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AMD Announces FSR 3.1, Improves Super Resolution Quality, Allows Frame Generation to Work with Other Upscaling Tech

AMD at GDC 2024 announced the FidelityFX Super Resolution 3.1 (FSR 3.1). While the original FSR 3.0 feature-set largely carries forward the super resolution upscaler from FSR 2.2, adding frame generation on top; the new FSR 3.1 adds several image quality improvements to the upscaler itself, improving image quality at every performance preset. Specifically, it improves the temporal stability of the output at rest and in movement, to reduce flickering and shimmering, or "fizziness" around objects in motion. The new upscaler also reduces ghosting, and better preserves detail.

Next up, is a rather important change in the way the frame generation technology works. AMD has decoupled FSR 3.1 frame generation from the upscaling tech, which allows frame generation to work with other upscaling solutions, such as DLSS or XeSS. The possibilities of such a decoupling are endless—have an RTX 30-series "Ampere" GPU that lacks DLSS 3 frame generation support? No worries, use DLSS 2 for the upscaling, and FSR 3.1 for the frame generation. AMD is also clumping its FidelityFX family of technologies into a new FidelityFX API that makes it easier for developers to debug, and paves the way for forward-compatibility with future versions of FSR. Lastly, FSR 3.1 supports Vulkan API, and the Microsoft Xbox GDK. AMD plans to release FSR 3.1 to developers through its GPUOpen platform in Q2-2024, and its first implementations on games are expected later this year. In the meantime, AMD implemented FSR 3.1 on "Ratchet & Clank: Rift Apart," to showcase the new upscaler.

Avatar: Frontiers of Pandora's Latest Patch Claims Fixing of FSR 3 Artefacts & FPS Tracking

A new patch for Avatar: Frontiers of Pandora deployed on March 1, bringing more than 150 fixes and adjustments to the game. Title Update 3 includes technical, UI, balancing, main quest, and side quest improvements, plus additional bug fixes. To provide players with an improved experience, the development team, led by Massive Entertainment, listened to feedback from the community while working on Title Update 3.

An additional patch, Title Update 3.1, was deployed on March 7, adding additional fixes to the game. Check out the full list of improvements included in Title Update 3 & 3.1 here, and read on for the most notable improvements now available in Avatar: Frontiers of Pandora.

Update Mar 14th: TPU has received alerts regarding player feedbackMassive Entertainment's "Title Update 3" has reportedly broken their implementation of FSR 3 in Avatar: Frontiers of Pandora. We will keep an eye on official Ubisoft channels—so far they have not addressed these FSR-related problems.

Microsoft DirectSR Super Resolution API Brings Together DLSS, FSR and XeSS

Microsoft has just announced that their new DirectSR Super Resolution API for DirectX will provide a unified interface for developers to implement super resolution in their games. This means that game studios no longer have to choose between DLSS, FSR, XeSS, or spend additional resources to implement, bug-test and support multiple upscalers. For gamers this is huge news, too, because they will be able to run upscaling in all DirectSR games—no matter the hardware they own. While AMD FSR and Intel XeSS run on all GPUs from all vendors, NVIDIA DLSS is exclusive to Team Green's hardware. With their post, Microsoft also confirms that DirectSR will not replace FSR/DLSS/XeSS with a new upscaler by Microsoft, rather that it builds on existing technologies that are already available, unifying access to them.

While we have to wait until March 21 for more details to be revealed at GDC 2024, Microsoft's Joshua Tucker stated in a blog post: "We're thrilled to announce DirectSR, our new API designed in partnership with GPU hardware vendors to enable seamless integration of Super Resolution (SR) into the next generation of games. Super Resolution is a cutting-edge technique that increases the resolution and visual quality in games. DirectSR is the missing link developers have been waiting for when approaching SR integration, providing a smoother, more efficient experience that scales across hardware. This API enables multi-vendor SR through a common set of inputs and outputs, allowing a single code path to activate a variety of solutions including NVIDIA DLSS Super Resolution, AMD FidelityFX Super Resolution, and Intel XeSS. DirectSR will be available soon in the Agility SDK as a public preview, which will enable developers to test it out and provide feedback. Don't miss our DirectX State of the Union at GDC to catch a sneak peek at how DirectSR can be used with your games!"

