fixing some tests

src/soft/SoftDescriptorPool.zig

@@ -3,8 +3,12 @@ const vk = @import("vulkan");
 const base = @import("base");
 
 const VkError = base.VkError;
+const VulkanAllocator = base.VulkanAllocator;
+
 const Device = base.Device;
 
+const SoftDescriptorSet = @import("SoftDescriptorSet.zig");
+
 const Self = @This();
 pub const Interface = base.DescriptorPool;
 
@@ -17,8 +21,9 @@ pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const v
     var interface = try Interface.init(device, allocator, info);
 
     interface.vtable = &.{
+        .allocateDescriptorSet = allocateDescriptorSet,
         .destroy = destroy,
-        .freeDescriptorSets = freeDescriptorSets,
+        .freeDescriptorSet = freeDescriptorSet,
     };
 
     self.* = .{
@@ -27,12 +32,19 @@ pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const v
     return self;
 }
 
+pub fn allocateDescriptorSet(interface: *Interface, layout: *base.DescriptorSetLayout) VkError!*base.DescriptorSet {
+    const allocator = VulkanAllocator.init(null, .object).allocator();
+    const set = try SoftDescriptorSet.create(interface.owner, allocator, layout);
+    return &set.interface;
+}
+
 pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) void {
     const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
     allocator.destroy(self);
 }
 
-pub fn freeDescriptorSets(interface: *Interface, sets: []*base.Dispatchable(base.DescriptorSet)) VkError!void {
+pub fn freeDescriptorSet(interface: *Interface, set: *base.DescriptorSet) VkError!void {
     _ = interface;
-    _ = sets;
+    const allocator = VulkanAllocator.init(null, .object).allocator();
+    allocator.destroy(set);
 }