Merge c0340590d2 into 2ffaeb2803

This reverts commit ca59c3f499.

docs/compatibility.csv

@@ -969,6 +969,7 @@
 0100751007ADA000,"Don't Starve: Nintendo Switch Edition",nvdec,playable,2022-02-05 20:43:34
 010088B010DD2000,"Dongo Adventure",,playable,2022-10-04 16:22:26
 0100C1F0051B6000,"Donkey Kong Country™: Tropical Freeze",,playable,2024-08-05 16:46:10
+01009D901BC56000,"Donkey Kong Country™: Returns HD",gpu,ingame,2025-02-16 13:44:12
 0100F2C00F060000,"Doodle Derby",,boots,2020-12-04 22:51:48
 0100416004C00000,"DOOM",gpu;slow;nvdec;online-broken,ingame,2024-09-23 15:40:07
 010018900DD00000,"DOOM (1993)",nvdec;online-broken,menus,2022-09-06 13:32:19

src/Ryujinx.Common/GraphicsDriver/DriverUtilities.cs

@@ -1,4 +1,3 @@
-using Ryujinx.Common.Utilities;
 using System;
 
 namespace Ryujinx.Common.GraphicsDriver
@@ -11,7 +10,7 @@ namespace Ryujinx.Common.GraphicsDriver
 
             string flags = existingFlags == null ? newFlags : $"{existingFlags},{newFlags}";
 
-            OsUtils.SetEnvironmentVariableNoCaching(envVar, flags);
+            Environment.SetEnvironmentVariable(envVar, flags);
         }
 
         public static void InitDriverConfig(bool oglThreading)
@@ -23,11 +22,10 @@ namespace Ryujinx.Common.GraphicsDriver
 
             ToggleOGLThreading(oglThreading);
         }
-
         public static void ToggleOGLThreading(bool enabled)
         {
-            OsUtils.SetEnvironmentVariableNoCaching("mesa_glthread", enabled.ToString().ToLower());
-            OsUtils.SetEnvironmentVariableNoCaching("__GL_THREADED_OPTIMIZATIONS", enabled ? "1" : "0");
+            Environment.SetEnvironmentVariable("mesa_glthread", enabled.ToString().ToLower());
+            Environment.SetEnvironmentVariable("__GL_THREADED_OPTIMIZATIONS", enabled ? "1" : "0");
 
             try
             {

src/Ryujinx.Common/Utilities/OsUtils.cs

@@ -1,24 +0,0 @@
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace Ryujinx.Common.Utilities
-{
-    public partial class OsUtils
-    {
-        [LibraryImport("libc", SetLastError = true)]
-        private static partial int setenv([MarshalAs(UnmanagedType.LPStr)] string name, [MarshalAs(UnmanagedType.LPStr)] string value, int overwrite);
-
-        public static void SetEnvironmentVariableNoCaching(string key, string value)
-        {
-            // Set the value in the cached environment variables, too.
-            Environment.SetEnvironmentVariable(key, value);
-
-            if (!OperatingSystem.IsWindows())
-            {
-                int res = setenv(key, value, 1);
-                Debug.Assert(res != -1);
-            }
-        }
-    }
-}

src/Ryujinx.Graphics.Vulkan/BarrierBatch.cs

@@ -32,12 +32,10 @@ namespace Ryujinx.Graphics.Vulkan
             CommandBuffer
         }
 
-        private bool _feedbackLoopActive;
         private PipelineStageFlags _incoherentBufferWriteStages;
         private PipelineStageFlags _incoherentTextureWriteStages;
         private PipelineStageFlags _extraStages;
         private IncoherentBarrierType _queuedIncoherentBarrier;
-        private bool _queuedFeedbackLoopBarrier;
 
         public BarrierBatch(VulkanRenderer gd)
         {
@@ -55,6 +53,17 @@ namespace Ryujinx.Graphics.Vulkan
                 stages |= PipelineStageFlags.TransformFeedbackBitExt;
             }
 
+            if (!gd.IsTBDR)
+            {
+                // Desktop GPUs can transform image barriers into memory barriers.
+
+                access |= AccessFlags.DepthStencilAttachmentWriteBit | AccessFlags.ColorAttachmentWriteBit;
+                access |= AccessFlags.DepthStencilAttachmentReadBit | AccessFlags.ColorAttachmentReadBit;
+
+                stages |= PipelineStageFlags.EarlyFragmentTestsBit | PipelineStageFlags.LateFragmentTestsBit;
+                stages |= PipelineStageFlags.ColorAttachmentOutputBit;
+            }
+
             return (access, stages);
         }
 
@@ -169,34 +178,16 @@ namespace Ryujinx.Graphics.Vulkan
                     }
 
                     _queuedIncoherentBarrier = IncoherentBarrierType.None;
-                    _queuedFeedbackLoopBarrier = false;
                 }
-                else if (_feedbackLoopActive && _queuedFeedbackLoopBarrier)
-                {
-                    // Feedback loop barrier.
-
-                    MemoryBarrier barrier = new()
-                    {
-                        SType = StructureType.MemoryBarrier,
-                        SrcAccessMask = AccessFlags.ShaderWriteBit,
-                        DstAccessMask = AccessFlags.ShaderReadBit
-                    };
-
-                    QueueBarrier(barrier, PipelineStageFlags.FragmentShaderBit, PipelineStageFlags.AllGraphicsBit);
-
-                    _queuedFeedbackLoopBarrier = false;
-                }
-
-                _feedbackLoopActive = false;
             }
         }
 
         public unsafe void Flush(CommandBufferScoped cbs, bool inRenderPass, RenderPassHolder rpHolder, Action endRenderPass)
         {
-            Flush(cbs, null, false, inRenderPass, rpHolder, endRenderPass);
+            Flush(cbs, null, inRenderPass, rpHolder, endRenderPass);
         }
 
-        public unsafe void Flush(CommandBufferScoped cbs, ShaderCollection program, bool feedbackLoopActive, bool inRenderPass, RenderPassHolder rpHolder, Action endRenderPass)
+        public unsafe void Flush(CommandBufferScoped cbs, ShaderCollection program, bool inRenderPass, RenderPassHolder rpHolder, Action endRenderPass)
         {
             if (program != null)
             {
@@ -204,8 +195,6 @@ namespace Ryujinx.Graphics.Vulkan
                 _incoherentTextureWriteStages |= program.IncoherentTextureWriteStages;
             }
 
