diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_next_iteration_setup.h')
| -rw-r--r-- | intern/cycles/kernel/split/kernel_next_iteration_setup.h | 350 |
1 files changed, 172 insertions, 178 deletions
diff --git a/intern/cycles/kernel/split/kernel_next_iteration_setup.h b/intern/cycles/kernel/split/kernel_next_iteration_setup.h index e388955f1af..781ce869374 100644 --- a/intern/cycles/kernel/split/kernel_next_iteration_setup.h +++ b/intern/cycles/kernel/split/kernel_next_iteration_setup.h @@ -48,217 +48,211 @@ CCL_NAMESPACE_BEGIN #ifdef __BRANCHED_PATH__ ccl_device_inline void kernel_split_branched_indirect_light_init(KernelGlobals *kg, int ray_index) { - kernel_split_branched_path_indirect_loop_init(kg, ray_index); + kernel_split_branched_path_indirect_loop_init(kg, ray_index); - ADD_RAY_FLAG(kernel_split_state.ray_state, ray_index, RAY_BRANCHED_LIGHT_INDIRECT); + ADD_RAY_FLAG(kernel_split_state.ray_state, ray_index, RAY_BRANCHED_LIGHT_INDIRECT); } ccl_device void kernel_split_branched_transparent_bounce(KernelGlobals *kg, int ray_index) { - ccl_global float3 *throughput = &kernel_split_state.throughput[ray_index]; - ShaderData *sd = kernel_split_sd(sd, ray_index); - ccl_global PathState *state = &kernel_split_state.path_state[ray_index]; - ccl_global Ray *ray = &kernel_split_state.ray[ray_index]; + ccl_global float3 *throughput = &kernel_split_state.throughput[ray_index]; + ShaderData *sd = kernel_split_sd(sd, ray_index); + ccl_global PathState *state = &kernel_split_state.path_state[ray_index]; + ccl_global Ray *ray = &kernel_split_state.ray[ray_index]; # ifdef __VOLUME__ - if(!(sd->flag & SD_HAS_ONLY_VOLUME)) { + if (!(sd->flag & SD_HAS_ONLY_VOLUME)) { # endif - /* continue in case of transparency */ - *throughput *= shader_bsdf_transparency(kg, sd); + /* continue in case of transparency */ + *throughput *= shader_bsdf_transparency(kg, sd); - if(is_zero(*throughput)) { - kernel_split_path_end(kg, ray_index); - return; - } + if (is_zero(*throughput)) { + kernel_split_path_end(kg, ray_index); + return; + } - /* Update Path State */ - path_state_next(kg, state, LABEL_TRANSPARENT); + /* Update Path State */ + path_state_next(kg, state, LABEL_TRANSPARENT); # ifdef __VOLUME__ - } - else { - if(!path_state_volume_next(kg, state)) { - kernel_split_path_end(kg, ray_index); - return; - } - } + } + else { + if (!path_state_volume_next(kg, state)) { + kernel_split_path_end(kg, ray_index); + return; + } + } # endif - ray->P = ray_offset(sd->P, -sd->Ng); - ray->t -= sd->ray_length; /* clipping works through transparent */ + ray->P = ray_offset(sd->P, -sd->Ng); + ray->t -= sd->ray_length; /* clipping works through transparent */ # ifdef __RAY_DIFFERENTIALS__ - ray->dP = sd->dP; - ray->dD.dx = -sd->dI.dx; - ray->dD.dy = -sd->dI.dy; -# endif /* __RAY_DIFFERENTIALS__ */ + ray->dP = sd->dP; + ray->dD.dx = -sd->dI.dx; + ray->dD.dy = -sd->dI.dy; +# endif /* __RAY_DIFFERENTIALS__ */ # ifdef __VOLUME__ - /* enter/exit volume */ - kernel_volume_stack_enter_exit(kg, sd, state->volume_stack); -# endif /* __VOLUME__ */ + /* enter/exit volume */ + kernel_volume_stack_enter_exit(kg, sd, state->volume_stack); +# endif /* __VOLUME__ */ } -#endif /* __BRANCHED_PATH__ */ +#endif /* __BRANCHED_PATH__ */ ccl_device void kernel_next_iteration_setup(KernelGlobals *kg, ccl_local_param unsigned int *local_queue_atomics) { - if(ccl_local_id(0) == 