add fixed frameskip option
[pcsx_rearmed.git] / frontend / plugin_lib.c
CommitLineData
b60f2812 1/*
8f892648 2 * (C) notaz, 2010-2011
b60f2812 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>
69af03a2 10#include <string.h>
11#include <stdarg.h>
799b0b87 12#include <stdint.h>
72228559 13#include <sys/time.h>
14#include <sys/types.h>
15#include <sys/stat.h>
16#include <fcntl.h>
17#include <unistd.h>
7c0f51de 18#include <pthread.h>
b60f2812 19
72228559 20#include "plugin_lib.h"
b60f2812 21#include "linux/fbdev.h"
69af03a2 22#include "common/fonts.h"
23#include "common/input.h"
24#include "omap.h"
3c70c47b 25#include "menu.h"
8f892648 26#include "main.h"
72228559 27#include "pcnt.h"
4c08b9e7 28#include "pl_gun_ts.h"
69af03a2 29#include "../libpcsxcore/new_dynarec/new_dynarec.h"
799b0b87 30#include "../libpcsxcore/psemu_plugin_defs.h"
b60f2812 31
4c08b9e7 32int in_type1, in_type2;
33int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
34int in_keystate, in_state_gun;
35static void *ts;
76f7048e 36void *pl_vout_buf;
37static int pl_vout_w, pl_vout_h, pl_vout_bpp;
bce6b056 38static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec;
39static float vsps_cur;
76f7048e 40static int frame_interval, frame_interval1024, vsync_usec_time;
72228559 41
4c08b9e7 42
43static __attribute__((noinline)) int get_cpu_ticks(void)
72228559 44{
45 static unsigned long last_utime;
46 static int fd;
47 unsigned long utime, ret;
48 char buf[128];
49
50 if (fd == 0)
51 fd = open("/proc/self/stat", O_RDONLY);
52 lseek(fd, 0, SEEK_SET);
53 buf[0] = 0;
54 read(fd, buf, sizeof(buf));
55 buf[sizeof(buf) - 1] = 0;
56
57 sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
58 ret = utime - last_utime;
59 last_utime = utime;
60 return ret;
61}
62
8f892648 63static void print_hud(void)
64{
76f7048e 65 if (pl_vout_bpp == 16)
66 pl_text_out16(2, pl_vout_h - 10, "%s", hud_msg);
8f892648 67}
68
72228559 69static void print_fps(void)
70{
76f7048e 71 if (pl_vout_bpp == 16)
72 pl_text_out16(2, pl_vout_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur);
72228559 73}
74
75static void print_cpu_usage(void)
76{
76f7048e 77 if (pl_vout_bpp == 16)
78 pl_text_out16(pl_vout_w - 28, pl_vout_h - 10, "%3d", tick_per_sec);
72228559 79}
b60f2812 80
90f1d26c 81// draw 192x8 status of 24 sound channels
82static __attribute__((noinline)) void draw_active_chans(void)
83{
84 extern void spu_get_debug_info(int *chans_out, int *fmod_chans_out, int *noise_chans_out); // hack
85 int live_chans, fmod_chans, noise_chans;
86
87 static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
76f7048e 88 unsigned short *dest = (unsigned short *)pl_vout_buf +
89 pl_vout_w * (pl_vout_h - 10) + pl_vout_w / 2 - 192/2;
90f1d26c 90 unsigned short *d, p;
91 int c, x, y;
92
76f7048e 93 if (pl_vout_bpp != 16)
90f1d26c 94 return;
95
96 spu_get_debug_info(&live_chans, &fmod_chans, &noise_chans);
97
98 for (c = 0; c < 24; c++) {
99 d = dest + c * 8;
100 p = !(live_chans & (1<<c)) ? 0 :
101 (fmod_chans & (1<<c)) ? 0xf000 :
