4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
14 #include <sys/types.h>
20 #include "plugin_lib.h"
21 #include "linux/fbdev.h"
22 #include "common/fonts.h"
23 #include "common/input.h"
27 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
28 #include "../libpcsxcore/psemu_plugin_defs.h"
31 int pl_frame_interval;
32 int in_type, in_keystate, in_a1[2], in_a2[2];
33 static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp;
34 static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec;
35 static float vsps_cur;
36 static int plugin_skip_advice;
38 extern int UseFrameSkip;
39 extern float fps_skip;
41 static int get_cpu_ticks(void)
43 static unsigned long last_utime;
45 unsigned long utime, ret;
49 fd = open("/proc/self/stat", O_RDONLY);
50 lseek(fd, 0, SEEK_SET);
52 read(fd, buf, sizeof(buf));
53 buf[sizeof(buf) - 1] = 0;
55 sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
56 ret = utime - last_utime;
61 static void print_fps(void)
63 if (pl_fbdev_bpp == 16)
64 pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur);
67 static void print_cpu_usage(void)
69 if (pl_fbdev_bpp == 16)
70 pl_text_out16(pl_fbdev_w - 28, pl_fbdev_h - 10, "%3d", tick_per_sec);
73 void *pl_fbdev_set_mode(int w, int h, int bpp)
77 if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp)
84 vout_fbdev_clear(layer_fb);
85 ret = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3);
87 fprintf(stderr, "failed to set mode\n");
91 menu_notify_mode_change(w, h, bpp);
96 void *pl_fbdev_flip(void)
100 if (pl_fbdev_buf != NULL) {
101 if (g_opts & OPT_SHOWFPS)
103 if (g_opts & OPT_SHOWCPU)
108 pl_fbdev_buf = vout_fbdev_flip(layer_fb);
112 int pl_fbdev_open(void)
114 pl_fbdev_buf = vout_fbdev_flip(layer_fb);
115 omap_enable_layer(1);
119 void pl_fbdev_close(void)
121 omap_enable_layer(0);
124 static void update_input(void)
126 int actions[IN_BINDTYPE_COUNT] = { 0, };
129 if (in_type == PSE_PAD_TYPE_ANALOGPAD)
131 if (actions[IN_BINDTYPE_EMU] & PEV_MENU)
133 in_keystate = actions[IN_BINDTYPE_PLAYER12];
136 extern int x11_update_keys(void);
137 in_keystate |= x11_update_keys();
141 #define MAX_LAG_FRAMES 3
143 #define tvdiff(tv, tv_old) \
144 ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
145 // assumes us < 1000000
146 #define tvadd(tv, us) { \
148 if (tv.tv_usec >= 1000000) { \
149 tv.tv_usec -= 1000000; \
154 /* called on every vsync */
155 void pl_frame_limit(void)
157 static struct timeval tv_old, tv_expect;
158 static int vsync_cnt_prev;
164 /* doing input here because the pad is polled
165 * thousands of times per frame for some reason */
169 gettimeofday(&now, 0);
171 if (now.tv_sec != tv_old.tv_sec) {
172 diff = tvdiff(now, tv_old);
174 if (0 < diff && diff < 2000000)
175 vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
176 vsync_cnt_prev = vsync_cnt;
177 flips_per_sec = flip_cnt;
180 if (g_opts & OPT_SHOWCPU)
181 tick_per_sec = get_cpu_ticks();
184 static int ya_vsync_count;
185 if (++ya_vsync_count == PCNT_FRAMES) {
186 pcnt_print(vsps_cur);
191 tvadd(tv_expect, pl_frame_interval);
192 diff = tvdiff(tv_expect, now);
193 if (diff > MAX_LAG_FRAMES * pl_frame_interval || diff < -MAX_LAG_FRAMES * pl_frame_interval) {
194 //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval);
199 if (!(g_opts & OPT_NO_FRAMELIM) && diff > pl_frame_interval) {
200 // yay for working usleep on pandora!
201 //printf("usleep %d\n", diff - pl_frame_interval / 2);
202 usleep(diff - pl_frame_interval / 2);
205 plugin_skip_advice = 0;
206 if (UseFrameSkip && diff < -pl_frame_interval) {
207 // P.E.Op.S. makes skip decision based on this
209 plugin_skip_advice = 1;
212 pcnt_start(PCNT_ALL);
215 static void pl_text_out16_(int x, int y, const char *text)
217 int i, l, len = strlen(text), w = pl_fbdev_w;
218 unsigned short *screen = (unsigned short *)pl_fbdev_buf + x + y * w;
219 unsigned short val = 0xffff;
221 for (i = 0; i < len; i++, screen += 8)
223 for (l = 0; l < 8; l++)
225 unsigned char fd = fontdata8x8[text[i] * 8 + l];
226 unsigned short *s = screen + l * w;
227 if (fd&0x80) s[0] = val;
228 if (fd&0x40) s[1] = val;
229 if (fd&0x20) s[2] = val;
230 if (fd&0x10) s[3] = val;
231 if (fd&0x08) s[4] = val;
232 if (fd&0x04) s[5] = val;
233 if (fd&0x02) s[6] = val;
234 if (fd&0x01) s[7] = val;
239 void pl_text_out16(int x, int y, const char *texto, ...)
244 va_start(args, texto);
245 vsnprintf(buffer, sizeof(buffer), texto, args);
248 pl_text_out16_(x, y, buffer);
251 static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
259 const struct rearmed_cbs pl_rearmed_cbs = {
269 static void *watchdog_thread(void *unused)
271 int vsync_cnt_old = 0;
276 // don't interfere with debug
288 if (vsync_cnt != vsync_cnt_old) {
289 vsync_cnt_old = vsync_cnt;
298 fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
300 fprintf(stderr, "watchdog: lockup detected, aborting\n");
301 // we can't do any cleanup here really, the main thread is
302 // likely touching resources and would crash anyway
308 void pl_start_watchdog(void)
314 pthread_attr_init(&attr);
315 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
317 ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
319 fprintf(stderr, "could not start watchdog: %d\n", ret);