Nvidia Optimus is a computer GPU switching technology created by Nvidia which, depending on the resource load generated by client software applications, will seamlessly switch between two graphics adapters within a computer system in order to provide either maximum performance or minimum power draw from the system's graphics rendering hardware.
156-428: A typical platform includes both a lower-performance integrated graphics processor , usually by Intel or AMD , and a high-performance one, usually by Nvidia or AMD. Optimus saves battery life by automatically switching the power of the discrete graphics processing unit (GPU) off when it is not needed and switching it on when needed again. The technology mainly targets mobile PCs such as notebooks . When an application
312-399: A graphical interface - bumblebee-ui - aims to allow more convenient starting of programs for improved graphical performance when necessary. Steam for Linux can be set up to run games using the discrete GPU ( Steam Community: Optimus and Steam for Linux ). The Bumblebee Project continues to evolve as more necessary software changes are made to the graphics architecture of Linux. To make
468-631: A gray market around some games, where a user in a country where the price of a game was substantially lower than elsewhere could stockpile giftable copies to sell to others in regions with much higher prices. In August 2016, Valve changed its gifting policy to require that games with VAC and Game Ban-enabled games be gifted immediately to another Steam user, which also served to combat players that worked around VAC and Game Bans; in May 2017, Valve expanded this policy to all games. The changes also placed limitations on gifts between users of different countries if there
624-491: A personal computer graphics display processor as a single large-scale integration (LSI) integrated circuit chip. This enabled the design of low-cost, high-performance video graphics cards such as those from Number Nine Visual Technology . It became the best-known GPU until the mid-1980s. It was the first fully integrated VLSI (very large-scale integration) metal–oxide–semiconductor ( NMOS ) graphics display processor for PCs, supported up to 1024×1024 resolution , and laid
780-562: A vector processor ), running compute kernels . This turns the massive computational power of a modern graphics accelerator's shader pipeline into general-purpose computing power. In certain applications requiring massive vector operations, this can yield several orders of magnitude higher performance than a conventional CPU. The two largest discrete (see " Dedicated graphics processing unit " above) GPU designers, AMD and Nvidia , are pursuing this approach with an array of applications. Both Nvidia and AMD teamed with Stanford University to create
936-570: A GPU-based client for the Folding@home distributed computing project for protein folding calculations. In certain circumstances, the GPU calculates forty times faster than the CPUs traditionally used by such applications. GPGPUs can be used for many types of embarrassingly parallel tasks including ray tracing . They are generally suited to high-throughput computations that exhibit data-parallelism to exploit
1092-417: A PC dedicated to gaming, gaming from a second Windows installation, or using a computer account with limited rights dedicated to gaming. In July 2015, a bug in the software allowed anyone to reset the password to any account by using the "forgot password" function of the client. High-profile professional gamers and streamers lost access to their accounts. In December 2015, Steam's content delivery network
1248-486: A Steam Workshop-type interface but blocks access from students. In-Home Streaming was introduced in May 2014; it allows users to stream games installed on one computer to another on the same home network with low latency. By June 2019, Valve renamed this feature to Remote Play, allowing users to stream games across devices that may be outside of their home network. Steam's "Remote Play Together", added in November 2019 after
1404-507: A Vérité V2200 core to create a graphics card with a full T&L engine years before Nvidia's GeForce 256 ; This card, designed to reduce the load placed upon the system's CPU, never made it to market. NVIDIA RIVA 128 was one of the first consumer-facing GPU integrated 3D processing unit and 2D processing unit on a chip. OpenGL was introduced in the early '90s by SGI as a professional graphics API, with proprietary hardware support for 3D rasterization. In 1994 Microsoft acquired Softimage ,
1560-634: A background recording. Users can then edit and clip footage to share via Steam with other users. In September 2014, Steam Music was added to the Steam client, allowing users to play through music stored on their computer or to stream from a locally networked computer directly in Steam. An update to the friends and chat system was released in July 2018, allowing for non-peer-to-peer chats integrated with voice chat and other features that were compared to Discord . A standalone mobile app based on this for Android and iOS
1716-478: A claimed breach of this contract. Sierra counter-sued, asserting that Valve had been working to undermine the contract by offering a digital storefront for their games, directly competing with Sierra. Steam was released out of beta on September 12, 2003. In November 2004, Half-Life 2 was the first high-profile game to be offered digitally on Steam, requiring installation of the Steam client for retail copies. During this time users faced problems attempting to play
SECTION 10
#17328989865551872-533: A commercial vulnerability research firm, published a paper in October 2012 that said the Steam browser protocol was posing a security risk by enabling malicious exploits through a simple user click on a maliciously crafted steam:// URL in a browser. This was the second serious vulnerability of gaming-related software following a problem with Ubisoft's Uplay . German IT platform Heise online recommended strict separation of gaming and sensitive data, for example using
2028-462: A concern—except to invoke the pixel shader). Nvidia's CUDA platform, first introduced in 2007, was the earliest widely adopted programming model for GPU computing. OpenCL is an open standard defined by the Khronos Group that allows for the development of code for both GPUs and CPUs with an emphasis on portability. OpenCL solutions are supported by Intel, AMD, Nvidia, and ARM, and according to
2184-578: A daily and weekly basis, sometimes oriented around a publisher, genre, or holiday theme, and sometimes allows games to be tried for free during the days of these sales. The site normally offers a large selection of games at a discount during its annual Summer and Holiday sales, including gamification of these sales. Users of Steam's storefront can also purchase games and other software as gifts for another Steam user. Before May 2017, users could purchase these gifts to be held in their profile's inventory until they opted to gift them. However, this feature enabled
2340-554: A development machine for Capcom 's CP System arcade board. Fujitsu's FM Towns computer, released in 1989, had support for a 16,777,216 color palette. In 1988, the first dedicated polygonal 3D graphics boards were introduced in arcades with the Namco System 21 and Taito Air System. IBM introduced its proprietary Video Graphics Array (VGA) display standard in 1987, with a maximum resolution of 640×480 pixels. In November 1988, NEC Home Electronics announced its creation of
2496-556: A feature introduced in beta in December 2012 that would allow users to sell virtual items to others via Steam Wallet funds, further extended the idea. Valve levies a transaction fee of 15% on such sales and game publishers that use Steam Market pay a transaction fee. For example, Team Fortress 2 —the first game supported at the beta phase—incurred both fees. Full support for other games was expected to be available in early 2013. In April 2013, Valve added subscription-based game support to Steam;
2652-632: A flat 30% from all direct Steam sales and microtransaction . In October 2018, Valve updated their policies that cut theirs to 25% once revenue for a game surpasses US$ 10 million , and further to 20% at US$ 50 million . The policy change was seen by journalists as trying to entice larger developers to stay with Steam, while the decision was also met with backlash from indie and other small game developers, as their revenue split remained unchanged. While Steam allows developers to offer demo versions of their games at any time, Valve worked with Geoff Keighley in 2019 in conjunction with The Game Awards to hold
2808-579: A game is running rather than waiting until the user quit; this was added ahead of the portable Steam Deck unit so that users can save from the Deck and then put the unit into a suspended state. In May 2012, the service added the ability for users to manage their game libraries from remote clients, including computers and mobile devices. Product keys sold through third-party retailers can also be redeemed on Steam. For games that incorporate Steamworks, users can buy redemption codes from other vendors and redeem these in
2964-432: A game. A new notes feature allowed users to create personal notes that are stored in the cloud that they could use for various tracking of progress or reminders while in game. Valve provides developers the ability to create storefront pages to help generate interest in their game ahead of release. This is also necessary to fix a release date that functions into Valve's "build review", a free service performed by Valve about
