diff options
Diffstat (limited to 'src/utils/steamLaunchOptionParser.ts')
| -rw-r--r-- | src/utils/steamLaunchOptionParser.ts | 501 |
1 files changed, 0 insertions, 501 deletions
diff --git a/src/utils/steamLaunchOptionParser.ts b/src/utils/steamLaunchOptionParser.ts deleted file mode 100644 index 5b8156c..0000000 --- a/src/utils/steamLaunchOptionParser.ts +++ /dev/null @@ -1,501 +0,0 @@ -export interface WorkaroundState { - dxvkFrameRate: number; - disableGamescopeWsi: boolean; - disableSteamdeckMode: boolean; - disableVkbasalt: boolean; - enableZink: boolean; -} - -export type WorkaroundField = keyof WorkaroundState; - -export interface ParsedWorkaroundOptions { - state: WorkaroundState; - issues: string[]; -} - -interface LaunchToken { - raw: string; - value: string; -} - -interface EnvironmentEntry { - value: string; - count: number; -} - -type BooleanWorkaroundField = Exclude<WorkaroundField, "dxvkFrameRate">; -type EnvironmentSpec = readonly [key: string, value: string]; -type DxvkFrameRateKey = "dxvk.maxFrameRate" | "dxgi.maxFrameRate" | "d3d9.maxFrameRate"; - -interface WorkaroundDefinition { - spec: EnvironmentSpec; - clear: readonly string[]; - label?: string; -} - -const COMMAND_TOKEN = "%command%"; -const LEGACY_WRAPPER_TOKENS = new Set([ - "~/lsfg", - "/home/deck/lsfg", - "~/.local/bin/lsfg-vk-experimental", - "/home/deck/.local/bin/lsfg-vk-experimental", - "~/.local/bin/mako-run", - "/home/deck/.local/bin/mako-run", - "~/.local/bin/mako-launch", - "/home/deck/.local/bin/mako-launch", -]); -const DXVK_FRAME_RATE_KEYS: readonly DxvkFrameRateKey[] = [ - "dxvk.maxFrameRate", - "dxgi.maxFrameRate", - "d3d9.maxFrameRate", -]; -const DXVK_MANAGED_KEYS = new Set(["DXVK_CONFIG", "DXVK_FRAME_RATE"]); -const WORKAROUND_DEFINITIONS = { - disableGamescopeWsi: { - spec: ["ENABLE_GAMESCOPE_WSI", "0"], - clear: ["DISABLE_GAMESCOPE_WSI", "ENABLE_GAMESCOPE_WSI", "DXVK_HDR"], - }, - disableSteamdeckMode: { - spec: ["SteamDeck", "0"], - clear: ["SteamDeck"], - label: "Steam Deck mode", - }, - disableVkbasalt: { - spec: ["DISABLE_VKBASALT", "1"], - clear: ["DISABLE_VKBASALT"], - label: "Disable vkBasalt", - }, - enableZink: { - spec: ["MESA_LOADER_DRIVER_OVERRIDE", "zink"], - clear: ["__GLX_VENDOR_LIBRARY_NAME", "MESA_LOADER_DRIVER_OVERRIDE", "GALLIUM_DRIVER"], - }, -} as const satisfies Record<BooleanWorkaroundField, WorkaroundDefinition>; -const BOOLEAN_WORKAROUND_FIELDS: readonly BooleanWorkaroundField[] = [ - "disableGamescopeWsi", - "disableSteamdeckMode", - "disableVkbasalt", - "enableZink", -]; -const WSI_DISABLE_KEY = "DISABLE_GAMESCOPE_WSI"; -const WSI_ENABLE_KEY = "ENABLE_GAMESCOPE_WSI"; -const MANAGED_ENV_KEYS = new Set([ - ...DXVK_MANAGED_KEYS, - ...BOOLEAN_WORKAROUND_FIELDS.flatMap((field) => WORKAROUND_DEFINITIONS[field].clear), -]); - -const DEFAULT_WORKAROUND_STATE: WorkaroundState = { - dxvkFrameRate: 0, - disableGamescopeWsi: false, - disableSteamdeckMode: false, - disableVkbasalt: false, - enableZink: false, -}; - -export function getDefaultWorkaroundState(): WorkaroundState { - return { ...DEFAULT_WORKAROUND_STATE }; -} - -function decodeToken(raw: string): string { - let value = ""; - let quote: "'" | '"' | null = null; - - for (let index = 0; index < raw.length; index += 1) { - const character = raw[index]; - if (character === "\\" && quote !== "'" && index + 1 < raw.length) { - value += raw[index + 1]; - index += 1; - } else if (quote !