102 (noise_chans & (1<<c)) ? 0x001f :
103 colors[c & 1];
76f7048e 104 for (y = 0; y < 8; y++, d += pl_vout_w)
90f1d26c 105 for (x = 0; x < 8; x++)
106 d[x] = p;
107 }
108}
109
76f7048e 110static void *pl_vout_set_mode(int w, int h, int bpp)
69af03a2 111{
a185be70 112 // special h handling, Wipeout likes to change it by 1-6
113 h = (h + 7) & ~7;
114
76f7048e 115 if (w == pl_vout_w && h == pl_vout_h && bpp == pl_vout_bpp)
116 return pl_vout_buf;
b60f2812 117
76f7048e 118 pl_vout_w = w;
119 pl_vout_h = h;
120 pl_vout_bpp = bpp;
d352cde2 121
76f7048e 122#if defined(VOUT_FBDEV)
d352cde2 123 vout_fbdev_clear(layer_fb);
76f7048e 124 pl_vout_buf = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3);
125#elif defined(MAEMO)
126 extern void *hildon_set_mode(int w, int h);
127 pl_vout_buf = hildon_set_mode(w, h);
128#endif
d352cde2 129
76f7048e 130 if (pl_vout_buf == NULL)
131 fprintf(stderr, "failed to set mode\n");
a185be70 132
133 // menu decides on layer size, we commit it
bd6267e6 134 menu_notify_mode_change(w, h, bpp);
a185be70 135 omap_enable_layer(1);
3c70c47b 136
76f7048e 137 return pl_vout_buf;
69af03a2 138}
139
76f7048e 140static void *pl_vout_flip(void)
69af03a2 141{
72228559 142 flip_cnt++;
297b3d63 143
76f7048e 144 if (pl_vout_buf != NULL) {
90f1d26c 145 if (g_opts & OPT_SHOWSPU)
146 draw_active_chans();
147
8f892648 148 if (hud_msg[0] != 0)
149 print_hud();
150 else if (g_opts & OPT_SHOWFPS)
297b3d63 151 print_fps();
8f892648 152
297b3d63 153 if (g_opts & OPT_SHOWCPU)
154 print_cpu_usage();
155 }
72228559 156
69af03a2 157 // let's flip now
76f7048e 158#if defined(VOUT_FBDEV)
159 pl_vout_buf = vout_fbdev_flip(layer_fb);
160#elif defined(MAEMO)
161 extern void *hildon_flip(void);
162 pl_vout_buf = hildon_flip();
163#endif
164 return pl_vout_buf;
b60f2812 165}
166
76f7048e 167static int pl_vout_open(void)
6d1a1ac2 168{
cefe86b7 169 struct timeval now;
170
6d1a1ac2 171 omap_enable_layer(1);
76f7048e 172#if defined(VOUT_FBDEV)
173 pl_vout_buf = vout_fbdev_flip(layer_fb);
cefe86b7 174
175 // try to align redraws to vsync
176 vout_fbdev_wait_vsync(layer_fb);
76f7048e 177#elif defined(MAEMO)
178 extern void *hildon_flip(void);
179 pl_vout_buf = hildon_flip();
180#endif
181
cefe86b7 182 gettimeofday(&now, 0);
183 vsync_usec_time = now.tv_usec;
76f7048e 184 while (vsync_usec_time >= frame_interval)
185 vsync_usec_time -= frame_interval;
cefe86b7 186
6d1a1ac2 187 return 0;
188}
189
76f7048e 190static void pl_vout_close(void)
b60f2812 191{
6d1a1ac2 192 omap_enable_layer(0);
b60f2812 193}
194
29a8c4f3 195void *pl_prepare_screenshot(int *w, int *h, int *bpp)
196{
76f7048e 197 *w = pl_vout_w;
198 *h = pl_vout_h;
199 *bpp = pl_vout_bpp;
29a8c4f3 200
76f7048e 201 return pl_vout_buf;
29a8c4f3 202}
203
15d46930 204static void update_input(void)
205{
76f7048e 206#ifndef MAEMO
15d46930 207 int actions[IN_BINDTYPE_COUNT] = { 0, };
8f892648 208 unsigned int emu_act;
15d46930 209
210 in_update(actions);
4c08b9e7 211 if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
