Continue refactor

src/Context.zig

@@ -0,0 +1,340 @@
+const std = @import("std");
+const builtin = @import("builtin");
+
+const vk = @import("vulkan");
+const sdl = @import("sdl");
+const img = @import("zstbi");
+
+const validation = @import("validation_layers.zig");
+const Swapchain = @import("Swapchain.zig");
+const QueueUtils = @import("queue_utils.zig");
+
+const device_extensions = [_][*:0]const u8{vk.extensions.khr_swapchain.name};
+
+pub const apis: []const vk.ApiInfo = &.{
+    vk.features.version_1_0,
+    vk.features.version_1_1,
+    vk.features.version_1_2,
+    vk.features.version_1_3,
+    vk.extensions.khr_surface,
+    vk.extensions.khr_swapchain,
+    vk.extensions.ext_debug_utils,
+};
+
+const enable_validation_layers = builtin.mode == .Debug;
+const validation_layers = [_][*:0]const u8{"VK_LAYER_KHRONOS_validation"};
+
+const BaseDispatch = vk.BaseWrapper(apis);
+const InstanceDispatch = vk.InstanceWrapper(apis);
+const DeviceDispatch = vk.DeviceWrapper(apis);
+
+pub const Instance = vk.InstanceProxy(apis);
+pub const Device = vk.DeviceProxy(apis);
+pub const Queue = vk.QueueProxy(apis);
+
+// ---
+
+const Self = @This();
+
+allocator: std.mem.Allocator,
+
+vkb: BaseDispatch,
+
+window: sdl.Window,
+
+instance: Instance,
+physical_device: vk.PhysicalDevice,
+device: Device,
+
+command_pool: vk.CommandPool,
+graphics_queue: Queue,
+presentation_queue: Queue,
+surface: vk.SurfaceKHR,
+swapchain: Swapchain,
+
+debug_utils: ?vk.DebugUtilsMessengerEXT,
+
+pub fn init(allocator: std.mem.Allocator, window: sdl.Window) !Self {
+    var self: Self = undefined;
+
+    self.window = window;
+    self.allocator = allocator;
+    self.vkb = try BaseDispatch.load(try sdl.vulkan.getVkGetInstanceProcAddr());
+
+    img.init(allocator);
+
+    try self.createInstance();
+
+    if (enable_validation_layers) {
+        self.debug_utils = try validation.createDebugMessenger(self.instance);
+    }
+
+    try self.createSurface();
+
+    try self.getPhysicalDevice();
+    try self.createLogicalDevice();
+    self.swapchain = try Swapchain.create(allocator, self);
+
+    return self;
+}
+
+pub fn deinit(self: *Self) void {
+    if (enable_validation_layers) {
+        self.instance.destroyDebugUtilsMessengerEXT(self.debug_utils.?, null);
+    }
+
+    self.device.destroyDevice(null);
+    self.instance.destroySurfaceKHR(self.surface, null);
+    self.instance.destroyInstance(null);
+
+    self.allocator.destroy(self.device.wrapper);
+    self.allocator.destroy(self.instance.wrapper);
+
+    img.deinit();
+}
+
+fn createInstance(self: *Self) !void {
+    if (enable_validation_layers and !self.checkValidationLayersSupport()) {
+        // TODO Better error
+        return error.LayerNotPresent;
+    }
+
+    const extensions = try self.getRequiredExtensions();
+    defer self.allocator.free(extensions);
+
+    std.debug.print("[Required instance extensions]\n", .{});
+    for (extensions) |ext| {
+        std.debug.print("\t- {s}\n", .{ext});
+    }
+
+    if (!try self.checkInstanceExtensions(&extensions)) {
+        return error.ExtensionNotPresent;
+    }
+
+    const app_info = vk.ApplicationInfo{
+        .p_application_name = "Vulkan SDL Test",
+        .application_version = vk.makeApiVersion(0, 0, 1, 0),
+        .p_engine_name = "Vulkan SDL Test",
+        .engine_version = vk.makeApiVersion(0, 0, 1, 0),
+        .api_version = vk.API_VERSION_1_3,
+    };
+
+    var instance_create_info: vk.InstanceCreateInfo = .{
+        .p_application_info = &app_info,
+        .enabled_extension_count = @intCast(extensions.len),
+        .pp_enabled_extension_names = @ptrCast(extensions),
+    };
+
+    if (enable_validation_layers) {
+        const debug_create_info = validation.getDebugUtilsCreateInfo();
+
+        instance_create_info.enabled_layer_count = @intCast(validation_layers.len);
+        instance_create_info.pp_enabled_layer_names = &validation_layers;
+        instance_create_info.p_next = &debug_create_info;
+    }
+
+    const instance_handle = try self.vkb.createInstance(&instance_create_info, null);
+    const vki = try self.allocator.create(InstanceDispatch);
+    errdefer self.allocator.destroy(vki);
+    vki.* = try InstanceDispatch.load(instance_handle, self.vkb.dispatch.vkGetInstanceProcAddr);
+
+    self.instance = Instance.init(instance_handle, vki);
+}
+
+fn createSurface(self: *Self) !void {
+    self.surface = try sdl.vulkan.createSurface(self.window, self.instance.handle);
+}
+
+fn getPhysicalDevice(self: *Self) !void {
+    var pdev_count: u32 = 0;
+    _ = try self.instance.enumeratePhysicalDevices(&pdev_count, null);
+
+    const pdevs = try self.allocator.alloc(vk.PhysicalDevice, pdev_count);
+    defer self.allocator.free(pdevs);
+
+    _ = try self.instance.enumeratePhysicalDevices(&pdev_count, pdevs.ptr);
+
+    for (pdevs) |pdev| {
+        if (self.checkDeviceSuitable(pdev)) {
+            self.physical_device = pdev;
+            break;
+        }
+    } else {
+        // TODO Obviously needs to be something else
+        unreachable;
+    }
+}
+
+fn createLogicalDevice(self: *Self) !void {
+    const indices = try QueueUtils.getQueueFamilies(self.*, self.physical_device);
+    // 1 is the highest priority
+    const priority = [_]f32{1};
+
+    const qci = [_]vk.DeviceQueueCreateInfo{
+        .{
+            .queue_family_index = indices.graphics_family.?,
+            .queue_count = 1,
+            .p_queue_priorities = &priority,
+        },
+        .{
+            .queue_family_index = indices.presentation_family.?,
+            .queue_count = 1,
+            .p_queue_priorities = &priority,
