clear to red with one frame in flight

src/au/SwapChain.zig

@@ -8,6 +8,7 @@ alloc: std.mem.Allocator,
 cinfo: vk.SwapchainCreateInfoKHR,
 handle: vk.SwapchainKHR = .null_handle,
 images: std.ArrayListUnmanaged(vk.Image) = .{},
+views: std.ArrayListUnmanaged(vk.ImageView) = .{},
 
 pub fn init(alloc: std.mem.Allocator) !Self {
     const caps = try au.I.getPhysicalDeviceSurfaceCapabilitiesKHR(au.device_config.pdev, au.W.surface);
@@ -41,7 +42,13 @@ pub fn init(alloc: std.mem.Allocator) !Self {
 }
 
 pub fn deinit(self: *Self) void {
+    for (self.views.items) |view| {
+        au.D.destroyImageView(view, null);
+    }
+    self.views.deinit(self.alloc);
+
     self.images.deinit(self.alloc);
+
     au.D.destroySwapchainKHR(self.handle, null);
 }
 
@@ -68,11 +75,29 @@ pub fn rebuild(self: *Self) !bool {
     try self.images.resize(self.alloc, count);
     _ = try au.D.getSwapchainImagesKHR(self.handle, &count, self.images.items.ptr);
 
+    for (self.views.items) |view| {
+        au.D.destroyImageView(view, null);
+    }
+    try self.views.resize(self.alloc, count);
+    for (self.images.items, self.views.items) |image, *view| {
+        view.* = try au.D.createImageView(&vk.ImageViewCreateInfo{ .image = image, .view_type = .@"2d", .format = self.cinfo.image_format, .components = .{ .r = .identity, .g = .identity, .b = .identity, .a = .identity }, .subresource_range = .{
+            .aspect_mask = .{ .color_bit = true },
+            .base_mip_level = 0,
+            .level_count = 1,
+            .base_array_layer = 0,
+            .layer_count = 1,
+        } }, null);
+    }
+
     // todo repopulate images and synchronization
 
     return true;
 }
 
-pub fn get(self: Self, idx: u32) vk.Image {
+pub fn getImage(self: Self, idx: u32) vk.Image {
     return self.images.items[idx];
 }
+
+pub fn getView(self: Self, idx: u32) vk.ImageView {
+    return self.views.items[idx];
+}