compute-runtime/runtime/command_queue/enqueue_copy_buffer.h

/*
 * Copyright (C) 2017-2018 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#pragma once
#include "hw_cmds.h"
#include "runtime/command_queue/command_queue_hw.h"
#include "runtime/command_queue/enqueue_common.h"
#include "runtime/command_stream/command_stream_receiver.h"
#include "runtime/helpers/kernel_commands.h"
#include "runtime/mem_obj/buffer.h"
#include "runtime/memory_manager/surface.h"
#include "runtime/built_ins/built_ins.h"
#include <new>

namespace OCLRT {

template <typename GfxFamily>
cl_int CommandQueueHw<GfxFamily>::enqueueCopyBuffer(
    Buffer *srcBuffer,
    Buffer *dstBuffer,
    size_t srcOffset,
    size_t dstOffset,
    size_t size,
    cl_uint numEventsInWaitList,
    const cl_event *eventWaitList,
    cl_event *event) {

    MultiDispatchInfo dispatchInfo;

    auto &builder = getDevice().getExecutionEnvironment()->getBuiltIns()->getBuiltinDispatchInfoBuilder(EBuiltInOps::CopyBufferToBuffer,
                                                                                                        this->getContext(), this->getDevice());
    BuiltInOwnershipWrapper builtInLock(builder, this->context);

    BuiltinDispatchInfoBuilder::BuiltinOpParams dc;
    dc.srcMemObj = srcBuffer;
    dc.dstMemObj = dstBuffer;
    dc.srcOffset = {srcOffset, 0, 0};
    dc.dstOffset = {dstOffset, 0, 0};
    dc.size = {size, 0, 0};
    builder.buildDispatchInfos(dispatchInfo, dc);

    MemObjSurface s1(srcBuffer);
    MemObjSurface s2(dstBuffer);
    Surface *surfaces[] = {&s1, &s2};

    enqueueHandler<CL_COMMAND_COPY_BUFFER>(
        surfaces,
        false,
        dispatchInfo,
        numEventsInWaitList,
        eventWaitList,
        event);

    return CL_SUCCESS;
}
} // namespace OCLRT