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dma: add optional slow linked list walking
[pcsx_rearmed.git] / frontend / plugin_lib.c
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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
39int in_type[8];
40int multitap1;
41int multitap2;
42int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
43int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
44int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
45int in_adev_is_nublike[2];
46unsigned short in_keystate[8];
47int in_mouse[8][2];
48int in_state_gun;
49int in_enable_vibration;
50void *tsdev;
51void *pl_vout_buf;
52int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
53static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
54static int pl_vout_scale_w, pl_vout_scale_h, pl_vout_yoffset;
55static int psx_w, psx_h, psx_bpp;
56static int vsync_cnt;
57static int is_pal, frame_interval, frame_interval1024;
58static int vsync_usec_time;
59
60// platform hooks
61void (*pl_plat_clear)(void);
62void (*pl_plat_blit)(int doffs, const void *src, int w, int h,
63 int sstride, int bgr24);
64void (*pl_plat_hud_print)(int x, int y, const char *str, int bpp);
65
66
67static __attribute__((noinline)) int get_cpu_ticks(void)
68{
69 static unsigned long last_utime;
70 static int fd;
71 unsigned long utime, ret;
72 char buf[128];
73
74 if (fd == 0)
75 fd = open("/proc/self/stat", O_RDONLY);
76 lseek(fd, 0, SEEK_SET);
77 buf[0] = 0;
78 read(fd, buf, sizeof(buf));
79 buf[sizeof(buf) - 1] = 0;
80
81 sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
82 ret = utime - last_utime;
83 if (ret > 200)
84 ret = 0;
85 last_utime = utime;
86 return ret;
87}
88
89static void hud_print(void *fb, int w, int x, int y, const char *text)
90{
91 if (pl_plat_hud_print)
92 pl_plat_hud_print(x, y, text, pl_vout_bpp);
93 else if (pl_vout_bpp == 16)
94 basic_text_out16_nf(fb, w, x, y, text);
95}
96
97static void hud_printf(void *fb, int w, int x, int y, const char *texto, ...)
98{
99 va_list args;
100 char buffer[256];
101
102 va_start(args, texto);
103 vsnprintf(buffer, sizeof(buffer), texto, args);
104 va_end(args);
105
106 hud_print(fb, w, x, y, buffer);
107}
108
109static void print_msg(int h, int border)
110{
111 hud_print(pl_vout_buf, pl_vout_w, border + 2, h - HUD_HEIGHT, hud_msg);
112}
113
114static void print_fps(int h, int border)
115{
116 hud_printf(pl_vout_buf, pl_vout_w, border + 2, h - HUD_HEIGHT,
117 "%2d %4.1f", pl_rearmed_cbs.flips_per_sec,
118 pl_rearmed_cbs.vsps_cur);
119}
120
121static void print_cpu_usage(int w, int h, int border)
122{
123 hud_printf(pl_vout_buf, pl_vout_w, pl_vout_w - border - 28,
124 h - HUD_HEIGHT, "%3d", pl_rearmed_cbs.cpu_usage);
125}
126
127// draw 192x8 status of 24 sound channels
128static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
129{
130 extern void spu_get_debug_info(int *chans_out, int *run_chans,
131 int *fmod_chans_out, int *noise_chans_out); // hack
132 int live_chans, run_chans, fmod_chans, noise_chans;
133
134 static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
135 unsigned short *dest = (unsigned short *)pl_vout_buf +
136 vout_w * (vout_h - HUD_HEIGHT) + vout_w / 2 - 192/2;
137 unsigned short *d, p;
138 int c, x, y;
139
140 if (dest == NULL || pl_vout_bpp != 16)
141 return;
142
143 spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
144
145 for (c = 0; c < 24; c++) {
146 d = dest + c * 8;
