From 2e48ba43d27fd5b43c0ce32ebd795ae1cb69bc35 Mon Sep 17 00:00:00 2001
From: SmileTheory <SmileTheory@gmail.com>
Date: Mon, 9 Dec 2013 17:33:54 -0800
Subject: OpenGL2: Support GL_ARB_vertex_type_2_10_10_10_rev for
 normals/tangents/lightdirs

---
 src/renderergl2/glsl/lightall_vp.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/renderergl2/glsl')

diff --git a/src/renderergl2/glsl/lightall_vp.glsl b/src/renderergl2/glsl/lightall_vp.glsl
index f6164957..67628c7f 100644
--- a/src/renderergl2/glsl/lightall_vp.glsl
+++ b/src/renderergl2/glsl/lightall_vp.glsl
@@ -206,7 +206,7 @@ void main()
 #if defined(USE_LIGHT_VECTOR)
 	vec3 L = u_LightOrigin.xyz - (position * u_LightOrigin.w);
 #elif defined(USE_LIGHT) 
-	vec3 L = attr_LightDirection;
+	vec3 L = attr_LightDirection * 2.0 - vec3(1.0);
   #if defined(USE_MODELMATRIX)
 	L = (u_ModelMatrix * vec4(L, 0.0)).xyz;
   #endif
-- 
cgit