From 11230c3f0ba4b9e397ebef7192d5f1a0040bd7de Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 2 Apr 2018 16:21:20 +0100
Subject: [PATCH] Added __VERSION__<140 check for usage of gl_ClipVertex to
 avoid GL3 core profile usage issues

---
 src/osgText/shaders/text_vert.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osgText/shaders/text_vert.cpp b/src/osgText/shaders/text_vert.cpp
index 7791e06ad..29f1be286 100644
--- a/src/osgText/shaders/text_vert.cpp
+++ b/src/osgText/shaders/text_vert.cpp
@@ -10,7 +10,7 @@ char text_vert[] = "$OSG_GLSL_VERSION\n"
                    "    texCoord = gl_MultiTexCoord0.xy;\n"
                    "    vertexColor = gl_Color;\n"
                    "\n"
-                   "#ifndef GL_ES\n"
+                   "#if !defined(GL_ES) && __VERSION__<140\n"
                    "    gl_ClipVertex = gl_ModelViewMatrix * gl_Vertex;\n"
                    "#endif\n"
                    "}\n"