diff --git a/gpu/build.zig b/gpu/build.zig
index 12d9ae04..140cf466 100644
--- a/gpu/build.zig
+++ b/gpu/build.zig
@@ -27,6 +27,7 @@ pub fn build(b: *std.build.Builder) void {
     example.setBuildMode(mode);
     example.install();
     example.linkLibC();
+    example.addPackagePath("gpu", "src/main.zig");
     example.addPackagePath("glfw", "libs/mach-glfw/src/main.zig");
     glfw.link(b, example, .{});
     gpu_dawn.link(b, example, .{});
diff --git a/gpu/examples/sample_utils.zig b/gpu/examples/sample_utils.zig
index d4e7e84a..7ba39909 100644
--- a/gpu/examples/sample_utils.zig
+++ b/gpu/examples/sample_utils.zig
@@ -1,6 +1,7 @@
 const std = @import("std");
 const assert = std.debug.assert;
 const glfw = @import("glfw");
+const gpu = @import("gpu");
 const c = @import("c.zig").c;
 const objc = @cImport({
     @cInclude("objc/message.h");
@@ -17,6 +18,7 @@ fn printDeviceError(error_type: c.WGPUErrorType, message: [*c]const u8, _: ?*any
 }
 
 const Setup = struct {
+    native_instance: gpu.NativeInstance,
     instance: c.WGPUInstance,
     backend_type: c.WGPUBackendType,
     device: c.WGPUDevice,
@@ -97,6 +99,7 @@ pub fn setup(allocator: std.mem.Allocator) !Setup {
     c.dawnProcSetProcs(backend_procs);
     backend_procs.*.deviceSetUncapturedErrorCallback.?(backend_device, printDeviceError, null);
     return Setup{
+        .native_instance = gpu.NativeInstance.wrap(c.machDawnNativeInstance_get(instance).?),
         .instance = c.machDawnNativeInstance_get(instance),
         .backend_type = backend_type,
         .device = backend_device,
diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index 4634c6d7..75c43db7 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -11,9 +11,9 @@ instance: c.WGPUInstance,
 vtable: Interface.VTable,
 
 /// Wraps a native WGPUInstance to provide an implementation of the gpu.Interface.
-pub fn wrap(instance: c.WGPUInstance) NativeInstance {
+pub fn wrap(instance: *anyopaque) NativeInstance {
     return .{
-        .instance = instance,
+        .instance = @ptrCast(c.WGPUInstance, instance),
         .vtable = undefined, // TODO
     };
 }
diff --git a/gpu/src/main.zig b/gpu/src/main.zig
index 3c1b77c5..06bfbe14 100644
--- a/gpu/src/main.zig
+++ b/gpu/src/main.zig
@@ -16,15 +16,15 @@
 //!
 //! 
 const std = @import("std");
-const Interface = @import("Interface.zig");
-const NativeInstance = @import("NativeInstance.zig");
+pub const Interface = @import("Interface.zig");
+pub const NativeInstance = @import("NativeInstance.zig");
 
-const Adapter = @import("Adapter.zig");
-const Device = @import("Device.zig");
-const Surface = @import("Surface.zig");
+pub const Adapter = @import("Adapter.zig");
+pub const Device = @import("Device.zig");
+pub const Surface = @import("Surface.zig");
 
-const FeatureName = @import("feature_name.zig").FeatureName;
-const SupportedLimits = @import("supported_limits.zig").SupportedLimits;
+pub const FeatureName = @import("feature_name.zig").FeatureName;
+pub const SupportedLimits = @import("supported_limits.zig").SupportedLimits;
 
 test "syntax" {
     _ = Interface;