-            _feedbackLoopActive |= feedbackLoopActive;
-
             FlushMemoryBarrier(program, inRenderPass);
 
             if (!inRenderPass && rpHolder != null)
@@ -417,8 +406,6 @@ namespace Ryujinx.Graphics.Vulkan
             {
                 _queuedIncoherentBarrier = type;
             }
-
-            _queuedFeedbackLoopBarrier = true;
         }
 
         public void QueueTextureBarrier()

src/Ryujinx.Graphics.Vulkan/DescriptorSetUpdater.cs

@@ -3,7 +3,6 @@ using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Shader;
 using Silk.NET.Vulkan;
 using System;
-using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using Buffer = Silk.NET.Vulkan.Buffer;
@@ -43,15 +42,15 @@ namespace Ryujinx.Graphics.Vulkan
         private record struct TextureRef
         {
             public ShaderStage Stage;
-            public TextureView View;
-            public Auto<DisposableImageView> ImageView;
+            public TextureStorage Storage;
+            public Auto<DisposableImageView> View;
             public Auto<DisposableSampler> Sampler;
 
-            public TextureRef(ShaderStage stage, TextureView view, Auto<DisposableImageView> imageView, Auto<DisposableSampler> sampler)
+            public TextureRef(ShaderStage stage, TextureStorage storage, Auto<DisposableImageView> view, Auto<DisposableSampler> sampler)
             {
                 Stage = stage;
+                Storage = storage;
                 View = view;
-                ImageView = imageView;
                 Sampler = sampler;
             }
         }
@@ -59,14 +58,14 @@ namespace Ryujinx.Graphics.Vulkan
         private record struct ImageRef
         {
             public ShaderStage Stage;
-            public TextureView View;
-            public Auto<DisposableImageView> ImageView;
+            public TextureStorage Storage;
+            public Auto<DisposableImageView> View;
 
-            public ImageRef(ShaderStage stage, TextureView view, Auto<DisposableImageView> imageView)
+            public ImageRef(ShaderStage stage, TextureStorage storage, Auto<DisposableImageView> view)
             {
                 Stage = stage;
+                Storage = storage;
                 View = view;
-                ImageView = imageView;
             }
         }
 
@@ -124,8 +123,6 @@ namespace Ryujinx.Graphics.Vulkan
         private readonly TextureView _dummyTexture;
         private readonly SamplerHolder _dummySampler;
 
-        public List<TextureView> FeedbackLoopHazards { get; private set; }
-
         public DescriptorSetUpdater(VulkanRenderer gd, Device device)
         {
             _gd = gd;
@@ -210,15 +207,10 @@ namespace Ryujinx.Graphics.Vulkan
             _templateUpdater = new();
         }
 
-        public void Initialize(bool isMainPipeline)
+        public void Initialize()
         {
             MemoryOwner<byte> dummyTextureData = MemoryOwner<byte>.RentCleared(4);
             _dummyTexture.SetData(dummyTextureData);
-
-            if (isMainPipeline)
-            {
-                FeedbackLoopHazards = [];
-            }
         }
 
         private static bool BindingOverlaps(ref DescriptorBufferInfo info, int bindingOffset, int offset, int size)
@@ -281,18 +273,6 @@ namespace Ryujinx.Graphics.Vulkan
 
         public void InsertBindingBarriers(CommandBufferScoped cbs)
         {
-            if ((FeedbackLoopHazards?.Count ?? 0) > 0)
-            {
-                // Clear existing hazards - they will be rebuilt.
-
-                foreach (TextureView hazard in FeedbackLoopHazards)
-                {
-                    hazard.DecrementHazardUses();
-                }
-
-                FeedbackLoopHazards.Clear();
-            }
-
             foreach (ResourceBindingSegment segment in _program.BindingSegments[PipelineBase.TextureSetIndex])
             {
                 if (segment.Type == ResourceType.TextureAndSampler)
@@ -302,7 +282,7 @@ namespace Ryujinx.Graphics.Vulkan
                         for (int i = 0; i < segment.Count; i++)
                         {
                             ref TextureRef texture = ref _textureRefs[segment.Binding + i];
-                            texture.View?.PrepareForUsage(cbs, texture.Stage.ConvertToPipelineStageFlags(), FeedbackLoopHazards);
+                            texture.Storage?.QueueWriteToReadBarrier(cbs, AccessFlags.ShaderReadBit, texture.Stage.ConvertToPipelineStageFlags());
                         }
                     }
                     else
@@ -323,7 +303,7 @@ namespace Ryujinx.Graphics.Vulkan
                         for (int i = 0; i < segment.Count; i++)
                         {
                             ref ImageRef image = ref _imageRefs[segment.Binding + i];
-                            image.View?.PrepareForUsage(cbs, image.Stage.ConvertToPipelineStageFlags(), FeedbackLoopHazards);
+                            image.Storage?.QueueWriteToReadBarrier(cbs, AccessFlags.ShaderReadBit, image.Stage.ConvertToPipelineStageFlags());
                         }
                     }
                     else
@@ -397,12 +377,8 @@ namespace Ryujinx.Graphics.Vulkan
             }
             else if (image is TextureView view)
             {
-                ref ImageRef iRef = ref _imageRefs[binding];
-
-                iRef.View?.ClearUsage(FeedbackLoopHazards);
-                view?.PrepareForUsage(cbs, stage.ConvertToPipelineStageFlags(), FeedbackLoopHazards);
-
-                iRef = new(stage, view, view.GetIdentityImageView());
+                view.Storage.QueueWriteToReadBarrier(cbs, AccessFlags.ShaderReadBit, stage.ConvertToPipelineStageFlags());
+                _imageRefs[binding] = new(stage, view.Storage, view.GetIdentityImageView());
             }
             else
             {
@@ -500,12 +476,9 @@ namespace Ryujinx.Graphics.Vulkan
             }
             else if (texture is TextureView view)
             {
-                ref TextureRef iRef = ref _textureRefs[binding];
+                view.Storage.QueueWriteToReadBarrier(cbs, AccessFlags.ShaderReadBit, stage.ConvertToPipelineStageFlags());
 
