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remove one of the hacks
[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#include <assert.h>
20
21#include "libpicofe/fonts.h"
22#include "libpicofe/input.h"
23#include "libpicofe/plat.h"
24#include "libpicofe/arm/neon_scale2x.h"
25#include "libpicofe/arm/neon_eagle2x.h"
26#include "plugin_lib.h"
27#include "menu.h"
28#include "main.h"
29#include "plat.h"
30#include "pcnt.h"
31#include "pl_gun_ts.h"
32#include "cspace.h"
33#include "psemu_plugin_defs.h"
34#include "../libpcsxcore/new_dynarec/new_dynarec.h"
35#include "../libpcsxcore/psxmem_map.h"
36#include "../libpcsxcore/gpu.h"
37
38#define HUD_HEIGHT 10
39
40int in_type[8];
41int multitap1;
42int multitap2;
43int in_analog_left[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
44int in_analog_right[8][2] = {{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 },{ 127, 127 }};
45int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
46int in_adev_is_nublike[2];
47unsigned short in_keystate[8];
48int in_mouse[8][2];
49int in_state_gun;
50int in_enable_vibration;
51void *tsdev;
52void *pl_vout_buf;
53int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
54static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
55static int pl_vout_scale_w, pl_vout_scale_h, pl_vout_yoffset;
56static int psx_w, psx_h, psx_bpp;
57static int vsync_cnt;
58static int is_pal, frame_interval, frame_interval1024;
59static int vsync_usec_time;
60
61// platform hooks
62void (*pl_plat_clear)(void);
63void (*pl_plat_blit)(int doffs, const void *src, int w, int h,
64 int sstride, int bgr24);
65void (*pl_plat_hud_print)(int x, int y, const char *str, int bpp);
66
67
68static __attribute__((noinline)) int get_cpu_ticks(void)
69{
70 static unsigned long last_utime;
71 static int fd;
72 unsigned long utime, ret;
73 char buf[128];
74
75 if (fd == 0)
76 fd = open("/proc/self/stat", O_RDONLY);
77 lseek(fd, 0, SEEK_SET);
78 buf[0] = 0;
79 read(fd, buf, sizeof(buf));
80 buf[sizeof(buf) - 1] = 0;
81
82 sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
83 ret = utime - last_utime;
84 if (ret > 200)
85 ret = 0;
86 last_utime = utime;
87 return ret;
88}
89
90static void hud_print(void *fb, int w, int x, int y, const char *text)
91{
92 if (pl_plat_hud_print)
93 pl_plat_hud_print(x, y, text, pl_vout_bpp);
94 else if (pl_vout_bpp == 16)
95 basic_text_out16_nf(fb, w, x, y, text);
96}
97
98static void hud_printf(void *fb, int w, int x, int y, const char *texto, ...)
99{
100 va_list args;
101 char buffer[256];
102
103 va_start(args, texto);
104 vsnprintf(buffer, sizeof(buffer), texto, args);
105 va_end(args);
106
107 hud_print(fb, w, x, y, buffer);
108}
109
110static void print_msg(int h, int border)
111{
112 hud_print(pl_vout_buf, pl_vout_w, border + 2, h - HUD_HEIGHT, hud_msg);
113}
114
115static void print_fps(int h, int border)
116{
117 hud_printf(pl_vout_buf, pl_vout_w, border + 2, h - HUD_HEIGHT,
118 "%2d %4.1f", pl_rearmed_cbs.flips_per_sec,
119 pl_rearmed_cbs.vsps_cur);
120}
121
122static void print_cpu_usage(int x, int h)
123{
124 hud_printf(pl_vout_buf, pl_vout_w, x - 28,
125 h - HUD_HEIGHT, "%3d", pl_rearmed_cbs.cpu_usage);
