public PrimeEngine(RayFormat rayFormat, RayHitType hitType, RTPBufferType bufferType = RTPBufferType.Host, bool useCPU = false)
{
_rayFormat = rayFormat;
_hitType = hitType;
_bufferType = bufferType;
_context = new PrimeContext(!useCPU);
}
public static unsafe PrimeBuffer Create <T>(PrimeContext ctx, PrimeBufferDesc desc, T[] data)
where T : struct
{
var dataToCopy = new Memory <T>(data);
var data2Cpy = dataToCopy.Pin();
var dataLength = Unsafe.SizeOf <T>() * data.Length;
var dataPtr = IntPtr.Zero;
if (desc.Type == RTPBufferType.CudaLinear)
{
//CudaDriverApi.CudaCall(CudaDriverApi.cuMemAlloc(ref dataPtr, (uint) dataLength));
CudaRunTimeApi.CudaCall(CudaRunTimeApi.cudaMalloc(ref dataPtr, (uint)dataLength));
CudaRunTimeApi.CudaCall(CudaRunTimeApi.cudaMemcpy(dataPtr.ToPointer(), new IntPtr(data2Cpy.Pointer), (uint)dataLength, CudaMemCpyKind.cudaMemcpyHostToDevice));
// CudaDriverApi.CudaCall(CudaDriverApi.cuMemcpyHtoD(ref dataPtr, data2Cpy.Pointer, (uint) dataLength));
}
else
{
dataPtr = Marshal.AllocHGlobal(dataLength);
GC.AddMemoryPressure(dataLength);
var span = new Span <T>(data);
MemoryHelper.CopyFromManaged(ref span, dataPtr, (uint)data.Length);
// Unsafe.Copy(dataPtr.ToPointer(), ref data);
}
data2Cpy.Dispose();
var buffer = new PrimeBuffer(ctx, desc, dataPtr)
{
size = dataLength
};
return(buffer);
}
public static PrimeBuffer Create <T>(PrimeContext ctx, PrimeBufferDesc desc, T[] data)
{
var h = GCHandle.Alloc(data, GCHandleType.Pinned);
var span = new Span <T>(data);
//MemoryHelper.CopyFromManaged(ref span, );
throw new NotImplementedException();
}
public PrimeModel(PrimeContext context) : base(context)
{
CheckError(PrimeApi.rtpModelCreate(context.InternalPtr, out InternalPtr));
}
public PrimeBuffer(PrimeContext context, PrimeBufferDesc fmt, IntPtr data) : base(context)
{
_dataPointer = data;
CheckError(PrimeApi.rtpBufferDescCreate(context.InternalPtr, (RTPbufferformat)fmt.Format, (RTPbuffertype)fmt.Type, data, out InternalPtr));
}
protected OptixPrimeNode(PrimeContext context)
{
this.mContext = context;
}
public PrimeQuery(PrimeContext context, PrimeModel model, QueryType queryType) : base(context)
{
_queryType = queryType;
CheckError(PrimeApi.rtpQueryCreate(model.InternalPtr, (RTPquerytype)queryType, out InternalPtr));
}