blender/intern/cycles/integrator/work_balancer.h
Brecht Van Lommel 9cfc7967dd Cycles: use SPDX license headers
* Replace license text in headers with SPDX identifiers.
* Remove specific license info from outdated readme.txt, instead leave details
  to the source files.
* Add list of SPDX license identifiers used, and corresponding license texts.
* Update copyright dates while we're at it.

Ref D14069, T95597
2022-02-11 17:47:34 +01:00

30 lines
891 B
C

/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#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