-                iRef.View?.ClearUsage(FeedbackLoopHazards);
-                view?.PrepareForUsage(cbs, stage.ConvertToPipelineStageFlags(), FeedbackLoopHazards);
-
-                iRef = new(stage, view, view.GetImageView(), ((SamplerHolder)sampler)?.GetSampler());
+                _textureRefs[binding] = new(stage, view.Storage, view.GetImageView(), ((SamplerHolder)sampler)?.GetSampler());
             }
             else
             {
@@ -527,7 +500,7 @@ namespace Ryujinx.Graphics.Vulkan
             {
                 view.Storage.QueueWriteToReadBarrier(cbs, AccessFlags.ShaderReadBit, stage.ConvertToPipelineStageFlags());
 
-                _textureRefs[binding] = new(stage, view, view.GetIdentityImageView(), ((SamplerHolder)sampler)?.GetSampler());
+                _textureRefs[binding] = new(stage, view.Storage, view.GetIdentityImageView(), ((SamplerHolder)sampler)?.GetSampler());
 
                 SignalDirty(DirtyFlags.Texture);
             }
@@ -853,7 +826,7 @@ namespace Ryujinx.Graphics.Vulkan
                                 ref DescriptorImageInfo texture = ref textures[i];
                                 ref TextureRef refs = ref _textureRefs[binding + i];
 
-                                texture.ImageView = refs.ImageView?.Get(cbs).Value ?? default;
+                                texture.ImageView = refs.View?.Get(cbs).Value ?? default;
                                 texture.Sampler = refs.Sampler?.Get(cbs).Value ?? default;
 
                                 if (texture.ImageView.Handle == 0)
@@ -903,7 +876,7 @@ namespace Ryujinx.Graphics.Vulkan
 
                             for (int i = 0; i < count; i++)
                             {
-                                images[i].ImageView = _imageRefs[binding + i].ImageView?.Get(cbs).Value ?? default;
+                                images[i].ImageView = _imageRefs[binding + i].View?.Get(cbs).Value ?? default;
                             }
 
                             tu.Push<DescriptorImageInfo>(images[..count]);
@@ -974,7 +947,7 @@ namespace Ryujinx.Graphics.Vulkan
                             ref DescriptorImageInfo texture = ref textures[i];
                             ref TextureRef refs = ref _textureRefs[binding + i];
 
-                            texture.ImageView = refs.ImageView?.Get(cbs).Value ?? default;
+                            texture.ImageView = refs.View?.Get(cbs).Value ?? default;
                             texture.Sampler = refs.Sampler?.Get(cbs).Value ?? default;
 
                             if (texture.ImageView.Handle == 0)

src/Ryujinx.Graphics.Vulkan/FeedbackLoopAspects.cs

@@ -1,12 +0,0 @@
-using System;
-
-namespace Ryujinx.Graphics.Vulkan
-{
-    [Flags]
-    internal enum FeedbackLoopAspects
-    {
-        None = 0,
-        Color = 1 << 0,
-        Depth = 1 << 1,
-    }
-}

src/Ryujinx.Graphics.Vulkan/FramebufferParams.cs

@@ -303,27 +303,6 @@ namespace Ryujinx.Graphics.Vulkan
             _depthStencil?.Storage?.AddStoreOpUsage(true);
         }
 
-        public void ClearBindings()
-        {
-            _depthStencil?.Storage.ClearBindings();
-
-            for (int i = 0; i < _colorsCanonical.Length; i++)
-            {
-                _colorsCanonical[i]?.Storage.ClearBindings();
-            }
-        }
-
-        public void AddBindings()
-        {
-            _depthStencil?.Storage.AddBinding(_depthStencil);
-
-            for (int i = 0; i < _colorsCanonical.Length; i++)
-            {
-                TextureView color = _colorsCanonical[i];
-                color?.Storage.AddBinding(color);
-            }
-        }
-
         public (RenderPassHolder rpHolder, Auto<DisposableFramebuffer> framebuffer) GetPassAndFramebuffer(
             VulkanRenderer gd,
             Device device,

src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs

@@ -46,8 +46,6 @@ namespace Ryujinx.Graphics.Vulkan
         public readonly bool SupportsViewportArray2;
         public readonly bool SupportsHostImportedMemory;
         public readonly bool SupportsDepthClipControl;
-        public readonly bool SupportsAttachmentFeedbackLoop;
-        public readonly bool SupportsDynamicAttachmentFeedbackLoop;
         public readonly uint SubgroupSize;
         public readonly SampleCountFlags SupportedSampleCounts;
         public readonly PortabilitySubsetFlags PortabilitySubset;
@@ -86,8 +84,6 @@ namespace Ryujinx.Graphics.Vulkan
             bool supportsViewportArray2,
             bool supportsHostImportedMemory,
             bool supportsDepthClipControl,
-            bool supportsAttachmentFeedbackLoop,
-            bool supportsDynamicAttachmentFeedbackLoop,
             uint subgroupSize,
             SampleCountFlags supportedSampleCounts,
             PortabilitySubsetFlags portabilitySubset,
@@ -125,8 +121,6 @@ namespace Ryujinx.Graphics.Vulkan
             SupportsViewportArray2 = supportsViewportArray2;
             SupportsHostImportedMemory = supportsHostImportedMemory;
             SupportsDepthClipControl = supportsDepthClipControl;
-            SupportsAttachmentFeedbackLoop = supportsAttachmentFeedbackLoop;
-            SupportsDynamicAttachmentFeedbackLoop = supportsDynamicAttachmentFeedbackLoop;
             SubgroupSize = subgroupSize;
             SupportedSampleCounts = supportedSampleCounts;
             PortabilitySubset = portabilitySubset;

src/Ryujinx.Graphics.Vulkan/PipelineBase.cs

@@ -3,7 +3,6 @@ using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Shader;
 using Silk.NET.Vulkan;
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Numerics;
 using System.Runtime.CompilerServices;
@@ -36,7 +35,6 @@ namespace Ryujinx.Graphics.Vulkan
         public readonly Action EndRenderPassDelegate;
 
         protected PipelineDynamicState DynamicState;
-        protected bool IsMainPipeline;
         private PipelineState _newState;
         private bool _graphicsStateDirty;
         private bool _computeStateDirty;
@@ -89,9 +87,6 @@ namespace Ryujinx.Graphics.Vulkan
         private bool _tfEnabled;
         private bool _tfActive;
 
