nu simplified; working swapchain, queue, and validators.

it compiles, but initialization is not done

create debug messenger

Use proxies

wip swapchain

wip swapchain - stub usage

get device queue

wip swapchain - scaffolded with segfault

wip swapchain - fix segfault

wip swapchain - working, but resize broken. semaphore issue with naive handling

satisfy validation

src/nu/Window.zig

@@ -40,6 +40,9 @@ pub var handle: *c.GLFWwindow = undefined;
 pub fn setup(_: std.mem.Allocator) !void {
     if (c.glfwInit() != c.GLFW_TRUE) std.debug.panic("GLFW Init Failed", .{});
 
+    if (c.glfwVulkanSupported() != c.GLFW_TRUE)
+        std.debug.panic("GLFW Vulkan not supported", .{});
+
     c.glfwWindowHint(c.GLFW_CLIENT_API, c.GLFW_NO_API);
     c.glfwWindowHintString(c.GLFW_X11_CLASS_NAME, config.x11_class_name);
     c.glfwWindowHintString(c.GLFW_X11_INSTANCE_NAME, config.x11_instance_name);