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 "libpicofe/fonts.h"
21 #include "libpicofe/input.h"
22 #include "libpicofe/plat.h"
23 #include "libpicofe/arm/neon_scale2x.h"
24 #include "libpicofe/arm/neon_eagle2x.h"
25 #include "plugin_lib.h"
26 #include "menu.h"
27 #include "main.h"
28 #include "plat.h"
29 #include "pcnt.h"
30 #include "pl_gun_ts.h"
31 #include "cspace.h"
32 #include "psemu_plugin_defs.h"
33 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
34 #include "../libpcsxcore/psxmem_map.h"
35 #include "../plugins/dfinput/externals.h"
36
37 #define HUD_HEIGHT 10
38
39 int in_type[8];
40 int multitap1;
41 int multitap2;
42 int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
43 int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
44 int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
45 int in_adev_is_nublike[2];
46 unsigned short in_keystate[8];
47 int in_state_gun;
48 int in_enable_vibration;
49 void *tsdev;
50 void *pl_vout_buf;
51 int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
52 static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
53 static int pl_vout_scale_w, pl_vout_scale_h, pl_vout_yoffset;
54 static int psx_w, psx_h, psx_bpp;
55 static int vsync_cnt;
56 static int is_pal, frame_interval, frame_interval1024;
57 static int vsync_usec_time;
58
59 // platform hooks
60 void (*pl_plat_clear)(void);
61 void (*pl_plat_blit)(int doffs, const void *src, int w, int h,
62 int sstride, int bgr24);
63 void (*pl_plat_hud_print)(int x, int y, const char *str, int bpp);
64
65
get_cpu_ticks(void)66 static __attribute__((noinline)) int get_cpu_ticks(void)
67 {
68 static unsigned long last_utime;
69 static int fd;
70 unsigned long utime, ret;
71 char buf[128];
72
73 if (fd == 0)
74 fd = open("/proc/self/stat", O_RDONLY);
75 lseek(fd, 0, SEEK_SET);
76 buf[0] = 0;
77 read(fd, buf, sizeof(buf));
78 buf[sizeof(buf) - 1] = 0;
79
80 sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
81 ret = utime - last_utime;
82 if (ret > 200)
83 ret = 0;
84 last_utime = utime;
85 return ret;
86 }
87
hud_print(void * fb,int w,int x,int y,const char * text)88 static void hud_print(void *fb, int w, int x, int y, const char *text)
89 {
90 if (pl_plat_hud_print)
91 pl_plat_hud_print(x, y, text, pl_vout_bpp);
92 else if (pl_vout_bpp == 16)
93 basic_text_out16_nf(fb, w, x, y, text);
94 }
95
hud_printf(void * fb,int w,int x,int y,const char * texto,...)96 static void hud_printf(void *fb, int w, int x, int y, const char *texto, ...)