799b0b87 212 in_update_analogs();
8f892648 213 emu_act = actions[IN_BINDTYPE_EMU];
4c08b9e7 214 in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
215
216 emu_act &= ~SACTION_GUN_MASK;
8f892648 217 if (emu_act) {
218 int which = 0;
219 for (; !(emu_act & 1); emu_act >>= 1, which++)
220 ;
221 emu_act = which;
222 }
223 emu_set_action(emu_act);
224
799b0b87 225 in_keystate = actions[IN_BINDTYPE_PLAYER12];
76f7048e 226#endif
447783f8 227#ifdef X11
4218954f 228 extern int x11_update_keys(unsigned int *action);
229 in_keystate |= x11_update_keys(&emu_act);
230 emu_set_action(emu_act);
447783f8 231#endif
15d46930 232}
233
4c08b9e7 234void pl_update_gun(int *xn, int *xres, int *y, int *in)
235{
236 if (ts)
237 pl_gun_ts_update(ts, xn, y, in);
238
76f7048e 239 *xres = pl_vout_w;
240 *y = *y * pl_vout_h >> 10;
4c08b9e7 241}
242
bce6b056 243#define MAX_LAG_FRAMES 3
244
245#define tvdiff(tv, tv_old) \
246 ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
bce6b056 247
72228559 248/* called on every vsync */
249void pl_frame_limit(void)
250{
bce6b056 251 static struct timeval tv_old, tv_expect;
7c0f51de 252 static int vsync_cnt_prev;
bce6b056 253 struct timeval now;
cefe86b7 254 int diff, usadj;
bce6b056 255
256 vsync_cnt++;
72228559 257
15d46930 258 /* doing input here because the pad is polled
259 * thousands of times per frame for some reason */
260 update_input();
261
72228559 262 pcnt_end(PCNT_ALL);
bce6b056 263 gettimeofday(&now, 0);
72228559 264
bce6b056 265 if (now.tv_sec != tv_old.tv_sec) {
266 diff = tvdiff(now, tv_old);
267 vsps_cur = 0.0f;
268 if (0 < diff && diff < 2000000)
7c0f51de 269 vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
270 vsync_cnt_prev = vsync_cnt;
72228559 271 flips_per_sec = flip_cnt;
7c0f51de 272 flip_cnt = 0;
bce6b056 273 tv_old = now;
bd6267e6 274 if (g_opts & OPT_SHOWCPU)
275 tick_per_sec = get_cpu_ticks();
8f892648 276
277 if (hud_new_msg > 0) {
278 hud_new_msg--;
279 if (hud_new_msg == 0)
280 hud_msg[0] = 0;
281 }
72228559 282 }
283#ifdef PCNT
284 static int ya_vsync_count;
285 if (++ya_vsync_count == PCNT_FRAMES) {
bce6b056 286 pcnt_print(vsps_cur);
72228559 287 ya_vsync_count = 0;
288 }
289#endif
290
76f7048e 291 // tv_expect uses usec*1024 units instead of usecs for better accuracy
292 tv_expect.tv_usec += frame_interval1024;
293 if (tv_expect.tv_usec >= (1000000 << 10)) {
294 tv_expect.tv_usec -= (1000000 << 10);
295 tv_expect.tv_sec++;
296 }
297 diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
298
299 if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
300 //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
c89cd762 301 tv_expect = now;
302 diff = 0;
cefe86b7 303 // try to align with vsync
304 usadj = vsync_usec_time;
76f7048e 305 while (usadj < tv_expect.tv_usec - frame_interval)
306 usadj += frame_interval;
307 tv_expect.tv_usec = usadj << 10;
c89cd762 308 }
309
76f7048e 310 if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
c89cd762 311 // yay for working usleep on pandora!
