Valve introduced foveated rendering to Half-Life: Alyx on PC, giving players a way to reduce graphics work outside their direct line of sight, MIXED News reported on October 26, 2026. The new optional feature is switched off by default and provides existing PC VR players with another setting to try before turning down the game’s overall image quality.
Performance Features and Hardware Requirements
Valve states that the feature can improve rendering performance and recommends enabling headset eye tracking for the best results. The desktop option appears under Advanced Performance on supported hardware. According to the setup guide linked from Valve’s announcement, the graphics card determines whether a player needs Vulkan. Compatible hardware ranges from Nvidia GTX 16-series and RTX 20-series or newer, AMD RX 6000-series or newer, up to Intel Arc A-series or newer. On Windows, the default Direct3D 11 renderer supports the feature only on the listed Nvidia cards, while AMD and Intel owners need Vulkan. To use Vulkan in Steam, players must open the game’s Properties, enter -vulkan under Launch Options, and restart the game. Linux systems already use Vulkan.
Configuration and Additional Fixes
The in-game toggle is located under Options, Performance, and then the gear icon for Advanced Performance. While gaze-directed rendering works without eye tracking, the headset’s SteamVR driver is still required to expose it. Steam Link configuration on the PC needs to permit eye-tracking data sharing, and users of Steam Frame should turn on Eye Tracking inside VR Settings. In addition, the October 26 update improves reprojection quality when the game runs natively on Steam Frame using stencil-buffer tagging, which is separate from the new desktop toggle. The same patch also repairs Workshop crashes, fixes several rendering crashes common in Workshop content, and resolves a problem that prevented some players from unlocking the Gnome Alone achievement.
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