97 {
98 va_list args;
99 char buffer[256];
100
101 va_start(args, texto);
102 vsnprintf(buffer, sizeof(buffer), texto, args);
103 va_end(args);
104
105 hud_print(fb, w, x, y, buffer);
106 }
107
print_msg(int h,int border)108 static void print_msg(int h, int border)
109 {
110 hud_print(pl_vout_buf, pl_vout_w, border + 2, h - HUD_HEIGHT, hud_msg);
111 }
112
print_fps(int h,int border)113 static void print_fps(int h, int border)
114 {
115 hud_printf(pl_vout_buf, pl_vout_w, border + 2, h - HUD_HEIGHT,
116 "%2d %4.1f", pl_rearmed_cbs.flips_per_sec,
117 pl_rearmed_cbs.vsps_cur);
118 }
119
print_cpu_usage(int w,int h,int border)120 static void print_cpu_usage(int w, int h, int border)
121 {
122 hud_printf(pl_vout_buf, pl_vout_w, pl_vout_w - border - 28,
123 h - HUD_HEIGHT, "%3d", pl_rearmed_cbs.cpu_usage);
124 }
125
126 // draw 192x8 status of 24 sound channels
draw_active_chans(int vout_w,int vout_h)127 static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
128 {
129 extern void spu_get_debug_info(int *chans_out, int *run_chans,
130 int *fmod_chans_out, int *noise_chans_out); // hack
131 int live_chans, run_chans, fmod_chans, noise_chans;
132
133 static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
134 unsigned short *dest = (unsigned short *)pl_vout_buf +
135 vout_w * (vout_h - HUD_HEIGHT) + vout_w / 2 - 192/2;
136 unsigned short *d, p;
137 int c, x, y;
138
139 if (dest == NULL || pl_vout_bpp != 16)
140 return;
141
142 spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
143
144 for (c = 0; c < 24; c++) {
145 d = dest + c * 8;
146 p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
147 (fmod_chans & (1<<c)) ? 0xf000 :
148 (noise_chans & (1<<c)) ? 0x001f :
149 colors[c & 1];
150 for (y = 0; y < 8; y++, d += vout_w)
151 for (x = 0; x < 8; x++)
152 d[x] = p;
153 }
154 }
155
print_hud(int w,int h,int xborder)156 static void print_hud(int w, int h, int xborder)
157 {
158 if (h < 16)
159 return;
160
161 if (w < pl_vout_w)
162 xborder += (pl_vout_w - w) / 2;
163 if (h > pl_vout_h)
164 h = pl_vout_h;
165
166 if (g_opts & OPT_SHOWSPU)
167 draw_active_chans(w, h);
168
169 if (hud_msg[0] != 0)
170 print_msg(h, xborder);
171 else if (g_opts & OPT_SHOWFPS)
172 print_fps(h, xborder);
173
174 if (g_opts & OPT_SHOWCPU)
175 print_cpu_usage(w, h, xborder);
176 }
177
178 /* update scaler target size according to user settings */
update_layer_size(int w,int h)179 static void update_layer_size(int w, int h)
180 {
181 float mult;
182 int imult;
183
184 switch (g_scaler) {
185 case SCALE_1_1:
186 g_layer_w = w; g_layer_h = h;
187 break;
188
189 case SCALE_2_2:
190 g_layer_w = w; g_layer_h = h;
191 if (w * 2 <= g_menuscreen_w)
192 g_layer_w = w * 2;
193 if (h * 2 <= g_menuscreen_h)
194 g_layer_h = h * 2;
195 break;
196
197 case SCALE_4_3v2:
198 if (h > g_menuscreen_h || (240 < h && h <= 360))
199 goto fractional_4_3;
200
201 // 4:3 that prefers integer scaling
202 imult = g_menuscreen_h / h;
203 g_layer_w = w * imult;
204 g_layer_h = h * imult;
205 mult = (float)g_layer_w / (float)g_layer_h;
206 if (mult < 1.25f || mult > 1.666f)
207 g_layer_w = 4.0f/3.0f * (float)g_layer_h;
