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1 | /* |
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2 | * (C) notaz, 2010-2011 |
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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> |
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10 | #include <string.h> |
11 | #include <stdarg.h> |
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12 | #include <stdint.h> |
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13 | #include <sys/time.h> |
14 | #include <sys/types.h> |
15 | #include <sys/stat.h> |
16 | #include <fcntl.h> |
17 | #include <unistd.h> |
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18 | #include <pthread.h> |
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19 | |
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20 | #include "plugin_lib.h" |
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21 | #include "linux/fbdev.h" |
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22 | #include "common/fonts.h" |
23 | #include "common/input.h" |
24 | #include "omap.h" |
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25 | #include "menu.h" |
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26 | #include "main.h" |
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27 | #include "pcnt.h" |
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28 | #include "../libpcsxcore/new_dynarec/new_dynarec.h" |
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29 | #include "../libpcsxcore/psemu_plugin_defs.h" |
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30 | |
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31 | void *pl_fbdev_buf; |
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32 | int pl_frame_interval; |
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33 | int in_type, in_keystate, in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 }; |
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34 | static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp; |
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35 | static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec; |
36 | static float vsps_cur; |
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37 | static int plugin_skip_advice; |
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38 | // P.E.Op.S. |
39 | extern int UseFrameSkip; |
40 | extern float fps_skip; |
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41 | |
42 | static int get_cpu_ticks(void) |
43 | { |
44 | static unsigned long last_utime; |
45 | static int fd; |
46 | unsigned long utime, ret; |
47 | char buf[128]; |
48 | |
49 | if (fd == 0) |
50 | fd = open("/proc/self/stat", O_RDONLY); |
51 | lseek(fd, 0, SEEK_SET); |
52 | buf[0] = 0; |
53 | read(fd, buf, sizeof(buf)); |
54 | buf[sizeof(buf) - 1] = 0; |
55 | |
56 | sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime); |
57 | ret = utime - last_utime; |
58 | last_utime = utime; |
59 | return ret; |
60 | } |
61 | |
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62 | static void print_hud(void) |
63 | { |
64 | if (pl_fbdev_bpp == 16) |
65 | pl_text_out16(2, pl_fbdev_h - 10, "%s", hud_msg); |
66 | } |
67 | |
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68 | static void print_fps(void) |
69 | { |
70 | if (pl_fbdev_bpp == 16) |
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71 | pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur); |
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72 | } |
73 | |
74 | static void print_cpu_usage(void) |
75 | { |
76 | if (pl_fbdev_bpp == 16) |
77 | pl_text_out16(pl_fbdev_w - 28, pl_fbdev_h - 10, "%3d", tick_per_sec); |
78 | } |
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79 | |
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80 | void *pl_fbdev_set_mode(int w, int h, int bpp) |
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81 | { |
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82 | void *ret; |
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83 | |
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84 | if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp) |
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85 | return pl_fbdev_buf; |
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86 | |
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87 | pl_fbdev_w = w; |
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88 | pl_fbdev_h = h; |
89 | pl_fbdev_bpp = bpp; |
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90 | |
91 | vout_fbdev_clear(layer_fb); |
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92 | ret = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3); |
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93 | if (ret == NULL) |
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94 | fprintf(stderr, "failed to set mode\n"); |
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95 | else |
96 | pl_fbdev_buf = ret; |
97 | |
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98 | menu_notify_mode_change(w, h, bpp); |
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99 | |
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100 | return pl_fbdev_buf; |
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101 | } |
