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wgpu: Fix explicit nvidia device selection

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Victoria Brekenfeld 2025-04-14 19:41:42 +02:00 • committed by Ashley Wulber
parent ad0523230e
commit 19ff21d298
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1 changed files with 5 additions and 2 deletions
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7
wgpu/src/window/compositor.rs
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@ -66,11 +66,14 @@ impl Compositor {
// HACK:
// 1. If we specifically didn't select an nvidia gpu
// 2. and nobody set an adapter name,
// 3. and the user didn't request the high power pref
// 2. and the user didn't specifically request an nvidia gpu
// 3. and the user didn't set an adapter name,
// 4. and the user didn't request the high power pref
// => don't load the nvidia icd, as it might power on the gpu in hybrid setups causing severe delays
#[cfg(all(unix, not(target_os = "macos"), not(target_os = "redox")))]
if !matches!(ids, Some((0x10de, _)))
&& std::env::var_os("__NV_PRIME_RENDER_OFFLOAD")
.is_none_or(|var| var == "0")
&& std::env::var_os("WGPU_ADAPTER_NAME").is_none()
&& std::env::var("WGPU_POWER_PREF").as_deref() != Ok("high")
{