public static CudaArray Allocate(int width, int height, CudaArrayFormat format, int numChannels)
{
CudaArray result = new CudaArray();
Descriptor desc = new Descriptor();
desc.Width = (UInt32)width;
desc.Height = (UInt32)height;
desc.Format = format;
desc.NumChannels = (UInt32)numChannels;
CudaUtil.Call(cuArrayCreate(out result.handle, ref desc));
return(result);
}
public static int GetByteSize(CudaArrayFormat format)
{
switch (format)
{
case CudaArrayFormat.Int8:
case CudaArrayFormat.UInt8:
return(1);
case CudaArrayFormat.Int16:
case CudaArrayFormat.UInt16:
case CudaArrayFormat.F16:
return(2);
case CudaArrayFormat.Int32:
case CudaArrayFormat.UInt32:
case CudaArrayFormat.F32:
return(4);
default:
throw new NotSupportedException("Not supported Cuda-array format");
}
}
public void SetFormat(CudaArrayFormat componentFormat, int numPackedComponents)
{
CudaUtil.Call(cuTexRefSetFormat(handle, (UInt32)componentFormat, (Int32)numPackedComponents));
}