126}
127
128// draw 192x8 status of 24 sound channels
129static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
130{
131 extern void spu_get_debug_info(int *chans_out, int *run_chans,
132 int *fmod_chans_out, int *noise_chans_out); // hack
133 int live_chans, run_chans, fmod_chans, noise_chans;
134
135 static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
136 unsigned short *dest = (unsigned short *)pl_vout_buf +
137 pl_vout_w * (vout_h - HUD_HEIGHT) + pl_vout_w / 2 - 192/2;
138 unsigned short *d, p;
139 int c, x, y;
140
141 if (pl_vout_buf == NULL || pl_vout_bpp != 16)
142 return;
143
144 spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
145
146 for (c = 0; c < 24; c++) {
147 d = dest + c * 8;
148 p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
149 (fmod_chans & (1<<c)) ? 0xf000 :
150 (noise_chans & (1<<c)) ? 0x001f :
151 colors[c & 1];
152 for (y = 0; y < 8; y++, d += pl_vout_w)
153 for (x = 0; x < 8; x++)
154 d[x] = p;
155 }
156}
157
158static void print_hud(int x, int w, int h)
159{
160 if (h < 192)
161 return;
162
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, x);
171 else if (g_opts & OPT_SHOWFPS)
172 print_fps(h, x);
173
174 if (g_opts & OPT_SHOWCPU)
175 print_cpu_usage(x + w, h);
176}
177
178/* update scaler target size according to user settings */
179static 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 if (g_scaler != SCALE_CUSTOM) {
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 }
234 if (g_layer_w > g_menuscreen_w * 2) g_layer_w = g_menuscreen_w * 2;
235 if (g_layer_h > g_menuscreen_h * 2) g_layer_h = g_menuscreen_h * 2;
236}
237
238// XXX: this is platform specific really
239static inline int resolution_ok(int w, int h)
240{
241 return w <= 1024 && h <= 512;
242}
243
244static 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 assert(vout_h >= 192);
265
266 pl_vout_scale_w = pl_vout_scale_h = 1;
267#ifdef __ARM_NEON__
268 if (soft_filter) {
269 if (resolution_ok(w * 2, h * 2) && bpp == 16) {
270 pl_vout_scale_w = 2;
271 pl_vout_scale_h = 2;
272 }
273 else {
274 // filter unavailable
275 hud_msg[0] = 0;
276 }
277 }
278 else if (scanlines != 0 && scanline_level != 100 && bpp == 16) {
279 if (h <= 256)
280 pl_vout_scale_h = 2;
281 }
282#endif
283 vout_w *= pl_vout_scale_w;
284 vout_h *= pl_vout_scale_h;
285
286 update_layer_size(vout_w, vout_h);
287
288 pl_vout_buf = plat_gvideo_set_mode(&vout_w, &vout_h, &vout_bpp);
289 if (pl_vout_buf == NULL && pl_plat_blit == NULL)
290 fprintf(stderr, "failed to set mode %dx%d@%d\n",
291 vout_w, vout_h, vout_bpp);
292 else {
293 pl_vout_w = vout_w;
294 pl_vout_h = vout_h;
295 pl_vout_bpp = vout_bpp;
296 pl_vout_yoffset = buf_yoffset;
297 }
298 if (pl_vout_buf != NULL)
299 pl_vout_buf = (char *)pl_vout_buf
300 + pl_vout_yoffset * pl_vout_w * pl_vout_bpp / 8;
301
302 menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);
303}
304
305static int flip_clear_counter;
306
307void pl_force_clear(void)
308{
309 flip_clear_counter = 2;
310}
311
312static void pl_vout_flip(const void *vram, int stride, int bgr24,
313 int x, int y, int w, int h, int dims_changed)
314{
315 unsigned char *dest = pl_vout_buf;
