From 8e0c50c22c5370938bdcd65c2aa5573e2943c150 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Tue, 2 Feb 2021 23:13:11 +0100
Subject: [PATCH] - fixed: F2DDrawer::AddPoly was missing a texture validation
 check.

This caused problems when the automap wanted to render portal planes, which normally use an invalid texture as marker.
Fixes #263
---
 source/common/2d/v_2ddrawer.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/common/2d/v_2ddrawer.cpp b/source/common/2d/v_2ddrawer.cpp
index 157101160..0837e7da6 100644
--- a/source/common/2d/v_2ddrawer.cpp
+++ b/source/common/2d/v_2ddrawer.cpp
@@ -721,6 +721,8 @@ void F2DDrawer::AddPoly(FGameTexture* img, FVector4* vt, size_t vtcount, unsigne
 	RenderCommand dg;
 	int method = 0;
 
+	if (!img->isValid()) return;
+
 	dg.mType = DrawTypeTriangles;
 	if (clipx1 > 0 || clipy1 > 0 || clipx2 < GetWidth() - 1 || clipy2 < GetHeight() - 1)
 	{