/// <summary cref="MemoryBuffer{T, TIndex}.CopyFromView(
/// AcceleratorStream, ArrayView{T}, LongIndex1)"/>
protected internal unsafe override void CopyFromView(
AcceleratorStream stream,
ArrayView <T> source,
LongIndex1 targetOffset)
{
var binding = Accelerator.BindScoped();
var clStream = (CLStream)stream;
switch (source.AcceleratorType)
{
case AcceleratorType.CPU:
CLException.ThrowIfFailed(
CurrentAPI.WriteBuffer(
clStream.CommandQueue,
NativePtr,
false,
new IntPtr(targetOffset * ElementSize),
new IntPtr(source.LengthInBytes),
new IntPtr(source.LoadEffectiveAddress())));
break;
case AcceleratorType.OpenCL:
CLException.ThrowIfFailed(
CurrentAPI.CopyBuffer(
clStream.CommandQueue,
source.Source.NativePtr,
NativePtr,
new IntPtr(source.Index * ElementSize),
new IntPtr(targetOffset * ElementSize),
new IntPtr(source.LengthInBytes)));
break;
default:
throw new NotSupportedException(
RuntimeErrorMessages.NotSupportedTargetAccelerator);
}
binding.Recover();
}
/// <summary cref="MemoryBuffer{T, TIndex}.CopyToView(
/// AcceleratorStream, ArrayView{T}, LongIndex1)"/>
protected internal unsafe override void CopyToView(
AcceleratorStream stream,
ArrayView <T> target,
LongIndex1 sourceOffset)
{
var binding = Accelerator.BindScoped();
switch (target.AcceleratorType)
{
case AcceleratorType.CPU:
CLException.ThrowIfFailed(
CurrentAPI.ReadBuffer(
stream,
NativePtr,
false,
new IntPtr(sourceOffset * ElementSize),
new IntPtr(target.LengthInBytes),
new IntPtr(target.LoadEffectiveAddress())));
break;
case AcceleratorType.OpenCL:
CLException.ThrowIfFailed(
CurrentAPI.CopyBuffer(
stream,
NativePtr,
target.Source.NativePtr,
new IntPtr(sourceOffset * ElementSize),
new IntPtr(target.Index * ElementSize),
new IntPtr(target.LengthInBytes)));
break;
default:
throw new NotSupportedException(
RuntimeErrorMessages.NotSupportedTargetAccelerator);
}
binding.Recover();
}