76f7048e 312 //printf("usleep %d\n", diff - frame_interval / 2);
313 usleep(diff - frame_interval / 2);
c89cd762 314 }
315
e64dc4c5 316 if (pl_rearmed_cbs.frameskip) {
76f7048e 317 if (diff < -frame_interval)
e64dc4c5 318 pl_rearmed_cbs.fskip_advice = 1;
319 else if (diff >= 0)
320 pl_rearmed_cbs.fskip_advice = 0;
bce6b056 321 }
72228559 322
323 pcnt_start(PCNT_ALL);
324}
325
76f7048e 326void pl_timing_prepare(int is_pal)
327{
328 pl_rearmed_cbs.fskip_advice = 0;
329
330 frame_interval = is_pal ? 20000 : 16667;
331 frame_interval1024 = is_pal ? 20000*1024 : 17066667;
332
333 // used by P.E.Op.S. frameskip code
334 pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
335 pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
336 (100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
337}
338
69af03a2 339static void pl_text_out16_(int x, int y, const char *text)
b60f2812 340{
76f7048e 341 int i, l, len = strlen(text), w = pl_vout_w;
342 unsigned short *screen = (unsigned short *)pl_vout_buf + x + y * w;
69af03a2 343 unsigned short val = 0xffff;
344
345 for (i = 0; i < len; i++, screen += 8)
346 {
347 for (l = 0; l < 8; l++)
348 {
349 unsigned char fd = fontdata8x8[text[i] * 8 + l];
350 unsigned short *s = screen + l * w;
351 if (fd&0x80) s[0] = val;
352 if (fd&0x40) s[1] = val;
353 if (fd&0x20) s[2] = val;
354 if (fd&0x10) s[3] = val;
355 if (fd&0x08) s[4] = val;
356 if (fd&0x04) s[5] = val;
357 if (fd&0x02) s[6] = val;
358 if (fd&0x01) s[7] = val;
359 }
360 }
b60f2812 361}
362
69af03a2 363void pl_text_out16(int x, int y, const char *texto, ...)
b60f2812 364{
69af03a2 365 va_list args;
366 char buffer[256];
367
368 va_start(args, texto);
369 vsnprintf(buffer, sizeof(buffer), texto, args);
370 va_end(args);
371
372 pl_text_out16_(x, y, buffer);
b60f2812 373}
374
201c21e2 375static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
376{
377 *x = g_layer_x;
378 *y = g_layer_y;
379 *w = g_layer_w;
380 *h = g_layer_h;
381}
382
e64dc4c5 383struct rearmed_cbs pl_rearmed_cbs = {
201c21e2 384 pl_get_layer_pos,
76f7048e 385 pl_vout_open,
386 pl_vout_set_mode,
387 pl_vout_flip,
388 pl_vout_close,
201c21e2 389};
390
7c0f51de 391/* watchdog */
392static void *watchdog_thread(void *unused)
393{
394 int vsync_cnt_old = 0;
395 int seen_dead = 0;
396 int sleep_time = 5;
397
799b0b87 398#ifndef NDEBUG
399 // don't interfere with debug
400 return NULL;
401#endif
7c0f51de 402 while (1)
403 {
404 sleep(sleep_time);
405
406 if (stop) {
407 seen_dead = 0;
408 sleep_time = 5;
409 continue;
410 }
411 if (vsync_cnt != vsync_cnt_old) {
412 vsync_cnt_old = vsync_cnt;
413 seen_dead = 0;
414 sleep_time = 2;
415 continue;
416 }
417
418 seen_dead++;
419 sleep_time = 1;
420 if (seen_dead > 1)
421 fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
422 if (seen_dead > 4) {
423 fprintf(stderr, "watchdog: lockup detected, aborting\n");
424 // we can't do any cleanup here really, the main thread is
425 // likely touching resources and would crash anyway
426 abort();
427 }
428 }
429}
430
431void pl_start_watchdog(void)
432{
433 pthread_attr_t attr;
434 pthread_t tid;
435 int ret;
436
437 pthread_attr_init(&attr);
438 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
439
440 ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
441 if (ret != 0)
442 fprintf(stderr, "could not start watchdog: %d\n", ret);
443}
444
4c08b9e7 445void pl_init(void)
446{
447 ts = pl_gun_ts_init();
448}