102 | |
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103 | void *pl_fbdev_flip(void) |
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104 | { |
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105 | flip_cnt++; |
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106 | |
107 | if (pl_fbdev_buf != NULL) { |
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108 | if (hud_msg[0] != 0) |
109 | print_hud(); |
110 | else if (g_opts & OPT_SHOWFPS) |
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111 | print_fps(); |
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112 | |
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113 | if (g_opts & OPT_SHOWCPU) |
114 | print_cpu_usage(); |
115 | } |
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116 | |
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117 | // let's flip now |
118 | pl_fbdev_buf = vout_fbdev_flip(layer_fb); |
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119 | return pl_fbdev_buf; |
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120 | } |
121 | |
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122 | int pl_fbdev_open(void) |
123 | { |
124 | pl_fbdev_buf = vout_fbdev_flip(layer_fb); |
125 | omap_enable_layer(1); |
126 | return 0; |
127 | } |
128 | |
129 | void pl_fbdev_close(void) |
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130 | { |
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131 | omap_enable_layer(0); |
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132 | } |
133 | |
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134 | void *pl_prepare_screenshot(int *w, int *h, int *bpp) |
135 | { |
136 | *w = pl_fbdev_w; |
137 | *h = pl_fbdev_h; |
138 | *bpp = pl_fbdev_bpp; |
139 | |
140 | return pl_fbdev_buf; |
141 | } |
142 | |
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143 | static void update_input(void) |
144 | { |
145 | int actions[IN_BINDTYPE_COUNT] = { 0, }; |
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146 | unsigned int emu_act; |
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147 | |
148 | in_update(actions); |
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149 | if (in_type == PSE_PAD_TYPE_ANALOGPAD) |
150 | in_update_analogs(); |
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151 | emu_act = actions[IN_BINDTYPE_EMU]; |
152 | if (emu_act) { |
153 | int which = 0; |
154 | for (; !(emu_act & 1); emu_act >>= 1, which++) |
155 | ; |
156 | emu_act = which; |
157 | } |
158 | emu_set_action(emu_act); |
159 | |
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160 | in_keystate = actions[IN_BINDTYPE_PLAYER12]; |
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161 | |
162 | #ifdef X11 |
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163 | extern int x11_update_keys(void); |
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164 | in_keystate |= x11_update_keys(); |
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165 | #endif |
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166 | } |
167 | |
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168 | #define MAX_LAG_FRAMES 3 |
169 | |
170 | #define tvdiff(tv, tv_old) \ |
171 | ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec) |
172 | // assumes us < 1000000 |
173 | #define tvadd(tv, us) { \ |
174 | tv.tv_usec += us; \ |
175 | if (tv.tv_usec >= 1000000) { \ |
176 | tv.tv_usec -= 1000000; \ |
177 | tv.tv_sec++; \ |
178 | } \ |
179 | } |
180 | |
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181 | /* called on every vsync */ |
182 | void pl_frame_limit(void) |
183 | { |
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184 | static struct timeval tv_old, tv_expect; |
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185 | static int vsync_cnt_prev; |
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186 | struct timeval now; |
187 | int diff; |
188 | |
189 | vsync_cnt++; |
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190 | |
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191 | /* doing input here because the pad is polled |
192 | * thousands of times per frame for some reason */ |
193 | update_input(); |
194 | |
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195 | pcnt_end(PCNT_ALL); |
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196 | gettimeofday(&now, 0); |
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197 | |
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198 | if (now.tv_sec != tv_old.tv_sec) { |
199 | diff = tvdiff(now, tv_old); |
200 | vsps_cur = 0.0f; |
201 | if (0 < diff && diff < 2000000) |
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202 | vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff; |
203 | vsync_cnt_prev = vsync_cnt; |
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204 | flips_per_sec = flip_cnt; |
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205 | flip_cnt = 0; |
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206 | tv_old = now; |
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207 | if (g_opts & OPT_SHOWCPU) |
208 | tick_per_sec = get_cpu_ticks(); |
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209 | |
210 | if (hud_new_msg > 0) { |