208 printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
209 break;
210
211 fractional_4_3:
212 case SCALE_4_3:
213 mult = 240.0f / (float)h * 4.0f / 3.0f;
214 if (h > 256)
215 mult *= 2.0f;
216 g_layer_w = mult * (float)g_menuscreen_h;
217 g_layer_h = g_menuscreen_h;
218 printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
219 break;
220
221 case SCALE_FULLSCREEN:
222 g_layer_w = g_menuscreen_w;
223 g_layer_h = g_menuscreen_h;
224 break;
225
226 default:
227 break;
228 }
229
230 g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
231 g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
232 if (g_layer_x < 0) g_layer_x = 0;
233 if (g_layer_y < 0) g_layer_y = 0;
234 if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
235 if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
236 }
237
238 // XXX: this is platform specific really
resolution_ok(int w,int h)239 static inline int resolution_ok(int w, int h)
240 {
241 return w <= 1024 && h <= 512;
242 }
243
pl_vout_set_mode(int w,int h,int raw_w,int raw_h,int bpp)244 static void pl_vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
245 {
246 int vout_w, vout_h, vout_bpp;
247 int buf_yoffset = 0;
248
249 // special h handling, Wipeout likes to change it by 1-6
250 static int vsync_cnt_ms_prev;
251 if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
252 h = (h + 7) & ~7;
253 vsync_cnt_ms_prev = vsync_cnt;
254
255 psx_w = raw_w;
256 psx_h = raw_h;
257 psx_bpp = bpp;
258 vout_w = w;
259 vout_h = h;
260 vout_bpp = bpp;
261 if (pl_rearmed_cbs.only_16bpp)
262 vout_bpp = 16;
263
264 // don't use very low heights
265 if (vout_h < 192) {
266 buf_yoffset = (192 - vout_h) / 2;
267 vout_h = 192;
268 }
269
270 pl_vout_scale_w = pl_vout_scale_h = 1;
271 #ifdef __ARM_NEON__
272 if (soft_filter) {
273 if (resolution_ok(w * 2, h * 2) && bpp == 16) {
274 pl_vout_scale_w = 2;
275 pl_vout_scale_h = 2;
276 }
277 else {
278 // filter unavailable
279 hud_msg[0] = 0;
280 }
281 }
282 else if (scanlines != 0 && scanline_level != 100 && bpp == 16) {
283 if (h <= 256)
284 pl_vout_scale_h = 2;
285 }
286 #endif
287 vout_w *= pl_vout_scale_w;
288 vout_h *= pl_vout_scale_h;
289
290 update_layer_size(vout_w, vout_h);
291
292 pl_vout_buf = plat_gvideo_set_mode(&vout_w, &vout_h, &vout_bpp);
293 if (pl_vout_buf == NULL && pl_plat_blit == NULL)
294 fprintf(stderr, "failed to set mode %dx%d@%d\n",
295 vout_w, vout_h, vout_bpp);
296 else {
297 pl_vout_w = vout_w;
298 pl_vout_h = vout_h;
299 pl_vout_bpp = vout_bpp;
300 pl_vout_yoffset = buf_yoffset;
301 }
302 if (pl_vout_buf != NULL)
303 pl_vout_buf = (char *)pl_vout_buf
304 + pl_vout_yoffset * pl_vout_w * pl_vout_bpp / 8;
305
306 menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);
307 }
308
pl_vout_flip(const void * vram,int stride,int bgr24,int w,int h)309 static void pl_vout_flip(const void *vram, int stride, int bgr24, int w, int h)
310 {
311 static int doffs_old, clear_counter;
312 unsigned char *dest = pl_vout_buf;
313 const unsigned short *src = vram;
314 int dstride = pl_vout_w, h1 = h;
315 int doffs;
316
317 pcnt_start(PCNT_BLIT);
318
319 if (vram == NULL) {
320 // blanking
321 if (pl_plat_clear)
322 pl_plat_clear();
