diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_path_branched.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_path_branched.h | 62 |
1 files changed, 46 insertions, 16 deletions
diff --git a/intern/cycles/kernel/kernel_path_branched.h b/intern/cycles/kernel/kernel_path_branched.h index ff2b828795d..36fd6c95fe7 100644 --- a/intern/cycles/kernel/kernel_path_branched.h +++ b/intern/cycles/kernel/kernel_path_branched.h @@ -42,21 +42,25 @@ ccl_device_inline void kernel_branched_path_ao(KernelGlobals *kg, sample_cos_hemisphere(ao_N, bsdf_u, bsdf_v, &ao_D, &ao_pdf); - if(dot(ccl_fetch(sd, Ng), ao_D) > 0.0f && ao_pdf != 0.0f) { + if(dot(sd->Ng, ao_D) > 0.0f && ao_pdf != 0.0f) { Ray light_ray; float3 ao_shadow; - light_ray.P = ray_offset(ccl_fetch(sd, P), ccl_fetch(sd, Ng)); + light_ray.P = ray_offset(sd->P, sd->Ng); light_ray.D = ao_D; light_ray.t = kernel_data.background.ao_distance; #ifdef __OBJECT_MOTION__ - light_ray.time = ccl_fetch(sd, time); + light_ray.time = sd->time; #endif /* __OBJECT_MOTION__ */ - light_ray.dP = ccl_fetch(sd, dP); + light_ray.dP = sd->dP; light_ray.dD = differential3_zero(); - if(!shadow_blocked(kg, emission_sd, state, &light_ray, &ao_shadow)) + if(!shadow_blocked(kg, emission_sd, state, &light_ray, &ao_shadow)) { path_radiance_accum_ao(L, throughput*num_samples_inv, ao_alpha, ao_bsdf, ao_shadow, state->bounce); + } + else { + path_radiance_accum_total_ao(L, throughput*num_samples_inv, ao_bsdf); + } } } } @@ -67,8 +71,8 @@ ccl_device_noinline void kernel_branched_path_surface_indirect_light(KernelGloba RNG *rng, ShaderData *sd, ShaderData *indirect_sd, ShaderData *emission_sd, float3 throughput, float num_samples_adjust, PathState *state, PathRadiance *L) { - for(int i = 0; i < ccl_fetch(sd, num_closure); i++) { - const ShaderClosure *sc = &ccl_fetch(sd, closure)[i]; + for(int i = 0; i < sd->num_closure; i++) { + const ShaderClosure *sc = &sd->closure[i]; if(!CLOSURE_IS_BSDF(sc->type)) continue; @@ -140,14 +144,14 @@ ccl_device void kernel_branched_path_subsurface_scatter(KernelGlobals *kg, Ray *ray, float3 throughput) { - for(int i = 0; i < ccl_fetch(sd, num_closure); i++) { - ShaderClosure *sc = &ccl_fetch(sd, closure)[i]; + for(int i = 0; i < sd->num_closure; i++) { + ShaderClosure *sc = &sd->closure[i]; if(!CLOSURE_IS_BSSRDF(sc->type)) continue; /* set up random number generator */ - uint lcg_state = lcg_state_init(rng, state, 0x68bc21eb); + uint lcg_state = lcg_state_init(rng, state->rng_offset, state->sample, 0x68bc21eb); int num_samples = kernel_data.integrator.subsurface_samples; float num_samples_inv = 1.0f/num_samples; RNG bssrdf_rng = cmj_hash(*rng, i); @@ -169,7 +173,7 @@ ccl_device void kernel_branched_path_subsurface_scatter(KernelGlobals *kg, Ray volume_ray = *ray; bool need_update_volume_stack = kernel_data.integrator.use_volumes && - ccl_fetch(sd, object_flag) & SD_OBJECT_INTERSECTS_VOLUME; + sd->object_flag & SD_OBJECT_INTERSECTS_VOLUME; #endif /* __VOLUME__ */ /* compute lighting with the BSDF closure */ @@ -206,7 +210,8 @@ ccl_device void kernel_branched_path_subsurface_scatter(KernelGlobals *kg, #ifdef __EMISSION__ /* direct light */ if(kernel_data.integrator.use_direct_light) { - int all = kernel_data.integrator.sample_all_lights_direct; + int all = (kernel_data.integrator.sample_all_lights_direct) || + (state->flag & PATH_RAY_SHADOW_CATCHER); kernel_branched_path_surface_connect_light( kg, rng, @@ -280,7 +285,7 @@ ccl_device float4 kernel_branched_path_integrate(KernelGlobals *kg, RNG *rng, in } extmax = kernel_data.curve.maximum_width; - lcg_state = lcg_state_init(rng, &state, 0x51633e2d); + lcg_state = lcg_state_init(rng, state.rng_offset, state.sample, 0x51633e2d); } bool hit = scene_intersect(kg, ray, visibility, &isect, &lcg_state, difl, extmax); @@ -461,7 +466,7 @@ ccl_device float4 kernel_branched_path_integrate(KernelGlobals *kg, RNG *rng, in #ifdef __BACKGROUND__ /* sample background shader */ float3 L_background = indirect_background(kg, &emission_sd, &state, &ray); - path_radiance_accum_background(&L, throughput, L_background, state.bounce); + path_radiance_accum_background(&L, &state, throughput, L_background); #endif /* __BACKGROUND__ */ break; @@ -472,6 +477,21 @@ ccl_device float4 kernel_branched_path_integrate(KernelGlobals *kg, RNG *rng, in shader_eval_surface(kg, &sd, rng, &state, 0.0f, state.flag, SHADER_CONTEXT_MAIN); shader_merge_closures(&sd); +#ifdef __SHADOW_TRICKS__ + if((sd.object_flag & SD_OBJECT_SHADOW_CATCHER)) { + if(state.flag & PATH_RAY_CAMERA) { + state.flag |= (PATH_RAY_SHADOW_CATCHER | PATH_RAY_SHADOW_CATCHER_ONLY); + state.catcher_object = sd.object; + if(!kernel_data.background.transparent) { + L.shadow_color = indirect_background(kg, &emission_sd, &state, &ray); + } + } + } + else { + state.flag &= ~PATH_RAY_SHADOW_CATCHER_ONLY; + } +#endif /* __SHADOW_TRICKS__ */ + /* holdout */ #ifdef __HOLDOUT__ if((sd.flag & SD_HOLDOUT) || (sd.object_flag & SD_OBJECT_HOLDOUT_MASK)) { @@ -544,7 +564,8 @@ ccl_device float4 kernel_branched_path_integrate(KernelGlobals *kg, RNG *rng, in #ifdef __EMISSION__ /* direct light */ if(kernel_data.integrator.use_direct_light) { - int all = kernel_data.integrator.sample_all_lights_direct; + int all = (kernel_data.integrator.sample_all_lights_direct) || + (state.flag & PATH_RAY_SHADOW_CATCHER); kernel_branched_path_surface_connect_light(kg, rng, &sd, &emission_sd, &hit_state, throughput, 1.0f, &L, all); } @@ -581,7 +602,16 @@ ccl_device float4 kernel_branched_path_integrate(KernelGlobals *kg, RNG *rng, in #endif /* __VOLUME__ */ } - float3 L_sum = path_radiance_clamp_and_sum(kg, &L); + float3 L_sum; +#ifdef __SHADOW_TRICKS__ + if(state.flag & PATH_RAY_SHADOW_CATCHER) { + L_sum = path_radiance_sum_shadowcatcher(kg, &L, &L_transparent); + } + else +#endif /* __SHADOW_TRICKS__ */ + { + L_sum = path_radiance_clamp_and_sum(kg, &L); + } kernel_write_light_passes(kg, buffer, &L, sample); |