[pcsx_rearmed.git] / frontend / plugin_lib.c

/*
 * (C) notaz, 2010-2011
 *
 * This work is licensed under the terms of the GNU GPLv2 or later.
 * See the COPYING file in the top-level directory.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdint.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>

#include "plugin_lib.h"
#include "linux/fbdev.h"
#include "common/fonts.h"
#include "common/input.h"
#include "common/plat.h"
#include "menu.h"
#include "main.h"
#include "plat.h"
#include "pcnt.h"
#include "pl_gun_ts.h"
#include "../libpcsxcore/new_dynarec/new_dynarec.h"
#include "../libpcsxcore/psemu_plugin_defs.h"

int in_type1, in_type2;
int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
int in_keystate, in_state_gun;
int in_enable_vibration;
void *tsdev;
void *pl_vout_buf;
int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
static int psx_w, psx_h, psx_bpp;
static int vsync_cnt;
static int is_pal, frame_interval, frame_interval1024;
static int vsync_usec_time;


static __attribute__((noinline)) int get_cpu_ticks(void)
{
	static unsigned long last_utime;
	static int fd;
	unsigned long utime, ret;
	char buf[128];

	if (fd == 0)
		fd = open("/proc/self/stat", O_RDONLY);
	lseek(fd, 0, SEEK_SET);
	buf[0] = 0;
	read(fd, buf, sizeof(buf));
	buf[sizeof(buf) - 1] = 0;

	sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
	ret = utime - last_utime;
	last_utime = utime;
	return ret;
}

static void print_msg(int h, int border)
{
	if (pl_vout_bpp == 16)
		pl_text_out16(border + 2, h - 10, "%s", hud_msg);
}

static void print_fps(int h, int border)
{
	if (pl_vout_bpp == 16)
		pl_text_out16(border + 2, h - 10, "%2d %4.1f",
			pl_rearmed_cbs.flips_per_sec, pl_rearmed_cbs.vsps_cur);
}

static void print_cpu_usage(int w, int h, int border)
{
	if (pl_vout_bpp == 16)
		pl_text_out16(w - border - 28, h - 10, "%3d", pl_rearmed_cbs.cpu_usage);
}

// draw 192x8 status of 24 sound channels
static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
{
	extern void spu_get_debug_info(int *chans_out, int *run_chans,
		int *fmod_chans_out, int *noise_chans_out); // hack
	int live_chans, run_chans, fmod_chans, noise_chans;

	static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
	unsigned short *dest = (unsigned short *)pl_vout_buf +
		vout_w * (vout_h - 10) + vout_w / 2 - 192/2;
	unsigned short *d, p;
	int c, x, y;

	if (pl_vout_bpp != 16)
		return;

	spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);

	for (c = 0; c < 24; c++) {
		d = dest + c * 8;
		p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
		     (fmod_chans & (1<<c)) ? 0xf000 :
		     (noise_chans & (1<<c)) ? 0x001f :
		     colors[c & 1];
		for (y = 0; y < 8; y++, d += vout_w)
			for (x = 0; x < 8; x++)
				d[x] = p;
	}
}

void pl_print_hud(int xborder)
{
	int w = pl_vout_w, h = pl_vout_h;

	if (h < 16)
		return;

	if (g_opts & OPT_SHOWSPU)
		draw_active_chans(w, h);

	if (hud_msg[0] != 0)
		print_msg(h, xborder);
	else if (g_opts & OPT_SHOWFPS)
		print_fps(h, xborder);

	if (g_opts & OPT_SHOWCPU)
		print_cpu_usage(w, h, xborder);
}

/* update scaler target size according to user settings */
static void update_layer_size(int w, int h)
{
	float mult;
	int imult;

	switch (g_scaler) {
	case SCALE_1_1:
		g_layer_w = w; g_layer_h = h;
		break;

	case SCALE_4_3v2:
		if (h > g_menuscreen_h || (240 < h && h <= 360))
			goto fractional_4_3;

