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Understanding AMD’s Mantle: A Low-Level Graphics API For GCN

More in-depth analysis of AMD's Mantle driver and speculation of it's relation to Xbox one's low level API.

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anandtech.com
DJMarty4611d ago Show
joeorc4611d ago (Edited 4611d ago )

pretty much the same as with the PS4 both will be pretty kick @ss machines.

Example with the PS4

Low-level access and the "wrapper" graphics API

In terms of rendering, there was some interesting news. Norden pointed out one of the principal weaknesses of DirectX 11 and OpenGL - they need to service a vast array of different hardware. The advantage of PlayStation 4 is that it's a fixed hardware platform, meaning that the specifics of the tech can be addressed directly. (It's worth pointing out at this point that the next-gen Xbox has hardware-specific extensions on top of the standard DX11 API.)

"We can significantly enhance performance by bypassing a lot of the artificial DirectX limitations and bottlenecks that are imposed so DirectX can work across a wide range of hardware," he revealed.

The development environment is designed to be flexible enough to get code up and running quickly, but offering the option for the more adventurous developers to get more out of the platform. To that end, PlayStation 4 has two rendering APIs.

"One of them is the absolute low-level API, you're talking directly to the hardware. It's used to draw the static RAM buffers and feed them directly to the GPU," Norden shared. "It's much, much lower level than you're used to with DirectX or OpenGL but it's not quite at the driver level. It's very similar if you've programmed PS3 or PS Vita, very similar to those graphics libraries."

But on top of that Sony is also providing what it terms a "wrapper API" that more closely resembles the standard PC rendering APIs.

Online gaming - with real names

Sony is set to include support for a player's "true name" into online gaming on PlayStation 4. Every player has dual identities - their real name and profile picture, and a second online ID with PSN avatar.

"It's kind of up to you how you want people to have access to your true name. You're going to have to explicitly enable that. Not everyone is going to see your true name by default," Norden said during his GDC talk.
True names are automatically enabled and visible to any friends you import from social networks where you have already shared this information - for example, Facebook. Real identities are also shared through a process described as

"true name search" which we assume to be akin to finding friends on Facebook. Outside of these two paths, these details are only shared when players explicitly agree to share them with one another.
Sony also confirmed that the friends list max limit on PlayStation 3 has been increased for the new console.

"The key is that it doesn't sacrifice the efficiency of the low-level API. It's actually a wrapper on top of the low-level API that does a lot of the mundane tasks that you don't want to have to do over and over."

The cool thing about the wrapper API is that while its task is to simplify development, Sony actually provides the source code for it so if there's anything that developers don't get on with, they can adapt it themselves to better suit their project.

http://www.eurogamer.net/ar...

thrust4610d ago

Mate sorry to burst your bubble but AMD has confirmed its xbox one go see on anandtech.

Nothin about the ps4!

joeorc4610d ago (Edited 4610d ago )

You do. See what I posted right? Both systems will have direct to metal development. So this saying direct to metal programming is not just exclusive to the xboxone!

Like I said both systems have this, its showing their performance per/ watt because of this functionality for development. Now with SteamOS also having this, even Pc' now will get direct to metal development. Its not exclusive to the xboxone, and if you think it will be, than I do not know what to tell you, because its 100% not exclusive to the xboxone I can tell you for a fact its not because the above is the same thing as what I just pointed out. That is saying the same thing as what they are doing with the PS4 and now will be doing with the PC. Platform with SteamOS.

BadlyPackedKeebab4611d ago

If my understanding is correct this could mean a massive performance leap for pc graphics removing that pc tax when pushing to the gpu

Pandamobile4611d ago

That's what this is designed to do. Soon, you will be able to directly compare PC GPU performance to console GPU performance now that most of the performance walls have been lifted.

A laptop with a 2 TFLOP GPU will presumably run Battlefield 4 just as well as a next-gen console.

BadlyPackedKeebab4611d ago

Yes and thats an issue for consoles. I am prepared to take the backwards step for the sake of convenience with next gen from oc but if amd go and make my 7970 way more effective that step is going to hurt.

70°

Microsoft Gaming Revenue Drops 7% Year-on-Year, Content and Services Down 5%, Xbox Hardware Down 33%

Microsoft announced its financial results for Q3 of fiscal year 2026, including an update on its gaming Xbox business and more.

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simulationdaily.com
Jin_Sakai13d ago (Edited 13d ago )

Not looking good. Hopefully Asha Sharma is able to turn Phil’s disaster around.

dveio12d ago

To me it's still quite remarkable how they can cash-in 5.3bn in revenue in a single quarter, since their hardware is basically dead.

Jingsing12d ago

The stock mark is what makes Microsoft remarkable, They have convinced every institutional and retail investor to just keep piling money into them. Like many big tech giants they are just a big growing pyramid scheme. As long as people keep dropping money into ETF's that cover the market Microsoft will always be liquid. At the same time it is completely stifling innovation and competition. People need to start being more discreet in how they invest their money as it's killing the system.

Tanktopmaster9212d ago

Once they re-evaluate exclusive all will be fine….

S2Killinit12d ago

Riiiiight because people will just flock back to them for one or two games per year.

Jingsing12d ago

15+ years of bad performance is what they call irreparable in business. It is time for them to sell off the assets and get out of entertainment.

Tanktopmaster9212d ago

These declines are on the back of extra revenue received from releasing games like Forza horizon 5 on PlayStation. So I’m being sarcastic here when I said they should go back to exclusives. Killing off a revenue stream from Ps5 sales will only make things worse

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50°

Report: Injustice 3 in Development at NetherRealm Studios

Thanks to the slip-up of an artist working on the title, we now have more evidence that a new Injustice game is in the works.

50°

Spiders Studio, Developers of GreedFall: The Dying World, Announce Liquidation of the Company

Spiders: "We're going to cut straight to the chase so you're not left wondering: After a long period without clear answers, we have received confirmation that Spiders is being liquidated.

What does it mean? This means the company as a whole no longer exists. We'll cease our functions immediately. The planned DLC will release via Nacon, and then-- well, that's it.

We're sorry that it's come to this and would like to thank each and every one of you for your support over the years.

If you have any questions or run into issues with your games, please contact Nacon directly as we'll no longer be able to reply."