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How to achieve XB1 downward compatibility?Game demonstration tells you not reliable

2025-01-28 03:37:44|Myriagame |source：minecraft skins

The biggest winner of this year's E3 2015 is undoubtedly Microsoft's Xbox. Microsoft not only pushed Sony on the exclusive lineup, killed the old man in seconds, but also demonstrated the real "black technology" HoloLens.However, in my opinion, Microsoft's biggest killer this year is Xbox One's downward compatibility with the Xbox 360 game. Sony has publicly responded that he did not accept the "challenge".Of course, this is not a simple matter. Whether it is a high -level determination, the communication between partners, or the technical level, it is a great challenge.

Everyone knows that the configuration and performance of the Xbox 360 host is far less than the new generation of Xbox One. The 360 -core 3.2hgz PowerPC (IBM) CPU is converted to the 6 low -power X86 structure (AMD (AMD (AMD (AMD (AMD (AMD (AMD (AMD (AMD), Think about it as a difficult task.Nevertheless, Microsoft's engineers have handed over their preliminary answers. Although some games are not perfect, they have to say that this virtualization scheme can be executed in almost all 360 games. It is really amazing.Achievement.

Unlike the previous rumors, Microsoft makes a package for each game to ensure that the XB1 can be compatible with 360 games. In fact, Microsoft uses a more common method to run Xbox One as a virtual machine to run and compatible with 360 games(Win system will have an official version).This virtual environment includes the function of the Xbox 360 operating system, so that the 360 software seems to be running on its native platform. Xbox One regards this "Xbox 360 Virtual Environment" as an app, so of course these compatible games also support screenshots and video sharingWait for the characteristic function of XB1.At the same time, the "backward compatibility" game will support digital version and DVD reading. Players can use the original genuine 360 game disk or digital version purchased on the Xbox Live for the game.

Of course, this project is not perfect. The development of the "downward compatibility" function continues. At present, only a few games are supported.It is also reported that only the 360 game disk in North America and the entire district can run on the Xbox One, no matter which district you were before.In addition, Microsoft is also studying the support of multi -disc dressing games.

It is worth mentioning that the image resolution output of the Xbox One is 1080P, and the screen of all games may be slightly different from the original.In addition, the contrast of the picture is also slightly improved on the Xbox One, and the sharpening effect will produce a slight edge of objects. Fortunately, this problem is not very serious. Unless you compare the two versions of the screen together, it is difficult to see it.come out.Finally, there is a question that everyone is very concerned about. At present, it seems that the game of running 360 on Xbox One does not have the option to enhance the details of the picture. Maybe there will never be. After all, this has the relationship with the game itself.But this does not mean that there are no improvements and changes on the screen. The backward game that is theoretically can avoid the shortcomings such as screen tearing on the Xbox One, because XB1 supports vertical synchronization throughout the process.

Game test comparison link, test game 1: quality effect

In the first batch of supporting downward 360 games, "Quality Effect" was listed, and Microsoft must know it.This picture created by the Unreal 3 engine was also a model in the RPG shooting game at the time. For the early CPU/GPU, the game was still very stressful to its pressure.The earliest 360 version has suffered from problems such as the tear of the screen, the loss of serious texture stickers, and insufficient frame numbers. The developers improved in subsequent sequels.

Let's talk about good aspects. The game read speed and texture loading speed on Xbox One has improved, and the scene in the game is much faster than the original.

Just like what I just said, the 360 game screens are vertical and synchronized on the Xbox One. It should be possible to avoid the problem of tearing and frame cards of the screen, but the actual situation is that when exploring and fightingThe average FPS is about 30%lower. Originally, it was not very smooth on the 360. It seemed worse after the simulation. At the lowest, it was only 10fps, which could not be played normally.The author suspected that it was vertical synchronization to reduce the performance of the game, and the earlier batch of unreal 3 games was also one of the main reasons.The next job depends on how Microsoft Engineers can adjust and develop this virtual machine, otherwise such "downward compatibility" cannot play happily.Test game 2: n ++

This is a very old and very old game on Xbox Live Arcade. According to Taoist, there should be no problem with such a level of pictures, but there are still some regrets.On the Xbox 360, the work can run 60fps perfectly. After simulation to XB1, although it does not affect the experience, the number of frames can only be maintained at about 50, and once the interface is reached, it is only 30-40.The conclusion is that games with very low screens of N ++ are not difficult to experience on Xbox One, but it is still worse than the original.

Test game 3: Perfect Dark: Zero

This old game is also a lot of problems. The screens often tear, the number of frames is low, and the resolution of 1152 × 640 plus jagidity is simply ... In fact, the 2005 game screen itself is a bit terrible.Like "Quality Effect", it is also because the Xbox One uses vertical synchronization, making it 5-10 frames lower than the 360 original.For a first -person shooting game, such a frame rate is difficult to make people play, so ...

After reading the above analysis and testing, you must have the bottom of your heart.Therefore, the solution of "backward compatibility" is not so easy to implement, especially under the premise of ensuring the game of barrier -free experience, Microsoft's engineers are currently done.(No wonder Sony is unwilling to take the move)

Fortunately, there is still a lot of time to officially go online at the end of the year. After all, this is a very competitive project. At that time, can Microsoft overcome the restrictions of hardware and platform and improve the virtual machine, so that the 360 game can run perfectly on the Xbox One perfectly.We wait and see!

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