From dcded0e183e3426c8e4dcf6590f8d975b16805f7 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Mon, 1 May 2017 16:20:25 +0300
Subject: [PATCH] Handle unloading of canvas textures properly

https://forum.zdoom.org/viewtopic.php?t=56207
---
 src/textures/canvastexture.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/textures/canvastexture.cpp b/src/textures/canvastexture.cpp
index eba5d2feac..d2530017bf 100644
--- a/src/textures/canvastexture.cpp
+++ b/src/textures/canvastexture.cpp
@@ -171,11 +171,13 @@ void FCanvasTexture::Unload ()
 	if (Canvas != NULL)
 	{
 		delete Canvas;
+		Canvas = nullptr;
 	}
 
 	if (CanvasBgra != NULL)
 	{
 		delete CanvasBgra;
+		CanvasBgra = nullptr;
 	}
 
 	FTexture::Unload();