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/*
* Copyright 2011-2021 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.
*/
#pragma once
#include "util/vector.h"
CCL_NAMESPACE_BEGIN
struct WorkBalanceInfo {
/* Time spent performing corresponding work. */
double time_spent = 0;
/* Average occupancy of the device while performing the work. */
float occupancy = 1.0f;
/* Normalized weight, which is ready to be used for work balancing (like calculating fraction of
* the big tile which is to be rendered on the device). */
double weight = 1.0;
};
/* Balance work for an initial render integration, before any statistics is known. */
void work_balance_do_initial(vector<WorkBalanceInfo> &work_balance_infos);
/* Rebalance work after statistics has been accumulated.
* Returns true if the balancing did change. */
bool work_balance_do_rebalance(vector<WorkBalanceInfo> &work_balance_infos);
CCL_NAMESPACE_END
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