/// <inheritdoc/>
public override void GetData(Span <T> span, int offset, int count)
{
using Buffer <T> transferBuffer = new Buffer <T>(GraphicsDevice, count, count * ElementSizeInBytes, BufferType.Transfer);
using CommandList copyCommandList = new CommandList(GraphicsDevice, CommandListType.Copy);
copyCommandList.CopyBufferRegion(this, offset * ElementSizeInBytes, transferBuffer, 0, count * ElementSizeInBytes);
copyCommandList.Flush();
transferBuffer.Map(0);
MemoryHelper.Copy(transferBuffer.MappedResource, 0, span, 0, count);
transferBuffer.Unmap(0);
}
/// <inheritdoc/>
public override void SetData(ReadOnlySpan <T> span, int offset, int count)
{
using Buffer <T> transferBuffer = new Buffer <T>(GraphicsDevice, count, count * ElementSizeInBytes, BufferType.Transfer);
using (MappedResource resource = transferBuffer.MapResource())
{
MemoryHelper.Copy(span, resource.Pointer, 0, count);
}
using CommandList copyCommandList = new CommandList(GraphicsDevice, CommandListType.Copy);
copyCommandList.CopyBufferRegion(transferBuffer, 0, this, offset * ElementSizeInBytes, count * ElementSizeInBytes);
copyCommandList.ExecuteAndWaitForCompletion();
}
/// <inheritdoc/>
public override void SetData(HlslBuffer <T> buffer)
{
if (!buffer.IsPaddingPresent)
{
// Directly copy the input buffer
using CommandList copyCommandList = new CommandList(GraphicsDevice, CommandListType.Copy);
copyCommandList.CopyBufferRegion(buffer, 0, this, 0, SizeInBytes);
copyCommandList.ExecuteAndWaitForCompletion();
}
else
{
SetDataWithCpuBuffer(buffer);
}
}