+        },
+    };
+
+    const queue_count: u32 = if (indices.graphics_family.? == indices.presentation_family.?)
+        1
+    else
+        2;
+
+    // Device features
+    const device_features: vk.PhysicalDeviceFeatures = .{
+        .sampler_anisotropy = vk.TRUE, // Enable anisotropy
+    };
+
+    const device_create_info: vk.DeviceCreateInfo = .{
+        .queue_create_info_count = queue_count,
+        .p_queue_create_infos = &qci,
+        .pp_enabled_extension_names = &device_extensions,
+        .enabled_extension_count = @intCast(device_extensions.len),
+        .p_enabled_features = &device_features,
+    };
+
+    const device_handle = try self.instance.createDevice(self.physical_device, &device_create_info, null);
+
+    const vkd = try self.allocator.create(DeviceDispatch);
+    errdefer self.allocator.destroy(vkd);
+    vkd.* = try DeviceDispatch.load(device_handle, self.instance.wrapper.dispatch.vkGetDeviceProcAddr);
+
+    self.device = Device.init(device_handle, vkd);
+
+    const queues = try QueueUtils.getDeviceQueues(self.*);
+
+    self.graphics_queue = Queue.init(queues[0], self.device.wrapper);
+    self.presentation_queue = Queue.init(queues[1], self.device.wrapper);
+}
+
+fn createCommandPool(self: *Self) !void {
+    // Get indices of queue families from device
+    const queue_family_indices = try QueueUtils.getQueueFamilies(self.*, self.physical_device);
+
+    const pool_create_info: vk.CommandPoolCreateInfo = .{
+        // Queue family type that buffers from this command pool will use
+        .queue_family_index = queue_family_indices.graphics_family.?,
+        .flags = .{ .reset_command_buffer_bit = true },
+    };
+
+    // Create a graphics queue family command pool
+    self.graphics_command_pool = try self.device.createCommandPool(&pool_create_info, null);
+}
+
+fn getRequiredExtensions(self: Self) ![][*:0]const u8 {
+    var ext_count = sdl.vulkan.getInstanceExtensionsCount(self.window);
+
+    if (enable_validation_layers) {
+        ext_count += 1;
+    }
+
+    var extensions = try self.allocator.alloc([*:0]const u8, ext_count);
+    _ = try sdl.vulkan.getInstanceExtensions(self.window, extensions);
+
+    if (enable_validation_layers) {
+        extensions[extensions.len - 1] = vk.extensions.ext_debug_utils.name;
+    }
+
+    return extensions;
+}
+
+fn checkInstanceExtensions(self: Self, required_extensions: *const [][*:0]const u8) !bool {
+    var prop_count: u32 = 0;
+    _ = try self.vkb.enumerateInstanceExtensionProperties(null, &prop_count, null);
+
+    const props = try self.allocator.alloc(vk.ExtensionProperties, prop_count);
+    defer self.allocator.free(props);
+
+    _ = try self.vkb.enumerateInstanceExtensionProperties(null, &prop_count, props.ptr);
+
+    for (required_extensions.*) |required_extension| {
+        for (props) |prop| {
+            if (std.mem.eql(u8, std.mem.sliceTo(&prop.extension_name, 0), std.mem.span(required_extension))) {
+                break;
+            }
+        } else {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+fn checkDeviceExtensions(self: Self, pdev: vk.PhysicalDevice) !bool {
+    var prop_count: u32 = 0;
+    _ = try self.instance.enumerateDeviceExtensionProperties(pdev, null, &prop_count, null);
+
+    if (prop_count == 0) {
+        return false;
+    }
+
+    const props = try self.allocator.alloc(vk.ExtensionProperties, prop_count);
+    defer self.allocator.free(props);
+
+    _ = try self.instance.enumerateDeviceExtensionProperties(pdev, null, &prop_count, props.ptr);
+
+    for (device_extensions) |device_extension| {
+        for (props) |prop| {
+            if (std.mem.eql(u8, std.mem.sliceTo(&prop.extension_name, 0), std.mem.span(device_extension))) {
+                break;
+            }
+        } else {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+fn checkDeviceSuitable(self: Self, pdev: vk.PhysicalDevice) bool {
+    const pdev_properties = self.instance.getPhysicalDeviceProperties(pdev);
+
+    if (pdev_properties.device_type == .cpu) {
+        return false;
+    }
+
+    const pdev_features = self.instance.getPhysicalDeviceFeatures(pdev);
+    const queue_family_indices = QueueUtils.getQueueFamilies(self, pdev) catch return false;
+    const extension_support = self.checkDeviceExtensions(pdev) catch return false;
+
+    const swapchain_details = Swapchain.getSwapchainDetails(
+        self.allocator,
+        self.instance,
+        pdev,
+        self.surface,
+    ) catch return false;
+    defer self.allocator.free(swapchain_details.formats);
+    defer self.allocator.free(swapchain_details.presentation_modes);
+
+    const swapchain_valid = swapchain_details.formats.len != 0 and swapchain_details.formats.len != 0;
+
+    return queue_family_indices.isValid() and extension_support and swapchain_valid and pdev_features.sampler_anisotropy == vk.TRUE;
+}
+
+fn checkValidationLayersSupport(self: Self) bool {
+    var layer_count: u32 = undefined;
+    _ = self.vkb.enumerateInstanceLayerProperties(&layer_count, null) catch return false;
+
+    const available_layers = self.allocator.alloc(vk.LayerProperties, layer_count) catch unreachable;
+    defer self.allocator.free(available_layers);
+
+    _ = self.vkb.enumerateInstanceLayerProperties(&layer_count, available_layers.ptr) catch return false;
+
+    for (validation_layers) |validation_layer| {
+        for (available_layers) |available_layer| {
+            if (std.mem.eql(u8, std.mem.span(validation_layer), std.mem.sliceTo(&available_layer.layer_name, 0))) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}