3120-642: A highly customizable function block and did not really "run" a program. Many of these disparities between vertex and pixel shading were not addressed until the Unified Shader Model . In October 2002, with the introduction of the ATI Radeon 9700 (also known as R300), the world's first Direct3D 9.0 accelerator, pixel and vertex shaders could implement looping and lengthy floating point math, and were quickly becoming as flexible as CPUs, yet orders of magnitude faster for image-array operations. Pixel shading
3276-503: A major update to Steam Broadcasting, adding Steam Chat and Steamworks integration for spectating matches played at the event. It has also been used for other events, such as a pre-release tournament for the digital card game Artifact and for The Game Awards 2018 and Steam Awards award shows. Game Recording was added in beta in June 2024 and released in full by November 2024, allowing for recording of gameplay sessions both on demand or as
SECTION 20
#17328989865553432-534: A means of communicating when special in-game events are approaching through Steam Events, which appear to players on the revamped Library and game profile pages. Another major overhaul of the UI was released in June 2023. Besides unifying backend functions for the main Steam client, Steam Deck client, and Big Picture mode, the new UI featured an improved screen overlay that users could pin various dialogs such as friend chat and game guides that would remain visible while playing
3588-513: A month of beta testing, gives the ability for local multiplayer games to be played by people in disparate locations, though will not necessary resolve latency problems typical of these types of games. Remote Play Together was expanded in February 2021 to give the ability to invite non-Steam players to play through a Steam Link app approach. The Steam client, as part of a social network service , allows users to identify friends and join groups using
3744-466: A number of brand names. In 2009, Intel , Nvidia , and AMD / ATI were the market share leaders, with 49.4%, 27.8%, and 20.6% market share respectively. In addition, Matrox produces GPUs. Modern smartphones use mostly Adreno GPUs from Qualcomm , PowerVR GPUs from Imagination Technologies , and Mali GPUs from ARM . Modern GPUs have traditionally used most of their transistors to do calculations related to 3D computer graphics . In addition to
3900-503: A one-time verification code sent to a verified email address associated with the Steam account; this was later expanded to include two-factor authentication through the Steam mobile application, known as Steam Guard Mobile Authenticator. In 2015, Valve stated that the potential monetary value of virtual goods attached to user accounts had drawn hackers to try to access accounts for financial benefit. Valve reported that in December 2015, around 77,000 accounts per month were hijacked, enabling
4056-468: A physical release, or given to a user as part of promotions, often used to deliver Kickstarter and other crowdfunding rewards. A grey market exists around Steam keys, where less reputable buyers purchase a large number of Steam keys for a game when it is offered for a low cost, and then resell these keys to users or other third-party sites at a higher price. This caused some of these third-party sites, such as G2A , to be embroiled in this grey market. It
4212-532: A reboot. While historically problematic, the binary Nvidia driver since beta version 435.17 officially supports Optimus render offloading for OpenGL and Vulkan applications under the name "PRIME". The binary Nvidia driver added partial Optimus support May 3, 2013 in the 319.17. As of May 2013, power management for discrete card is not supported, which means it cannot save battery by turning off Nvidia graphic card completely. The open-source project Bumblebee tries to provide support for graphics-chip switching. As in
4368-610: A report in 2011 by Evans Data, OpenCL had become the second most popular HPC tool. In 2010, Nvidia partnered with Audi to power their cars' dashboards, using the Tegra GPU to provide increased functionality to cars' navigation and entertainment systems. Advances in GPU technology in cars helped advance self-driving technology . AMD's Radeon HD 6000 series cards were released in 2010, and in 2011 AMD released its 6000M Series discrete GPUs for mobile devices. The Kepler line of graphics cards by Nvidia were released in 2012 and were used in
4524-411: A single physical pool of RAM, allowing more efficient transfer of data. Hybrid GPUs compete with integrated graphics in the low-end desktop and notebook markets. The most common implementations of this are ATI's HyperMemory and Nvidia's TurboCache . Hybrid graphics cards are somewhat more expensive than integrated graphics, but much less expensive than dedicated graphics cards. They share memory with
4680-522: A specific use, real-time 3D graphics, or other mass calculations: Dedicated graphics processing units uses RAM that is dedicated to the GPU rather than relying on the computer’s main system memory. This RAM is usually specially selected for the expected serial workload of the graphics card (see GDDR ). Sometimes systems with dedicated discrete GPUs were called "DIS" systems as opposed to "UMA" systems (see next section). Dedicated GPUs are not necessarily removable, nor does it necessarily interface with
4836-473: A timed-exclusive to the Epic Games Store . During mid-2011, Valve began to offer free-to-play games, such as Global Agenda , Spiral Knights and Champions Online ; this offer was linked to the company's move to make Team Fortress 2 a free-to-play title. Valve included support via Steamworks for microtransactions for in-game items through Steam's purchasing channels, in a similar manner to
Nvidia Optimus - Misplaced Pages Continue
4992-466: A trading card glitch let players generate Steam Wallet funds from free Steam trading cards with bots using Capcom Arcade Stadium and other games, resulting in the game becoming one of the statistically most played titles. Since November 2013, Steam has allowed for users to review their purchased games and organize them into categories set by the user and add to favorite lists for quick access. Players can add non-Steam games to their libraries, allowing
5148-595: A variety of imitators: by 1995, all major PC graphics chip makers had added 2D acceleration support to their chips. Fixed-function Windows accelerators surpassed expensive general-purpose graphics coprocessors in Windows performance, and such coprocessors faded from the PC market. Throughout the 1990s, 2D GUI acceleration evolved. As manufacturing capabilities improved, so did the level of integration of graphics chips. Additional application programming interfaces (APIs) arrived for
5304-533: A variety of tasks, such as Microsoft's WinG graphics library for Windows 3.x , and their later DirectDraw interface for hardware acceleration of 2D games in Windows 95 and later. In the early- and mid-1990s, real-time 3D graphics became increasingly common in arcade, computer, and console games, which led to increasing public demand for hardware-accelerated 3D graphics. Early examples of mass-market 3D graphics hardware can be found in arcade system boards such as
5460-412: A virtual collectable marketplace. Steamworks, an application programming interface (API) released in 2008, is used by developers to integrate Steam's functions, including digital rights management (DRM), into their game products. Many game publishers began distributing their products on Steam that year. Initially developed for Windows , Steam was ported to macOS , Linux , Android , and iOS in
5616-748: A week before this release date to make sure the game's launch is trouble-free. Updates in 2020 to Discovery queues have given developers more options for customizing their storefront page and how these pages integrate with users' experiences with the Steam client. Valve offers Steamworks, an application programming interface (API) that provides development and publishing tools free of charge to game and software developers. Steamworks provides networking and player authentication tools for both server and peer-to-peer multiplayer games, matchmaking services, support for Steam community friends and groups, Steam statistics and achievements, integrated voice communications, and Steam Cloud support, allowing games to integrate with
5772-623: A week-long Steam Game Festival to feature a large selection of game demos of current and upcoming games, alongside sales for games already released. This event has since been repeated two or three times a year, typically in conjunction with game expositions or award events, and since has been renamed as the Steam Next Fest. Valve expanded support for demo versions of games in July 2024, allowing demos to have their own store page with user reviews and made it easier for user to manage demos within their game library. A Steam Points system and storefront
5928-644: Is a large difference in pricing. Due to runaway inflation in Argentina and Turkey, Valve eliminated the use of local currency pricing for users in those storefronts in November 2023, instead moving them to a special regional pricing model based on U.S. dollars as a means to provide fair payments to publisher and developers, though these local users saw effective price hikes as high as 2900%. The Steam store also enables users to redeem store product keys to add software from their library. The keys are sold by third-party providers such as Humble Bundle , distributed as part of
