087331c495
Goal is to reduce OpenCL kernel recompilations. Currently viewport renders are still set to use 64 closures as this seems to be faster and we don't want to cause a performance regression there. Needs to be investigated. Reviewed By: brecht Differential Revision: https://developer.blender.org/D2775
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*
|
|
* 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 operates on QUEUE_ACTIVE_AND_REGENERATED_RAYS.
|
|
* It processes rays of state RAY_ACTIVE and RAY_HIT_BACKGROUND.
|
|
* We will empty QUEUE_ACTIVE_AND_REGENERATED_RAYS queue in this kernel.
|
|
*/
|
|
ccl_device void kernel_lamp_emission(KernelGlobals *kg)
|
|
{
|
|
#ifndef __VOLUME__
|
|
/* We will empty this queue in this kernel. */
|
|
if(ccl_global_id(0) == 0 && ccl_global_id(1) == 0) {
|
|
kernel_split_params.queue_index[QUEUE_ACTIVE_AND_REGENERATED_RAYS] = 0;
|
|
}
|
|
#endif
|
|
/* 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,
|
|
#ifndef __VOLUME__
|
|
1
|
|
#else
|
|
0
|
|
#endif
|
|
);
|
|
if(ray_index == QUEUE_EMPTY_SLOT) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if(IS_STATE(kernel_split_state.ray_state, ray_index, RAY_ACTIVE) ||
|
|
IS_STATE(kernel_split_state.ray_state, ray_index, RAY_HIT_BACKGROUND))
|
|
{
|
|
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];
|
|
Ray ray = kernel_split_state.ray[ray_index];
|
|
ccl_global Intersection *isect = &kernel_split_state.isect[ray_index];
|
|
ShaderData *sd = kernel_split_sd(sd, ray_index);
|
|
|
|
kernel_path_lamp_emission(kg, state, &ray, throughput, isect, sd, L);
|
|
}
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|
|
|