== null) { - if (character === quote) quote = null; - else value += character; - } else if (character === "'" || character === '"') { - quote = character; - } else { - value += character; - } - } - - return value; -} - -// Steam stores one shell-like line. Keep each token's raw spelling beside its -// decoded value so managed edits leave unrelated quoting and arguments alone. -function tokenize(options: string): LaunchToken[] { - const tokens: LaunchToken[] = []; - let start = -1; - let quote: "'" | '"' | null = null; - let escaped = false; - - for (let index = 0; index < options.length; index += 1) { - const character = options[index]; - if (start < 0) { - if (/\s/.test(character)) continue; - start = index; - } - - if (escaped) { - escaped = false; - } else if (character === "\\" && quote !== "'") { - escaped = true; - } else if (quote !== null) { - if (character === quote) quote = null; - } else if (character === "'" || character === '"') { - quote = character; - } else if (/\s/.test(character)) { - const raw = options.slice(start, index); - tokens.push({ raw, value: decodeToken(raw) }); - start = -1; - } - } - - if (start >= 0) { - const raw = options.slice(start); - tokens.push({ raw, value: decodeToken(raw) }); - } - return tokens; -} - -function serialize(tokens: readonly LaunchToken[]): string { - if (tokens.length === 1 && tokens[0].raw.toLowerCase() === COMMAND_TOKEN) return ""; - return tokens.map((token) => token.raw).join(" "); -} - -export function normalizeLaunchOptions(options: string): string { - return serialize(tokenize(options)); -} - -function parseEnvironmentToken(token: LaunchToken): [string, string] | null { - const separator = token.value.indexOf("="); - if (separator < 1) return null; - const key = token.value.slice(0, separator); - if (!/^[A-Za-z_][A-Za-z0-9_]*$/.test(key)) return null; - return [key, token.value.slice(separator + 1)]; -} - -function findCommandIndex(tokens: readonly LaunchToken[]): number { - return tokens.findIndex((token) => token.raw.toLowerCase() === COMMAND_TOKEN); -} - -function leadingEnvironmentCount(tokens: readonly LaunchToken[]): number { - let count = 0; - while (count < tokens.length && parseEnvironmentToken(tokens[count]) !== null) count += 1; - return count; -} - -function effectivePrefixLimit(tokens: readonly LaunchToken[]): number { - return leadingEnvironmentCount(tokens); -} - -function effectiveEnvironmentEntries(tokens: readonly LaunchToken[]): Map<string, EnvironmentEntry> { - const entries = new Map<string, EnvironmentEntry>(); - for (let index = 0; index < effectivePrefixLimit(tokens); index += 1) { - const parsed = parseEnvironmentToken(tokens[index]); - if (!parsed) continue; - const [key, value] = parsed; - const previous = entries.get(key); - entries.set(key, { value, count: (previous?.count || 0) + 1 }); - } - return entries; -} - -function removePrefixAssignments(tokens: LaunchToken[], predicate: (token: LaunchToken) => boolean): boolean { - const limit = effectivePrefixLimit(tokens); - const retained = tokens.filter((token, index) => index >= limit || !predicate(token)); - if (retained.length === tokens.length) return false; - tokens.splice(0, tokens.length, ...retained); - return true; -} - -function removeAllAssignments(tokens: LaunchToken[], keys: ReadonlySet<string>): boolean { - return removePrefixAssignments(tokens, (token) => { - const parsed = parseEnvironmentToken(token); - return parsed !