/* SPDX-FileCopyrightText: 2021-2022 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0 */

/* Constant Globals */

#pragma once

#include "kernel/types.h"

#include "kernel/integrator/state.h"
#include "kernel/util/profiler.h"

#include "util/color.h"
#include "util/types_image.h"

CCL_NAMESPACE_BEGIN

/* NOTE(@nsirgien): With SYCL we can't declare __constant__ global variable, which will be
 * accessible from device code, like it has been done for Cycles CUDA backend. So, the backend will
 * allocate this "constant" memory regions and store pointers to them in oneAPI context class */

struct IntegratorStateGPU;
struct IntegratorQueueCounter;

struct KernelGlobalsGPU {

#define KERNEL_DATA_ARRAY(type, name) const type *__##name = nullptr;
#define KERNEL_DATA_ARRAY_WRITABLE(type, name) type *__##name = nullptr;
#include "kernel/data_arrays.h"
  IntegratorStateGPU *integrator_state;
  const KernelData *__data;
  sycl::kernel_handler kernel_handler;
};

using KernelGlobals = ccl_global KernelGlobalsGPU *ccl_restrict;

#define kernel_data (*(__data))
#define kernel_integrator_state (*(integrator_state))

/* data lookup defines */

#define kernel_data_fetch(name, index) __##name[(index)]
#define kernel_data_write(name, index, value) __##name[(index)] = (value)
#define kernel_data_array(name) __##name

CCL_NAMESPACE_END
