#pragma once

#include "dds/dds.h"

struct DDS_FILE {
  unsigned int dwMagic;
  DDS_HEADER header;
  DDS_HEADER_DXT10 header10;
};

namespace dds {
  DDS_FILE const * validate(void const * data, uint32_t size, uint32_t ** out_offsets, void ** out_data, uint32_t * out_size);

  static inline bool isDDSExtension(const char * filename, size_t length)
  {
    char a = filename[length - 4];
    char b = filename[length - 3];
    char c = filename[length - 2];
    char d = filename[length - 1];

    return
      (a == '.') &&
      (b == 'd' || b == 'D') &&
      (c == 'd' || c == 'D') &&
      (d == 's' || d == 'S');
  }
}