src/Mesh.zig

@@ -2,6 +2,7 @@ const std = @import("std");
 const vk = @import("vulkan");
 const zm = @import("zmath");
 
+const Context = @import("Context.zig");
 const Utilities = @import("utilities.zig");
 const Vertex = Utilities.Vertex;
 const Device = @import("vulkan_renderer.zig").Device;
@@ -11,7 +12,6 @@ const Model = @import("vulkan_renderer.zig").Model;
 const Self = @This();
 
 ubo_model: Model,
-tex_id: u32,
 
 vertex_count: u32,
 vertex_buffer: vk.Buffer,
@@ -21,16 +21,20 @@ index_count: u32,
 index_buffer: vk.Buffer,
 index_buffer_memory: vk.DeviceMemory,
 
-instance: Instance,
-physical_device: vk.PhysicalDevice,
-device: Device,
+ctx: Context,
 
 allocator: std.mem.Allocator,
 
+<<<<<<< Updated upstream
 pub fn new(
     instance: Instance,
     pdev: vk.PhysicalDevice,
     device: Device,
+=======
+pub fn create(
+    allocator: std.mem.Allocator,
+    ctx: Context,
+>>>>>>> Stashed changes
     transfer_queue: vk.Queue,
     transfer_command_pool: vk.CommandPool,
     vertices: []const Vertex,
@@ -40,13 +44,12 @@ pub fn new(
 ) !Self {
     var self: Self = undefined;
 
+    self.allocator = allocator;
+
     self.vertex_count = @intCast(vertices.len);
     self.index_count = @intCast(indices.len);
 
-    self.instance = instance;
-    self.physical_device = pdev;
-    self.device = device;
-    self.allocator = allocator;
+    self.ctx = ctx;
 
     try self.createVertexBuffer(transfer_queue, transfer_command_pool, vertices);
     try self.createIndexBuffer(transfer_queue, transfer_command_pool, indices);
@@ -57,12 +60,18 @@ pub fn new(
     return self;
 }
 
+<<<<<<< Updated upstream
 pub fn destroyBuffers(self: Self) void {
     self.device.destroyBuffer(self.vertex_buffer, null);
     self.device.freeMemory(self.vertex_buffer_memory, null);
+=======
+pub fn destroy(self: Self) void {
+    self.ctx.device.destroyBuffer(self.vertex_buffer, null);
+    self.ctx.device.freeMemory(self.vertex_buffer_memory, null);
+>>>>>>> Stashed changes
 
-    self.device.destroyBuffer(self.index_buffer, null);
-    self.device.freeMemory(self.index_buffer_memory, null);
+    self.ctx.device.destroyBuffer(self.index_buffer, null);
+    self.ctx.device.freeMemory(self.index_buffer_memory, null);
 }
 
 fn createVertexBuffer(
@@ -77,14 +86,12 @@ fn createVertexBuffer(
     // Temporary buffer to "stage" vertex data before transfering to GPU
     var staging_buffer: vk.Buffer = undefined;
     var staging_buffer_memory: vk.DeviceMemory = undefined;
-    defer self.device.destroyBuffer(staging_buffer, null);
-    defer self.device.freeMemory(staging_buffer_memory, null);
+    defer self.ctx.device.destroyBuffer(staging_buffer, null);
+    defer self.ctx.device.freeMemory(staging_buffer_memory, null);
 
     // Create buffer and allocate memory to it
     try Utilities.createBuffer(
-        self.physical_device,
-        self.instance,
-        self.device,
+        self.ctx,
         buffer_size,
         .{ .transfer_src_bit = true },
         .{ .host_visible_bit = true, .host_coherent_bit = true },
@@ -95,21 +102,19 @@ fn createVertexBuffer(
     // Map memory to vertex
     // 1. Create pointer to a point in normal memory
     // 2. Map the vertex buffer memory to that point
-    const data = try self.device.mapMemory(staging_buffer_memory, 0, buffer_size, .{});
+    const data = try self.ctx.device.mapMemory(staging_buffer_memory, 0, buffer_size, .{});
     // 3. Copy memory from vertices vector to the point in memory
     const gpu_vertices: [*]Vertex = @ptrCast(@alignCast(data));
     @memcpy(gpu_vertices, vertices[0..]);
     // 4. Unmap the vertex buffer memory
-    self.device.unmapMemory(staging_buffer_memory);
+    self.ctx.device.unmapMemory(staging_buffer_memory);
 
     // ---
 
     // Create buffer with TRANSFER_DST_BIT to mark as recipient of transfer data (also VERTEX_BUFFER)
     // Buffer memory is to be DEVICE_LOCAL_BIT meaning memory is on the GPU and only accessible by it and not CPU (host)
     try Utilities.createBuffer(
-        self.physical_device,
-        self.instance,
-        self.device,
+        self.ctx,
         buffer_size,
         .{ .transfer_dst_bit = true, .vertex_buffer_bit = true },
         .{ .device_local_bit = true },
@@ -119,7 +124,7 @@ fn createVertexBuffer(
 
     // Copy staging buffer to vertex buffer on GPU
     try Utilities.copyBuffer(
-        self.device,
+        self.ctx,
         transfer_queue,
         transfer_command_pool,
         staging_buffer,
@@ -140,13 +145,11 @@ fn createIndexBuffer(
     // Temporary buffer to "stage" vertex data before transfering to GPU
     var staging_buffer: vk.Buffer = undefined;
     var staging_buffer_memory: vk.DeviceMemory = undefined;
-    defer self.device.destroyBuffer(staging_buffer, null);
-    defer self.device.freeMemory(staging_buffer_memory, null);
+    defer self.ctx.device.destroyBuffer(staging_buffer, null);
+    defer self.ctx.device.freeMemory(staging_buffer_memory, null);
 
     try Utilities.createBuffer(
-        self.physical_device,
-        self.instance,
-        self.device,
+        self.ctx,
         buffer_size,
         .{ .transfer_src_bit = true },
         .{ .host_visible_bit = true, .host_coherent_bit = true },
@@ -155,16 +158,14 @@ fn createIndexBuffer(
     );
 
     // Map memory to index buffer
-    const data = try self.device.mapMemory(staging_buffer_memory, 0, buffer_size, .{});
+    const data = try self.ctx.device.mapMemory(staging_buffer_memory, 0, buffer_size, .{});
     const gpu_vertices: [*]u32 = @ptrCast(@alignCast(data));
     @memcpy(gpu_vertices, indices[0..]);
-    self.device.unmapMemory(staging_buffer_memory);
+    self.ctx.device.unmapMemory(staging_buffer_memory);
 
     // Create buffer for index data on GPU access only
     try Utilities.createBuffer(
-        self.physical_device,
-        self.instance,
-        self.device,
+        self.ctx,
         buffer_size,
         .{ .transfer_dst_bit = true, .index_buffer_bit = true },
         .{ .device_local_bit = true },
@@ -174,7 +175,7 @@ fn createIndexBuffer(
 
     // Copy from staging buffer to GPU access buffer
     try Utilities.copyBuffer(
-        self.device,
+        self.ctx,
         transfer_queue,
         transfer_command_pool,
         staging_buffer,

src/MeshModel.zig

@@ -15,7 +15,20 @@ allocator: std.mem.Allocator,
 mesh_list: std.ArrayList(Mesh),
 model: zm.Mat,
 
