public InfoBufferArray(int length)
{
_buffers = new IntPtr[length];
for (int i = 0; i < length; i++)
{
_buffers[i] = new InfoBuffer(size).Address;
}
}
public static InfoBuffer GetMemObjectInfo(IMem mem, MemInfo paramName, out ErrorCode error)
{
if (paramName == MemInfo.HostPtr) // Handle special case
{
IntPtr size = GetInfo(Cl.GetMemObjectInfo, mem, MemInfo.Size, out error).CastTo <IntPtr>();
var buffer = new InfoBuffer(size);
error = GetMemObjectInfo(mem, paramName, size, buffer, out size);
if (error != ErrorCode.Success)
{
return(InfoBuffer.Empty);
}
return(buffer);
}
return(GetInfo(GetMemObjectInfo, mem, paramName, out error));
}
internal static InfoBuffer GetInfo <THandle1Type, THandle2Type, TEnumType>(
GetInfoDelegate <THandle1Type, THandle2Type, TEnumType> method, THandle1Type handle1, THandle2Type handle2, TEnumType name, out ErrorCode error)
{
IntPtr paramSize;
error = method(handle1, handle2, name, IntPtr.Zero, InfoBuffer.Empty, out paramSize);
// no error checking here because some implementations return InvalidValue even
// though the paramSize is correctly returned
var buffer = new InfoBuffer(paramSize);
error = method(handle1, handle2, name, paramSize, buffer, out paramSize);
if (error != ErrorCode.Success)
{
return(InfoBuffer.Empty);
}
return(buffer);
}
internal static InfoBuffer GetInfo <THandle1Type, THandle2Type, TEnumType>(
GetInfoDelegate <THandle1Type, THandle2Type, TEnumType> method, THandle1Type handle1, THandle2Type handle2, TEnumType name, out ErrorCode error)
{
IntPtr paramSize;
error = method(handle1, handle2, name, IntPtr.Zero, InfoBuffer.Empty, out paramSize);
if (error != ErrorCode.Success)
{
return(InfoBuffer.Empty);
}
var buffer = new InfoBuffer(paramSize);
error = method(handle1, handle2, name, paramSize, buffer, out paramSize);
if (error != ErrorCode.Success)
{
return(InfoBuffer.Empty);
}
return(buffer);
}