ZacharyZhang-NY
b7fca0146d
ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git), ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.
26 lines
694 B
Rust
26 lines
694 B
Rust
use anyhow::Result;
|
|
|
|
/// Fails when no graphics device exists; probed on macOS only.
|
|
pub fn check() -> Result<()> {
|
|
#[cfg(target_os = "macos")]
|
|
{
|
|
let devices = metal::Device::all();
|
|
anyhow::ensure!(
|
|
!devices.is_empty() || metal::Device::system_default().is_some(),
|
|
"no Metal graphics device was found"
|
|
);
|
|
log::info!("graphics: {} Metal device(s)", devices.len());
|
|
}
|
|
#[cfg(not(target_os = "macos"))]
|
|
log::info!("graphics: the backend is not probed on this OS");
|
|
Ok(())
|
|
}
|
|
|
|
#[cfg(all(test, target_os = "macos"))]
|
|
mod tests {
|
|
#[test]
|
|
fn this_mac_has_a_metal_device() {
|
|
super::check().unwrap();
|
|
}
|
|
}
|