fixing some tests

src/vulkan/DescriptorPool.zig

@@ -2,11 +2,12 @@ const std = @import("std");
 const vk = @import("vulkan");
 
 const VkError = @import("error_set.zig").VkError;
-const Dispatchable = @import("Dispatchable.zig").Dispatchable;
+const NonDispatchable = @import("NonDispatchable.zig").NonDispatchable;
 
 const Device = @import("Device.zig");
 
 const DescriptorSet = @import("DescriptorSet.zig");
+const DescriptorSetLayout = @import("DescriptorSetLayout.zig");
 
 const Self = @This();
 pub const ObjectType: vk.ObjectType = .descriptor_pool;
@@ -17,8 +18,9 @@ flags: vk.DescriptorPoolCreateFlags,
 vtable: *const VTable,
 
 pub const VTable = struct {
+    allocateDescriptorSet: *const fn (*Self, *DescriptorSetLayout) VkError!*DescriptorSet,
     destroy: *const fn (*Self, std.mem.Allocator) void,
-    freeDescriptorSets: *const fn (*Self, []*Dispatchable(DescriptorSet)) VkError!void,
+    freeDescriptorSet: *const fn (*Self, *DescriptorSet) VkError!void,
 };
 
 pub fn init(device: *Device, allocator: std.mem.Allocator, info: *const vk.DescriptorPoolCreateInfo) VkError!Self {
@@ -30,10 +32,14 @@ pub fn init(device: *Device, allocator: std.mem.Allocator, info: *const vk.Descr
     };
 }
 
+pub inline fn allocateDescriptorSet(self: *Self, layout: *DescriptorSetLayout) VkError!*DescriptorSet {
+    return self.vtable.allocateDescriptorSet(self, layout);
+}
+
 pub inline fn destroy(self: *Self, allocator: std.mem.Allocator) void {
     self.vtable.destroy(self, allocator);
 }
 
-pub inline fn freeDescriptorSets(self: *Self, sets: []*Dispatchable(DescriptorSet)) VkError!void {
-    try self.vtable.freeDescriptorSets(self, sets);
+pub inline fn freeDescriptorSet(self: *Self, set: *DescriptorSet) VkError!void {
+    try self.vtable.freeDescriptorSet(self, set);
 }