		// 4:3 that prefers integer scaling
		imult = g_menuscreen_h / h;
		g_layer_w = w * imult;
		g_layer_h = h * imult;
		mult = (float)g_layer_w / (float)g_layer_h;
		if (mult < 1.25f || mult > 1.666f)
			g_layer_w = 4.0f/3.0f * (float)g_layer_h;
		printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
		break;

	fractional_4_3:
	case SCALE_4_3:
		mult = 240.0f / (float)h * 4.0f / 3.0f;
		if (h > 256)
			mult *= 2.0f;
		g_layer_w = mult * (float)g_menuscreen_h;
		g_layer_h = g_menuscreen_h;
		printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
		break;

	case SCALE_FULLSCREEN:
		g_layer_w = g_menuscreen_w;
		g_layer_h = g_menuscreen_h;
		break;

	default:
		break;
	}

	g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
	g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
	if (g_layer_x < 0) g_layer_x = 0;
	if (g_layer_y < 0) g_layer_y = 0;
	if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
	if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
}

static void *pl_vout_set_mode(int w, int h, int bpp)
{
	// special h handling, Wipeout likes to change it by 1-6
	static int vsync_cnt_ms_prev;
	if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
		h = (h + 7) & ~7;
	vsync_cnt_ms_prev = vsync_cnt;

	if (w == psx_w && h == psx_h && bpp == psx_bpp)
		return pl_vout_buf;

	pl_vout_w = psx_w = w;
	pl_vout_h = psx_h = h;
	pl_vout_bpp = psx_bpp = bpp;

	update_layer_size(pl_vout_w, pl_vout_h);

	pl_vout_buf = plat_gvideo_set_mode(&pl_vout_w, &pl_vout_h, &pl_vout_bpp);
	if (pl_vout_buf == NULL && pl_rearmed_cbs.pl_vout_raw_flip == NULL)
		fprintf(stderr, "failed to set mode %dx%d@%d\n",
			psx_w, psx_h, psx_bpp);

	menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);

	return pl_vout_buf;
}

// only used if raw flip is not defined
static void *pl_vout_flip(void)
{
	pl_rearmed_cbs.flip_cnt++;

	if (pl_vout_buf != NULL)
		pl_print_hud(0);

	// let's flip now
	pl_vout_buf = plat_gvideo_flip();
	return pl_vout_buf;
}

static int pl_vout_open(void)
{
	struct timeval now;
	int h;

	// force mode update
	h = psx_h;
	psx_h--;
	pl_vout_buf = pl_vout_set_mode(psx_w, h, psx_bpp);

	plat_gvideo_open(is_pal);

	gettimeofday(&now, 0);
	vsync_usec_time = now.tv_usec;
	while (vsync_usec_time >= frame_interval)
		vsync_usec_time -= frame_interval;

	return 0;
}

static void pl_vout_close(void)
{
	plat_gvideo_close();
}

void *pl_prepare_screenshot(int *w, int *h, int *bpp)
{
	void *ret = plat_prepare_screenshot(w, h, bpp);
	if (ret != NULL)
		return ret;

	*w = pl_vout_w;
	*h = pl_vout_h;
	*bpp = pl_vout_bpp;

	return pl_vout_buf;
}

#ifndef MAEMO
static void update_analogs(void)
{
	int *nubp[2] = { in_a1, in_a2 };
	int i, a, v, ret;

	for (i = 0; i < 2; i++)
	{
		if (in_adev[i] < 0)
			continue;

		for (a = 0; a < 2; a++) {
			nubp[i][a] = 127;

			ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
			if (ret == 0) {
				v = v / (IN_ABS_RANGE / 128) + 127;
				nubp[i][a] = v < 0 ? 0 : v;
			}
		}
	}
	//printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
}

static void update_input(void)
{
	int actions[IN_BINDTYPE_COUNT] = { 0, };
	unsigned int emu_act;

	in_update(actions);
	if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
		update_analogs();
	emu_act = actions[IN_BINDTYPE_EMU];
	in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;

	emu_act &= ~SACTION_GUN_MASK;
	if (emu_act) {
		int which = 0;
		for (; !(emu_act & 1); emu_act >>= 1, which++)
			;
		emu_act = which;
	}
	emu_set_action(emu_act);

	in_keystate = actions[IN_BINDTYPE_PLAYER12];
#ifdef X11
	extern int x11_update_keys(unsigned int *action);
	in_keystate |= x11_update_keys(&emu_act);
	emu_set_action(emu_act);
#endif
}
#else /* MAEMO */
static void update_input(void)
{
}
#endif

void pl_update_gun(int *xn, int *xres, int *y, int *in)
{
	if (tsdev)
		pl_gun_ts_update(tsdev, xn, y, in);

