void FD3D12BuddyAllocator::Initialize()
{
FD3D12Device* Device = GetParentDevice();
FD3D12Adapter* Adapter = Device->GetParentAdapter();
if (AllocationStrategy == eBuddyAllocationStrategy::kPlacedResourceStrategy)
{
D3D12_HEAP_PROPERTIES HeapProps = CD3DX12_HEAP_PROPERTIES(HeapType);
HeapProps.CreationNodeMask = GetNodeMask();
HeapProps.VisibleNodeMask = GetVisibilityMask();
D3D12_HEAP_DESC Desc = {};
Desc.SizeInBytes = MaxBlockSize;
Desc.Properties = HeapProps;
Desc.Alignment = 0;
Desc.Flags = HeapFlags;
ID3D12Heap* Heap = nullptr;
VERIFYD3D12RESULT(Adapter->GetD3DDevice()->CreateHeap(&Desc, IID_PPV_ARGS(&Heap)));
SetName(Heap, L"Placed Resource Allocator Backing Heap");
BackingHeap = new FD3D12Heap(GetParentDevice(), GetVisibilityMask());
BackingHeap->SetHeap(Heap);
if (IsCPUWritable(HeapType) == false)
{
BackingHeap->BeginTrackingResidency(Desc.SizeInBytes);
}
}
else
{
VERIFYD3D12RESULT(Adapter->CreateBuffer(HeapType, GetNodeMask(), GetVisibilityMask(), MaxBlockSize, BackingResource.GetInitReference(), ResourceFlags));
SetName(BackingResource, L"Resource Allocator Underlying Buffer");
if (IsCPUWritable(HeapType))
{
BackingResource->Map();
}
}
}
HRESULT CD3DX12AffinityFence::SetEventOnCompletion(UINT64 Value, HANDLE hEvent, UINT AffinityMask)
{
UINT EffectiveAffinityMask = (AffinityMask == 0) ? GetNodeMask() : AffinityMask & GetNodeMask();
for (UINT i = 0; i < D3DX12_MAX_ACTIVE_NODES;i++)
{
if (((1 << i) & EffectiveAffinityMask) != 0)
{
return mFences[i]->SetEventOnCompletion(Value, hEvent);
}
}
//should never get here, mask is incorrect
return E_FAIL;
}
UINT64 CD3DX12AffinityFence::GetCompletedValue(UINT AffinityMask)
{
UINT64 Minimum = 0 - 1ull;
UINT EffectiveAffinityMask = (AffinityMask == 0) ? GetNodeMask() : AffinityMask & GetNodeMask();
for (UINT i = 0; i < D3DX12_MAX_ACTIVE_NODES;i++)
{
if (((1 << i) & EffectiveAffinityMask) != 0)
{
UINT64 CompletedValue = mFences[i]->GetCompletedValue();
Minimum = min(CompletedValue, Minimum);
}
}
return Minimum;
}
void STDMETHODCALLTYPE CD3DX12AffinityObject::SetAffinity(
UINT AffinityMask)
{
mAffinityMask = AffinityMask & GetNodeMask();
}