+<<<<<<< Updated upstream
 pub fn new(allocator: std.mem.Allocator, mesh_list: std.ArrayList(Mesh)) Self {
+=======
+sampler_descriptor_sets: std.ArrayList(vk.DescriptorSet),
+
+pub fn new(
+    allocator: std.mem.Allocator,
+    ctx: Context,
+    graphics_command_pool: vk.CommandPool,
+    texture_sampler: vk.Sampler,
+    model_file: []const u8,
+) Self {
+    _ = texture_sampler;
+>>>>>>> Stashed changes
     var new_mesh_model: Self = undefined;
 
     new_mesh_model.allocator = allocator;

src/ResourceManager.zig

@@ -0,0 +1,55 @@
+const std = @import("std");
+const vk = @import("vulkan");
+
+const Context = @import("Context.zig");
+const Mesh = @import("Mesh.zig");
+const Material = @import("Material.zig");
+
+const Self = @This();
+
+allocator: std.mem.Allocator,
+
+ctx: Context,
+
+sampler_descriptor_pool: vk.DescriptorPool,
+sampler_descriptor_set_layout: vk.DescriptorSetLayout,
+
+mesh_cache: std.AutoArrayHashMap([]const u8, Mesh),
+material_cache: std.AutoArrayHashMap([]const u8, Material),
+
+pub fn new(allocator: std.mem.Allocator, ctx: Context) Self {
+    var self: Self = undefined;
+
+    self.allocator = allocator;
+    self.ctx = ctx;
+
+    self.mesh_cache = std.AutoArrayHashMap([]const u8, Mesh).init(allocator);
+    self.material_cache = std.AutoArrayHashMap([]const u8, Material).init(allocator);
+
+    return self;
+}
+
+pub fn deinit(self: *Self) void {
+    // TODO Release resources properly
+    self.mesh_cache.deinit();
+    self.material_cache.deinit();
+}
+
+pub fn getMesh(self: *Self, file_name: []const u8) !Mesh {
+    if (self.mesh_cache.get(file_name)) |mesh| {
+        return mesh;
+    }
+
+    // TODO Create mesh
+    // load mesh
+
+    return undefined;
+}
+
+fn allocateDescriptorSet(self: *Self) !void {
+    // TODO
+}
+
+fn createDescriptorSetLayout(self: *Self) !void {
+    // TODO
+}

src/Texture.zig

@@ -0,0 +1,200 @@
+const std = @import("std");
+const vk = @import("vulkan");
+const img = @import("zstbi");
+
+const Context = @import("Context.zig");
+const Image = @import("image.zig");
+const Utilities = @import("utilities.zig");
+
+const Self = @This();
+
+allocator: std.mem.Allocator,
+
+ctx: Context,
+
+idx: u32,
+texture_image: vk.Image,
+texture_image_memory: vk.DeviceMemory,
+texture_image_view: vk.ImageView,
+
+sampler_descriptor_set: vk.DescriptorSet,
+
+image_file: img.Image,
+
+pub fn create(
+    file_name: []const u8,
+    ctx: Context,
+    graphics_command_pool: vk.CommandPool,
+    texture_sampler: vk.Sampler,
+    sampler_set_layout: vk.DescriptorSetLayout,
+    sampler_descriptor_pool: vk.DescriptorPool,
+) Self {
+    var self: Self = undefined;
+
+    self.ctx = ctx;
+
+    // Create texture image and get its location in the array
+    const texture_image_loc = try self.createTextureImage(file_name, graphics_command_pool);
+
+    // Create image view
+    self.texture_image_view = try Image.createImageView(
+        ctx,
+        self.texture_images.items[texture_image_loc],
+        .r8g8b8a8_srgb,
+        .{ .color_bit = true },
+    );
+
+    // Create texture descriptor
+    try self.createTextureDescriptor(
+        texture_sampler,
+        sampler_set_layout,
+        sampler_descriptor_pool,
+    );
+
+    // Return location of set with texture
+    return self;
+}
+
+pub fn destroy(self: *Self) void {
+    _ = self;
+}
+
+fn createTextureImage(
+    self: *Self,
+    file_name: []const u8,
+    graphics_command_pool: vk.CommandPool,
+) !u32 {
+    // Load image file
+    var width: u32 = undefined;
+    var height: u32 = undefined;
+    var image_size: vk.DeviceSize = undefined;
+    const image = try self.loadTextureFile(file_name, &width, &height, &image_size);
+
+    // Create staging buffer to hold loaded data, ready to copy to device
+    var image_staging_buffer: vk.Buffer = undefined;
+    var image_staging_buffer_memory: vk.DeviceMemory = undefined;
+    defer self.ctx.device.destroyBuffer(image_staging_buffer, null);
+    defer self.ctx.device.freeMemory(image_staging_buffer_memory, null);
+
+    try Utilities.createBuffer(
+        self.ctx.physical_device,
+        self.ctx.instance,
+        self.ctx.device,
+        image_size,
+        .{ .transfer_src_bit = true },
+        .{ .host_visible_bit = true, .host_coherent_bit = true },
+        &image_staging_buffer,
+        &image_staging_buffer_memory,
+    );
+
+    // Copy data to staging buffer
+    const data = try self.ctx.device.mapMemory(image_staging_buffer_memory, 0, image_size, .{});
+    const image_data: [*]u8 = @ptrCast(@alignCast(data));
+
+    @memcpy(image_data, image[0..]);
+    self.ctx.device.unmapMemory(image_staging_buffer_memory);
+
+    // Create image to hold final texture
+    var tex_image_memory: vk.DeviceMemory = undefined;
+    const tex_image = try Image.createImage(
+        self.ctx,
+        width,
+        height,
+        .r8g8b8a8_srgb,
+        .optimal,
+        .{ .transfer_dst_bit = true, .sampled_bit = true },
+        .{ .device_local_bit = true },
+        &tex_image_memory,
+    );
+
+    // Transition image to be DST for copy operation
+    try Utilities.transitionImageLayout(
+        self.ctx.device,
+        self.ctx.graphics_queue.handle,
+        graphics_command_pool,
+        tex_image,
+        .undefined,
+        .transfer_dst_optimal,
+    );
+
+    // Copy data to image
+    try Utilities.copyImageBuffer(
+        self.ctx.device,
+        self.ctx.graphics_queue.handle,
+        graphics_command_pool,
+        image_staging_buffer,
+        tex_image,
+        width,
+        height,
+    );
+
+    // Transition image to be shader readable for shader usage
+    try Utilities.transitionImageLayout(
+        self.ctx.device,
+        self.ctx.graphics_queue.handle,
+        graphics_command_pool,
+        tex_image,
+        .transfer_dst_optimal,
+        .shader_read_only_optimal,
+    );
+
+    self.texture_image = tex_image;
+    self.texture_image_memory = tex_image_memory;
+
+    // Return index of new texture image
+    return @intCast(self.texture_images.items.len - 1);
+}
+
+fn createTextureDescriptor(
+    self: *Self,
+    texture_sampler: vk.Sampler,
+    sampler_set_layout: vk.DescriptorSetLayout,
+    sampler_descriptor_pool: vk.DescriptorPool,
+) !u32 {
+    // Descriptor set allocation info
+    const set_alloc_info: vk.DescriptorSetAllocateInfo = .{
+        .descriptor_pool = sampler_descriptor_pool,
+        .descriptor_set_count = 1,
+        .p_set_layouts = @ptrCast(&sampler_set_layout),
+    };
+
+    // Allocate descriptor sets
+    try self.ctx.device.allocateDescriptorSets(&set_alloc_info, @ptrCast(&self.sampler_descriptor_set));
+
+    const image_info: vk.DescriptorImageInfo = .{
+        .image_layout = .shader_read_only_optimal, // Image layout when in use
+        .image_view = self.texture_image_view, // Image to bind to set
+        .sampler = texture_sampler, // Sampler to use for set
+    };
+
+    // Descriptor write info
+    const descriptor_write: vk.WriteDescriptorSet = .{
+        .dst_set = self.sampler_descriptor_set,
+        .dst_binding = 0,
+        .dst_array_element = 0,
+        .descriptor_type = .combined_image_sampler,
+        .descriptor_count = 1,
+        .p_image_info = @ptrCast(&image_info),
+        .p_buffer_info = undefined,
+        .p_texel_buffer_view = undefined,
+    };
+
+    // Update the new descriptor set
+    self.ctx.device.updateDescriptorSets(1, @ptrCast(&descriptor_write), 0, null);
+}
+
+fn loadTextureFile(self: *Self, file_name: []const u8, width: *u32, height: *u32, image_size: *vk.DeviceSize) !void {
+    const path_concat = [2][]const u8{ "./assets/textures/", file_name };
+    const path = try std.mem.concatWithSentinel(self.allocator, u8, &path_concat, 0);
+    defer self.allocator.free(path);
+
+    const image = try img.Image.loadFromFile(path, 0);
+
+    width.* = image.width;
+    height.* = image.height;
+
+    // Calculate image size using given and known data
+    image_size.* = width.* * height.* * 4;
+
+    self.image_file = image;
+}

