4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
13 #include <sys/types.h>
19 #include "plugin_lib.h"
20 #include "linux/fbdev.h"
21 #include "common/fonts.h"
22 #include "common/input.h"
26 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
29 int pl_frame_interval;
31 static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp;
32 static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec;
33 static float vsps_cur;
34 static int plugin_skip_advice;
36 extern int UseFrameSkip;
37 extern float fps_skip;
39 static int get_cpu_ticks(void)
41 static unsigned long last_utime;
43 unsigned long utime, ret;
47 fd = open("/proc/self/stat", O_RDONLY);
48 lseek(fd, 0, SEEK_SET);
50 read(fd, buf, sizeof(buf));
51 buf[sizeof(buf) - 1] = 0;
53 sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
54 ret = utime - last_utime;
59 static void print_fps(void)
61 if (pl_fbdev_bpp == 16)
62 pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur);
65 static void print_cpu_usage(void)
67 if (pl_fbdev_bpp == 16)
68 pl_text_out16(pl_fbdev_w - 28, pl_fbdev_h - 10, "%3d", tick_per_sec);
71 void *pl_fbdev_set_mode(int w, int h, int bpp)
75 if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp)
82 vout_fbdev_clear(layer_fb);
83 ret = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3);
85 fprintf(stderr, "failed to set mode\n");
89 menu_notify_mode_change(w, h, bpp);
94 void *pl_fbdev_flip(void)
98 if (pl_fbdev_buf != NULL) {
99 if (g_opts & OPT_SHOWFPS)
101 if (g_opts & OPT_SHOWCPU)
106 pl_fbdev_buf = vout_fbdev_flip(layer_fb);
110 int pl_fbdev_open(void)
112 pl_fbdev_buf = vout_fbdev_flip(layer_fb);
113 omap_enable_layer(1);
117 void pl_fbdev_close(void)
119 omap_enable_layer(0);
122 static void update_input(void)
124 int actions[IN_BINDTYPE_COUNT] = { 0, };
127 if (actions[IN_BINDTYPE_EMU] & PEV_MENU)
129 keystate = actions[IN_BINDTYPE_PLAYER12];
132 extern int x11_update_keys(void);
133 keystate |= x11_update_keys();
137 #define MAX_LAG_FRAMES 3
139 #define tvdiff(tv, tv_old) \
140 ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
141 // assumes us < 1000000
142 #define tvadd(tv, us) { \
144 if (tv.tv_usec >= 1000000) { \
145 tv.tv_usec -= 1000000; \
150 /* called on every vsync */
151 void pl_frame_limit(void)
153 static struct timeval tv_old, tv_expect;
154 static int vsync_cnt_prev;
160 /* doing input here because the pad is polled
161 * thousands of times per frame for some reason */
165 gettimeofday(&now, 0);
167 if (now.tv_sec != tv_old.tv_sec) {
168 diff = tvdiff(now, tv_old);
170 if (0 < diff && diff < 2000000)
171 vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
172 vsync_cnt_prev = vsync_cnt;
173 flips_per_sec = flip_cnt;
176 if (g_opts & OPT_SHOWCPU)
177 tick_per_sec = get_cpu_ticks();
180 static int ya_vsync_count;
181 if (++ya_vsync_count == PCNT_FRAMES) {
182 pcnt_print(vsps_cur);
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);
195 if (!(g_opts & OPT_NO_FRAMELIM) && diff > pl_frame_interval) {
196 // yay for working usleep on pandora!
197 //printf("usleep %d\n", diff - pl_frame_interval / 2);
198 usleep(diff - pl_frame_interval / 2);
201 plugin_skip_advice = 0;
202 if (UseFrameSkip && diff < -pl_frame_interval) {
203 // P.E.Op.S. makes skip decision based on this
205 plugin_skip_advice = 1;
208 pcnt_start(PCNT_ALL);
211 static void pl_text_out16_(int x, int y, const char *text)
213 int i, l, len = strlen(text), w = pl_fbdev_w;
214 unsigned short *screen = (unsigned short *)pl_fbdev_buf + x + y * w;
215 unsigned short val = 0xffff;
217 for (i = 0; i < len; i++, screen += 8)
219 for (l = 0; l < 8; l++)
221 unsigned char fd = fontdata8x8[text[i] * 8 + l];
222 unsigned short *s = screen + l * w;
223 if (fd&0x80) s[0] = val;
224 if (fd&0x40) s[1] = val;
225 if (fd&0x20) s[2] = val;
226 if (fd&0x10) s[3] = val;
227 if (fd&0x08) s[4] = val;
228 if (fd&0x04) s[5] = val;
229 if (fd&0x02) s[6] = val;
230 if (fd&0x01) s[7] = val;
235 void pl_text_out16(int x, int y, const char *texto, ...)
240 va_start(args, texto);
241 vsnprintf(buffer, sizeof(buffer), texto, args);
244 pl_text_out16_(x, y, buffer);
247 static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
255 const struct rearmed_cbs pl_rearmed_cbs = {
265 static void *watchdog_thread(void *unused)
267 int vsync_cnt_old = 0;
280 if (vsync_cnt != vsync_cnt_old) {
281 vsync_cnt_old = vsync_cnt;
290 fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
292 fprintf(stderr, "watchdog: lockup detected, aborting\n");
293 // we can't do any cleanup here really, the main thread is
294 // likely touching resources and would crash anyway
300 void pl_start_watchdog(void)
306 pthread_attr_init(&attr);
307 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
309 ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
311 fprintf(stderr, "could not start watchdog: %d\n", ret);