From b824d786c4f7fe4db6263433dc2cec6407694bb8 Mon Sep 17 00:00:00 2001
From: Ioannis Tsakpinis <iotsakp@gmail.com>
Date: Thu, 6 Sep 2012 07:11:54 +0000
Subject: [PATCH] Made GLContext.getCapabilities throw a RuntimeException
 instead of returning null when there's no GL context current in the current
 thread.

---
 src/java/org/lwjgl/opengl/GLContext.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/java/org/lwjgl/opengl/GLContext.java b/src/java/org/lwjgl/opengl/GLContext.java
index 5524993a..5a6c32cc 100644
--- a/src/java/org/lwjgl/opengl/GLContext.java
+++ b/src/java/org/lwjgl/opengl/GLContext.java
@@ -119,6 +119,14 @@ public final class GLContext {
 	 * @return The current capabilities instance.
 	 */
 	public static ContextCapabilities getCapabilities() {
+		ContextCapabilities caps = getCapabilitiesImpl();
+		if ( caps == null )
+			throw new RuntimeException("No OpenGL context found in the current thread.");
+
+		return caps;
+	}
+
+	private static ContextCapabilities getCapabilitiesImpl() {
 		CapabilitiesCacheEntry recent_cache_entry = fast_path_cache;
 		// Check owner of cache entry
 		if ( recent_cache_entry.owner == Thread.currentThread() ) {