316 const unsigned short *src = vram;
317 int dstride = pl_vout_w, h1 = h;
318 int h_full = pl_vout_h - pl_vout_yoffset;
319 int xoffs = 0, doffs;
320
321 pcnt_start(PCNT_BLIT);
322
323 if (vram == NULL) {
324 // blanking
325 if (pl_plat_clear)
326 pl_plat_clear();
327 else
328 memset(pl_vout_buf, 0,
329 dstride * h_full * pl_vout_bpp / 8);
330 goto out_hud;
331 }
332
333 assert(x + w <= pl_vout_w);
334 assert(y + h <= pl_vout_h);
335
336 // offset
337 xoffs = x * pl_vout_scale_w;
338 doffs = xoffs + y * dstride;
339
340 if (dims_changed)
341 flip_clear_counter = 3;
342
343 if (flip_clear_counter > 0) {
344 if (pl_plat_clear)
345 pl_plat_clear();
346 else
347 memset(pl_vout_buf, 0,
348 dstride * h_full * pl_vout_bpp / 8);
349 flip_clear_counter--;
350 }
351
352 if (pl_plat_blit)
353 {
354 pl_plat_blit(doffs, src, w, h, stride, bgr24);
355 goto out_hud;
356 }
357
358 if (dest == NULL)
359 goto out;
360
361 dest += doffs * 2;
362
363 if (bgr24)
364 {
365 if (pl_rearmed_cbs.only_16bpp) {
366 for (; h1-- > 0; dest += dstride * 2, src += stride)
367 {
368 bgr888_to_rgb565(dest, src, w * 3);
369 }
370 }
371 else {
372 dest -= doffs * 2;
373 dest += (doffs / 8) * 24;
374
375 for (; h1-- > 0; dest += dstride * 3, src += stride)
376 {
377 bgr888_to_rgb888(dest, src, w * 3);
378 }
379 }
380 }
381#ifdef __ARM_NEON__
382 else if (soft_filter == SOFT_FILTER_SCALE2X && pl_vout_scale_w == 2)
383 {
384 neon_scale2x_16_16(src, (void *)dest, w,
385 stride * 2, dstride * 2, h);
386 }
387 else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale_w == 2)
388 {
389 neon_eagle2x_16_16(src, (void *)dest, w,
390 stride * 2, dstride * 2, h);
391 }
392 else if (scanlines != 0 && scanline_level != 100)
393 {
394 int h2, l = scanline_level * 2048 / 100;
395 int stride_0 = pl_vout_scale_h >= 2 ? 0 : stride;
396
397 h1 *= pl_vout_scale_h;
398 while (h1 > 0)
399 {
400 for (h2 = scanlines; h2 > 0 && h1 > 0; h2--, h1--) {
401 bgr555_to_rgb565(dest, src, w * 2);
402 dest += dstride * 2, src += stride_0;
403 }
404
405 for (h2 = scanlines; h2 > 0 && h1 > 0; h2--, h1--) {
406 bgr555_to_rgb565_b(dest, src, w * 2, l);
407 dest += dstride * 2, src += stride;
408 }
409 }
410 }
411#endif
412 else
413 {
414 for (; h1-- > 0; dest += dstride * 2, src += stride)
415 {
416 bgr555_to_rgb565(dest, src, w * 2);
417 }
418 }
419
420out_hud:
421 print_hud(xoffs, w * pl_vout_scale_w, (y + h) * pl_vout_scale_h);
422
423out:
424 pcnt_end(PCNT_BLIT);
425
426 // let's flip now
427 pl_vout_buf = plat_gvideo_flip();
428 if (pl_vout_buf != NULL)
429 pl_vout_buf = (char *)pl_vout_buf
430 + pl_vout_yoffset * pl_vout_w * pl_vout_bpp / 8;
431
432 pl_rearmed_cbs.flip_cnt++;
433}
434
435static int pl_vout_open(void)
436{
437 struct timeval now;
438
439 // force mode update on pl_vout_set_mode() call from gpulib/vout_pl
440 pl_vout_buf = NULL;
441
442 plat_gvideo_open(is_pal);
443
444 gettimeofday(&now, 0);
445 vsync_usec_time = now.tv_usec;
446 while (vsync_usec_time >= frame_interval)
447 vsync_usec_time -= frame_interval;
448
449 return 0;
450}
451
452static void pl_vout_close(void)
453{
454 plat_gvideo_close();
455}
456
457static void pl_set_gpu_caps(int caps)
458{
459 pl_rearmed_cbs.gpu_caps = caps;
