[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;

// 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;
	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;
}

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