I forgot i had git setup

.gitignore

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+older-packages
+*.pkg.*
+src

PKGBUILD

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+# Maintainer: Marc barbier
+pkgname=game-runner
+pkgver=2.2
+pkgrel=1
+pkgdesc="Simple wrapper around envycontrol and optimus manager"
+arch=('any')
+url=''
+license=('GPL2')
+source=( 'gamerunner.sh'  'gamerunner.cfg' )
+backup=( 'etc/gamerunner.cfg' )
+optdepends=('optimus-manager: optimus-manager support'
+            'envycontrol: envycontrol support'
+            'supergfxctl: supergfxctl support' )
+
+sha512sums=(
+	'b073f717f83942dbb90a98e557b4e32a9e8d0ac1ebb94e753698278afa40333ec8168d0f0ffde7d60a4ac75e66f41c98ba0a56becb691712cd76e39886691fbc'
+	'227fcebb72a73ff634278a61f07ef82e367bb9dc6f8bdd00a0fe774882b6c234421d1ef8639475e301820eb05ac9a4a3dc047c13875cc6f69d313f63c9e27c91'
+)
+
+package() {
+  install -Dm 755 "$srcdir/gamerunner.sh" "$pkgdir/usr/bin/gamerunner"
+  install -Dm 644 "$srcdir/gamerunner.cfg" "$pkgdir/etc/gamerunner.cfg"
+}

gamerunner.cfg

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+# 0=off(default safe) 1=on(might not load or cause crashes) 2=forced(might cause crashes)
+MANGOHUD=0
+USE_GAMEMODE=1
+USE_DLSYM=1
+#Un comment for RTX support on older proton
+#VKD3D_CONFIG=dxr,dxr11
+PROTON_ENABLE_NVAPI=1
+PROTON_HIDE_NVIDIA_GPU=0
+PROTON_ENABLE_NGX_UPDATER=1
+#Obs-vk capture
+OBSCAP=1
+# small amd vulkan perf boost
+RADV_PERFTEST=nggc
+
+# Increase performance in most cases
+__GL_THREADED_OPTIMIZATIONS=1
+mesa_glthread=true
+
+# Reduce lantency on nvidia systems
+__GL_MaxFramesAllowed=1
+
+# Large BAR(Smart access memory) on any AMD hardware ( please use it only on suported hardware )
+RADV_PERFTEST=sam
+
+# Put here the icd of your igpu (radv / amdvlk / intel ). full path required !
+
+# RADV
+# MESA_ICD="/usr/share/vulkan/icd.d/radeon_icd.i686.json:/usr/share/vulkan/icd.d/radeon_icd.x86_64.json"
+
+# AMDVLK
+# MESA_ICD="/usr/share/vulkan/icd.d/amd_icd64.json:/usr/share/vulkan/icd.d/amd_icd32.json"
+
+# INTEL (useless to specify leave it commented out)
+# MESA_ICD="/usr/share/vulkan/icd.d/intel_icd.x86_64.json:/usr/share/vulkan/icd.d/intel_icd.i686.json"
+
+#Unreliable in most cases
+GAMESCOPE=0

