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sed models to generate an intermediate frame based off two already rendered frames amd rdna 4 fsr ray regeneration neural network based real time denoiser this algorithm uses machine learning based models to denoise ray traced surfaces amd rdna 4 fsr radiance caching technical preview neural network based radiance caching this algorithm uses machine learning based models to approximate indirect radiance in path traced scenes reducing the number of required ray calculations amd rdna 4 fidelityfx super resolution edit fidelityfx super resolution fsr is a real time rendering technology suite there are multiple versions of fsr with distinctive techniques fsr 1 is a spatial upscaler based on or similar to the lanczos algorithm requiring an anti aliased lower resolution image it also performs edge reconstruction and gradient reversal this is then followed by a contrast adaptive sharpening pass rcas to reintroduce detail into the final image amd states fsr is composed of two main passes an upscaling pass called easu edge adaptive spatial upsampling that also performs edge reconstruction in this pass the input frame is analyzed and the main part of the algorithm detects gradient reversals essentially looking at how neighboring gradients differ from a set of input pixels the intensity of the gradient reversals defines the weights to apply to the reconstructed pixels at display resolution a sharpening pass called rcas robust contrast adaptive sharpening that extracts pixel detail in the upscaled image 12 fsr 2 is a temporal upscaler based on a modified lanczos requiring an aliased lower resolution image and utilising the temporal data such as motion vectors and frame history and then applies its own antialiasing pass which replaces the game s built in antialiasing solution fsr 3 adds frame generation and native antialiasing frame generation increases the perceived frame rate of a game native antialiasing similar to nvidia s dlaa can be used without upscaling for improved antialiasing it can also be combined with frame generation and anti lag 13 14 fsr redstone formerly marketed as fsr 4 is a rendering suite that uses machine learning based models for upscaling frame generation ray regeneration and radiance caching 15 16 17 release history release a release date highlights 1 0 1 0 1 jun 2021 fidelityfx super resolution fsr launch source code available july 2021 18 19 1 0 2 nov 2021 robust contrast adaptive sharpening rcas oversharpening hotfix 20 1 1 jul 2023 available as part of fidelityfx sdk 21 2 0 1 2 0 1a mar 2022 fidelityfx super resolution 2 0 fsr 2 launch source code available june 2022 22 23 2 1 0 sep 2022 reduced ghosting and improved upscaling quality farming simulator 2022 was one of early adopters with patch 1 7 1 24 2 1 1 sep 2022 25 2 1 2 oct 2022 26 2 2 0 2 2 0a nov 2022 hdr range improvements ghosting and flickering artefacts reduction source code available february 2023 27 2 2 1 jun 2023 28 2 2 2 jul 2023 available as part of fidelityfx sdk 21 29 3 0 3 0 3 sep 2023 fsr 3 adds frame generation combined with fsr 2 and anti lag and supports gpus from amd nvidia and intel fsr 3 is also compatible with the ninth generation of video game consoles 13 source code available december 2023 as part of fidelityfx sdk 30 3 0 4 mar 2024 31 3 1 0 jun 2024 reduced ghosting flickering and shimmering and improved temporal stability decoupled frame generation from upscaling made source file easily upgradable for developers vulkan and xbox game development kit gdk support source code available july 2024 as part of fidelityfx sdk 1 1 32 fsr redstone fsr upscaling 4 0 2 aug 2025 introduced a machine learning based algorithm to increase the resolution of an image based off an input image 33 fsr upscaling 4 0 3 dec 2025 fixing a rendering error when surface dimensions are not multiples of 8 34 fsr frame generation 4 0 0 dec 2025 introduced a machine learning based frame interpolation algorithm 34 fsr ray regeneration 1 0 0 dec 2025 introduced a machine learning based real time denoiser for ray traced workloads 16 35 fsr radiance caching 0 9 0 preview dec 2025 machine learning based radiance caching technique that approximates indirect lighting in path traced scenes to reduce ray sampling requirements preview 17 36 the standard presets for fsr by amd can be found in the table below note that these presets are not the only way in which the algorithm can be used they are simply presets for input output resolutions certain titles such as dota 2 offer resolution sliders to fine tune the scaling percentage or dynamically scaling the internal render resolution depending on the fps cap amd has also created a command line interface tool which allows the user to upscale any image using fsr1 easu as in addition to other upsampling methods such as bilinear interpolation it also allows the user to run various stages of the fsr pipeline such as rcas independently 37 standard fsr presets 38 39 40 quality