From 018f5b8d05e67d1fc43b0c3061dded9ba0e54186 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Sun, 8 Apr 2018 11:52:10 +0300
Subject: [PATCH] Removed deleted virtual functions

They led to link errors with the current Apple's toolchain
---
 src/v_video.h | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/src/v_video.h b/src/v_video.h
index 7e744a113..cd3f78e06 100644
--- a/src/v_video.h
+++ b/src/v_video.h
@@ -311,13 +311,7 @@ public:
 	inline int GetHeight() const { return Height; }
 	virtual DCanvas *GetCanvas() { return nullptr; }
 
-
-	// Access control
-	virtual bool IsValid() = delete;
-	virtual bool Lock(bool buffered = true) = delete;		// Returns true if the surface was lost since last time
-	virtual void Unlock() = delete;
-
-	// Make the surface visible. Also implies Unlock().
+	// Make the surface visible.
 	virtual void Update () = 0;
 
 	// Return a pointer to 256 palette entries that can be written to.