[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 "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);
}

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;

	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;
}

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

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