# NVIDIA NVK Driver Lands Improvement To Help With Valve's Gamescope

DevFeed: [NVIDIA NVK Driver Lands Improvement To Help With Valve's Gamescope](<https://devfeed.tech/articles/nvidia-nvk-driver-lands-improvement-to-help-with-valve-s-gamescope-12421.md>)

Original publisher: [Read original article](<https://www.phoronix.com/news/NVIDIA-NVK-BAR-Host-Cached>)

Author: Michael Larabel

Published: 2026-09-10T11:17:47Z

Content type: news

Language: en

Sources: [Phoronix](<https://devfeed.tech/sources/phoronix.md>)

Topics: [Nvidia](<https://devfeed.tech/topics/nvidia.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>)

Tags: [desktop-linux](<https://devfeed.tech/tags/desktop-linux.md>), [driver](<https://devfeed.tech/tags/driver.md>), [linux-benchmarking](<https://devfeed.tech/tags/linux-benchmarking.md>), [linux-hardware-benchmarks](<https://devfeed.tech/tags/linux-hardware-benchmarks.md>), [linux-hardware-reviews](<https://devfeed.tech/tags/linux-hardware-reviews.md>), [linux-how-to](<https://devfeed.tech/tags/linux-how-to.md>), [linux-performance](<https://devfeed.tech/tags/linux-performance.md>), [linux-server-benchmarks](<https://devfeed.tech/tags/linux-server-benchmarks.md>), [nvidia](<https://devfeed.tech/tags/nvidia.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [open-source-graphics](<https://devfeed.tech/tags/open-source-graphics.md>), [performance](<https://devfeed.tech/tags/performance.md>), [phoronix](<https://devfeed.tech/tags/phoronix.md>), [phoronix-test-suite](<https://devfeed.tech/tags/phoronix-test-suite.md>), [release](<https://devfeed.tech/tags/release.md>), [remote](<https://devfeed.tech/tags/remote.md>), [ubuntu-benchmarks](<https://devfeed.tech/tags/ubuntu-benchmarks.md>), [ubuntu-hardware](<https://devfeed.tech/tags/ubuntu-hardware.md>), [vulkan](<https://devfeed.tech/tags/vulkan.md>)

## AI overview

An improvement to the open-source NVIDIA NVK Vulkan driver exposes BAR memory as host cached, helping Valve's Gamescope select suitable memory for mappable allocations. The change is expected to improve game recording and remote play performance and is targeted for Mesa 26.3, with possible backporting to Mesa 26.2.

## Source excerpt

Merged today for next quarter's Mesa 26.3 release is an improvement for the open-source NVIDIA "NVK" Vulkan driver paired with the Nouveau kernel driver. This latest NVK improvement benefits usage of Valve's Gamescope micro-compositor and should help with performance during game recording and remote play...