Vendor dependencies for 0.3.0 release

vendor/metal/examples/bind/main.rs

@@ -0,0 +1,34 @@
+// Copyright 2018 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::*;
+use objc::rc::autoreleasepool;
+
+fn main() {
+    autoreleasepool(|| {
+        let device = Device::system_default().expect("no device found");
+
+        let buffer = device.new_buffer(4, MTLResourceOptions::empty());
+        let sampler = {
+            let descriptor = SamplerDescriptor::new();
+            device.new_sampler(&descriptor)
+        };
+
+        let queue = device.new_command_queue();
+        let cmd_buf = queue.new_command_buffer();
+
+        let encoder = cmd_buf.new_compute_command_encoder();
+
+        encoder.set_buffers(2, &[Some(&buffer), None], &[4, 0]);
+        encoder.set_sampler_states(1, &[Some(&sampler), None]);
+
+        encoder.end_encoding();
+        cmd_buf.commit();
+
+        println!("Everything is bound");
+    });
+}