1 files changed, 75 insertions, 0 deletions
diff --git a/Ryujinx.Ava/Ui/Backend/Vulkan/VulkanSurface.cs b/Ryujinx.Ava/Ui/Backend/Vulkan/VulkanSurface.cs
new file mode 100644
index 00000000..2452cdcd
--- /dev/null
+++ b/Ryujinx.Ava/Ui/Backend/Vulkan/VulkanSurface.cs
@@ -0,0 +1,75 @@
+using System;
+using Avalonia;
+using Ryujinx.Ava.Ui.Vulkan.Surfaces;
+using Silk.NET.Vulkan;
+using Silk.NET.Vulkan.Extensions.KHR;
+
+namespace Ryujinx.Ava.Ui.Vulkan
+{
+    public class VulkanSurface : IDisposable
+    {
+        private readonly VulkanInstance _instance;
+        private readonly IVulkanPlatformSurface _vulkanPlatformSurface;
+
+        private VulkanSurface(IVulkanPlatformSurface vulkanPlatformSurface, VulkanInstance instance)
+        {
+            _vulkanPlatformSurface = vulkanPlatformSurface;
+            _instance = instance;
+            ApiHandle = vulkanPlatformSurface.CreateSurface(instance);
+        }
+
+        internal SurfaceKHR ApiHandle { get; }
+
+        internal static KhrSurface SurfaceExtension { get; private set; }
+
+        internal PixelSize SurfaceSize => _vulkanPlatformSurface.SurfaceSize;
+
+        public void Dispose()
+        {
+            SurfaceExtension.DestroySurface(_instance.InternalHandle, ApiHandle, Span<AllocationCallbacks>.Empty);
+            _vulkanPlatformSurface.Dispose();
+        }
+
+        internal static VulkanSurface CreateSurface(VulkanInstance instance, IVulkanPlatformSurface vulkanPlatformSurface)
+        {
+            if (SurfaceExtension == null)
+            {
+                instance.Api.TryGetInstanceExtension(instance.InternalHandle, out KhrSurface extension);
+
+                SurfaceExtension = extension;
+            }
+
+            return new VulkanSurface(vulkanPlatformSurface, instance);
+        }
+
+        internal bool CanSurfacePresent(VulkanPhysicalDevice physicalDevice)
+        {
+            SurfaceExtension.GetPhysicalDeviceSurfaceSupport(physicalDevice.InternalHandle, physicalDevice.QueueFamilyIndex, ApiHandle, out var isSupported);
+
+            return isSupported;
+        }
+
+        internal SurfaceFormatKHR GetSurfaceFormat(VulkanPhysicalDevice physicalDevice)
+        {
+            Span<uint> surfaceFormatsCount = stackalloc uint[1];
+            SurfaceExtension.GetPhysicalDeviceSurfaceFormats(physicalDevice.InternalHandle, ApiHandle, surfaceFormatsCount, Span<SurfaceFormatKHR>.Empty);
+            Span<SurfaceFormatKHR> surfaceFormats = stackalloc SurfaceFormatKHR[(int)surfaceFormatsCount[0]];
+            SurfaceExtension.GetPhysicalDeviceSurfaceFormats(physicalDevice.InternalHandle, ApiHandle, surfaceFormatsCount, surfaceFormats);
+
+            if (surfaceFormats.Length == 1 && surfaceFormats[0].Format == Format.Undefined)
+            {
+                return new SurfaceFormatKHR(Format.B8G8R8A8Unorm, ColorSpaceKHR.ColorspaceSrgbNonlinearKhr);
+            }
+
+            foreach (var format in surfaceFormats)
+            {
+                if (format.Format == Format.B8G8R8A8Unorm && format.ColorSpace == ColorSpaceKHR.ColorspaceSrgbNonlinearKhr)
+                {
+                    return format;
+                }
+            }
+
+            return surfaceFormats[0];
+        }
+    }
+}