src/utilities.zig

@@ -1,8 +1,14 @@
 const std = @import("std");
 const vk = @import("vulkan");
 
+<<<<<<< Updated upstream
 const Instance = @import("vulkan_renderer.zig").Instance;
 const Device = @import("vulkan_renderer.zig").Device;
+=======
+const Context = @import("Context.zig");
+const Instance = @import("Context.zig").Instance;
+const Device = @import("Context.zig").Device;
+>>>>>>> Stashed changes
 const CommandBuffer = @import("vulkan_renderer.zig").CommandBuffer;
 
 pub const device_extensions = [_][*:0]const u8{vk.extensions.khr_swapchain.name};
@@ -17,6 +23,7 @@ pub const Vertex = struct {
     tex: Vector2, // Texture coords (u, v)
 };
 
+<<<<<<< Updated upstream
 pub const QueueFamilyIndices = struct {
     graphics_family: ?u32 = null,
     presentation_family: ?u32 = null,
@@ -38,8 +45,11 @@ pub const SwapchainImage = struct {
 };
 
 pub fn findMemoryTypeIndex(pdev: vk.PhysicalDevice, instance: Instance, allowed_types: u32, properties: vk.MemoryPropertyFlags) u32 {
+=======
+pub fn findMemoryTypeIndex(ctx: Context, allowed_types: u32, properties: vk.MemoryPropertyFlags) u32 {
+>>>>>>> Stashed changes
     // Get properties of physical device memory
-    const memory_properties = instance.getPhysicalDeviceMemoryProperties(pdev);
+    const memory_properties = ctx.instance.getPhysicalDeviceMemoryProperties(ctx.physical_device);
     const mem_type_count = memory_properties.memory_type_count;
 
     for (memory_properties.memory_types[0..mem_type_count], 0..mem_type_count) |mem_type, i| {
@@ -54,9 +64,7 @@ pub fn findMemoryTypeIndex(pdev: vk.PhysicalDevice, instance: Instance, allowed_
 }
 
 pub fn createBuffer(
-    pdev: vk.PhysicalDevice,
-    instance: Instance,
-    device: Device,
+    ctx: Context,
     buffer_size: vk.DeviceSize,
     buffer_usage: vk.BufferUsageFlags,
     buffer_properties: vk.MemoryPropertyFlags,
@@ -72,17 +80,16 @@ pub fn createBuffer(
         .sharing_mode = .exclusive, // Similar to swapchain images, can share vertex buffers
     };
 
-    buffer.* = try device.createBuffer(&buffer_create_info, null);
+    buffer.* = try ctx.device.createBuffer(&buffer_create_info, null);
 
     // Get buffer memory requirements
-    const mem_requirements = device.getBufferMemoryRequirements(buffer.*);
+    const mem_requirements = ctx.device.getBufferMemoryRequirements(buffer.*);
 
     // Allocate memory to buffer
     const allocate_info: vk.MemoryAllocateInfo = .{
         .allocation_size = mem_requirements.size,
         .memory_type_index = findMemoryTypeIndex(
-            pdev,
-            instance,
+            ctx,
             mem_requirements.memory_type_bits, // Index of memory type of physical device that has required bit flags
             // Host visible: CPU can interact with memory
             // Host coherent: Allows placement of data straight into buffer after mapping (otherwise would have to specify manually)
@@ -91,10 +98,10 @@ pub fn createBuffer(
     };
 
     // Allocate memory to vkDeviceMemory
-    buffer_memory.* = try device.allocateMemory(&allocate_info, null);
+    buffer_memory.* = try ctx.device.allocateMemory(&allocate_info, null);
 
     // Allocate memory to given vertex buffer
-    try device.bindBufferMemory(buffer.*, buffer_memory.*, 0);
+    try ctx.device.bindBufferMemory(buffer.*, buffer_memory.*, 0);
 }
 
 fn beginCommandBuffer(device: Device, command_pool: vk.CommandPool) !CommandBuffer {

src/vulkan_renderer.zig

@@ -59,9 +59,13 @@ pub const VulkanRenderer = struct {
 
     vkb: BaseDispatch,
 
+<<<<<<< Updated upstream
     window: sdl.Window,
 
     current_frame: u32 = 0,
+=======
+    ctx: Context,
+>>>>>>> Stashed changes
 
     // Scene settings
     ubo_view_projection: UboViewProjection,
@@ -122,9 +126,6 @@ pub const VulkanRenderer = struct {
 
     render_pass: vk.RenderPass,
 
-    // Pools
-    graphics_command_pool: vk.CommandPool,
-
     // Utilities
     swapchain_image_format: vk.Format,
     depth_format: vk.Format,
@@ -142,8 +143,11 @@ pub const VulkanRenderer = struct {
 
         self.window = window;
         self.current_frame = 0;
+<<<<<<< Updated upstream
         self.allocator = allocator;
         self.vkb = try BaseDispatch.load(try sdl.vulkan.getVkGetInstanceProcAddr());
+=======
+>>>>>>> Stashed changes
 
         img.init(allocator);
 