147 p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
148 (fmod_chans & (1<<c)) ? 0xf000 :
149 (noise_chans & (1<<c)) ? 0x001f :
150 colors[c & 1];
151 for (y = 0; y < 8; y++, d += vout_w)
152 for (x = 0; x < 8; x++)
153 d[x] = p;
154 }
155}
156
157static void print_hud(int w, int h, int xborder)
158{
159 if (h < 16)
160 return;
161
162 if (w < pl_vout_w)
163 xborder += (pl_vout_w - w) / 2;
164 if (h > pl_vout_h)
165 h = pl_vout_h;
166
167 if (g_opts & OPT_SHOWSPU)
168 draw_active_chans(w, h);
169
170 if (hud_msg[0] != 0)
171 print_msg(h, xborder);
172 else if (g_opts & OPT_SHOWFPS)
173 print_fps(h, xborder);
174
175 if (g_opts & OPT_SHOWCPU)
176 print_cpu_usage(w, h, xborder);
177}
178
179/* update scaler target size according to user settings */
180static void update_layer_size(int w, int h)
181{
182 float mult;
183 int imult;
184
185 switch (g_scaler) {
186 case SCALE_1_1:
187 g_layer_w = w; g_layer_h = h;
188 break;
189
190 case SCALE_2_2:
191 g_layer_w = w; g_layer_h = h;
192 if (w * 2 <= g_menuscreen_w)
193 g_layer_w = w * 2;
194 if (h * 2 <= g_menuscreen_h)
195 g_layer_h = h * 2;
196 break;
197
198 case SCALE_4_3v2:
199 if (h > g_menuscreen_h || (240 < h && h <= 360))
200 goto fractional_4_3;
201
202 // 4:3 that prefers integer scaling
203 imult = g_menuscreen_h / h;
204 g_layer_w = w * imult;
205 g_layer_h = h * imult;
206 mult = (float)g_layer_w / (float)g_layer_h;
207 if (mult < 1.25f || mult > 1.666f)
208 g_layer_w = 4.0f/3.0f * (float)g_layer_h;
209 printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
210 break;
211
212 fractional_4_3:
213 case SCALE_4_3:
214 mult = 240.0f / (float)h * 4.0f / 3.0f;
215 if (h > 256)
216 mult *= 2.0f;
217 g_layer_w = mult * (float)g_menuscreen_h;
218 g_layer_h = g_menuscreen_h;
219 printf(" -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
220 break;
221
222 case SCALE_FULLSCREEN:
223 g_layer_w = g_menuscreen_w;
224 g_layer_h = g_menuscreen_h;
225 break;
226
227 default:
228 break;
229 }
230
231 g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
232 g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
233 if (g_layer_x < 0) g_layer_x = 0;
234 if (g_layer_y < 0) g_layer_y = 0;
235 if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
236 if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
237}
238
239// XXX: this is platform specific really
240static inline int resolution_ok(int w, int h)
241{
242 return w <= 1024 && h <= 512;
243}
244
245static void pl_vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
246{
247 int vout_w, vout_h, vout_bpp;
248 int buf_yoffset = 0;
249
250 // special h handling, Wipeout likes to change it by 1-6
251 static int vsync_cnt_ms_prev;
252 if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
253 h = (h + 7) & ~7;
254 vsync_cnt_ms_prev = vsync_cnt;
255
256 psx_w = raw_w;
257 psx_h = raw_h;
258 psx_bpp = bpp;
259 vout_w = w;
260 vout_h = h;
261 vout_bpp = bpp;
262 if (pl_rearmed_cbs.only_16bpp)
263 vout_bpp = 16;
264
265 // don't use very low heights
266 if (vout_h < 192) {
267 buf_yoffset = (192 - vout_h) / 2;
268 vout_h = 192;
269 }
270
271 pl_vout_scale_w = pl_vout_scale_h = 1;
272#ifdef __ARM_NEON__
273 if (soft_filter) {
274 if (resolution_ok(w * 2, h * 2) && bpp == 16) {
275 pl_vout_scale_w = 2;
276 pl_vout_scale_h = 2;
277 }
278 else {
279 // filter unavailable
280 hud_msg[0] = 0;
281 }
282 }
283 else if (scanlines != 0 && scanline_level != 100 && bpp == 16) {