preset b scale factor c render scale d native aa since v3 0 1 00 100 ultra quality v1 0 only 1 30 77 0 quality 1 50 66 6 balanced 1 70 58 8 performance 2 00 50 0 ultra performance since v2 0 3 00 33 3 fsr 2 can also be modded into nearly any game supporting dlss by swapping the dlss dll with a translation layer dll that maps the dlss api calls to fsr 2 api calls 41 fsr versions stated in italic present hotfixes or minor updates the algorithm does not necessarily need to be implemented using these presets it is possible for the implementer to define custom input and output resolutions the linear scale factor used for upsampling the input resolution to the output resolution for example a scene rendered at 540p with a 2 00x scale factor would have an output resolution of 1080p the linear render scale compared to the output resolution that the technology uses to render scenes internally before upsampling for example a 1080p scene with a 50 render scale would have an internal resolution of 540p frame generation edit fsr 3 adds frame generation a technique that creates new frames in between existing ones by using motion interpolation launching in september 2023 fsr 3 uses a combination of fsr 2 and optical flow analysis which runs using asynchronous compute as opposed to nvidia s dlss 3 which uses dedicated hardware because fsr 3 uses a software based solution it is compatible with gpus from amd nvidia and intel as well as the ninth generation of video game consoles to combat additional latency inherent to the frame generation process amd has a driver level feature called anti lag which only runs on amd gpus 13 fsr redstone adds a machine learning based approach to generate frames 42 amd fluid motion frames afmf is a driver level frame generation technology launching in q1 2024 which is compatible with all directx 11 and directx 12 games however it runs on rdna 2 and rdna 3 gpus afmf uses optical flow analysis but not motion vectors so it can only interpolate a new frame between two traditionally rendered frames afmf currently is not compatible with vsync 13 tools edit the official amd directory lists 43 name source code api os task codexl codexl direct3d opengl opencl vulkan linux windows software development tool suite that includes a gpu debugger a gpu profiler a cpu profiler a static opencl kernel analyzer and various plugins 44 static analyzer for amd codexl amd codexl analyzer direct3d opengl opencl linux windows 64bit off line compiler and performance analysis cli tool for processing opencl kernels hlsl shaders and glsl shaders part of the amd codexl tools suite requires either radeon software crimson edition or amd catalyst to be installed to run this tool 45 d3d 12 plug in for gpu perfstudio amd gpuperfstudio dx12 direct3d 12 windows a plug in to gpu perfstudio gpu perfstudio 46 tootle amd tootle agnostic linux windows triangle order optimization tool originally developed in 2006 can be easily integrated as part of a rendering or mesh pre processing tool chain 47 cf http mgarland org files papers quadrics pdf having been released by ati technologies under the bsd license in 2006 hlsl2glsl is not part of gpuopen whether similar tools for spir v will be available remains to be seen as is the official release of the vulkan api itself source code that has been defined as being part of gpuopen is also part of the linux kernel e g amdgpu and amdkfd 48 mesa 3d and llvm software development kits edit name source api os task advanced media framework amf sdk github directx 12 linux windows 64 bit light weight portable multimedia framework that abstracts away most of the platform and api specific details amd gpu services ags sdk github directx windows 64 bit liquidvr sdk github direct3d 11 windows improves the smoothness of virtual reality 49 the aim is to reduce latency between hardware so that the hardware can keep up with the user s head movement eliminating the motion sickness a particular focus is on dual gpu setups where each gpu will now render for one eye individually of the display radeon machine learning rml sdk github directx 12 metal opencl linux os x windows radeon prorender sdk formerly firerender github opencl linux macos windows physically based rendering engine radeonrays sdk formerly firerays github directx 12 vulkan linux 64 bit os x windows 64 bit a high efficiency high performance heterogeneous ray tracing intersection library for gpu and cpu or apu on any platform rapidfire sdk github directx opengl windows facilitates the use of amd s video compression acceleration sip blocks vce h 264 encoder and uvd h 264 decoder for cloud gaming off site rendering true audio next tan sdk github opencl windows 64 bit sdk for radeon gpu accelerated and multi core high performance audio signal processing professional compute edit this section needs to be updated please help update this article to reflect recent events or newly available information january 2022 as of 2022 amd compute software ecosystem is regrouped under the