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* | * ** * ** |** **
\))ejm97/.,(//,,..,,\||(,,.,\\,.((//
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2016 Baldur Karlsson
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* Copyright (c) 2014 Crytek
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#include "resource_manager.h"
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namespace ResourceIDGen
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{
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static volatile int64_t globalIDCounter = 1;
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ResourceId GetNewUniqueID()
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{
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return ResourceId(Atomic::Inc64(&globalIDCounter), true);
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}
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void SetReplayResourceIDs()
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{
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// separate replay IDs from live IDs by adding a value when replaying.
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// 1000000000000000000 live IDs before we overlap replay IDs gives
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// almost 32 years generating 100000 IDs per frame at 10000 FPS.
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// only add this value once (since we're not |'ing on a bit)
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if(globalIDCounter < 1000000000000000000LL)
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globalIDCounter =
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RDCMAX(int64_t(globalIDCounter), int64_t(globalIDCounter + 1000000000000000000LL));
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}
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};
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void ResourceRecord::MarkResourceFrameReferenced(ResourceId id, FrameRefType refType)
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{
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if(id == ResourceId())
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return;
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ResourceManager<void *, void *, ResourceRecord>::MarkReferenced(m_FrameRefs, id, refType);
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}
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void ResourceRecord::AddResourceReferences(ResourceRecordHandler *mgr)
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{
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for(auto it = m_FrameRefs.begin(); it != m_FrameRefs.end(); ++it)
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{
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mgr->MarkResourceFrameReferenced(it->first, it->second);
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}
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}
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void ResourceRecord::Delete(ResourceRecordHandler *mgr)
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{
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int32_t ref = Atomic::Dec32(&RefCount);
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RDCASSERT(ref >= 0);
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if(ref <= 0)
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{
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for(auto it = Parents.begin(); it != Parents.end(); ++it)
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(*it)->Delete(mgr);
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Parents.clear();
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Length = 0;
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DataPtr = NULL;
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for(auto it = m_FrameRefs.begin(); it != m_FrameRefs.end(); ++it)
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{
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if(it->second == eFrameRef_Write || it->second == eFrameRef_ReadAndWrite ||
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it->second == eFrameRef_ReadBeforeWrite)
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{
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// lost a write to this resource, must mark it as gpu dirty.
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mgr->MarkPendingDirty(it->first);
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}
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}
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DeleteChunks();
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if(ResID != ResourceId())
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{
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mgr->MarkCleanResource(ResID);
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mgr->RemoveResourceRecord(ResID);
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}
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mgr->DestroyResourceRecord(this);
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}
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}
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