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Speed up reading multiple isos in a row.

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2013-03-31 20:58:24 -07:00
parent 086fd24edb
commit 20bb55e1cb
2 changed files with 30 additions and 4 deletions
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27
Core/FileSystems/ISOFileSystem.cpp
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@@ -131,6 +131,8 @@ struct VolDescriptor
#pragma pack(pop)
std::list<ISOFileSystem::TreeEntry *> ISOFileSystem::entryFreeList;
ISOFileSystem::ISOFileSystem(IHandleAllocator *_hAlloc, BlockDevice *_blockDevice)
{
blockDevice = _blockDevice;
@@ -156,7 +158,7 @@ ISOFileSystem::ISOFileSystem(IHandleAllocator *_hAlloc, BlockDevice *_blockDevic
ERROR_LOG(FILESYS, "ISO looks bogus? trying anyway...");
}
treeroot = new TreeEntry;
treeroot = GetTreeEntry();
treeroot->isDirectory = true;
treeroot->startingPosition = 0;
treeroot->size = 0;
@@ -173,7 +175,7 @@ ISOFileSystem::ISOFileSystem(IHandleAllocator *_hAlloc, BlockDevice *_blockDevic
ISOFileSystem::~ISOFileSystem()
{
delete blockDevice;
delete treeroot;
ReleaseTreeEntry(treeroot);
}
void ISOFileSystem::ReadDirectory(u32 startsector, u32 dirsize, TreeEntry *root)
@@ -204,7 +206,7 @@ void ISOFileSystem::ReadDirectory(u32 startsector, u32 dirsize, TreeEntry *root)
bool isFile = (dir.flags & 2) ? false : true;
bool relative;
TreeEntry *e = new TreeEntry();
TreeEntry *e = GetTreeEntry();
if (dir.identifierLength == 1 && (dir.firstIdChar == '\x00' || dir.firstIdChar == '.'))
{
e->name = ".";
@@ -591,6 +593,25 @@ std::string ISOFileSystem::EntryFullPath(TreeEntry *e)
return path;
}
ISOFileSystem::TreeEntry *ISOFileSystem::GetTreeEntry()
{
if (entryFreeList.empty())
return new TreeEntry();
else
{
TreeEntry *entry = entryFreeList.back();
entryFreeList.pop_back();
return entry;
}
}
void ISOFileSystem::ReleaseTreeEntry(ISOFileSystem::TreeEntry *entry)
{
entry->name.clear();
entry->children.clear();
entryFreeList.push_back(entry);
}
void ISOFileSystem::DoState(PointerWrap &p)
{
int n = (int) entries.size();