Vendor things

third-party/vendor/metal/examples/compute/shaders.metal

@@ -0,0 +1,10 @@
+#include <metal_stdlib>
+
+using namespace metal;
+
+kernel void sum(device uint *data [[ buffer(0) ]],
+                volatile device atomic_uint *sum [[ buffer(1) ]],
+                uint gid [[ thread_position_in_grid ]])
+{
+    atomic_fetch_add_explicit(sum, data[gid], memory_order_relaxed);
+}