AMD Software Adrenalin 24.1.1 WHQL Released With AMD Fluid Motion Frames Support

AMD has released the latest version of AMD Software Adrenalin drivers, version 24.1.1 WHQL. This is quite a big update as new drivers add support for the new AMD Radeon RX 7600 XT graphics card as well as bring day one support for Like A Dragon: Infinite Wealth and TEKKEN 8 games. There is also support for AMD Fluid Motion Frames (AFMF), which promises to boost FPS by up to 97 percent in any DirectX 11 and DirectX 12 game. In addition to AFMF, the new drivers also add AMD Video Upscaling, some additional video improvements, AMD Smart Technology Tab, AMD Assistant, and additional OS feature support. There are also several fixed issues.

According to AMD, AFMF improves performance by adding frame generation technology to AMD Radeon 700M, RX 6000, and RX 7000 series graphics cards, both desktop and notebook versions. AMD also claims that AFMF preserves image quality by dynamically disabling frame generation during fast visual motion. AMD claims up to 97 percent average increase in performance across select titles at 1080p resolution with enabled AFMF and FSR 2 set at Quality Mode on Radeon RX 7600 XT graphics card, as well as up to 103 percent increase with the same settings and the same Radeon RX 7600 XT graphics card at 1440p resolution.

DOWNLOAD: AMD Software Adrenalin 24.1.1 WHQL

AMD FSR 3 with Frame Generation Comes to Call of Duty MW:III and Warzone

Official support for AMD FidelityFX Super Resolution 3 (FSR 3), including support for Frame Generation, has been extended to Call of Duty Modern Warfare III and Warzone, though their latest game patch. This adds FSR 3 as an option, which lets you choose between five performance presets—Ultra Performance, Performance, Balanced, Quality, and Native; with Native being analogous to NVIDIA's DLAA preset—a quality enhancement at native resolution, without upscaling. With the "AMD FSR 3.0" upscaling/sharpening option selection, you also get Frame Generation as a separate toggle, which nearly doubles frame rates using AMD's interpolation technology.

Call of Duty MW:III and Warzone are arguably the biggest game franchise to implement FSR 3 so far. The list of officially supported FSR 3 titles is small, with just five other titles that include Avatar: Frontiers of Pandora, Forspoken, Immortals of Aveum, Like a Dragon Gaiden: The Man Who Erased His Name; and Motorcubs RC; however, with AMD posting the FSR 3 source code to GPUOpen, the game modding community is all over the feature, extending unofficial FSR 3 and Frame Generation mods to games not on this list. It's worth noting that the latest CoD MW:III patch has FSR 3 replace the FSR 2.1 option entirely.

AMD Releases FSR 3 Source Code on GPUOpen

AMD on Thursday announced the first release of FidelityFX Super Resolution 3 (FSR 3) source code through the company's GPUOpen initiative. The company just set up an FSR 3 source code repo on GitHub that game devs everywhere can take advantage of. This includes the complete source for DirectX 12, and the source of an FSR 3 Unreal Engine 5 plugin. With it, the company also released extensive documentation that helps developers understand the inner workings of FSR 3, so they could better integrate the tech with their games and applications. With this announcement, AMD also unveiled FSR 3 support for even more new and upcoming games, which include "Black Myth: Wukong," the three latest titles from the "Warhammer" franchise, including "Darktide," "Space Marine II," and "Realms of Ruin;" "Starfield," "Pax Dei," and "Crimson Desert."

Homeworld 3 Gets PC System Requirements

Gearbox Publishing and Blackbird Interactive have officially unveiled the system requirements for Homeworld 3, the highly anticipated next installment in the GOTY-winning sci-fi RTS series, launching in 2024. Blackbird Interactive continues its work to optimize the game to ensure the fidelity, scale and immersiveness of Homeworld 3's gameplay can be experienced across a wide array of PCs.

Players with the latest graphics cards and processors can enjoy the game in 4K with all of the settings turned up while players with older components can still experience Homeworld 3's hallmark 3D strategy experience with dynamic space battles and incredible visuals.

AMD FidelityFX Super Resolution Could Come to Samsung and Qualcomm SoCs

AMD FidelityFX Super Resolution (FSR) is an open-source resolution upscaling technology that takes lower-resolution input and uses super-resolution temporal upscaling technology, frame generation using AMD Fluid Motion Frames (AFMF) technology, and built-in latency reduction technology to provide greater-resolution output images from lower-resolution settings. While the technology is open-source, it battles in market share with NVIDIA and the company's Deep Learning Super Sampling (DLSS). However, in the mobile space, there hasn't been much talk about implementing upscaling technology up until now. According to a popular leaker @Tech_Reve on X/Twitter, we have information that AMD is collaborating with Samsung and Qualcomm to standardize on upscaling technology implementations in mobile SoCs.

