+
+static __attribute__((noinline)) int get_cpu_ticks(void)
+{
+ static unsigned long last_utime;
+ static int fd;
+ unsigned long utime, ret;
+ char buf[128];
+
+ if (fd == 0)
+ fd = open("/proc/self/stat", O_RDONLY);
+ lseek(fd, 0, SEEK_SET);
+ buf[0] = 0;
+ read(fd, buf, sizeof(buf));
+ buf[sizeof(buf) - 1] = 0;
+
+ sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime);
+ ret = utime - last_utime;
+ last_utime = utime;
+ return ret;
+}
+
+static void print_msg(int h, int border)
+{
+ if (pl_vout_bpp == 16)
+ pl_text_out16(border + 2, h - 10, "%s", hud_msg);
+}
+
+static void print_fps(int h, int border)
+{
+ if (pl_vout_bpp == 16)
+ pl_text_out16(border + 2, h - 10, "%2d %4.1f",
+ pl_rearmed_cbs.flips_per_sec, pl_rearmed_cbs.vsps_cur);
+}
+
+static void print_cpu_usage(int w, int h, int border)
+{
+ if (pl_vout_bpp == 16)
+ pl_text_out16(w - border - 28, h - 10, "%3d", pl_rearmed_cbs.cpu_usage);
+}
+
+// draw 192x8 status of 24 sound channels
+static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
+{
+ extern void spu_get_debug_info(int *chans_out, int *run_chans,
+ int *fmod_chans_out, int *noise_chans_out); // hack
+ int live_chans, run_chans, fmod_chans, noise_chans;
+
+ static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
+ unsigned short *dest = (unsigned short *)pl_vout_buf +
+ vout_w * (vout_h - 10) + vout_w / 2 - 192/2;
+ unsigned short *d, p;
+ int c, x, y;
+
+ if (pl_vout_bpp != 16)
+ return;
+
+ spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
+
+ for (c = 0; c < 24; c++) {
+ d = dest + c * 8;
+ p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
+ (fmod_chans & (1<<c)) ? 0xf000 :
+ (noise_chans & (1<<c)) ? 0x001f :
+ colors[c & 1];
+ for (y = 0; y < 8; y++, d += vout_w)
+ for (x = 0; x < 8; x++)
+ d[x] = p;
+ }
+}
+
+void pl_print_hud(int xborder)
+{
+ int w = pl_vout_w, h = pl_vout_h;
+
+ if (g_opts & OPT_SHOWSPU)
+ draw_active_chans(w, h);
+
+ if (hud_msg[0] != 0)
+ print_msg(h, xborder);
+ else if (g_opts & OPT_SHOWFPS)
+ print_fps(h, xborder);
+
+ if (g_opts & OPT_SHOWCPU)
+ print_cpu_usage(w, h, xborder);
+}
+
+static void *pl_vout_set_mode(int w, int h, int bpp)
+{
+ // special h handling, Wipeout likes to change it by 1-6
+ static int vsync_cnt_ms_prev;
+ if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
+ h = (h + 7) & ~7;
+ vsync_cnt_ms_prev = vsync_cnt;
+
+ if (w == pl_vout_w && h == pl_vout_h && bpp == pl_vout_bpp)
+ return pl_vout_buf;
+
+ pl_vout_w = w;
+ pl_vout_h = h;
+ pl_vout_bpp = bpp;
+
+ pl_vout_buf = plat_gvideo_set_mode(&pl_vout_w, &pl_vout_h, &pl_vout_bpp);
+ if (pl_vout_buf == NULL)
+ fprintf(stderr, "failed to set mode\n");
+
+ menu_notify_mode_change(w, h, bpp);
+
+ return pl_vout_buf;
+}
+
+// only used if raw flip is not defined
+static void *pl_vout_flip(void)
+{
+ pl_rearmed_cbs.flip_cnt++;
+
+ if (pl_vout_buf != NULL)
+ pl_print_hud(0);
+
+ // let's flip now
+ pl_vout_buf = plat_gvideo_flip();
+ return pl_vout_buf;
+}
+
+static int pl_vout_open(void)
+{
+ struct timeval now;
+ int h;
+
+ // force mode update
+ h = pl_vout_h;
+ pl_vout_h--;
+ pl_vout_buf = pl_vout_set_mode(pl_vout_w, h, pl_vout_bpp);
+
+ plat_gvideo_open(is_pal);
+
+ gettimeofday(&now, 0);
+ vsync_usec_time = now.tv_usec;
+ while (vsync_usec_time >= frame_interval)
+ vsync_usec_time -= frame_interval;
+
+ return 0;
+}
+
+static void pl_vout_close(void)
+{
+ plat_gvideo_close();
+}
+
+void *pl_prepare_screenshot(int *w, int *h, int *bpp)
+{
+ void *ret = plat_prepare_screenshot(w, h, bpp);
+ if (ret != NULL)
+ return ret;
+
+ *w = pl_vout_w;
+ *h = pl_vout_h;
+ *bpp = pl_vout_bpp;
+
+ return pl_vout_buf;
+}
+
+#ifndef MAEMO
+static void update_analogs(void)
+{
+ int *nubp[2] = { in_a1, in_a2 };
+ int i, a, v, ret;
+
+ for (i = 0; i < 2; i++)
