public virtual int CreateHeap(
ref D3D12_HEAP_DESC pDesc,
ref Guid riid,
out IntPtr ppvHeap
)
{
var fp = GetFunctionPointer(28);
if (m_CreateHeapFunc == null)
{
m_CreateHeapFunc = (CreateHeapFunc)Marshal.GetDelegateForFunctionPointer(fp, typeof(CreateHeapFunc));
}
return(m_CreateHeapFunc(m_ptr, ref pDesc, ref riid, out ppvHeap));
}
public virtual int CreateHeap1(
ref D3D12_HEAP_DESC pDesc,
ID3D12ProtectedResourceSession pProtectedSession,
ref Guid riid,
out IntPtr ppvHeap
)
{
var fp = GetFunctionPointer(54);
if (m_CreateHeap1Func == null)
{
m_CreateHeap1Func = (CreateHeap1Func)Marshal.GetDelegateForFunctionPointer(fp, typeof(CreateHeap1Func));
}
return(m_CreateHeap1Func(m_ptr, ref pDesc, pProtectedSession != null ? pProtectedSession.Ptr : IntPtr.Zero, ref riid, out ppvHeap));
}
private Pointer <ID3D12Heap> CreateD3D12Heap()
{
_state.ThrowIfDisposedOrDisposing();
ID3D12Heap *d3d12Heap;
var collection = Collection;
var d3d12Device = collection.Allocator.Device.D3D12Device;
var heapFlags = collection.D3D12HeapFlags;
var heapType = collection.D3D12HeapType;
var heapDesc = new D3D12_HEAP_DESC(Size, heapType, GetAlignment(heapFlags), heapFlags);
var iid = IID_ID3D12Heap;
ThrowExternalExceptionIfFailed(nameof(ID3D12Device.CreateHeap), d3d12Device->CreateHeap(&heapDesc, &iid, (void **)&d3d12Heap));
return(d3d12Heap);
}
private Pointer <ID3D12Heap> CreateD3D12Heap()
{
_state.ThrowIfDisposedOrDisposing();
ID3D12Heap *d3d12Heap;
var heapType = CpuAccess switch {
GraphicsHeapCpuAccess.Read => D3D12_HEAP_TYPE_READBACK,
GraphicsHeapCpuAccess.Write => D3D12_HEAP_TYPE_UPLOAD,
_ => D3D12_HEAP_TYPE_DEFAULT,
};
var heapDesc = new D3D12_HEAP_DESC(Size, heapType);
var iid = IID_ID3D12Heap;
ThrowExternalExceptionIfFailed(nameof(ID3D12Device.CreateHeap), D3D12GraphicsDevice.D3D12Device->CreateHeap(
&heapDesc,
&iid,
(void **)&d3d12Heap
));
return(d3d12Heap);
}
