protected override void DestroyImpl()
{
// Do not release _nativeDeviceChild, as it is owned by the texture.
// _renderTargetView should keep it alive anyway.
//base.DestroyImpl();
_nativeDeviceChild = null;
Utilities.Dispose(ref _renderTargetView);
}
/// <inheritdoc/>
protected internal override void OnDestroyed()
{
// Recycle heaps
ResetSrvHeap(false);
ResetSamplerHeap(false);
// Available right now (NextFenceValue - 1)
// TODO: Note that it won't be available right away because CommandAllocators is currently not using a PriorityQueue but a simple Queue
if (nativeCommandAllocator != null)
{
GraphicsDevice.CommandAllocators.RecycleObject(GraphicsDevice.NextFenceValue - 1, nativeCommandAllocator);
nativeCommandAllocator = null;
}
Utilities.Dispose(ref NativeCommandList);
base.OnDestroyed();
}
internal void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox, ResourceRegion region)
{
var texture = resource as Texture;
if (texture != null)
{
var width = region.Right - region.Left;
var height = region.Bottom - region.Top;
var depth = region.Back - region.Front;
ResourceDescription resourceDescription;
switch (texture.Dimension)
{
case TextureDimension.Texture1D:
resourceDescription = ResourceDescription.Texture1D((SharpDX.DXGI.Format)texture.Format, width, 1, 1);
break;
case TextureDimension.Texture2D:
case TextureDimension.TextureCube:
resourceDescription = ResourceDescription.Texture2D((SharpDX.DXGI.Format)texture.Format, width, height, 1, 1);
break;
case TextureDimension.Texture3D:
resourceDescription = ResourceDescription.Texture3D((SharpDX.DXGI.Format)texture.Format, width, height, (short)depth, 1);
break;
default:
throw new ArgumentOutOfRangeException();
}
// TODO D3D12 allocate in upload heap (placed resources?)
var nativeUploadTexture = NativeDevice.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None,
resourceDescription,
ResourceStates.GenericRead);
GraphicsDevice.TemporaryResources.Enqueue(new KeyValuePair <long, DeviceChild>(GraphicsDevice.NextFenceValue, nativeUploadTexture));
nativeUploadTexture.WriteToSubresource(0, null, databox.DataPointer, databox.RowPitch, databox.SlicePitch);
var parentResource = resource.ParentResource ?? resource;
// Trigger copy
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, parentResource.NativeResourceState, ResourceStates.CopyDestination);
NativeCommandList.CopyTextureRegion(new TextureCopyLocation(resource.NativeResource, subResourceIndex), region.Left, region.Top, region.Front, new TextureCopyLocation(nativeUploadTexture, 0), null);
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, ResourceStates.CopyDestination, parentResource.NativeResourceState);
}
else
{
var buffer = resource as Buffer;
if (buffer != null)
{
SharpDX.Direct3D12.Resource uploadResource;
int uploadOffset;
var uploadSize = region.Right - region.Left;
var uploadMemory = GraphicsDevice.AllocateUploadBuffer(region.Right - region.Left, out uploadResource, out uploadOffset);
Utilities.CopyMemory(uploadMemory, databox.DataPointer, uploadSize);
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, resource.NativeResourceState, ResourceStates.CopyDestination);
NativeCommandList.CopyBufferRegion(resource.NativeResource, region.Left, uploadResource, uploadOffset, uploadSize);
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, ResourceStates.CopyDestination, resource.NativeResourceState);
}
else
{
throw new InvalidOperationException("Unknown resource type");
}
}
}
