From 750d8b7bc3509103e5f6ea91d83d50c114367136 Mon Sep 17 00:00:00 2001
From: James Seibel <jeseibel@gondtc.com>
Date: Wed, 3 Apr 2024 07:19:34 -0500
Subject: [PATCH] Fix crash in 1.16 due to buffer upload happening before
 rendering is setup

---
 .../distanthorizons/core/render/LodRenderSection.java     | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/src/main/java/com/seibel/distanthorizons/core/render/LodRenderSection.java b/core/src/main/java/com/seibel/distanthorizons/core/render/LodRenderSection.java
index 7b856c78d..1b87956f0 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/render/LodRenderSection.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/render/LodRenderSection.java
@@ -29,6 +29,7 @@ import com.seibel.distanthorizons.core.file.fullDatafile.FullDataSourceProviderV
 import com.seibel.distanthorizons.core.level.IDhClientLevel;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.core.pos.DhSectionPos;
+import com.seibel.distanthorizons.core.render.glObject.GLProxy;
 import com.seibel.distanthorizons.core.render.renderer.IDebugRenderable;
 import com.seibel.distanthorizons.core.dataObjects.render.bufferBuilding.ColumnRenderBuffer;
 import com.seibel.distanthorizons.core.render.renderer.DebugRenderer;
@@ -92,6 +93,13 @@ public class LodRenderSection implements IDebugRenderable, AutoCloseable
 	
 	public void loadRenderSourceAsync()
 	{
+		if (!GLProxy.hasInstance())
+		{
+			// it's possible to try uploading buffers before the GLProxy has been initialized
+			// which would cause the system to crash
+			return;
+		}
+		
 		if (this.renderSourceLoadingFuture != null)
 		{
 			return;