323 else
324 memset(pl_vout_buf, 0,
325 dstride * pl_vout_h * pl_vout_bpp / 8);
326 goto out_hud;
327 }
328
329 // borders
330 doffs = (dstride - w * pl_vout_scale_w) / 2 & ~1;
331
332 if (doffs > doffs_old)
333 clear_counter = 2;
334 doffs_old = doffs;
335
336 if (clear_counter > 0) {
337 if (pl_plat_clear)
338 pl_plat_clear();
339 else
340 memset(pl_vout_buf, 0,
341 dstride * pl_vout_h * pl_vout_bpp / 8);
342 clear_counter--;
343 }
344
345 if (pl_plat_blit)
346 {
347 pl_plat_blit(doffs, src, w, h, stride, bgr24);
348 goto out_hud;
349 }
350
351 if (dest == NULL)
352 goto out;
353
354 dest += doffs * 2;
355
356 if (bgr24)
357 {
358 if (pl_rearmed_cbs.only_16bpp) {
359 for (; h1-- > 0; dest += dstride * 2, src += stride)
360 {
361 bgr888_to_rgb565(dest, src, w * 3);
362 }
363 }
364 else {
365 dest -= doffs * 2;
366 dest += (doffs / 8) * 24;
367
368 for (; h1-- > 0; dest += dstride * 3, src += stride)
369 {
370 bgr888_to_rgb888(dest, src, w * 3);
371 }
372 }
373 }
374 #ifdef __ARM_NEON__
375 else if (soft_filter == SOFT_FILTER_SCALE2X && pl_vout_scale_w == 2)
376 {
377 neon_scale2x_16_16(src, (void *)dest, w,
378 stride * 2, dstride * 2, h);
379 }
380 else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale_w == 2)
381 {
382 neon_eagle2x_16_16(src, (void *)dest, w,
383 stride * 2, dstride * 2, h);
384 }
385 else if (scanlines != 0 && scanline_level != 100)
386 {
387 int l = scanline_level * 2048 / 100;
388 int stride_0 = pl_vout_scale_h >= 2 ? 0 : stride;
389
390 h1 *= pl_vout_scale_h;
391 for (; h1 >= 2; h1 -= 2)
392 {
393 bgr555_to_rgb565(dest, src, w * 2);
394 dest += dstride * 2, src += stride_0;
395
396 bgr555_to_rgb565_b(dest, src, w * 2, l);
397 dest += dstride * 2, src += stride;
398 }
399 }
400 #endif
401 else
402 {
403 for (; h1-- > 0; dest += dstride * 2, src += stride)
404 {
405 bgr555_to_rgb565(dest, src, w * 2);
406 }
407 }
408
409 out_hud:
410 print_hud(w * pl_vout_scale_w, h * pl_vout_scale_h, 0);
411
412 out:
413 pcnt_end(PCNT_BLIT);
414
415 // let's flip now
416 pl_vout_buf = plat_gvideo_flip();
417 if (pl_vout_buf != NULL)
418 pl_vout_buf = (char *)pl_vout_buf
419 + pl_vout_yoffset * pl_vout_w * pl_vout_bpp / 8;
420
421 pl_rearmed_cbs.flip_cnt++;
422 }
423
pl_vout_open(void)424 static int pl_vout_open(void)
425 {
426 struct timeval now;
427
428 // force mode update on pl_vout_set_mode() call from gpulib/vout_pl
429 pl_vout_buf = NULL;
430
431 plat_gvideo_open(is_pal);
432
433 gettimeofday(&now, 0);
434 vsync_usec_time = now.tv_usec;
435 while (vsync_usec_time >= frame_interval)
436 vsync_usec_time -= frame_interval;
437
438 return 0;
439 }
440
pl_vout_close(void)441 static void pl_vout_close(void)
442 {
443 plat_gvideo_close();
444 }
445
pl_set_gpu_caps(int caps)446 static void pl_set_gpu_caps(int caps)
447 {
448 pl_rearmed_cbs.gpu_caps = caps;
449 }
450
pl_prepare_screenshot(int * w,int * h,int * bpp)451 void *pl_prepare_screenshot(int *w, int *h, int *bpp)
452 {
453 void *ret = plat_prepare_screenshot(w, h, bpp);
454 if (ret != NULL)
455 return ret;
456
457 *w = pl_vout_w;
458 *h = pl_vout_h;
459 *bpp = pl_vout_bpp;
460
461 return pl_vout_buf;
462 }
463
