ci skip; start of update to zig 0.16

src/soft/SoftDescriptorPool.zig

@@ -14,6 +14,8 @@ pub const Interface = base.DescriptorPool;
 
 interface: Interface,
 
+list: std.ArrayList(*SoftDescriptorSet),
+
 pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const vk.DescriptorPoolCreateInfo) VkError!*Self {
     const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
     errdefer allocator.destroy(self);
@@ -24,27 +26,48 @@ pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const v
         .allocateDescriptorSet = allocateDescriptorSet,
         .destroy = destroy,
         .freeDescriptorSet = freeDescriptorSet,
+        .reset = reset,
     };
 
     self.* = .{
         .interface = interface,
+        .list = std.ArrayList(*SoftDescriptorSet).initCapacity(allocator, info.max_sets) catch return VkError.OutOfHostMemory,
     };
     return self;
 }
 
 pub fn allocateDescriptorSet(interface: *Interface, layout: *base.DescriptorSetLayout) VkError!*base.DescriptorSet {
+    const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
     const allocator = VulkanAllocator.init(null, .object).allocator();
     const set = try SoftDescriptorSet.create(interface.owner, allocator, layout);
+    self.list.appendAssumeCapacity(set);
     return &set.interface;
 }
 
 pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) void {
     const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
+    self.list.deinit(allocator);
     allocator.destroy(self);
 }
 
 pub fn freeDescriptorSet(interface: *Interface, set: *base.DescriptorSet) VkError!void {
-    _ = interface;
+    const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
+    const soft_set: *SoftDescriptorSet = @alignCast(@fieldParentPtr("interface", set));
+
+    if (std.mem.indexOfScalar(*SoftDescriptorSet, self.list.items, soft_set)) |pos| {
+        _ = self.list.orderedRemove(pos);
+    }
+
     const allocator = VulkanAllocator.init(null, .object).allocator();
-    allocator.destroy(set);
+    allocator.destroy(soft_set);
+}
+
+pub fn reset(interface: *Interface, _: vk.DescriptorPoolResetFlags) VkError!void {
+    const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
+    const allocator = VulkanAllocator.init(null, .object).allocator();
+
+    for (self.list.items) |set| {
+        allocator.destroy(set);
+    }
+    self.list.clearRetainingCapacity();
 }