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AMD VA-API encoding latency

As of this writing (2024-05), VA-API has no support for AMD's low-latency encoding mode. This is problematic for ultra low-latency applications like realtime game-streaming as implemented by Sunshine.

As a temporary fix, Mesa can be patched to unconditionally use the low-latency optimizations. This entails a higher power consumption and may not be suitable for all applications.

Patching Mesa for Ubuntu

I'm providing a basic shell script to re-build Ubuntu's Mesa from the official source .debs with the necessary patch. It has only seen some light testing (22.04 only) and is provided without support. For my own usage I'm executing this script in a throw-away Incus container based on Ubuntu 22.04. The script does not clean up after itself (i.e. no purging of build dependencies etc.). **Make sure to valid

Fire TV Stick 4K Firmware

Date	Version	Download	MD5
2019-08-20	Fire OS 6.2.6.5 (NS6265/2157)	update-kindle-mantis-NS6265_user_2157_0002852679044.bin	09289b141c8339fe675cb0204689071f
2019-10-09	Fire OS 6.2.6.6 (NS6266/2292)	update-kindle-mantis-NS6266_user_2292_0003054040196.bin	253162813010472bb8d54fc8b8eb7b80
2019-11-02	Fire OS 6.2.6.8 (NS6268/2315)	[update-kindle-mantis-NS6268_user_2315_0003255372676.bin](https://d1s31zyz7dcc2d.cloudfront.net/5188853d0c8dd0c460b31b985065e071/update-kindle-mantis-NS6268_user_2315_0003255372676

GPU Optimization for GameDev

Graphics Pipeline / GPU Architecture Overview

2011 - A trip through the Graphics Pipeline 2011
2015 - Life of a triangle - NVIDIA's logical pipeline
2015 - Render Hell 2.0
2016 - How bad are small triangles on GPU and why?
2017 - GPU Performance for Game Artists
2019 - Understanding the anatomy of GPUs using Pokémon
2020 - GPU ARCHITECTURE RESOURCES

If you want to setup the official GeforceNow app on Linux for gaming, use:

flatpak install -y --user flathub org.freedesktop.Sdk//24.08 org.freedesktop.Platform//24.08
flatpak remote-add --user --if-not-exists GeForceNOW https://international.download.nvidia.com/GFNLinux/flatpak/geforcenow.flatpakrepo
flatpak install -y --user GeForceNOW com.nvidia.geforcenow
flatpak run com.nvidia.geforcenow
If you are on Wayland and the Window doesn't open: flatpak override --user --nosocket=wayland com.nvidia.geforcenow, then launch again.

Alternatively:

	Setting, DefaultValue, INIValue, CurrentValue, Origin
	fSpatialGraphSpaceCollectionGridDistance:Pathfinding, 15000.000000, 15000.000000, 15000.000000, INI
	fSpatialGraphSpaceCollectionGridUpdateDistance:Pathfinding, 500.000000, 500.000000, 500.000000, INI
	bMergeInstStatCol:Packin, True, True, True, INI
	bSkipFurnitureMarkerVisualization:AI, False, False, False, INI
	bShowFurnitureEntryMarkers:AI, True, True, True, INI
	bShowFurnitureExitMarkers:AI, True, True, True, INI
	bShowFurnitureMarkersForSelectedOnly:AI, False, False, False, INI
	bPlanetContentLogDiffing:Planet, False, False, False, INI
	bDebugCombatCoverReservations:Combat, False, False, False, INI

	Setting, DefaultValue, INIValue, CurrentValue, Origin
	sScreenShotBaseName:Display, <unimplemented>, <unimplemented>, <unimplemented>, INI
	sScreenShotFolderName:Display, <unimplemented>, <unimplemented>, <unimplemented>, INI
	sRuntimeLODDatabasePath:LODManager, <unimplemented>, <unimplemented>, <unimplemented>, INI
	strPluginsFileHeader:General, <unimplemented>, <unimplemented>, <unimplemented>, INI
	sLanguage:General, <unimplemented>, <unimplemented>, <unimplemented>, INI
	sFailureMessage:LANGUAGE, <unimplemented>, <unimplemented>, <unimplemented>, INI
	sResourcePrefixList:Archive, <unimplemented>, <unimplemented>, <unimplemented>, INI
	sDLCDefaultVoiceSuffix:Archive, <unimplemented>, <unimplemented>, <unimplemented>, INI
	sLocalMasterPath:General, <unimplemented>, <unimplemented>, <unimplemented>, INI

	#!/bin/bash

	##
	## Session globals
	##
	# unset DISPLAY
	export XDG_CURRENT_DESKTOP=gamescope # necessary for ryujinx to render properly

	export SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS=0

	#!/bin/bash

	# Fix intel color corruption
	# might come with some performance degradation but is better than a corrupted
	# color image
	export INTEL_DEBUG=norbc

	# Some environment variables by default (taken from Deck session)
	export SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS=0

	{
	"groups": {
	"ikev2": [
	{
	"name": "ikev2",
	"ports": [
	500,
	4500
	]
	}