/// <summary>
/// Creates a new surface from array memory. Allocates new array.
/// </summary>
/// <param name="kernel"></param>
/// <param name="surfName"></param>
/// <param name="flags"></param>
/// <param name="format"></param>
/// <param name="width">In elements</param>
/// <param name="height">In elements</param>
/// <param name="depth">In elements</param>
/// <param name="numChannels"></param>
/// <param name="arrayFlags"></param>
public CudaSurface(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CUArrayFormat format, SizeT width, SizeT height, SizeT depth, CudaArray3DNumChannels numChannels, CUDAArray3DFlags arrayFlags)
{
_surfref = new CUsurfref();
res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref _surfref, kernel.CUModule, surfName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_flags = flags;
_format = format;
_height = height;
_width = width;
_depth = depth;
_numChannels = (int)numChannels;
_name = surfName;
_module = kernel.CUModule;
_cufunction = kernel.CUFunction;
_channelSize = CudaHelperMethods.GetChannelSize(format);
_dataSize = height * width * depth * _numChannels * _channelSize;
_array = new CudaArray3D(format, width, height, depth, numChannels, arrayFlags);
res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(_surfref, _array.CUArray, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = true;
}
/// <summary>
/// Creates a new surface from array memory.
/// </summary>
/// <param name="kernel"></param>
/// <param name="surfName"></param>
/// <param name="flags"></param>
/// <param name="array"></param>
public CudaSurface(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CudaArray3D array)
{
_surfref = new CUsurfref();
res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref _surfref, kernel.CUModule, surfName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_flags = flags;
_format = array.Array3DDescriptor.Format;
_height = array.Height;
_width = array.Width;
_depth = array.Depth;
_numChannels = (int)array.Array3DDescriptor.NumChannels;
_name = surfName;
_module = kernel.CUModule;
_cufunction = kernel.CUFunction;
_channelSize = CudaHelperMethods.GetChannelSize(array.Array3DDescriptor.Format);
_dataSize = array.Height * array.Width * array.Depth * array.Array3DDescriptor.NumChannels * _channelSize;
_array = array;
res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(_surfref, _array.CUArray, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = false;
}
/// <summary>
/// Bind a CudaArray3D to a surface reference.
/// </summary>
/// <param name="kernel"></param>
/// <param name="surfName"></param>
/// <param name="flags"></param>
/// <param name="array"></param>
public static void BindArray(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CudaArray3D array)
{
CUsurfref surfref = new CUsurfref();
CUResult res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref surfref, kernel.CUModule, surfName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(surfref, array.CUArray, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Create a new CudaArray3D and bind it to a surface reference.
/// </summary>
/// <param name="kernel"></param>
/// <param name="surfName"></param>
/// <param name="flags"></param>
/// <param name="format"></param>
/// <param name="width">In elements</param>
/// <param name="height">In elements</param>
/// <param name="depth">In elements</param>
/// <param name="numChannels"></param>
/// <param name="arrayFlags"></param>
public static CudaArray3D BindArray(CudaKernel kernel, string surfName, CUSurfRefSetFlags flags, CUArrayFormat format, SizeT width, SizeT height, SizeT depth, CudaArray3DNumChannels numChannels, CUDAArray3DFlags arrayFlags)
{
CUsurfref surfref = new CUsurfref();
CUResult res = DriverAPINativeMethods.ModuleManagement.cuModuleGetSurfRef(ref surfref, kernel.CUModule, surfName);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}, Surface name: {3}", DateTime.Now, "cuModuleGetSurfRef", res, surfName));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
CudaArray3D array = new CudaArray3D(format, width, height, depth, numChannels, arrayFlags);
res = DriverAPINativeMethods.SurfaceReferenceManagement.cuSurfRefSetArray(surfref, array.CUArray, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuSurfRefSetArray", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
return(array);
}