464 /* display/redering mode switcher */
dispmode_default(void)465 static int dispmode_default(void)
466 {
467 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
468 soft_filter = SOFT_FILTER_NONE;
469 snprintf(hud_msg, sizeof(hud_msg), "default mode");
470 return 1;
471 }
472
473 #ifdef __ARM_NEON__
dispmode_doubleres(void)474 static int dispmode_doubleres(void)
475 {
476 if (!(pl_rearmed_cbs.gpu_caps & GPU_CAP_SUPPORTS_2X)
477 || !resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
478 return 0;
479
480 dispmode_default();
481 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
482 snprintf(hud_msg, sizeof(hud_msg), "double resolution");
483 return 1;
484 }
485
dispmode_scale2x(void)486 static int dispmode_scale2x(void)
487 {
488 if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
489 return 0;
490
491 dispmode_default();
492 soft_filter = SOFT_FILTER_SCALE2X;
493 snprintf(hud_msg, sizeof(hud_msg), "scale2x");
494 return 1;
495 }
496
dispmode_eagle2x(void)497 static int dispmode_eagle2x(void)
498 {
499 if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
500 return 0;
501
502 dispmode_default();
503 soft_filter = SOFT_FILTER_EAGLE2X;
504 snprintf(hud_msg, sizeof(hud_msg), "eagle2x");
505 return 1;
506 }
507 #endif
508
509 static int (*dispmode_switchers[])(void) = {
510 dispmode_default,
511 #ifdef __ARM_NEON__
512 dispmode_doubleres,
513 dispmode_scale2x,
514 dispmode_eagle2x,
515 #endif
516 };
517
518 static int dispmode_current;
519
pl_switch_dispmode(void)520 void pl_switch_dispmode(void)
521 {
522 if (pl_rearmed_cbs.gpu_caps & GPU_CAP_OWNS_DISPLAY)
523 return;
524
525 while (1) {
526 dispmode_current++;
527 if (dispmode_current >=
528 sizeof(dispmode_switchers) / sizeof(dispmode_switchers[0]))
529 dispmode_current = 0;
530 if (dispmode_switchers[dispmode_current]())
531 break;
532 }
533 }
534
535 #ifndef MAEMO
536 /* adjust circle-like analog inputs to better match
537 * more square-like analogs in PSX */
update_analog_nub_adjust(int * x_,int * y_)538 static void update_analog_nub_adjust(int *x_, int *y_)
539 {
540 #define d 16
541 static const int scale[] =
542 { 0 - d*2, 0 - d*2, 0 - d*2, 12 - d*2,
543 30 - d*2, 60 - d*2, 75 - d*2, 60 - d*2, 60 - d*2 };
544 int x = abs(*x_);
545 int y = abs(*y_);
546 int scale_x = scale[y / 16];
547 int scale_y = scale[x / 16];
548
549 if (x) {
550 x += d + (x * scale_x >> 8);
551 if (*x_ < 0)
552 x = -x;
553 }
554 if (y) {
555 y += d + (y * scale_y >> 8);
556 if (*y_ < 0)
557 y = -y;
558 }
559
560 *x_ = x;
561 *y_ = y;
562 #undef d
563 }
564
update_analogs(void)565 static void update_analogs(void)
566 {
567 int *nubp[2] = { in_analog_left[0], in_analog_right[0] };
568 int vals[2];
569 int i, a, v, ret;
570
571 for (i = 0; i < 2; i++)
572 {
573 if (in_adev[i] < 0)
574 continue;
575
576 for (a = 0; a < 2; a++) {
577 vals[a] = 0;
578
579 ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
580 if (ret == 0)
581 vals[a] = 128 * v / IN_ABS_RANGE;
582 }
583
584 if (in_adev_is_nublike[i])
585 update_analog_nub_adjust(&vals[0], &vals[1]);
586
587 for (a = 0; a < 2; a++) {
588 v = vals[a] + 127;
589 if (v < 0) v = 0;
590 else if (v > 255) v = 255;
