spu: handle loop write vs loop flag race (bIgnoreLoop alternative)
[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{
174c454a 84 extern void spu_get_debug_info(int *chans_out, int *run_chans,
85 int *fmod_chans_out, int *noise_chans_out); // hack
86 int live_chans, run_chans, fmod_chans, noise_chans;
90f1d26c 87
88 static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
76f7048e 89 unsigned short *dest = (unsigned short *)pl_vout_buf +
90 pl_vout_w * (pl_vout_h - 10) + pl_vout_w / 2 - 192/2;
90f1d26c 91 unsigned short *d, p;
92 int c, x, y;
93
76f7048e 94 if (pl_vout_bpp != 16)
90f1d26c 95 return;
96
174c454a 97 spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
90f1d26c 98
99 for (c = 0; c < 24; c++) {
100 d = dest + c * 8;
174c454a 101 p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
90f1d26c 102 (fmod_chans & (1<<c)) ? 0xf000 :
103 (noise_chans & (1<<c)) ? 0x001f :
104 colors[c & 1];
76f7048e 105 for (y = 0; y < 8; y++, d += pl_vout_w)
90f1d26c 106 for (x = 0; x < 8; x++)
107 d[x] = p;
108 }
109}
110
76f7048e 111static void *pl_vout_set_mode(int w, int h, int bpp)
69af03a2 112{
a185be70 113 // special h handling, Wipeout likes to change it by 1-6
114 h = (h + 7) & ~7;
115
76f7048e 116 if (w == pl_vout_w && h == pl_vout_h && bpp == pl_vout_bpp)
117 return pl_vout_buf;
b60f2812 118
76f7048e 119 pl_vout_w = w;
120 pl_vout_h = h;
121 pl_vout_bpp = bpp;
d352cde2 122
76f7048e 123#if defined(VOUT_FBDEV)
d352cde2 124 vout_fbdev_clear(layer_fb);
76f7048e 125 pl_vout_buf = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3);
126#elif defined(MAEMO)
127 extern void *hildon_set_mode(int w, int h);
128 pl_vout_buf = hildon_set_mode(w, h);
129#endif
d352cde2 130
76f7048e 131 if (pl_vout_buf == NULL)
132 fprintf(stderr, "failed to set mode\n");
a185be70 133
134 // menu decides on layer size, we commit it
bd6267e6 135 menu_notify_mode_change(w, h, bpp);
a185be70 136 omap_enable_layer(1);
3c70c47b 137
76f7048e 138 return pl_vout_buf;
69af03a2 139}
140
76f7048e 141static void *pl_vout_flip(void)
69af03a2 142{
72228559 143 flip_cnt++;
297b3d63 144
76f7048e 145 if (pl_vout_buf != NULL) {
90f1d26c 146 if (g_opts & OPT_SHOWSPU)
147 draw_active_chans();
148
8f892648 149 if (hud_msg[0] != 0)
150 print_hud();
151 else if (g_opts & OPT_SHOWFPS)
297b3d63 152 print_fps();
8f892648 153
297b3d63 154 if (g_opts & OPT_SHOWCPU)
155 print_cpu_usage();
156 }
72228559 157
69af03a2 158 // let's flip now
76f7048e 159#if defined(VOUT_FBDEV)
160 pl_vout_buf = vout_fbdev_flip(layer_fb);
161#elif defined(MAEMO)
162 extern void *hildon_flip(void);
163 pl_vout_buf = hildon_flip();
164#endif
165 return pl_vout_buf;
b60f2812 166}
167
76f7048e 168static int pl_vout_open(void)
6d1a1ac2 169{
cefe86b7 170 struct timeval now;
171
6d1a1ac2 172 omap_enable_layer(1);
76f7048e 173#if defined(VOUT_FBDEV)
174 pl_vout_buf = vout_fbdev_flip(layer_fb);
cefe86b7 175
176 // try to align redraws to vsync
177 vout_fbdev_wait_vsync(layer_fb);
76f7048e 178#elif defined(MAEMO)
179 extern void *hildon_flip(void);
180 pl_vout_buf = hildon_flip();
181#endif
182
cefe86b7 183 gettimeofday(&now, 0);
184 vsync_usec_time = now.tv_usec;
76f7048e 185 while (vsync_usec_time >= frame_interval)
186 vsync_usec_time -= frame_interval;
cefe86b7 187
6d1a1ac2 188 return 0;
189}
190
76f7048e 191static void pl_vout_close(void)
b60f2812 192{
6d1a1ac2 193 omap_enable_layer(0);
b60f2812 194}
195
29a8c4f3 196void *pl_prepare_screenshot(int *w, int *h, int *bpp)
