43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* Copyright 2011-2021 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "util/util_vector.h"
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CCL_NAMESPACE_BEGIN
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struct WorkBalanceInfo {
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/* Time spent performing corresponding work. */
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double time_spent = 0;
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/* Average occupancy of the device while performing the work. */
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float occupancy = 1.0f;
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/* Normalized weight, which is ready to be used for work balancing (like calculating fraction of
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* the big tile which is to be rendered on the device). */
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double weight = 1.0;
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};
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/* Balance work for an initial render integration, before any statistics is known. */
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void work_balance_do_initial(vector<WorkBalanceInfo> &work_balance_infos);
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/* Rebalance work after statistics has been accumulated.
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* Returns true if the balancing did change. */
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bool work_balance_do_rebalance(vector<WorkBalanceInfo> &work_balance_infos);
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CCL_NAMESPACE_END
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