6084-480: Is a specialized electronic circuit initially designed for digital image processing and to accelerate computer graphics , being present either as a discrete video card or embedded on motherboards , mobile phones , personal computers , workstations , and game consoles . After their initial design, GPUs were found to be useful for non-graphic calculations involving embarrassingly parallel problems due to their parallel structure . Other non-graphical uses include
6240-447: Is an alternative open source implementation of Optimus support for Linux. When a user launches an application, the graphics driver tries to determine whether the application would benefit from the discrete GPU. If so, the GPU is powered up from an idle state and is passed all rendering calls. Even in this case, though, the integrated graphics processor (IGP) is used to output the final image. When less demanding applications are used,
6396-504: Is being launched that is determined to benefit from the performance of the discrete GPU, the discrete GPU is powered up and the application is served by a rendering context via that GPU. Otherwise the application is served by a rendering context that uses the integrated GPU. Switching between the graphics processors is designed to be completely seamless and to happen "behind the scenes". Official supported operating systems by Nvidia are Microsoft Windows and Linux . A project called Bumblebee
Nvidia Optimus - Misplaced Pages Continue
6552-712: Is commonly referred to as "GPU accelerated video decoding", "GPU assisted video decoding", "GPU hardware accelerated video decoding", or "GPU hardware assisted video decoding". Recent graphics cards decode high-definition video on the card, offloading the central processing unit. The most common APIs for GPU accelerated video decoding are DxVA for Microsoft Windows operating systems and VDPAU , VAAPI , XvMC , and XvBA for Linux-based and UNIX-like operating systems. All except XvMC are capable of decoding videos encoded with MPEG-1 , MPEG-2 , MPEG-4 ASP (MPEG-4 Part 2) , MPEG-4 AVC (H.264 / DivX 6), VC-1 , WMV3 / WMV9 , Xvid / OpenDivX (DivX 4), and DivX 5 codecs , while XvMC
6708-722: Is delivered from an international network of servers using a proprietary file transfer protocol . As of 2015, Steam sells its products in US and Canadian dollars, euros, pounds sterling , Brazilian reais , Russian rubles , Indonesian rupiah and Indian rupees depending on the user's location. In December 2010, the client began supporting the WebMoney payment system. From April 2016 until December 2017, Steam accepted payments in Bitcoin before dropping support for it due to high fluctuation in value and costly service fees. The Steam storefront validates
6864-729: Is not available. Technologies such as Scan-Line Interleave by 3dfx, SLI and NVLink by Nvidia and CrossFire by AMD allow multiple GPUs to draw images simultaneously for a single screen, increasing the processing power available for graphics. These technologies, however, are increasingly uncommon; most games do not fully use multiple GPUs, as most users cannot afford them. Multiple GPUs are still used on supercomputers (like in Summit ), on workstations to accelerate video (processing multiple videos at once) and 3D rendering, for VFX , GPGPU workloads and for simulations, and in AI to expedite training, as
7020-493: Is not aware of other applications concurrently using the GPU. By recognizing designated classes, the Optimus Routing Layer can help determine when the GPU can be utilized to improve rendering performance. Specifically, it sends a signal to power-on the GPU when it finds any of the following three call types: Predefined profiles also assist in determining whether extra graphics power is needed. These can be managed using
7176-457: Is not usually activated by default. Unlike Bumblebee, this offloading solution allows multi-monitor graphics. The disadvantage is that toggling the Nvidia card requires a logout. The leading implementation of this approach is Ubuntu's 'prime-select' package, which has a command line and graphical tool to turn the Nvidia card off. Unlike Windows, this is not done dynamically, and the user must restart
7332-747: Is often used for bump mapping , which adds texture to make an object look shiny, dull, rough, or even round or extruded. With the introduction of the Nvidia GeForce 8 series and new generic stream processing units, GPUs became more generalized computing devices. Parallel GPUs are making computational inroads against the CPU, and a subfield of research, dubbed GPU computing or GPGPU for general purpose computing on GPU , has found applications in fields as diverse as machine learning , oil exploration , scientific image processing , linear algebra , statistics , 3D reconstruction , and stock options pricing. GPGPU
7488-518: Is only capable of decoding MPEG-1 and MPEG-2. There are several dedicated hardware video decoding and encoding solutions . Video decoding processes that can be accelerated by modern GPU hardware are: These operations also have applications in video editing, encoding, and transcoding. An earlier GPU may support one or more 2D graphics API for 2D acceleration, such as GDI and DirectDraw . A GPU can support one or more 3D graphics API, such as DirectX , Metal , OpenGL , OpenGL ES , Vulkan . In
7644-665: Is possible for publishers to have Valve track down where specific keys have been used and cancel them, removing the product from the user's libraries. Other legitimate storefronts, like Humble Bundle, have set a minimum price that must be spent to obtain Steam keys as to discourage mass purchases. In June 2021, Valve began limiting how frequently Steam users could change their default region to prevent them from purchasing games from outside their home region for cheaper. In 2013, Steam began to accept player reviews of games. Other users can subsequently rate these reviews as helpful, humorous, or otherwise unhelpful, which are then used to highlight
7800-753: Is restricted until a one-time payment of at least US$ 5 is made to Valve. This requirement can be fulfilled by making any purchase of five dollars or more on Steam, or by adding at the same amount to their wallet. Through Steamworks, Steam provides a means of server browsing for multiplayer games that use the Steam Community features, allowing users to create lobbies with friends or members of common groups. Steamworks also provides Valve Anti-Cheat (VAC), Valve's anti-cheat system; game servers automatically detect and report users who are using cheats in online, multiplayer games. In August 2012, Valve added new features—including dedicated hub pages for games that highlight
7956-668: Is the Super FX chip, a RISC -based on-cartridge graphics chip used in some SNES games, notably Doom and Star Fox . Some systems used DSPs to accelerate transformations. Fujitsu , which worked on the Sega Model 2 arcade system, began working on integrating T&L into a single LSI solution for use in home computers in 1995; the Fujitsu Pinolite, the first 3D geometry processor for personal computers, released in 1997. The first hardware T&L GPU on home video game consoles
SECTION 50
#17328989865558112-457: Is the case with Nvidia's lineup of DGX workstations and servers, Tesla GPUs, and Intel's Ponte Vecchio GPUs. Integrated graphics processing units (IGPU), integrated graphics , shared graphics solutions , integrated graphics processors (IGP), or unified memory architectures (UMA) use a portion of a computer's system RAM rather than dedicated graphics memory. IGPs can be integrated onto a motherboard as part of its northbridge chipset, or on
8268-639: Is to allow its users to purchase games and other software , adding them to a virtual library from which they may be downloaded and installed an unlimited number of times. Initially, Valve was required to be the publisher for these games since they had sole access to Steam's database and engine, but with the introduction of the Steamworks software development kit (SDK) in May 2008, anyone could integrate Steam into their game without Valve's direct involvement. Valve intended to "make DRM obsolete" as games released on Steam had traditional anti-piracy measures, including
8424-751: The Mad Max films alongside the September 2015 release of the game based on the series , Lionsgate entered into agreement with Valve to rent over one hundred feature films from its catalog through Steam starting in April 2016, with more films following later. In March 2017, Crunchyroll started offering various anime for purchase or rent through Steam. However, by February 2019, Valve shuttered video from its storefront save for videos directly related to gaming content. While available, users could also purchase Steam Machine related hardware. Valve received revenue share of
8580-722: The ATI Catalyst GPU driver as well as offering a free Steam copy of Half-Life 2: Lost Coast and Half-Life 2: Deathmatch to ATI Radeon owners. In January 2008, Nvidia promoted Steam in the GeForce GPU driver, as well as offering a free Steam copy of Portal: The First Slice to Nvidia hardware owners. In 2011, some of Electronic Arts games, such as Crysis 2 , Dragon Age II , and Alice: Madness Returns , were removed from sale because of terms of service that prevented games from having their own in-game storefront for downloadable content. These games were later launched on
