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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 | static int vsync_usec_time; |
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39 | // P.E.Op.S. |
40 | extern int UseFrameSkip; |
41 | extern float fps_skip; |
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42 | |
43 | static int get_cpu_ticks(void) |
44 | { |
45 | static unsigned long last_utime; |
46 | static int fd; |
47 | unsigned long utime, ret; |
48 | char buf[128]; |
49 | |
50 | if (fd == 0) |
51 | fd = open("/proc/self/stat", O_RDONLY); |
52 | lseek(fd, 0, SEEK_SET); |
53 | buf[0] = 0; |
54 | read(fd, buf, sizeof(buf)); |
55 | buf[sizeof(buf) - 1] = 0; |
56 | |
57 | sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime); |
58 | ret = utime - last_utime; |
59 | last_utime = utime; |
60 | return ret; |
61 | } |
62 | |
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63 | static void print_hud(void) |
64 | { |
65 | if (pl_fbdev_bpp == 16) |
66 | pl_text_out16(2, pl_fbdev_h - 10, "%s", hud_msg); |
67 | } |
68 | |
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69 | static void print_fps(void) |
70 | { |
71 | if (pl_fbdev_bpp == 16) |
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72 | pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur); |
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73 | } |
74 | |
75 | static void print_cpu_usage(void) |
76 | { |
77 | if (pl_fbdev_bpp == 16) |
78 | pl_text_out16(pl_fbdev_w - 28, pl_fbdev_h - 10, "%3d", tick_per_sec); |
79 | } |
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80 | |
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81 | void *pl_fbdev_set_mode(int w, int h, int bpp) |
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82 | { |
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83 | void *ret; |
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84 | |
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85 | if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp) |
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86 | return pl_fbdev_buf; |
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87 | |
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88 | pl_fbdev_w = w; |
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89 | pl_fbdev_h = h; |
90 | pl_fbdev_bpp = bpp; |
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91 | |
92 | vout_fbdev_clear(layer_fb); |
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93 | ret = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3); |
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94 | if (ret == NULL) |
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95 | fprintf(stderr, "failed to set mode\n"); |
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96 | else |
97 | pl_fbdev_buf = ret; |
98 | |
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99 | menu_notify_mode_change(w, h, bpp); |
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100 | |
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101 | return pl_fbdev_buf; |
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102 | } |
103 | |
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104 | void *pl_fbdev_flip(void) |
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105 | { |
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106 | flip_cnt++; |
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107 | |
108 | if (pl_fbdev_buf != NULL) { |
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109 | if (hud_msg[0] != 0) |
110 | print_hud(); |
111 | else if (g_opts & OPT_SHOWFPS) |
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112 | print_fps(); |
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113 | |
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114 | if (g_opts & OPT_SHOWCPU) |
115 | print_cpu_usage(); |
116 | } |
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117 | |
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118 | // let's flip now |
119 | pl_fbdev_buf = vout_fbdev_flip(layer_fb); |
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120 | return pl_fbdev_buf; |
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121 | } |
122 | |
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123 | int pl_fbdev_open(void) |
124 | { |
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125 | struct timeval now; |
126 | |
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127 | pl_fbdev_buf = vout_fbdev_flip(layer_fb); |
128 | omap_enable_layer(1); |
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129 | |
130 | // try to align redraws to vsync |
131 | vout_fbdev_wait_vsync(layer_fb); |
132 | gettimeofday(&now, 0); |
133 | vsync_usec_time = now.tv_usec; |
134 | while (vsync_usec_time >= pl_frame_interval) |
135 | vsync_usec_time -= pl_frame_interval; |
136 | |