0 && ccl_local_id(1) == 0) { - *local_queue_atomics = 0; - } - ccl_barrier(CCL_LOCAL_MEM_FENCE); - - if(ccl_global_id(0) == 0 && ccl_global_id(1) == 0) { - /* If we are here, then it means that scene-intersect kernel - * has already been executed atleast once. From the next time, - * scene-intersect kernel may operate on queues to fetch ray index - */ - *kernel_split_params.use_queues_flag = 1; - - /* Mark queue indices of QUEUE_SHADOW_RAY_CAST_AO_RAYS and - * QUEUE_SHADOW_RAY_CAST_DL_RAYS queues that were made empty during the - * previous kernel. - */ - kernel_split_params.queue_index[QUEUE_SHADOW_RAY_CAST_AO_RAYS] = 0; - kernel_split_params.queue_index[QUEUE_SHADOW_RAY_CAST_DL_RAYS] = 0; - } - - int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); - ray_index = get_ray_index(kg, ray_index, - QUEUE_ACTIVE_AND_REGENERATED_RAYS, - kernel_split_state.queue_data, - kernel_split_params.queue_size, - 0); - - ccl_global char *ray_state = kernel_split_state.ray_state; - -# ifdef __VOLUME__ - /* Reactivate only volume rays here, most surface work was skipped. */ - if(IS_STATE(ray_state, ray_index, RAY_HAS_ONLY_VOLUME)) { - ASSIGN_RAY_STATE(ray_state, ray_index, RAY_ACTIVE); - } -# endif + if (ccl_local_id(0) == 0 && ccl_local_id(1) == 0) { + *local_queue_atomics = 0; + } + ccl_barrier(CCL_LOCAL_MEM_FENCE); + + if (ccl_global_id(0) == 0 && ccl_global_id(1) == 0) { + /* If we are here, then it means that scene-intersect kernel + * has already been executed atleast once. From the next time, + * scene-intersect kernel may operate on queues to fetch ray index + */ + *kernel_split_params.use_queues_flag = 1; + + /* Mark queue indices of QUEUE_SHADOW_RAY_CAST_AO_RAYS and + * QUEUE_SHADOW_RAY_CAST_DL_RAYS queues that were made empty during the + * previous kernel. + */ + kernel_split_params.queue_index[QUEUE_SHADOW_RAY_CAST_AO_RAYS] = 0; + kernel_split_params.queue_index[QUEUE_SHADOW_RAY_CAST_DL_RAYS] = 0; + } + + int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); + ray_index = get_ray_index(kg, + ray_index, + QUEUE_ACTIVE_AND_REGENERATED_RAYS, + kernel_split_state.queue_data, + kernel_split_params.queue_size, + 0); + + ccl_global char *ray_state = kernel_split_state.ray_state; + +#ifdef __VOLUME__ + /* Reactivate only volume rays here, most surface work was skipped. */ + if (IS_STATE(ray_state, ray_index, RAY_HAS_ONLY_VOLUME)) { + ASSIGN_RAY_STATE(ray_state, ray_index, RAY_ACTIVE); + } +#endif - bool active = IS_STATE(ray_state, ray_index, RAY_ACTIVE); - if(active) { - ccl_global float3 *throughput = &kernel_split_state.throughput[ray_index]; - ccl_global Ray *ray = &kernel_split_state.ray[ray_index]; - ShaderData *sd = kernel_split_sd(sd, ray_index); - ccl_global PathState *state = &kernel_split_state.path_state[ray_index]; - PathRadiance *L = &kernel_split_state.path_radiance[ray_index]; + bool active = IS_STATE(ray_state, ray_index, RAY_ACTIVE); + if (active) { + ccl_global float3 *throughput = &kernel_split_state.throughput[ray_index]; + ccl_global Ray *ray = &kernel_split_state.ray[ray_index]; + ShaderData *sd = kernel_split_sd(sd, ray_index); + ccl_global PathState *state = &kernel_split_state.path_state[ray_index]; + PathRadiance *L = &kernel_split_state.path_radiance[ray_index]; #ifdef __BRANCHED_PATH__ - if(!kernel_data.integrator.branched || IS_FLAG(ray_state, ray_index, RAY_BRANCHED_INDIRECT)) { + if (!kernel_data.integrator.branched || IS_FLAG(ray_state, ray_index, RAY_BRANCHED_INDIRECT)) { #endif - /* Compute direct lighting and next bounce. */ - if(!kernel_path_surface_bounce(kg, sd, throughput, state, &L->state, ray)) { - kernel_split_path_end(kg, ray_index); - } + /* Compute direct lighting and next bounce. */ + if (!kernel_path_surface_bounce(kg, sd, throughput, state, &L->state, ray)) { + kernel_split_path_end(kg, ray_index); + } #ifdef __BRANCHED_PATH__ - } - else if(sd->flag & SD_HAS_ONLY_VOLUME) { - kernel_split_branched_transparent_bounce(kg, ray_index); - } - else { - kernel_split_branched_indirect_light_init(kg, ray_index); - - if(kernel_split_branched_path_surface_indirect_light_iter(kg, - ray_index, - 1.0f, - kernel_split_sd(branched_state_sd, ray_index), - true, - true)) - { - ASSIGN_RAY_STATE(ray_state, ray_index, RAY_REGENERATED); - } - else { - kernel_split_branched_path_indirect_loop_end(kg, ray_index); - kernel_split_branched_transparent_bounce(kg, ray_index); - } - } -#endif /* __BRANCHED_PATH__ */ - } - - /* Enqueue RAY_UPDATE_BUFFER rays. */ - enqueue_ray_index_local(ray_index, - QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS, - IS_STATE(ray_state, ray_index, RAY_UPDATE_BUFFER) && active, - kernel_split_params.queue_size, - local_queue_atomics, - kernel_split_state.queue_data, - kernel_split_params.queue_index); + } + else if (sd->flag & SD_HAS_ONLY_VOLUME) { + kernel_split_branched_transparent_bounce(kg, ray_index); + } + else { + kernel_split_branched_indirect_light_init(kg, ray_index); + + if (kernel_split_branched_path_surface_indirect_light_iter( + kg, ray_index, 1.0f, kernel_split_sd(branched_state_sd, ray_index), true, true)) { + ASSIGN_RAY_STATE(ray_state, ray_index, RAY_REGENERATED); + } + else { + kernel_split_branched_path_indirect_loop_end(kg, ray_index); + kernel_split_branched_transparent_bounce(kg, ray_index); + } + } +#endif /* __BRANCHED_PATH__ */ + } + + /* Enqueue RAY_UPDATE_BUFFER rays. */ + enqueue_ray_index_local(ray_index, + QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS, + IS_STATE(ray_state, ray_index, RAY_UPDATE_BUFFER) && active, + kernel_split_params.queue_size, + local_queue_atomics, + kernel_split_state.queue_data, + kernel_split_params.queue_index); #ifdef __BRANCHED_PATH__ - /* iter loop */ - if(ccl_global_id(0) == 0 && ccl_global_id(1) == 0) { - kernel_split_params.queue_index[QUEUE_LIGHT_INDIRECT_ITER] = 0; - } - - ray_index = get_ray_index(kg, ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0), - QUEUE_LIGHT_INDIRECT_ITER, - kernel_split_state.queue_data, - kernel_split_params.queue_size, - 1); - - if(IS_STATE(ray_state, ray_index, RAY_LIGHT_INDIRECT_NEXT_ITER)) { - /* for render passes, sum and reset indirect light pass variables - * for the next samples */ - PathRadiance *L = &kernel_split_state.path_radiance[ray_index]; - - path_radiance_sum_indirect(L); - path_radiance_reset_indirect(L); - - if(kernel_split_branched_path_surface_indirect_light_iter(kg, - ray_index, - 1.0f, - kernel_split_sd(branched_state_sd, ray_index), - true, - true)) - { - ASSIGN_RAY_STATE(ray_state, ray_index, RAY_REGENERATED); - } - else { - kernel_split_branched_path_indirect_loop_end(kg, ray_index); - kernel_split_branched_transparent_bounce(kg, ray_index); - } - } + /* iter loop */ + if (ccl_global_id(0) == 0 && ccl_global_id(1) == 