8736-600: The GeForce 256 as "the world's first GPU". It was presented as a "single-chip processor with integrated transform, lighting, triangle setup/clipping , and rendering engines". Rival ATI Technologies coined the term " visual processing unit " or VPU with the release of the Radeon 9700 in 2002. The AMD Alveo MA35D features dual VPU’s, each using the 5 nm process in 2023. In personal computers, there are two main forms of GPUs. Each has many synonyms: Most GPUs are designed for
8892-511: The Intel Core line and with contemporary Pentiums and Celerons. This resulted in a large nominal market share, as the majority of computers with an Intel CPU also featured this embedded graphics processor. These generally lagged behind discrete processors in performance. Intel re-entered the discrete GPU market in 2022 with its Arc series, which competed with the then-current GeForce 30 series and Radeon 6000 series cards at competitive prices. In
9048-744: The Nintendo Switch Pro Controller in 2018, the Xbox Wireless Controller for the Xbox Series X and Series S consoles, and the PlayStation 5 's DualSense , as well as compatible controllers from third-party manufacturers in 2020. In November 2020, Valve said the controller usage had more than doubled over the past 2 years. In March 2019, Steam's game server network was opened to third-party developers. Developers of software available on Steam can track sales of their games through
9204-542: The Origin service. In 2019, Ubisoft announced that they would stop selling their future games on Steam starting with Tom Clancy's The Division 2 because Valve would not modify its revenue sharing model. In May 2019, Microsoft distributed its games on Steam in addition to the Microsoft Store . In 2020, Electronic Arts started to publish select games on Steam and offered its rebranded subscription service EA Play on
9360-460: The PowerVR and the 3dfx Voodoo . However, as manufacturing technology continued to progress, video, 2D GUI acceleration, and 3D functionality were all integrated into one chip. Rendition 's Verite chipsets were among the first to do this well. In 1997, Rendition collaborated with Hercules and Fujitsu on a "Thriller Conspiracy" project which combined a Fujitsu FXG-1 Pinolite geometry processor with
9516-512: The Sega Model 1 , Namco System 22 , and Sega Model 2 , and the fifth-generation video game consoles such as the Saturn , PlayStation , and Nintendo 64 . Arcade systems such as the Sega Model 2 and SGI Onyx -based Namco Magic Edge Hornet Simulator in 1993 were capable of hardware T&L ( transform, clipping, and lighting ) years before appearing in consumer graphics cards. Another early example
SECTION 60
#17328989865559672-593: The Video Electronics Standards Association (VESA) to develop and promote a Super VGA (SVGA) computer display standard as a successor to VGA. Super VGA enabled graphics display resolutions up to 800×600 pixels , a 36% increase. In 1991, S3 Graphics introduced the S3 86C911 , which its designers named after the Porsche 911 as an indication of the performance increase it promised. The 86C911 spawned
9828-412: The motherboard by means of an expansion slot such as PCI Express (PCIe) or Accelerated Graphics Port (AGP). They can usually be replaced or upgraded with relative ease, assuming the motherboard is capable of supporting the upgrade. A few graphics cards still use Peripheral Component Interconnect (PCI) slots, but their bandwidth is so limited that they are generally used only when a PCIe or AGP slot
9984-461: The rotation and translation of vertices into different coordinate systems . Recent developments in GPUs include support for programmable shaders which can manipulate vertices and textures with many of the same operations that are supported by CPUs , oversampling and interpolation techniques to reduce aliasing , and very high-precision color spaces . Several factors of GPU construction affect
10140-424: The 1970s, the term "GPU" originally stood for graphics processor unit and described a programmable processing unit working independently from the CPU that was responsible for graphics manipulation and output. In 1994, Sony used the term (now standing for graphics processing unit ) in reference to the PlayStation console's Toshiba -designed Sony GPU . The term was popularized by Nvidia in 1999, who marketed
10296-598: The 2020s, GPUs have been increasingly used for calculations involving embarrassingly parallel problems, such as training of neural networks on enormous datasets that are needed for large language models . Specialized processing cores on some modern workstation's GPUs are dedicated for deep learning since they have significant FLOPS performance increases, using 4×4 matrix multiplication and division, resulting in hardware performance up to 128 TFLOPS in some applications. These tensor cores are expected to appear in consumer cards, as well. Many companies have produced GPUs under
10452-423: The 25 million active Steam accounts had signed up to Steam Community. In conjunction with the 2012 Steam Summer Sale, user profiles were updated with Badges reflecting the user's participation in the Steam community and past events. Steam Trading Cards , a system where players earn virtual trading cards based on games they own, were introduced in May 2013. Using them, players can trade with other Steam users on
10608-422: The 3D hardware, today's GPUs include basic 2D acceleration and framebuffer capabilities (usually with a VGA compatibility mode). Newer cards such as AMD/ATI HD5000–HD7000 lack dedicated 2D acceleration; it is emulated by 3D hardware. GPUs were initially used to accelerate the memory-intensive work of texture mapping and rendering polygons. Later, units were added to accelerate geometric calculations such as
10764-698: The CPU for relatively slow system RAM, as it has minimal or no dedicated video memory. IGPs use system memory with bandwidth up to a current maximum of 128 GB/s, whereas a discrete graphics card may have a bandwidth of more than 1000 GB/s between its VRAM and GPU core. This memory bus bandwidth can limit the performance of the GPU, though multi-channel memory can mitigate this deficiency. Older integrated graphics chipsets lacked hardware transform and lighting , but newer ones include it. On systems with "Unified Memory Architecture" (UMA), including modern AMD processors with integrated graphics, modern Intel processors with integrated graphics, Apple processors,
10920-819: The IGP takes sole control, allowing for longer battery life and less fan noise. Under Windows the Nvidia driver also provides the option to manually select the GPU in the right-click menu upon launching an executable. Within the hardware interface layer of the Nvidia GPU driver, the Optimus Routing Layer provides intelligent graphics management. The Optimus Routing Layer also includes a kernel -level library for recognizing and managing specific classes and objects associated with different graphics devices. This Nvidia innovation performs state and context management, allocating architectural resources as needed for each driver client (i.e., application). In this context-management scheme, each application
11076-517: The IGP. Using the IGP to output data from the discrete GPU may become a bottleneck at high framerates. On desktop-replacement or gaming laptops (where performance is prioritized over energy efficiency), Optimus technology has been heavily criticized. Some vendors have provided hardware multiplexer solutions to completely shut off the Optimus architecture. The operation may be hosted in the BIOS, and often require
11232-481: The Nvidia card does all rendering. For example on a notebook with an integrated Intel graphics device, which is physically connected to the notebook's display, the Nvidia card renders to the display memory of the integrated device. To avoid tearing, the Xorg server has a mechanism called Prime Synchronization to time these buffer updates, similar to vsync; the Nvidia driver must be loaded as a kernel module for this to work. This
11388-490: The Nvidia control panel. Optimus avoids usage of a hardware multiplexer and prevents glitches associated with changing the display driver from IGP to GPU by transferring the display surface from the GPU frame buffer over the PCI Express bus to the main memory-based framebuffer used by the IGP. The Optimus Copy Engine is a new alternative to traditional DMA transfers between the GPU framebuffer memory and main memory used by
11544-434: The Nvidia's 600 and 700 series cards. A feature in this GPU microarchitecture included GPU boost, a technology that adjusts the clock-speed of a video card to increase or decrease it according to its power draw. The Kepler microarchitecture was manufactured on the 28 nm process . The PS4 and Xbox One were released in 2013; they both use GPUs based on AMD's Radeon HD 7850 and 7790 . Nvidia's Kepler line of GPUs
11700-563: The PC world, notable failed attempts for low-cost 3D graphics chips included the S3 ViRGE , ATI Rage , and Matrox Mystique . These chips were essentially previous-generation 2D accelerators with 3D features bolted on. Many were pin-compatible with the earlier-generation chips for ease of implementation and minimal cost. Initially, 3D graphics were possible only with discrete boards dedicated to accelerating 3D functions (and lacking 2D graphical user interface (GUI) acceleration entirely) such as
