public IntPtr clCreateBuffer(IntPtr context, MemoryFlags flags, ulong size, IntPtr hostPtr, out OpenClErrorCode errorCode)
{
errorCode = clCreateBufferErrorCode ?? OpenClErrorCode.Success;
var id = clCreateBufferResult ?? IntPtr.Zero;
if (errorCode == OpenClErrorCode.Success)
{
FakeMemoryObjects[id] = new FakeMemoryObject(size, flags, hostPtr);
return(id);
}
return(IntPtr.Zero);
}
public IntPtr clCreateSubBuffer(IntPtr buffer, MemoryFlags flags, BufferCreateType bufferCreateType, IntPtr bufferCreateInfo,
out OpenClErrorCode errorCode)
{
errorCode = clCreateSubBufferErrorCode ?? OpenClErrorCode.Success;
if (errorCode == OpenClErrorCode.Success)
{
var id = clCreateSubBufferResult ?? new IntPtr(1);
var regionObject = Marshal.PtrToStructure <BufferRegion>(bufferCreateInfo);
const MemoryFlags memMask = MemoryFlags.AllocHostPointer | MemoryFlags.UseHostPointer | MemoryFlags.CopyHostPointer;
var parent = FakeMemoryObjects[buffer];
var validFlags = (parent.Flags & (memMask)) | flags;
FakeMemoryObjects[id] = new FakeMemoryObject(regionObject.Size, validFlags, parent.HostPointer);
return(id);
}
return(IntPtr.Zero);
}