591 nubp[i][a] = v;
592 }
593
594 }
595 //printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
596 }
597
update_input(void)598 static void update_input(void)
599 {
600 int actions[IN_BINDTYPE_COUNT] = { 0, };
601 unsigned int emu_act;
602
603 in_update(actions);
604 if (in_type[0] == PSE_PAD_TYPE_ANALOGJOY || in_type[0] == PSE_PAD_TYPE_ANALOGPAD)
605 update_analogs();
606 emu_act = actions[IN_BINDTYPE_EMU];
607 in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
608
609 emu_act &= ~SACTION_GUN_MASK;
610 if (emu_act) {
611 int which = 0;
612 for (; !(emu_act & 1); emu_act >>= 1, which++)
613 ;
614 emu_act = which;
615 }
616 emu_set_action(emu_act);
617
618 in_keystate[0] = actions[IN_BINDTYPE_PLAYER12];
619 }
620 #else /* MAEMO */
621 extern void update_input(void);
622 #endif
623
pl_update_gun(int * xn,int * yn,int * xres,int * yres,int * in)624 void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
625 {
626 if (tsdev)
627 pl_gun_ts_update(tsdev, xn, yn, in);
628
629 *xres = psx_w;
630 *yres = psx_h;
631 }
632
633 #define MAX_LAG_FRAMES 3
634
635 #define tvdiff(tv, tv_old) \
636 ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
637
638 /* called on every vsync */
pl_frame_limit(void)639 void pl_frame_limit(void)
640 {
641 static struct timeval tv_old, tv_expect;
642 static int vsync_cnt_prev, drc_active_vsyncs;
643 struct timeval now;
644 int diff, usadj;
645
646 if (g_emu_resetting)
647 return;
648
649 vsync_cnt++;
650
651 /* doing input here because the pad is polled
652 * thousands of times per frame for some reason */
653 update_input();
654
655 pcnt_end(PCNT_ALL);
656 gettimeofday(&now, 0);
657
658 if (now.tv_sec != tv_old.tv_sec) {
659 diff = tvdiff(now, tv_old);
660 pl_rearmed_cbs.vsps_cur = 0.0f;
661 if (0 < diff && diff < 2000000)
662 pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
663 vsync_cnt_prev = vsync_cnt;
664
665 if (g_opts & OPT_SHOWFPS)
666 pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
667 pl_rearmed_cbs.flip_cnt = 0;
668 if (g_opts & OPT_SHOWCPU)
669 pl_rearmed_cbs.cpu_usage = get_cpu_ticks();
670
671 if (hud_new_msg > 0) {
672 hud_new_msg--;
673 if (hud_new_msg == 0)
674 hud_msg[0] = 0;
675 }
676 tv_old = now;
677 }
678 #ifdef PCNT
679 static int ya_vsync_count;
680 if (++ya_vsync_count == PCNT_FRAMES) {
681 pcnt_print(pl_rearmed_cbs.vsps_cur);
682 ya_vsync_count = 0;
683 }
684 #endif
685
686 // tv_expect uses usec*1024 units instead of usecs for better accuracy
687 tv_expect.tv_usec += frame_interval1024;
688 if (tv_expect.tv_usec >= (1000000 << 10)) {
689 tv_expect.tv_usec -= (1000000 << 10);
690 tv_expect.tv_sec++;
691 }
692 diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
693
694 if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
695 //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
696 tv_expect = now;
697 diff = 0;
698 // try to align with vsync
699 usadj = vsync_usec_time;
700 while (usadj < tv_expect.tv_usec - frame_interval)
701 usadj += frame_interval;
702 tv_expect.tv_usec = usadj << 10;
703 }
704
705 if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
706 // yay for working usleep on pandora!
