From bf208e1d100355b6179e4320b0e389c20857ed6f Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 25 Jul 2019 14:58:17 +0100
Subject: [PATCH] Changed the #extension enable

---
 examples/osgdrawinstanced/osgdrawinstanced.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/examples/osgdrawinstanced/osgdrawinstanced.cpp b/examples/osgdrawinstanced/osgdrawinstanced.cpp
index f07e0dfac..77a0f03cb 100644
--- a/examples/osgdrawinstanced/osgdrawinstanced.cpp
+++ b/examples/osgdrawinstanced/osgdrawinstanced.cpp
@@ -59,8 +59,7 @@ createStateSet()
     // render each instance uniquely. gl_InstanceID will be in the range
     // 0 to numInstances-1 (1023 in our case).
     std::string vertexSource =
-        "#version 120\n"
-        "#extension GL_ARB_draw_instanced : enable\n"
+        "#extension GL_EXT_gpu_shader4 : enable\n"
         "uniform sampler2D osgLogo; \n"
         "uniform float osg_SimulationTime; \n"