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hal/vk: check for optimus in addition to NV adapter

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This commit is contained in:
Dzmitry Malyshau
2021-11-29 13:06:28 -05:00
parent 4abbc95911
commit 28ba9d86eb
1 changed files with 7 additions and 2 deletions
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9
wgpu-hal/src/vulkan/instance.rs
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@@ -590,6 +590,8 @@ impl crate::Instance<super::Api> for super::Instance {
}
unsafe fn enumerate_adapters(&self) -> Vec<crate::ExposedAdapter<super::Api>> {
use crate::auxil::db;
let raw_devices = match self.shared.raw.enumerate_physical_devices() {
Ok(devices) => devices,
Err(err) => {
@@ -604,8 +606,11 @@ impl crate::Instance<super::Api> for super::Instance {
.collect::<Vec<_>>();
// Detect if it's an Intel + NVidia configuration with Optimus
if cfg!(target_os = "linux") && self.shared.has_nv_optimus {
use crate::auxil::db;
let has_nvidia_dgpu = exposed_adapters.iter().any(|exposed| {
exposed.info.device_type == wgt::DeviceType::DiscreteGpu
&& exposed.info.vendor == db::nvidia::VENDOR as usize
});
if cfg!(target_os = "linux") && has_nvidia_dgpu && self.shared.has_nv_optimus {
for exposed in exposed_adapters.iter_mut() {
if exposed.info.device_type == wgt::DeviceType::IntegratedGpu
&& exposed.info.vendor == db::intel::VENDOR as usize