Not only does the leak imply that the AMD FSR technology will be used in Samsung's upcoming Exynos SoC, but some AMD ray tracing will be present as well. The leaker has mentioned Qualcomm, which means that future iterations of Snapdragon are up to adopt the FSR algorithmic approach to resolution upscaling. We will see how and when, but with mobile games growing in size and demand, FSR could come in handy to provide mobile gamers with a better experience. Primarily, this targets Android devices, which Qualcomm supplies, where Apple's iPhone recently announced MetalFX Upscaling technology with an A17 Pro chip.

Forspoken Gets Version Update Patch 1.22 Adding Support for AMD FidelityFX Super Resolution 3 and More

Square Enix has released Forspoken Version Update Patch 1.22, making it the first game to officially support the AMD FidelityFX Super Resolution 3. In addition to FSR 3 support, the new Forspoken Version Update Patch 1.22 also adds the Native AA quality mode options and fixes some issues with save data between the main game and DLC.

According to the release notes, the update will not come to the PlayStation 5 version, and the Microsoft Store version will be updated as soon as the patch is approved. Surprisingly, Square Enix describes the AMD FidelityFX Super Resolution 3 as technology that "combines temporal upscaling and frame generation to deliver significantly higher performance," and says that the frame generation is enabled separately from upscaling and is available when using AMD Radeon RX 5000 Series, NVIDIA GeForce RTX 20 Series, and Intel Arc 7 Series or newer GPUs. It is left to be seen if these will indeed work on Intel Arc series GPUs, as it was never officially confirmed by AMD.

AMD FidelityFX Super Resolution 3 to Officially Launch Tomorrow, Forspoken and Immortals of Avenum as Launch Titles

AMD has confirmed that FidelityFX Super Resolution 3 (FSR 3) will launch tomorrow, September 29, with Forspoken and Immortals of Aveum listed as first game titles to support it. The news was announced by Frank Azor over at Twitter, with the promise of more titles coming soon. In case you missed it back when it was announced in August, the FidelityFX Super Resolution 3 Fluid Motion (FSR 3 Fluid Motion) is AMD's direct answer to NVIDIA's DLSS 3 Frame Generation. As promised back then, the FSR 3 will work on the latest AMD Radeon RX 7000 series and previous-generation Radeon RX 6000 series graphics cards based on the RDNA3 architecture, as well as NVIDIA GeForce RTX 40-, RTX 30-, and RTX 20-series graphics cards.

As explained back then, AMD FSR 3 Fluid Motion is a frame-rate doubling technology that generates alternate frames by estimating an intermediate between two frames rendered by the GPU. While Frank did not specifically mention any game titles, back in August, AMD confirmed that Forsaken and Immortals of Aveum will be the first two titles with FSR 3 Fluid Motion support.

AMD FidelityFX SDK 1.0 Available Now

We are happy to share that our AMD FidelityFX Software Development Kit (SDK) is now available for download!

What is the AMD FidelityFX SDK?
The AMD FidelityFX SDK is our new and easy to integrate solution for developers looking to include AMD FidelityFX technologies into their games without any of the hassle of complicated porting procedures. In a nutshell, it is AMD FidelityFX graphics middleware.

Gigabyte Launches the Radeon RX 7600 GAMING OC 8G

GIGABYTE TECHNOLOGY Co. Ltd, a leading manufacturer of premium gaming hardware, today launches a new AMD Radeon RX 7600 graphics card powered by AMD RDNA 3 architecture. The GIGABYTE Radeon RX 7600 GAMING OC 8G graphics card is equipped with GIGABYTE's flagship WINDFORCE cooling system, providing unprecedented performance, visual effects, and efficiency for 1080p gaming and streaming experiences.

The GIGABYTE WINDFORCE cooling system is specifically designed for gamers. It features three unique blade fans with alternate spinning, composite copper heat pipes in direct contact with the GPU, 3D active fans and screen cooling that work together to provide efficient heat dissipation. The Alternate Spinning technology rotates the central fan in the opposite direction of the side fans, directing airflow in the same direction and doubling air pressure while reducing turbulence. This effectively dissipates heat from both the top and the bottom of the graphics card, resulting in improved overall cooling performance.

