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gamescope
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The Linux graphics stack in a nutshell, part 1
I think your information is quite outdated. The HWC overlay planes are heavily used, you can see this trivially just doing a 'dumpsys SurfaceFlinger' or grabbing a systrace/perfetto trace. When it falls back to GPU composition it's very obvious as there's a significant hit to latency and more GPU contention.
The overlay capabilities of the modern Snapdragons are also quite absurd. They support like upwards of a dozen overlays now and even have FP16 extended sRGB support. Some HWCs (like the one in the steam deck) even have per plane 3D LUTs for HDR tone mapping (ex https://github.com/ValveSoftware/gamescope/blob/master/src/d... )
The composition is bandwidth heavy of course, but for static scenes there's a cache after the HWC in the form of panel self refresh.
- Gamescope -- How do I get this to work on Endeavouros?
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Firefox Is Going to Try and Ship with Wayland Enabled by Default
One of the unfortunate things about Wayland is every compositor will have its own quality of implementation affecting things like latency.
With XOrg, especially in the pre-compositing days, you could choose whatever WM you want and it wouldn't have any impact on the rendering performance of X clients. Once the Composite extension was added and everyone started running composited X desktops, that started to change, and the increased latency already started appearing - in an arguably worse architecture than Wayland because there were often three processes involved with lots of IPC per draw: X-Client->X-Server->X-Compositor->X-Server->CRTC. At least in Wayland it's more like Wayland-Client->Wayland-Compositor->CRTC.
If you're unhappy with the rendering latency of your Wayland sessions, it may be worth trying alternative compositors... they likely vary significantly. The Valve/Steam folks have made a minimal one specifically optimized for games/low-latency [0]. I doubt the SteamDeck would be seeing as much success as it is if Wayland were so problematic in this department.
[0]: https://github.com/ValveSoftware/gamescope
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BG3 splitscreen on two monitors?
Use gamescope.
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Help needed to confirm two 3.5 bugs
While streaming from the Deck to another device (phone with Steam Link app or another PC running steam), taking a screenshot on the Deck (hold the steam or ... button, and press R1) crashes the session (https://github.com/ValveSoftware/gamescope/issues/961). This one also impacts Decky Recorder. If you're recording the screen or have replay mode on and take a screenshot, you'll have a crash.
- I haven't seen much posted about it here, so I wanted to point out Valve's gamescope micro-compositor (Linux Gaming)
- Gamescope adds support for Reshade effects
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Force V-Sync or limit fps in proton games
Mangohud (GOverlay), libstrangle, gamescope. Pick your poison.
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FYI on video corruption in cmd and terminal windows
Hey folks. I've got a 11900H motherboard and use the iGPU and stock Intel graphics drivers that I keep current. Even at baseline (so without overclocking of any kind, with good Corsair memory sticks configured without XMP and regardless of voltage), I would be able to use Windows 11 and the CMD or Terminal programs without issue but after some time they would be corrupt and unreadable. The fix was in Terminal, go into Settings, then Render, and turn on Software Rendering. I hope this helps someone else. FYI the corruption was very much like other Intel UHD graphics samples reported in this link: https://github.com/ValveSoftware/gamescope/issues/356
docs
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Cant get battlenet to work :(
Hey! So I'm a new linux user and wanted to try and get battlenet to work so i can play a bit of wow classic. Ive looked around on on other post like this and first tried getting it to work with lutris. I installed the drivers and wine compabilities from https://github.com/lutris/docs and easily got battlenet installed but after i close it (before logging in) i cant start the program again. Lutris just gets stuck on the launching icon. I then installed bottles and tried launching it from there and the login screen just pops up and closes for barely a second. After running it with bottles the terminal shows a few errors posted below. I really have no clue where ive gone wrong but ive been stuck with this for hours so any help would be incredibly appreciated
- Help with AMD RX-7800 XT driver installation on Ubuntu please
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Lutris (Linux Mint, Wine)
Making sure you are using the latest version of Mint (21.2 as I write) is key for the next piece - you need to enable 32 bit libraries and install the vulkan and wine dependencies to make things work well. This is the wine link and this is the drivers link. If you are not running the 21.2 Mint, the warning on the drivers page is there for you - you need to manually fix a file after adding the kisak ppa on 21.1 to allow the 32 bits vulkan and mesa to install.
- Cách cài game trên Linux Desktop bằng Lutris
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World of Warcraft with Debian?
Instructions to install 32 bits libraries dependencies
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I can't install the Vulkan libraries that I need for my i386-architecture (Debian)
Now I get the message that Vulcan libraries are missing and I should download them following this guide: https://github.com/lutris/docs/blob/master/InstallingDrivers.md
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Constant "return code 256" when trying to install the Ubisoft Connect launcher (and any other launcher) on Lutris
Reinstalling all wine dependencies stated on Lutris' Github with no luck
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Vulcan Drivers
I am trying to launch rainbow 6 siege though proton after installing the vulcan drivers as recomended by lutris here: https://github.com/lutris/docs/blob/master/InstallingDrivers.md
- "How to Install and Play Ubisoft Connect Games on Linux - Step by Step Guide"
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Trying to install battlenet/SC2 with lutris, nothing happens
I'm trying to install battlenet and SC2 on my computer. I installed Wine, dependencies then Lutris as explained there : https://github.com/lutris/docs/blob/master/Battle.Net.md
What are some alternatives?
gamescope-session - ChimeraOS session on Gamescope - Own personal repository, issues and forks should be made on ChimeraOS/gamescope-session
dxvk-async
gamemode - Optimise Linux system performance on demand
vkBasalt - a vulkan post processing layer for linux
holoiso - SteamOS 3 (Holo) archiso configuration
lutris - Lutris desktop client
MangoHud - A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more. Discord: https://discordapp.com/invite/Gj5YmBb
HeroicGamesLauncher - A Native GUI Epic Games Launcher for Linux [Moved to: https://github.com/Heroic-Games-Launcher/HeroicGamesLauncher]
sway - i3-compatible Wayland compositor
archweb - Arch Linux website code
LatencyFleX - Vendor agnostic latency reduction middleware. An alternative to NVIDIA Reflex.
protontricks - A wrapper that does winetricks things for Proton enabled games, requires Winetricks.