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 CreateArray(CUArrayFormat format, uint channels, uint width, uint height)
{
CUDAArrayDescriptor desc = new CUDAArrayDescriptor {
Format = format,
Width = width,
Height = height,
NumChannels = channels
};
return(this.CreateArray(desc));
}
public void SetTextureAddress(CUtexref tex, CUDAArrayDescriptor desc, CUdeviceptr dptr, uint pitch)
{
if (_version >= 4010)
{
this.LastError = CUDADriver.cuTexRefSetAddress2D_v3(tex, desc, dptr, pitch);
}
else
{
this.LastError = CUDADriver.cuTexRefSetAddress2D(tex, desc, dptr, pitch);
}
}
public CUarray CreateArray(Array arr)
{
CUDAArrayDescriptor desc = new CUDAArrayDescriptor {
Width = (uint)arr.GetLongLength(0),
Height = 0
};
if (arr.Rank > 1)
{
desc.Height = (uint)arr.GetLongLength(1);
}
Type type = arr.GetValue(0).GetType();
desc.Format = this.GetTypeFormat(type);
desc.NumChannels = (uint)this.GetTypeComponents(type);
return(this.CreateArray(desc));
}
public static extern CUResult cuTexRefSetAddress2D_v3(CUtexref hTexRef, CUDAArrayDescriptor desc, CUdeviceptr dptr, SizeT Pitch);
public static extern CUResult cuArrayGetDescriptor(ref CUDAArrayDescriptor pArrayDescriptor, CUarray hArray);
public static extern CUResult cuArrayCreate(ref CUarray pHandle, ref CUDAArrayDescriptor pAllocateArray);