Ichthyostega
1b970cd943
This subsystem as such can be considered as implemented now, while several details still wait to be filled in.
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/*
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FACADE.hpp - access point for communicating with the Proc-Interface
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Copyright (C) Lumiera.org
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2008, 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 facade.hpp
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** Top level entrance point and facade for the Proc-Layer.
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** The middle layer of the application holds a session with the high-level model,
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** to be translated by the Builder into a node network, which can be _performed_
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** by the Engine to render output.
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**
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** @see common.hpp
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** @see main.cpp
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**
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*/
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#ifndef PROC_INTERFACE_FACADE_H
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#define PROC_INTERFACE_FACADE_H
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#include "common/subsys.hpp"
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namespace proc {
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/*****************************************************************//**
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* Global access point for the services implemented by the Proc-Layer.
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*
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* @todo this is a dummy placeholder as of 1/2009. Currently, there
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* is only implementation-level code within the Proc-Layer and
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* the interfaces need to be worked out.
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* @todo at least the Play/Output subsystem slowly turns into
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* something real, as of 6/2011
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* @todo and as of 1/2017, the Session subsystem is basically
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* implemented and it became clear that there won't be
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* a "Builder subsystem". So this interface might now
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* be considered roughly complete...
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*
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*/
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struct Facade
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{
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/** provide a descriptor for lumiera::AppState,
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* wired accordingly to allow `main()` to boot
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* the support infrastructure for loading of
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* and working on the editing session. */
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static lumiera::Subsys& getSessionDescriptor();
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/** provide a descriptor for lumiera::AppState,
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* wired accordingly to allow `main()` to bring up
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* the render / playback coordination and
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* output management subsystem. */
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static lumiera::Subsys& getPlayOutDescriptor();
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//////////////////TODO: define the global access interfaces for the Proc-Layer
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//////////////////TODO: provide a function for accessing this interface
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//////////////////TODO: register similar proxy/facade interfaces for the GUI
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};
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} // namespace proc
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#endif
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