From b39740daf3e3aa99eb401d708d5d53282639261a Mon Sep 17 00:00:00 2001
From: Caspian Rychlik-Prince <cprince@puppygames.net>
Date: Thu, 13 Mar 2003 19:31:10 +0000
Subject: [PATCH] *** empty log message ***

---
 src/native/common/checkGLerror.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/native/common/checkGLerror.h b/src/native/common/checkGLerror.h
index d016df66..f1cecb1b 100644
--- a/src/native/common/checkGLerror.h
+++ b/src/native/common/checkGLerror.h
@@ -25,9 +25,19 @@
 		} \
 	}
 
+#define CHECK_EXISTS(f) \
+	{ \
+		if (!f) { \
+			jclass cls = env->FindClass("org/lwjgl/opengl/OpenGLException"); \
+			env->ThrowNew(cls, "This function is not available in this driver."); \
+			env->DeleteLocalRef(cls); \
+		} \
+	} \
+
 #else
 
 #define CHECK_GL_ERROR
+#define CHECK_EXISTS(f)
 
 #endif /* _DEBUG */