[Bf-blender-cvs] [8ced441] master: Fix T49393: Baking ignores backfaces

[Dalai Felinto]

Commit: 8ced4417f97ecdafefe8a64104a131cc924633f3
Author: Dalai Felinto
Date:   Tue Sep 20 23:26:59 2016 +0000
Branches: master
https://developer.blender.org/rB8ced4417f97ecdafefe8a64104a131cc924633f3

Fix T49393: Baking ignores backfaces

For some reason (which I can't recall), backing was doing backface
culling. Since Cycles itself doesn't ignore them (nor does Blender
Internal), they should be visible.

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

M	source/blender/render/intern/source/bake_api.c

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

diff --git a/source/blender/render/intern/source/bake_api.c b/source/blender/render/intern/source/bake_api.c
index 1a0ef4e..73424a4 100644
--- a/source/blender/render/intern/source/bake_api.c
+++ b/source/blender/render/intern/source/bake_api.c
@@ -298,20 +298,16 @@ static bool cast_ray_highpoly(
 		}
 
 		if (hits[i].index != -1) {
-			/* cull backface */
-			const float dot = dot_v3v3(dir_high, hits[i].no);
-			if (dot < 0.0f) {
-				float distance;
-				float hit_world[3];
-
-				/* distance comparison in world space */
-				mul_v3_m4v3(hit_world, highpoly[i].obmat, hits[i].co);
-				distance = len_squared_v3v3(hit_world, co);
-
-				if (distance < hit_distance) {
-					hit_mesh = i;
-					hit_distance = distance;
-				}
+			float distance;
+			float hit_world[3];
+
+			/* distance comparison in world space */
+			mul_v3_m4v3(hit_world, highpoly[i].obmat, hits[i].co);
+			distance = len_squared_v3v3(hit_world, co);
+
+			if (distance < hit_distance) {
+				hit_mesh = i;
+				hit_distance = distance;
 			}
 		}
 	}