@@ -166,7 +170,11 @@ pub const VulkanRenderer = struct {
         try self.createFramebuffers();
         try self.createCommandPool();
 
+<<<<<<< Updated upstream
         self.sampler_descriptor_sets = try std.ArrayList(vk.DescriptorSet).initCapacity(self.allocator, self.swapchain_images.len);
+=======
+        self.sampler_descriptor_sets = try std.ArrayList(vk.DescriptorSet).initCapacity(self.allocator, self.ctx.swapchain.swapchain_images.len);
+>>>>>>> Stashed changes
 
         try self.createCommandBuffers();
         try self.createTextureSampler();
@@ -182,7 +190,11 @@ pub const VulkanRenderer = struct {
         self.texture_image_views = std.ArrayList(vk.ImageView).init(self.allocator);
         self.model_list = std.ArrayList(MeshModel).init(allocator);
 
+<<<<<<< Updated upstream
         const aspect: f32 = @as(f32, @floatFromInt(self.extent.width)) / @as(f32, @floatFromInt(self.extent.height));
+=======
+        const aspect: f32 = @as(f32, @floatFromInt(self.ctx.swapchain.extent.width)) / @as(f32, @floatFromInt(self.ctx.swapchain.extent.height));
+>>>>>>> Stashed changes
         self.ubo_view_projection.projection = zm.perspectiveFovRh(
             std.math.degreesToRadians(45.0),
             aspect,
@@ -226,8 +238,13 @@ pub const VulkanRenderer = struct {
 
         // -- Get next image
         // Get index of next image to be drawn to, and signal semaphore when ready to be drawn to
+<<<<<<< Updated upstream
         const image_index_result = try self.device.acquireNextImageKHR(
             self.swapchain,
+=======
+        const image_index_result = try self.ctx.device.acquireNextImageKHR(
+            self.ctx.swapchain.handle,
+>>>>>>> Stashed changes
             std.math.maxInt(u64),
             self.image_available[self.current_frame],
             .null_handle,
@@ -258,7 +275,11 @@ pub const VulkanRenderer = struct {
             .wait_semaphore_count = 1, // Number of semaphores to wait on
             .p_wait_semaphores = @ptrCast(&self.render_finished[self.current_frame]), // Semaphores to wait on
             .swapchain_count = 1, // Number of swapchains to present to
+<<<<<<< Updated upstream
             .p_swapchains = @ptrCast(&self.swapchain), // Swapchains to present images to
+=======
+            .p_swapchains = @ptrCast(&self.ctx.swapchain.handle), // Swapchains to present images to
+>>>>>>> Stashed changes
             .p_image_indices = @ptrCast(&image_index_result.image_index), // Index of images in swapchains to present
         };
 
@@ -331,9 +352,15 @@ pub const VulkanRenderer = struct {
         self.sampler_descriptor_sets.deinit();
         self.allocator.free(self.input_descriptor_sets);
 
+<<<<<<< Updated upstream
         for (0..self.swapchain_images.len) |i| {
             self.device.destroyBuffer(self.vp_uniform_buffer[i], null);
             self.device.freeMemory(self.vp_uniform_buffer_memory[i], null);
+=======
+        for (0..self.ctx.swapchain.swapchain_images.len) |i| {
+            self.ctx.device.destroyBuffer(self.vp_uniform_buffer[i], null);
+            self.ctx.device.freeMemory(self.vp_uniform_buffer_memory[i], null);
+>>>>>>> Stashed changes
         }
         self.allocator.free(self.vp_uniform_buffer);
         self.allocator.free(self.vp_uniform_buffer_memory);
@@ -352,7 +379,11 @@ pub const VulkanRenderer = struct {
             self.device.destroyFramebuffer(framebuffer, null);
         }
 
+<<<<<<< Updated upstream
         self.allocator.free(self.swapchain_framebuffers);
+=======
+        self.ctx.swapchain.deinit();
+>>>>>>> Stashed changes
 
         self.device.destroyPipeline(self.second_pipeline, null);
         self.device.destroyPipelineLayout(self.second_pipeline_layout, null);
@@ -616,7 +647,11 @@ pub const VulkanRenderer = struct {
 
         // Colour attachment of the render pass
         const swapchain_colour_attachment: vk.AttachmentDescription = .{
+<<<<<<< Updated upstream
             .format = self.swapchain_image_format, // Format to use for attachment
+=======
+            .format = self.ctx.swapchain.swapchain_image_format, // Format to use for attachment
+>>>>>>> Stashed changes
             .samples = .{ .@"1_bit" = true }, // Number of samples to write for multisampling
             .load_op = .clear, // Describes what to do with attachment before rendering
             .store_op = .store, // Describes what to do with attachment after rendering
@@ -787,9 +822,15 @@ pub const VulkanRenderer = struct {
     }
 
     fn createColourBufferImage(self: *Self) !void {
+<<<<<<< Updated upstream
         self.colour_buffer_image = try self.allocator.alloc(vk.Image, self.swapchain_images.len);
         self.colour_buffer_image_memory = try self.allocator.alloc(vk.DeviceMemory, self.swapchain_images.len);
         self.colour_buffer_image_view = try self.allocator.alloc(vk.ImageView, self.swapchain_images.len);
+=======
+        self.colour_buffer_image = try self.allocator.alloc(vk.Image, self.ctx.swapchain.swapchain_images.len);
+        self.colour_buffer_image_memory = try self.allocator.alloc(vk.DeviceMemory, self.ctx.swapchain.swapchain_images.len);
+        self.colour_buffer_image_view = try self.allocator.alloc(vk.ImageView, self.ctx.swapchain.swapchain_images.len);
+>>>>>>> Stashed changes
 
         // Get supported format for colour attachment
         const colour_format = chooseSupportedFormat(
@@ -802,9 +843,16 @@ pub const VulkanRenderer = struct {
 
