mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 10:12:39 +01:00
32 lines
902 B
C
32 lines
902 B
C
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2021 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_SIMT_BROADCAST_H
|
|
|
|
#ifdef __OPENCL_C_VERSION__
|
|
/// Broadcast originating from the local leader (index [0]). All threads in the
|
|
/// group participate.
|
|
inline void
|
|
ircd_simt_broadcast_f4lldr(__local float4 *const buf)
|
|
{
|
|
const uint
|
|
li = get_local_id(0),
|
|
ln = get_local_size(0);
|
|
|
|
for(uint stride = 1; stride < ln; stride <<= 1)
|
|
{
|
|
if(li < stride)
|
|
buf[li + stride] = buf[li];
|
|
|
|
barrier(CLK_LOCAL_MEM_FENCE);
|
|
}
|
|
}
|
|
#endif
|