== null && keys.has(parsed[0]); - }); -} - -function encodeEnvironmentValue(value: string): string { - if (/^[A-Za-z0-9_./:+,%=-]+$/.test(value)) return value; - return `"${value.replace(/\\/g, "\\\\").replace(/"/g, '\\"')}"`; -} - -function insertEnvironmentSpecs(tokens: LaunchToken[], specs: readonly EnvironmentSpec[]): void { - tokens.unshift(...specs.map(([key, value]) => ({ - raw: `${key}=${encodeEnvironmentValue(value)}`, - value: `${key}=${value}`, - }))); -} - -function ensureCommandToken(tokens: LaunchToken[]): void { - if (findCommandIndex(tokens) >= 0) return; - tokens.splice(leadingEnvironmentCount(tokens), 0, { raw: COMMAND_TOKEN, value: COMMAND_TOKEN }); -} - -export function isLegacyWrapperToken(value: string): boolean { - const path = decodeToken(value); - return LEGACY_WRAPPER_TOKENS.has(path); -} - -function removeLegacyWrapperFromTokens(tokens: LaunchToken[]): boolean { - const commandIndex = findCommandIndex(tokens); - const prefixEnd = commandIndex >= 0 ? commandIndex : tokens.length; - const retained = tokens.filter((token, index) => index >= prefixEnd || !isLegacyWrapperToken(token.raw)); - if (retained.length === tokens.length) return false; - tokens.splice(0, tokens.length, ...retained); - return true; -} - -interface DxvkConfigAssignment { - values: string[]; - malformed: number; -} - -interface ParsedDxvkConfig { - segments: string[]; - assignments: Map<DxvkFrameRateKey, DxvkConfigAssignment>; -} - -function splitDxvkConfig(value: string): string[] { - const segments: string[] = []; - let start = 0; - let quote: "'" | '"' | null = null; - let escaped = false; - - for (let index = 0; index < value.length; index += 1) { - const character = value[index]; - if (escaped) escaped = false; - else if (character === "\\" && quote !== "'") escaped = true; - else if (quote !== null) { - if (character === quote) quote = null; - } else if (character === "'" || character === '"') quote = character; - else if (character === ";") { - segments.push(value.slice(start, index)); - start = index + 1; - } - } - - segments.push(value.slice(start)); - return segments; -} - -function knownDxvkKey(value: string): DxvkFrameRateKey | null { - const key = value.match(/^([A-Za-z][A-Za-z0-9.]*)/)?.[1]; - return key && DXVK_FRAME_RATE_KEYS.includes(key as DxvkFrameRateKey) - ? key as DxvkFrameRateKey - : null; -} - -function parseDxvkConfig(value: string): ParsedDxvkConfig { - const segments = splitDxvkConfig(value); - const assignments = new Map<DxvkFrameRateKey, DxvkConfigAssignment>(); - for (const segment of segments) { - const trimmed = segment.trim(); - const key = knownDxvkKey(trimmed); - if (!key) continue; - const match = trimmed.match(/^[A-Za-z][A-Za-z0-9.]*\s*=\s*(.*?)\s*$/); - const entry = assignments.get(key) || { values: [], malformed: 0 }; - if (match) entry.values.push(match[1]); - else entry.malformed += 1; - assignments.set(key, entry); - } - return { segments, assignments }; -} - -function isDxvkFrameRateSegment(segment: string): boolean { - return knownDxvkKey(segment.trim()) !== null; -} - -function parseSupportedFrameRate(value: string): number | null { - if (!/^\d+$/.test(value)) return null; - const numericValue = Number(value); - return Number.isSafeInteger(numericValue) && numericValue <= 60 ? numericValue : null; -} - -function rewriteDxvkFrameRate(tokens: LaunchToken[], frameRate: number): void { - const config = effectiveEnvironmentEntries(tokens).get("DXVK_CONFIG"); - const parsed = parseDxvkConfig(config?.value || ""); - const retained = parsed.segments - .filter((segment) => !isDxvkFrameRateSegment(segment)) - .filter((segment) => segment.trim().length > 0) - .join(";"); - const nextConfig = frameRate > 0 - ? [`dxvk.maxFrameRate = ${frameRate}`, ...