[Bf-blender-cvs] [f59f655] strand_gpu: Fix for calculation of the view vector in strand shading.

[Lukas Tönne]

Commit: f59f6553ccc69b6eb14d8641e5ea1ed343faaa08
Author: Lukas Tönne
Date:   Sun Jul 17 12:37:39 2016 +0200
Branches: strand_gpu
https://developer.blender.org/rBf59f6553ccc69b6eb14d8641e5ea1ed343faaa08

Fix for calculation of the view vector in strand shading.

The product with the model-view matrix must take translation into account.

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

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

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

diff --git a/source/blender/gpu/shaders/gpu_shader_strand_vert.glsl b/source/blender/gpu/shaders/gpu_shader_strand_vert.glsl
index 28fa0e2..f54707e 100644
--- a/source/blender/gpu/shaders/gpu_shader_strand_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_strand_vert.glsl
@@ -51,7 +51,7 @@ void main()
 #endif
 	gl_Position = gl_ProjectionMatrix * co;
 
-	fPosition = mat3_emu(gl_ModelViewMatrix) * loc;
+	fPosition = co.xyz;
 	fTangent = gl_NormalMatrix * nor;
 	fColor = (nor + vec3(1.0)) * 0.5;
 }