gamerunner.sh

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+#!/bin/bash
+
+# Gamerunner a hook for gamemode and nvidia prime render offload to avoid crashed with optimus-manager
+
+function preload() {
+	export LD_PRELOAD="${LD_PRELOAD}${LD_PRELOAD:+:}$1"
+}
+
+
+MAIN_VENDOR=$(glxinfo | grep "OpenGL vendor string")
+VULKAN_VENDOR=$(vulkaninfo --summary  | grep "driverName" | grep -v llvm)
+NVK_ICD="/usr/share/vulkan/icd.d/nouveau_icd.i686.json:/usr/share/vulkan/icd.d/nouveau_icd.x86_64.json"
+NVKTEST=$(VK_ICD_FILENAMES=$NVK_ICD vulkaninfo --summary)
+
+if [ "$MAIN_VENDOR" == "OpenGL vendor string: MESA" ]
+then
+	MODE="nvk"
+else
+	if [ "$MAIN_VENDOR" == "OpenGL vendor string: NVIDIA Corporation" ]
+	then
+		MODE="nvidia"
+		export GAMESCOPE=0
+	else
+		if [[ "$VULKAN_VENDOR" =~ "NVIDIA" ]]
+		then
+			MODE="hybrid"
+		else
+			if [[ ! -z "$NVKTEST" ]]
+			then
+				MODE="hybridnvk"
+			else
+				MODE="integrated"
+			fi
+		fi
+	fi
+fi
+
+if [ ! -z "${GR_SWITCH_ONLY}" ] && (( $GR_SWITCH_ONLY == 1 ))
+then
+	echo "Skipping env variables"
+else
+	USE_GAMEMODE=0
+	MANGOHUD=0
+	GAMESCOPE=0
+
+	#if the config doesn't exist load /etc/gamerunner.cfg instead of ~/.config/gamerunner.cfg
+	if [ -f "$HOME/.config/gamerunner.cfg" ]
+	then
+		echo "Loading user config"
+		source ~/.config/gamerunner.cfg
+	else
+		echo "Loading system config"
+		if [ -f "/app/etc/gamerunner.cfg" ]
+		then
+			source /app/etc/gamerunner.cfg
+		else
+			source /etc/gamerunner.cfg
+		fi
+	fi
+
+
+
+	#Export the config
+	export VKD3D_CONFIG
+	export PROTON_ENABLE_NVAPI
+	export __GL_THREADED_OPTIMIZATIONS
+	export mesa_glthread
+	export RADV_PERFTEST
+	export __GL_MaxFramesAllowed
+	export PROTON_HIDE_NVIDIA_GPU
+	export PROTON_ENABLE_NGX_UPDATER
+	export MANGOHUD
+
+	if [ "$#" -eq 0 ]; then
+		programname=`basename "$0"`
+		echo "ERROR: No program supplied"
+		echo
+		echo "Usage: $programname <program>"
+		exit 1
+	fi
+
+	if [ "$GR_SAFE" == "1" ]
+	then
+		echo "Safe mode"
+		GAMESCOPE=0
+		export MANGOHUD=0
+	fi
+
+
+	if (( $USE_GAMEMODE == 1 ))
+	then
+		preload "libgamemodeauto.so.0"
+	fi
+
+	if [ "$MODE" = "nvidia" ] || [ "$MODE" = "hybrid" ]
+	then
+		echo "Disabling gamescope"
+		GAMESCOPE=0
+	fi
+
+	if (( $GAMESCOPE == 1 ))
+	then
+		echo "Disabling mangohud for safety with gamescope"
+		export MANGOHUD=0
+	fi
+
+	if (( $MANGOHUD == 2 ))
+	then
+		echo force loading mangohud
+		#on load la lib mango
+		preload "libMangoHud.so"
+		if (( "$USE_DLSYM" == 1 ))
+		then
+			export MANGOHUD_DLSYM=1
+			preload "libMangoHud_dlsym.so"
+		fi
+		export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/usr/\$LIB:/usr/\$LIB/mangohud"
+		export MANGOHUD=1
+	fi
+
+	if (( $OBSCAP == 1 ))
+	then
+		echo loading obs vulkan capture
+		preload "/usr/\$LIB/obs_glcapture/libobs_glcapture.so"
+		export OBS_VKCAPTURE=1
+		
+	fi
+fi
+
+if [ "$MODE" == "nvidia" ]
+then
+	# Do nothing
+	echo "nvidia"
+	export VK_ICD_FILENAMES="/usr/share/vulkan/icd.d/nvidia_icd.json"
+	export __GLX_VENDOR_LIBRARY_NAME=nvidia
+else
+	if [ "$MODE" == "hybridnvk" ]
+	then
+		export DRI_PRIME=1
+		#All nvk specific should by compatible with hybrid
+		MODE="nvk"
+		echo "Hybrid-nvk"
+	fi
+
+	if [ "$MODE" == "nvk" ]
+	then
+		echo "NVK"
+		export VK_DRIVER_FILES=$NVK_ICD
+	else
+		if [ "$MODE" == "hybrid" ]
+		then
+			echo "hybrid"
+			export VK_ICD_FILENAMES="/usr/share/vulkan/icd.d/nvidia_icd.json"
+			if [ "$XDG_SESSION_TYPE" == 1 ]
+			then
+				export __NV_PRIME_RENDER_OFFLOAD=1
+			fi
+			export __VK_LAYER_NV_optimus=NVIDIA_only
+			export __GLX_VENDOR_LIBRARY_NAME=nvidia
+		else
+			if [ -n "$MESA_ICD" ]
+			then
+				export VK_DRIVER_FILES=$MESA_ICD
+			fi
+			echo "integrated"
+		fi
+	fi
+fi
+
+# if gamescope is not present this will return an empty string
+GAMESCOPE_PATH=$(command -v gamescope)
+if [ "$GAMESCOPE" == "1" ] && [ ! "GAMESCOPE_PATH" == "" ]
+then
+	export AMD_VULKAN_ICD=RADV
+	echo hud $MANGOHUD
+	echo "Warning: this is still experimental"
+	echo "$GAMESCOPE_PATH" -f -b "$@"
+	"$GAMESCOPE_PATH" -f -b "$@"
+else
+	"$@"
+fi