Vendor dependencies for 0.3.0 release

vendor/metal/examples/caps/main.rs

@@ -0,0 +1,33 @@
+// Copyright 2017 GFX developers
+//
+// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
+// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
+// http://opensource.org/licenses/MIT>, at your option. This file may not be
+// copied, modified, or distributed except according to those terms.
+
+use metal::*;
+
+fn main() {
+    let device = Device::system_default().expect("no device found");
+
+    #[cfg(feature = "private")]
+    {
+        println!("Vendor: {:?}", unsafe { device.vendor() });
+        println!("Family: {:?}", unsafe { device.family_name() });
+    }
+    println!(
+        "Max threads per threadgroup: {:?}",
+        device.max_threads_per_threadgroup()
+    );
+    #[cfg(target_os = "macos")]
+    {
+        println!("Integrated GPU: {:?}", device.is_low_power());
+        println!("Headless: {:?}", device.is_headless());
+        println!("D24S8: {:?}", device.d24_s8_supported());
+    }
+    println!("maxBufferLength: {} Mb", device.max_buffer_length() >> 20);
+    println!(
+        "Indirect argument buffer: {:?}",
+        device.argument_buffers_support()
+    );
+}