diff options
Diffstat (limited to 'intern/cycles/kernel/split/kernel_shadow_blocked_ao.h')
| -rw-r--r-- | intern/cycles/kernel/split/kernel_shadow_blocked_ao.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/intern/cycles/kernel/split/kernel_shadow_blocked_ao.h b/intern/cycles/kernel/split/kernel_shadow_blocked_ao.h new file mode 100644 index 00000000000..79aa2c9435b --- /dev/null +++ b/intern/cycles/kernel/split/kernel_shadow_blocked_ao.h @@ -0,0 +1,55 @@ +/* + * 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 + +/* Shadow ray cast for AO. */ +ccl_device void kernel_shadow_blocked_ao(KernelGlobals *kg) +{ + unsigned int ao_queue_length = kernel_split_params.queue_index[QUEUE_SHADOW_RAY_CAST_AO_RAYS]; + ccl_barrier(CCL_LOCAL_MEM_FENCE); + + int ray_index = QUEUE_EMPTY_SLOT; + int thread_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0); + if(thread_index < ao_queue_length) { + ray_index = get_ray_index(kg, thread_index, QUEUE_SHADOW_RAY_CAST_AO_RAYS, + kernel_split_state.queue_data, kernel_split_params.queue_size, 1); + } + + if(ray_index == QUEUE_EMPTY_SLOT) { + return; + } + + ShaderData *sd = &kernel_split_state.sd[ray_index]; + ShaderData *emission_sd = &kernel_split_state.sd_DL_shadow[ray_index]; + PathRadiance *L = &kernel_split_state.path_radiance[ray_index]; + ccl_global PathState *state = &kernel_split_state.path_state[ray_index]; + float3 throughput = kernel_split_state.throughput[ray_index]; + +#ifdef __BRANCHED_PATH__ + if(!kernel_data.integrator.branched || IS_FLAG(kernel_split_state.ray_state, ray_index, RAY_BRANCHED_INDIRECT)) { +#endif + kernel_path_ao(kg, sd, emission_sd, L, state, throughput, shader_bsdf_alpha(kg, sd)); +#ifdef __BRANCHED_PATH__ + } + else { + kernel_branched_path_ao(kg, sd, emission_sd, L, state, throughput); + } +#endif +} + +CCL_NAMESPACE_END + |