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fn main() {
cfg_aliases::cfg_aliases! {
native: { not(target_arch = "wasm32") },
send_sync: { any(
not(target_arch = "wasm32"),
all(feature = "fragile-send-sync-non-atomic-wasm", not(target_feature = "atomics"))
) },
webgl: { all(target_arch = "wasm32", not(target_os = "emscripten"), gles) },
Emscripten: { all(target_os = "emscripten", gles) },
dx12: { all(target_os = "windows", feature = "dx12") },
gles: { all(feature = "gles") },
// Within the GL ES backend, use `std` and be Send + Sync only if we are using a target
// that, among the ones where the GL ES backend is supported, has `std`.
gles_with_std: { all(
feature = "gles",
any(
not(target_arch = "wasm32"),
// Accept wasm32-unknown-unknown, which uniquely has a stub `std`
all(target_vendor = "unknown", target_os = "unknown"),
// Accept wasm32-unknown-emscripten and similar, which has a real `std`
target_os = "emscripten"
)
) },
metal: { all(target_vendor = "apple", feature = "metal") },
vulkan: { all(not(target_arch = "wasm32"), feature = "vulkan") },
// ⚠️ Keep in sync with target.cfg() definition in Cargo.toml and cfg_alias in `wgpu` crate ⚠️
static_dxc: { all(target_os = "windows", feature = "static-dxc", not(target_arch = "aarch64")) },
supports_64bit_atomics: { target_has_atomic = "64" }
}
}