diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_direct_lighting.h')
| -rw-r--r-- | intern/cycles/kernel/split/kernel_direct_lighting.h | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/intern/cycles/kernel/split/kernel_direct_lighting.h b/intern/cycles/kernel/split/kernel_direct_lighting.h index a39e47b9b96..50c83d06140 100644 --- a/intern/cycles/kernel/split/kernel_direct_lighting.h +++ b/intern/cycles/kernel/split/kernel_direct_lighting.h @@ -63,7 +63,7 @@ ccl_device char kernel_direct_lighting( { char enqueue_flag = 0; if(IS_STATE(ray_state, ray_index, RAY_ACTIVE)) { - /* Load kernel globals structure and ShaderData structure */ + /* Load kernel globals structure and ShaderData structure. */ KernelGlobals *kg = (KernelGlobals *)globals; ShaderData *sd = (ShaderData *)shader_data; ShaderData *sd_DL = (ShaderData *)shader_DL; @@ -72,15 +72,22 @@ ccl_device char kernel_direct_lighting( /* direct lighting */ #ifdef __EMISSION__ - if((kernel_data.integrator.use_direct_light && (ccl_fetch(sd, flag) & SD_BSDF_HAS_EVAL))) { - /* sample illumination from lights to find path contribution */ + if((kernel_data.integrator.use_direct_light && + (ccl_fetch(sd, flag) & SD_BSDF_HAS_EVAL))) + { + /* Sample illumination from lights to find path contribution. */ ccl_global RNG* rng = &rng_coop[ray_index]; float light_t = path_state_rng_1D(kg, rng, state, PRNG_LIGHT); float light_u, light_v; 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); + light_sample(kg, + light_t, light_u, light_v, + ccl_fetch(sd, time), + ccl_fetch(sd, P), + state->bounce, + &ls); Ray light_ray; #ifdef __OBJECT_MOTION__ @@ -89,17 +96,21 @@ ccl_device char kernel_direct_lighting( BsdfEval L_light; bool is_lamp; - if(direct_emission(kg, sd, &ls, &light_ray, &L_light, &is_lamp, state->bounce, state->transparent_bounce, sd_DL)) { - /* write intermediate data to global memory to access from the next kernel */ + if(direct_emission(kg, sd, &ls, &light_ray, &L_light, &is_lamp, + state->bounce, state->transparent_bounce, sd_DL)) + { + /* 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 + /* Mark ray state for next shadow kernel. */ ADD_RAY_FLAG(ray_state, ray_index, RAY_SHADOW_RAY_CAST_DL); enqueue_flag = 1; } } -#endif +#endif /* __EMISSION__ */ } return enqueue_flag; } |