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PortabilityLayer/HostSuspendCallID.h

@@ -9,7 +9,8 @@ namespace PortabilityLayer
 		HostSuspendCallID_Unknown,
 
 		HostSuspendCallID_Delay,
-		HostSuspendCallID_CallOnVOSThread,
+		HostSuspendCallID_CallOnVOSThread,
+		HostSuspendCallID_ForceSyncFrame
 	};
 }
 

PortabilityLayer/PLCore.cpp

@@ -108,6 +108,11 @@ void Delay(int ticks, UInt32 *endTickCount)
 		*endTickCount = PortabilityLayer::DisplayDeviceManager::GetInstance()->GetTickCount();
 }
 
+void ForceSyncFrame()
+{
+	PLSysCalls::ForceSyncFrame();
+}
+
 short FindWindow(Point point, WindowPtr *window)
 {
 	short part = 0;

PortabilityLayer/PLCore.h

@@ -216,6 +216,7 @@ void InitCursor();
 void HideCursor();
 
 void Delay(int ticks, UInt32 *endTickCount);
+void ForceSyncFrame();
 
 short FindWindow(Point point, WindowPtr *window);	// Translates global coordinates to window coordinates, returns a region ID
 bool TrackGoAway(WindowPtr window, Point point);	// Returns true if the close box was actually clicked (?)

PortabilityLayer/PLSysCalls.cpp

@@ -184,4 +184,9 @@ namespace PLSysCalls
 			AnimationManager::GetInstance()->TickPlayers(ticks);
 		}
 	}
+
+	void ForceSyncFrame()
+	{
+		PortabilityLayer::SuspendApplication(PortabilityLayer::HostSuspendCallID_ForceSyncFrame, nullptr, nullptr);
+	}
 }

PortabilityLayer/PLSysCalls.h

@@ -7,4 +7,5 @@
 namespace PLSysCalls
 {
 	void Sleep(uint32_t ticks);
+	void ForceSyncFrame();
 }