From: Toni Wilen <twilen@winuae.net>
Date: Sun, 24 Apr 2016 12:29:51 +0000 (+0300)
Subject: Adaptive sync configurable black frame insertion timing.
X-Git-Tag: 3300~50
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=6ce7a6462fcdac86b79c67070769a3d1654255b0;p=francis%2Fwinuae.git

Adaptive sync configurable black frame insertion timing.
---

diff --git a/cfgfile.cpp b/cfgfile.cpp
index 9a22e2d2..62226869 100644
--- a/cfgfile.cpp
+++ b/cfgfile.cpp
@@ -1588,7 +1588,8 @@ void cfgfile_save_options (struct zfile *f, struct uae_prefs *p, int type)
 	cfgfile_write_bool(f, _T("gfx_blacker_than_black"), p->gfx_blackerthanblack);
 	cfgfile_dwrite_bool(f, _T("gfx_monochrome"), p->gfx_grayscale);
 	cfgfile_dwrite_str(f, _T("gfx_atari_palette_fix"), threebitcolors[p->gfx_threebitcolors]);
-	cfgfile_dwrite_bool (f, _T("gfx_black_frame_insertion"), p->lightboost_strobo);
+	cfgfile_dwrite_bool(f, _T("gfx_black_frame_insertion"), p->lightboost_strobo);
+	cfgfile_dwrite(f, _T("gfx_black_frame_insertion_ratio"), _T("%d"), p->lightboost_strobo_ratio);
 	cfgfile_write_str (f, _T("gfx_api"), filterapi[p->gfx_api]);
 	cfgfile_dwrite (f, _T("gfx_horizontal_tweak"), _T("%d"), p->gfx_extrawidth);
 
@@ -2570,7 +2571,8 @@ static int cfgfile_parse_host (struct uae_prefs *p, TCHAR *option, TCHAR *value)
 		|| cfgfile_intval (option, value, _T("gfx_backbuffers_rtg"), &p->gfx_apmode[APMODE_RTG].gfx_backbuffers, 1)
 		|| cfgfile_yesno (option, value, _T("gfx_interlace"), &p->gfx_apmode[APMODE_NATIVE].gfx_interlaced)
 		|| cfgfile_yesno (option, value, _T("gfx_interlace_rtg"), &p->gfx_apmode[APMODE_RTG].gfx_interlaced)
-		
+		|| cfgfile_intval(option, value, _T("gfx_black_frame_insertion_ratio"), &p->lightboost_strobo_ratio, 1)
+
 		|| cfgfile_intval (option, value, _T("gfx_center_horizontal_position"), &p->gfx_xcenter_pos, 1)
 		|| cfgfile_intval (option, value, _T("gfx_center_vertical_position"), &p->gfx_ycenter_pos, 1)
 		|| cfgfile_intval (option, value, _T("gfx_center_horizontal_size"), &p->gfx_xcenter_size, 1)
@@ -6441,6 +6443,9 @@ void default_prefs (struct uae_prefs *p, bool reset, int type)
 	cr->locked = false;
 	_tcscpy (cr->label, _T("NTSC"));
 
+	p->lightboost_strobo = false;
+	p->lightboost_strobo_ratio = 50;
+
 	savestate_state = 0;
 
 	target_default_options (p, type);
diff --git a/include/options.h b/include/options.h
index e3ff87eb..1100ad20 100644
--- a/include/options.h
+++ b/include/options.h
@@ -453,6 +453,7 @@ struct uae_prefs {
 	int color_mode;
 	int gfx_extrawidth;
 	bool lightboost_strobo;
+	int lightboost_strobo_ratio;
 	bool gfx_grayscale;
 
 	struct gfx_filterdata gf[2];
diff --git a/od-win32/win32gfx.cpp b/od-win32/win32gfx.cpp
index 86a72372..7bb4a04e 100644
--- a/od-win32/win32gfx.cpp
+++ b/od-win32/win32gfx.cpp
@@ -1203,9 +1203,11 @@ void show_screen (int mode)
 		struct apmode *ap = picasso_on ? &currprefs.gfx_apmode[1] : &currprefs.gfx_apmode[0];
 		if (isfullscreen() > 0 && isvsync() == 0 && ap->gfx_strobo && ap->gfx_refreshrate > 80) {
 		//if (isvsync() == 0 && ap->gfx_strobo) {
-			int ms = (int)((1000 / 2) / vblank_hz) - 1;
-			strobo_time = read_processor_time() + vsynctimebase / 2;
-			timeSetEvent(ms, 0, blackinsertion_cb, NULL, TIME_ONESHOT | TIME_CALLBACK_FUNCTION);
+			int ratio = currprefs.lightboost_strobo_ratio;
+			int ms = 1000 / vblank_hz;
+			int waitms = ms * ratio / 100 - 1;
+			strobo_time = read_processor_time() + vsynctimebase * ratio / 100;
+			timeSetEvent(waitms, 0, blackinsertion_cb, NULL, TIME_ONESHOT | TIME_CALLBACK_FUNCTION);
 		}
 		D3D_showframe();
 #ifdef GFXFILTER