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/*
* Copyright 2011-2017 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 evaluates ShaderData structure from the values computed
* by the previous kernels.
*/
ccl_device void kernel_shader_eval(KernelGlobals *kg)
{
int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0);
int queue = kernel_split_params.shader_eval_queue;
int shade_state = kernel_split_params.shader_eval_state;
int queue_index = kernel_split_params.queue_index[queue];
if(ray_index >= queue_index) {
return;
}
ray_index = get_ray_index(kg, ray_index,
queue,
kernel_split_state.queue_data,
kernel_split_params.queue_size,
0);
if(ray_index == QUEUE_EMPTY_SLOT) {
return;
}
if(IS_STATE(kernel_split_state.ray_state, ray_index, shade_state)) {
ShaderEvalTask *eval_task = &kernel_split_state.shader_eval_task[ray_index];
ShaderData *sd = (ShaderData*)(((ccl_global char*)&kernel_split_state) + eval_task->sd_offset);
ccl_global PathState *state = &kernel_split_state.path_state[ray_index];
shader_eval(kg, sd, state, eval_task->intent);
}
}
CCL_NAMESPACE_END
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