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137 | return 0; |
138 | } |
139 | |
140 | void pl_fbdev_close(void) |
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141 | { |
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142 | omap_enable_layer(0); |
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143 | } |
144 | |
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145 | void *pl_prepare_screenshot(int *w, int *h, int *bpp) |
146 | { |
147 | *w = pl_fbdev_w; |
148 | *h = pl_fbdev_h; |
149 | *bpp = pl_fbdev_bpp; |
150 | |
151 | return pl_fbdev_buf; |
152 | } |
153 | |
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154 | static void update_input(void) |
155 | { |
156 | int actions[IN_BINDTYPE_COUNT] = { 0, }; |
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157 | unsigned int emu_act; |
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158 | |
159 | in_update(actions); |
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160 | if (in_type == PSE_PAD_TYPE_ANALOGPAD) |
161 | in_update_analogs(); |
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162 | emu_act = actions[IN_BINDTYPE_EMU]; |
163 | if (emu_act) { |
164 | int which = 0; |
165 | for (; !(emu_act & 1); emu_act >>= 1, which++) |
166 | ; |
167 | emu_act = which; |
168 | } |
169 | emu_set_action(emu_act); |
170 | |
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171 | in_keystate = actions[IN_BINDTYPE_PLAYER12]; |
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172 | |
173 | #ifdef X11 |
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174 | extern int x11_update_keys(unsigned int *action); |
175 | in_keystate |= x11_update_keys(&emu_act); |
176 | emu_set_action(emu_act); |
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177 | #endif |
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178 | } |
179 | |
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180 | #define MAX_LAG_FRAMES 3 |
181 | |
182 | #define tvdiff(tv, tv_old) \ |
183 | ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec) |
184 | // assumes us < 1000000 |
185 | #define tvadd(tv, us) { \ |
186 | tv.tv_usec += us; \ |
187 | if (tv.tv_usec >= 1000000) { \ |
188 | tv.tv_usec -= 1000000; \ |
189 | tv.tv_sec++; \ |
190 | } \ |
191 | } |
192 | |
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193 | /* called on every vsync */ |
194 | void pl_frame_limit(void) |
195 | { |
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196 | static struct timeval tv_old, tv_expect; |
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197 | static int vsync_cnt_prev; |
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198 | struct timeval now; |
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199 | int diff, usadj; |
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200 | |
201 | vsync_cnt++; |
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202 | |
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203 | /* doing input here because the pad is polled |
204 | * thousands of times per frame for some reason */ |
205 | update_input(); |
206 | |
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207 | pcnt_end(PCNT_ALL); |
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208 | gettimeofday(&now, 0); |
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209 | |
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210 | if (now.tv_sec != tv_old.tv_sec) { |
211 | diff = tvdiff(now, tv_old); |
212 | vsps_cur = 0.0f; |
213 | if (0 < diff && diff < 2000000) |
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214 | vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff; |
215 | vsync_cnt_prev = vsync_cnt; |
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216 | flips_per_sec = flip_cnt; |
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217 | flip_cnt = 0; |
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218 | tv_old = now; |
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219 | if (g_opts & OPT_SHOWCPU) |
220 | tick_per_sec = get_cpu_ticks(); |
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221 | |
222 | if (hud_new_msg > 0) { |
223 | hud_new_msg--; |
224 | if (hud_new_msg == 0) |
225 | hud_msg[0] = 0; |
226 | } |
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227 | } |
228 | #ifdef PCNT |
229 | static int ya_vsync_count; |
230 | if (++ya_vsync_count == PCNT_FRAMES) { |
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231 | pcnt_print(vsps_cur); |
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232 | ya_vsync_count = 0; |
233 | } |
234 | #endif |
235 | |
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236 | tvadd(tv_expect, pl_frame_interval); |
237 | diff = tvdiff(tv_expect, now); |
238 | if (diff > MAX_LAG_FRAMES * pl_frame_interval || diff < -MAX_LAG_FRAMES * pl_frame_interval) { |
