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

#pragma once

#include "kernel/integrator/state.h"
#include "kernel/types.h"
#include "kernel/util/profiling.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;

typedef struct KernelGlobalsGPU {

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

typedef ccl_global KernelGlobalsGPU *ccl_restrict KernelGlobals;

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

/* data lookup defines */

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

CCL_NAMESPACE_END