AMD FSR 2.2 for Unreal Engine now available on GPUOpen

Although it has already been available in some games, AMD's FidelityFX Super Resolution 2.2 is now available as an Unreal Plugin over on GPUOpen. AMD's FidelityFX Super Resolution 2 has been already used in some games ever since AMD released the source code for the technology, which includes the titles like Forza Horizon 5, Need For Speed Unbound, and F1 22, but implementation in various engines can take time, and now it is available as a plugin for Unreal Engine. AMD's FSR 2.2 brings several improvements including new logic that should reduce "High-Velocity Ghosting," an issue that usually plagues racing games. It also feature a new Debug API Checker, which should provide much easier debugging for developers.

AMD FidelityFX Super Resolution 2.1 Unveiled with Several Upscaler Changes to Improve Realism

AMD late Thursday unveiled the FidelityFX Super Resolution 2.1 (FSR 2.1) performance enhancement, which builds on the performance-quality gains of FSR 2.0, while improving the visual fidelity and correcting several kinds of upscaling artifacts visible to the keen eye. To begin with, it corrected ghosting issues with geometry carrying motion vectors not matching the underlying pixel colors, which were causing a "shimmering" effect. There are also changes to the disocclusion logic that let it detect disocclusions in areas with little depth separating objects, which again should address some ghosting issues.

Upscaled output quality has been improved by turning some upscaler computations from FP16 to FP32 (full-precision), which should improve color range and temporal stability of the upscaled image. Ghosting issues on transparent geometry has also been improved by updates to the reactive mask. Ghosting issues on geometry with motion vectors not matching underlying pixel colors have been addressed with improvements to the composition and transparency mask. AMD detailed FSR 2.1 in its GPUOpen page, and has made the software available to game developers. Any game currently implementing FSR 2.0 can release FSR 2.1 support through patches. The latest version 1.7.1 patch of Farming Simulator 2022 implements FSR 2.1.
AMD also put together a video presentation with Farming Simulator 2022, highlighting the improvements made with FSR 2.1.

AMD Fidelity FX Super Resolution 2.0 Coming to 5 New Games

May 12, 2022, was a big day for AMD FidelityFX Super Resolution (FSR) -- DEATHLOOP was the first game to be updated with FSR 2.0, and we were thrilled to see the incredible response to the next generation of our open-source upscaling technology. Now we are extremely excited to tell you that two more games have been updated to add support for FSR 2.0, Farming Simulator 22 by GIANTS Software and God of War by Santa Monica Studio and PlayStation Studios.

FSR 2.0 is the next-level AMD temporal upscaling technology designed to deliver similar or better than native image quality and boost framerates in supported games across a wide range of products and platforms. Along with the two new FSR 2.0 game updates above, five more games have now joined the list of upcoming FSR 2.0 titles - Abyss World, Hitman 3, Rescue Party: Live!, Super People, and The Callisto Protocol. In addition, more games have been updated to support FSR 1.0.

God of War Gets FSR 2.0 Support in Latest Patch

Sony today released the v1.0.2 patch for the PC release of "God of War," which adds support for AMD FidelityFX Super Resolution 2.0 (FSR 2.0). The latest performance enhancement by AMD lets you experience even higher image quality at a set performance level, or higher performance at a set quality level. It leverages temporal data to add detail to upscaled images, and in our testing with other games, was found to offer comparable quality and performance to NVIDIA DLSS 2.0. The latest v1.0.2 patch for "God of War" is now up on Steam.

Update 20:57 UTC: We've just posted our God of War FSR 2.0 Review.

AMD Set to Announce FSR 2.0 Featuring Temporal Upscaling on March 17th

AMD is preparing to announce their FidelityFX Super Resolution (FSR) successor tomorrow, on March 17th before a showcase of the technology at GDC 2022 as we previously reported on according to leaked slides obtained by VideoCardz. AMD FSR 2.0 will use temporal data and optimized anti-aliasing to improve image quality in all presents and resolutions compared to its predecessor making it a worthy component against NVIDIA DLSS 2.0. The slides also confirm that FSR 2.0 doesn't require dedicated machine learning hardware acceleration and will be compatible with a "wide range of products and platforms, both AMD and competitors".