239 | //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval); |
240 | tv_expect = now; |
241 | diff = 0; |
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242 | // try to align with vsync |
243 | usadj = vsync_usec_time; |
244 | while (usadj < tv_expect.tv_usec - pl_frame_interval) |
245 | usadj += pl_frame_interval; |
246 | tv_expect.tv_usec = usadj; |
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247 | } |
248 | |
249 | if (!(g_opts & OPT_NO_FRAMELIM) && diff > pl_frame_interval) { |
250 | // yay for working usleep on pandora! |
251 | //printf("usleep %d\n", diff - pl_frame_interval / 2); |
252 | usleep(diff - pl_frame_interval / 2); |
253 | } |
254 | |
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255 | if (UseFrameSkip) { |
256 | if (diff < -pl_frame_interval) { |
257 | // P.E.Op.S. makes skip decision based on this |
258 | fps_skip = 1.0f; |
259 | plugin_skip_advice = 1; |
260 | } |
261 | else if (diff >= 0) { |
262 | fps_skip = 100.0f; |
263 | plugin_skip_advice = 0; |
264 | } |
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265 | } |
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266 | |
267 | pcnt_start(PCNT_ALL); |
268 | } |
269 | |
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270 | static void pl_text_out16_(int x, int y, const char *text) |
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271 | { |
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272 | int i, l, len = strlen(text), w = pl_fbdev_w; |
273 | unsigned short *screen = (unsigned short *)pl_fbdev_buf + x + y * w; |
274 | unsigned short val = 0xffff; |
275 | |
276 | for (i = 0; i < len; i++, screen += 8) |
277 | { |
278 | for (l = 0; l < 8; l++) |
279 | { |
280 | unsigned char fd = fontdata8x8[text[i] * 8 + l]; |
281 | unsigned short *s = screen + l * w; |
282 | if (fd&0x80) s[0] = val; |
283 | if (fd&0x40) s[1] = val; |
284 | if (fd&0x20) s[2] = val; |
285 | if (fd&0x10) s[3] = val; |
286 | if (fd&0x08) s[4] = val; |
287 | if (fd&0x04) s[5] = val; |
288 | if (fd&0x02) s[6] = val; |
289 | if (fd&0x01) s[7] = val; |
290 | } |
291 | } |
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292 | } |
293 | |
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294 | void pl_text_out16(int x, int y, const char *texto, ...) |
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295 | { |
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296 | va_list args; |
297 | char buffer[256]; |
298 | |
299 | va_start(args, texto); |
300 | vsnprintf(buffer, sizeof(buffer), texto, args); |
301 | va_end(args); |
302 | |
303 | pl_text_out16_(x, y, buffer); |
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304 | } |
305 | |
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306 | static void pl_get_layer_pos(int *x, int *y, int *w, int *h) |
307 | { |
308 | *x = g_layer_x; |
309 | *y = g_layer_y; |
310 | *w = g_layer_w; |
311 | *h = g_layer_h; |
312 | } |
313 | |
314 | const struct rearmed_cbs pl_rearmed_cbs = { |
315 | pl_get_layer_pos, |
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316 | pl_fbdev_open, |
317 | pl_fbdev_set_mode, |
318 | pl_fbdev_flip, |
319 | pl_fbdev_close, |
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320 | &plugin_skip_advice, |
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321 | }; |
322 | |
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323 | /* watchdog */ |
324 | static void *watchdog_thread(void *unused) |
325 | { |
326 | int vsync_cnt_old = 0; |
327 | int seen_dead = 0; |
328 | int sleep_time = 5; |
329 | |
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330 | #ifndef NDEBUG |
331 | // don't interfere with debug |
332 | return NULL; |
333 | #endif |
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334 | while (1) |
335 | { |
336 | sleep(sleep_time); |
337 | |
338 | if (stop) { |
339 | seen_dead = 0; |
340 | sleep_time = 5; |
341 | continue; |
342 | } |
343 | if (vsync_cnt != vsync_cnt_old) { |
344 | vsync_cnt_old = vsync_cnt; |
345 | seen_dead = 0; |
346 | sleep_time = 2; |
347 | continue; |
348 | } |
349 | |
350 | seen_dead++; |
351 | sleep_time = 1; |
352 | if (seen_dead > 1) |
353 | fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead); |
354 | if (seen_dead > 4) { |
355 | fprintf(stderr, "watchdog: lockup detected, aborting\n"); |
356 | // we can't do any cleanup here really, the main thread is |
357 | // likely touching resources and would crash anyway |
358 | abort(); |
359 | } |
360 | } |
361 | } |
362 | |
363 | void pl_start_watchdog(void) |
364 | { |
365 | pthread_attr_t attr; |
366 | pthread_t tid; |
367 | int ret; |
368 | |
369 | pthread_attr_init(&attr); |
370 | pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
371 | |
372 | ret = pthread_create(&tid, &attr, watchdog_thread, NULL); |
373 | if (ret != 0) |
374 | fprintf(stderr, "could not start watchdog: %d\n", ret); |
375 | } |
376 | |