211 | hud_new_msg--; |
212 | if (hud_new_msg == 0) |
213 | hud_msg[0] = 0; |
214 | } |
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215 | } |
216 | #ifdef PCNT |
217 | static int ya_vsync_count; |
218 | if (++ya_vsync_count == PCNT_FRAMES) { |
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219 | pcnt_print(vsps_cur); |
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220 | ya_vsync_count = 0; |
221 | } |
222 | #endif |
223 | |
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224 | tvadd(tv_expect, pl_frame_interval); |
225 | diff = tvdiff(tv_expect, now); |
226 | if (diff > MAX_LAG_FRAMES * pl_frame_interval || diff < -MAX_LAG_FRAMES * pl_frame_interval) { |
227 | //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval); |
228 | tv_expect = now; |
229 | diff = 0; |
230 | } |
231 | |
232 | if (!(g_opts & OPT_NO_FRAMELIM) && diff > pl_frame_interval) { |
233 | // yay for working usleep on pandora! |
234 | //printf("usleep %d\n", diff - pl_frame_interval / 2); |
235 | usleep(diff - pl_frame_interval / 2); |
236 | } |
237 | |
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238 | if (UseFrameSkip) { |
239 | if (diff < -pl_frame_interval) { |
240 | // P.E.Op.S. makes skip decision based on this |
241 | fps_skip = 1.0f; |
242 | plugin_skip_advice = 1; |
243 | } |
244 | else if (diff >= 0) { |
245 | fps_skip = 100.0f; |
246 | plugin_skip_advice = 0; |
247 | } |
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248 | } |
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249 | |
250 | pcnt_start(PCNT_ALL); |
251 | } |
252 | |
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253 | static void pl_text_out16_(int x, int y, const char *text) |
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254 | { |
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255 | int i, l, len = strlen(text), w = pl_fbdev_w; |
256 | unsigned short *screen = (unsigned short *)pl_fbdev_buf + x + y * w; |
257 | unsigned short val = 0xffff; |
258 | |
259 | for (i = 0; i < len; i++, screen += 8) |
260 | { |
261 | for (l = 0; l < 8; l++) |
262 | { |
263 | unsigned char fd = fontdata8x8[text[i] * 8 + l]; |
264 | unsigned short *s = screen + l * w; |
265 | if (fd&0x80) s[0] = val; |
266 | if (fd&0x40) s[1] = val; |
267 | if (fd&0x20) s[2] = val; |
268 | if (fd&0x10) s[3] = val; |
269 | if (fd&0x08) s[4] = val; |
270 | if (fd&0x04) s[5] = val; |
271 | if (fd&0x02) s[6] = val; |
272 | if (fd&0x01) s[7] = val; |
273 | } |
274 | } |
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275 | } |
276 | |
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277 | void pl_text_out16(int x, int y, const char *texto, ...) |
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278 | { |
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279 | va_list args; |
280 | char buffer[256]; |
281 | |
282 | va_start(args, texto); |
283 | vsnprintf(buffer, sizeof(buffer), texto, args); |
284 | va_end(args); |
285 | |
286 | pl_text_out16_(x, y, buffer); |
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287 | } |
288 | |
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289 | static void pl_get_layer_pos(int *x, int *y, int *w, int *h) |
290 | { |
291 | *x = g_layer_x; |
292 | *y = g_layer_y; |
293 | *w = g_layer_w; |
294 | *h = g_layer_h; |
295 | } |
296 | |
297 | const struct rearmed_cbs pl_rearmed_cbs = { |
298 | pl_get_layer_pos, |
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299 | pl_fbdev_open, |
300 | pl_fbdev_set_mode, |
301 | pl_fbdev_flip, |
302 | pl_fbdev_close, |
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303 | &plugin_skip_advice, |
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304 | }; |
305 | |
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306 | /* watchdog */ |
307 | static void *watchdog_thread(void *unused) |
308 | { |
309 | int vsync_cnt_old = 0; |
310 | int seen_dead = 0; |
311 | int sleep_time = 5; |
312 | |
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313 | #ifndef NDEBUG |
314 | // don't interfere with debug |
315 | return NULL; |
316 | #endif |
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317 | while (1) |
318 | { |
319 | sleep(sleep_time); |
320 | |
321 | if (stop) { |
322 | seen_dead = 0; |
323 | sleep_time = 5; |
324 | continue; |
325 | } |
326 | if (vsync_cnt != vsync_cnt_old) { |
327 | vsync_cnt_old = vsync_cnt; |
328 | seen_dead = 0; |
329 | sleep_time = 2; |
330 | continue; |
331 | } |
332 | |
333 | seen_dead++; |
334 | sleep_time = 1; |
335 | if (seen_dead > 1) |
336 | fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead); |
337 | if (seen_dead > 4) { |
338 | fprintf(stderr, "watchdog: lockup detected, aborting\n"); |
339 | // we can't do any cleanup here really, the main thread is |
340 | // likely touching resources and would crash anyway |
341 | abort(); |
342 | } |
343 | } |
344 | } |
345 | |
346 | void pl_start_watchdog(void) |
347 | { |
348 | pthread_attr_t attr; |
349 | pthread_t tid; |
350 | int ret; |
351 | |
352 | pthread_attr_init(&attr); |
353 | pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
354 | |
355 | ret = pthread_create(&tid, &attr, watchdog_thread, NULL); |
356 | if (ret != 0) |
357 | fprintf(stderr, "could not start watchdog: %d\n", ret); |
358 | } |
359 | |