Google Announces Stadia: A Game Streaming Service

Tuesday, March 19th, 2019 - GPUs, Teknologi

Google Announces Stadia: A Game Streaming Service

Today at GDC, Google announced its new video game streaming service. The new service will be called Stadia. This builds on the information earlier this year that AMD was powering Project Stream (as was then called) with Radeon Pro GPUs, and Google is a primary partner using AMD’s next generation CPUs and GPUs.

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Stadia is being advertised as the central community for gamers, creators, and developers. The idea is that people can play a wide array of games regardless of the hardware at hand. Back in October, Google debuted the technology showcasing a top-end AAA gaming title running at 60 FPS. Google wants a single place where gamers and YouTube creators can get together – no current gaming platform, according to Google, does this.

Ultimately Google wants to stream straight to the Google browser. Google worked with leading publishers and developers to help build the system infrastructure. Google is one of a few companies with enough content delivery networks around the world to ensure that frame rates are kept high with super low latency.

Users will be able to watch a video about a game, and instantly hit ‘Play Now’ and start playing the game in under five seconds without any download and lag. The idea is that a single code base can be enjoyed at any stream. At launch, desktop, laptop, TV, tablets, and phones will be supported. With Stadia, the datacenter is platform. No hardware acceleration is required on the device. The experience can be transferred between devices, such as chromebook to smartphone.

One of the highlights of Google’s demonstration of Stadia was the platform working on Google-enabled TVs.

The platform allows users to have any USB connected controller, or mouse and keyboard. Google will also be releasing its own Stadia Controller, available in three colors – white, black, and light blue. The controller connects via Wi-Fi straight into the cloud, and also which device is being run (it’s unclear how this works).

The controller has two new buttons. The first allows saving and sharing the experience out to YouTube. The second is Google Assistant, using the integrated microphone in the controller. This allows game developers to integrate Google Assistant into their games. It also allows users to ask Google when they need help in a game – and the assistant will look for a guide to help.

Stadia uses the same datacenter infrastructure already in place at Google. There are 7500+ edge nodes allows for compute resources being closer to players for lower latency. Custom designed, purpose built hardware powers the experience. Interconnected racks have sufficient compute and memory for the most demanding games. The technology has been in development inside Google for years.

At launch, resolutions will be supported up to 4K 60 fps with HDR and surround sound. Future  plans for up to 8K streaming at 0 fps are planned. The platform has been built to scale to support this. While playing, the stream is duplicated in 4K for direct upload – you get rendering quality video rather than what you capture locally.

The platform is instance based, so Google can scale when needed. Game developers no longer have to worry about building to a specific hardware performance – the datacenter can scale as required.

Custom GPU with AMD, with 10 TF of power, with a custom CPU with AVX2 support. Combined they create a single instance per person. Uses Linux and Vulkan, with full Unreal and Unity support. Havok engine support as well. Tool companies are onboard.

(When Google says custom CPU and custom GPU – this could be early hardware of AMD's upcoming generations of technology, put into a custom core configuration / TDP. We're likely looking at a Zen 2 based CPU, based on AVX2 support listed, and a Radeon Instinct based GPU with tweaked settings specifically for Google.)

One of the first games supported will be Doom Eternal from id Software, which will support 4K with HDR at 60 fps. Every user will get a single GPU with no other users.

UL Benchmarks (3DMark) has been working with Google to help benchmark the systems and measure the power of the infrastructure. Developers if required can use multiple GPUs, it appears.

Multiplayer is also supported, at least between different Stadia players. Distributed physics becomes possible, which means up to 1000 players in Battle Royale titles. There’s also the advantage, according to Google, of getting around hackers and cheaters.

Developers can support multi-platform multiplayer, and transfer save files between platforms. Game developers have already been working on MP demos with destructive environments using real-time rigid Centeng physics, allowing for perfect synchronization.

Google also points out that split-screen gaming has not been a priority recently because of rendering two scenes at once. With Stadia, that problem disappears, as each player will be powered by a separate instance, reviving the idea of local co-op and squad based gaming. This also allows for multiple cameras for a single player to navigate a single map, for better tactics in certain types of games. Google says that this ability allows developers to create new types of games.

Built on Google’s platform, Stadia will also support machine learning. For developers that want to take advantage, they can incorporate Google and third-party libraries to help improve games over time and enhance the experience both on a per-user level and on a local/global scale.

The other focus on Stadia is the interaction with YouTube. Google points out that gaming has been a fundamental part of YouTube since its exception, and it is Google’s goal to help creators interact with (and monetize) their audience. The idea is that creators can directly livestream from Stadia, as well as play with creators through Stadia. ‘Crowd Play’ will allow users to play directly into the server instance with the creator – it acts like a lobby, so players will sit in line to play with their favorite creator. For example, the NBA2K above shows 'join this game (3rd in line)'.

Google states that any link from any location can act as a launch point for a title. This means that developers do not have to be limited to a single game store – games can be launched from almost anywhere, as long as the user is in an up to date Chrome browser. Google is also set to put extensive parental controls into the mix.

Google will be creating an entity called ‘Stadia Games and Entertainment’, headed up by Jade Raymond, enabling first party studios to use Stadia. Other partner studios will also work through the new division as outreach in order to enable game development on Stadia.

Developers who want to create for Stadia should go to stadia.dev to sign up for tools and resources. Stadia Partners for distributers. Stadia.com will be the hub for gamers.

Stadia will launch in 2019, in the US, Canada, UK, and most of Europe. No word on pricing yet, but Google will be announcing more in the Summer.

 

 

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