-        private FeedbackLoopAspects _feedbackLoop;
-        private bool _passWritesDepthStencil;
-
         private readonly PipelineColorBlendAttachmentState[] _storedBlend;
         public ulong DrawCount { get; private set; }
         public bool RenderPassActive { get; private set; }
@@ -133,7 +128,7 @@ namespace Ryujinx.Graphics.Vulkan
 
         public void Initialize()
         {
-            _descriptorSetUpdater.Initialize(IsMainPipeline);
+            _descriptorSetUpdater.Initialize();
 
             QuadsToTrisPattern = new IndexBufferPattern(Gd, 4, 6, 0, [0, 1, 2, 0, 2, 3], 4, false);
             TriFanToTrisPattern = new IndexBufferPattern(Gd, 3, 3, 2, [int.MinValue, -1, 0], 1, true);
@@ -821,8 +816,6 @@ namespace Ryujinx.Graphics.Vulkan
             _newState.DepthTestEnable = depthTest.TestEnable;
             _newState.DepthWriteEnable = depthTest.WriteEnable;
             _newState.DepthCompareOp = depthTest.Func.Convert();
-
-            UpdatePassDepthStencil();
             SignalStateChange();
         }
 
@@ -1088,8 +1081,6 @@ namespace Ryujinx.Graphics.Vulkan
             _newState.StencilFrontPassOp = stencilTest.FrontDpPass.Convert();
             _newState.StencilFrontDepthFailOp = stencilTest.FrontDpFail.Convert();
             _newState.StencilFrontCompareOp = stencilTest.FrontFunc.Convert();
-
-            UpdatePassDepthStencil();
             SignalStateChange();
         }
 
@@ -1437,23 +1428,7 @@ namespace Ryujinx.Graphics.Vulkan
                 }
             }
 
-            if (IsMainPipeline)
-            {
-                FramebufferParams?.ClearBindings();
-            }
-
             FramebufferParams = new FramebufferParams(Device, colors, depthStencil);
-
-            if (IsMainPipeline)
-            {
-                FramebufferParams.AddBindings();
-
-                _newState.FeedbackLoopAspects = FeedbackLoopAspects.None;
-                _bindingBarriersDirty = true;
-            }
-
-            _passWritesDepthStencil = false;
-            UpdatePassDepthStencil();
             UpdatePipelineAttachmentFormats();
         }
 
@@ -1520,82 +1495,11 @@ namespace Ryujinx.Graphics.Vulkan
                 }
             }
 
-            Gd.Barriers.Flush(Cbs, _program, _feedbackLoop != 0, RenderPassActive, _rpHolder, EndRenderPassDelegate);
+            Gd.Barriers.Flush(Cbs, _program, RenderPassActive, _rpHolder, EndRenderPassDelegate);
 
             _descriptorSetUpdater.UpdateAndBindDescriptorSets(Cbs, PipelineBindPoint.Compute);
         }
 
-        private bool ChangeFeedbackLoop(FeedbackLoopAspects aspects)
-        {
-            if (_feedbackLoop != aspects)
-            {
-                if (Gd.Capabilities.SupportsDynamicAttachmentFeedbackLoop)
-                {
-                    DynamicState.SetFeedbackLoop(aspects);
-                }
-                else
-                {
-                    _newState.FeedbackLoopAspects = aspects;
-                }
-
-                _feedbackLoop = aspects;
-
-                return true;
-            }
-
-            return false;
-        }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private bool UpdateFeedbackLoop()
-        {
-            List<TextureView> hazards = _descriptorSetUpdater.FeedbackLoopHazards;
-
-            if ((hazards?.Count ?? 0) > 0)
-            {
-                FeedbackLoopAspects aspects = 0;
-
-                foreach (TextureView view in hazards)
-                {
-                    // May need to enforce feedback loop layout here in the future.
-                    // Though technically, it should always work with the general layout.
-
-                    if (view.Info.Format.IsDepthOrStencil())
-                    {
-                        if (_passWritesDepthStencil)
-                        {
-                            // If depth/stencil isn't written in the pass, it doesn't count as a feedback loop.
-
-                            aspects |= FeedbackLoopAspects.Depth;
-                        }
-                    }
-                    else
-                    {
-                        aspects |= FeedbackLoopAspects.Color;
-                    }
-                }
-
-                return ChangeFeedbackLoop(aspects);
-            }
-            else if (_feedbackLoop != 0)
-            {
-                return ChangeFeedbackLoop(FeedbackLoopAspects.None);
-            }
-
-            return false;
-        }
-
-        private void UpdatePassDepthStencil()
-        {
-            if (!RenderPassActive)
-            {
-                _passWritesDepthStencil = false;
-            }
-
-            // Stencil test being enabled doesn't necessarily mean a write, but it's not critical to check.
-            _passWritesDepthStencil |= (_newState.DepthTestEnable && _newState.DepthWriteEnable) || _newState.StencilTestEnable;
-        }
-
         private bool RecreateGraphicsPipelineIfNeeded()
         {
             if (AutoFlush.ShouldFlushDraw(DrawCount))
@@ -1603,7 +1507,7 @@ namespace Ryujinx.Graphics.Vulkan
                 Gd.FlushAllCommands();
             }
 
-            DynamicState.ReplayIfDirty(Gd, CommandBuffer);
+            DynamicState.ReplayIfDirty(Gd.Api, CommandBuffer);
 
             if (_needsIndexBufferRebind && _indexBufferPattern == null)
             {
@@ -1637,15 +1541,7 @@ namespace Ryujinx.Graphics.Vulkan
                 _vertexBufferUpdater.Commit(Cbs);
             }
 