11856-567: The PS5 and Xbox Series (among others), the CPU cores and the GPU block share the same pool of RAM and memory address space. This allows the system to dynamically allocate memory between the CPU cores and the GPU block based on memory needs (without needing a large static split of the RAM) and thanks to zero copy transfers, removes the need for either copying data over a bus (computing) between physically separate RAM pools or copying between separate address spaces on
12012-545: The R9 290X or better at the time of their release. Cards based on the Pascal microarchitecture were released in 2016. The GeForce 10 series of cards are of this generation of graphics cards. They are made using the 16 nm manufacturing process which improves upon previous microarchitectures. Nvidia released one non-consumer card under the new Volta architecture, the Titan V. Changes from
12168-527: The RTX 20 series GPUs that added ray-tracing cores to GPUs, improving their performance on lighting effects. Polaris 11 and Polaris 10 GPUs from AMD are fabricated by a 14 nm process. Their release resulted in a substantial increase in the performance per watt of AMD video cards. AMD also released the Vega GPU series for the high end market as a competitor to Nvidia's high end Pascal cards, also featuring HBM2 like
12324-553: The RX 6800, RX 6800 XT, and RX 6900 XT. The RX 6700 XT, which is based on Navi 22, was launched in early 2021. The PlayStation 5 and Xbox Series X and Series S were released in 2020; they both use GPUs based on the RDNA 2 microarchitecture with incremental improvements and different GPU configurations in each system's implementation. Intel first entered the GPU market in the late 1990s, but produced lackluster 3D accelerators compared to
12480-472: The Steam Community Marketplace and use them to craft "Badges", which grant rewards such as discount coupons, and user profile page customization options. In 2010, the Steam client became an OpenID provider, allowing third-party websites to use a Steam user's identity without requiring the user to expose his or her Steam credentials. In order to prevent abuse, access to most community features
12636-684: The Steam Community feature. Through the Steam Chat feature, users can use text chat and peer-to-peer VoIP with other users, identify which games their friends and other group members are playing, and join and invite friends to Steamworks-based multiplayer games that support this feature. Users can participate in forums hosted by Valve to discuss Steam games. Each user has a unique page that shows his or her groups and friends, game library including earned achievements, game wishlists, and other social features; users can choose to keep this information private. In January 2010, Valve reported that 10 million of
12792-440: The Steam client and purchased games. A more robust implementation of Family Sharing, titled "Steam Families", was released in September 2024, allowing up to five members of a household to share games from a single account, including the ability to play different games on those accounts along with different game saves and profiles, and enhanced parental control tools for those accounts. By its acceptable use policy , Valve retains
12948-468: The Steam client to add the title to their libraries. Steam also offers a framework for selling and distributing downloadable content (DLC) for games. In September 2013, Steam introduced the ability to share most games with family members and close friends by authorizing machines to access one's library. Authorized players can install the game locally and play it separately from the owning account. Users can access their saved games and achievements provided
13104-690: The Steam client. The API also provides anti-cheating devices and digital copy management. In 2016, after introducing the Steam Controller and improvements to the Steam interface to support numerous customization options, the Steamworks API was also updated to provide a generic controller library for developers and these customization features for other third-party controllers, starting with the DualShock 4 . Steam's Input API has since been updated to include official support for other console controllers such as
13260-544: The Steam display to work on high-definition televisions, allowing the user to control Steam with a gamepad or with a keyboard and mouse. Newell stated that Big Picture mode was a step towards a dedicated Steam entertainment hardware unit. With the introduction of the Steam Deck, Valve began pushing the new Big Picture mode based on the Steam Deck UI in beta testing in October 2022, and full release in February 2023. The new UI
13416-508: The Steam level, which allowed them to police their own gaming communities in a customizable manner. The Steam client includes a digital storefront called the Steam Store through which users can purchase games. Once the game is bought, a software license is permanently attached to the user's Steam account, allowing them to download the software on any compatible device. Game licenses can be given to other accounts under certain conditions. Content
13572-402: The Steam store. In February 2014, Valve announced that it would begin to allow developers to set up their own sales for their games independent of any sales that Valve may set. Valve may also work with developers to suggest their participation in sales on themed days. Steam has conducted and partially published a monthly opt-in hardware and software survey between 2007 and 2010. Valve added
13728-599: The Titan V. In 2019, AMD released the successor to their Graphics Core Next (GCN) microarchitecture/instruction set. Dubbed RDNA, the first product featuring it was the Radeon RX 5000 series of video cards. The company announced that the successor to the RDNA microarchitecture would be incremental (aka a refresh). AMD unveiled the Radeon RX 6000 series , its RDNA 2 graphics cards with support for hardware-accelerated ray tracing. The product series, launched in late 2020, consisted of
13884-488: The Titan XP, Pascal's high-end card, include an increase in the number of CUDA cores, the addition of tensor cores, and HBM2 . Tensor cores are designed for deep learning, while high-bandwidth memory is on-die, stacked, lower-clocked memory that offers an extremely wide memory bus. To emphasize that the Titan V is not a gaming card, Nvidia removed the "GeForce GTX" suffix it adds to consumer gaming cards. In 2018, Nvidia launched
14040-425: The Windows implementation, by default all applications run through the integrated graphics processor. As of 2013 one can only run a program with improved graphical performance on the discrete GPU by explicitly invoking it as such: for example, by using the command line or through specially configured shortcut icon. Automatic detection and switching between graphics processors is not yet available. Work in progress on
14196-449: The ability for developers to sell games under an early access model with a special section of the Steam store, starting in March 2013. This program allows developers to release functional, but not finished, products such as beta versions to the service to allow users to buy the games and help provide testing and feedback towards the final production. Early access also helps to provide funding to
14352-453: The actual display rate. Most GPUs made since 1995 support the YUV color space and hardware overlays , important for digital video playback, and many GPUs made since 2000 also support MPEG primitives such as motion compensation and iDCT . This hardware-accelerated video decoding, in which portions of the video decoding process and video post-processing are offloaded to the GPU hardware,
14508-524: The assignment and distribution of product keys and support for digital rights management software tools such as SecuROM or non-malicious rootkits . With an update to the Steamworks SDK in March 2009, Valve added "Custom Executable Generation" (CEG), which creates a unique, encrypted copy of the game's executable files for the given user, which allows them to install it multiple times and on multiple devices, and make backup copies of their software. Once
14664-591: The basis of the Texas Instruments Graphics Architecture ("TIGA") Windows accelerator cards. In 1987, the IBM 8514 graphics system was released. It was one of the first video cards for IBM PC compatibles to implement fixed-function 2D primitives in electronic hardware . Sharp 's X68000 , released in 1987, used a custom graphics chipset with a 65,536 color palette and hardware support for sprites, scrolling, and multiple playfields. It served as
14820-541: The best user-created content, top forum posts, and screenshots—to the Community area. In December 2012, a feature where users can upload walkthroughs and guides detailing game strategy was added. Starting in January 2015, the Steam client allowed players to livestream to Steam friends or the public while playing games on the platform. For the main event of The International 2018 Dota 2 tournament, Valve launched Steam.tv as
14976-598: The books: " Game of X " v.1 and v.2 by Russel Demaria, " Renegades of the Empire " by Mike Drummond, " Opening the Xbox " by Dean Takahashi and " Masters of Doom " by David Kushner. The Nvidia GeForce 256 (also known as NV10) was the first consumer-level card with hardware-accelerated T&L; While the OpenGL API provided software support for texture mapping and lighting the first 3D hardware acceleration for these features arrived with
