ext methodsv0.4.0-betaauto_set_struct_type_stype

3 files changed, 71 insertions, 1 deletions

diff --git a/vulkan/ExtensionMethods.cs b/vulkan/ExtensionMethods.cs
index c40e56d..292cd71 100644
--- a/vulkan/ExtensionMethods.cs
+++ b/vulkan/ExtensionMethods.cs
@@ -10,7 +10,7 @@ using System.Runtime.InteropServices;
 using static Vulkan.Vk;
 
 namespace Vulkan {
-	public static class ExtensionMethods {
+	public static partial class ExtensionMethods {
 		#region pinning
 		/// <summary>
 		/// list of pinned GCHandles used to pass value from managed to unmanaged code.
diff --git a/vulkan/Utils.cs b/vulkan/Utils.cs
index bf629ed..9744b5f 100644
--- a/vulkan/Utils.cs
+++ b/vulkan/Utils.cs
@@ -16,6 +16,16 @@ namespace Vulkan {
 			if (result != VkResult.Success)
 				throw new InvalidOperationException ($"[{sourceFilePath}:{sourceLineNumber}->{caller}]{msg}: {result}");
 		}
+		public static VkExtensionProperties[] GetAvailableInstanceExtensions (string layerName = null) {
+			using (Utf8StringPointer pLayerName =  layerName) {
+				CheckResult (vkEnumerateInstanceExtensionProperties (pLayerName, out uint pCount, IntPtr.Zero));
+				VkExtensionProperties[] tmp = new VkExtensionProperties[pCount];
+				CheckResult (vkEnumerateInstanceExtensionProperties (pLayerName, out pCount, tmp.Pin()));
+				tmp.Unpin();
+				return tmp;
+			}
+		}
+
 		public static bool TryGetPhysicalDevice (VkInstance inst, VkPhysicalDeviceType deviceType, out VkPhysicalDevice phy) {
 			CheckResult (vkEnumeratePhysicalDevices (inst, out uint phyCount, IntPtr.Zero));
 
diff --git a/vulkan/VulkanExtensionMethods.cs b/vulkan/VulkanExtensionMethods.cs
new file mode 100644
index 0000000..d94b09a
--- /dev/null
+++ b/vulkan/VulkanExtensionMethods.cs
@@ -0,0 +1,60 @@
+// Copyright (c) 2019-2021  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices;
+
+using static Vulkan.Vk;
+using static Vulkan.Utils;
+
+namespace Vulkan {
+	public static class VulkanExtensionMethods {
+		#region instance
+		public static bool TryGetPhysicalDevice (this VkInstance inst, VkPhysicalDeviceType deviceType, out VkPhysicalDevice phy) {
+			CheckResult (vkEnumeratePhysicalDevices (inst, out uint phyCount, IntPtr.Zero));
+
+			VkPhysicalDevice[] phys = new VkPhysicalDevice[phyCount];
+
+			CheckResult (vkEnumeratePhysicalDevices (inst, out phyCount, phys.Pin()));
+
+			for (int i = 0; i < phys.Length; i++)
+			{
+				phy = phys[i];
+				vkGetPhysicalDeviceProperties (phy, out VkPhysicalDeviceProperties props);
+				if (props.deviceType == deviceType)
+					return true;
+			}
+			phy = default;
+			return false;
+		}
+		#endregion
+		#region Physical device
+		public static VkQueueFamilyProperties[] GetQueueFamilyProperties (this VkPhysicalDevice phy) {
+			vkGetPhysicalDeviceQueueFamilyProperties (phy, out uint queueFamilyCount, IntPtr.Zero);
+			VkQueueFamilyProperties[] qFamProps = new VkQueueFamilyProperties[queueFamilyCount];
+			vkGetPhysicalDeviceQueueFamilyProperties (phy, out queueFamilyCount, qFamProps.Pin());
+			qFamProps.Unpin();
+			return qFamProps;
+		}
+		public static VkSurfaceFormatKHR [] GetSurfaceFormats (this VkPhysicalDevice phy, VkSurfaceKHR surf)
+		{
+			vkGetPhysicalDeviceSurfaceFormatsKHR (phy, surf, out uint count, IntPtr.Zero);
+			VkSurfaceFormatKHR [] formats = new VkSurfaceFormatKHR [count];
+			vkGetPhysicalDeviceSurfaceFormatsKHR (phy, surf, out count, formats.Pin ());
+			formats.Unpin ();
+			return formats;
+		}
+		public static VkPresentModeKHR[] GetSurfacePresentModes (this VkPhysicalDevice phy, VkSurfaceKHR surf) {
+			vkGetPhysicalDeviceSurfacePresentModesKHR (phy, surf, out uint count, IntPtr.Zero);
+			VkPresentModeKHR[] modes = new VkPresentModeKHR[count];
+			vkGetPhysicalDeviceSurfacePresentModesKHR (phy, surf, out count, modes.Pin ());
+			modes.Unpin ();
+			return modes;
+
+		}
+		#endregion
+	}
+}