From 89ce0b8cb77073ed3a18dedb8325153a6f0a4c41 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Wed, 22 Oct 2014 16:54:26 +0200
Subject: [PATCH] - test if GLSL version 1.4 can handle uniform buffers on old
 Intel hardware without making problems...

---
 src/gl/shaders/gl_shader.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/gl/shaders/gl_shader.cpp b/src/gl/shaders/gl_shader.cpp
index 3d4afdbcc8..7c04bdf454 100644
--- a/src/gl/shaders/gl_shader.cpp
+++ b/src/gl/shaders/gl_shader.cpp
@@ -94,7 +94,14 @@ bool FShader::Load(const char * name, const char * vert_prog_lump, const char *
 
 	if (lightbuffertype == GL_UNIFORM_BUFFER)
 	{
-		vp_comb.Format("#version 130\n#extension GL_ARB_uniform_buffer_object : require\n#define NUM_UBO_LIGHTS %d\n", lightbuffersize);
+		if (gl.glslversion < 1.4f || gl.version < 3.1f)
+		{
+			vp_comb.Format("#version 130\n#extension GL_ARB_uniform_buffer_object : require\n#define NUM_UBO_LIGHTS %d\n", lightbuffersize);
+		}
+		else
+		{
+			vp_comb.Format("#version 140\n#define NUM_UBO_LIGHTS %d\n", lightbuffersize);
+		}
 	}
 	else
 	{