wip polymorphic modules

src/nu/Render.zig

@@ -9,9 +9,7 @@ const vk = @import("vk");
 const nu = @import("../nu.zig");
 const au = @import("Render/au.zig");
 
-const Hook = @import("hooks.zig").Hook;
-
-pub const Options = struct {
+pub const Config = struct {
     app_name: [*:0]const u8 = "nu-au-app",
     app_version: struct {
         variant: u3 = 0,
@@ -27,20 +25,29 @@ pub const Options = struct {
         patch: u12 = 0,
     } = .{},
     frames_in_flight: u8 = 3,
+    use_debug_messenger: bool = switch (builtin.mode) {
+        .Debug, .ReleaseSafe => true,
+        .ReleaseSmall, .ReleaseFast => false,
+    },
 };
+const config = nu.config.render;
 
-pub const Hooks = struct {
-    pub const Present = Hook(fn (au.CommandBufferProxy) void);
-
-    present: Present,
-};
-
-pub var hooks: Hooks = undefined;
+pub fn module() nu.Module {
+    return nu.Module{
+        .name = "Render",
+        .setup = setup,
+        .teardown = teardown,
+        .frame = frame,
+        .dependencies = &.{nu.Window.driver().module},
+    };
+}
 
 var sc: au.SwapChain = undefined;
 var flights: au.Flights = undefined;
 
-pub fn init(alloc: std.mem.Allocator) !void {
+pub var present: nu.Hook(fn (au.CommandBufferProxy) void) = undefined;
+
+pub fn setup(alloc: std.mem.Allocator) !void {
     // todo pick apart au into helpers; not a sub-module filled with its own globals.
     try au.init(alloc);
     errdefer au.deinit();
@@ -48,26 +55,22 @@ pub fn init(alloc: std.mem.Allocator) !void {
     sc = try au.SwapChain.init(alloc);
     errdefer sc.deinit();
 
-    flights = try au.Flights.init(alloc, nu.options.render.frames_in_flight);
+    flights = try au.Flights.init(alloc, config.frames_in_flight);
     errdefer flights.deinit();
 
-    hooks = .{ .present = Hooks.Present.init(alloc) };
-    errdefer hooks.present.deinit();
+    present = @TypeOf(present).init(alloc);
+    errdefer present.deinit();
 }
 
-pub fn deinit() void {
-    hooks.present.deinit();
+pub fn teardown() void {
+    au.D.deviceWaitIdle() catch |err| std.debug.panic("Device wait failed: {!}", .{err});
+    errdefer present.deinit();
     flights.deinit();
     sc.deinit();
     au.deinit();
 }
 
-pub fn connect() !void {
-    try nu.hooks.frame.register(nu_frame);
-    try nu.hooks.close.register(nu_close);
-}
-
-pub fn nu_frame() !void {
+pub fn frame() !void {
     const flight: au.Flights.Flight = flights.next();
     try flight.wait();
 
@@ -95,7 +98,8 @@ pub fn nu_frame() !void {
 
         // todo manage frame in flight state for each hook; pass the current flight in as context.
         // will need some comptime -> anytype mapping.
-        hooks.present.invoke(.{cmd});
+
+        present.invoke(.{cmd});
 
         target.end_rendering(cmd);
         try cmd.endCommandBuffer();
@@ -126,9 +130,3 @@ pub fn nu_frame() !void {
         }
     }
 }
-
-pub fn nu_close() void {
-    au.D.deviceWaitIdle() catch |err| {
-        std.debug.panic("Device wait failed: {!}", .{err});
-    };
-}