File: fill_buffer_stateless.builtin_kernel

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/*
 * Copyright (C) 2020-2024 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

R"===(
// assumption is local work size = pattern size
__kernel void FillBufferBytesStateless(
    __global uchar* pDst,
    ulong dstOffsetInBytes,
    const __global uchar* pPattern )
{
    size_t dstIndex = get_global_id(0) + dstOffsetInBytes;
    size_t srcIndex = get_local_id(0);
    pDst[dstIndex] = pPattern[srcIndex];
}

__kernel void FillBufferLeftLeftoverStateless(
    __global uchar* pDst,
    ulong dstOffsetInBytes,
    const __global uchar* pPattern,
    const ulong patternSizeInEls )
{
    size_t gid = get_global_id(0);
    pDst[ gid + dstOffsetInBytes ] = pPattern[ gid & (patternSizeInEls - 1) ];
}

__kernel void FillBufferMiddleStateless(
    __global uchar* pDst,
    ulong dstOffsetInBytes,
    const __global uint* pPattern,
    const ulong patternSizeInEls )
{
    size_t gid = get_global_id(0);
    ((__global uint*)(pDst + dstOffsetInBytes))[gid] = pPattern[ gid & (patternSizeInEls - 1) ];
}

__kernel void FillBufferRightLeftoverStateless(
    __global uchar* pDst,
    ulong dstOffsetInBytes,
    const __global uchar* pPattern,
    const ulong patternSizeInEls )
{
    size_t gid = get_global_id(0);
    pDst[ gid + dstOffsetInBytes ] = pPattern[ gid & (patternSizeInEls - 1) ];
}

__kernel void FillBufferImmediateStateless(
    __global uchar* ptr,
    ulong dstSshOffset, // Offset needed in case ptr has been adjusted for SSH alignment
    const uint value)
{
    size_t gid = get_global_id(0);
    __global uint4* dstPtr = (__global uint4*)(ptr + dstSshOffset);
    dstPtr[gid] = value;
}

__kernel void FillBufferImmediateLeftOverStateless(
    __global uchar* ptr,
    ulong dstSshOffset, // Offset needed in case ptr has been adjusted for SSH alignment
    const uint value)
{
    size_t gid = get_global_id(0);
    (ptr + dstSshOffset)[gid] = value;
}

__kernel void FillBufferSSHOffsetStateless(
    __global uchar* ptr,
    ulong dstSshOffset, // Offset needed in case ptr has been adjusted for SSH alignment
    const __global uchar* pPattern,
    ulong patternSshOffset // Offset needed in case pPattern has been adjusted for SSH alignment
)
{
    size_t dstIndex = get_global_id(0);
    size_t srcIndex = get_local_id(0);
    __global uchar* pDst = (__global uchar*)ptr + dstSshOffset;
    __global uchar* pSrc = (__global uchar*)pPattern + patternSshOffset;
    pDst[dstIndex] = pSrc[srcIndex];
}
)==="