-            if (_bindingBarriersDirty)
-            {
-                // Stale barriers may have been activated by switching program. Emit any that are relevant.
-                _descriptorSetUpdater.InsertBindingBarriers(Cbs);
-
-                _bindingBarriersDirty = false;
-            }
-
-            if (UpdateFeedbackLoop() || _graphicsStateDirty || Pbp != PipelineBindPoint.Graphics)
+            if (_graphicsStateDirty || Pbp != PipelineBindPoint.Graphics)
             {
                 if (!CreatePipeline(PipelineBindPoint.Graphics))
                 {
@@ -1654,9 +1550,17 @@ namespace Ryujinx.Graphics.Vulkan
 
                 _graphicsStateDirty = false;
                 Pbp = PipelineBindPoint.Graphics;
+
+                if (_bindingBarriersDirty)
+                {
+                    // Stale barriers may have been activated by switching program. Emit any that are relevant.
+                    _descriptorSetUpdater.InsertBindingBarriers(Cbs);
+
+                    _bindingBarriersDirty = false;
+                }
             }
 
-            Gd.Barriers.Flush(Cbs, _program, _feedbackLoop != 0, RenderPassActive, _rpHolder, EndRenderPassDelegate);
+            Gd.Barriers.Flush(Cbs, _program, RenderPassActive, _rpHolder, EndRenderPassDelegate);
 
             _descriptorSetUpdater.UpdateAndBindDescriptorSets(Cbs, PipelineBindPoint.Graphics);
 

src/Ryujinx.Graphics.Vulkan/PipelineDynamicState.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Common.Memory;
 using Silk.NET.Vulkan;
-using Silk.NET.Vulkan.Extensions.EXT;
 
 namespace Ryujinx.Graphics.Vulkan
 {
@@ -22,8 +21,6 @@ namespace Ryujinx.Graphics.Vulkan
 
         private Array4<float> _blendConstants;
 
-        private FeedbackLoopAspects _feedbackLoopAspects;
-
         public uint ViewportsCount;
         public Array16<Viewport> Viewports;
 
@@ -35,8 +32,7 @@ namespace Ryujinx.Graphics.Vulkan
             Scissor = 1 << 2,
             Stencil = 1 << 3,
             Viewport = 1 << 4,
-            FeedbackLoop = 1 << 5,
-            All = Blend | DepthBias | Scissor | Stencil | Viewport | FeedbackLoop,
+            All = Blend | DepthBias | Scissor | Stencil | Viewport,
         }
 
         private DirtyFlags _dirty;
@@ -103,22 +99,13 @@ namespace Ryujinx.Graphics.Vulkan
             }
         }
 
-        public void SetFeedbackLoop(FeedbackLoopAspects aspects)
-        {
-            _feedbackLoopAspects = aspects;
-
-            _dirty |= DirtyFlags.FeedbackLoop;
-        }
-
         public void ForceAllDirty()
         {
             _dirty = DirtyFlags.All;
         }
 
-        public void ReplayIfDirty(VulkanRenderer gd, CommandBuffer commandBuffer)
+        public void ReplayIfDirty(Vk api, CommandBuffer commandBuffer)
         {
-            Vk api = gd.Api;
-
             if (_dirty.HasFlag(DirtyFlags.Blend))
             {
                 RecordBlend(api, commandBuffer);
@@ -144,11 +131,6 @@ namespace Ryujinx.Graphics.Vulkan
                 RecordViewport(api, commandBuffer);
             }
 
-            if (_dirty.HasFlag(DirtyFlags.FeedbackLoop) && gd.Capabilities.SupportsDynamicAttachmentFeedbackLoop)
-            {
-                RecordFeedbackLoop(gd.DynamicFeedbackLoopApi, commandBuffer);
-            }
-
             _dirty = DirtyFlags.None;
         }
 
@@ -187,17 +169,5 @@ namespace Ryujinx.Graphics.Vulkan
                 api.CmdSetViewport(commandBuffer, 0, ViewportsCount, Viewports.AsSpan());
             }
         }
-
-        private readonly void RecordFeedbackLoop(ExtAttachmentFeedbackLoopDynamicState api, CommandBuffer commandBuffer)
-        {
-            ImageAspectFlags aspects = (_feedbackLoopAspects & FeedbackLoopAspects.Color) != 0 ? ImageAspectFlags.ColorBit : 0;
-
-            if ((_feedbackLoopAspects & FeedbackLoopAspects.Depth) != 0)
-            {
-                aspects |= ImageAspectFlags.DepthBit | ImageAspectFlags.StencilBit;
-            }
-
-            api.CmdSetAttachmentFeedbackLoopEnable(commandBuffer, aspects);
-        }
     }
 }

src/Ryujinx.Graphics.Vulkan/PipelineFull.cs

@@ -28,8 +28,6 @@ namespace Ryujinx.Graphics.Vulkan
             _activeBufferMirrors = [];
 
             CommandBuffer = (Cbs = gd.CommandBufferPool.Rent()).CommandBuffer;
-
-            IsMainPipeline = true;
         }
 
         private void CopyPendingQuery()
@@ -237,7 +235,7 @@ namespace Ryujinx.Graphics.Vulkan
 
             if (Pipeline != null && Pbp == PipelineBindPoint.Graphics)
             {
-                DynamicState.ReplayIfDirty(Gd, CommandBuffer);
+                DynamicState.ReplayIfDirty(Gd.Api, CommandBuffer);
             }
         }
 

src/Ryujinx.Graphics.Vulkan/PipelineState.cs

@@ -8,7 +8,6 @@ namespace Ryujinx.Graphics.Vulkan
     struct PipelineState : IDisposable
     {
         private const int RequiredSubgroupSize = 32;
-        private const int MaxDynamicStatesCount = 9;
 
         public PipelineUid Internal;
 
@@ -300,12 +299,6 @@ namespace Ryujinx.Graphics.Vulkan
             set => Internal.Id8 = (Internal.Id8 & 0xFFFFFFFFFFFFFFBF) | ((value ? 1UL : 0UL) << 6);
         }
 
-        public FeedbackLoopAspects FeedbackLoopAspects
-        {
-            readonly get => (FeedbackLoopAspects)((Internal.Id8 >> 7) & 0x3);
-            set => Internal.Id8 = (Internal.Id8 & 0xFFFFFFFFFFFFFE7F) | (((ulong)value) << 7);
-        }
-
         public bool HasTessellationControlShader;
         public NativeArray<PipelineShaderStageCreateInfo> Stages;
         public PipelineLayout PipelineLayout;
@@ -571,11 +564,9 @@ namespace Ryujinx.Graphics.Vulkan
                 }
 
                 bool supportsExtDynamicState = gd.Capabilities.SupportsExtendedDynamicState;
-                bool supportsFeedbackLoopDynamicState = gd.Capabilities.SupportsDynamicAttachmentFeedbackLoop;
+                int dynamicStatesCount = supportsExtDynamicState ? 8 : 7;
 
