From e68ee72c77eb4f1f391ae8c9611bd8cfedfc0032 Mon Sep 17 00:00:00 2001
From: Lars Brubaker <larsbrubaker@gmail.com>
Date: Tue, 30 Oct 2018 19:03:39 -0700
Subject: [PATCH] fixing alpha blending in 2d shape rendering to gl

---
 MatterControl.OpenGL/GCodeRenderer/GCodeRenderer.cs | 2 +-
 Submodules/agg-sharp                                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/MatterControl.OpenGL/GCodeRenderer/GCodeRenderer.cs b/MatterControl.OpenGL/GCodeRenderer/GCodeRenderer.cs
index 0ae8a44ef..c9bf9d6ba 100644
--- a/MatterControl.OpenGL/GCodeRenderer/GCodeRenderer.cs
+++ b/MatterControl.OpenGL/GCodeRenderer/GCodeRenderer.cs
@@ -194,7 +194,7 @@ namespace MatterHackers.GCodeVisualizer
 				Graphics2DOpenGL graphics2DGl = graphics2D as Graphics2DOpenGL;
 				if (graphics2DGl != null)
 				{
-					graphics2DGl.PreRender();
+					graphics2DGl.PreRender(Color.White);
 					GL.Begin(BeginMode.Triangles);
 					for (int i = startFeature; i < endFeature; i++)
 					{
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 89f6430e1..c1db746da 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 89f6430e143a0fcc0dd4940bb918954be96635af
+Subproject commit c1db746da9b01276360d2eb52336609ab1a4e180