2x_video_changemode(int bpp)
720ee7f6	298	{
046c4540	299	gp2x_video_changemode_ll_(bpp);
720ee7f6	300	}
720ee7f6	301
046c4540	302	void gp2x_make_fb_bufferable(int yes)
e5d315a5	303	{
e5d315a5	304	}
e5d315a5	305
046c4540	306	int soc_detect(void)
720ee7f6	307	{
046c4540	308	return 0;
720ee7f6	309	}
720ee7f6	310
046c4540	311	/* plat */
	312	static char menu_bg_buffer[3202402];
	313	char cpu_clk_name[16] = "GP2X CPU clocks";
	314
	315	void plat_video_menu_enter(int is_rom_loaded)
720ee7f6	316	{
046c4540	317	if (is_rom_loaded)
	318	{
	319	// darken the active framebuffer
	320	memset(g_screen_ptr, 0, 32082);
	321	menu_darken_bg((char )g_screen_ptr + 32082, 320224, 1);
	322	memset((char )g_screen_ptr + 3202322, 0, 3208*2);
	323	}
	324	else
	325	{
45deb409	326	char buff[256];
45deb409	327
046c4540	328	// should really only happen once, on startup..
45deb409	329	emu_make_path(buff, "skin/background.png", sizeof(buff));
	330	if (readpng(g_screen_ptr, buff, READPNG_BG) < 0)
	331	memset(g_screen_ptr, 0, 3202402);
046c4540	332	}
	333
	334	memcpy(menu_bg_buffer, g_screen_ptr, 3202402);
	335
	336	// switch to 16bpp
	337	gp2x_video_changemode_ll_(16);
	338	gp2x_video_flip_();
720ee7f6	339	}
720ee7f6	340
046c4540	341	void plat_video_menu_begin(void)
720ee7f6	342	{
046c4540	343	memcpy(g_screen_ptr, menu_bg_buffer, 3202402);
720ee7f6	344	}
720ee7f6	345
046c4540	346	void plat_video_menu_end(void)
3f2aaff2	347	{
046c4540	348	gp2x_video_flip_();
3f2aaff2	349	}
3f2aaff2	350
046c4540	351	void plat_validate_config(void)
720ee7f6	352	{
046c4540	353	// PicoOpt &= ~POPT_EXT_FM;
720ee7f6	354	}
720ee7f6	355
046c4540	356	void plat_early_init(void)
720ee7f6	357	{
	358	}
	359
046c4540	360	void plat_init(void)
720ee7f6	361	{
046c4540	362	realloc_screen();
	363	memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
	364
	365	// snd
	366	sndout_oss_init();
	367
	368	gtk_initf();
720ee7f6	369	}
720ee7f6	370
046c4540	371	void plat_finish(void)
720ee7f6	372	{
046c4540	373	free(g_screen_ptr);
046c4540	374	sndout_oss_exit();
720ee7f6	375	}
720ee7f6	376
046c4540	377	/* nasty */
046c4540	378	static void do_nothing()
720ee7f6	379	{
720ee7f6	380	}
720ee7f6	381
046c4540	382	void *gp2x_video_flip = gp2x_video_flip_;
	383	void *gp2x_video_flip2 = gp2x_video_flip_;
	384	void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_;
	385	void *gp2x_video_setpalette = gp2x_video_setpalette_;
	386
	387	void *gp2x_video_RGB_setscaling = do_nothing;
	388	void *gp2x_video_wait_vsync = do_nothing;
	389	void *gp2x_set_cpuclk = do_nothing;
	390	void *set_lcd_custom_rate = do_nothing;
	391	void *unset_lcd_custom_rate = do_nothing;
	392	void *set_lcd_gamma = do_nothing;
	393	void *set_ram_timings = do_nothing;
	394	void *unset_ram_timings = do_nothing;
	395
	396	/* joy */
	397	int gp2x_touchpad_read(int x, int y)
720ee7f6	398	{
046c4540	399	return -1;
720ee7f6	400	}
720ee7f6	401
720ee7f6	402	/* misc */
	403	void spend_cycles(int c)
	404	{
46ede6a6	405	usleep(c/200);
720ee7f6	406	}
720ee7f6	407
046c4540	408	int mp3_get_bitrate(FILE *f, int size)
	409	{
	410	return 128;
	411	}
	412
	413	void mp3_start_play(FILE *f, int pos)
	414	{
	415	}
	416
	417	void mp3_update(int *buffer, int length, int stereo)
	418	{
	419	}
	420
6245d5a0	421	/* lprintf */
	422	void lprintf(const char *fmt, ...)
	423	{
	424	va_list vl;
720ee7f6	425
6245d5a0	426	va_start(vl, fmt);
	427	vprintf(fmt, vl);
	428	va_end(vl);
	429	}
720ee7f6	430