From: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date: Sat, 5 Nov 2022 13:05:03 +0000 (+0100)
Subject:  query mesh shader infos
X-Git-Url: https://git.osiis.dedyn.io/?a=commitdiff_plain;h=3a04982a29a800be22a7f367c9b94c91283f10ba;p=jp%2Fvke.net.git

 query mesh shader infos
---

diff --git a/samples/ExternalMemmories/Program.cs b/samples/ExternalMemmories/Program.cs
index 2526b49..d9837c6 100644
--- a/samples/ExternalMemmories/Program.cs
+++ b/samples/ExternalMemmories/Program.cs
@@ -42,12 +42,12 @@ namespace ExternalMemmories
 			gQ = new Queue (dev, Vulkan.VkQueueFlags.Graphics);
 			VkPhysicalDeviceFeatures features = default;
 
-			dev.Activate (features, new string[] {
+			dev.Activate (IntPtr.Zero, features, 
 				Ext.D.VK_KHR_external_memory,
 				Ext.D.VK_EXT_external_memory_host,
 				Ext.D.VK_EXT_external_memory_dma_buf,
-				Ext.D.VK_KHR_external_memory_fd,
-			});
+				Ext.D.VK_KHR_external_memory_fd
+			);
 		}
 		public bool TryGetImageFormatProperties (VkFormat format, VkImageTiling tiling,
 			VkImageUsageFlags usage, out VkImageFormatProperties properties,
@@ -68,7 +68,7 @@ namespace ExternalMemmories
 		public void listFormat () {
 
 			foreach (VkFormat format in Enum.GetValues(typeof(VkFormat))) {
-				if (format == VkFormat.G16B16R163plane444UnormKHR)
+				if (format == VkFormat.G16B16R16_3plane444Unorm)
 					break;
 
 				vkGetPhysicalDeviceFormatProperties (phy.Handle, format, out VkFormatProperties props);
@@ -101,7 +101,7 @@ namespace ExternalMemmories
 					foreach (VkExternalMemoryHandleTypeFlags handleType in Enum.GetValues (typeof(VkExternalMemoryHandleTypeFlags))) {
 						extImgFormatInfo.handleType = handleType;
 
-						VkResult res = vkGetPhysicalDeviceImageFormatProperties2 (phy.Handle, ref imgFormatInfo2, out imgProps2);
+						VkResult res = vkGetPhysicalDeviceImageFormatProperties2 (phy.Handle, ref imgFormatInfo2, ref imgProps2);
 						if (res == VkResult.Success) {
 							Console.WriteLine ($"\t{handleType}: f:{extProps.externalMemoryProperties.externalMemoryFeatures} c:{extProps.externalMemoryProperties.compatibleHandleTypes} e:{extProps.externalMemoryProperties.exportFromImportedHandleTypes}");
 						}
diff --git a/samples/MeshShader/main.cs b/samples/MeshShader/main.cs
index 6f96028..5625588 100644
--- a/samples/MeshShader/main.cs
+++ b/samples/MeshShader/main.cs
@@ -34,9 +34,22 @@ namespace MeshShader {
 				Console.WriteLine($"Mesh Shader Support:\t{meshFeat.Val.meshShader}");
 				Console.WriteLine($"Task Shader Support:\t{meshFeat.Val.taskShader}");
 				if (!(meshFeat.Val.meshShader && meshFeat.Val.taskShader)) {
-					phy = null;				
+					phy = null;
+					return;	
 				}
 			}
+
+			VkPhysicalDeviceProperties2 phyProp2 = VkPhysicalDeviceProperties2.New;
+			using (var meshP = new PNext<VkPhysicalDeviceMeshShaderPropertiesEXT>()) {
+				phyProp2.pNext = meshP;
+
+				Vk.vkGetPhysicalDeviceProperties2(phy.Handle, ref phyProp2);
+
+				Console.WriteLine($"maxMeshOutputPrimitives:\t{meshP.Val.maxMeshOutputPrimitives}");
+				Console.WriteLine($"prefersLocalInvocationPrimitiveOutput:\t{meshP.Val.prefersLocalInvocationPrimitiveOutput}");
+				Console.WriteLine($"maxMeshOutputVertices:\t{meshP.Val.maxMeshOutputVertices}");
+				Console.WriteLine($"prefersLocalInvocationVertexOutput:\t{meshP.Val.prefersLocalInvocationVertexOutput}");
+			}
 		}		
 		
 		static void Main (string[] args) {
diff --git a/vke/src/base/Instance.cs b/vke/src/base/Instance.cs
index 966383a..d7bd82b 100644
--- a/vke/src/base/Instance.cs
+++ b/vke/src/base/Instance.cs
@@ -32,10 +32,6 @@ namespace vke {
 		public IntPtr Handle => inst.Handle;
 		public VkInstance VkInstance => inst;
 
-		static class Strings {
-
-			public static FixedUtf8String main = "main";
-		}
 		const string strValidationLayer = "VK_LAYER_KHRONOS_validation";
 		const string strRenderDocLayer = "VK_LAYER_RENDERDOC_Capture";
 
diff --git a/vke/src/base/PhysicalDevice.cs b/vke/src/base/PhysicalDevice.cs
index 3ef8269..d08e481 100644
--- a/vke/src/base/PhysicalDevice.cs
+++ b/vke/src/base/PhysicalDevice.cs
@@ -49,8 +49,8 @@ namespace vke {
 	/// </summary>
 	public class PhysicalDevice {
 		readonly IntPtr phy;
-
-		public VkPhysicalDeviceMemoryProperties memoryProperties { get; private set; }
+		VkPhysicalDeviceMemoryProperties _memoryProperties;
+		public VkPhysicalDeviceMemoryProperties memoryProperties => _memoryProperties;
 		public VkQueueFamilyProperties [] QueueFamilies { get; private set; }
 		public VkPhysicalDeviceProperties Properties {
 			get {
@@ -75,11 +75,7 @@ namespace vke {
 			phy = vkPhy;
 
 			// Gather physical Device memory properties
-			IntPtr tmp = Marshal.AllocHGlobal (Marshal.SizeOf<VkPhysicalDeviceMemoryProperties> ());
-			vkGetPhysicalDeviceMemoryProperties (phy, tmp);
-
-			memoryProperties = Marshal.PtrToStructure<VkPhysicalDeviceMemoryProperties> (tmp);
-			Marshal.FreeHGlobal (tmp);
+			vkGetPhysicalDeviceMemoryProperties (phy, out _memoryProperties);
 
 			vkGetPhysicalDeviceQueueFamilyProperties (phy, out uint queueFamilyCount, IntPtr.Zero);
 			QueueFamilies = new VkQueueFamilyProperties [queueFamilyCount];