/// <summary>
/// Copy data from this array to host
/// </summary>
/// <typeparam name="T">Host array base type</typeparam>
/// <param name="aHostDest">Destination</param>
public void CopyFromThisToHost <T>(T[] aHostDest) where T : struct
{
GCHandle handle = GCHandle.Alloc(aHostDest, GCHandleType.Pinned);
try
{
CUDAMemCpy2D copyParams = new CUDAMemCpy2D();
copyParams.dstHost = handle.AddrOfPinnedObject();
copyParams.dstMemoryType = CUMemoryType.Host;
copyParams.srcArray = _cuArray;
copyParams.srcMemoryType = CUMemoryType.Array;
copyParams.Height = _arrayDescriptor.Height;
copyParams.WidthInBytes = _arrayDescriptor.Width * Marshal.SizeOf(typeof(T));
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpy2D_v2(ref copyParams);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy2D", res));
}
finally
{
handle.Free();
}
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// A raw unaligned copy method
/// </summary>
/// <param name="aCopyParameters"></param>
public void CopyDataUnaligned(CUDAMemCpy2D aCopyParameters)
{
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpy2DUnaligned_v2(ref aCopyParameters);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy2DUnaligned", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Copy array to array
/// </summary>
/// <param name="aDestArray"></param>
public void CopyFromThisToArray(CudaArray2D aDestArray)
{
CUDAMemCpy2D copyParams = new CUDAMemCpy2D();
copyParams.srcArray = _cuArray;
copyParams.srcMemoryType = CUMemoryType.Array;
copyParams.dstArray = aDestArray.CUArray;
copyParams.dstMemoryType = CUMemoryType.Array;
copyParams.Height = aDestArray.ArrayDescriptor.Height;
copyParams.WidthInBytes = aDestArray.ArrayDescriptor.Width * CudaHelperMethods.GetChannelSize(aDestArray.ArrayDescriptor.Format) * aDestArray.ArrayDescriptor.NumChannels;
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpy2D_v2(ref copyParams);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy2D", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Copy data from this array to host
/// </summary>
/// <param name="aHostDest">IntPtr to destination in host memory</param>
/// <param name="aElementSizeInBytes"></param>
public void CopyFromThisToHost(IntPtr aHostDest, SizeT aElementSizeInBytes)
{
CUDAMemCpy2D copyParams = new CUDAMemCpy2D();
copyParams.dstHost = aHostDest;
copyParams.dstMemoryType = CUMemoryType.Host;
copyParams.srcArray = _cuArray;
copyParams.srcMemoryType = CUMemoryType.Array;
copyParams.Height = _arrayDescriptor.Height;
copyParams.WidthInBytes = _arrayDescriptor.Width * aElementSizeInBytes;
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpy2D_v2(ref copyParams);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy2D", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Copy from this array to a pitched device variable
/// </summary>
/// <typeparam name="T">device variable base type</typeparam>
/// <param name="aDeviceVariable">Destination</param>
public void CopyFromThisToDevice <T>(CudaPitchedDeviceVariable <T> aDeviceVariable) where T : struct
{
CUDAMemCpy2D copyParams = new CUDAMemCpy2D();
copyParams.dstDevice = aDeviceVariable.DevicePointer;
copyParams.dstMemoryType = CUMemoryType.Device;
copyParams.dstPitch = aDeviceVariable.Pitch;
copyParams.srcArray = _cuArray;
copyParams.srcMemoryType = CUMemoryType.Array;
copyParams.Height = aDeviceVariable.Height;
copyParams.WidthInBytes = aDeviceVariable.WidthInBytes;
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpy2D_v2(ref copyParams);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy2D", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <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 device to host
/// </summary>
/// <param name="devicePtr"></param>
/// <param name="pitchDevice"></param>
public void SynchronCopyFromDevice(CUdeviceptr devicePtr, SizeT pitchDevice)
{
if (disposed)
{
throw new ObjectDisposedException(this.ToString());
}
CUDAMemCpy2D cpyProps = new CUDAMemCpy2D();
cpyProps.srcDevice = devicePtr;
cpyProps.srcMemoryType = CUMemoryType.Device;
cpyProps.srcPitch = pitchDevice;
cpyProps.dstHost = _intPtr;
cpyProps.dstMemoryType = CUMemoryType.Host;
cpyProps.dstPitch = _pitchInBytes;
cpyProps.WidthInBytes = _width * _typeSize;
cpyProps.Height = _height;
res = DriverAPINativeMethods.SynchronousMemcpy_v2.cuMemcpy2D_v2(ref cpyProps);
Debug.Write("");//Line(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuMemcpy2D_v2", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
private void Image_MouseMove(object sender, MouseEventArgs e)
{
System.Windows.Point position = GetPositionWithDpi(e);
int pX = (int)position.X;
int pY = (int)position.Y;
Point pixel = GetImagePixelFromMouseCoordinate(position);
uchar4[] p = new uchar4[1];
if (!double.IsInfinity(pixel.X) && !double.IsInfinity(pixel.Y))
{
d3dimage.Lock();
_graphicsres.MapAllResources();
CudaArray2D arr = _graphicsres[0].GetMappedArray2D(0, 0);
CUDAMemCpy2D copy = new CUDAMemCpy2D();
GCHandle handle = GCHandle.Alloc(p, GCHandleType.Pinned);
copy.dstHost = handle.AddrOfPinnedObject();
copy.srcArray = arr.CUArray;
copy.srcMemoryType = CUMemoryType.Array;
copy.dstMemoryType = CUMemoryType.Host;
copy.Height = 1;
copy.WidthInBytes = 4;
copy.srcXInBytes = (int)pixel.X * 4;
copy.srcY = (int)pixel.Y;
arr.CopyData(copy);
_graphicsres.UnmapAllResources();
arr.Dispose();
handle.Free();
d3dimage.Unlock();
}
SetValue(ColorOfPixelProperty, Color.FromArgb(p[0].w, p[0].z, p[0].y, p[0].x));
SetValue(PixelCoordinateProperty, pixel);
if (_clicked)
{
_viewShiftX += (-_lastX + pX) / _scaleFac * _projFac;
_viewShiftY += (-_lastY + pY) / _scaleFac * _projFac;
_lastX = pX;
_lastY = pY;
SlimDX.Matrix matScale = SlimDX.Matrix.Scaling(_scaleFac, _scaleFac, 1);
float shiftScale = Math.Min((float)ActualWidthDpi, (float)ActualHeightDpi);
SlimDX.Matrix matTrans = SlimDX.Matrix.Translation(_viewShiftX / shiftScale * _scaleFac, _viewShiftY / shiftScale * _scaleFac, 0);
SlimDX.Matrix mat = matScale * matTrans;
SlimDX.Matrix rotMat = new SlimDX.Matrix();
switch (_rotation)
{
case Rotation._0:
rotMat = SlimDX.Matrix.RotationZ(0);
break;
case Rotation._90:
rotMat = SlimDX.Matrix.RotationZ((float)(90.0 / 180.0 * Math.PI));
break;
case Rotation._180:
rotMat = SlimDX.Matrix.RotationZ((float)(180.0 / 180.0 * Math.PI));
break;
case Rotation._270:
rotMat = SlimDX.Matrix.RotationZ((float)(270.0 / 180.0 * Math.PI));
break;
}
_device.SetTransform(TransformState.View, rotMat * mat);
updateFrame();
}
}