Ichthyostega
febce1282c
this is mostly a diagnostic facility; the actual scheduling of jobs doesn't rely on hash values.
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/*
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FRAMEID.hpp - distinct identification of a single data frame
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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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#ifndef LUMIERA_FRAMEID_H
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#define LUMIERA_FRAMEID_H
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#include <boost/operators.hpp>
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namespace lumiera {
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/**
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* Identification tuple for denoting render nodes unambiguously.
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*
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* @todo currently (10/08) this is a dummy implementation. We'll find out
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* what is needed once the outline of the render engine is complete.
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*/
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struct NodeID
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{
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/////////TODO: include the segment?
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ulong id;
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ulong generation;
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ulong childSum;
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NodeID()
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: id (++currID),
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generation(0),
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childSum(0)
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{ }
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static ulong currID;
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};
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/**
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* Identification tuple for addressing frames unambiguously.
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*
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* @todo currently (7/08) this is a dummy implementation to find out
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* what interface the Proc layer needs. Probably the backend will
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* later on define what is actually needed; this header should then
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* be replaced by a combined C/C++ header
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*/
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class FrameID : boost::totally_ordered<FrameID> ////////////TODO it seems we don't need total ordering, only comparison. Clarify this!
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{
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long dummy;
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public:
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FrameID(long dum=0) : dummy(dum) {}
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operator long () { return dummy; }
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bool operator< (const FrameID& other) const { return dummy < other.dummy; }
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bool operator== (const FrameID& other) const { return dummy == other.dummy; }
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};
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} // namespace lumiera
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#endif
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