id Tech 7

id Tech 7 is a multiplatform proprietary game engine developed by id Software. As part of the id Tech series of game engines, it is the successor to id Tech 6. The software was first demonstrated at QuakeCon 2018 as part of the id Software announcement of Doom Eternal.[1][2][3]

id Tech 7
Developer(s)id Software
Written inC++
Platform
Predecessorid Tech 6
LicenseProprietary
Websiteidsoftware.com

Technology

id Tech 7 features ten times the geometric detail, and higher texture fidelity of id Tech 6.[4] Moreover the capabilities of the game engine allow it to have a new system called "Destructible Demons", in which enemies' bodies become progressively destroyed and deteriorated in combat as they suffer damage. On PC, id Tech 7 supports Vulkan rendering only.[5] Ray tracing and DLSS were added in June 2021. According to engine developer Axel Gneiting, the engine doesn't have a "main thread"; everything is implemented as jobs.[6]

Improvements in comparison to id Tech 6
  • 1 million fewer lines of code, due in part to the removal of the OpenGL render-engine[7]
  • Unified HDR lighting and shadowing[7]
  • Full HDR-support on PS4, PS4 Pro, PS5, Xbox One S, Xbox One X, Xbox Series S, Xbox Series X, PC and Stadia[8][9]
  • Multi PBR material compositing, blending, and painting[7]
  • Increased texture fidelity and geometric detail due to removal of MegaTexture pipeline, used since id Tech 4[7][10]
  • Enhanced global illumination quality[7]
  • Majorly improved particle system as more particles are running on the GPU, which allows for bigger explosions, more atmospheric volumetrics and more vibrant particle effects[11]
  • The framerate limit has been increased to 1000 FPS. The frame limit was 250 FPS in id Tech 6.[11]
  • Rewritten jobs-system to use all available CPU-cores more efficiently[11]
  • Improved post-processing effects, including more detailed anti-aliasing and enhanced motion blur[11]
  • Support for gameplay areas twice the size of those in id Tech 6[10]
  • Improved image streaming[12]
  • Expanded decal system[12]
  • Improved LOD system[12]
  • New GPU triangle-, light- and occlusion-culling system to not render what isn't on-screen[12]
  • Dramatically improved compression[12]
  • Improved level loading times, including after death screens[12]
  • DLSS 2.3.0
  • Ray-traced reflections on PlayStation 5, Xbox Series X (not available on Xbox Series S) and PCs with hardware accelerated ray tracing[13]
  • Variable rate shading on Xbox Series X and Xbox Series S[13]

Game using id Tech 7

See also

References
  1. Machkovech, Sam (August 10, 2018). "Doom Eternal ushers in idTech 7, bloody new powers". Ars Technica. Retrieved August 10, 2018.
  2. Birch, Nathan (August 10, 2018). "Doom Eternal Unleashes Bloody Debut Gameplay at QuakeCon". Wccftech. Retrieved August 12, 2018.
  3. Papadopoulos, John (August 10, 2018). "DOOM Eternal tech details: id Tech 7 can display 10 times higher geometric detail, demons will be destructible". DSOG – Dark Side of Gaming. Retrieved August 11, 2018.
  4. "DOOM Eternal tech details: id Tech 7 can display 10 times higher geometric detail, demons will be destructible | DSOGaming | The Dark Side Of Gaming". www.dsogaming.com. August 10, 2018. Retrieved August 11, 2018.
  5. Khan, Billy [@billykhan] (August 11, 2018). "Yes, it's #Vulkan only on PC. #Vulkan is the best API if you want to achieve the absolute highest frame rates on PC" (Tweet). Retrieved August 12, 2018 – via Twitter.
  6. Gneiting, Axel [@axelgneiting] (March 21, 2020). "Fun fact: Doom Eternal does not have a main or render thread. It's all jobs with one worker thread per core" (Tweet). Retrieved January 4, 2021 – via Twitter.
  7. GDC 2019 Developer Session: First Light – Bringing DOOM to Stadia, Google Stadia, April 12, 2019, archived from the original on June 24, 2021, retrieved May 16, 2019
  8. Sousa, Tiago [@idSoftwareTiago] (February 28, 2020). "@Smurfman256 @billykhan @axelgneiting @idJeanGeffroy @philiphammer0 y, literally all platforms" (Tweet). Retrieved January 4, 2021 – via Twitter.
  9. Khan, Billy [@billykhan] (March 10, 2020). "HDR is available on PS4, PS4 PRO, XB1S, XB1X, PC and Stadia. Unfortunately, the hardware of the original XB1 does not support HDR" (Tweet). Retrieved February 28, 2020 – via Twitter.
  10. Doom Eternal Engine Upgrades: id Software Reveals New Details!, Digital Foundry, January 25, 2020, retrieved January 25, 2020
  11. "DOOM Eternal: How id Tech 7 Is Maximized for Current Tech and Next-Gen", IGN First, IGN, February 28, 2020, retrieved February 28, 2020
  12. Doom Eternal – The Digital Foundry Tech Review – id Tech 7 Is Incredible, Digital Foundry, March 21, 2020, retrieved March 21, 2020
  13. Boyle, Joshua (June 29, 2021). "DOOM Eternal - Next Gen & Update 6 Release Notes". Bethesda Slayer Club.
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