(retained ? [retained] : [])].join(";") - : retained; - - removeAllAssignments(tokens, DXVK_MANAGED_KEYS); - if (nextConfig) { - ensureCommandToken(tokens); - insertEnvironmentSpecs(tokens, [["DXVK_CONFIG", nextConfig]]); - } -} - -function environmentSpecsForState(state: WorkaroundState): EnvironmentSpec[] { - return BOOLEAN_WORKAROUND_FIELDS - .filter((field) => state[field]) - .map((field) => WORKAROUND_DEFINITIONS[field].spec); -} - -function validateFrameRate(frameRate: number): void { - if (!Number.isInteger(frameRate) || frameRate < 0 || frameRate > 60) { - throw new Error("Base FPS Cap must be an integer from 0 to 60"); - } -} - -function readBoolean( - entries: Map<string, EnvironmentEntry>, - key: string, - label: string, - trueValue: string, - issues: string[], -): boolean { - const entry = entries.get(key); - if (!entry) return false; - const falseValue = trueValue === "1" ? "0" : "1"; - if (entry.value === trueValue) return true; - if (entry.value === falseValue) return false; - issues.push(`${label} has an unsupported value.`); - return false; -} - -export function parseWorkaroundOptions(options: string): ParsedWorkaroundOptions { - const tokens = tokenize(options); - const entries = effectiveEnvironmentEntries(tokens); - const state = getDefaultWorkaroundState(); - const issues: string[] = []; - - for (const [key, entry] of entries) { - if (MANAGED_ENV_KEYS.has(key) && entry.count > 1) { - issues.push(`${key} appears more than once; Steam uses the last value.`); - } - } - - const dxvkConfig = parseDxvkConfig(entries.get("DXVK_CONFIG")?.value || ""); - const effectiveDxvkValues = new Map<DxvkFrameRateKey, number | null>(); - for (const key of DXVK_FRAME_RATE_KEYS) { - const assignment = dxvkConfig.assignments.get(key); - if (!assignment) continue; - if (assignment.malformed > 0) issues.push(`${key} in DXVK_CONFIG is malformed.`); - if (assignment.values.length > 1) { - issues.push(`${key} appears more than once in DXVK_CONFIG; DXVK uses the last value.`); - } - if (assignment.values.length === 0) continue; - const value = parseSupportedFrameRate(assignment.values[assignment.values.length - 1]); - effectiveDxvkValues.set(key, value); - if (value === null) issues.push(`${key} in DXVK_CONFIG is outside the supported 0-60 range.`); - } - - const unifiedFrameRate = effectiveDxvkValues.get("dxvk.maxFrameRate"); - const dxgiFrameRate = effectiveDxvkValues.get("dxgi.maxFrameRate"); - const d3d9FrameRate = effectiveDxvkValues.get("d3d9.maxFrameRate"); - if (unifiedFrameRate !== undefined) { - if (unifiedFrameRate !== null) state.dxvkFrameRate = unifiedFrameRate; - } else if (dxgiFrameRate !== undefined && d3d9FrameRate !== undefined) { - if (dxgiFrameRate !== null && dxgiFrameRate === d3d9FrameRate) state.dxvkFrameRate = dxgiFrameRate; - else issues.push("DXVK_CONFIG has conflicting or invalid DirectX frame caps."); - } else if (dxgiFrameRate !== undefined || d3d9FrameRate !== undefined) { - const partial = dxgiFrameRate ?? d3d9FrameRate; - if (partial !== null && partial !== undefined) state.dxvkFrameRate = partial; - issues.push("DXVK_CONFIG only caps one DirectX API; adjust the cap to normalize it."); - } - - if (entries.has("DXVK_FRAME_RATE")) { - issues.push("DXVK_FRAME_RATE is obsolete on current DXVK; adjust the cap to migrate it."); - } - - const wsiSignals: boolean[] = []; - const wsiDisable = entries.get(WSI_DISABLE_KEY); - if (wsiDisable) { - if (wsiDisable.value !== "0" && wsiDisable.value !== "1") issues.push("Disable Gamescope WSI has an unsupported value."); - else wsiSignals.push(wsiDisable.value === "1"); - } - const wsiEnable = entries.get(WSI_ENABLE_KEY); - if (wsiEnable) { - if (wsiEnable.value !