// Copyright © 2019-2023
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef __VX_SPAWN_H__
#define __VX_SPAWN_H__

#include <stdint.h>
#include <stdio.h>

#ifndef CORES_PER_CLUSTER
#define CORES_PER_CLUSTER 4
#endif

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
  uint32_t num_groups[3];
  uint32_t global_offset[3];
  uint32_t local_size[3];
  char * printf_buffer;
  uint32_t *printf_buffer_position;
  uint32_t printf_buffer_capacity;
  uint32_t work_dim;
} context_t;

typedef void (*vx_spawn_kernel_cb) (
  const void * /* arg */,
	const context_t * /* context */,
	uint32_t /* group_x */,
	uint32_t /* group_y */,
	uint32_t /* group_z */
);

typedef void (*vx_spawn_tasks_cb)(int task_id, void *arg);

typedef void (*vx_serial_cb)(void *arg);

void vx_wspawn_wait();

void vx_spawn_kernel(context_t * ctx, vx_spawn_kernel_cb callback, void * arg);

void vx_spawn_tasks(int num_tasks, vx_spawn_tasks_cb callback, void * arg);
void vx_spawn_tasks_cluster(int num_tasks, vx_spawn_tasks_cb callback, void * arg);
void vx_spawn_tasks_contiguous(int num_tasks, vx_spawn_tasks_cb callback , void * arg);

void vx_serial(vx_serial_cb callback, void * arg);

#ifdef __cplusplus
}
#endif

#endif // __VX_SPAWN_H__
