From 4cf6a30e058d28643cf2d3472bcd067a56161c05 Mon Sep 17 00:00:00 2001
From: Jeff Hutchinson <programmerjeff95@gmail.com>
Date: Fri, 25 Mar 2016 13:44:22 -0400
Subject: [PATCH] cleanup

---
 Engine/source/gfx/gl/tGL/tGL.h  | 13 +++++--------
 Engine/source/gfx/gl/tGL/tXGL.h |  5 +++--
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/Engine/source/gfx/gl/tGL/tGL.h b/Engine/source/gfx/gl/tGL/tGL.h
index bb21422b7..8a0731ae5 100644
--- a/Engine/source/gfx/gl/tGL/tGL.h
+++ b/Engine/source/gfx/gl/tGL/tGL.h
@@ -22,15 +22,12 @@
 
 #ifndef T_GL_H
 #define T_GL_H
-#include "GL/glew.h"
 
-#if defined (TORQUE_OS_WIN)
-// This doesn't work on Mesa drivers.
-#define gglHasExtension(EXTENSION) GLEW_##EXTENSION
-#else
-// Slower but reliably detects extensions on Mesa.
-#define gglHasExtension(EXTENSION) glewGetExtension("GL_" # EXTENSION)
-#endif
+#include <epoxy/gl.h>
+
+// JTH: This is slow, we should probably check extensions once and cache them
+// directly inside of some compatability table.
+#define gglHasExtension(EXTENSION) epoxy_has_gl_extension("GL_" #EXTENSION)
 
 #endif
 
diff --git a/Engine/source/gfx/gl/tGL/tXGL.h b/Engine/source/gfx/gl/tGL/tXGL.h
index 0cf2df966..370d59d0d 100644
--- a/Engine/source/gfx/gl/tGL/tXGL.h
+++ b/Engine/source/gfx/gl/tGL/tXGL.h
@@ -28,9 +28,10 @@
 #ifdef TORQUE_OS_LINUX
 
 #include "tGL.h"
-#include "GL/glxew.h"
+#include <epoxy/glx.h>
 
-#define gglHasXExtension(EXTENSION) GLXEW##EXTENSION
+// TODO glx
+#define gglHasXExtension(EXTENSION) 
 
 #endif //TORQUE_OS_LINUX