opencl_utils.h

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// Copyright (c) Space-ng, inc. All rights reserved.
 
#pragma once
 
#include "sol3/core/shmem_buffer.h"
#include "sol3/opencl/opencl_compat.h"
 
#include <functional>
 
namespace sol3::opencl {
 
// These helpers are the blessed entry points for host<->device buffer
// transfers. The raw cl::CommandQueue::enqueue{Read,Write}Buffer methods
// hide their blocking-or-async behavior in a cl_bool argument and should
// not be called directly; use the explicit Now/enqueue pairs below so
// the synchronization contract is visible at the call site.
 
void addHook(cl::CommandQueue& queue, std::function<void()> fn);
 
void enqueueReadBack(
    cl::CommandQueue& queue,
    cl::Buffer& cl_buf,
    core::IBufferMutable& host_buf);
 
void enqueueWriteBuffer(
    cl::CommandQueue& queue,
    cl::Buffer& buf,
    size_t offset,
    size_t size,
    void const* ptr);
 
void writeBufferNow(
    cl::CommandQueue& queue,
    cl::Buffer& buf,
    size_t offset,
    size_t size,
    void const* ptr);
 
void enqueueReadBuffer(
    cl::CommandQueue& queue,
    cl::Buffer& buf,
    size_t offset,
    size_t size,
    void* ptr);
 
void readBufferNow(
    cl::CommandQueue& queue,
    cl::Buffer& buf,
    size_t offset,
    size_t size,
    void* ptr);
 
}  // namespace sol3::opencl