284 if (h <= 256)
285 pl_vout_scale_h = 2;
286 }
287#endif
288 vout_w *= pl_vout_scale_w;
289 vout_h *= pl_vout_scale_h;
290
291 update_layer_size(vout_w, vout_h);
292
293 pl_vout_buf = plat_gvideo_set_mode(&vout_w, &vout_h, &vout_bpp);
294 if (pl_vout_buf == NULL && pl_plat_blit == NULL)
295 fprintf(stderr, "failed to set mode %dx%d@%d\n",
296 vout_w, vout_h, vout_bpp);
297 else {
298 pl_vout_w = vout_w;
299 pl_vout_h = vout_h;
300 pl_vout_bpp = vout_bpp;
301 pl_vout_yoffset = buf_yoffset;
302 }
303 if (pl_vout_buf != NULL)
304 pl_vout_buf = (char *)pl_vout_buf
305 + pl_vout_yoffset * pl_vout_w * pl_vout_bpp / 8;
306
307 menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);
308}
309
310static void pl_vout_flip(const void *vram, int stride, int bgr24, int w, int h)
311{
312 static int doffs_old, clear_counter;
313 unsigned char *dest = pl_vout_buf;
314 const unsigned short *src = vram;
315 int dstride = pl_vout_w, h1 = h;
316 int h_full = pl_vout_h - pl_vout_yoffset;
317 int doffs;
318
319 pcnt_start(PCNT_BLIT);
320
321 if (vram == NULL) {
322 // blanking
323 if (pl_plat_clear)
324 pl_plat_clear();
325 else
326 memset(pl_vout_buf, 0,
327 dstride * h_full * pl_vout_bpp / 8);
328 goto out_hud;
329 }
330
331 // borders
332 doffs = (dstride - w * pl_vout_scale_w) / 2 & ~1;
333
334 if (doffs > doffs_old)
335 clear_counter = 2;
336 doffs_old = doffs;
337
338 if (clear_counter > 0) {
339 if (pl_plat_clear)
340 pl_plat_clear();
341 else
342 memset(pl_vout_buf, 0,
343 dstride * h_full * pl_vout_bpp / 8);
344 clear_counter--;
345 }
346
347 if (pl_plat_blit)
348 {
349 pl_plat_blit(doffs, src, w, h, stride, bgr24);
350 goto out_hud;
351 }
352
353 if (dest == NULL)
354 goto out;
355
356 dest += doffs * 2;
357
358 if (bgr24)
359 {
360 if (pl_rearmed_cbs.only_16bpp) {
361 for (; h1-- > 0; dest += dstride * 2, src += stride)
362 {
363 bgr888_to_rgb565(dest, src, w * 3);
364 }
365 }
366 else {
367 dest -= doffs * 2;
368 dest += (doffs / 8) * 24;
369
370 for (; h1-- > 0; dest += dstride * 3, src += stride)
371 {
372 bgr888_to_rgb888(dest, src, w * 3);
373 }
374 }
375 }
376#ifdef __ARM_NEON__
377 else if (soft_filter == SOFT_FILTER_SCALE2X && pl_vout_scale_w == 2)
378 {
379 neon_scale2x_16_16(src, (void *)dest, w,
380 stride * 2, dstride * 2, h);
381 }
382 else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale_w == 2)
383 {
384 neon_eagle2x_16_16(src, (void *)dest, w,
385 stride * 2, dstride * 2, h);
386 }
387 else if (scanlines != 0 && scanline_level != 100)
388 {
389 int l = scanline_level * 2048 / 100;
390 int stride_0 = pl_vout_scale_h >= 2 ? 0 : stride;
391
392 h1 *= pl_vout_scale_h;
393 for (; h1 >= 2; h1 -= 2)
394 {
395 bgr555_to_rgb565(dest, src, w * 2);
396 dest += dstride * 2, src += stride_0;
397
398 bgr555_to_rgb565_b(dest, src, w * 2, l);
399 dest += dstride * 2, src += stride;
400 }
401 }
402#endif
403 else
404 {
405 src = (void *)((uintptr_t)src & ~3); // align for the blitter
406
407 for (; h1-- > 0; dest += dstride * 2, src += stride)
408 {
409 bgr555_to_rgb565(dest, src, w * 2);
410 }
411 }
412
413out_hud:
414 print_hud(w * pl_vout_scale_w, h * pl_vout_scale_h, 0);
415
416out:
417 pcnt_end(PCNT_BLIT);
418
419 // let's flip now
420 pl_vout_buf = plat_gvideo_flip();
421 if (pl_vout_buf != NULL)
422 pl_vout_buf = (char *)pl_vout_buf
423 + pl_vout_yoffset * pl_vout_w * pl_vout_bpp / 8;
424
425 pl_rearmed_cbs.flip_cnt++;
