void CMyApp::TextureFromFileAttach(const char* filename, GLuint role) const
{
	SDL_Surface* loaded_img = IMG_Load(filename);

	int img_mode = 0;

	if (loaded_img == 0)
	{
		std::cout << "[TextureFromFile] Hiba a kép betöltése közben: " << filename << std::endl;
		return;
	}

#if SDL_BYTEORDER == SDL_LIL_ENDIAN
	if (loaded_img->format->BytesPerPixel == 4)
		img_mode = GL_RGBA;
	else
		img_mode = GL_RGB;
#else
	if (loaded_img->format->BytesPerPixel == 4)
		img_mode = GL_RGBA;
	else
		img_mode = GL_RGB;
#endif

	glTexImage2D(role, 0, GL_RGBA, loaded_img->w, loaded_img->h, 0, img_mode, GL_UNSIGNED_BYTE, loaded_img->pixels);

	SDL_FreeSurface(loaded_img);
}