X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Fplugin_lib.c;h=688bb12b59af1020828115bef78055577d158ca6;hp=9f9e958cd00322d911ef578a606aa7361958ad5d;hb=bce6b05695beb988b607eb1dd82c27c1ed841faa;hpb=201c21e2ad6be25a4b843d1434eabb432ce72884

diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c
index 9f9e958c..688bb12b 100644
--- a/frontend/plugin_lib.c
+++ b/frontend/plugin_lib.c
@@ -25,10 +25,11 @@
 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
 
 void *pl_fbdev_buf;
+int pl_frame_interval;
 int keystate;
 static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp;
-static int flip_cnt, flips_per_sec, tick_per_sec;
-extern float fps_cur; // XXX
+static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec;
+static float vsps_cur;
 
 static int get_cpu_ticks(void)
 {
@@ -53,7 +54,7 @@ static int get_cpu_ticks(void)
 static void print_fps(void)
 {
 	if (pl_fbdev_bpp == 16)
-		pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, fps_cur);
+		pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur);
 }
 
 static void print_cpu_usage(void)
@@ -62,12 +63,12 @@ static void print_cpu_usage(void)
 		pl_text_out16(pl_fbdev_w - 28, pl_fbdev_h - 10, "%3d", tick_per_sec);
 }
 
-int pl_fbdev_set_mode(int w, int h, int bpp)
+void *pl_fbdev_set_mode(int w, int h, int bpp)
 {
 	void *ret;
 
 	if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp)
-		return 0;
+		return pl_fbdev_buf;
 
 	pl_fbdev_w = w;
 	pl_fbdev_h = h;
@@ -82,19 +83,23 @@ int pl_fbdev_set_mode(int w, int h, int bpp)
 
 	menu_notify_mode_change(w, h, bpp);
 
-	return (ret != NULL) ? 0 : -1;
+	return pl_fbdev_buf;
 }
 
-void pl_fbdev_flip(void)
+void *pl_fbdev_flip(void)
 {
 	flip_cnt++;
-	if (g_opts & OPT_SHOWFPS)
-		print_fps();
-	if (g_opts & OPT_SHOWCPU)
-		print_cpu_usage();
+
+	if (pl_fbdev_buf != NULL) {
+		if (g_opts & OPT_SHOWFPS)
+			print_fps();
+		if (g_opts & OPT_SHOWCPU)
+			print_cpu_usage();
+	}
 
 	// let's flip now
 	pl_fbdev_buf = vout_fbdev_flip(layer_fb);
+	return pl_fbdev_buf;
 }
 
 int pl_fbdev_open(void)
@@ -117,38 +122,74 @@ static void update_input(void)
 	if (actions[IN_BINDTYPE_EMU] & PEV_MENU)
 		stop = 1;
 	keystate = actions[IN_BINDTYPE_PLAYER12];
+
+#ifdef X11
+	extern void x11_update_keys(void);
+	x11_update_keys();
+#endif
+}
+
+#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)
+// assumes us < 1000000
+#define tvadd(tv, us) { \
+	tv.tv_usec += us; \
+	if (tv.tv_usec >= 1000000) { \
+		tv.tv_usec -= 1000000; \
+		tv.tv_sec++; \
+	} \
 }
 
 /* called on every vsync */
 void pl_frame_limit(void)
 {
-	extern void CheckFrameRate(void);
-	static int oldsec;
-	struct timeval tv;
+	static struct timeval tv_old, tv_expect;
+	struct timeval now;
+	int diff;
+
+	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(&tv, 0);
+	gettimeofday(&now, 0);
 
-	if (tv.tv_sec != oldsec) {
+	if (now.tv_sec != tv_old.tv_sec) {
+		diff = tvdiff(now, tv_old);
+		vsps_cur = 0.0f;
+		if (0 < diff && diff < 2000000)
+			vsps_cur = 1000000.0f * vsync_cnt / diff;
 		flips_per_sec = flip_cnt;
-		flip_cnt = 0;
-		oldsec = tv.tv_sec;
+		vsync_cnt = flip_cnt = 0;
+		tv_old = now;
 		if (g_opts & OPT_SHOWCPU)
 			tick_per_sec = get_cpu_ticks();
 	}
 #ifdef PCNT
 	static int ya_vsync_count;
 	if (++ya_vsync_count == PCNT_FRAMES) {
-		pcnt_print(fps_cur);
+		pcnt_print(vsps_cur);
 		ya_vsync_count = 0;
 	}
 #endif
 
-	CheckFrameRate();
+	if (!(g_opts & OPT_NO_FRAMELIM)) {
+		tvadd(tv_expect, pl_frame_interval);
+		diff = tvdiff(tv_expect, now);
+		if (diff > MAX_LAG_FRAMES * pl_frame_interval || diff < -MAX_LAG_FRAMES * pl_frame_interval) {
+			//printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval);
+			tv_expect = now;
+		}
+		else if (diff > pl_frame_interval) {
+			// yay for working usleep on pandora!
+			//printf("usleep %d\n", diff - pl_frame_interval / 2);
+			usleep(diff - pl_frame_interval / 2);
+		}
+	}
 
 	pcnt_start(PCNT_ALL);
 }
@@ -197,7 +238,14 @@ static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
 	*h = g_layer_h;
 }
 
+extern int UseFrameSkip; // hmh
+
 const struct rearmed_cbs pl_rearmed_cbs = {
 	pl_get_layer_pos,
+	pl_fbdev_open,
+	pl_fbdev_set_mode,
+	pl_fbdev_flip,
+	pl_fbdev_close,
+	&UseFrameSkip,
 };