The technology has been implemented in Deathloop where FSR 2.0 "Performance" mode with ray tracing increased frame rates from 53 FPS to 101 FPS compared to 4K native resolution with ray tracing. The slides do not reveal if AMD will make the source code for FSR 2.0 open-source as they have done for FSR and Intel is planning to do with XeSS. AMD is also expected to release Radeon Super Resolution which is an FSR driver implementation available for all games on March 17th.

AMD Potentially Preparing to Announce FSR 2.0 at GDC 2022

AMD is scheduled to hold an event discussing "Next-Generation Image Upscaling for Games" at the Game Developers Conference on March 23. The event only includes a brief description that "AMD will present some of the results of their research in the domain of next-generation image upscaling technology" but the developer of CapFrameX has recently claimed to see footage from FidelityFX Super Resolution (FSR) 2.0 so AMD may be preparing to announce the technology imminently.

The developer claims that FSR 2.0 switches to a temporal upscaling approach with optimized anti-aliasing that doesn't require AI acceleration unlike DLSS & XeSS meaning that it can work with GPUs from multiple vendors. The technology can also allegedly improve image quality beyond native resolution but we will need to wait for the official announcement and reviews before reaching any conclusions.

MSI Releases its Custom Radeon RX 6500 XT Graphics Card

MSI, a leading brand in True Gaming hardware, is proud to officially announce the MSI AMD Radeon RX 6500 XT MECH 2X graphics cards. The new graphics cards are designed to make incredible 1080p gaming experiences for popular AAA and e-sports titles accessible to more gamers than ever. Built upon the breakthrough AMD RDNA 2 gaming architecture, AMD Radeon RX 6500 XT graphics cards are engineered to deliver great gaming performance with remarkable efficiency. They offer high-bandwidth, low-latency AMD Infinity Cache and high-speed GDDR6 memory. They also support Microsoft Windows 11 and Microsoft DirectX 12 Ultimate, AMD FidelityFX Super Resolution (FSR) upscaling technology and other advanced features that provide visually stunning, high-refresh rate gaming experiences.

The MECH series makes its return with the MSI Radeon RX 6500 XT MECH 2X graphics card, now enhanced with the acclaimed MSI TORX FAN 3.0. The performance-focused MECH design provides the essentials to accomplish any task, whether it's for work or play. A powerful cooling system, a reinforcing backplate with a brushed finish, and a rigid industrial design make the MECH card suitable for any PC build.

AMD Rumored to Introduce Radeon Super Resolution (RSR) Upscale Tech in Early 2022

The image upscaling wars keep grassing, with AMD and NVIDIA claiming as many integrations as possible for their respective FSR (FidelityFX Super Resolution) and DLSS (Deep-Learning Super Sampling) technologies in a bid to achieve maximum market share for their respective technologies. While the entire world was now focusing on Intel's own addition to the image upscaling wars with its XeSS (XE SuperSampling) tech, AMD is apparently looking to introduce a new upscaling tech as early as January 2022. Enter Radeon Super Resolution (RSR).

Right off the bat, do not expect RSR to be AMD's answer to the perceived image quality advantage of NVIDIA's deep-learning-powered DLSS compared to AMD's more open (and cross-hardware compatible) FSR. Instead, AMD seems to be targeting RSR as a game-agnostic upscaling solution that's based on FSR, but which can be enabled at the Radeon driver level for any game that supports exclusive full-screen rendering. AMD is seemingly moving its image upscaling technique further up in the graphics pipeline, which should impact upscaling quality (as there's less information for the image upscaler to work with). What this does enable, however, is an agnostic solution that can be deployed in any game - provided you're rocking one of the two rumored architectures that will support RSR (RDNA and RDNA2, in the form of AMD's RX-5000 and RX-6000 series). Considering the expected release of RSR, it's likely that AMD will have an official announcement around CES 2022, despite the fact that the company won't be physically present due to COVID-19 and logistics concerns.

AMD FidelityFX Super Resolution (FSR) Plugin for Unreal Engine 4 Released

AMD released the FidelityFX Super Resolution (FSR) plugin for Unreal Engine 4, allowing game developers to integrate the performance enhancement technology with their games. A competing technology to NVIDIA DLSS, FSR lets gamers improve frame-rates of their games by trading off quality. At the higher "Quality" presets, this quality loss is supposed to be practically unnoticeable, but with significant improvements to frame-rates. We detailed how the technology works in our article that gets under its hood and evaluates performance. At its launch, AMD listed out a broad list of launch partners for the technology, but Unreal was a notable absentee. Over the following months, AMD appears to have worked toward bringing the tech to even UE4. The plugin is being distributed through AMD's GPUOpen portal.