+ {
+ if (in_adev[i] < 0)
+ continue;
+
+ for (a = 0; a < 2; a++) {
+ nubp[i][a] = 127;
+
+ ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
+ if (ret == 0) {
+ v = v / (IN_ABS_RANGE / 128) + 127;
+ nubp[i][a] = v < 0 ? 0 : v;
+ }
+ }
+ }
+ //printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
+}
+
+static void update_input(void)
+{
+ int actions[IN_BINDTYPE_COUNT] = { 0, };
+ unsigned int emu_act;
+
+ in_update(actions);
+ if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
+ update_analogs();
+ emu_act = actions[IN_BINDTYPE_EMU];
+ in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
+
+ emu_act &= ~SACTION_GUN_MASK;
+ if (emu_act) {
+ int which = 0;
+ for (; !(emu_act & 1); emu_act >>= 1, which++)
+ ;
+ emu_act = which;
+ }
+ emu_set_action(emu_act);
+
+ in_keystate = actions[IN_BINDTYPE_PLAYER12];
+#ifdef X11
+ extern int x11_update_keys(unsigned int *action);
+ in_keystate |= x11_update_keys(&emu_act);
+ emu_set_action(emu_act);
+#endif
+}
+#else /* MAEMO */
+static void update_input(void)
+{
+}
+#endif
+
+void pl_update_gun(int *xn, int *xres, int *y, int *in)
+{
+ if (tsdev)
+ pl_gun_ts_update(tsdev, xn, y, in);
+
+ *xres = pl_vout_w;
+ *y = *y * pl_vout_h >> 10;
+}
+
+#define MAX_LAG_FRAMES 3
+
+#define tvdiff(tv, tv_old) \
+ ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
+
+/* called on every vsync */
+void pl_frame_limit(void)
+{
+ static struct timeval tv_old, tv_expect;
+ static int vsync_cnt_prev, drc_active_vsyncs;
+ struct timeval now;
+ int diff, usadj;
+
+ vsync_cnt++;
+
+ /* doing input here because the pad is polled
+ * thousands of times per frame for some reason */
+ update_input();
+
+ pcnt_end(PCNT_ALL);
+ gettimeofday(&now, 0);
+
+ if (now.tv_sec != tv_old.tv_sec) {
+ diff = tvdiff(now, tv_old);
+ pl_rearmed_cbs.vsps_cur = 0.0f;
+ if (0 < diff && diff < 2000000)
+ pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
+ vsync_cnt_prev = vsync_cnt;
+
+ if (g_opts & OPT_SHOWFPS)
+ pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
+ pl_rearmed_cbs.flip_cnt = 0;
+ if (g_opts & OPT_SHOWCPU)
+ pl_rearmed_cbs.cpu_usage = get_cpu_ticks();
+
+ if (hud_new_msg > 0) {
+ hud_new_msg--;
+ if (hud_new_msg == 0)
+ hud_msg[0] = 0;
+ }
+ tv_old = now;
+ }
+#ifdef PCNT
+ static int ya_vsync_count;
+ if (++ya_vsync_count == PCNT_FRAMES) {
+ pcnt_print(pl_rearmed_cbs.vsps_cur);
+ ya_vsync_count = 0;
+ }
+#endif
+
+ // tv_expect uses usec*1024 units instead of usecs for better accuracy
+ tv_expect.tv_usec += frame_interval1024;
+ if (tv_expect.tv_usec >= (1000000 << 10)) {
+ tv_expect.tv_usec -= (1000000 << 10);
+ tv_expect.tv_sec++;
+ }
+ diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
+
+ if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
+ //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
+ tv_expect = now;
+ diff = 0;
+ // try to align with vsync
+ usadj = vsync_usec_time;
+ while (usadj < tv_expect.tv_usec - frame_interval)
+ usadj += frame_interval;
+ tv_expect.tv_usec = usadj << 10;
+ }
+
+ if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
+ // yay for working usleep on pandora!
+ //printf("usleep %d\n", diff - frame_interval / 2);
+ usleep(diff - frame_interval);
+ }
+
+ if (pl_rearmed_cbs.frameskip) {
+ if (diff < -frame_interval)
+ pl_rearmed_cbs.fskip_advice = 1;
+ else if (diff >= 0)
+ pl_rearmed_cbs.fskip_advice = 0;
+
+ // recompilation is not that fast and may cause frame skip on
+ // loading screens and such, resulting in flicker or glitches
+ if (new_dynarec_did_compile) {
+ if (drc_active_vsyncs < 32)
+ pl_rearmed_cbs.fskip_advice = 0;
+ drc_active_vsyncs++;
+ }
+ else
+ drc_active_vsyncs = 0;
+ new_dynarec_did_compile = 0;
+ }
+
+ pcnt_start(PCNT_ALL);
+}
+
+void pl_timing_prepare(int is_pal_)