Function imageConvert

3rdparty/bimg/src/image.cpp:1183–1190

	}

	bool imageConvert(TextureFormat::Enum _dstFormat, TextureFormat::Enum _srcFormat)
	{
		UnpackFn unpack = s_packUnpack[_srcFormat].unpack;
		PackFn   pack   = s_packUnpack[_dstFormat].pack;
		return NULL != pack
			&& NULL != unpack
			;
	}

	void imageConvert(void* _dst, uint32_t _bpp, PackFn _pack, const void* _src, UnpackFn _unpack, uint32_t _size)
	{