	*xres = pl_vout_w;
	*y = *y * pl_vout_h >> 10;
}

#define MAX_LAG_FRAMES 3

#define tvdiff(tv, tv_old) \
	((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)

/* called on every vsync */
void pl_frame_limit(void)
{
	static struct timeval tv_old, tv_expect;
	static int vsync_cnt_prev, drc_active_vsyncs;
	struct timeval now;
	int diff, usadj;

	vsync_cnt++;

	/* doing input here because the pad is polled
	 * thousands of times per frame for some reason */
	update_input();

	pcnt_end(PCNT_ALL);
	gettimeofday(&now, 0);

	if (now.tv_sec != tv_old.tv_sec) {
		diff = tvdiff(now, tv_old);
		pl_rearmed_cbs.vsps_cur = 0.0f;
		if (0 < diff && diff < 2000000)
			pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
		vsync_cnt_prev = vsync_cnt;

		if (g_opts & OPT_SHOWFPS)
			pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
		pl_rearmed_cbs.flip_cnt = 0;
		if (g_opts & OPT_SHOWCPU)
			pl_rearmed_cbs.cpu_usage = get_cpu_ticks();

		if (hud_new_msg > 0) {
			hud_new_msg--;
			if (hud_new_msg == 0)
				hud_msg[0] = 0;
		}
		tv_old = now;
	}
#ifdef PCNT
	static int ya_vsync_count;
	if (++ya_vsync_count == PCNT_FRAMES) {
		pcnt_print(pl_rearmed_cbs.vsps_cur);
		ya_vsync_count = 0;
	}
#endif

	// tv_expect uses usec*1024 units instead of usecs for better accuracy
	tv_expect.tv_usec += frame_interval1024;
	if (tv_expect.tv_usec >= (1000000 << 10)) {
		tv_expect.tv_usec -= (1000000 << 10);
		tv_expect.tv_sec++;
	}
	diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;

	if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
		//printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
		tv_expect = now;
		diff = 0;
		// try to align with vsync
		usadj = vsync_usec_time;
		while (usadj < tv_expect.tv_usec - frame_interval)
			usadj += frame_interval;
		tv_expect.tv_usec = usadj << 10;
	}

	if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
		// yay for working usleep on pandora!
		//printf("usleep %d\n", diff - frame_interval / 2);
		usleep(diff - frame_interval);
	}

	if (pl_rearmed_cbs.frameskip) {
		if (diff < -frame_interval)
			pl_rearmed_cbs.fskip_advice = 1;
		else if (diff >= 0)
			pl_rearmed_cbs.fskip_advice = 0;

		// recompilation is not that fast and may cause frame skip on
		// loading screens and such, resulting in flicker or glitches
		if (new_dynarec_did_compile) {
			if (drc_active_vsyncs < 32)
				pl_rearmed_cbs.fskip_advice = 0;
			drc_active_vsyncs++;
		}
		else
			drc_active_vsyncs = 0;
		new_dynarec_did_compile = 0;
	}

	pcnt_start(PCNT_ALL);
}

void pl_timing_prepare(int is_pal_)
{
	pl_rearmed_cbs.fskip_advice = 0;
	pl_rearmed_cbs.flips_per_sec = 0;
	pl_rearmed_cbs.cpu_usage = 0;

	is_pal = is_pal_;
	frame_interval = is_pal ? 20000 : 16667;
	frame_interval1024 = is_pal ? 20000*1024 : 17066667;

	// used by P.E.Op.S. frameskip code
	pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
	pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
		(100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
}

static void pl_text_out16_(int x, int y, const char *text)
{
	int i, l, len = strlen(text), w = pl_vout_w;
	unsigned short *screen = (unsigned short *)pl_vout_buf + x + y * w;
	unsigned short val = 0xffff;

	for (i = 0; i < len; i++, screen += 8)
	{
		for (l = 0; l < 8; l++)
		{
			unsigned char fd = fontdata8x8[text[i] * 8 + l];
			unsigned short *s = screen + l * w;
			if (fd&0x80) s[0] = val;
			if (fd&0x40) s[1] = val;
			if (fd&0x20) s[2] = val;
			if (fd&0x10) s[3] = val;
			if (fd&0x08) s[4] = val;
			if (fd&0x04) s[5] = val;
			if (fd&0x02) s[6] = val;
			if (fd&0x01) s[7] = val;
		}
	}
}