197{
76f7048e 198 *w = pl_vout_w;
199 *h = pl_vout_h;
200 *bpp = pl_vout_bpp;
29a8c4f3 201
76f7048e 202 return pl_vout_buf;
29a8c4f3 203}
204
15d46930 205static void update_input(void)
206{
76f7048e 207#ifndef MAEMO
15d46930 208 int actions[IN_BINDTYPE_COUNT] = { 0, };
8f892648 209 unsigned int emu_act;
15d46930 210
211 in_update(actions);
4c08b9e7 212 if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
799b0b87 213 in_update_analogs();
8f892648 214 emu_act = actions[IN_BINDTYPE_EMU];
4c08b9e7 215 in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
216
217 emu_act &= ~SACTION_GUN_MASK;
8f892648 218 if (emu_act) {
219 int which = 0;
220 for (; !(emu_act & 1); emu_act >>= 1, which++)
221 ;
222 emu_act = which;
223 }
224 emu_set_action(emu_act);
225
799b0b87 226 in_keystate = actions[IN_BINDTYPE_PLAYER12];
76f7048e 227#endif
447783f8 228#ifdef X11
4218954f 229 extern int x11_update_keys(unsigned int *action);
230 in_keystate |= x11_update_keys(&emu_act);
231 emu_set_action(emu_act);
447783f8 232#endif
15d46930 233}
234
4c08b9e7 235void pl_update_gun(int *xn, int *xres, int *y, int *in)
236{
237 if (ts)
238 pl_gun_ts_update(ts, xn, y, in);
239
76f7048e 240 *xres = pl_vout_w;
241 *y = *y * pl_vout_h >> 10;
4c08b9e7 242}
243
bce6b056 244#define MAX_LAG_FRAMES 3
245
246#define tvdiff(tv, tv_old) \
247 ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
bce6b056 248
72228559 249/* called on every vsync */
250void pl_frame_limit(void)
251{
bce6b056 252 static struct timeval tv_old, tv_expect;
7c0f51de 253 static int vsync_cnt_prev;
bce6b056 254 struct timeval now;
cefe86b7 255 int diff, usadj;
bce6b056 256
257 vsync_cnt++;
72228559 258
15d46930 259 /* doing input here because the pad is polled
260 * thousands of times per frame for some reason */
261 update_input();
262
72228559 263 pcnt_end(PCNT_ALL);
bce6b056 264 gettimeofday(&now, 0);
72228559 265
bce6b056 266 if (now.tv_sec != tv_old.tv_sec) {
267 diff = tvdiff(now, tv_old);
268 vsps_cur = 0.0f;
269 if (0 < diff && diff < 2000000)
7c0f51de 270 vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
271 vsync_cnt_prev = vsync_cnt;
72228559 272 flips_per_sec = flip_cnt;
7c0f51de 273 flip_cnt = 0;
bce6b056 274 tv_old = now;
bd6267e6 275 if (g_opts & OPT_SHOWCPU)
276 tick_per_sec = get_cpu_ticks();
8f892648 277
278 if (hud_new_msg > 0) {
279 hud_new_msg--;
280 if (hud_new_msg == 0)
281 hud_msg[0] = 0;
282 }
72228559 283 }
284#ifdef PCNT
285 static int ya_vsync_count;
286 if (++ya_vsync_count == PCNT_FRAMES) {
bce6b056 287 pcnt_print(vsps_cur);
72228559 288 ya_vsync_count = 0;
289 }
290#endif
291
76f7048e 292 // tv_expect uses usec*1024 units instead of usecs for better accuracy
293 tv_expect.tv_usec += frame_interval1024;
294 if (tv_expect.tv_usec >= (1000000 << 10)) {
295 tv_expect.tv_usec -= (1000000 << 10);
296 tv_expect.tv_sec++;
297 }
298 diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
299
300 if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
301 //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
c89cd762 302 tv_expect = now;
303 diff = 0;
cefe86b7 304 // try to align with vsync
305 usadj = vsync_usec_time;
76f7048e 306 while (usadj < tv_expect.tv_usec - frame_interval)
307 usadj += frame_interval;
308 tv_expect.tv_usec = usadj << 10;
c89cd762 309 }
310
76f7048e 311 if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
c89cd762 312 // yay for working usleep on pandora!
