Cycles / Non-Progressive integrator:

* Avoid check for !LABEL_TRANSPARENT in "kernel_path_non_progressive_lighting", transparency is either handled in the outer loop or in the "kernel_path_indirect" function, but not here.

intern/cycles/kernel/kernel_path.h

@@ -925,10 +925,7 @@ __device_noinline void kernel_path_non_progressive_lighting(KernelGlobals *kg, R
 			path_radiance_bsdf_bounce(L, &tp, &bsdf_eval, bsdf_pdf, state.bounce, label);
 
 			/* set labels */
-			float min_ray_pdf = FLT_MAX;
-
-			if(!(label & LABEL_TRANSPARENT))
-				min_ray_pdf = fminf(bsdf_pdf, min_ray_pdf);
+			float min_ray_pdf = fminf(bsdf_pdf, FLT_MAX);
 
 			/* modify path state */
 			PathState ps = state;