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fix: auto-inject --ignore-gpu-blocklist for headed mode and Windows

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Headed mode (all platforms): Chromium's GPU blocklist disables WebGL on
software GPUs in Docker/VNC/Xvfb. Flag lets SwiftShader serve WebGL.
Harmless on real GPUs. Headless unaffected. Ref #56.

Windows (all modes): GPU blocklist also blocks WebGPU for the Microsoft
Basic Render Driver. Dawn's adapter_blocklist bypass alone isn't enough.
This commit is contained in:
CloakHQ
2026-03-15 02:23:48 +01:00
parent 83e3b30117
commit 1380c86847
2 changed files with 24 additions and 4 deletions
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js/src/args.ts
+9
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@@ -20,6 +20,15 @@ export function buildArgs(options: LaunchOptions): string[] {
seen.set(arg.split("=")[0], arg);
}
}
// GPU blocklist bypass:
// - Headed mode (all platforms): Chromium blocks WebGL on software GPUs
// in Docker/Xvfb. Flag lets SwiftShader serve WebGL. See issue #56.
// - Windows (all modes): Chromium's GPU blocklist blocks WebGPU for the
// Microsoft Basic Render Driver. Dawn's adapter_blocklist bypass alone
// isn't enough. Linux doesn't need it.
if (options.headless === false || process.platform === "win32") {
seen.set("--ignore-gpu-blocklist", "--ignore-gpu-blocklist");
}
if (options.args) {
for (const arg of options.args) {
const key = arg.split("=")[0];