From 2febb10319ad801702f10e252f076dd914680bd1 Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Wed, 11 Feb 2026 17:20:39 +0800
Subject: [PATCH] [Feat] (MG_Backend/DirectVulkan): Create vkSurfaceKHR

---
 .../DirectVulkan/Renderer/VulkanRenderer.cpp  | 26 +++++++++++++++++++
 .../DirectVulkan/Renderer/VulkanRenderer.h    |  2 ++
 2 files changed, 28 insertions(+)

diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
index c3a0fc76..4e669e9a 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
@@ -62,10 +62,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         CreateInstance();
         PickPhysicalDevice();
         CreateLogicalDevice();
+        CreateSurface();
         MGLOG_D("VulkanRenderer initialized");
     }
 
     void VulkanRenderer::Shutdown() {
+        if (m_surface != VK_NULL_HANDLE)
+            vkDestroySurfaceKHR(m_instance, m_surface, nullptr);
+
         if (m_device != VK_NULL_HANDLE)
             vkDestroyDevice(m_device, nullptr);
 
@@ -272,6 +276,28 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         vkGetDeviceQueue(m_device, m_graphicsQueueFamilyIndex, 0, &m_graphicsQueue);
     }
 
+    void VulkanRenderer::CreateSurface() {
+#if defined VK_USE_PLATFORM_ANDROID_KHR
+        auto* nativeWindow = static_cast<ANativeWindow*>(m_window);
+        if (!nativeWindow) throw RuntimeError("ANativeWindowType is null");
+
+        VkAndroidSurfaceCreateInfoKHR sci{VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR};
+        sci.window = nativeWindow;
+        VK_VERIFY(vkCreateAndroidSurfaceKHR(m_instance, &sci, nullptr, &m_surface), "vkCreateAndroidSurfaceKHR failed");
+#elif defined VK_USE_PLATFORM_WIN32_KHR
+        auto hwnd = static_cast<HWND>(m_window);
+        MOBILEGL_ASSERT(hwnd, "HWND is null");
+
+        VkWin32SurfaceCreateInfoKHR sci{VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR};
+        sci.hwnd = hwnd;
+        VK_VERIFY(vkCreateWin32SurfaceKHR(m_instance, &sci, nullptr, &m_surface), "vkCreateWin32SurfaceKHR failed");
+#else
+        //#warning "VulkanRenderer::Initialize called on a platform which is not supported yet"
+        MGLOG_W("VulkanRenderer::Initialize called on a platform which is not supported yet"); // TODO: support more
+        // platforms
+#endif
+    }
+
     Int VulkanRenderer::GetGraphicsQueueFamilyIndexOfPhysicalDevice(VkPhysicalDevice device) {
         Uint32 queueFamilyCount = 0;
         vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
index 11b4c333..356970e4 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
@@ -56,6 +56,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         Int m_graphicsQueueFamilyIndex = -1;
         VkDevice m_device = VK_NULL_HANDLE;
         VkQueue m_graphicsQueue = VK_NULL_HANDLE;
+        VkSurfaceKHR m_surface = VK_NULL_HANDLE;
 
         void CreateInstance();
         void DestroyInstance();
@@ -64,6 +65,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         VkDebugUtilsMessengerCreateInfoEXT PopulateDebugMessengerCreateInfo();
         void PickPhysicalDevice();
         void CreateLogicalDevice();
+        void CreateSurface();
 
         static Int GetGraphicsQueueFamilyIndexOfPhysicalDevice(VkPhysicalDevice device);
         static Vector<VkExtensionProperties> EnumerateInstanceExtensions();