426}
427
428static int pl_vout_open(void)
429{
430 struct timeval now;
431
432 // force mode update on pl_vout_set_mode() call from gpulib/vout_pl
433 pl_vout_buf = NULL;
434
435 plat_gvideo_open(is_pal);
436
437 gettimeofday(&now, 0);
438 vsync_usec_time = now.tv_usec;
439 while (vsync_usec_time >= frame_interval)
440 vsync_usec_time -= frame_interval;
441
442 return 0;
443}
444
445static void pl_vout_close(void)
446{
447 plat_gvideo_close();
448}
449
450static void pl_set_gpu_caps(int caps)
451{
452 pl_rearmed_cbs.gpu_caps = caps;
453}
454
455void *pl_prepare_screenshot(int *w, int *h, int *bpp)
456{
457 void *ret = plat_prepare_screenshot(w, h, bpp);
458 if (ret != NULL)
459 return ret;
460
461 *w = pl_vout_w;
462 *h = pl_vout_h;
463 *bpp = pl_vout_bpp;
464
465 return pl_vout_buf;
466}
467
468/* display/redering mode switcher */
469static int dispmode_default(void)
470{
471 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
472 soft_filter = SOFT_FILTER_NONE;
473 snprintf(hud_msg, sizeof(hud_msg), "default mode");
474 return 1;
475}
476
477#ifdef BUILTIN_GPU_NEON
478static int dispmode_doubleres(void)
479{
480 if (!(pl_rearmed_cbs.gpu_caps & GPU_CAP_SUPPORTS_2X)
481 || !resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
482 return 0;
483
484 dispmode_default();
485 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
486 snprintf(hud_msg, sizeof(hud_msg), "double resolution");
487 return 1;
488}
489#endif
490
491#ifdef __ARM_NEON__
492static int dispmode_scale2x(void)
493{
494 if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
495 return 0;
496
497 dispmode_default();
498 soft_filter = SOFT_FILTER_SCALE2X;
499 snprintf(hud_msg, sizeof(hud_msg), "scale2x");
500 return 1;
501}
502
503static int dispmode_eagle2x(void)
504{
505 if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
506 return 0;
507
508 dispmode_default();
509 soft_filter = SOFT_FILTER_EAGLE2X;
510 snprintf(hud_msg, sizeof(hud_msg), "eagle2x");
511 return 1;
512}
513#endif
514
515static int (*dispmode_switchers[])(void) = {
516 dispmode_default,
517#ifdef BUILTIN_GPU_NEON
518 dispmode_doubleres,
519#endif
520#ifdef __ARM_NEON__
521 dispmode_scale2x,
522 dispmode_eagle2x,
523#endif
524};
525
526static int dispmode_current;
527
528void pl_switch_dispmode(void)
529{
530 if (pl_rearmed_cbs.gpu_caps & GPU_CAP_OWNS_DISPLAY)
531 return;
532
533 while (1) {
534 dispmode_current++;
535 if (dispmode_current >=
536 sizeof(dispmode_switchers) / sizeof(dispmode_switchers[0]))
537 dispmode_current = 0;
538 if (dispmode_switchers[dispmode_current]())
539 break;
540 }
541}
542
543#ifndef MAEMO
544/* adjust circle-like analog inputs to better match
545 * more square-like analogs in PSX */
546static void update_analog_nub_adjust(int *x_, int *y_)
547{
548 #define d 16
549 static const int scale[] =
550 { 0 - d*2, 0 - d*2, 0 - d*2, 12 - d*2,
551 30 - d*2, 60 - d*2, 75 - d*2, 60 - d*2, 60 - d*2 };
552 int x = abs(*x_);
553 int y = abs(*y_);
554 int scale_x = scale[y / 16];
555 int scale_y = scale[x / 16];
556
557 if (x) {
558 x += d + (x * scale_x >> 8);
559 if (*x_ < 0)
560 x = -x;
561 }
562 if (y) {
563 y += d + (y * scale_y >> 8);
564 if (*y_ < 0)
565 y = -y;
566 }
567
568 *x_ = x;
569 *y_ = y;
570 #undef d
571}
572
573static void update_analogs(void)
574{
575 int *nubp[2] = { in_analog_left[0], in_analog_right[0] };
576 int vals[2];
577 int i, a, v, ret;
578
579 for (i = 0; i < 2; i++)
