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