From 527703ae8c2612a63925e4e7296df49f9ea3af22 Mon Sep 17 00:00:00 2001
From: Magnus Norddahl <dpjudas@users.noreply.github.com>
Date: Sun, 4 Sep 2016 03:21:47 +0200
Subject: [PATCH] Fix missing flash if multisampling was on and no post
 processing effects active

---
 src/gl/scene/gl_scene.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gl/scene/gl_scene.cpp b/src/gl/scene/gl_scene.cpp
index b4dd95d50..23d7c7c80 100644
--- a/src/gl/scene/gl_scene.cpp
+++ b/src/gl/scene/gl_scene.cpp
@@ -856,7 +856,11 @@ sector_t * FGLRenderer::RenderViewpoint (AActor * camera, GL_IRECT * bounds, flo
 			TonemapScene();
 			ColormapScene();
 			LensDistortScene();
-			DrawBlend(viewsector);	// This should be done after postprocessing, not before.
+
+			// This should be done after postprocessing, not before.
+			mBuffers->BindCurrentFB();
+			glViewport(mScreenViewport.left, mScreenViewport.top, mScreenViewport.width, mScreenViewport.height);
+			DrawBlend(viewsector);
 		}
 		mDrawingScene2D = false;
 		eye->TearDown();