[vk, macos] fix missing VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT sType (#3510)

sType wasn't properly set for the creationInfo struct (was init to 0)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3510
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: DraVee <dravee@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/video_core/vulkan_common/vulkan_surface.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@@ -32,13 +32,15 @@ vk::SurfaceKHR CreateSurface(
     }
 #elif defined(__APPLE__)
     if (window_info.type == Core::Frontend::WindowSystemType::Cocoa) {
-        const VkMetalSurfaceCreateInfoEXT macos_ci = {
+        const VkMetalSurfaceCreateInfoEXT metal_ci = {
+            .sType = VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT,
+            .pNext = nullptr,
+            .flags = 0,
             .pLayer = static_cast<const CAMetalLayer*>(window_info.render_surface),
         };
-        const auto vkCreateMetalSurfaceEXT = reinterpret_cast<PFN_vkCreateMetalSurfaceEXT>(
-            dld.vkGetInstanceProcAddr(*instance, "vkCreateMetalSurfaceEXT"));
+        const auto vkCreateMetalSurfaceEXT = reinterpret_cast<PFN_vkCreateMetalSurfaceEXT>(dld.vkGetInstanceProcAddr(*instance, "vkCreateMetalSurfaceEXT"));
         if (!vkCreateMetalSurfaceEXT ||
-            vkCreateMetalSurfaceEXT(*instance, &macos_ci, nullptr, &unsafe_surface) != VK_SUCCESS) {
+            vkCreateMetalSurfaceEXT(*instance, &metal_ci, nullptr, &unsafe_surface) != VK_SUCCESS) {
             LOG_ERROR(Render_Vulkan, "Failed to initialize Metal surface");
             throw vk::Exception(VK_ERROR_INITIALIZATION_FAILED);
         }