580 {
581 if (in_adev[i] < 0)
582 continue;
583
584 for (a = 0; a < 2; a++) {
585 vals[a] = 0;
586
587 ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
588 if (ret == 0)
589 vals[a] = 128 * v / IN_ABS_RANGE;
590 }
591
592 if (in_adev_is_nublike[i])
593 update_analog_nub_adjust(&vals[0], &vals[1]);
594
595 for (a = 0; a < 2; a++) {
596 v = vals[a] + 127;
597 if (v < 0) v = 0;
598 else if (v > 255) v = 255;
599 nubp[i][a] = v;
600 }
601
602 }
603}
604
605static void update_input(void)
606{
607 int actions[IN_BINDTYPE_COUNT] = { 0, };
608 unsigned int emu_act;
609
610 in_update(actions);
611 if (in_type[0] == PSE_PAD_TYPE_ANALOGJOY || in_type[0] == PSE_PAD_TYPE_ANALOGPAD)
612 update_analogs();
613 emu_act = actions[IN_BINDTYPE_EMU];
614 in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
615
616 emu_act &= ~SACTION_GUN_MASK;
617 if (emu_act) {
618 int which = 0;
619 for (; !(emu_act & 1); emu_act >>= 1, which++)
620 ;
621 emu_act = which;
622 }
623 emu_set_action(emu_act);
624
625 in_keystate[0] = actions[IN_BINDTYPE_PLAYER12];
626}
627#else /* MAEMO */
628extern void update_input(void);
629#endif
630
631void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
632{
633 if (tsdev)
634 pl_gun_ts_update(tsdev, xn, yn, in);
635
636 *xres = psx_w;
637 *yres = psx_h;
638}
639
640#define MAX_LAG_FRAMES 3
641
642#define tvdiff(tv, tv_old) \
643 ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
644
645/* called on every vsync */
646void pl_frame_limit(void)
647{
648 static struct timeval tv_old, tv_expect;
649 static int vsync_cnt_prev, drc_active_vsyncs;
650 struct timeval now;
651 int diff, usadj;
652
653 if (g_emu_resetting)
654 return;
655
656 vsync_cnt++;
657
658 /* doing input here because the pad is polled
659 * thousands of times per frame for some reason */
660 update_input();
661
662 pcnt_end(PCNT_ALL);
663 gettimeofday(&now, 0);
664
665 if (now.tv_sec != tv_old.tv_sec) {
666 diff = tvdiff(now, tv_old);
667 pl_rearmed_cbs.vsps_cur = 0.0f;
668 if (0 < diff && diff < 2000000)
669 pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
670 vsync_cnt_prev = vsync_cnt;
671
672 if (g_opts & OPT_SHOWFPS)
673 pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
674 pl_rearmed_cbs.flip_cnt = 0;
675 if (g_opts & OPT_SHOWCPU)
676 pl_rearmed_cbs.cpu_usage = get_cpu_ticks();
677
678 if (hud_new_msg > 0) {
679 hud_new_msg--;
680 if (hud_new_msg == 0)
681 hud_msg[0] = 0;
682 }
683 tv_old = now;
684 //new_dynarec_print_stats();
685 }
686#ifdef PCNT
687 static int ya_vsync_count;
688 if (++ya_vsync_count == PCNT_FRAMES) {
689 pcnt_print(pl_rearmed_cbs.vsps_cur);
690 ya_vsync_count = 0;
691 }
692#endif
693
694 // tv_expect uses usec*1024 units instead of usecs for better accuracy
695 tv_expect.tv_usec += frame_interval1024;
696 if (tv_expect.tv_usec >= (1000000 << 10)) {
697 tv_expect.tv_usec -= (1000000 << 10);
698 tv_expect.tv_sec++;
699 }
700 diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
701
702 if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
703 //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
704 tv_expect = now;
705 diff = 0;
706 // try to align with vsync
707 usadj = vsync_usec_time;
708 while (usadj < tv_expect.tv_usec - frame_interval)
709 usadj += frame_interval;
710 tv_expect.tv_usec = usadj << 10;
711 }
712
713 if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
714 // yay for working usleep on pandora!