         // Create colour buffers
         for (0..self.colour_buffer_image.len) |i| {
+<<<<<<< Updated upstream
             self.colour_buffer_image[i] = try self.createImage(
                 self.extent.width,
                 self.extent.height,
+=======
+            self.colour_buffer_image[i] = try Image.createImage(
+                self.ctx,
+                self.ctx.swapchain.extent.width,
+                self.ctx.swapchain.extent.height,
+>>>>>>> Stashed changes
                 colour_format,
                 .optimal,
                 .{ .color_attachment_bit = true, .input_attachment_bit = true },
@@ -821,9 +869,15 @@ pub const VulkanRenderer = struct {
     }
 
     fn createDepthBufferImage(self: *Self) !void {
+<<<<<<< Updated upstream
         self.depth_buffer_image = try self.allocator.alloc(vk.Image, self.swapchain_images.len);
         self.depth_buffer_image_memory = try self.allocator.alloc(vk.DeviceMemory, self.swapchain_images.len);
         self.depth_buffer_image_view = try self.allocator.alloc(vk.ImageView, self.swapchain_images.len);
+=======
+        self.depth_buffer_image = try self.allocator.alloc(vk.Image, self.ctx.swapchain.swapchain_images.len);
+        self.depth_buffer_image_memory = try self.allocator.alloc(vk.DeviceMemory, self.ctx.swapchain.swapchain_images.len);
+        self.depth_buffer_image_view = try self.allocator.alloc(vk.ImageView, self.ctx.swapchain.swapchain_images.len);
+>>>>>>> Stashed changes
 
         // Get supported depth buffer format
         const formats = [_]vk.Format{ .d32_sfloat_s8_uint, .d32_sfloat, .d24_unorm_s8_uint };
@@ -837,9 +891,16 @@ pub const VulkanRenderer = struct {
 
         for (0..self.depth_buffer_image.len) |i| {
             // Create depth buffer image
+<<<<<<< Updated upstream
             self.depth_buffer_image[i] = try self.createImage(
                 self.extent.width,
                 self.extent.height,
+=======
+            self.depth_buffer_image[i] = try Image.createImage(
+                self.ctx,
+                self.ctx.swapchain.extent.width,
+                self.ctx.swapchain.extent.height,
+>>>>>>> Stashed changes
                 self.depth_format,
                 .optimal,
                 .{ .depth_stencil_attachment_bit = true, .input_attachment_bit = true },
@@ -939,15 +1000,24 @@ pub const VulkanRenderer = struct {
         self.viewport = .{
             .x = 0.0,
             .y = 0.0,
+<<<<<<< Updated upstream
             .width = @floatFromInt(self.extent.width),
             .height = @floatFromInt(self.extent.height),
+=======
+            .width = @floatFromInt(self.ctx.swapchain.extent.width),
+            .height = @floatFromInt(self.ctx.swapchain.extent.height),
+>>>>>>> Stashed changes
             .min_depth = 0.0,
             .max_depth = 1.0,
         };
 
         self.scissor = .{
             .offset = .{ .x = 0, .y = 0 },
+<<<<<<< Updated upstream
             .extent = self.extent,
+=======
+            .extent = self.ctx.swapchain.extent,
+>>>>>>> Stashed changes
         };
 
         const viewport_state_create_info: vk.PipelineViewportStateCreateInfo = .{
@@ -1121,10 +1191,17 @@ pub const VulkanRenderer = struct {
     }
 
     fn createFramebuffers(self: *Self) !void {
+<<<<<<< Updated upstream
         self.swapchain_framebuffers = try self.allocator.alloc(vk.Framebuffer, self.swapchain_images.len);
 
         // Create a frammebuffer for each swapchain image
         for (self.swapchain_images, 0..) |swapchain_image, i| {
+=======
+        self.ctx.swapchain.swapchain_framebuffers = try self.allocator.alloc(vk.Framebuffer, self.ctx.swapchain.swapchain_images.len);
+
+        // Create a frammebuffer for each swapchain image
+        for (self.ctx.swapchain.swapchain_images, 0..) |swapchain_image, i| {
+>>>>>>> Stashed changes
             // Order matters
             const attachments = [_]vk.ImageView{
                 swapchain_image.image_view,
@@ -1136,6 +1213,7 @@ pub const VulkanRenderer = struct {
                 .render_pass = self.render_pass, // Render pass layout the frambuffer will be used with
                 .attachment_count = @intCast(attachments.len),
                 .p_attachments = &attachments, // List of attachments (1:1 with render pass)
+<<<<<<< Updated upstream
                 .width = self.extent.width, // Framebuffer width
                 .height = self.extent.height, // Framebuffer height
                 .layers = 1, // Framebuffer layers
@@ -1162,6 +1240,20 @@ pub const VulkanRenderer = struct {
     fn createCommandBuffers(self: *Self) !void {
         // Allocate one command buffer for each framebuffer
         const command_buffer_handles = try self.allocator.alloc(vk.CommandBuffer, self.swapchain_framebuffers.len);
+=======
+                .width = self.ctx.swapchain.extent.width, // Framebuffer width
+                .height = self.ctx.swapchain.extent.height, // Framebuffer height
+                .layers = 1, // Framebuffer layers
+            };
+
+            self.ctx.swapchain.swapchain_framebuffers[i] = try self.ctx.device.createFramebuffer(&framebuffer_create_info, null);
+        }
+    }
+
+    fn createCommandBuffers(self: *Self) !void {
+        // Allocate one command buffer for each framebuffer
+        const command_buffer_handles = try self.allocator.alloc(vk.CommandBuffer, self.ctx.swapchain.swapchain_framebuffers.len);
+>>>>>>> Stashed changes
         defer self.allocator.free(command_buffer_handles);
         self.command_buffers = try self.allocator.alloc(CommandBuffer, command_buffer_handles.len);
 
@@ -1218,8 +1310,13 @@ pub const VulkanRenderer = struct {
         const vp_buffer_size: vk.DeviceSize = @sizeOf(UboViewProjection);
 
         // One uniform buffer for each image (and by extension, command buffer)
+<<<<<<< Updated upstream
         self.vp_uniform_buffer = try self.allocator.alloc(vk.Buffer, self.swapchain_images.len);
         self.vp_uniform_buffer_memory = try self.allocator.alloc(vk.DeviceMemory, self.swapchain_images.len);
+=======
+        self.vp_uniform_buffer = try self.allocator.alloc(vk.Buffer, self.ctx.swapchain.swapchain_images.len);
+        self.vp_uniform_buffer_memory = try self.allocator.alloc(vk.DeviceMemory, self.ctx.swapchain.swapchain_images.len);
+>>>>>>> Stashed changes
 
         // Create the uniform buffers
         for (0..self.vp_uniform_buffer.len) |i| {
@@ -1251,7 +1348,11 @@ pub const VulkanRenderer = struct {
 