DOWNLOAD: AMD FSR Plugin for Unreal Engine 4

AMD Radeon PRO V620 GPU Delivers Powerful, Multi-Purpose Data Center Visual Performance for Today's Demanding Cloud Workloads

AMD announced the AMD Radeon PRO V620 GPU, built with the latest AMD RDNA 2 architecture which delivers high-performance GPU acceleration for today's demanding cloud workloads including immersive AAA game experiences, intensive 3D workloads and modern office productivity applications at scale in the cloud.

With its innovative GPU-partitioning capabilities, multi-stream hardware accelerated encoders and 32 GB GDDR6 memory, the AMD Radeon PRO V620 offers dedicated GPU resources that scale to multiple graphics users, helping ensure cost-effective graphics acceleration for a range of workloads. Built using the same GPU architecture that powers the latest generation game consoles and PC game experiences, the AMD Radeon PRO V620 GPU is also designed to develop and deliver immersive AAA game experiences.

MSI Announces its Radeon RX 6600 XT Series

As a leading brand in True Gaming hardware, MSI is proud to officially announce the MSI AMD Radeon RX 6600 XT GAMING X and MECH 2X graphics cards. Equipped with AMD Radeon RX 6600 XT GPUs powered by the breakthrough AMD RDNA 2 gaming architecture, the new graphics are designed to deliver the ultimate in 1080p gaming for a wide range of enthusiast gamers.

Built upon AMD RDNA2 GAMING architecture, AMD Radeon RX 6600 XT series graphics cards are designed to deliver optimal performance and power efficiency. These new graphics cards support the latest technologies, including DirectX Raytracing (DXR), variable rate shading (VRS), and AMD FidelityFX, allowing gamers to experience realistic lighting, shadows, and reflections with rich detail in supported game titles.

Arcadegeddon Receives AMD FidelityFX Super Resolution Support on PlayStation 5

The first console game to receive AMD FidelityFX Super Resolution (FSR) support appears to be the cooperative shooter Arcadegeddon on the PlayStation 5. AMD FSR support is currently limited to a handful of PC titles but we expect the list to grow quickly given the integration of the technology into Unity, Unreal Engine, and the Xbox Game Development Kit. Sony hasn't publically confirmed that AMD FSR has been integrated into the PlayStation SDK however after this recent announcement the addition seems likely. The integration of AMD Super Resolution technology into these development tools will enable much faster integration of the feature into new and existing titles.

AMD FidelityFX FSR Source Code Released & Updates Posted, Uses Lanczos under the Hood

AMD today in a blog post announced several updates to the FidelityFX Super Resolution (FSR) technology, its performance enhancement rivaling NVIDIA DLSS, which lets gamers dial up performance with minimal loss to image quality. To begin with, the company released the source code of the technology to the public under its GPUOpen initiative, under the MIT license. This makes it tremendously easy (and affordable) for game developers to implement the tech. Inspecting the source, we find that FSR relies heavily on a multi-pass Lanczos algorithm for image upscaling. Next up, we learn that close to two dozen games are already in the process of receiving FSR support. Lastly, it's announced that Unity and Unreal Engine support FSR.

AMD broadly detailed how FSR works in its June 2021 announcement of the technology. FSR sits within the render pipeline of a game, where an almost ready lower-resolution frame that's been rendered, tone-mapped, and anti-aliased, is processed by FSR in a two-pass process implemented as a shader, before the high-resolution output is passed on to post-processing effects that introduce noise (such as film-grain). HUD and other in-game text (such as subtitles), are natively rendered at the target (higher) resolution and applied post render. The FSR component makes two passes—upscaling, and sharpening. We learn from the source code that the upscaler is based on the Lanczos algorithm, which was invented in 1979. Media PC enthusiasts will know Lanczos from MadVR, which has offered various movie upscaling algorithms in the past. AMD's implementation of Lanczos-2 is different than the original—it skips the expensive sin(), rcp() and sqrt() instructions and implements them in a faster way. AMD also added additional logic to avoid the ringing effects that are often observed on images processed with Lanczos.
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