== "0" && wsiEnable.value !== "1") issues.push("Enable Gamescope WSI has an unsupported value."); - else wsiSignals.push(wsiEnable.value === "0"); - } - if (wsiSignals.length > 0) { - if (wsiSignals.length === 2 && wsiSignals[0] !== wsiSignals[1]) { - issues.push("Gamescope WSI has conflicting enable and disable assignments."); - } - state.disableGamescopeWsi = wsiSignals.some(Boolean); - } - - for (const field of ["disableSteamdeckMode", "disableVkbasalt"] as const) { - const { spec, label } = WORKAROUND_DEFINITIONS[field]; - state[field] = readBoolean(entries, spec[0], label || field, spec[1], issues); - } - - const vkBasaltEnable = entries.get("ENABLE_VKBASALT"); - const vkBasaltDisable = entries.get("DISABLE_VKBASALT"); - if (vkBasaltEnable?.value === "1" && vkBasaltDisable?.value === "1") { - issues.push("vkBasalt has conflicting enable and disable assignments."); - } - - const zink = entries.get(WORKAROUND_DEFINITIONS.enableZink.spec[0]); - const glxVendor = entries.get("__GLX_VENDOR_LIBRARY_NAME"); - const galliumDriver = entries.get("GALLIUM_DRIVER"); - const hasLegacyZink = glxVendor !== undefined || galliumDriver !== undefined; - if (zink || hasLegacyZink) { - state.enableZink = zink?.value === WORKAROUND_DEFINITIONS.enableZink.spec[1]; - if (hasLegacyZink && ( - glxVendor?.value !== "mesa" || - zink?.value !== WORKAROUND_DEFINITIONS.enableZink.spec[1] || - galliumDriver?.value !== "zink" - )) { - issues.push("Zink workaround is only partially configured."); - } else if (!state.enableZink) { - issues.push("Zink workaround has an unsupported driver value."); - } - } - - return { state, issues }; -} - -export function applyWorkaroundState(options: string, state: WorkaroundState): string { - validateFrameRate(state.dxvkFrameRate); - const tokens = tokenize(options); - removeLegacyWrapperFromTokens(tokens); - rewriteDxvkFrameRate(tokens, state.dxvkFrameRate); - const keysToClear = new Set<string>( - BOOLEAN_WORKAROUND_FIELDS.flatMap((field) => WORKAROUND_DEFINITIONS[field].clear), - ); - if (state.disableVkbasalt) keysToClear.add("ENABLE_VKBASALT"); - removeAllAssignments(tokens, keysToClear); - const specs = environmentSpecsForState(state); - if (specs.length > 0) { - ensureCommandToken(tokens); - insertEnvironmentSpecs(tokens, specs); - } - return serialize(tokens); -} - -export function applyWorkaroundChange(options: string, field: WorkaroundField, value: boolean | number): string { - const tokens = tokenize(options); - removeLegacyWrapperFromTokens(tokens); - - if (field === "dxvkFrameRate") { - if (typeof value !== "number") throw new Error("Base FPS Cap must be an integer from 0 to 60"); - validateFrameRate(value); - rewriteDxvkFrameRate(tokens, value); - return serialize(tokens); - } - - if (typeof value !== "boolean") throw new Error(`${field} must be a boolean`); - const definition = WORKAROUND_DEFINITIONS[field]; - const keysToClear = new Set<string>(definition.clear); - if (value && field === "disableVkbasalt") keysToClear.add("ENABLE_VKBASALT"); - removeAllAssignments(tokens, keysToClear); - if (value) { - ensureCommandToken(tokens); - insertEnvironmentSpecs(tokens, [definition.spec]); - } - return serialize(tokens); -} - -export function cleanupLegacyLaunchOptions(options: string): string { - const tokens = tokenize(options); - removeLegacyWrapperFromTokens(tokens); - return serialize(tokens); -} - -export function cleanupLegacyWrapper(options: string): string { - return cleanupLegacyLaunchOptions(options); -} |