         // Data to create descriptor pool
         const pool_create_info: vk.DescriptorPoolCreateInfo = .{
+<<<<<<< Updated upstream
             .max_sets = @intCast(self.swapchain_images.len), // Maximum number of descriptor sets that can be created from pool
+=======
+            .max_sets = @intCast(self.ctx.swapchain.swapchain_images.len), // Maximum number of descriptor sets that can be created from pool
+>>>>>>> Stashed changes
             .pool_size_count = @intCast(descriptor_pool_sizes.len), // Amount of pool sizes being passed
             .p_pool_sizes = &descriptor_pool_sizes, // Pool sizes to create pool with
         };
@@ -1293,7 +1394,11 @@ pub const VulkanRenderer = struct {
 
         // Create input attachment pool
         const input_pool_create_info: vk.DescriptorPoolCreateInfo = .{
+<<<<<<< Updated upstream
             .max_sets = @intCast(self.swapchain_images.len),
+=======
+            .max_sets = @intCast(self.ctx.swapchain.swapchain_images.len),
+>>>>>>> Stashed changes
             .pool_size_count = @intCast(input_pool_sizes.len),
             .p_pool_sizes = &input_pool_sizes,
         };
@@ -1303,9 +1408,15 @@ pub const VulkanRenderer = struct {
 
     fn createDescriptorSets(self: *Self) !void {
         // One descriptor set for every buffer
+<<<<<<< Updated upstream
         self.descriptor_sets = try self.allocator.alloc(vk.DescriptorSet, self.swapchain_images.len);
 
         var set_layouts = try self.allocator.alloc(vk.DescriptorSetLayout, self.swapchain_images.len);
+=======
+        self.descriptor_sets = try self.allocator.alloc(vk.DescriptorSet, self.ctx.swapchain.swapchain_images.len);
+
+        var set_layouts = try self.allocator.alloc(vk.DescriptorSetLayout, self.ctx.swapchain.swapchain_images.len);
+>>>>>>> Stashed changes
         defer self.allocator.free(set_layouts);
         for (0..set_layouts.len) |i| {
             set_layouts[i] = self.descriptor_set_layout;
@@ -1314,7 +1425,11 @@ pub const VulkanRenderer = struct {
         // Descriptor set allocation info
         const set_alloc_info: vk.DescriptorSetAllocateInfo = .{
             .descriptor_pool = self.descriptor_pool, // Pool to allocate descriptor set from
+<<<<<<< Updated upstream
             .descriptor_set_count = @intCast(self.swapchain_images.len), // Number of sets to allocate
+=======
+            .descriptor_set_count = @intCast(self.ctx.swapchain.swapchain_images.len), // Number of sets to allocate
+>>>>>>> Stashed changes
             .p_set_layouts = set_layouts.ptr, // Layouts to use to allocate sets (1:1 relationship)
         };
 
@@ -1322,7 +1437,11 @@ pub const VulkanRenderer = struct {
         try self.device.allocateDescriptorSets(&set_alloc_info, self.descriptor_sets.ptr);
 
         // Update all of descriptor set buffer bindings
+<<<<<<< Updated upstream
         for (0..self.swapchain_images.len) |i| {
+=======
+        for (0..self.ctx.swapchain.swapchain_images.len) |i| {
+>>>>>>> Stashed changes
             // -- View projection descriptor
             // Buffer info and data offset info
             const vp_buffer_info: vk.DescriptorBufferInfo = .{
@@ -1352,10 +1471,17 @@ pub const VulkanRenderer = struct {
     }
 
     fn createInputDescriptorSets(self: *Self) !void {
+<<<<<<< Updated upstream
         self.input_descriptor_sets = try self.allocator.alloc(vk.DescriptorSet, self.swapchain_images.len);
 
         // Fill array of layouts ready for set creation
         var set_layouts = try self.allocator.alloc(vk.DescriptorSetLayout, self.swapchain_images.len);
+=======
+        self.input_descriptor_sets = try self.allocator.alloc(vk.DescriptorSet, self.ctx.swapchain.swapchain_images.len);
+
+        // Fill array of layouts ready for set creation
+        var set_layouts = try self.allocator.alloc(vk.DescriptorSetLayout, self.ctx.swapchain.swapchain_images.len);
+>>>>>>> Stashed changes
         defer self.allocator.free(set_layouts);
         for (0..set_layouts.len) |i| {
             set_layouts[i] = self.input_set_layout;
@@ -1364,7 +1490,11 @@ pub const VulkanRenderer = struct {
         // Input attachment descriptor set allocation info
         const set_alloc_info: vk.DescriptorSetAllocateInfo = .{
             .descriptor_pool = self.input_descriptor_pool,
+<<<<<<< Updated upstream
             .descriptor_set_count = @intCast(self.swapchain_images.len),
+=======
+            .descriptor_set_count = @intCast(self.ctx.swapchain.swapchain_images.len),
+>>>>>>> Stashed changes
             .p_set_layouts = set_layouts.ptr,
         };
 
@@ -1372,7 +1502,11 @@ pub const VulkanRenderer = struct {
         try self.device.allocateDescriptorSets(&set_alloc_info, self.input_descriptor_sets.ptr);
 
         // Update each descriptor set with input attachment
+<<<<<<< Updated upstream
         for (0..self.swapchain_images.len) |i| {
+=======
+        for (0..self.ctx.swapchain.swapchain_images.len) |i| {
+>>>>>>> Stashed changes
             // Colour attachment descriptor
             const colour_attachment_descriptor: vk.DescriptorImageInfo = .{
                 .image_layout = .shader_read_only_optimal,
@@ -1451,11 +1585,19 @@ pub const VulkanRenderer = struct {
             .render_pass = self.render_pass, // Render pass to begin
             .render_area = .{
                 .offset = .{ .x = 0, .y = 0 }, // Start point of render pass in pixels
+<<<<<<< Updated upstream
                 .extent = self.extent, // Size of region to run render pass on (starting at offset)
             },
             .p_clear_values = &clear_values, // List of clear values
             .clear_value_count = @intCast(clear_values.len),
             .framebuffer = self.swapchain_framebuffers[current_image],
+=======
+                .extent = self.ctx.swapchain.extent, // Size of region to run render pass on (starting at offset)
+            },
+            .p_clear_values = &clear_values, // List of clear values
+            .clear_value_count = @intCast(clear_values.len),
+            .framebuffer = self.ctx.swapchain.swapchain_framebuffers[current_image],
+>>>>>>> Stashed changes
         };
 
         const command_buffer = self.command_buffers[current_image];