15132-407: The client provides an in-game overlay from which the user can access Steam Community lists and participate in chat, manage selected Steam settings, and access a built-in web browser without having to exit the game. Since the beginning of February 2011 as a beta version, the overlay also allows players to take screenshots of the games in process. As a full version on February 24, 2011, this feature
15288-563: The competition at the time. Rather than attempting to compete with the high-end manufacturers Nvidia and ATI/AMD, they began integrating Intel Graphics Technology GPUs into motherboard chipsets, beginning with the Intel 810 for the Pentium III, and later into CPUs. They began with the Intel Atom 'Pineview' laptop processor in 2009, continuing in 2010 with desktop processors in the first generation of
15444-531: The dominant CGI movie production tool used for early CGI movie hits like Jurassic Park, Terminator 2 and Titanic. With that deal came a strategic relationship with SGI and a commercial license of SGI's OpenGL libraries enabling Microsoft to port the API to the Windows NT OS but not to the upcoming release of Windows '95. Although it was little known at the time, SGI had contracted with Microsoft to transition from Unix to
15600-506: The early 2010s. The storefront also offers productivity software , game soundtracks , videos, and Valve hardware such as the Index and Steam Deck . The service is the largest digital distribution platform for PC games , with an estimated 75% of the market share in 2013 according to IHS Screen Digest . By 2017, game purchases through Steam totaled about US$ 4.3 billion, or at least 18% of global PC game sales according to Steam Spy . By 2021,
15756-508: The first Direct3D accelerated consumer GPU's . Nvidia was first to produce a chip capable of programmable shading : the GeForce 3 . Each pixel could now be processed by a short program that could include additional image textures as inputs, and each geometric vertex could likewise be processed by a short program before it was projected onto the screen. Used in the Xbox console, this chip competed with
15912-479: The first Direct3D GPU's. Nvidia, quickly pivoted from a failed deal with Sega in 1996 to aggressively embracing support for Direct3D. In this era Microsoft merged their internal Direct3D and OpenGL teams and worked closely with SGI to unify driver standards for both industrial and consumer 3D graphics hardware accelerators. Microsoft ran annual events for 3D chip makers called "Meltdowns" to test their 3D hardware and drivers to work both with Direct3D and OpenGL. It
16068-530: The first game to use this service was Darkfall Unholy Wars . In October 2012, Steam introduced non-gaming applications, which are sold through the service in the same manner as games. Creativity and productivity applications can access the core functions of the Steamworks API, allowing them to use Steam's simplified installation and updating process, and incorporate features including cloud saving and Steam Workshop. Steam also allows game soundtracks to be purchased to be played via Steam Music or integrated with
16224-477: The first major CMOS graphics processor for personal computers. The ARTC could display up to 4K resolution when in monochrome mode. It was used in a number of graphics cards and terminals during the late 1980s. In 1985, the Amiga was released with a custom graphics chip including a blitter for bitmap manipulation, line drawing, and area fill. It also included a coprocessor with its own simple instruction set, that
16380-491: The forthcoming Windows '95 consumer OS, in '95 Microsoft announced the acquisition of UK based Rendermorphics Ltd and the Direct3D driver model for the acceleration of consumer 3D graphics. The Direct3D driver model shipped with DirectX 2.0 in 1996. It included standards and specifications for 3D chip makers to compete to support 3D texture, lighting and Z-buffering. ATI, which was later to be acquired by AMD, began development on
16536-441: The forthcoming Windows NT OS , the deal which was signed in 1995 was not announced publicly until 1998. In the intervening period, Microsoft worked closely with SGI to port OpenGL to Windows NT. In that era OpenGL had no standard driver model for competing hardware accelerators to compete on the basis of support for higher level 3D texturing and lighting functionality. In 1994 Microsoft announced DirectX 1.0 and support for gaming in
16692-479: The foundations for the emerging PC graphics market. It was used in a number of graphics cards and was licensed for clones such as the Intel 82720, the first of Intel's graphics processing units . The Williams Electronics arcade games Robotron 2084 , Joust , Sinistar , and Bubbles , all released in 1982, contain custom blitter chips for operating on 16-color bitmaps. In 1984, Hitachi released ARTC HD63484,
16848-502: The game to be easily accessed from the Steam client and providing support where possible for Steam Overlay features. The Steam interface allows for user-defined shortcuts to be added. In this way, third-party modifications and games not purchased through the Steam Store can use Steam features. Valve sponsors and distributes some modifications free of charge; and modifications that use Steamworks can also use any Steam features supported by their parent game. For most games launched from Steam,
17004-583: The game, part of legal issues that Valve had with Vivendi, who claimed that physical copies they published could not be activated as to them the game had not been released. The Steam requirement was met with concerns about software ownership, software requirements, and problems with overloaded servers demonstrated previously by the Counter-Strike rollout. In 2005, third-party developers were contracted to release games on Steam, such as Rag Doll Kung Fu and Darwinia . In May 2007, ATI included Steam in
17160-509: The hijackers to empty the user's inventory of items through the trading features. To improve security, the company announced that new restrictions would be added in March 2016, under which 15-day holds are placed on traded items unless they activate, and authenticate with Steam Guard Mobile Authenticator. After a Counter-Strike: Global Offensive gambling controversy, Valve stated it was cracking down on third-party websites using Steam inventory trading for skin gambling in July 2016. ReVuln,
17316-463: The identity protection provided by Intel's second-generation Core processors and compatible motherboard hardware, which allows users to lock their account to a specific computer. Once locked, activity by that account on other computers must first be approved by the user on the locked computer. Support APIs for Steam Guard are available to third-party developers through Steamworks. Steam Guard also offers two-factor , risk-based authentication that uses
17472-493: The impression of a game to users. To prevent observed abuse of the review system by developers or other third-party agents, Valve modified the review system in September 2016 to discount review scores for a game from users that activated the product through a product key rather than directly purchased by the Steam Store, though their reviews remain visible. Alongside this, Valve announced that it would end business relations with any developer or publisher that they found to be abusing
17628-512: The in-game store for Team Fortress 2 . Later that year, Valve added the ability to trade in-game items and "unopened" game gifts between users. Steam Coupons, which was introduced in December 2011, provides single-use coupons that provide a discount to the cost of items. Steam Coupons can be provided to users by developers and publishers; users can trade these coupons between friends in a similar fashion to gifts and in-game items. In May 2015, GameStop began selling Steam Wallet cards. Steam Market,
17784-401: The login session for the change to take effect. Ubuntu's prime-select script is available on Ubuntu derivatives, which in some cases add their own graphical tools. The prime-offload approach has been ported or reimplemented in arch and fedora. In 2016, Nvidia announced GL Vendor Neutral Dispatch, meaning both Intel and Nvidia drivers can be simultaneously installed. This has greatly simplified
17940-461: The main owner is not playing. When the main player initiates a game while a shared account is using it, the shared account user is allowed a few minutes to either save their progress and close the game or purchase the game for their own account. Within Family View, introduced in January 2014, parents can adjust settings for their children's tied accounts, limiting the functionality and accessibility to
18096-411: The most use of it, it is best to use a recent Linux distribution. As of 2013, Bumblebee software repositories are available for Arch Linux , Debian , Fedora , Gentoo , Mandriva , OpenSuSE and Ubuntu . The source package can be used for other distributions. An attempt by Nvidia to support Optimus through DMA-BUF , a Linux kernel -mechanism for sharing buffers across hardware (potentially GPUs),
18252-460: The most useful reviews on the game's Steam store page. Steam also aggregates these reviews and enables users to sort products based on this feedback while browsing the store. In May 2016, Steam further broke out these aggregations between all reviews overall and those made more recently in the last 30 days, a change Valve acknowledges to how game updates, particularly those in Early Access, can alter
