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|
use crate::auxil;
impl crate::Instance<super::Api> for super::Instance {
unsafe fn init(desc: &crate::InstanceDescriptor) -> Result<Self, crate::InstanceError> {
let enable_dx11 = match std::env::var("WGPU_UNSTABLE_DX11_BACKEND") {
Ok(string) => string == "1" || string == "true",
Err(_) => false,
};
if !enable_dx11 {
return Err(crate::InstanceError);
}
let lib_d3d11 = super::library::D3D11Lib::new().ok_or(crate::InstanceError)?;
let (lib_dxgi, factory) = auxil::dxgi::factory::create_factory(
auxil::dxgi::factory::DxgiFactoryType::Factory1,
desc.flags,
)?;
Ok(super::Instance {
lib_d3d11,
lib_dxgi,
factory,
})
}
unsafe fn create_surface(
&self,
display_handle: raw_window_handle::RawDisplayHandle,
window_handle: raw_window_handle::RawWindowHandle,
) -> Result<super::Surface, crate::InstanceError> {
todo!()
}
unsafe fn destroy_surface(&self, surface: super::Surface) {
todo!()
}
unsafe fn enumerate_adapters(&self) -> Vec<crate::ExposedAdapter<super::Api>> {
let adapters = auxil::dxgi::factory::enumerate_adapters(self.factory);
adapters
.into_iter()
.filter_map(|adapter| super::Adapter::expose(&self.lib_d3d11, adapter))
.collect()
}
}
|