void pl_text_out16(int x, int y, const char *texto, ...)
{
	va_list args;
	char    buffer[256];

	va_start(args, texto);
	vsnprintf(buffer, sizeof(buffer), texto, args);
	va_end(args);

	pl_text_out16_(x, y, buffer);
}

static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
{
	*x = g_layer_x;
	*y = g_layer_y;
	*w = g_layer_w;
	*h = g_layer_h;
}

static void *pl_mmap(unsigned int size)
{
	return plat_mmap(0, size, 0, 0);
}

static void pl_munmap(void *ptr, unsigned int size)
{
	plat_munmap(ptr, size);
}

struct rearmed_cbs pl_rearmed_cbs = {
	pl_get_layer_pos,
	pl_vout_open,
	pl_vout_set_mode,
	pl_vout_flip,
	pl_vout_close,
	pl_mmap,
	pl_munmap,
};

/* watchdog */
static void *watchdog_thread(void *unused)
{
	int vsync_cnt_old = 0;
	int seen_dead = 0;
	int sleep_time = 5;

#if !defined(NDEBUG) || defined(DRC_DBG)
	// don't interfere with debug
	return NULL;
#endif
	while (1)
	{
		sleep(sleep_time);

		if (stop) {
			seen_dead = 0;
			sleep_time = 5;
			continue;
		}
		if (vsync_cnt != vsync_cnt_old) {
			vsync_cnt_old = vsync_cnt;
			seen_dead = 0;
			sleep_time = 2;
			continue;
		}

		seen_dead++;
		sleep_time = 1;
		if (seen_dead > 1)
			fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
		if (seen_dead > 4) {
			fprintf(stderr, "watchdog: lockup detected, aborting\n");
			// we can't do any cleanup here really, the main thread is
			// likely touching resources and would crash anyway
			abort();
		}
	}
}

void pl_start_watchdog(void)
{
	pthread_attr_t attr;
	pthread_t tid;
	int ret;
	
	pthread_attr_init(&attr);
	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

	ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
	if (ret != 0)
		fprintf(stderr, "could not start watchdog: %d\n", ret);
}

void pl_init(void)
{
	extern unsigned int hSyncCount; // from psxcounters
	extern unsigned int frame_counter;

	psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
	psx_bpp = pl_vout_bpp = 16;

	tsdev = pl_gun_ts_init();

	pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
	pl_rearmed_cbs.gpu_frame_count = &frame_counter;
}
Commit	Line	Data
	1	/*
	2	* (C) notaz, 2010-2011
	3	*
	4	* This work is licensed under the terms of the GNU GPLv2 or later.
	5	* See the COPYING file in the top-level directory.
	6	*/
	7
	8	#include <stdio.h>
	9	#include <stdlib.h>
	10	#include <string.h>
	11	#include <stdarg.h>
	12	#include <stdint.h>
	13	#include <sys/time.h>
	14	#include <sys/types.h>
	15	#include <sys/stat.h>
	16	#include <fcntl.h>
	17	#include <unistd.h>
	18	#include <pthread.h>
	19
	20	#include "plugin_lib.h"
	21	#include "linux/fbdev.h"
	22	#include "common/fonts.h"
	23	#include "common/input.h"
	24	#include "common/plat.h"
	25	#include "menu.h"
	26	#include "main.h"
	27	#include "plat.h"
	28	#include "pcnt.h"
	29	#include "pl_gun_ts.h"
	30	#include "../libpcsxcore/new_dynarec/new_dynarec.h"
	31	#include "../libpcsxcore/psemu_plugin_defs.h"
	32
	33	int in_type1, in_type2;
	34	int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
	35	int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
	36	int in_keystate, in_state_gun;
	37	int in_enable_vibration;
	38	void *tsdev;
	39	void *pl_vout_buf;
	40	int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
	41	static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
	42	static int psx_w, psx_h, psx_bpp;
	43	static int vsync_cnt;
	44	static int is_pal, frame_interval, frame_interval1024;
	45	static int vsync_usec_time;
	46
	47
	48	static __attribute__((noinline)) int get_cpu_ticks(void)
	49	{
	50	static unsigned long last_utime;
	51	static int fd;
	52	unsigned long utime, ret;
	53	char buf[128];
	54
	55	if (fd == 0)
	56	fd = open("/proc/self/stat", O_RDONLY);
	57	lseek(fd, 0, SEEK_SET);
	58	buf[0] = 0;
	59	read(fd, buf, sizeof(buf));
	60	buf[sizeof(buf) - 1] = 0;
	61
	62	sscanf(buf, "%d %s %c %d %d %d %d %d %u %u %u %u %*u %lu", &utime);
	63	ret = utime - last_utime;
	64	last_utime = utime;
	65	return ret;
	66	}
	67
	68	static void print_msg(int h, int border)
	69	{
	70	if (pl_vout_bpp == 16)
	71	pl_text_out16(border + 2, h - 10, "%s", hud_msg);
	72	}
	73
	74	static void print_fps(int h, int border)
	75	{
	76	if (pl_vout_bpp == 16)
	77	pl_text_out16(border + 2, h - 10, "%2d %4.1f",
	78	pl_rearmed_cbs.flips_per_sec, pl_rearmed_cbs.vsps_cur);
	79	}
	80
	81	static void print_cpu_usage(int w, int h, int border)
	82	{
	83	if (pl_vout_bpp == 16)
	84	pl_text_out16(w - border - 28, h - 10, "%3d", pl_rearmed_cbs.cpu_usage);
	85	}
	86
	87	// draw 192x8 status of 24 sound channels
	88	static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
	89	{
	90	extern void spu_get_debug_info(int chans_out, int run_chans,
	91	int fmod_chans_out, int noise_chans_out); // hack
	92	int live_chans, run_chans, fmod_chans, noise_chans;
	93
	94	static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
	95	unsigned short dest = (unsigned short )pl_vout_buf +
	96	vout_w * (vout_h - 10) + vout_w / 2 - 192/2;
	97	unsigned short *d, p;
	98	int c, x, y;
	99
	100	if (pl_vout_bpp != 16)
	101	return;
	102
	103	spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
	104
	105	for (c = 0; c < 24; c++) {
	106	d = dest + c * 8;
	107	p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
	108	(fmod_chans & (1<<c)) ? 0xf000 :
	109	(noise_chans & (1<<c)) ? 0x001f :
	110	colors[c & 1];
	111	for (y = 0; y < 8; y++, d += vout_w)
	112	for (x = 0; x < 8; x++)
	113	d[x] = p;
	114	}
	115	}
	116
	117	void pl_print_hud(int xborder)
	118	{
	119	int w = pl_vout_w, h = pl_vout_h;
	120
	121	if (h < 16)
	122	return;
	123
	124	if (g_opts & OPT_SHOWSPU)
	125	draw_active_chans(w, h);
	126
	127	if (hud_msg[0] != 0)
	128	print_msg(h, xborder);
	129	else if (g_opts & OPT_SHOWFPS)
	130	print_fps(h, xborder);
	131
	132	if (g_opts & OPT_SHOWCPU)
	133	print_cpu_usage(w, h, xborder);
	134	}
	135
