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