From 0f51f3b7e30fc9f7559c50efd169c7a752a45bf6 Mon Sep 17 00:00:00 2001
From: Steel Titanium <steeltitanium1@gmail.com>
Date: Tue, 5 Mar 2019 22:07:53 -0500
Subject: [PATCH 1/4] Don't skip frames in software mode

---
 src/sdl/i_video.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index 2a77604d..0568dcee 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -1355,8 +1355,9 @@ void I_FinishUpdate(void)
 	if (rendermode == render_none)
 		return; //Alam: No software or OpenGl surface
 
-	if (I_SkipFrame())
-		return;
+	// Don't skip frames
+	//if (I_SkipFrame())
+		//return;
 
 	if (cv_ticrate.value)
 		SCR_DisplayTicRate();

From 7731fe8c2441740bccc4bc09531253336c523d00 Mon Sep 17 00:00:00 2001
From: Steel Titanium <steeltitanium1@gmail.com>
Date: Thu, 7 Mar 2019 18:20:57 -0500
Subject: [PATCH 2/4] Fix unused function error

---
 src/sdl/i_video.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index 0568dcee..10c78c71 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -1325,7 +1325,7 @@ void I_UpdateNoBlit(void)
 //
 // Returns true if it thinks we can afford to skip this frame
 // from PrBoom's src/SDL/i_video.c
-static inline boolean I_SkipFrame(void)
+/*static inline boolean I_SkipFrame(void)
 {
 	static boolean skip = false;
 
@@ -1340,12 +1340,12 @@ static inline boolean I_SkipFrame(void)
 			if (!paused)
 				return false;
 			/* FALLTHRU */
-		case GS_WAITINGPLAYERS:
+		/*case GS_WAITINGPLAYERS:
 			return skip; // Skip odd frames
 		default:
 			return false;
 	}
-}
+}*/
 
 //
 // I_FinishUpdate

From 0e2cefe251843d40dea2414c7519f231d61b4f08 Mon Sep 17 00:00:00 2001
From: Steel Titanium <steeltitanium1@gmail.com>
Date: Thu, 7 Mar 2019 18:52:27 -0500
Subject: [PATCH 3/4] Properly comment out the function

---
 src/sdl/i_video.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index 10c78c71..53aa351c 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -1325,7 +1325,8 @@ void I_UpdateNoBlit(void)
 //
 // Returns true if it thinks we can afford to skip this frame
 // from PrBoom's src/SDL/i_video.c
-/*static inline boolean I_SkipFrame(void)
+#if 0
+static inline boolean I_SkipFrame(void)
 {
 	static boolean skip = false;
 
@@ -1340,12 +1341,13 @@ void I_UpdateNoBlit(void)
 			if (!paused)
 				return false;
 			/* FALLTHRU */
-		/*case GS_WAITINGPLAYERS:
+		case GS_WAITINGPLAYERS:
 			return skip; // Skip odd frames
 		default:
 			return false;
 	}
-}*/
+}
+#endif
 
 //
 // I_FinishUpdate

From 77649ef6d1fdcb820dbc3ec13037f16974b95190 Mon Sep 17 00:00:00 2001
From: Steel Titanium <steeltitanium1@gmail.com>
Date: Fri, 8 Mar 2019 18:51:55 -0500
Subject: [PATCH 4/4] Always return false instead.

---
 src/sdl/i_video.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index 53aa351c..f64a429a 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -1325,9 +1325,9 @@ void I_UpdateNoBlit(void)
 //
 // Returns true if it thinks we can afford to skip this frame
 // from PrBoom's src/SDL/i_video.c
-#if 0
 static inline boolean I_SkipFrame(void)
 {
+#if 0
 	static boolean skip = false;
 
 	if (rendermode != render_soft)
@@ -1346,8 +1346,9 @@ static inline boolean I_SkipFrame(void)
 		default:
 			return false;
 	}
-}
 #endif
+	return false;
+}
 
 //
 // I_FinishUpdate
@@ -1357,9 +1358,8 @@ void I_FinishUpdate(void)
 	if (rendermode == render_none)
 		return; //Alam: No software or OpenGl surface
 
-	// Don't skip frames
-	//if (I_SkipFrame())
-		//return;
+	if (I_SkipFrame())
+		return;
 
 	if (cv_ticrate.value)
 		SCR_DisplayTicRate();