diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_path.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_path.h | 75 |
1 files changed, 32 insertions, 43 deletions
diff --git a/intern/cycles/kernel/kernel_path.h b/intern/cycles/kernel/kernel_path.h index c340b3bc968..c454228eab5 100644 --- a/intern/cycles/kernel/kernel_path.h +++ b/intern/cycles/kernel/kernel_path.h @@ -48,10 +48,6 @@ #include "kernel/kernel_path_volume.h" #include "kernel/kernel_path_subsurface.h" -#ifdef __KERNEL_DEBUG__ -# include "kernel/kernel_debug.h" -#endif - CCL_NAMESPACE_BEGIN ccl_device_noinline void kernel_path_ao(KernelGlobals *kg, @@ -100,6 +96,8 @@ ccl_device_noinline void kernel_path_ao(KernelGlobals *kg, #ifndef __SPLIT_KERNEL__ +#if defined(__BRANCHED_PATH__) || defined(__BAKING__) + ccl_device void kernel_path_indirect(KernelGlobals *kg, ShaderData *sd, ShaderData *emission_sd, @@ -318,8 +316,12 @@ ccl_device void kernel_path_indirect(KernelGlobals *kg, #endif /* __BRANCHED_PATH__ */ #ifdef __SHADOW_TRICKS__ - if(!(sd->object_flag & SD_OBJECT_SHADOW_CATCHER)) { - state->flag &= ~PATH_RAY_SHADOW_CATCHER_ONLY; + if(!(sd->object_flag & SD_OBJECT_SHADOW_CATCHER) && + (state->flag & PATH_RAY_SHADOW_CATCHER)) + { + /* Only update transparency after shadow catcher bounce. */ + L->shadow_transparency *= + average(shader_bsdf_transparency(kg, sd)); } #endif /* __SHADOW_TRICKS__ */ @@ -350,7 +352,7 @@ ccl_device void kernel_path_indirect(KernelGlobals *kg, * mainly due to the mixed in MIS that we use. gives too many unneeded * shader evaluations, only need emission if we are going to terminate */ float probability = - path_state_terminate_probability(kg, + path_state_continuation_probability(kg, state, throughput*num_samples); @@ -428,18 +430,18 @@ ccl_device void kernel_path_indirect(KernelGlobals *kg, } } +#endif /* defined(__BRANCHED_PATH__) || defined(__BAKING__) */ -ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, - RNG *rng, - int sample, - Ray ray, - ccl_global float *buffer, - PathRadiance *L, - bool *is_shadow_catcher) +ccl_device_inline void kernel_path_integrate(KernelGlobals *kg, + RNG *rng, + int sample, + Ray ray, + ccl_global float *buffer, + PathRadiance *L, + bool *is_shadow_catcher) { /* initialize */ float3 throughput = make_float3(1.0f, 1.0f, 1.0f); - float L_transparent = 0.0f; path_radiance_init(L, kernel_data.film.use_light_pass); @@ -451,11 +453,6 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, PathState state; path_state_init(kg, &emission_sd, &state, rng, sample, &ray); -#ifdef __KERNEL_DEBUG__ - DebugData debug_data; - debug_data_init(&debug_data); -#endif /* __KERNEL_DEBUG__ */ - #ifdef __SUBSURFACE__ SubsurfaceIndirectRays ss_indirect; kernel_path_subsurface_init_indirect(&ss_indirect); @@ -496,11 +493,11 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, #ifdef __KERNEL_DEBUG__ if(state.flag & PATH_RAY_CAMERA) { - debug_data.num_bvh_traversed_nodes += isect.num_traversed_nodes; - debug_data.num_bvh_traversed_instances += isect.num_traversed_instances; - debug_data.num_bvh_intersections += isect.num_intersections; + L->debug_data.num_bvh_traversed_nodes += isect.num_traversed_nodes; + L->debug_data.num_bvh_traversed_instances += isect.num_traversed_instances; + L->debug_data.num_bvh_intersections += isect.num_intersections; } - debug_data.num_ray_bounces++; + L->debug_data.num_ray_bounces++; #endif /* __KERNEL_DEBUG__ */ #ifdef __LAMP_MIS__ @@ -615,7 +612,7 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, if(!hit) { /* eval background shader if nothing hit */ if(kernel_data.background.transparent && (state.flag & PATH_RAY_CAMERA)) { - L_transparent += average(throughput); + L->transparent += average(throughput); #ifdef __PASSES__ if(!(kernel_data.film.pass_flag & PASS_BACKGROUND)) @@ -644,9 +641,7 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, 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 | PATH_RAY_STORE_SHADOW_INFO); - state.catcher_object = sd.object; if(!kernel_data.background.transparent) { L->shadow_background_color = indirect_background(kg, &emission_sd, &state, &ray); @@ -655,8 +650,10 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, L->shadow_throughput = average(throughput); } } - else { - state.flag &= ~PATH_RAY_SHADOW_CATCHER_ONLY; + else if(state.flag & PATH_RAY_SHADOW_CATCHER) { + /* Only update transparency after shadow catcher bounce. */ + L->shadow_transparency *= + average(shader_bsdf_transparency(kg, &sd)); } #endif /* __SHADOW_TRICKS__ */ @@ -675,7 +672,7 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, holdout_weight = shader_holdout_eval(kg, &sd); } /* any throughput is ok, should all be identical here */ - L_transparent += average(holdout_weight*throughput); + L->transparent += average(holdout_weight*throughput); } if(sd.object_flag & SD_OBJECT_HOLDOUT_MASK) { @@ -710,7 +707,7 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, /* path termination. this is a strange place to put the termination, it's * mainly due to the mixed in MIS that we use. gives too many unneeded * shader evaluations, only need emission if we are going to terminate */ - float probability = path_state_terminate_probability(kg, &state, throughput); + float probability = path_state_continuation_probability(kg, &state, throughput); if(probability == 0.0f) { break; @@ -780,14 +777,8 @@ ccl_device_inline float kernel_path_integrate(KernelGlobals *kg, #endif /* __SUBSURFACE__ */ #ifdef __SHADOW_TRICKS__ - *is_shadow_catcher = (state.flag & PATH_RAY_SHADOW_CATCHER); + *is_shadow_catcher = (state.flag & PATH_RAY_SHADOW_CATCHER) != 0; #endif /* __SHADOW_TRICKS__ */ - -#ifdef __KERNEL_DEBUG__ - kernel_write_debug_passes(kg, buffer, &state, &debug_data, sample); -#endif /* __KERNEL_DEBUG__ */ - - return 1.0f - L_transparent; } ccl_device void kernel_path_trace(KernelGlobals *kg, @@ -812,14 +803,12 @@ ccl_device void kernel_path_trace(KernelGlobals *kg, bool is_shadow_catcher; if(ray.t != 0.0f) { - float alpha = kernel_path_integrate(kg, &rng, sample, ray, buffer, &L, &is_shadow_catcher); - kernel_write_result(kg, buffer, sample, &L, alpha, is_shadow_catcher); + kernel_path_integrate(kg, &rng, sample, ray, buffer, &L, &is_shadow_catcher); + kernel_write_result(kg, buffer, sample, &L, is_shadow_catcher); } else { - kernel_write_result(kg, buffer, sample, NULL, 0.0f, false); + kernel_write_result(kg, buffer, sample, NULL, false); } - - path_rng_end(kg, rng_state, rng); } #endif /* __SPLIT_KERNEL__ */ |