diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_scene_intersect.h')
-rw-r--r-- | intern/cycles/kernel/split/kernel_scene_intersect.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/intern/cycles/kernel/split/kernel_scene_intersect.h b/intern/cycles/kernel/split/kernel_scene_intersect.h deleted file mode 100644 index 9ac95aafd2f..00000000000 --- a/intern/cycles/kernel/split/kernel_scene_intersect.h +++ /dev/null @@ -1,83 +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. - */ - -CCL_NAMESPACE_BEGIN - -/* This kernel takes care of scene_intersect function. - * - * This kernel changes the ray_state of RAY_REGENERATED rays to RAY_ACTIVE. - * This kernel processes rays of ray state RAY_ACTIVE - * This kernel determines the rays that have hit the background and changes - * their ray state to RAY_HIT_BACKGROUND. - */ -ccl_device void kernel_scene_intersect(KernelGlobals *kg) -{ - /* Fetch use_queues_flag */ - char local_use_queues_flag = *kernel_split_params.use_queues_flag; - ccl_barrier(CCL_LOCAL_MEM_FENCE); - - int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); - if (local_use_queues_flag) { - ray_index = get_ray_index(kg, - ray_index, - QUEUE_ACTIVE_AND_REGENERATED_RAYS, - kernel_split_state.queue_data, - kernel_split_params.queue_size, - 0); - - if (ray_index == QUEUE_EMPTY_SLOT) { - return; - } - } - - /* All regenerated rays become active here */ - if (IS_STATE(kernel_split_state.ray_state, ray_index, RAY_REGENERATED)) { -#ifdef __BRANCHED_PATH__ - if (kernel_split_state.branched_state[ray_index].waiting_on_shared_samples) { - kernel_split_path_end(kg, ray_index); - } - else -#endif /* __BRANCHED_PATH__ */ - { - ASSIGN_RAY_STATE(kernel_split_state.ray_state, ray_index, RAY_ACTIVE); - } - } - - if (!IS_STATE(kernel_split_state.ray_state, ray_index, RAY_ACTIVE)) { - return; - } - - ccl_global PathState *state = &kernel_split_state.path_state[ray_index]; - Ray ray = kernel_split_state.ray[ray_index]; - PathRadiance *L = &kernel_split_state.path_radiance[ray_index]; - - Intersection isect; - const int last_object = state->bounce > 0 ? - intersection_get_object(kg, &kernel_split_state.isect[ray_index]) : - OBJECT_NONE; - bool hit = kernel_path_scene_intersect(kg, state, &ray, &isect, L, last_object); - kernel_split_state.isect[ray_index] = isect; - - if (!hit) { - /* Change the state of rays that hit the background; - * These rays undergo special processing in the - * background_bufferUpdate kernel. - */ - ASSIGN_RAY_STATE(kernel_split_state.ray_state, ray_index, RAY_HIT_BACKGROUND); - } -} - -CCL_NAMESPACE_END |