public CUarray GetGraphicsSubResourceMappedArray(CUgraphicsResource resource, uint arrIndex, uint mipLevel)
{
CUarray pArray = new CUarray();
this.LastError = CUDADriver.cuGraphicsSubResourceGetMappedArray(ref pArray, resource, arrIndex, mipLevel);
return(pArray);
}
public CUarray GetTextureArray(CUtexref tex)
{
CUarray phArray = new CUarray();
this.LastError = CUDADriver.cuTexRefGetArray(ref phArray, tex);
return(phArray);
}
public void CopyHostToArray <T>(CUarray devArray, T[] data, uint index)
{
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
this.LastError = CUDADriver.cuMemcpyHtoA(devArray, index, handle.AddrOfPinnedObject(), this.GetSize <T>(data));
handle.Free();
}
public CUDAArrayDescriptor GetArrayDescriptor(CUarray devArr)
{
CUDAArrayDescriptor pArrayDescriptor = new CUDAArrayDescriptor();
this.LastError = CUDADriver.cuArrayGetDescriptor(ref pArrayDescriptor, devArr);
return(pArrayDescriptor);
}
public CUarray CreateArray(CUDAArrayDescriptor desc)
{
CUarray pHandle = new CUarray();
this.LastError = CUDADriver.cuArrayCreate(ref pHandle, ref desc);
return(pHandle);
}
public CUarray CopyHostToArray <T>(T[] data, uint index)
{
CUarray devArray = this.CreateArray(data);
this.CopyHostToArray <T>(devArray, data, index);
return(devArray);
}
/// <summary>
/// Asynchron copy 1D Array to host
/// </summary>
/// <param name="deviceArray"></param>
/// <param name="stream"></param>
/// <param name="offset">bytes</param>
public void AsyncCopyFromArray1D(CUarray deviceArray, CUstream stream, SizeT offset)
{
if (disposed)
{
throw new ObjectDisposedException(this.ToString());
}
res = DriverAPINativeMethods.AsynchronousMemcpy_v2.cuMemcpyAtoHAsync_v2(this._intPtr, deviceArray, offset, SizeInBytes, stream);
Debug.Write(""); //Line(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpyAtoHAsync", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Creates a new CUDA array from an existing CUarray.
/// Array properties are obtained by cuArrayGetDescriptor
/// </summary>
/// <param name="cuArray"></param>
/// <param name="isOwner">The cuArray will be destroyed while disposing, if the CudaArray is the owner</param>
public CudaArray3D(CUarray cuArray, bool isOwner)
{
_cuArray = cuArray;
_array3DDescriptor = new CUDAArray3DDescriptor();
res = DriverAPINativeMethods.ArrayManagement.cuArray3DGetDescriptor_v2(ref _array3DDescriptor, _cuArray);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuArray3DGetDescriptor", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = isOwner;
}
/// <summary>
/// Gets a CUDA array plane from a CUDA array<para/>
/// Returns a CUDA array that represents a single format plane
/// of the CUDA array \p hArray.<para/>
/// If planeIdx is greater than the maximum number of planes in this array or if the array does
/// not have a multi-planar format e.g: ::CU_AD_FORMAT_NV12, then::CUDA_ERROR_INVALID_VALUE is returned.<para/>
/// Note that if the \p hArray has format ::CU_AD_FORMAT_NV12, then passing in 0 for \p planeIdx returns
/// a CUDA array of the same size as \p hArray but with one channel and::CU_AD_FORMAT_UNSIGNED_INT8 as its format.
/// If 1 is passed for \p planeIdx, then the returned CUDA array has half the height and width
/// of \p hArray with two channels and ::CU_AD_FORMAT_UNSIGNED_INT8 as its format.
/// </summary>
public CudaArray3D GetPlane(uint planeIdx)
{
CUarray arrayPlane = new CUarray();
res = DriverAPINativeMethods.ArrayManagement.cuArrayGetPlane(ref arrayPlane, _cuArray, planeIdx);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuArrayGetPlane", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
return(new CudaArray3D(arrayPlane, true));
}
/// <summary>
/// Returns a CUDA array that represents a single mipmap level
/// of the CUDA mipmapped array.
/// </summary>
/// <param name="level">Mipmap level</param>
public CUarray GetLevelAsCUArray(uint level)
{
CUarray array = new CUarray();
res = DriverAPINativeMethods.ArrayManagement.cuMipmappedArrayGetLevel(ref array, _mipmappedArray, level);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMipmappedArrayGetLevel", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
return(array);
}
/// <summary>
/// Synchron copy host to 1D Array
/// </summary>
/// <param name="deviceArray"></param>
/// <param name="offset"></param>
public void SynchronCopyToArray1D(CUarray deviceArray, SizeT offset)
{
if (disposed)
{
throw new ObjectDisposedException(this.ToString());
}
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpyHtoA_v2(deviceArray, offset, this._intPtr, SizeInBytes);
Debug.Write(""); //Line(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpyHtoA", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Creates a new CUDA array.