707 //printf("usleep %d\n", diff - frame_interval / 2);
708 usleep(diff - frame_interval);
709 }
710
711 if (pl_rearmed_cbs.frameskip) {
712 if (diff < -frame_interval)
713 pl_rearmed_cbs.fskip_advice = 1;
714 else if (diff >= 0)
715 pl_rearmed_cbs.fskip_advice = 0;
716
717 // recompilation is not that fast and may cause frame skip on
718 // loading screens and such, resulting in flicker or glitches
719 if (new_dynarec_did_compile) {
720 if (drc_active_vsyncs < 32)
721 pl_rearmed_cbs.fskip_advice = 0;
722 drc_active_vsyncs++;
723 }
724 else
725 drc_active_vsyncs = 0;
726 new_dynarec_did_compile = 0;
727 }
728
729 pcnt_start(PCNT_ALL);
730 }
731
pl_timing_prepare(int is_pal_)732 void pl_timing_prepare(int is_pal_)
733 {
734 pl_rearmed_cbs.fskip_advice = 0;
735 pl_rearmed_cbs.flips_per_sec = 0;
736 pl_rearmed_cbs.cpu_usage = 0;
737
738 is_pal = is_pal_;
739 frame_interval = is_pal ? 20000 : 16667;
740 frame_interval1024 = is_pal ? 20000*1024 : 17066667;
741
742 // used by P.E.Op.S. frameskip code
743 pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
744 pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
745 (100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
746 }
747
pl_get_layer_pos(int * x,int * y,int * w,int * h)748 static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
749 {
750 *x = g_layer_x;
751 *y = g_layer_y;
752 *w = g_layer_w;
753 *h = g_layer_h;
754 }
755
756 static void *pl_mmap(unsigned int size);
757 static void pl_munmap(void *ptr, unsigned int size);
758
759 struct rearmed_cbs pl_rearmed_cbs = {
760 pl_get_layer_pos,
761 pl_vout_open,
762 pl_vout_set_mode,
763 pl_vout_flip,
764 pl_vout_close,
765
766 .mmap = pl_mmap,
767 .munmap = pl_munmap,
768 .pl_set_gpu_caps = pl_set_gpu_caps,
769 };
770
771 /* watchdog */
watchdog_thread(void * unused)772 static void *watchdog_thread(void *unused)
773 {
774 int vsync_cnt_old = 0;
775 int seen_dead = 0;
776 int sleep_time = 5;
777
778 #if !defined(NDEBUG) || defined(DRC_DBG)
779 // don't interfere with debug
780 return NULL;
781 #endif
782 while (1)
783 {
784 sleep(sleep_time);
785
786 if (stop) {
787 seen_dead = 0;
788 sleep_time = 5;
789 continue;
790 }
791 if (vsync_cnt != vsync_cnt_old) {
792 vsync_cnt_old = vsync_cnt;
793 seen_dead = 0;
794 sleep_time = 2;
795 continue;
796 }
797
798 seen_dead++;
799 sleep_time = 1;
800 if (seen_dead > 1)
801 fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
802 if (seen_dead > 4) {
803 fprintf(stderr, "watchdog: lockup detected, aborting\n");
804 // we can't do any cleanup here really, the main thread is
805 // likely touching resources and would crash anyway
806 abort();
807 }
808 }
809 }
810
pl_start_watchdog(void)811 void pl_start_watchdog(void)
812 {
813 pthread_attr_t attr;
814 pthread_t tid;
815 int ret;
816
817 pthread_attr_init(&attr);
818 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
819
820 ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
821 if (ret != 0)
822 fprintf(stderr, "could not start watchdog: %d\n", ret);
823 }
824
pl_emu_mmap(unsigned long addr,size_t size,int is_fixed,enum psxMapTag tag)825 static void *pl_emu_mmap(unsigned long addr, size_t size, int is_fixed,
826 enum psxMapTag tag)
827 {
828 return plat_mmap(addr, size, 0, is_fixed);
829 }
830
pl_emu_munmap(void * ptr,size_t size,enum psxMapTag tag)831 static void pl_emu_munmap(void *ptr, size_t size, enum psxMapTag tag)
832 {
833 plat_munmap(ptr, size);
834 }
835
pl_mmap(unsigned int size)836 static void *pl_mmap(unsigned int size)
837 {
838 return psxMapHook(0, size, 0, MAP_TAG_VRAM);
839 }
840
pl_munmap(void * ptr,unsigned int size)841 static void pl_munmap(void *ptr, unsigned int size)
842 {
843 psxUnmapHook(ptr, size, MAP_TAG_VRAM);
844 }
845
pl_init(void)846 void pl_init(void)
847 {
848 extern unsigned int hSyncCount; // from psxcounters
849 extern unsigned int frame_counter;
850
851 psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
852 psx_bpp = pl_vout_bpp = 16;
853
854 tsdev = pl_gun_ts_init();
855
856 pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
857 pl_rearmed_cbs.gpu_frame_count = &frame_counter;
858
859 psxMapHook = pl_emu_mmap;
860 psxUnmapHook = pl_emu_munmap;
861 }
862