-                DynamicState* dynamicStates = stackalloc DynamicState[MaxDynamicStatesCount];
-
-                int dynamicStatesCount = 7;
+                DynamicState* dynamicStates = stackalloc DynamicState[dynamicStatesCount];
 
                 dynamicStates[0] = DynamicState.Viewport;
                 dynamicStates[1] = DynamicState.Scissor;
@@ -587,12 +578,7 @@ namespace Ryujinx.Graphics.Vulkan
 
                 if (supportsExtDynamicState)
                 {
-                    dynamicStates[dynamicStatesCount++] = DynamicState.VertexInputBindingStrideExt;
-                }
-
-                if (supportsFeedbackLoopDynamicState)
-                {
-                    dynamicStates[dynamicStatesCount++] = DynamicState.AttachmentFeedbackLoopEnableExt;
+                    dynamicStates[7] = DynamicState.VertexInputBindingStrideExt;
                 }
 
                 PipelineDynamicStateCreateInfo pipelineDynamicStateCreateInfo = new()
@@ -602,27 +588,9 @@ namespace Ryujinx.Graphics.Vulkan
                     PDynamicStates = dynamicStates,
                 };
 
-                PipelineCreateFlags flags = 0;
-
-                if (gd.Capabilities.SupportsAttachmentFeedbackLoop)
-                {
-                    FeedbackLoopAspects aspects = FeedbackLoopAspects;
-
-                    if ((aspects & FeedbackLoopAspects.Color) != 0)
-                    {
-                        flags |= PipelineCreateFlags.CreateColorAttachmentFeedbackLoopBitExt;
-                    }
-
-                    if ((aspects & FeedbackLoopAspects.Depth) != 0)
-                    {
-                        flags |= PipelineCreateFlags.CreateDepthStencilAttachmentFeedbackLoopBitExt;
-                    }
-                }
-
                 GraphicsPipelineCreateInfo pipelineCreateInfo = new()
                 {
                     SType = StructureType.GraphicsPipelineCreateInfo,
-                    Flags = flags,
                     StageCount = StagesCount,
                     PStages = Stages.Pointer,
                     PVertexInputState = &vertexInputState,

src/Ryujinx.Graphics.Vulkan/TextureStorage.cs

@@ -4,7 +4,6 @@ using Silk.NET.Vulkan;
 using System;
 using System.Collections.Generic;
 using System.Numerics;
-using System.Runtime.CompilerServices;
 using Format = Ryujinx.Graphics.GAL.Format;
 using VkBuffer = Silk.NET.Vulkan.Buffer;
 using VkFormat = Silk.NET.Vulkan.Format;
@@ -13,11 +12,6 @@ namespace Ryujinx.Graphics.Vulkan
 {
     class TextureStorage : IDisposable
     {
-        private struct TextureSliceInfo
-        {
-            public int BindCount;
-        }
-
         private const MemoryPropertyFlags DefaultImageMemoryFlags =
             MemoryPropertyFlags.DeviceLocalBit;
 
@@ -49,7 +43,6 @@ namespace Ryujinx.Graphics.Vulkan
         private readonly Image _image;
         private readonly Auto<DisposableImage> _imageAuto;
         private readonly Auto<MemoryAllocation> _allocationAuto;
-        private readonly int _depthOrLayers;
         private Auto<MemoryAllocation> _foreignAllocationAuto;
 
         private Dictionary<Format, TextureStorage> _aliasedStorages;
@@ -62,9 +55,6 @@ namespace Ryujinx.Graphics.Vulkan
         private int _viewsCount;
         private readonly ulong _size;
 
-        private int _bindCount;
-        private readonly TextureSliceInfo[] _slices;
-
         public VkFormat VkFormat { get; }
 
         public unsafe TextureStorage(
@@ -85,7 +75,6 @@ namespace Ryujinx.Graphics.Vulkan
             uint depth = (uint)(info.Target == Target.Texture3D ? info.Depth : 1);
 
             VkFormat = format;
-            _depthOrLayers = info.GetDepthOrLayers();
 
             ImageType type = info.Target.Convert();
 
@@ -161,8 +150,6 @@ namespace Ryujinx.Graphics.Vulkan
 
                 InitialTransition(ImageLayout.Preinitialized, ImageLayout.General);
             }
-
-            _slices = new TextureSliceInfo[levels * _depthOrLayers];
         }
 
         public TextureStorage CreateAliasedColorForDepthStorageUnsafe(Format format)
@@ -325,12 +312,6 @@ namespace Ryujinx.Graphics.Vulkan
                 usage |= ImageUsageFlags.StorageBit;
             }
 
-            if (capabilities.SupportsAttachmentFeedbackLoop &&
-                (usage & (ImageUsageFlags.DepthStencilAttachmentBit | ImageUsageFlags.ColorAttachmentBit)) != 0)
-            {
-                usage |= ImageUsageFlags.AttachmentFeedbackLoopBitExt;
-            }
-
             return usage;
         }
 
@@ -531,55 +512,6 @@ namespace Ryujinx.Graphics.Vulkan
             }
         }
 
-        public void AddBinding(TextureView view)
-        {
-            // Assumes a view only has a first level.
-
-            int index = view.FirstLevel * _depthOrLayers + view.FirstLayer;
-            int layers = view.Layers;
-
-            for (int i = 0; i < layers; i++)
-            {
-                ref TextureSliceInfo info = ref _slices[index++];
-
-                info.BindCount++;
-            }
-
-            _bindCount++;
-        }
-
-        public void ClearBindings()
-        {
-            if (_bindCount != 0)
-            {
-                Array.Clear(_slices, 0, _slices.Length);
-
-                _bindCount = 0;
-            }
-        }
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public bool IsBound(TextureView view)
-        {
-            if (_bindCount != 0)
-            {
-                int index = view.FirstLevel * _depthOrLayers + view.FirstLayer;
-                int layers = view.Layers;
-
-                for (int i = 0; i < layers; i++)
-                {
-                    ref TextureSliceInfo info = ref _slices[index++];
-
-                    if (info.BindCount != 0)
-                    {
-                        return true;
-                    }
-                }
-            }
-
-            return false;
-        }
-
         public void IncrementViewsCount()
         {
             _viewsCount++;

src/Ryujinx.Graphics.Vulkan/TextureView.cs

@@ -23,8 +23,6 @@ namespace Ryujinx.Graphics.Vulkan
         private readonly Auto<DisposableImageView> _imageView2dArray;
         private Dictionary<Format, TextureView> _selfManagedViews;
 
