From 5dff3d5af02e0e77acd9f97a80f50a2757f535a9 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Wed, 28 Dec 2016 16:11:24 +0200
Subject: [PATCH] Do not apply viewport scaling in fullscreen mode

See https://forum.drdteam.org/viewtopic.php?t=7339
---
 src/gl/renderer/gl_renderer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gl/renderer/gl_renderer.cpp b/src/gl/renderer/gl_renderer.cpp
index 0a21f1e01..57d17dfb4 100644
--- a/src/gl/renderer/gl_renderer.cpp
+++ b/src/gl/renderer/gl_renderer.cpp
@@ -286,7 +286,7 @@ void FGLRenderer::SetOutputViewport(GL_IRECT *bounds)
 	mSceneViewport.height = height;
 
 	// Scale viewports to fit letterbox
-	if (gl_scale_viewport || !FGLRenderBuffers::IsEnabled())
+	if ((gl_scale_viewport && !framebuffer->IsFullscreen()) || !FGLRenderBuffers::IsEnabled())
 	{
 		mScreenViewport.width = mOutputLetterbox.width;
 		mScreenViewport.height = mOutputLetterbox.height;