76f7048e 313 //printf("usleep %d\n", diff - frame_interval / 2);
47f37583 314 usleep(diff - frame_interval);
c89cd762 315 }
316
e64dc4c5 317 if (pl_rearmed_cbs.frameskip) {
76f7048e 318 if (diff < -frame_interval)
e64dc4c5 319 pl_rearmed_cbs.fskip_advice = 1;
320 else if (diff >= 0)
321 pl_rearmed_cbs.fskip_advice = 0;
bce6b056 322 }
72228559 323
324 pcnt_start(PCNT_ALL);
325}
326
76f7048e 327void pl_timing_prepare(int is_pal)
328{
329 pl_rearmed_cbs.fskip_advice = 0;
330
331 frame_interval = is_pal ? 20000 : 16667;
332 frame_interval1024 = is_pal ? 20000*1024 : 17066667;
333
334 // used by P.E.Op.S. frameskip code
335 pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
336 pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
337 (100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
338}
339
69af03a2 340static void pl_text_out16_(int x, int y, const char *text)
b60f2812 341{
76f7048e 342 int i, l, len = strlen(text), w = pl_vout_w;
343 unsigned short *screen = (unsigned short *)pl_vout_buf + x + y * w;
69af03a2 344 unsigned short val = 0xffff;
345
346 for (i = 0; i < len; i++, screen += 8)
347 {
348 for (l = 0; l < 8; l++)
349 {
350 unsigned char fd = fontdata8x8[text[i] * 8 + l];
351 unsigned short *s = screen + l * w;
352 if (fd&0x80) s[0] = val;
353 if (fd&0x40) s[1] = val;
354 if (fd&0x20) s[2] = val;
355 if (fd&0x10) s[3] = val;
356 if (fd&0x08) s[4] = val;
357 if (fd&0x04) s[5] = val;
358 if (fd&0x02) s[6] = val;
359 if (fd&0x01) s[7] = val;
360 }
361 }
b60f2812 362}
363
69af03a2 364void pl_text_out16(int x, int y, const char *texto, ...)
b60f2812 365{
69af03a2 366 va_list args;
367 char buffer[256];
368
369 va_start(args, texto);
370 vsnprintf(buffer, sizeof(buffer), texto, args);
371 va_end(args);
372
373 pl_text_out16_(x, y, buffer);
b60f2812 374}
375
201c21e2 376static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
377{
378 *x = g_layer_x;
379 *y = g_layer_y;
380 *w = g_layer_w;
381 *h = g_layer_h;
382}
383
e64dc4c5 384struct rearmed_cbs pl_rearmed_cbs = {
201c21e2 385 pl_get_layer_pos,
76f7048e 386 pl_vout_open,
387 pl_vout_set_mode,
388 pl_vout_flip,
389 pl_vout_close,
201c21e2 390};
391
7c0f51de 392/* watchdog */
393static void *watchdog_thread(void *unused)
394{
395 int vsync_cnt_old = 0;
396 int seen_dead = 0;
397 int sleep_time = 5;
398
799b0b87 399#ifndef NDEBUG
400 // don't interfere with debug
401 return NULL;
402#endif
7c0f51de 403 while (1)
404 {
405 sleep(sleep_time);
406
407 if (stop) {
408 seen_dead = 0;
409 sleep_time = 5;
410 continue;
411 }
412 if (vsync_cnt != vsync_cnt_old) {
413 vsync_cnt_old = vsync_cnt;
414 seen_dead = 0;
415 sleep_time = 2;
416 continue;
417 }
418
419 seen_dead++;
420 sleep_time = 1;
421 if (seen_dead > 1)
422 fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
423 if (seen_dead > 4) {
424 fprintf(stderr, "watchdog: lockup detected, aborting\n");
425 // we can't do any cleanup here really, the main thread is
426 // likely touching resources and would crash anyway
427 abort();
428 }
429 }
430}
431
432void pl_start_watchdog(void)
433{
434 pthread_attr_t attr;
435 pthread_t tid;
436 int ret;
437
438 pthread_attr_init(&attr);
439 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
440
441 ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
442 if (ret != 0)
443 fprintf(stderr, "could not start watchdog: %d\n", ret);
444}
445
4c08b9e7 446void pl_init(void)
447{
448 ts = pl_gun_ts_init();
449}