From b6c6b6d0dd22a75d58403e75081e02fd2c4d86b2 Mon Sep 17 00:00:00 2001
From: Sebastian Eichelbaum <eichelbaum@informatik.uni-leipzig.de>
Date: Wed, 21 Sep 2011 16:47:37 +0200
Subject: [PATCH] [FIX #75] - lighting should work again.

---
 .../shaders/WMFiberDisplaySimple-vertex.glsl                  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/modules/fiberDisplaySimple/shaders/WMFiberDisplaySimple-vertex.glsl b/src/modules/fiberDisplaySimple/shaders/WMFiberDisplaySimple-vertex.glsl
index f21cf1879..23178e2e8 100644
--- a/src/modules/fiberDisplaySimple/shaders/WMFiberDisplaySimple-vertex.glsl
+++ b/src/modules/fiberDisplaySimple/shaders/WMFiberDisplaySimple-vertex.glsl
@@ -73,7 +73,9 @@ void main()
 
     // The same accounds for the vertex. Transfer it to world-space.
     v_vertex = gl_ModelViewMatrix * gl_Vertex;
-    v_normal
+
+    // fill this varying with a dummy. Not always needed.
+    v_normal = vec3( 1.0, 0.0, 0.0 );
 
     // Grab the tangent. We have uploaded it normalized in gl_Normal per vertex
     // We need to transfer it to the world-space ass all further operations are done there.
-- 
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