	136	/* update scaler target size according to user settings */
	137	static void update_layer_size(int w, int h)
	138	{
	139	float mult;
	140	int imult;
	141
	142	switch (g_scaler) {
	143	case SCALE_1_1:
	144	g_layer_w = w; g_layer_h = h;
	145	break;
	146
	147	case SCALE_4_3v2:
	148	if (h > g_menuscreen_h \|\| (240 < h && h <= 360))
	149	goto fractional_4_3;
	150
	151	// 4:3 that prefers integer scaling
	152	imult = g_menuscreen_h / h;
	153	g_layer_w = w * imult;
	154	g_layer_h = h * imult;
	155	mult = (float)g_layer_w / (float)g_layer_h;
	156	if (mult < 1.25f \|\| mult > 1.666f)
	157	g_layer_w = 4.0f/3.0f * (float)g_layer_h;
	158	printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
	159	break;
	160
	161	fractional_4_3:
	162	case SCALE_4_3:
	163	mult = 240.0f / (float)h * 4.0f / 3.0f;
	164	if (h > 256)
	165	mult *= 2.0f;
	166	g_layer_w = mult * (float)g_menuscreen_h;
	167	g_layer_h = g_menuscreen_h;
	168	printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
	169	break;
	170
	171	case SCALE_FULLSCREEN:
	172	g_layer_w = g_menuscreen_w;
	173	g_layer_h = g_menuscreen_h;
	174	break;
	175
	176	default:
	177	break;
	178	}
	179
	180	g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
	181	g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
	182	if (g_layer_x < 0) g_layer_x = 0;
	183	if (g_layer_y < 0) g_layer_y = 0;
	184	if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
	185	if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
	186	}
	187
	188	static void *pl_vout_set_mode(int w, int h, int bpp)
	189	{
	190	// special h handling, Wipeout likes to change it by 1-6
	191	static int vsync_cnt_ms_prev;
	192	if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
	193	h = (h + 7) & ~7;
	194	vsync_cnt_ms_prev = vsync_cnt;
	195
	196	if (w == psx_w && h == psx_h && bpp == psx_bpp)
	197	return pl_vout_buf;
	198
	199	pl_vout_w = psx_w = w;
	200	pl_vout_h = psx_h = h;
	201	pl_vout_bpp = psx_bpp = bpp;
	202
	203	update_layer_size(pl_vout_w, pl_vout_h);
	204
	205	pl_vout_buf = plat_gvideo_set_mode(&pl_vout_w, &pl_vout_h, &pl_vout_bpp);
	206	if (pl_vout_buf == NULL && pl_rearmed_cbs.pl_vout_raw_flip == NULL)
	207	fprintf(stderr, "failed to set mode %dx%d@%d\n",
	208	psx_w, psx_h, psx_bpp);
	209
	210	menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);
	211
	212	return pl_vout_buf;
	213	}
	214
	215	// only used if raw flip is not defined
	216	static void *pl_vout_flip(void)
	217	{
	218	pl_rearmed_cbs.flip_cnt++;
	219
	220	if (pl_vout_buf != NULL)
	221	pl_print_hud(0);
	222
	223	// let's flip now
	224	pl_vout_buf = plat_gvideo_flip();
	225	return pl_vout_buf;
	226	}
	227
	228	static int pl_vout_open(void)
	229	{
	230	struct timeval now;
	231	int h;
	232
	233	// force mode update
	234	h = psx_h;
	235	psx_h--;
	236	pl_vout_buf = pl_vout_set_mode(psx_w, h, psx_bpp);
	237
	238	plat_gvideo_open(is_pal);
	239
	240	gettimeofday(&now, 0);
	241	vsync_usec_time = now.tv_usec;
	242	while (vsync_usec_time >= frame_interval)
	243	vsync_usec_time -= frame_interval;
	244
	245	return 0;
	246	}
	247
	248	static void pl_vout_close(void)
	249	{
	250	plat_gvideo_close();
	251	}
	252
	253	void pl_prepare_screenshot(int w, int h, int bpp)
	254	{
	255	void *ret = plat_prepare_screenshot(w, h, bpp);
	256	if (ret != NULL)
	257	return ret;
	258
	259	*w = pl_vout_w;
	260	*h = pl_vout_h;
	261	*bpp = pl_vout_bpp;
	262
	263	return pl_vout_buf;
	264	}
	265
	266	#ifndef MAEMO
	267	static void update_analogs(void)
	268	{
	269	int *nubp[2] = { in_a1, in_a2 };
	270	int i, a, v, ret;
	271
	272	for (i = 0; i < 2; i++)
	273	{
	274	if (in_adev[i] < 0)
	275	continue;
	276
	277	for (a = 0; a < 2; a++) {
	278	nubp[i][a] = 127;
	279
	280	ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
	281	if (ret == 0) {
	282	v = v / (IN_ABS_RANGE / 128) + 127;
	283	nubp[i][a] = v < 0 ? 0 : v;
	284	}