-        private int _hazardUses;
-
         private readonly TextureCreateInfo _info;
 
         private HashTableSlim<RenderPassCacheKey, RenderPassHolder> _renderPasses;
@@ -1039,34 +1037,6 @@ namespace Ryujinx.Graphics.Vulkan
             throw new NotImplementedException();
         }
 
-        public void PrepareForUsage(CommandBufferScoped cbs, PipelineStageFlags flags, List<TextureView> feedbackLoopHazards)
-        {
-            Storage.QueueWriteToReadBarrier(cbs, AccessFlags.ShaderReadBit, flags);
-
-            if (feedbackLoopHazards != null && Storage.IsBound(this))
-            {
-                feedbackLoopHazards.Add(this);
-                _hazardUses++;
-            }
-        }
-
-        public void ClearUsage(List<TextureView> feedbackLoopHazards)
-        {
-            if (_hazardUses != 0 && feedbackLoopHazards != null)
-            {
-                feedbackLoopHazards.Remove(this);
-                _hazardUses--;
-            }
-        }
-
-        public void DecrementHazardUses()
-        {
-            if (_hazardUses != 0)
-            {
-                _hazardUses--;
-            }
-        }
-
         public (RenderPassHolder rpHolder, Auto<DisposableFramebuffer> framebuffer) GetPassAndFramebuffer(
             VulkanRenderer gd,
             Device device,

src/Ryujinx.Graphics.Vulkan/VulkanInitialization.cs

@@ -21,7 +21,7 @@ namespace Ryujinx.Graphics.Vulkan
         private const string AppName = "Ryujinx.Graphics.Vulkan";
         private const int QueuesCount = 2;
 
-        private static readonly string[] _desirableExtensions =
+        private static readonly string[] _desirableExtensions = 
         [
             ExtConditionalRendering.ExtensionName,
             ExtExtendedDynamicState.ExtensionName,
@@ -46,8 +46,6 @@ namespace Ryujinx.Graphics.Vulkan
             "VK_EXT_4444_formats",
             "VK_KHR_8bit_storage",
             "VK_KHR_maintenance2",
-            "VK_EXT_attachment_feedback_loop_layout",
-            "VK_EXT_attachment_feedback_loop_dynamic_state"
         ];
 
         private static readonly string[] _requiredExtensions =
@@ -362,28 +360,6 @@ namespace Ryujinx.Graphics.Vulkan
                 features2.PNext = &supportedFeaturesDepthClipControl;
             }
 
-            PhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesEXT supportedFeaturesAttachmentFeedbackLoopLayout = new()
-            {
-                SType = StructureType.PhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesExt,
-                PNext = features2.PNext,
-            };
-
-            if (physicalDevice.IsDeviceExtensionPresent("VK_EXT_attachment_feedback_loop_layout"))
-            {
-                features2.PNext = &supportedFeaturesAttachmentFeedbackLoopLayout;
-            }
-
-            PhysicalDeviceAttachmentFeedbackLoopDynamicStateFeaturesEXT supportedFeaturesDynamicAttachmentFeedbackLoopLayout = new()
-            {
-                SType = StructureType.PhysicalDeviceAttachmentFeedbackLoopDynamicStateFeaturesExt,
-                PNext = features2.PNext,
-            };
-
-            if (physicalDevice.IsDeviceExtensionPresent("VK_EXT_attachment_feedback_loop_dynamic_state"))
-            {
-                features2.PNext = &supportedFeaturesDynamicAttachmentFeedbackLoopLayout;
-            }
-
             PhysicalDeviceVulkan12Features supportedPhysicalDeviceVulkan12Features = new()
             {
                 SType = StructureType.PhysicalDeviceVulkan12Features,
@@ -558,36 +534,6 @@ namespace Ryujinx.Graphics.Vulkan
                 pExtendedFeatures = &featuresDepthClipControl;
             }
 
-            PhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesEXT featuresAttachmentFeedbackLoopLayout;
-
-            if (physicalDevice.IsDeviceExtensionPresent("VK_EXT_attachment_feedback_loop_layout") &&
-                supportedFeaturesAttachmentFeedbackLoopLayout.AttachmentFeedbackLoopLayout)
-            {
-                featuresAttachmentFeedbackLoopLayout = new()
-                {
-                    SType = StructureType.PhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesExt,
-                    PNext = pExtendedFeatures,
-                    AttachmentFeedbackLoopLayout = true,
-                };
-
-                pExtendedFeatures = &featuresAttachmentFeedbackLoopLayout;
-            }
-
-            PhysicalDeviceAttachmentFeedbackLoopDynamicStateFeaturesEXT featuresDynamicAttachmentFeedbackLoopLayout;
-
-            if (physicalDevice.IsDeviceExtensionPresent("VK_EXT_attachment_feedback_loop_dynamic_state") &&
-                supportedFeaturesDynamicAttachmentFeedbackLoopLayout.AttachmentFeedbackLoopDynamicState)
-            {
-                featuresDynamicAttachmentFeedbackLoopLayout = new()
-                {
-                    SType = StructureType.PhysicalDeviceAttachmentFeedbackLoopDynamicStateFeaturesExt,
-                    PNext = pExtendedFeatures,
-                    AttachmentFeedbackLoopDynamicState = true,
-                };
-
-                pExtendedFeatures = &featuresDynamicAttachmentFeedbackLoopLayout;
-            }
-
             string[] enabledExtensions = _requiredExtensions.Union(_desirableExtensions.Intersect(physicalDevice.DeviceExtensions)).ToArray();
 
             nint* ppEnabledExtensions = stackalloc nint[enabledExtensions.Length];

src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs

@@ -44,7 +44,6 @@ namespace Ryujinx.Graphics.Vulkan
         internal KhrPushDescriptor PushDescriptorApi { get; private set; }
         internal ExtTransformFeedback TransformFeedbackApi { get; private set; }
         internal KhrDrawIndirectCount DrawIndirectCountApi { get; private set; }
-        internal ExtAttachmentFeedbackLoopDynamicState DynamicFeedbackLoopApi { get; private set; }
 
         internal uint QueueFamilyIndex { get; private set; }
         internal Queue Queue { get; private set; }
@@ -158,11 +157,6 @@ namespace Ryujinx.Graphics.Vulkan
                 DrawIndirectCountApi = drawIndirectCountApi;
             }
 
