public extern static int clEnqueueWriteBuffer(
IntPtr command_queue,
IntPtr buffer,
CL_Bool blocking_write,
IntPtr offset,
IntPtr cb,
IntPtr ptr,
uint num_events_in_wait_list,
IntPtr[] event_wait_list,
IntPtr event_wait);
public extern static IntPtr clEnqueueMapBuffer(
IntPtr command_queue,
IntPtr buffer,
CL_Bool blocking_map,
MapFlags map_flags,
IntPtr offset,
IntPtr cb,
uint num_events_in_wait_list,
IntPtr[] event_wait_list,
IntPtr event_wait,
out int errcode_ret);
void ReadBufferInternal(bool blocking, bool outputEventHandle, Memory buf, int buf_offset, object dst, int dst_offset, int size, EventHandle[] wait_list, out EventHandle eventHandle)
{
IntPtr dst_handle;
GCHandle dst_gc_handle;
if (dst is IntPtr)
{
dst_handle = (IntPtr)dst;
dst_gc_handle = new GCHandle();
}
else
{
dst_gc_handle = GCHandle.Alloc(dst, GCHandleType.Pinned);
dst_handle = dst_gc_handle.AddrOfPinnedObject();
}
try {
IntPtr dst_ptr = new IntPtr(dst_handle.ToInt64() + dst_offset);
IntPtr[] waits = EventHandle.ToIntPtrArray(wait_list);
uint num_waits = waits == null ? 0 : (uint)waits.Length;
CL_Bool is_blocking = (blocking ? CL_Bool.True : CL_Bool.False);
if (outputEventHandle)
{
IntPtr event_handle;
OpenCLException.Check(Native.clEnqueueReadBuffer(_handle, buf.Handle, is_blocking, new IntPtr(buf_offset), new IntPtr(size),
dst_ptr, num_waits, waits, out event_handle));
eventHandle = new EventHandle(event_handle);
}
else
{
OpenCLException.Check(Native.clEnqueueReadBuffer(_handle, buf.Handle, is_blocking, new IntPtr(buf_offset), new IntPtr(size),
dst_ptr, num_waits, waits, IntPtr.Zero));
eventHandle = null;
}
} finally {
if (dst_gc_handle.IsAllocated)
{
dst_gc_handle.Free();
}
}
}
public extern static IntPtr clEnqueueMapBuffer ( IntPtr command_queue, IntPtr buffer, CL_Bool blocking_map, MapFlags map_flags, IntPtr offset, IntPtr cb, uint num_events_in_wait_list, IntPtr[] event_wait_list, IntPtr event_wait, out int errcode_ret);
public extern static int clEnqueueWriteBuffer ( IntPtr command_queue, IntPtr buffer, CL_Bool blocking_write, IntPtr offset, IntPtr cb, IntPtr ptr, uint num_events_in_wait_list, IntPtr[] event_wait_list, IntPtr event_wait);