0) { + kernel_split_params.queue_index[QUEUE_LIGHT_INDIRECT_ITER] = 0; + } + + ray_index = get_ray_index(kg, + ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0), + QUEUE_LIGHT_INDIRECT_ITER, + kernel_split_state.queue_data, + kernel_split_params.queue_size, + 1); + + if (IS_STATE(ray_state, ray_index, RAY_LIGHT_INDIRECT_NEXT_ITER)) { + /* for render passes, sum and reset indirect light pass variables + * for the next samples */ + PathRadiance *L = &kernel_split_state.path_radiance[ray_index]; + + path_radiance_sum_indirect(L); + path_radiance_reset_indirect(L); + + if (kernel_split_branched_path_surface_indirect_light_iter( + kg, ray_index, 1.0f, kernel_split_sd(branched_state_sd, ray_index), true, true)) { + ASSIGN_RAY_STATE(ray_state, ray_index, RAY_REGENERATED); + } + else { + kernel_split_branched_path_indirect_loop_end(kg, ray_index); + kernel_split_branched_transparent_bounce(kg, ray_index); + } + } # ifdef __VOLUME__ - /* Enqueue RAY_VOLUME_INDIRECT_NEXT_ITER rays */ - ccl_barrier(CCL_LOCAL_MEM_FENCE); - if(ccl_local_id(0) == 0 && ccl_local_id(1) == 0) { - *local_queue_atomics = 0; - } - ccl_barrier(CCL_LOCAL_MEM_FENCE); - - ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); - enqueue_ray_index_local(ray_index, - QUEUE_VOLUME_INDIRECT_ITER, - IS_STATE(kernel_split_state.ray_state, ray_index, RAY_VOLUME_INDIRECT_NEXT_ITER), - kernel_split_params.queue_size, - local_queue_atomics, - kernel_split_state.queue_data, - kernel_split_params.queue_index); - -# endif /* __VOLUME__ */ + /* Enqueue RAY_VOLUME_INDIRECT_NEXT_ITER rays */ + ccl_barrier(CCL_LOCAL_MEM_FENCE); + if (ccl_local_id(0) == 0 && ccl_local_id(1) == 0) { + *local_queue_atomics = 0; + } + ccl_barrier(CCL_LOCAL_MEM_FENCE); + + ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); + enqueue_ray_index_local( + ray_index, + QUEUE_VOLUME_INDIRECT_ITER, + IS_STATE(kernel_split_state.ray_state, ray_index, RAY_VOLUME_INDIRECT_NEXT_ITER), + kernel_split_params.queue_size, + local_queue_atomics, + kernel_split_state.queue_data, + kernel_split_params.queue_index); + +# endif /* __VOLUME__ */ # ifdef __SUBSURFACE__ - /* Enqueue RAY_SUBSURFACE_INDIRECT_NEXT_ITER rays */ - ccl_barrier(CCL_LOCAL_MEM_FENCE); - if(ccl_local_id(0) == 0 && ccl_local_id(1) == 0) { - *local_queue_atomics = 0; - } - ccl_barrier(CCL_LOCAL_MEM_FENCE); - - ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); - enqueue_ray_index_local(ray_index, - QUEUE_SUBSURFACE_INDIRECT_ITER, - IS_STATE(kernel_split_state.ray_state, ray_index, RAY_SUBSURFACE_INDIRECT_NEXT_ITER), - kernel_split_params.queue_size, - local_queue_atomics, - kernel_split_state.queue_data, - kernel_split_params.queue_index); -# endif /* __SUBSURFACE__ */ -#endif /* __BRANCHED_PATH__ */ + /* Enqueue RAY_SUBSURFACE_INDIRECT_NEXT_ITER rays */ + ccl_barrier(CCL_LOCAL_MEM_FENCE); + if (ccl_local_id(0) == 0 && ccl_local_id(1) == 0) { + *local_queue_atomics = 0; + } + ccl_barrier(CCL_LOCAL_MEM_FENCE); + + ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); + enqueue_ray_index_local( + ray_index, + QUEUE_SUBSURFACE_INDIRECT_ITER, + IS_STATE(kernel_split_state.ray_state, ray_index, RAY_SUBSURFACE_INDIRECT_NEXT_ITER), + kernel_split_params.queue_size, + local_queue_atomics, + kernel_split_state.queue_data, + kernel_split_params.queue_index); +# endif /* __SUBSURFACE__ */ +#endif /* __BRANCHED_PATH__ */ } CCL_NAMESPACE_END |