[Bf-blender-cvs] [448d143] master: Fix T43273: vector math cross product inconsistent

[Kévin Dietrich]

Commit: 448d143ad0e73a9d2c86f84def2b9f89b8332470
Author: Kévin Dietrich
Date:   Sat Jan 17 14:57:10 2015 +0100
Branches: master
https://developer.blender.org/rB448d143ad0e73a9d2c86f84def2b9f89b8332470

Fix T43273: vector math cross product inconsistent

GLSL missed the normalization step.

Reviewers: psy-fi, sergey, mont29

Reviewed By: mont29, sergey

Subscribers: mont29

Maniphest Tasks: T43273

Differential Revision: https://developer.blender.org/D1000

===================================================================

M	source/blender/gpu/shaders/gpu_shader_material.glsl

===================================================================

diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl b/source/blender/gpu/shaders/gpu_shader_material.glsl
index 1e0927d..a79bb23 100644
--- a/source/blender/gpu/shaders/gpu_shader_material.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_material.glsl
@@ -338,6 +338,7 @@ void vec_math_cross(vec3 v1, vec3 v2, out vec3 outvec, out float outval)
 {
 	outvec = cross(v1, v2);
 	outval = length(outvec);
+	outvec /= outval;
 }
 
 void vec_math_normalize(vec3 v, out vec3 outvec, out float outval)