18408-581: The motherboard in a standard fashion. The term "dedicated" refers to the fact that graphics cards have RAM that is dedicated to the card's use, not to the fact that most dedicated GPUs are removable. Dedicated GPUs for portable computers are most commonly interfaced through a non-standard and often proprietary slot due to size and weight constraints. Such ports may still be considered PCIe or AGP in terms of their logical host interface, even if they are not physically interchangeable with their counterparts. Graphics cards with dedicated GPUs typically interface with
18564-410: The number of core on-silicon processor units within the GPU chip that perform the core calculations, typically working in parallel with other SM/CUs on the GPU. GPU performance is typically measured in floating point operations per second ( FLOPS ); GPUs in the 2010s and 2020s typically deliver performance measured in teraflops (TFLOPS). This is an estimated performance measure, as other factors can affect
18720-519: The one in the PlayStation 2 , which used a custom vector unit for hardware accelerated vertex processing (commonly referred to as VU0/VU1). The earliest incarnations of shader execution engines used in Xbox were not general purpose and could not execute arbitrary pixel code. Vertices and pixels were processed by different units which had their own resources, with pixel shaders having tighter constraints (because they execute at higher frequencies than vertices). Pixel shading engines were actually more akin to
18876-431: The online user base disconnecting for several days until players had installed the patch. They decided to create a platform that would update games automatically and implement stronger anti-piracy and anti-cheat measures. They approached several companies, including Microsoft , Yahoo! , and RealNetworks , to build a client with these features, but were declined. Valve began its own platform development in 2002, using
19032-410: The performance of the card for real-time rendering, such as the size of the connector pathways in the semiconductor device fabrication , the clock signal frequency, and the number and size of various on-chip memory caches . Performance is also affected by the number of streaming multiprocessors (SM) for NVidia GPUs, or compute units (CU) for AMD GPUs, or Xe cores for Intel discrete GPUs, which describe
19188-551: The platform. In 2022, Ubisoft announced that they would return to selling its recent games on Steam, starting with Assassin's Creed Valhalla , stating that they were "constantly evaluating how to bring our games to different audiences wherever they are". By 2014, total annual game sales on Steam were estimated at $ 1.5 billion. By 2018, the service had over 90 million monthly active users. In 2018, its network delivered 15 billion gigabytes of data, compared to less than 4 billion in 2014. Steam's primary service
19344-502: The process of switching modes, although it took until 2018 when distributions started taking advantage. Some older and high-end laptops contain a BIOS setting to manually select the state of the hardware multiplexer to switch output between the two video devices. In this case, a Linux user can place the laptop in hardware configurations where there is only once graphics device. This avoids the complexities of running two graphics drivers but offers no power savings. Since driver version 435
19500-413: The proprietary driver supports render offloading of a single window. It creates a virtual display where the dGPU renders to, which will be displayed in the window on the main screen for offloaded application. As of October 2019 this requires usage of the xorg development branch, since needed modifications are not yet released. Integrated graphics processor A graphics processing unit ( GPU )
19656-434: The public data to estimate Steam sales count. Valve established a HackerOne bug bounty program in May 2018, a crowdsourced method to test and improve the security features of the Steam client. In August 2019, a security researcher exposed a zero-day vulnerability in the Windows client of Steam, which allowed for any user to run arbitrary code with LocalSystem privileges using just a few simple commands. The vulnerability
19812-477: The review system. Separately, Valve has taken actions to minimize the effects of review bombs on Steam. In particular, Valve announced in March 2019 that they mark reviews they believe are "off-topic" as a result of a review bomb, and eliminate their contribution to summary review scores; the first such games they took action on with this were the Borderlands games after it was announced Borderlands 3 would be
19968-1010: The right to block customers' access to their games and Steam services when Valve's Anti-Cheat (VAC) software determines that the user is cheating in multiplayer games, selling accounts to others, or trading games to exploit regional price differences. Blocking such users initially removed access to their other games, leading to some users with high-value accounts losing access because of minor infractions. Valve later changed its policy to be similar to that of Electronic Arts' Origin platform, in which blocked users can still access their games but are heavily restricted, limited to playing in offline mode and unable to participate in Steam Community features. Customers also lose access to their games and Steam account if they refuse to accept changes to Steam's end user license agreements ; this last occurred in August 2012. In April 2015, Valve began allowing developers to set bans on players for their games, but enacted and enforced at
20124-482: The same die (integrated circuit) with the CPU (like AMD APU or Intel HD Graphics ). On certain motherboards, AMD's IGPs can use dedicated sideport memory: a separate fixed block of high performance memory that is dedicated for use by the GPU. As of early 2007 computers with integrated graphics account for about 90% of all PC shipments. They are less costly to implement than dedicated graphics processing, but tend to be less capable. Historically, integrated processing
20280-415: The scan lines map to specific bitmapped or character modes and where the memory is stored (so there did not need to be a contiguous frame buffer). 6502 machine code subroutines could be triggered on scan lines by setting a bit on a display list instruction. ANTIC also supported smooth vertical and horizontal scrolling independent of the CPU. The NEC μPD7220 was the first implementation of
20436-628: The service had over 34,000 games with over 132 million monthly active users. Steam's success has led to the development of the Steam Machine gaming PCs in 2015, including the SteamOS Linux distribution and Steam Controller ; Steam Link devices for local game streaming; and in 2022, the handheld Steam Deck tailored for running Steam games. In the early 2000s, Valve was looking for a better way to update its published games, as providing downloadable patches for multiplayer games resulted in most of
20592-413: The services being attacked by hackers . An attempt occurred in November 2011, when Valve temporarily closed the community forums, citing potential hacking threats to the service. Days later, Valve reported that the hack had compromised one of its customer databases, potentially allowing the perpetrators to access customer information, including encrypted passwords and credit card details. At that time, Valve
20748-654: The software is downloaded and installed, the user must then authenticate through Steam to de-encrypt the executable files to play the game. Normally this is done while connected to the Internet following the user's credential validation, but once they have logged into Steam once, a user can instruct Steam to launch in a special offline mode to be able to play their games without a network connection. Developers are not limited to Steam's CEG and may include other forms of DRM (or none at all) and other authentication services than Steam; for example, some games from publisher Ubisoft require
20904-426: The system and have a small dedicated memory cache, to make up for the high latency of the system RAM. Technologies within PCI Express make this possible. While these solutions are sometimes advertised as having as much as 768 MB of RAM, this refers to how much can be shared with the system memory. It is common to use a general purpose graphics processing unit (GPGPU) as a modified form of stream processor (or
21060-728: The training of neural networks and cryptocurrency mining . Arcade system boards have used specialized graphics circuits since the 1970s. In early video game hardware, RAM for frame buffers was expensive, so video chips composited data together as the display was being scanned out on the monitor. A specialized barrel shifter circuit helped the CPU animate the framebuffer graphics for various 1970s arcade video games from Midway and Taito , such as Gun Fight (1975), Sea Wolf (1976), and Space Invaders (1978). The Namco Galaxian arcade system in 1979 used specialized graphics hardware that supported RGB color , multi-colored sprites, and tilemap backgrounds. The Galaxian hardware
