/// <summary>
/// Performs an inverse FFT.
/// </summary>
/// <param name="inputBufferRef"><para>Pointer to <see cref="SharpDX.Direct3D11.UnorderedAccessView"/> onto the input buffer.</para></param>
/// <returns>
/// Returns the computation in a temp buffers; in addition, the last buffer written to is returned.
/// </returns>
/// <unmanaged>HRESULT ID3DX11FFT::InverseTransform([In] const ID3D11UnorderedAccessView* pInputBuffer,[InOut] void** ppOutputBuffer)</unmanaged>
public SharpDX.Direct3D11.UnorderedAccessView InverseTransform(SharpDX.Direct3D11.UnorderedAccessView inputBufferRef)
{
IntPtr returnView = IntPtr.Zero;
InverseTransform(inputBufferRef, ref returnView);
return(new UnorderedAccessView(returnView));
}
/// <summary>
/// Sets an unordered access view to the shader pipeline, without affecting ones that are already set.
/// </summary>
/// <param name="slot">The binding slot.</param>
/// <param name="shaderResourceView">The shader resource view.</param>
/// <param name="view">The native unordered access view.</param>
/// <param name="uavInitialOffset">The Append/Consume buffer offset. See SetUnorderedAccessView for more details.</param>
internal void OMSetSingleUnorderedAccessView(int slot, SharpDX.Direct3D11.UnorderedAccessView view, int uavInitialOffset)
{
currentUARenderTargetViews[slot] = view;
int remainingSlots = currentUARenderTargetViews.Length - currentRenderTargetViewsActiveCount;
var uavs = new SharpDX.Direct3D11.UnorderedAccessView[remainingSlots];
Array.Copy(currentUARenderTargetViews, currentRenderTargetViewsActiveCount, uavs, 0, remainingSlots);
var uavInitialCounts = new int[remainingSlots];
for (int i = 0; i < remainingSlots; i++)
{
uavInitialCounts[i] = -1;
}
uavInitialCounts[slot - currentRenderTargetViewsActiveCount] = uavInitialOffset;
outputMerger.SetUnorderedAccessViews(currentRenderTargetViewsActiveCount, uavs, uavInitialCounts);
}
/// <summary>
/// Sets an array of views for an unordered resource.
/// </summary>
/// <remarks>
/// </remarks>
/// <param name="startSlot">Index of the first element in the zero-based array to begin setting. </param>
/// <param name="unorderedAccessView">A reference to an <see cref="SharpDX.Direct3D11.UnorderedAccessView"/> references to be set by the method. </param>
/// <param name="uavInitialCount">An Append/Consume buffer offsets. A value of -1 indicates the current offset should be kept. Any other values set the hidden counter for that Appendable/Consumable UAV. uAVInitialCount is only relevant for UAVs which have the <see cref="SharpDX.Direct3D11.UnorderedAccessViewBufferFlags"/> flag, otherwise the argument is ignored. </param>
/// <unmanaged>void CSSetUnorderedAccessViews([In] int StartSlot,[In] int NumUAVs,[In, Buffer] const ID3D11UnorderedAccessView** ppUnorderedAccessViews,[In, Buffer] const int* pUAVInitialCounts)</unmanaged>
public void SetUnorderedAccessView(int startSlot, SharpDX.Direct3D11.UnorderedAccessView unorderedAccessView, int uavInitialCount)
{
SetUnorderedAccessViews(startSlot, new[] { unorderedAccessView }, new[] { uavInitialCount });
}
/// <summary>
/// Sets an array of views for an unordered resource.
/// </summary>
/// <remarks>
/// </remarks>
/// <param name="startSlot">Index of the first element in the zero-based array to begin setting. </param>
/// <param name="unorderedAccessView">A reference to an <see cref="SharpDX.Direct3D11.UnorderedAccessView"/> references to be set by the method. </param>
/// <unmanaged>void CSSetUnorderedAccessViews([In] int StartSlot,[In] int NumUAVs,[In, Buffer] const ID3D11UnorderedAccessView** ppUnorderedAccessViews,[In, Buffer] const int* pUAVInitialCounts)</unmanaged>
public void SetUnorderedAccessView(int startSlot, SharpDX.Direct3D11.UnorderedAccessView unorderedAccessView)
{
SetUnorderedAccessView(startSlot, unorderedAccessView, -1);
}
/// <summary>
/// Performs an inverse FFT.
/// </summary>
/// <param name="inputBufferRef"><para>Pointer to <see cref="SharpDX.Direct3D11.UnorderedAccessView"/> onto the input buffer.</para></param>
/// <param name="outputBufferView"><para>Buffer <see cref="SharpDX.Direct3D11.UnorderedAccessView"/> reference used as the output buffer.</para></param>
/// <returns>Returns one of the return codes described in the topic Direct3D 11 Return Codes.</returns>
/// <unmanaged>HRESULT ID3DX11FFT::InverseTransform([In] const ID3D11UnorderedAccessView* pInputBuffer,[InOut] void** ppOutputBuffer)</unmanaged>
public void InverseTransform(SharpDX.Direct3D11.UnorderedAccessView inputBufferRef, SharpDX.Direct3D11.UnorderedAccessView outputBufferView)
{
IntPtr outputView = outputBufferView.NativePointer;
InverseTransform(inputBufferRef, ref outputView);
}