/// </summary>
/// <param name="format"></param>
/// <param name="width">In elements</param>
/// <param name="height">In elements</param>
/// <param name="numChannels"></param>
public CudaArray2D(CUArrayFormat format, SizeT width, SizeT height, CudaArray2DNumChannels numChannels)
{
_arrayDescriptor = new CUDAArrayDescriptor();
_arrayDescriptor.Format = format;
_arrayDescriptor.Height = height;
_arrayDescriptor.Width = width;
_arrayDescriptor.NumChannels = (uint)numChannels;
_cuArray = new CUarray();
res = DriverAPINativeMethods.ArrayManagement.cuArrayCreate_v2(ref _cuArray, ref _arrayDescriptor);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuArrayCreate", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = true;
}
/// <summary>
/// Returns a CUarray handle through which the subresource of the mapped graphics resource resource which
/// corresponds to array index <c>arrayIndex</c> and mipmap level <c>mipLevel</c> may be accessed. The pointer value in <c>CUarray</c>
/// may change every time that <c>resource</c> is mapped.<para/>
/// If the resource is not a texture then it cannot be accessed via an array and <see cref="CUResult.ErrorNotMappedAsArray"/>
/// exception is thrwon. If <c>arrayIndex</c> is not a valid array index for the resource then <see cref="CUResult.ErrorInvalidValue"/>
/// exception is thrwon. If <c>mipLevel</c> is not a valid mipmap level for the resource then <see cref="CUResult.ErrorInvalidValue"/>
/// exception is thrwon. If the resource is not mapped then <see cref="CUResult.ErrorNotMapped"/> exception is thrwon.
/// </summary>
/// <param name="arrayIndex"></param>
/// <param name="mipLevel"></param>
/// <returns></returns>
public CUarray GetMappedCUArray(uint arrayIndex, uint mipLevel)
{
if (disposed)
{
throw new ObjectDisposedException(this.ToString());
}
CUarray array = new CUarray();
res = DriverAPINativeMethods.GraphicsInterop.cuGraphicsSubResourceGetMappedArray(ref array, _cudaResource, arrayIndex, mipLevel);
Debug.Write(""); //Line(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuGraphicsSubResourceGetMappedArray", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
return(array);
}
/// <summary>
/// Asynchron copy 2D Array to host
/// </summary>
/// <param name="deviceArray"></param>
/// <param name="stream"></param>
public void AsyncCopyFromArray2D(CUarray deviceArray, CUstream stream)
{
if (disposed)
{
throw new ObjectDisposedException(this.ToString());
}
CUDAMemCpy2D cpyProps = new CUDAMemCpy2D();
cpyProps.srcArray = deviceArray;
cpyProps.srcMemoryType = CUMemoryType.Array;
cpyProps.dstHost = _intPtr;
cpyProps.dstMemoryType = CUMemoryType.Host;
cpyProps.dstPitch = _pitchInBytes;
cpyProps.WidthInBytes = _width * _typeSize;
cpyProps.Height = _height;
res = DriverAPINativeMethods.AsynchronousMemcpy_v2.cuMemcpy2DAsync_v2(ref cpyProps, stream);
Debug.Write("");//Line(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy2DAsync", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Synchron copy host to 3D array
/// </summary>
/// <param name="deviceArray"></param>
public void SynchronCopyToArray3D(CUarray deviceArray)
{
if (disposed)
{
throw new ObjectDisposedException(this.ToString());
}
CUDAMemCpy3D cpyProps = new CUDAMemCpy3D();
cpyProps.dstArray = deviceArray;
cpyProps.dstMemoryType = CUMemoryType.Array;
cpyProps.srcHost = _intPtr;
cpyProps.srcMemoryType = CUMemoryType.Host;
cpyProps.srcPitch = _pitchInBytes;
cpyProps.WidthInBytes = _width * _typeSize;
cpyProps.Height = _height;
cpyProps.Depth = _depth;
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpy3D_v2(ref cpyProps);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy3D", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
public void SetTextureArray(CUtexref tex, CUarray array)
{
this.SetTextureArray(tex, array, 1);
}
public void CopyArrayToHostAsync(CUarray devArray, IntPtr buffer, uint index, uint size, CUstream stream)
{
this.LastError = CUDADriver.cuMemcpyAtoHAsync(buffer, devArray, index, size, stream);
}
public void CopyArrayToArray(CUarray src, uint srcIndex, CUarray dst, uint dstIndex, uint bytes)
{
this.LastError = CUDADriver.cuMemcpyAtoA(dst, dstIndex, src, srcIndex, bytes);
}
public void CopyHostToArrayAsync(CUarray devArray, IntPtr buffer, uint size, CUstream stream)
{
this.CopyHostToArrayAsync(devArray, 0, buffer, size, stream);
}
/// <summary>
/// Creates a new CUDA array from an existing CUarray.
/// The CUarray won't be destroyed when disposing.
/// Array properties are obtained by cuArrayGetDescriptor
/// </summary>
/// <param name="cuArray"></param>
public CudaArray3D(CUarray cuArray)
: this(cuArray, false)
{
}
public static extern CUResult cuD3D10ResourceGetMappedArray(ref CUarray pArray, IntPtr pResource, uint SubResource);
public void CopyHostToArrayAsync(CUarray devArray, uint index, IntPtr buffer, uint size, CUstream stream)
{
this.LastError = CUDADriver.cuMemcpyHtoAAsync(devArray, index, buffer, size, stream);
}
public static extern CUResult cuD3D9ResourceGetMappedArray(ref CUarray pArray, IntPtr pResource, uint Face, uint Level);
public void DestroyArray(CUarray devArr)
{
this.LastError = CUDADriver.cuArrayDestroy(devArr);
}
/// <summary>
/// Asynchron copy 1D Array to host
/// </summary>
/// <param name="deviceArray"></param>
/// <param name="stream"></param>
public void AsyncCopyFromArray1D(CUarray deviceArray, CUstream stream)
{
AsyncCopyFromArray1D(deviceArray, stream, 0);
}
public void SetTextureArray(CUtexref tex, CUarray array, uint flags)
{
this.LastError = CUDADriver.cuTexRefSetArray(tex, array, flags);
}
/// <summary>
/// Synchron copy 1D Array to host
/// </summary>
/// <param name="deviceArray"></param>
public void SynchronCopyFromArray1D(CUarray deviceArray)
{
SynchronCopyFromArray1D(deviceArray, 0);
}