21216-486: The use of their Uplay gaming service. In September 2008, Valve added support for Steam Cloud, a service that can automatically store saved game and related custom files on Valve's servers; users can access this data from any machine running the Steam client. Users can disable this feature on a per-game and per-account basis. Cloud saving was expanded in January 2022 for Dynamic Cloud Sync, allowing games developed with this feature to store saved states to Steam Cloud while
21372-459: The user's other media players . Valve adjusted its approach to soundtracks in 2020, no longer requiring them to be offered as DLC, meaning that users can buy soundtracks to games they do not own, and publishers can offer soundtracks to games not on Steam. Valve has also added the ability for publishers to rent and sell digital movies via the service, with initially most being video game documentaries. Following Warner Bros. Entertainment offering
21528-558: The user's region; the purchase of games may be restricted to specific regions because of release dates, game classification, or agreements with publishers. Since 2010, the Steam Translation Server project allows Steam users to assist with the translation of the Steam client, storefront, and a selected library of Steam games for twenty-eight languages. In October 2018, official support for Vietnamese and Latin American Spanish
21684-677: The wide vector width SIMD architecture of the GPU. Steam (service) Steam is a video game digital distribution service and storefront managed by Valve Corporation . It was launched as a software client in September 2003 to provide game updates automatically for Valve's games and expanded to distributing third-party titles in late 2005. Steam offers various features, like game server matchmaking with Valve Anti-Cheat (VAC) measures, social networking , and game streaming services. Steam client's functionality include game update automation, cloud storage for game progress , and community features such as direct messaging, in-game overlay and
21840-514: The working names "Grid" and "Gazelle". The Steam platform was publicly announced at the Game Developers Conference event on March 22, 2002, and released for beta testing that day. Prior to the implementation of Steam, Valve had a publishing contract with Sierra Studios ; the 2001 version of the contract gave Valve rights to digital distribution of its games. Valve took Sierra and their owners, Vivendi Games , to court in 2002 over
21996-413: Was added in June 2020, which mirrored similar temporary points systems that had been used in prior sales on the storefront. Users earn points through purchases on Steam or by receiving community recognition for helpful reviews or discussion comments. These points can be redeemed in the separate storefront for cosmetics that apply to the user's profile and chat interface. The popularity of Steam has led to
22152-518: Was added, in addition to Steam's then 26 languages. Steam also allows users to purchase downloadable content for games, and for some specific games such as Team Fortress 2 , the ability to purchase in-game inventory items. In February 2015, Steam began to open similar options for in-game item purchases for third-party games. In November 2007, achievements were added, similar to Xbox 360 Achievements . In conjunction with developers and publishers, Valve frequently provides discounted sales on games on
22308-508: Was also adopted by SteamVR in October 2023. In 2012, Valve announced Steam for Schools, a free function-limited version of the Steam client for schools. It was part of Valve's initiative to support gamification of learning . It was released alongside free versions of Portal 2 and a standalone program called "Puzzle Maker" that allowed teachers and students to create and manipulate levels. It featured additional authentication security that allowed teachers to share and distribute content via
22464-466: Was capable of manipulating graphics hardware registers in sync with the video beam (e.g. for per-scanline palette switches, sprite multiplexing, and hardware windowing), or driving the blitter. In 1986, Texas Instruments released the TMS34010 , the first fully programmable graphics processor. It could run general-purpose code, but it had a graphics-oriented instruction set. During 1990–1992, this chip became
22620-504: Was considered unfit for 3D games or graphically intensive programs but could run less intensive programs such as Adobe Flash. Examples of such IGPs would be offerings from SiS and VIA circa 2004. However, modern integrated graphics processors such as AMD Accelerated Processing Unit and Intel Graphics Technology (HD, UHD, Iris, Iris Pro, Iris Plus, and Xe-LP ) can handle 2D graphics or low-stress 3D graphics. Since GPU computations are memory-intensive, integrated processing may compete with
22776-517: Was during this period of strong Microsoft influence over 3D standards that 3D accelerator cards moved beyond being simple rasterizers to become more powerful general purpose processors as support for hardware accelerated texture mapping, lighting, Z-buffering and compute created the modern GPU. During this period the same Microsoft team responsible for Direct3D and OpenGL driver standardization introduced their own Microsoft 3D chip design called Talisman . Details of this era are documented extensively in
22932-557: Was followed by the Maxwell line, manufactured on the same process. Nvidia's 28 nm chips were manufactured by TSMC in Taiwan using the 28 nm process. Compared to the 40 nm technology from the past, this manufacturing process allowed a 20 percent boost in performance while drawing less power. Virtual reality headsets have high system requirements; manufacturers recommended the GTX 970 and
23088-493: Was misconfigured in response to a DDoS attack , causing cached store pages containing personal information to be temporarily exposed for 34,000 users. In April 2018, Valve added new privacy settings for Steam users, who can hide their activity status, game lists, inventory, and other profile elements. While these changes brought Steam's privacy settings in line with approaches used by game console services, they also impacted third-party services such as Steam Spy , which relied on
23244-427: Was not aware whether the intruders actually accessed this information or discovered the encryption method, but nevertheless warned users to be alert for fraudulent activity. Valve added Steam Guard functionality to the Steam client in March 2011 to protect against the hijacking of accounts via phishing schemes, one of the largest support problems Valve had at the time. Steam Guard was advertised to take advantage of
23400-451: Was rebuffed by kernel developers in January 2012 due to license incompatibility between the GPL -licensed kernel-code and the proprietary-licensed Nvidia blob . When no software mechanism exists for switching between graphics adapters, the system cannot use the Nvidia GPU at all, even if an installed graphics driver would support it. Many Linux distributions now support Nvidia offloading, where
23556-427: Was reimplemented so that users could share screenshots on websites of Facebook , Twitter , and Reddit directly from a user's screenshot manager. Store game pages display a score from Metacritic since 2007. Steam's "Big Picture" mode was announced in 2011; public betas started in September 2012 and were integrated into the software in December 2012. Big Picture mode is a 10-foot user interface , which optimizes
23712-473: Was released in May 2019. A major visual overhaul of the Library and game profile pages was released in October 2019. These redesigns are aimed to aid users to organize their games, help showcase what shared games a user's friends are playing, games that are being live-streamed, and new content that may be available, along with more customization options for sorting games. Associated with that, Valve gave developers
23868-493: Was the Nintendo 64 's Reality Coprocessor , released in 1996. In 1997, Mitsubishi released the 3Dpro/2MP , a GPU capable of transformation and lighting, for workstations and Windows NT desktops; ATi used it for its FireGL 4000 graphics card , released in 1997. The term "GPU" was coined by Sony in reference to the 32-bit Sony GPU (designed by Toshiba ) in the PlayStation video game console, released in 1994. In
24024-426: Was the precursor to what is now called a compute shader (e.g. CUDA, OpenCL, DirectCompute) and actually abused the hardware to a degree by treating the data passed to algorithms as texture maps and executing algorithms by drawing a triangle or quad with an appropriate pixel shader. This entails some overheads since units like the scan converter are involved where they are not needed (nor are triangle manipulations even
24180-476: Was then reported to Valve via the program, but it was initially rejected for being "out-of-scope". Following a second vulnerability found by the same user, Valve apologized and patched them both, and expanded the program's rules to accept any other similar problems. The Anti-Defamation League published a report that stated the Steam Community platform harbors hateful content in April 2020. In January 2021,
24336-472: Was widely used during the golden age of arcade video games , by game companies such as Namco , Centuri , Gremlin , Irem , Konami , Midway, Nichibutsu , Sega , and Taito. The Atari 2600 in 1977 used a video shifter called the Television Interface Adaptor . Atari 8-bit computers (1979) had ANTIC , a video processor which interpreted instructions describing a " display list "—the way
#554445