diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_direct_lighting.h')
| -rw-r--r-- | intern/cycles/kernel/split/kernel_direct_lighting.h | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/intern/cycles/kernel/split/kernel_direct_lighting.h b/intern/cycles/kernel/split/kernel_direct_lighting.h index ebe91097496..6ad736fc2c1 100644 --- a/intern/cycles/kernel/split/kernel_direct_lighting.h +++ b/intern/cycles/kernel/split/kernel_direct_lighting.h @@ -74,30 +74,31 @@ ccl_device char kernel_direct_lighting( path_state_rng_2D(kg, rng, state, PRNG_LIGHT_U, &light_u, &light_v); LightSample ls; - light_sample(kg, - light_t, light_u, light_v, - ccl_fetch(sd, time), - ccl_fetch(sd, P), - state->bounce, - &ls); + if(light_sample(kg, + light_t, light_u, light_v, + ccl_fetch(sd, time), + ccl_fetch(sd, P), + state->bounce, + &ls)) { - Ray light_ray; + Ray light_ray; #ifdef __OBJECT_MOTION__ - light_ray.time = ccl_fetch(sd, time); + light_ray.time = ccl_fetch(sd, time); #endif - BsdfEval L_light; - bool is_lamp; - if(direct_emission(kg, sd, kg->sd_input, &ls, state, &light_ray, &L_light, &is_lamp)) { - /* Write intermediate data to global memory to access from - * the next kernel. - */ - LightRay_coop[ray_index] = light_ray; - BSDFEval_coop[ray_index] = L_light; - ISLamp_coop[ray_index] = is_lamp; - /* Mark ray state for next shadow kernel. */ - ADD_RAY_FLAG(ray_state, ray_index, RAY_SHADOW_RAY_CAST_DL); - enqueue_flag = 1; + BsdfEval L_light; + bool is_lamp; + if(direct_emission(kg, sd, kg->sd_input, &ls, state, &light_ray, &L_light, &is_lamp)) { + /* Write intermediate data to global memory to access from + * the next kernel. + */ + LightRay_coop[ray_index] = light_ray; + BSDFEval_coop[ray_index] = L_light; + ISLamp_coop[ray_index] = is_lamp; + /* Mark ray state for next shadow kernel. */ + ADD_RAY_FLAG(ray_state, ray_index, RAY_SHADOW_RAY_CAST_DL); + enqueue_flag = 1; + } } } #endif /* __EMISSION__ */ |