rocm metaproject amd boltzmann initiative amdgpu linux kernel 4 2 and amdkfd linux kernel 3 19 software around heterogeneous system architecture hsa general purpose computing on graphics processing units gpgpu and high performance computing hpc radeon open compute rocm edit main article rocm amd s boltzmann initiative named after ludwig boltzmann was announced in november 2015 at the supercomputing15 50 51 52 53 54 and productized as the radeon open compute platform rocm it aims to provide an alternative to nvidia s cuda which includes a tool to port cuda source code to portable hip source code which can be compiled on both hcc and nvcc radeon open compute kernel rock driver radeon open compute runtime rocr runtime hcc heterogeneous compute compiler hip c heterogeneous compute interface for portability heterogeneous system architecture edit main article heterogeneous system architecture hsail gdb provides an gnu debugger based debugging environment for hsa intermediate layer hsail hsa runtime apis linux amdkfd v1 6 1 release for kaveri carrizo various deprecated edit clfft library for fast fourier transform written in opencl hcfft library for fast fourier transform written in hcc optimized c availability edit gpuopen are available under the mit license to the general public through github starting on january 26 2016 4 there is interlocking between gpuopen and well established and widespread free software projects e g linux kernel mesa 3d and llvm see also edit rocm amd codexl mantle vulkan dlss nvidia s competitor to fsr xess intel s competitor to fsr references edit amd gpuopen 2016 01 26 welcome to gpuopen archived from the original on 2016 03 05 1 2 3 tom s hardware 2015 12 15 amd gpuopen doubling down on open source development retrieved 2016 01 24 maximum pc 2015 12 15 amd radeon technologies group summit gpuopen and software retrieved 2016 01 24 1 2 3 anandtech 2015 12 15 amd s gpuopen bundle of developer tools in 2016 archived from the original on december 17 2015 retrieved 2016 01 24 heinz heise 2015 12 16 amds open source initiative gpuopen direkte gpu kontrolle und bessere treiber in german pc games hardware in german 2015 12 16 amd gpu open radeon software wird bald zu 100 open source pc games hardware in german thibieroz nicolas january 26 2016 it s time to open up the gpu gpuopen archived from the original on 2016 03 05 moammer khalid december 15 2015 amd s answer to nvidia s gameworks gpuopen announced wccftech retrieved 2016 01 24 hothardware 2015 12 15 amd goes open source announces gpuopen initiative new compiler and drivers for linux and hpc retrieved 2016 01 24 gpuopen effects github fidelityfx github 20 october 2021 amd fidelityfx super resolution 1 fsr 1 amd gpuopen retrieved 2024 05 25 1 2 3 4 amd reveals long awaited fsr 3 tech and frame gen for every dx11 dx12 game eurogamer 25 august 2023 retrieved 6 september 2023 fsr 3 is a frame generation solution that operates along similar lines to nvidia s dlss 3 combining frame generation fluid motion frames with super resolution upscaling fsr 2 and latency reduction anti lag in a small number of supported games with forspoken and immortals of aveum set to first debut the technology fsr 3 will work on radeon graphics cards as well as nvidia and intel gpus amd claims there s nothing stopping starfield from adding nvidia dlss the verge 24 august 2023 retrieved 6 september 2023 amd fsr technologies gpuopen advanced micro devices retrieved 24 february 2026 1 2 cite error the named reference amd fsr rayregeneration was invoked but never defined see the help page 1 2 cite error the named reference amd fsr radiancecaching was invoked but never defined see the help page amd fidelityfx super resolution is coming soon to gpuopen amd gpuopen amd gpuopen june 1 2021 retrieved march 21 2023 fidelityfx super resolution fsr source code is here along with unity and ue4 support too amd gpuopen amd gpuopen july 15 2021 retrieved march 21 2023 sommefeldt rys november 16 2021 release fidelityfx fsr v1 0 2 gpuopen effects fidelityfx fsr github github retrieved march 23 2023 1 2 the amd fidelityfx sdk 1 0 is now available on gpuopen amd gpuopen amd gpuopen july 11 2023 retrieved september 11 2023 it s time for amd fidelityfx super resolution 2 0 amd gpuopen amd gpuopen march 17 2022 retrieved march 23 2023 it s time to see the fsr 2 source code amd gpuopen amd gpuopen june 22 2022 retrieved march 23 2023 it s time to upscale fsr 2 even further meet fsr 2 1 amd gpuopen amd gpuopen september 8 2022 retrieved march 23 2023 sommefeldt rys september 15 2022 release fidelityfx fsr2 v2 1 1 gpuopen effects fidelityfx fsr2 github github retrieved march 23 2023 sommefeldt rys october 19 2022 release fidelityfx fsr2 v2 1 2 gpuopen effects fidelityfx fsr2 github github retrieved march 23 2023 don t cross the streams bust more ghosts with the source code to fidelityfx super resolution 2 2 amd gpuopen amd gpuopen february 16 2023 retrieved march 23 2023 amd fidelityfx super resolution 2 2 1 hot...