try to align timing with LCD refresh

diff --git a/frontend/menu.c b/frontend/menu.c
index 546125f..da1caea 100644 (file)
--- a/frontend/menu.c
+++ b/frontend/menu.c
@@ -567,6 +567,20 @@ static void apply_filter(int which)
        old = which;
 }
 
+static void apply_lcdrate(int pal)
+{
+       static int old = -1;
+       char buf[128];
+
+       if (pal == old)
+               return;
+
+       snprintf(buf, sizeof(buf), "%s/op_lcdrate.sh %d",
+                       pnd_script_base, pal ? 50 : 60);
+       system(buf);
+       old = pal;
+}
+
 static menu_entry e_menu_gfx_options[];
 
 static void pnd_menu_init(void)
@@ -1739,8 +1753,6 @@ void menu_prepare_emu(void)
        case SCALE_CUSTOM:
                break;
        }
-       apply_filter(filter);
-       apply_cpu_clock();
 
        psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
        if (psxCpu != prev_cpu)
@@ -1753,6 +1765,9 @@ void menu_prepare_emu(void)
                CDR_stop();
 
        menu_sync_config();
+       apply_lcdrate(Config.PsxType);
+       apply_filter(filter);
+       apply_cpu_clock();
 
        if (GPU_open != NULL) {
                int ret = GPU_open(&gpuDisp, "PCSX", NULL);

diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c
index 46c9cbd..c2fa100 100644 (file)
--- a/frontend/plugin_lib.c
+++ b/frontend/plugin_lib.c
@@ -35,6 +35,7 @@ static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp;
 static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec;
 static float vsps_cur;
 static int plugin_skip_advice;
+static int vsync_usec_time;
 // P.E.Op.S.
 extern int UseFrameSkip;
 extern float fps_skip;
@@ -121,8 +122,18 @@ void *pl_fbdev_flip(void)
 
 int pl_fbdev_open(void)
 {
+       struct timeval now;
+
        pl_fbdev_buf = vout_fbdev_flip(layer_fb);
        omap_enable_layer(1);
+
+       // try to align redraws to vsync
+       vout_fbdev_wait_vsync(layer_fb);
+       gettimeofday(&now, 0);
+       vsync_usec_time = now.tv_usec;
+       while (vsync_usec_time >= pl_frame_interval)
+               vsync_usec_time -= pl_frame_interval;
+
        return 0;
 }
 
@@ -184,7 +195,7 @@ void pl_frame_limit(void)
        static struct timeval tv_old, tv_expect;
        static int vsync_cnt_prev;
        struct timeval now;
-       int diff;
+       int diff, usadj;
 
        vsync_cnt++;
 
@@ -227,6 +238,11 @@ void pl_frame_limit(void)
                //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval);
                tv_expect = now;
                diff = 0;
+               // try to align with vsync
+               usadj = vsync_usec_time;
+               while (usadj < tv_expect.tv_usec - pl_frame_interval)
+                       usadj += pl_frame_interval;
+               tv_expect.tv_usec = usadj;
        }
 
        if (!(g_opts & OPT_NO_FRAMELIM) && diff > pl_frame_interval) {

diff --git a/libpcsxcore/psxcommon.c b/libpcsxcore/psxcommon.c
index 5e9dcaf..ea655df 100644 (file)
--- a/libpcsxcore/psxcommon.c
+++ b/libpcsxcore/psxcommon.c
@@ -56,8 +56,8 @@ void EmuUpdate() {
        if (!Config.HLE || !hleSoftCall)
                SysUpdate();
 
-       pl_frame_limit();
        ApplyCheats();
+       pl_frame_limit();
 }
 
 void __Log(char *fmt, ...) {

diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c
index c9f2931..044d0d3 100644 (file)
--- a/libpcsxcore/psxcounters.c
+++ b/libpcsxcore/psxcounters.c
@@ -300,8 +300,8 @@ void psxRcntUpdate()
             GPU_vBlank( 0 );
             setIrq( 0x01 );
 
-            GPU_updateLace();
             EmuUpdate();
+            GPU_updateLace();
         }
     }