diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_path_volume.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_path_volume.h | 88 |
1 files changed, 39 insertions, 49 deletions
diff --git a/intern/cycles/kernel/kernel_path_volume.h b/intern/cycles/kernel/kernel_path_volume.h index 5fd4f2fad4c..0bb8f1c517f 100644 --- a/intern/cycles/kernel/kernel_path_volume.h +++ b/intern/cycles/kernel/kernel_path_volume.h @@ -46,17 +46,16 @@ ccl_device_inline void kernel_path_volume_connect_light( light_ray.time = sd->time; # endif - light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls); - if(ls.pdf == 0.0f) - return; - - if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { - /* trace shadow ray */ - float3 shadow; + if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) + { + if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { + /* trace shadow ray */ + float3 shadow; - if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { - /* accumulate */ - path_radiance_accum_light(L, throughput, &L_light, shadow, 1.0f, state->bounce, is_lamp); + if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { + /* accumulate */ + path_radiance_accum_light(L, throughput, &L_light, shadow, 1.0f, state->bounce, is_lamp); + } } } #endif @@ -146,7 +145,7 @@ ccl_device void kernel_branched_path_volume_connect_light(KernelGlobals *kg, RNG path_branched_rng_2D(kg, &lamp_rng, state, j, num_samples, PRNG_LIGHT_U, &light_u, &light_v); LightSample ls; - lamp_light_sample(kg, i, light_u, light_v, ray->P, &ls); + lamp_light_sample(kg, i, light_u, light_v, ray->P, &ls); float3 tp = throughput; @@ -156,23 +155,20 @@ ccl_device void kernel_branched_path_volume_connect_light(KernelGlobals *kg, RNG VolumeIntegrateResult result = kernel_volume_decoupled_scatter(kg, state, ray, sd, &tp, rphase, rscatter, segment, (ls.t != FLT_MAX)? &ls.P: NULL, false); - + (void)result; kernel_assert(result == VOLUME_PATH_SCATTERED); /* todo: split up light_sample so we don't have to call it again with new position */ - lamp_light_sample(kg, i, light_u, light_v, sd->P, &ls); - - if(ls.pdf == 0.0f) - continue; - - if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { - /* trace shadow ray */ - float3 shadow; - - if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { - /* accumulate */ - path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp); + if(lamp_light_sample(kg, i, light_u, light_v, sd->P, &ls)) { + if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { + /* trace shadow ray */ + float3 shadow; + + if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { + /* accumulate */ + path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp); + } } } } @@ -212,18 +208,15 @@ ccl_device void kernel_branched_path_volume_connect_light(KernelGlobals *kg, RNG kernel_assert(result == VOLUME_PATH_SCATTERED); /* todo: split up light_sample so we don't have to call it again with new position */ - light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls); - - if(ls.pdf == 0.0f) - continue; - - if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { - /* trace shadow ray */ - float3 shadow; - - if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { - /* accumulate */ - path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp); + if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) { + if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { + /* trace shadow ray */ + float3 shadow; + + if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { + /* accumulate */ + path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp); + } } } } @@ -251,19 +244,16 @@ ccl_device void kernel_branched_path_volume_connect_light(KernelGlobals *kg, RNG kernel_assert(result == VOLUME_PATH_SCATTERED); /* todo: split up light_sample so we don't have to call it again with new position */ - light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls); - - if(ls.pdf == 0.0f) - return; - - /* sample random light */ - if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { - /* trace shadow ray */ - float3 shadow; - - if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { - /* accumulate */ - path_radiance_accum_light(L, tp, &L_light, shadow, 1.0f, state->bounce, is_lamp); + if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) { + /* sample random light */ + if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { + /* trace shadow ray */ + float3 shadow; + + if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { + /* accumulate */ + path_radiance_accum_light(L, tp, &L_light, shadow, 1.0f, state->bounce, is_lamp); + } } } } |