#ifndef _VKUTIL_H
#define _VKUTIL_H

/**
  * vkutil.h -- helper functions and macros for working with vulkan in C
  */

#include <stdio.h>
#include <stdarg.h>

#include <vulkan/vulkan.h>
#include <vulkan/vk_enum_string_helper.h> // for string_VkResult

#define VK_ARRAY_LEN(arr) sizeof((arr))/sizeof((arr)[0])

#define VK_CHECK(x)                                   \
do {                                                  \
  VkResult err = x;                                   \
  if (err) {                                          \
    fprintf(stderr, "%s:%d:0: vulkan error: %s   \n", \
    __FILE__, __LINE__, string_VkResult(err));      \
    abort();                                          \
  }                                                   \
} while (0)

typedef enum {
  VK_INFO = 0,
  VK_WARN,
  VK_ERROR,
} log_type;

static inline void
vk_log(log_type t, const char * f, ...)
{
#ifdef VKDEBUG
  va_list args;
  va_start(args, f);
  switch (t) {
  case VK_INFO:
    printf("INFO: ");
    vprintf(f, args);
    break;
  case VK_WARN:
    fprintf(stderr, "WARN: ");
    vfprintf(stderr, f, args);
    break;
  case VK_ERROR:
    fprintf(stderr, "ERROR: ");
    vfprintf(stderr, f, args);
    break;
  }
  va_end(args);
#else
  return;
#endif
}

#endif  /* _VKUTIL_H */