1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/rust/metal/examples/argument-buffer/main.rs b/third_party/rust/metal/examples/argument-buffer/main.rs
new file mode 100644
index 0000000000..2ab1346ab1
--- /dev/null
+++ b/third_party/rust/metal/examples/argument-buffer/main.rs
@@ -0,0 +1,43 @@
+// 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.
+
+#[macro_use]
+extern crate objc;
+
+use metal::*;
+
+use cocoa::foundation::NSAutoreleasePool;
+
+fn main() {
+    let pool = unsafe { NSAutoreleasePool::new(cocoa::base::nil) };
+
+    let device = Device::system_default().expect("no device found");
+
+    let desc1 = ArgumentDescriptor::new();
+    desc1.set_data_type(MTLDataType::Texture);
+    let desc2 = ArgumentDescriptor::new();
+    desc2.set_data_type(MTLDataType::Sampler);
+    desc2.set_index(1);
+
+    let encoder = device.new_argument_encoder(&Array::from_slice(&[desc1, desc2]));
+    println!("{:?}", encoder);
+
+    let buffer = device.new_buffer(encoder.encoded_length(), MTLResourceOptions::empty());
+    encoder.set_argument_buffer(&buffer, 0);
+
+    let sampler = {
+        let descriptor = SamplerDescriptor::new();
+        descriptor.set_support_argument_buffers(true);
+        device.new_sampler(&descriptor)
+    };
+    encoder.set_sampler_state(1, &sampler);
+    println!("{:?}", sampler);
+
+    unsafe {
+        let () = msg_send![pool, release];
+    }
+}