public void SyncDiscardedPages(H1LinearAllocationType allocType, UInt64 fenceId)
{
Int32 allocatorTypeIndex = Convert.ToInt32(allocType);
foreach (Tuple <UInt64, H1GpuResAllocPage> fencedAllocPage in m_RetiredPages[allocatorTypeIndex])
{
UInt64 allocPageFenceId = fencedAllocPage.Item1;
if (allocPageFenceId < fenceId) // looping alloc page in retired pages, check whether current alloc page is allowed to release
{
H1GpuResAllocPage newlyAvailablePage = fencedAllocPage.Item2;
m_AvailablePages[allocatorTypeIndex].Enqueue(newlyAvailablePage);
m_RetiredPages[allocatorTypeIndex].Dequeue();
}
}
}
public H1GpuResAllocPage RequestPage(H1LinearAllocationType allocType)
{
// check whether available page exists
Queue <H1GpuResAllocPage> availablePageQueue = m_AvailablePages[Convert.ToInt32(allocType)];
if (availablePageQueue.Count > 0)
{
return(availablePageQueue.Dequeue());
}
// crate new pages
H1GpuResAllocPage newPage = null;
//CreateAllocPage(allocType, ref newPage);
//if (newPage == null) // failed to create alloc page
return(null);
m_PagePool[Convert.ToInt32(allocType)].Add(newPage);
return(newPage);
}