	285	}
	286	}
	287	//printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
	288	}
	289
	290	static void update_input(void)
	291	{
	292	int actions[IN_BINDTYPE_COUNT] = { 0, };
	293	unsigned int emu_act;
	294
	295	in_update(actions);
	296	if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
	297	update_analogs();
	298	emu_act = actions[IN_BINDTYPE_EMU];
	299	in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
	300
	301	emu_act &= ~SACTION_GUN_MASK;
	302	if (emu_act) {
	303	int which = 0;
	304	for (; !(emu_act & 1); emu_act >>= 1, which++)
	305	;
	306	emu_act = which;
	307	}
	308	emu_set_action(emu_act);
	309
	310	in_keystate = actions[IN_BINDTYPE_PLAYER12];
	311	#ifdef X11
	312	extern int x11_update_keys(unsigned int *action);
	313	in_keystate \|= x11_update_keys(&emu_act);
	314	emu_set_action(emu_act);
	315	#endif
	316	}
	317	#else /* MAEMO */
	318	static void update_input(void)
	319	{
	320	}
	321	#endif
	322
	323	void pl_update_gun(int xn, int xres, int y, int in)
	324	{
	325	if (tsdev)
	326	pl_gun_ts_update(tsdev, xn, y, in);
	327
	328	*xres = pl_vout_w;
	329	y = y * pl_vout_h >> 10;
	330	}
	331
	332	#define MAX_LAG_FRAMES 3
	333
	334	#define tvdiff(tv, tv_old) \
	335	((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
	336
	337	/* called on every vsync */
	338	void pl_frame_limit(void)
	339	{
	340	static struct timeval tv_old, tv_expect;
	341	static int vsync_cnt_prev, drc_active_vsyncs;
	342	struct timeval now;
	343	int diff, usadj;
	344
	345	vsync_cnt++;
	346
	347	/* doing input here because the pad is polled
	348	* thousands of times per frame for some reason */
	349	update_input();
	350
	351	pcnt_end(PCNT_ALL);
	352	gettimeofday(&now, 0);
	353
	354	if (now.tv_sec != tv_old.tv_sec) {
	355	diff = tvdiff(now, tv_old);
	356	pl_rearmed_cbs.vsps_cur = 0.0f;
	357	if (0 < diff && diff < 2000000)
	358	pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
	359	vsync_cnt_prev = vsync_cnt;
	360
	361	if (g_opts & OPT_SHOWFPS)
	362	pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
	363	pl_rearmed_cbs.flip_cnt = 0;
	364	if (g_opts & OPT_SHOWCPU)
	365	pl_rearmed_cbs.cpu_usage = get_cpu_ticks();
	366
	367	if (hud_new_msg > 0) {
	368	hud_new_msg--;
	369	if (hud_new_msg == 0)
	370	hud_msg[0] = 0;
	371	}
	372	tv_old = now;
	373	}
	374	#ifdef PCNT
	375	static int ya_vsync_count;
	376	if (++ya_vsync_count == PCNT_FRAMES) {
	377	pcnt_print(pl_rearmed_cbs.vsps_cur);
	378	ya_vsync_count = 0;
	379	}
	380	#endif
	381
	382	// tv_expect uses usec*1024 units instead of usecs for better accuracy
	383	tv_expect.tv_usec += frame_interval1024;
	384	if (tv_expect.tv_usec >= (1000000 << 10)) {
	385	tv_expect.tv_usec -= (1000000 << 10);
	386	tv_expect.tv_sec++;
	387	}
	388	diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
	389
	390	if (diff > MAX_LAG_FRAMES * frame_interval \|\| diff < -MAX_LAG_FRAMES * frame_interval) {
	391	//printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
	392	tv_expect = now;
	393	diff = 0;
	394	// try to align with vsync
	395	usadj = vsync_usec_time;
	396	while (usadj < tv_expect.tv_usec - frame_interval)
	397	usadj += frame_interval;
	398	tv_expect.tv_usec = usadj << 10;
	399	}
	400
	401	if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
	402	// yay for working usleep on pandora!
	403	//printf("usleep %d\n", diff - frame_interval / 2);
	404	usleep(diff - frame_interval);
	405	}
	406
	407	if (pl_rearmed_cbs.frameskip) {
	408	if (diff < -frame_interval)
	409	pl_rearmed_cbs.fskip_advice = 1;
	410	else if (diff >= 0)
	411	pl_rearmed_cbs.fskip_advice = 0;
	412
	413	// recompilation is not that fast and may cause frame skip on
	414	// loading screens and such, resulting in flicker or glitches
	415	if (new_dynarec_did_compile) {
	416	if (drc_active_vsyncs < 32)
	417	pl_rearmed_cbs.fskip_advice = 0;
	418	drc_active_vsyncs++;
	419	}
