[Bf-blender-cvs] [2ca933f4577] blender-v2.79a-release: Fix T53755: Cycles OpenCL lamp shaders have incorrect normal.

[Brecht Van Lommel]

Commit: 2ca933f45773348b6da0f53942b5c25bc3ada3a4
Author: Brecht Van Lommel
Date:   Thu Jan 11 08:42:57 2018 +0100
Branches: blender-v2.79a-release
https://developer.blender.org/rB2ca933f45773348b6da0f53942b5c25bc3ada3a4

Fix T53755: Cycles OpenCL lamp shaders have incorrect normal.

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

M	intern/cycles/kernel/geom/geom_object.h

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

diff --git a/intern/cycles/kernel/geom/geom_object.h b/intern/cycles/kernel/geom/geom_object.h
index 6ecdfe0173a..ea00fc16cbc 100644
--- a/intern/cycles/kernel/geom/geom_object.h
+++ b/intern/cycles/kernel/geom/geom_object.h
@@ -169,6 +169,10 @@ ccl_device_inline void object_inverse_normal_transform(KernelGlobals *kg, const
 		Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM);
 		*N = normalize(transform_direction_transposed(&tfm, *N));
 	}
+	else if(sd->type == PRIMITIVE_LAMP) {
+		Transform tfm = lamp_fetch_transform(kg, sd->lamp, false);
+		*N = normalize(transform_direction_transposed(&tfm, *N));
+	}
 #endif
 }