Bugfix #4495

Another old only-shadow material error: spot lights with ray-shadow still
calculated shadow on faces that were pointing away from the lamp.

1 files changed, 11 insertions, 10 deletions

diff --git a/source/blender/render/intern/source/rendercore.c b/source/blender/render/intern/source/rendercore.c
index 812c0e19335..70be76e4a6f 100644
--- a/source/blender/render/intern/source/rendercore.c
+++ b/source/blender/render/intern/source/rendercore.c
@@ -1748,17 +1748,18 @@ void shade_lamp_loop(ShadeInput *shi, ShadeResult *shr)
 							
 							inp= vn[0]*lv[0] + vn[1]*lv[1] + vn[2]*lv[2];
 							
-							if(lar->shb) {
-								/* lampbuffer returns 0.0 on backfacing normals now */
-								if(inp <= 0.0f) 
-									i= 1.0f;
-								else
-									i = testshadowbuf(lar->shb, shi->co, shi->dxco, shi->dyco, inp);
-							}
+							/* lampbuffer also returns 0.0 on backfacing normals now */
+							if(inp <= 0.0f) 
+								i= 1.0f;
 							else {
-								float shad[4];
-								ray_shadow(shi, lar, shad);
-								i= shad[3];
+								if(lar->shb) {
+									i = testshadowbuf(lar->shb, shi->co, shi->dxco, shi->dyco, inp);
+								}
+								else {
+									float shad[4];
+									ray_shadow(shi, lar, shad);
+									i= shad[3];
+								}
 							}
 							
 							t= inpr - lar->spotsi;