Ichthyostega
23a6fbdf4f
- analysis of Activity usage - derive possible memory management schemes - research regarding asynchronous IO - decision regarding the memory management scheme
116 lines
3 KiB
C++
116 lines
3 KiB
C++
/*
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SCHEDULER-COMMUTATOR.hpp - coordination layer of the render engine scheduler
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Copyright (C) Lumiera.org
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2023, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/** @file scheduler-commutator.hpp
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** Layer-2 of the Scheduler: coordination and interaction of activities.
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** This is the upper layer of the implementation and provides high-level functionality.
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**
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** @see SchedulerCommutator_test
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** @see scheduler.hpp usage
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**
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** @todo WIP-WIP-WIP 6/2023 »Playback Vertical Slice«
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**
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*/
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#ifndef SRC_VAULT_GEAR_SCHEDULER_COMMUTATOR_H_
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#define SRC_VAULT_GEAR_SCHEDULER_COMMUTATOR_H_
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#include "vault/common.hpp"
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#include "lib/nocopy.hpp"
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#include "vault/gear/scheduler-invocation.hpp"
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//#include "lib/symbol.hpp"
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//#include "lib/util.hpp"
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//#include <string>
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namespace vault{
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namespace gear {
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// using util::isnil;
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// using std::string;
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/**
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* Scheduler Layer-2 : coordination.
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*
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* @see SchedulerInvocation (Layer-1)
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* @see SchedulerCommutator_test
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*/
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class SchedulerCommutator
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: util::NonCopyable
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{
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public:
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// explicit
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SchedulerCommutator()
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{ }
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void
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doWork (SchedulerInvocation& layer1)
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{
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layer1.feedPriorisation();
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while (layer1.isDue (currentLevel()))
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{
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Activity* activity = layer1.pullHead();
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if (isInternalWork (activity))
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performInternalWork (activity);
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else
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{
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performExternalWork (activity);
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return;
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}
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}
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}
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size_t
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currentLevel() const
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{
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UNIMPLEMENTED ("define waterlevel based on current time");
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}
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bool
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isInternalWork (Activity* activity)
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{
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UNIMPLEMENTED ("determine if an Activity counts as internal management task");
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}
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void
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performInternalWork (Activity* activity)
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{
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UNIMPLEMENTED ("evaluate a term");
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}
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void
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performExternalWork (Activity* activity)
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{
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UNIMPLEMENTED ("drop the exclusion flag and then engage into the external render activity");
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}
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};
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}} // namespace vault::gear
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#endif /*SRC_VAULT_GEAR_SCHEDULER_COMMUTATOR_H_*/
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