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Diffstat (limited to 'intern/cycles/kernel/split/kernel_shadow_blocked.h')
| -rw-r--r-- | intern/cycles/kernel/split/kernel_shadow_blocked.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/intern/cycles/kernel/split/kernel_shadow_blocked.h b/intern/cycles/kernel/split/kernel_shadow_blocked.h deleted file mode 100644 index 6153af47f96..00000000000 --- a/intern/cycles/kernel/split/kernel_shadow_blocked.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright 2011-2015 Blender Foundation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "kernel_split_common.h" - -/* Note on kernel_shadow_blocked kernel. - * This is the ninth kernel in the ray tracing logic. This is the eighth - * of the path iteration kernels. This kernel takes care of "shadow ray cast" - * logic of the direct lighting and AO part of ray tracing. - * - * The input and output are as follows, - * - * PathState_coop ----------------------------------|--- kernel_shadow_blocked --| - * LightRay_dl_coop --------------------------------| |--- LightRay_dl_coop - * LightRay_ao_coop --------------------------------| |--- LightRay_ao_coop - * ray_state ---------------------------------------| |--- ray_state - * Queue_data(QUEUE_SHADOW_RAY_CAST_AO_RAYS & | |--- Queue_data (QUEUE_SHADOW_RAY_CAST_AO_RAYS & QUEUE_SHADOW_RAY_CAST_AO_RAYS) - QUEUE_SHADOW_RAY_CAST_DL_RAYS) -------| | - * Queue_index(QUEUE_SHADOW_RAY_CAST_AO_RAYS& - QUEUE_SHADOW_RAY_CAST_DL_RAYS) -------| | - * kg (globals) ------------------------------------| | - * queuesize ---------------------------------------| | - * - * Note on sd_shadow : sd_shadow is neither input nor output to this kernel. sd_shadow is filled and consumed in this kernel itself. - * Note on queues : - * The kernel fetches from QUEUE_SHADOW_RAY_CAST_AO_RAYS and QUEUE_SHADOW_RAY_CAST_DL_RAYS queues. We will empty - * these queues this kernel. - * State of queues when this kernel is called : - * state of queues QUEUE_ACTIVE_AND_REGENERATED_RAYS and QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will be same - * before and after this kernel call. - * QUEUE_SHADOW_RAY_CAST_AO_RAYS & QUEUE_SHADOW_RAY_CAST_DL_RAYS will be filled with rays marked with flags RAY_SHADOW_RAY_CAST_AO - * and RAY_SHADOW_RAY_CAST_DL respectively, during kernel entry. - * QUEUE_SHADOW_RAY_CAST_AO_RAYS and QUEUE_SHADOW_RAY_CAST_DL_RAYS will be empty at kernel exit. - */ -ccl_device void kernel_shadow_blocked( - KernelGlobals *kg, - ccl_global PathState *PathState_coop, /* Required for shadow blocked */ - ccl_global Ray *LightRay_dl_coop, /* Required for direct lighting's shadow blocked */ - ccl_global Ray *LightRay_ao_coop, /* Required for AO's shadow blocked */ - ccl_global char *ray_state, - char shadow_blocked_type, - int ray_index) -{ - /* Flag determining if we need to update L. */ - char update_path_radiance = 0; - - if(IS_FLAG(ray_state, ray_index, RAY_SHADOW_RAY_CAST_DL) || - IS_FLAG(ray_state, ray_index, RAY_SHADOW_RAY_CAST_AO)) - { - ccl_global PathState *state = &PathState_coop[ray_index]; - ccl_global Ray *light_ray_dl_global = &LightRay_dl_coop[ray_index]; - ccl_global Ray *light_ray_ao_global = &LightRay_ao_coop[ray_index]; - - ccl_global Ray *light_ray_global = - shadow_blocked_type == RAY_SHADOW_RAY_CAST_AO - ? light_ray_ao_global - : light_ray_dl_global; - - float3 shadow; - update_path_radiance = !(shadow_blocked(kg, - kg->sd_input, - state, - light_ray_global, - &shadow)); - - /* We use light_ray_global's P and t to store shadow and - * update_path_radiance. - */ - light_ray_global->P = shadow; - light_ray_global->t = update_path_radiance; - } -} |