715 //printf("usleep %d\n", diff - frame_interval / 2);
716 usleep(diff - frame_interval);
717 }
718
719 if (pl_rearmed_cbs.frameskip) {
720 if (diff < -frame_interval)
721 pl_rearmed_cbs.fskip_advice = 1;
722 else if (diff >= 0)
723 pl_rearmed_cbs.fskip_advice = 0;
724
725 // recompilation is not that fast and may cause frame skip on
726 // loading screens and such, resulting in flicker or glitches
727 if (new_dynarec_did_compile) {
728 if (drc_active_vsyncs < 32)
729 pl_rearmed_cbs.fskip_advice = 0;
730 drc_active_vsyncs++;
731 }
732 else
733 drc_active_vsyncs = 0;
734 new_dynarec_did_compile = 0;
735 }
736
737 pcnt_start(PCNT_ALL);
738}
739
740void pl_timing_prepare(int is_pal_)
741{
742 pl_rearmed_cbs.fskip_advice = 0;
743 pl_rearmed_cbs.flips_per_sec = 0;
744 pl_rearmed_cbs.cpu_usage = 0;
745
746 is_pal = is_pal_;
747 frame_interval = is_pal ? 20000 : 16667;
748 frame_interval1024 = is_pal ? 20000*1024 : 17066667;
749
750 // used by P.E.Op.S. frameskip code
751 pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
752 pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
753 (100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
754}
755
756static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
757{
758 *x = g_layer_x;
759 *y = g_layer_y;
760 *w = g_layer_w;
761 *h = g_layer_h;
762}
763
764static void *pl_mmap(unsigned int size);
765static void pl_munmap(void *ptr, unsigned int size);
766
767struct rearmed_cbs pl_rearmed_cbs = {
768 pl_get_layer_pos,
769 pl_vout_open,
770 pl_vout_set_mode,
771 pl_vout_flip,
772 pl_vout_close,
773
774 .mmap = pl_mmap,
775 .munmap = pl_munmap,
776 .pl_set_gpu_caps = pl_set_gpu_caps,
777};
778
779/* watchdog */
780static void *watchdog_thread(void *unused)
781{
782 int vsync_cnt_old = 0;
783 int seen_dead = 0;
784 int sleep_time = 5;
785
786#if !defined(NDEBUG) || defined(DRC_DBG)
787 // don't interfere with debug
788 return NULL;
789#endif
790 while (1)
791 {
792 sleep(sleep_time);
793
794 if (stop) {
795 seen_dead = 0;
796 sleep_time = 5;
797 continue;
798 }
799 if (vsync_cnt != vsync_cnt_old) {
800 vsync_cnt_old = vsync_cnt;
801 seen_dead = 0;
802 sleep_time = 2;
803 continue;
804 }
805
806 seen_dead++;
807 sleep_time = 1;
808 if (seen_dead > 1)
809 fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
810 if (seen_dead > 4) {
811 fprintf(stderr, "watchdog: lockup detected, aborting\n");
812 // we can't do any cleanup here really, the main thread is
813 // likely touching resources and would crash anyway
814 abort();
815 }
816 }
817}
818
819void pl_start_watchdog(void)
820{
821 pthread_attr_t attr;
822 pthread_t tid;
823 int ret;
824
825 pthread_attr_init(&attr);
826 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
827
828 ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
829 if (ret != 0)
830 fprintf(stderr, "could not start watchdog: %d\n", ret);
831}
832
833static void *pl_emu_mmap(unsigned long addr, size_t size, int is_fixed,
834 enum psxMapTag tag)
835{
836 return plat_mmap(addr, size, 0, is_fixed);
837}
838
839static void pl_emu_munmap(void *ptr, size_t size, enum psxMapTag tag)
840{
841 plat_munmap(ptr, size);
842}
843
844static void *pl_mmap(unsigned int size)
845{
846 return psxMapHook(0, size, 0, MAP_TAG_VRAM);
847}
848
849static void pl_munmap(void *ptr, unsigned int size)
850{
851 psxUnmapHook(ptr, size, MAP_TAG_VRAM);
852}
853
854void pl_init(void)
855{
856 extern unsigned int hSyncCount; // from psxcounters
857 extern unsigned int frame_counter;
858
859 psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
860 psx_bpp = pl_vout_bpp = 16;
861
862 tsdev = pl_gun_ts_init();
863
864 pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
865 pl_rearmed_cbs.gpu_frame_count = &frame_counter;
866
867 psxMapHook = pl_emu_mmap;
868 psxUnmapHook = pl_emu_munmap;
869}
ARM optimized PCSX fork