142 lines
4 KiB
C++
142 lines
4 KiB
C++
|
//---------------------------------------------------------------------------
|
||
|
|
// CacheList.cpp - manages list of CRenderCache objects
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
#include "stdafx.h"
|
||
|
|
#include "CacheList.h"
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
DWORD _tls_CacheListIndex = 0xffffffff; // index to tls pObjectPool
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
CCacheList::CCacheList()
|
||
|
|
{
|
||
|
|
Log(LOG_CACHE, L"CCacheList: CREATED cache list for this thread");
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
CCacheList::~CCacheList()
|
||
|
|
{
|
||
|
|
for (int i=0; i < _CacheEntries.m_nSize; i++)
|
||
|
|
{
|
||
|
|
if (_CacheEntries[i])
|
||
|
|
delete _CacheEntries[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
Log(LOG_CACHE, L"~CCacheList: DELETED cache list for this thread");
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
HRESULT CCacheList::GetCacheObject(CRenderObj *pRenderObj, int iSlot, CRenderCache **ppCache)
|
||
|
|
{
|
||
|
|
static int iPassCount = 0;
|
||
|
|
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
CRenderCache *pCache;
|
||
|
|
|
||
|
|
if (iSlot >= _CacheEntries.m_nSize)
|
||
|
|
{
|
||
|
|
hr = Resize(iSlot);
|
||
|
|
if (FAILED(hr))
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
pCache = _CacheEntries[iSlot];
|
||
|
|
|
||
|
|
//---- is this an old object (old objects are freed on discovery) ----
|
||
|
|
if (pCache)
|
||
|
|
{
|
||
|
|
BOOL fBad = (pRenderObj->_iUniqueId != pCache->_iUniqueId);
|
||
|
|
if (! fBad)
|
||
|
|
{
|
||
|
|
//---- verify integrity of cache/render design ----
|
||
|
|
if (pRenderObj != pCache->_pRenderObj)
|
||
|
|
{
|
||
|
|
// should never happen
|
||
|
|
Log(LOG_ERROR, L"cache object doesn't match CRenderObj");
|
||
|
|
fBad = TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fBad)
|
||
|
|
{
|
||
|
|
Log(LOG_CACHE, L"GetCacheObject: deleting OLD OBJECT (slot=%d)", iSlot);
|
||
|
|
|
||
|
|
delete pCache;
|
||
|
|
pCache = NULL;
|
||
|
|
_CacheEntries[iSlot] = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//---- create an object on demand ----
|
||
|
|
if (! pCache)
|
||
|
|
{
|
||
|
|
Log(LOG_CACHE, L"GetCacheObject: creating cache obj ON DEMAND (slot=%d)", iSlot);
|
||
|
|
|
||
|
|
pCache = new CRenderCache(pRenderObj, pRenderObj->_iUniqueId);
|
||
|
|
if (! pCache)
|
||
|
|
{
|
||
|
|
hr = MakeError32(E_OUTOFMEMORY);
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
_CacheEntries[iSlot] = pCache;
|
||
|
|
|
||
|
|
ASSERT(pRenderObj == pCache->_pRenderObj);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Log(LOG_CACHE, L"GetCacheObject: using EXISTING OBJ (slot=%d)", iSlot);
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppCache = pCache;
|
||
|
|
|
||
|
|
exit:
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
HRESULT CCacheList::Resize(int iMaxSlotNum)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
Log(LOG_CACHE, L"CCacheList::Resize: new MaxSlot=%d", iMaxSlotNum);
|
||
|
|
|
||
|
|
int iOldSize = _CacheEntries.m_nSize;
|
||
|
|
|
||
|
|
if (iMaxSlotNum >= iOldSize)
|
||
|
|
{
|
||
|
|
typedef CRenderCache *Entry;
|
||
|
|
|
||
|
|
Entry *pNew = (Entry *)realloc(_CacheEntries.m_aT,
|
||
|
|
(iMaxSlotNum+1) * sizeof(Entry));
|
||
|
|
|
||
|
|
if (! pNew)
|
||
|
|
hr = MakeError32(E_OUTOFMEMORY);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_CacheEntries.m_nAllocSize = iMaxSlotNum + 1;
|
||
|
|
_CacheEntries.m_aT = pNew;
|
||
|
|
_CacheEntries.m_nSize = iMaxSlotNum + 1;
|
||
|
|
|
||
|
|
for (int i=iOldSize; i < _CacheEntries.m_nSize; i++)
|
||
|
|
_CacheEntries[i] = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
CCacheList *GetTlsCacheList(BOOL fOkToCreate)
|
||
|
|
{
|
||
|
|
CCacheList *pList = NULL;
|
||
|
|
|
||
|
|
if (_tls_CacheListIndex != 0xffffffff) // init-ed in ProcessAttach()
|
||
|
|
{
|
||
|
|
pList = (CCacheList *)TlsGetValue(_tls_CacheListIndex);
|
||
|
|
if ((! pList) && (fOkToCreate)) // not yet initialized
|
||
|
|
{
|
||
|
|
//---- create a thread-local cache list ----
|
||
|
|
pList = new CCacheList();
|
||
|
|
TlsSetValue(_tls_CacheListIndex, pList);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return pList;
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|