460}
461
462void *pl_prepare_screenshot(int *w, int *h, int *bpp)
463{
464 void *ret = plat_prepare_screenshot(w, h, bpp);
465 if (ret != NULL)
466 return ret;
467
468 *w = pl_vout_w;
469 *h = pl_vout_h;
470 *bpp = pl_vout_bpp;
471
472 return pl_vout_buf;
473}
474
475/* display/redering mode switcher */
476static int dispmode_default(void)
477{
478 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
479 soft_filter = SOFT_FILTER_NONE;
480 snprintf(hud_msg, sizeof(hud_msg), "default mode");
481 return 1;
482}
483
484#ifdef BUILTIN_GPU_NEON
485static int dispmode_doubleres(void)
486{
487 if (!(pl_rearmed_cbs.gpu_caps & GPU_CAP_SUPPORTS_2X)
488 || !resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
489 return 0;
490
491 dispmode_default();
492 pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
493 snprintf(hud_msg, sizeof(hud_msg), "double resolution");
494 return 1;
495}
496#endif
497
498#ifdef __ARM_NEON__
499static int dispmode_scale2x(void)
500{
501 if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
502 return 0;
503
504 dispmode_default();
505 soft_filter = SOFT_FILTER_SCALE2X;
506 snprintf(hud_msg, sizeof(hud_msg), "scale2x");
507 return 1;
508}
509
510static int dispmode_eagle2x(void)
511{
512 if (!resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
513 return 0;
514
515 dispmode_default();
516 soft_filter = SOFT_FILTER_EAGLE2X;
517 snprintf(hud_msg, sizeof(hud_msg), "eagle2x");
518 return 1;
519}
520#endif
521
522static int (*dispmode_switchers[])(void) = {
523 dispmode_default,
524#ifdef BUILTIN_GPU_NEON
525 dispmode_doubleres,
526#endif
527#ifdef __ARM_NEON__
528 dispmode_scale2x,
529 dispmode_eagle2x,
530#endif
531};
532
533static int dispmode_current;
534
535void pl_switch_dispmode(void)
536{
537 if (pl_rearmed_cbs.gpu_caps & GPU_CAP_OWNS_DISPLAY)
538 return;
539
540 while (1) {
541 dispmode_current++;
542 if (dispmode_current >=
543 sizeof(dispmode_switchers) / sizeof(dispmode_switchers[0]))
544 dispmode_current = 0;
545 if (dispmode_switchers[dispmode_current]())
546 break;
547 }
548}
549
550#ifndef MAEMO
551/* adjust circle-like analog inputs to better match
552 * more square-like analogs in PSX */
553static void update_analog_nub_adjust(int *x_, int *y_)
554{
555 #define d 16
556 static const int scale[] =
557 { 0 - d*2, 0 - d*2, 0 - d*2, 12 - d*2,
558 30 - d*2, 60 - d*2, 75 - d*2, 60 - d*2, 60 - d*2 };
559 int x = abs(*x_);
560 int y = abs(*y_);
561 int scale_x = scale[y / 16];
562 int scale_y = scale[x / 16];
563
564 if (x) {
565 x += d + (x * scale_x >> 8);
566 if (*x_ < 0)
567 x = -x;
568 }
569 if (y) {
570 y += d + (y * scale_y >> 8);
571 if (*y_ < 0)
572 y = -y;
573 }
574
575 *x_ = x;
576 *y_ = y;
577 #undef d
578}
579
580static void update_analogs(void)
581{
582 int *nubp[2] = { in_analog_left[0], in_analog_right[0] };
583 int vals[2];
584 int i, a, v, ret;
585
586 for (i = 0; i < 2; i++)
587 {
588 if (in_adev[i] < 0)
589 continue;
590
591 for (a = 0; a < 2; a++) {
592 vals[a] = 0;
593
594 ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
595 if (ret == 0)
596 vals[a] = 128 * v / IN_ABS_RANGE;
597 }
598
599 if (in_adev_is_nublike[i])