	420	else
	421	drc_active_vsyncs = 0;
	422	new_dynarec_did_compile = 0;
	423	}
	424
	425	pcnt_start(PCNT_ALL);
	426	}
	427
	428	void pl_timing_prepare(int is_pal_)
	429	{
	430	pl_rearmed_cbs.fskip_advice = 0;
	431	pl_rearmed_cbs.flips_per_sec = 0;
	432	pl_rearmed_cbs.cpu_usage = 0;
	433
	434	is_pal = is_pal_;
	435	frame_interval = is_pal ? 20000 : 16667;
	436	frame_interval1024 = is_pal ? 20000*1024 : 17066667;
	437
	438	// used by P.E.Op.S. frameskip code
	439	pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
	440	pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
	441	(100000100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz100));
	442	}
	443
	444	static void pl_text_out16_(int x, int y, const char *text)
	445	{
	446	int i, l, len = strlen(text), w = pl_vout_w;
	447	unsigned short screen = (unsigned short )pl_vout_buf + x + y * w;
	448	unsigned short val = 0xffff;
	449
	450	for (i = 0; i < len; i++, screen += 8)
	451	{
	452	for (l = 0; l < 8; l++)
	453	{
	454	unsigned char fd = fontdata8x8[text[i] * 8 + l];
	455	unsigned short s = screen + l w;
	456	if (fd&0x80) s[0] = val;
	457	if (fd&0x40) s[1] = val;
	458	if (fd&0x20) s[2] = val;
	459	if (fd&0x10) s[3] = val;
	460	if (fd&0x08) s[4] = val;
	461	if (fd&0x04) s[5] = val;
	462	if (fd&0x02) s[6] = val;
	463	if (fd&0x01) s[7] = val;
	464	}
	465	}
	466	}
	467
	468	void pl_text_out16(int x, int y, const char *texto, ...)
	469	{
	470	va_list args;
	471	char buffer[256];
	472
	473	va_start(args, texto);
	474	vsnprintf(buffer, sizeof(buffer), texto, args);
	475	va_end(args);
	476
	477	pl_text_out16_(x, y, buffer);
	478	}
	479
	480	static void pl_get_layer_pos(int x, int y, int w, int h)
	481	{
	482	*x = g_layer_x;
	483	*y = g_layer_y;
	484	*w = g_layer_w;
	485	*h = g_layer_h;
	486	}
	487
	488	static void *pl_mmap(unsigned int size)
	489	{
	490	return plat_mmap(0, size, 0, 0);
	491	}
	492
	493	static void pl_munmap(void *ptr, unsigned int size)
	494	{
	495	plat_munmap(ptr, size);
	496	}
	497
	498	struct rearmed_cbs pl_rearmed_cbs = {
	499	pl_get_layer_pos,
	500	pl_vout_open,
	501	pl_vout_set_mode,
	502	pl_vout_flip,
	503	pl_vout_close,
	504	pl_mmap,
	505	pl_munmap,
	506	};
	507
	508	/* watchdog */
	509	static void watchdog_thread(void unused)
	510	{
	511	int vsync_cnt_old = 0;
	512	int seen_dead = 0;
	513	int sleep_time = 5;
	514
	515	#if !defined(NDEBUG) \|\| defined(DRC_DBG)
	516	// don't interfere with debug
	517	return NULL;
	518	#endif
	519	while (1)
	520	{
	521	sleep(sleep_time);
	522
	523	if (stop) {
	524	seen_dead = 0;
	525	sleep_time = 5;
	526	continue;
	527	}
	528	if (vsync_cnt != vsync_cnt_old) {
	529	vsync_cnt_old = vsync_cnt;
	530	seen_dead = 0;
	531	sleep_time = 2;
	532	continue;
	533	}
	534
	535	seen_dead++;
	536	sleep_time = 1;
	537	if (seen_dead > 1)
	538	fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
	539	if (seen_dead > 4) {
	540	fprintf(stderr, "watchdog: lockup detected, aborting\n");
	541	// we can't do any cleanup here really, the main thread is
	542	// likely touching resources and would crash anyway
	543	abort();
	544	}
	545	}
	546	}
	547
	548	void pl_start_watchdog(void)
	549	{
	550	pthread_attr_t attr;
	551	pthread_t tid;
	552	int ret;
	553
	554	pthread_attr_init(&attr);
	555	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
	556
	557	ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
	558	if (ret != 0)
	559	fprintf(stderr, "could not start watchdog: %d\n", ret);
	560	}
	561
	562	void pl_init(void)
	563	{
	564	extern unsigned int hSyncCount; // from psxcounters
	565	extern unsigned int frame_counter;
	566
	567	psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
	568	psx_bpp = pl_vout_bpp = 16;
	569
	570	tsdev = pl_gun_ts_init();
	571
	572	pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
	573	pl_rearmed_cbs.gpu_frame_count = &frame_counter;
	574	}