add flatpak enabler script and default config file

conf.toml

@@ -0,0 +1,33 @@
+version = 1
+[global]
+# override the location of Lossless Scaling
+# dll = "/games/Lossless Scaling"
+
+# [[game]] # example entry
+# exe = "Game.exe"
+# env = "SteamDeck=0"
+#
+# multiplier = 3
+# flow_scale = 0.7
+# performance_mode = true
+# hdr_mode = false
+#
+# experimental_present_mode = fifo
+# experimental_fps_limit = 48
+
+[[game]] # default vkcube entry
+exe = "vkcube"
+
+multiplier = 4
+performance_mode = true
+
+[[game]] # default benchmark entry
+exe = "benchmark"
+
+multiplier = 4
+performance_mode = false
+
+[[game]] # override Genshin Impact
+exe = "Genshin"
+
+multiplier = 3

flatpak-enabler.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# set up function
+flatpak_enabler () {
+
+    # initialize variables with locations
+    DLL_FIND=$(find $HOME -name Lossless.dll | head -n 1)
+    DLL_ABSOLUTE_PATH=$(dirname "$(realpath "$DLL_FIND")")
+    ESCAPED_DLL_PATH=$(printf '%s\n' "$DLL_ABSOLUTE_PATH" | sed 's/[&/\]/\\&/g')
+    CONF_LOC="${HOME}/.config/lsfg-vk/conf.toml"
+    # check if config exists, and if not, gets a model file
+    if [ ! -f "$CONF_LOC" ]; then
+        # make sure target dir exists
+        mkdir -p ${HOME}/.config/lsfg-vk/
+        wget https://raw.githubusercontent.com/PancakeTAS/lsfg-vk/refs/heads/develop/conf.toml
+        mv conf.toml ${HOME}/.config/lsfg-vk/
+    fi
+    # register dll location in config file
+    sed -i -E "s|^# dll = \".*\"|dll = \"$ESCAPED_DLL_PATH\"|" ${HOME}/.config/lsfg-vk/conf.toml
+    # apply flatpak overrides -- Lutris has permission for /home, so won't need any, but still needs the symlinks
+    _flatpaks=(com.heroicgameslauncher.hgl com.valvesoftware.Steam net.lutris.Lutris)
+    for flat in "${_flatpaks[@]}"; do
+        if flatpak list | grep -q "$flat"; then
+            APP_DIR="$HOME/.var/app/$flat"
+            flatpak override \
+              --user \
+              --filesystem="$HOME/.local" \
+              --filesystem="$HOME/.config/lsfg-vk" \
+              --filesystem="$DLL_ABSOLUTE_PATH" \
+              "$flat"
+            # set up symlinks for lsfg-vk files
+            mkdir -p "$APP_DIR/lib"
+            mkdir -p "$APP_DIR/config/vulkan/implicit_layer.d/"
+            mkdir -p "$APP_DIR/.config/lsfg-vk/"
+            ln -s "$HOME/.local/lib/liblsfg-vk.so" "$APP_DIR/lib/liblsfg-vk.so"
+            ln -s "$HOME/.local/share/vulkan/implicit_layer.d/VkLayer_LS_frame_generation.json" "$APP_DIR/config/vulkan/implicit_layer.d/VkLayer_LS_frame_generation.json"
+            ln -s "$HOME/.config/lsfg-vk/conf.toml" "$APP_DIR/.config/lsfg-vk/conf.toml"
+            echo "Usage enabled successfully for $flat."
+        fi
+    done
+
+}
+
+# run function only if flatpak is present
+if command -v flatpak &> /dev/null; then
+    flatpak_enabler
+fi