From a3df2cadd277de5c089bae403973480bc9a888c8 Mon Sep 17 00:00:00 2001
From: Kbz-8 <kbz_8.code@proton.me>
Date: Wed, 26 Nov 2025 21:49:31 +0100
Subject: [PATCH] adding base descriptors

---
 src/vulkan/DescriptorPool.zig      | 30 ++++++++++++++++++++++
 src/vulkan/DescriptorSet.zig       | 41 ++++++++++++++++++++++++++++++
 src/vulkan/DescriptorSetLayout.zig | 28 ++++++++++++++++++++
 src/vulkan/lib.zig                 |  3 +++
 src/vulkan/lib_vulkan.zig          |  3 +++
 5 files changed, 105 insertions(+)
 create mode 100644 src/vulkan/DescriptorPool.zig
 create mode 100644 src/vulkan/DescriptorSet.zig
 create mode 100644 src/vulkan/DescriptorSetLayout.zig

diff --git a/src/vulkan/DescriptorPool.zig b/src/vulkan/DescriptorPool.zig
new file mode 100644
index 0000000..2ea2a31
--- /dev/null
+++ b/src/vulkan/DescriptorPool.zig
@@ -0,0 +1,30 @@
+const std = @import("std");
+const vk = @import("vulkan");
+
+const VkError = @import("error_set.zig").VkError;
+
+const Device = @import("Device.zig");
+
+const Self = @This();
+pub const ObjectType: vk.ObjectType = .descriptor_pool;
+
+owner: *Device,
+flags: vk.DescriptorPoolCreateFlags,
+
+vtable: *const VTable,
+
+pub const VTable = struct {
+    destroy: *const fn (*Self, std.mem.Allocator) void,
+};
+
+pub fn init(device: *Device, allocator: std.mem.Allocator, info: *const vk.DescriptorPoolCreateInfo) VkError!Self {
+    _ = allocator;
+    return .{
+        .owner = device,
+        .flags = info.flags,
+    };
+}
+
+pub inline fn destroy(self: *Self, allocator: std.mem.Allocator) void {
+    self.vtable.destroy(self, allocator);
+}
diff --git a/src/vulkan/DescriptorSet.zig b/src/vulkan/DescriptorSet.zig
new file mode 100644
index 0000000..4d8aa05
--- /dev/null
+++ b/src/vulkan/DescriptorSet.zig
@@ -0,0 +1,41 @@
+const std = @import("std");
+const vk = @import("vulkan");
+
+const NonDispatchable = @import("NonDispatchable.zig");
+
+const VkError = @import("error_set.zig").VkError;
+
+const Device = @import("Device.zig");
+
+const DescriptorSetLayout = @import("DescriptorSetLayout.zig");
+
+const Self = @This();
+pub const ObjectType: vk.ObjectType = .descriptor_set;
+
+owner: *Device,
+layouts: []*const DescriptorSetLayout,
+
+vtable: *const VTable,
+
+pub const VTable = struct {
+    destroy: *const fn (*Self, std.mem.Allocator) void,
+};
+
+pub fn init(device: *Device, allocator: std.mem.Allocator, info: *const vk.DescriptorSetAllocateInfo) VkError!Self {
+    var layouts = allocator.alloc(*DescriptorSetLayout, info.descriptor_set_count) catch return VkError.OutOfHostMemory;
+    errdefer allocator.free(layouts);
+
+    for (info.p_set_layouts, 0..info.descriptor_set_count) |p_set_layout, i| {
+        layouts[i] = try NonDispatchable(DescriptorSetLayout).fromHandleObject(p_set_layout);
+    }
+
+    return .{
+        .owner = device,
+        .layouts = layouts,
+    };
+}
+
+pub inline fn destroy(self: *Self, allocator: std.mem.Allocator) void {
+    allocator.free(self.layouts);
+    self.vtable.destroy(self, allocator);
+}
diff --git a/src/vulkan/DescriptorSetLayout.zig b/src/vulkan/DescriptorSetLayout.zig
new file mode 100644
index 0000000..a50ccc3
--- /dev/null
+++ b/src/vulkan/DescriptorSetLayout.zig
@@ -0,0 +1,28 @@
+const std = @import("std");
+const vk = @import("vulkan");
+
+const VkError = @import("error_set.zig").VkError;
+const Device = @import("Device.zig");
+
+const Self = @This();
+pub const ObjectType: vk.ObjectType = .descriptor_set_layout;
+
+owner: *Device,
+bindings: []const vk.DescriptorSetLayoutBinding,
+
+vtable: *const VTable,
+
+pub const VTable = struct {
+    destroy: *const fn (*Self, std.mem.Allocator) void,
+};
+
+pub fn init(device: *Device, allocator: std.mem.Allocator, info: *const vk.DescriptorSetLayoutCreateInfo) VkError!Self {
+    return .{
+        .owner = device,
+        .bindings = allocator.dupe(info.bindings[0..info.binding_count]) catch return VkError.OutOfHostMemory,
+    };
+}
+
+pub inline fn destroy(self: *Self, allocator: std.mem.Allocator) void {
+    self.vtable.destroy(self, allocator);
+}
diff --git a/src/vulkan/lib.zig b/src/vulkan/lib.zig
index 3232d89..8da8c58 100644
--- a/src/vulkan/lib.zig
+++ b/src/vulkan/lib.zig
@@ -24,6 +24,9 @@ pub const Queue = @import("Queue.zig");
 pub const Buffer = @import("Buffer.zig");
 pub const CommandBuffer = @import("CommandBuffer.zig");
 pub const CommandPool = @import("CommandPool.zig");
+pub const DescriptorPool = @import("DescriptorPool.zig");
+pub const DescriptorSet = @import("DescriptorSet.zig");
+pub const DescriptorSetLayout = @import("DescriptorSetLayout.zig");
 pub const DeviceMemory = @import("DeviceMemory.zig");
 pub const Fence = @import("Fence.zig");
 pub const Image = @import("Image.zig");
diff --git a/src/vulkan/lib_vulkan.zig b/src/vulkan/lib_vulkan.zig
index afe18ac..1790a4a 100644
--- a/src/vulkan/lib_vulkan.zig
+++ b/src/vulkan/lib_vulkan.zig
@@ -26,6 +26,9 @@ const Buffer = @import("Buffer.zig");
 const CommandBuffer = @import("CommandBuffer.zig");
 const CommandPool = @import("CommandPool.zig");
 const DeviceMemory = @import("DeviceMemory.zig");
+const DescriptorPool = @import("DescriptorPool.zig");
+const DescriptorSet = @import("DescriptorSet.zig");
+const DescriptorSetLayout = @import("DescriptorSetLayout.zig");
 const Fence = @import("Fence.zig");
 const Image = @import("Image.zig");
 const ImageView = @import("ImageView.zig");