600 update_analog_nub_adjust(&vals[0], &vals[1]);
601
602 for (a = 0; a < 2; a++) {
603 v = vals[a] + 127;
604 if (v < 0) v = 0;
605 else if (v > 255) v = 255;
606 nubp[i][a] = v;
607 }
608
609 }
610}
611
612static void update_input(void)
613{
614 int actions[IN_BINDTYPE_COUNT] = { 0, };
615 unsigned int emu_act;
616
617 in_update(actions);
618 if (in_type[0] == PSE_PAD_TYPE_ANALOGJOY || in_type[0] == PSE_PAD_TYPE_ANALOGPAD)
619 update_analogs();
620 emu_act = actions[IN_BINDTYPE_EMU];
621 in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
622
623 emu_act &= ~SACTION_GUN_MASK;
624 if (emu_act) {
625 int which = 0;
626 for (; !(emu_act & 1); emu_act >>= 1, which++)
627 ;
628 emu_act = which;
629 }
630 emu_set_action(emu_act);
631
632 in_keystate[0] = actions[IN_BINDTYPE_PLAYER12];
633
634 // fixme
635 //if (in_type[0] == PSE_PAD_TYPE_GUNCON && tsdev)
636 // pl_gun_ts_update(tsdev, xn, yn, in);
637 // in_analog_left[0][0] = xn
638}
639#else /* MAEMO */
640extern void update_input(void);
641#endif
642
643void pl_gun_byte2(int port, unsigned char byte)
644{
645}
646
647#define MAX_LAG_FRAMES 3
648
649#define tvdiff(tv, tv_old) \
650 ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
651
652/* called on every vsync */
653void pl_frame_limit(void)
654{
655 static struct timeval tv_old, tv_expect;
656 static int vsync_cnt_prev, drc_active_vsyncs;
657 struct timeval now;
658 int diff, usadj;
659
660 if (g_emu_resetting)
661 return;
662
663 vsync_cnt++;
664
665 /* doing input here because the pad is polled
666 * thousands of times per frame for some reason */
667 update_input();
668
669 pcnt_end(PCNT_ALL);
670 gettimeofday(&now, 0);
671
672 if (now.tv_sec != tv_old.tv_sec) {
673 diff = tvdiff(now, tv_old);
674 pl_rearmed_cbs.vsps_cur = 0.0f;
675 if (0 < diff && diff < 2000000)
676 pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
677 vsync_cnt_prev = vsync_cnt;
678
679 if (g_opts & OPT_SHOWFPS)
680 pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
681 pl_rearmed_cbs.flip_cnt = 0;
682 if (g_opts & OPT_SHOWCPU)
683 pl_rearmed_cbs.cpu_usage = get_cpu_ticks();
684
685 if (hud_new_msg > 0) {
686 hud_new_msg--;
687 if (hud_new_msg == 0)
688 hud_msg[0] = 0;
689 }
690 tv_old = now;
691 //new_dynarec_print_stats();
692 }
693#ifdef PCNT
694 static int ya_vsync_count;
695 if (++ya_vsync_count == PCNT_FRAMES) {
696 pcnt_print(pl_rearmed_cbs.vsps_cur);
697 ya_vsync_count = 0;
698 }
699#endif
700
701 // tv_expect uses usec*1024 units instead of usecs for better accuracy
702 tv_expect.tv_usec += frame_interval1024;
703 if (tv_expect.tv_usec >= (1000000 << 10)) {
704 tv_expect.tv_usec -= (1000000 << 10);
705 tv_expect.tv_sec++;
706 }
707 diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
708
709 if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
710 //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
711 tv_expect = now;
712 diff = 0;
713 // try to align with vsync
714 usadj = vsync_usec_time;
715 while (usadj < tv_expect.tv_usec - frame_interval)
716 usadj += frame_interval;
717 tv_expect.tv_usec = usadj << 10;
718 }
719
720 if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
721 // yay for working usleep on pandora!
