struct EngineID {  //Если припечет, можно засунуть весь EngineID в 4-ре байта (GLuint)
  GLuint Id;
  GLuint Type;

  EngineID(GLuint EngId) {
   Id = EngId;
  }

  void operator= (GLuint EngId) {
   Id = EngId;
  }
  operator GLuint() {
   return Id;
  }
};

const int ENGINE_TYPE_TEXTURE = 1;
const int ENGINE_TYPE_BUFFER  = 2;

typedef EngineID TextureID;
typedef EngineID BufferID;

Array <TextureID> TexList;
Array <BufferID> BufList;

void engGenTextures(GLsizei n, TextureID *textures) {
  GLuint* Array = new GLuint[n];
  glGenTextures(n, Array);

  for (int i = 0; i < n; i++) {
   textures[i].Id = Array[i];
   textures[i].Type = ENGINE_TYPE_TEXTURE;

   TexList.Append(Array[i]);
  }
  delete Array;
}

void engBindTexture(GLenum Target, TextureID Texture) {
  assert(Texture.Type == ENGINE_TYPE_TEXTURE);
  assert(TexList.CheckExistence(Texture));

  glBindTexture(Target, Texture);
}