#497 USE_VSYNC added to the config (true by default)

src/config.c

@@ -66,9 +66,9 @@ static void readConfigNoSound(Config* config, lua_State* lua)
 	lua_pop(lua, 1);
 }
 
-static void readConfigShowSync(Config* config, lua_State* lua)
+static void readConfigShowMissedFrames(Config* config, lua_State* lua)
 {
-	lua_getglobal(lua, "SYNC_FRAMES");
+	lua_getglobal(lua, "MISSED_FRAMES");
 
 	if(lua_isinteger(lua, -1))
 		config->data.missedFrames = lua_tointeger(lua, -1);
@@ -76,6 +76,16 @@ static void readConfigShowSync(Config* config, lua_State* lua)
 	lua_pop(lua, 1);
 }
 
+static void readConfigUseVsync(Config* config, lua_State* lua)
+{
+	lua_getglobal(lua, "USE_VSYNC");
+
+	if(lua_isboolean(lua, -1))
+		config->data.useVsync = lua_toboolean(lua, -1);
+
+	lua_pop(lua, 1);
+}
+
 static void readCursorTheme(Config* config, lua_State* lua)
 {
 	lua_getfield(lua, -1, "CURSOR");
@@ -199,7 +209,8 @@ static void readConfig(Config* config)
 			readConfigVideoScale(config, lua);
 			readConfigCheckNewVersion(config, lua);
 			readConfigNoSound(config, lua);
-			readConfigShowSync(config, lua);
+			readConfigShowMissedFrames(config, lua);
+			readConfigUseVsync(config, lua);
 			readTheme(config, lua);
 		}
 

src/studio.c

@@ -2741,7 +2741,7 @@ static void onFSInitialized(FileSystem* fs)
 #if defined(__CHIP__)
 		SDL_RENDERER_SOFTWARE
 #else
-		SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC
+		SDL_RENDERER_ACCELERATED | (getConfig()->useVsync ? SDL_RENDERER_PRESENTVSYNC : 0)
 #endif
 	);
 
@@ -2819,7 +2819,11 @@ s32 main(s32 argc, char **argv)
 				else
 				{
 					if(useDelay || SDL_GetWindowFlags(studio.window) & SDL_WINDOW_MINIMIZED)
-						SDL_Delay((u32)(delay * 1000 / SDL_GetPerformanceFrequency()));
+					{
+						u32 time = (u32)(delay * 1000 / SDL_GetPerformanceFrequency());
+						if(time >= 10)
+							SDL_Delay(time);
+					}
 				}
 
 				if(studio.missedFrames > 0)

src/studio.h

@@ -101,6 +101,7 @@ typedef struct
 	
 	bool checkNewVersion;
 	bool noSound;
+	bool useVsync;
 	s32 missedFrames;
 
 } StudioConfig;