722 //printf("usleep %d\n", diff - frame_interval / 2);
723 usleep(diff - frame_interval);
724 }
725
726 if (pl_rearmed_cbs.frameskip) {
727 if (diff < -frame_interval)
728 pl_rearmed_cbs.fskip_advice = 1;
729 else if (diff >= 0)
730 pl_rearmed_cbs.fskip_advice = 0;
731
732 // recompilation is not that fast and may cause frame skip on
733 // loading screens and such, resulting in flicker or glitches
734 if (new_dynarec_did_compile) {
735 if (drc_active_vsyncs < 32)
736 pl_rearmed_cbs.fskip_advice = 0;
737 drc_active_vsyncs++;
738 }
739 else
740 drc_active_vsyncs = 0;
741 new_dynarec_did_compile = 0;
742 }
743
744 pcnt_start(PCNT_ALL);
745}
746
747void pl_timing_prepare(int is_pal_)
748{
749 pl_rearmed_cbs.fskip_advice = 0;
750 pl_rearmed_cbs.flips_per_sec = 0;
751 pl_rearmed_cbs.cpu_usage = 0;
752
753 is_pal = is_pal_;
754 frame_interval = is_pal ? 20000 : 16667;
755 frame_interval1024 = is_pal ? 20000*1024 : 17066667;
756
757 // used by P.E.Op.S. frameskip code
758 pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
759 pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
760 (100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
761}
762
763static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
764{
765 *x = g_layer_x;
766 *y = g_layer_y;
767 *w = g_layer_w;
768 *h = g_layer_h;
769}
770
771static void *pl_mmap(unsigned int size);
772static void pl_munmap(void *ptr, unsigned int size);
773
774struct rearmed_cbs pl_rearmed_cbs = {
775 pl_get_layer_pos,
776 pl_vout_open,
777 pl_vout_set_mode,
778 pl_vout_flip,
779 pl_vout_close,
780
781 .mmap = pl_mmap,
782 .munmap = pl_munmap,
783 .pl_set_gpu_caps = pl_set_gpu_caps,
784 .gpu_state_change = gpu_state_change,
785};
786
787/* watchdog */
788static void *watchdog_thread(void *unused)
789{
790 int vsync_cnt_old = 0;
791 int seen_dead = 0;
792 int sleep_time = 5;
793
794#if !defined(NDEBUG) || defined(DRC_DBG)
795 // don't interfere with debug
796 return NULL;
797#endif
798 while (1)
799 {
800 sleep(sleep_time);
801
802 if (stop) {
803 seen_dead = 0;
804 sleep_time = 5;
805 continue;
806 }
807 if (vsync_cnt != vsync_cnt_old) {
808 vsync_cnt_old = vsync_cnt;
809 seen_dead = 0;
810 sleep_time = 2;
811 continue;
812 }
813
814 seen_dead++;
815 sleep_time = 1;
816 if (seen_dead > 1)
817 fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
818 if (seen_dead > 4) {
819 fprintf(stderr, "watchdog: lockup detected, aborting\n");
820 // we can't do any cleanup here really, the main thread is
821 // likely touching resources and would crash anyway
822 abort();
823 }
824 }
825}
826
827void pl_start_watchdog(void)
828{
829 pthread_attr_t attr;
830 pthread_t tid;
831 int ret;
832
833 pthread_attr_init(&attr);
834 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
835
836 ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
837 if (ret != 0)
838 fprintf(stderr, "could not start watchdog: %d\n", ret);
839}
840
841static void *pl_emu_mmap(unsigned long addr, size_t size, int is_fixed,
842 enum psxMapTag tag)
843{
844 return plat_mmap(addr, size, 0, is_fixed);
845}
846
847static void pl_emu_munmap(void *ptr, size_t size, enum psxMapTag tag)
848{
849 plat_munmap(ptr, size);
850}
851
852static void *pl_mmap(unsigned int size)
853{
854 return psxMapHook(0, size, 0, MAP_TAG_VRAM);
855}
856
857static void pl_munmap(void *ptr, unsigned int size)
858{
859 psxUnmapHook(ptr, size, MAP_TAG_VRAM);
860}
861
862void pl_init(void)
863{
864 extern unsigned int hSyncCount; // from psxcounters
865 extern unsigned int frame_counter;
866
867 psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
868 psx_bpp = pl_vout_bpp = 16;
869
870 tsdev = pl_gun_ts_init();
871
872 pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
873 pl_rearmed_cbs.gpu_frame_count = &frame_counter;
874
875 psxMapHook = pl_emu_mmap;
876 psxUnmapHook = pl_emu_munmap;
877}
ARM optimized PCSX fork