-            if (Api.TryGetDeviceExtension(_instance.Instance, _device, out ExtAttachmentFeedbackLoopDynamicState dynamicFeedbackLoopApi))
-            {
-                DynamicFeedbackLoopApi = dynamicFeedbackLoopApi;
-            }
-
             if (maxQueueCount >= 2)
             {
                 Api.GetDeviceQueue(_device, queueFamilyIndex, 1, out Queue backgroundQueue);
@@ -257,16 +251,6 @@ namespace Ryujinx.Graphics.Vulkan
                 SType = StructureType.PhysicalDeviceDepthClipControlFeaturesExt,
             };
 
-            PhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesEXT featuresAttachmentFeedbackLoop = new()
-            {
-                SType = StructureType.PhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesExt,
-            };
-
-            PhysicalDeviceAttachmentFeedbackLoopDynamicStateFeaturesEXT featuresDynamicAttachmentFeedbackLoop = new()
-            {
-                SType = StructureType.PhysicalDeviceAttachmentFeedbackLoopDynamicStateFeaturesExt,
-            };
-
             PhysicalDevicePortabilitySubsetFeaturesKHR featuresPortabilitySubset = new()
             {
                 SType = StructureType.PhysicalDevicePortabilitySubsetFeaturesKhr,
@@ -303,22 +287,6 @@ namespace Ryujinx.Graphics.Vulkan
                 features2.PNext = &featuresDepthClipControl;
             }
 
-            bool supportsAttachmentFeedbackLoop = _physicalDevice.IsDeviceExtensionPresent("VK_EXT_attachment_feedback_loop_layout");
-
-            if (supportsAttachmentFeedbackLoop)
-            {
-                featuresAttachmentFeedbackLoop.PNext = features2.PNext;
-                features2.PNext = &featuresAttachmentFeedbackLoop;
-            }
-
-            bool supportsDynamicAttachmentFeedbackLoop = _physicalDevice.IsDeviceExtensionPresent("VK_EXT_attachment_feedback_loop_dynamic_state");
-
-            if (supportsDynamicAttachmentFeedbackLoop)
-            {
-                featuresDynamicAttachmentFeedbackLoop.PNext = features2.PNext;
-                features2.PNext = &featuresDynamicAttachmentFeedbackLoop;
-            }
-
             bool usePortability = _physicalDevice.IsDeviceExtensionPresent("VK_KHR_portability_subset");
 
             if (usePortability)
@@ -441,8 +409,6 @@ namespace Ryujinx.Graphics.Vulkan
                 _physicalDevice.IsDeviceExtensionPresent("VK_NV_viewport_array2"),
                 _physicalDevice.IsDeviceExtensionPresent(ExtExternalMemoryHost.ExtensionName),
                 supportsDepthClipControl && featuresDepthClipControl.DepthClipControl,
-                supportsAttachmentFeedbackLoop && featuresAttachmentFeedbackLoop.AttachmentFeedbackLoopLayout,
-                supportsDynamicAttachmentFeedbackLoop && featuresDynamicAttachmentFeedbackLoop.AttachmentFeedbackLoopDynamicState,
                 propertiesSubgroup.SubgroupSize,
                 supportedSampleCounts,
                 portabilityFlags,

src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/LdnRyu/Proxy/P2pProxyServer.cs

@@ -113,7 +113,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator.LdnRyu.Proxy
         public async Task<ushort> NatPunch()
         {
             NatDiscoverer discoverer = new();
-            CancellationTokenSource cts = new(5000);
+            CancellationTokenSource cts = new(2500);
 
             NatDevice device;
 

src/Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs

@@ -101,12 +101,21 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
                 }
             }
 
-            ISocket newBsdSocket = new ManagedSocket(netDomain, (SocketType)type, protocol, context.Device.Configuration.MultiplayerLanInterfaceId)
-            {
-                Blocking = !creationFlags.HasFlag(BsdSocketCreationFlags.NonBlocking),
-            };
-
             LinuxError errno = LinuxError.SUCCESS;
+            ISocket newBsdSocket;
+
+            try
+            {
+                newBsdSocket = new ManagedSocket(netDomain, (SocketType)type, protocol, context.Device.Configuration.MultiplayerLanInterfaceId)
+                {
+                    Blocking = !creationFlags.HasFlag(BsdSocketCreationFlags.NonBlocking),
+                };
+            }
+            catch (SocketException exception)
+            {
+                LinuxError errNo = WinSockHelper.ConvertError((WsaError)exception.ErrorCode);
+                return WriteBsdResult(context, 0, errNo);
+            }
 
             int newSockFd = _context.RegisterFileDescriptor(newBsdSocket);
 

src/Ryujinx/Program.cs

@@ -137,8 +137,8 @@ namespace Ryujinx.Ava
             // Logging system information.
             PrintSystemInfo();
 
-            // Enable OGL multithreading on the driver, and some other flags.
-            DriverUtilities.InitDriverConfig(ConfigurationState.Instance.Graphics.BackendThreading == BackendThreading.Off);
+            // Enable OGL multithreading on the driver, when available.
+            DriverUtilities.ToggleOGLThreading(ConfigurationState.Instance.Graphics.BackendThreading == BackendThreading.Off);
 
             // Check if keys exists.
             if (!File.Exists(Path.Combine(AppDataManager.KeysDirPath, "prod.keys")))