From 3002e6d8789b7a764db6f85fbbfa3725819d2a7b Mon Sep 17 00:00:00 2001
From: ollie <ollie@ollierobinson.co.uk>
Date: Mon, 29 Jul 2024 22:25:16 +0100
Subject: [PATCH] vk start swapchains

---
 src/grabs.Graphics.Vulkan/VkDevice.cs    | 17 +++++++--
 src/grabs.Graphics.Vulkan/VkInstance.cs  |  4 +--
 src/grabs.Graphics.Vulkan/VkSurface.cs   |  2 +-
 src/grabs.Graphics.Vulkan/VkSwapchain.cs | 46 ++++++++++++++++++++++++
 4 files changed, 64 insertions(+), 5 deletions(-)
 create mode 100644 src/grabs.Graphics.Vulkan/VkSwapchain.cs

diff --git a/src/grabs.Graphics.Vulkan/VkDevice.cs b/src/grabs.Graphics.Vulkan/VkDevice.cs
index a736f6f..1c85233 100644
--- a/src/grabs.Graphics.Vulkan/VkDevice.cs
+++ b/src/grabs.Graphics.Vulkan/VkDevice.cs
@@ -10,7 +10,7 @@
 
 namespace grabs.Graphics.Vulkan;
 
-public unsafe class VkDevice : Device
+public sealed unsafe class VkDevice : Device
 {
     private readonly Vk _vk;
     
@@ -19,7 +19,12 @@ public unsafe class VkDevice : Device
     
     public readonly VulkanDevice Device;
 
-    public VkDevice(Vk vk, PhysicalDevice pDevice, VkSurface surface)
+    public readonly KhrSwapchain KhrSwapchain;
+
+    public readonly Queue GraphicsQueue;
+    public readonly Queue PresentQueue;
+
+    public VkDevice(Vk vk, VulkanInstance instance, PhysicalDevice pDevice, VkSurface surface)
     {
         _vk = vk;
 
@@ -90,6 +95,12 @@ public VkDevice(Vk vk, PhysicalDevice pDevice, VkSurface surface)
         };
 
         CheckResult(_vk.CreateDevice(pDevice, &deviceCreateInfo, null, out Device), "Create device");
+
+        if (!_vk.TryGetDeviceExtension(instance, Device, out KhrSwapchain))
+            throw new Exception("Failed to get VK_KHR_swapchain device extension.");
+
+        _vk.GetDeviceQueue(Device, _graphicsQueueIndex, 0, out GraphicsQueue);
+        _vk.GetDeviceQueue(Device, _presentQueueIndex, 0, out PresentQueue);
     }
     
     public override Swapchain CreateSwapchain(in SwapchainDescription description)
@@ -175,6 +186,8 @@ public override void ExecuteCommandList(CommandList list)
 
     public override void Dispose()
     {
+        CheckResult(_vk.DeviceWaitIdle(Device));
+        KhrSwapchain.Dispose();
         _vk.DestroyDevice(Device, null);
     }
 }
\ No newline at end of file
diff --git a/src/grabs.Graphics.Vulkan/VkInstance.cs b/src/grabs.Graphics.Vulkan/VkInstance.cs
index cd18d19..2c88326 100644
--- a/src/grabs.Graphics.Vulkan/VkInstance.cs
+++ b/src/grabs.Graphics.Vulkan/VkInstance.cs
@@ -10,7 +10,7 @@
 
 namespace grabs.Graphics.Vulkan;
 
-public unsafe class VkInstance : Instance
+public sealed unsafe class VkInstance : Instance
 {
     public readonly Vk Vk;
 
@@ -106,7 +106,7 @@ public override Device CreateDevice(Surface surface, Adapter? adapter = null)
         else
             device = pDevices[0];
 
-        return new VkDevice(Vk, device, (VkSurface) surface);
+        return new VkDevice(Vk, Instance, device, (VkSurface) surface);
     }
 
     public override Adapter[] EnumerateAdapters()
diff --git a/src/grabs.Graphics.Vulkan/VkSurface.cs b/src/grabs.Graphics.Vulkan/VkSurface.cs
index c28fc29..c0ce9bf 100644
--- a/src/grabs.Graphics.Vulkan/VkSurface.cs
+++ b/src/grabs.Graphics.Vulkan/VkSurface.cs
@@ -4,7 +4,7 @@
 
 namespace grabs.Graphics.Vulkan;
 
-public class VkSurface : Surface
+public sealed class VkSurface : Surface
 {
     public readonly VkInstance Instance;
     public readonly SurfaceKHR Surface;
diff --git a/src/grabs.Graphics.Vulkan/VkSwapchain.cs b/src/grabs.Graphics.Vulkan/VkSwapchain.cs
new file mode 100644
index 0000000..7fdbc61
--- /dev/null
+++ b/src/grabs.Graphics.Vulkan/VkSwapchain.cs
@@ -0,0 +1,46 @@
+using Silk.NET.Vulkan;
+using Silk.NET.Vulkan.Extensions.KHR;
+
+namespace grabs.Graphics.Vulkan;
+
+public sealed class VkSwapchain : Swapchain
+{
+    private readonly Vk _vk;
+    private readonly KhrSwapchain _khrSwapchain;
+    
+    public override PresentMode PresentMode { get; set; }
+
+    public VkSwapchain(Vk vk, KhrSwapchain khrSwapchain, SurfaceKHR surface, in SwapchainDescription description)
+    {
+        _vk = vk;
+        _khrSwapchain = khrSwapchain;
+
+        Extent2D swapchainSize = new Extent2D(description.Width, description.Width);
+        
+        SwapchainCreateInfoKHR swapchainCreateInfo = new SwapchainCreateInfoKHR()
+        {
+            SType = StructureType.SwapchainCreateInfoKhr,
+            
+        }
+    }
+    
+    public override Texture GetSwapchainTexture()
+    {
+        throw new System.NotImplementedException();
+    }
+
+    public override void Resize(uint width, uint height)
+    {
+        throw new System.NotImplementedException();
+    }
+
+    public override void Present()
+    {
+        throw new System.NotImplementedException();
+    }
+
+    public override void Dispose()
+    {
+        throw new System.NotImplementedException();
+    }
+}
\ No newline at end of file