Add Support for Post Processing Effects (#3616)

* Add Post Processing Effects

* fix events and shader issues

* fix gtk upscale slider value

* fix bgra games

* don't swap swizzle if already swapped

* restore opengl texture state after effects run

* addressed review

* use single pipeline for smaa and fsr

* call finish on all pipelines

* addressed review

* attempt fix file case

* attempt fixing file case

* fix filter level tick frequency

* adjust filter slider margins

* replace fxaa shaders with original shader

* addressed review

Ryujinx.Graphics.Vulkan/DescriptorSetUpdater.cs

@@ -163,6 +163,13 @@ namespace Ryujinx.Graphics.Vulkan
             SignalDirty(DirtyFlags.Image);
         }
 
+        public void SetImage(int binding, Auto<DisposableImageView> image)
+        {
+            _imageRefs[binding] = image;
+
+            SignalDirty(DirtyFlags.Image);
+        }
+
         public void SetStorageBuffers(CommandBuffer commandBuffer, ReadOnlySpan<BufferAssignment> buffers)
         {
             for (int i = 0; i < buffers.Length; i++)

Ryujinx.Graphics.Vulkan/Effects/FsrScalingFilter.cs

@@ -0,0 +1,208 @@
+using Ryujinx.Common;
+using Ryujinx.Graphics.GAL;
+using Ryujinx.Graphics.Shader;
+using Ryujinx.Graphics.Shader.Translation;
+using Silk.NET.Vulkan;
+using System;
+using Extent2D = Ryujinx.Graphics.GAL.Extents2D;
+
+namespace Ryujinx.Graphics.Vulkan.Effects
+{
+    internal partial class FsrScalingFilter : IScalingFilter
+    {
+        private readonly VulkanRenderer _renderer;
+        private PipelineHelperShader _pipeline;
+        private ISampler _sampler;
+        private ShaderCollection _scalingProgram;
+        private ShaderCollection _sharpeningProgram;
+        private float _sharpeningLevel = 1;
+        private Device _device;
+        private TextureView _intermediaryTexture;
+
+        public float Level
+        {
+            get => _sharpeningLevel;
+            set
+            {
+                _sharpeningLevel = MathF.Max(0.01f, value);
+            }
+        }
+
+        public FsrScalingFilter(VulkanRenderer renderer, Device device)
+        {
+            _device = device;
+            _renderer = renderer;
+
+            Initialize();
+        }
+
+        public void Dispose()
+        {
+            _pipeline.Dispose();
+            _scalingProgram.Dispose();
+            _sharpeningProgram.Dispose();
+            _sampler.Dispose();
+            _intermediaryTexture?.Dispose();
+        }
+
+        public void Initialize()
+        {
+            _pipeline = new PipelineHelperShader(_renderer, _device);
+
+            _pipeline.Initialize();
+
+            var scalingShader = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Shaders/FsrScaling.spv");
+            var sharpeningShader = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Shaders/FsrSharpening.spv");
+
+            var computeBindings = new ShaderBindings(
+                new[] { 2 },
+                Array.Empty<int>(),
+                new[] { 1 },
+                new[] { 0 });
+
+            var sharpeningBindings = new ShaderBindings(
+                new[] { 2, 3, 4 },
+                Array.Empty<int>(),
+                new[] { 1 },
+                new[] { 0 });
+
+            _sampler = _renderer.CreateSampler(GAL.SamplerCreateInfo.Create(MinFilter.Linear, MagFilter.Linear));
+
+            _scalingProgram = _renderer.CreateProgramWithMinimalLayout(new[]
+            {
+                new ShaderSource(scalingShader, computeBindings, ShaderStage.Compute, TargetLanguage.Spirv)
+            });
+
+            _sharpeningProgram = _renderer.CreateProgramWithMinimalLayout(new[]
+            {
+                new ShaderSource(sharpeningShader, sharpeningBindings, ShaderStage.Compute, TargetLanguage.Spirv)
+            });
+        }
+
+        public void Run(
+            TextureView view,
+            CommandBufferScoped cbs,
+            Auto<DisposableImageView> destinationTexture,
+            Silk.NET.Vulkan.Format format,
+            int width,
+            int height,
+            Extent2D source,
+            Extent2D destination)
+        {
+            if (_intermediaryTexture == null
+                || _intermediaryTexture.Info.Width != width
+                || _intermediaryTexture.Info.Height != height
+                || !_intermediaryTexture.Info.Equals(view.Info))
+            {
+                var originalInfo = view.Info;
+
+                var swapRB = originalInfo.Format.IsBgr() && originalInfo.SwizzleR == SwizzleComponent.Red;
+
+                var info = new TextureCreateInfo(
+                    width,
+                    height,
+                    originalInfo.Depth,
+                    originalInfo.Levels,
+                    originalInfo.Samples,
+                    originalInfo.BlockWidth,
+                    originalInfo.BlockHeight,
+                    originalInfo.BytesPerPixel,
+                    originalInfo.Format,
+                    originalInfo.DepthStencilMode,
+                    originalInfo.Target,
+                    swapRB ? originalInfo.SwizzleB : originalInfo.SwizzleR,
+                    originalInfo.SwizzleG,
+                    swapRB ? originalInfo.SwizzleR : originalInfo.SwizzleB,
+                    originalInfo.SwizzleA);
+                _intermediaryTexture?.Dispose();
+                _intermediaryTexture = _renderer.CreateTexture(info, view.ScaleFactor) as TextureView;
+            }
+
+            Span<GAL.Viewport> viewports = stackalloc GAL.Viewport[1];
+            Span<Rectangle<int>> scissors = stackalloc Rectangle<int>[1];
+
+            viewports[0] = new GAL.Viewport(
+                new Rectangle<float>(0, 0, view.Width, view.Height),
+                ViewportSwizzle.PositiveX,
+                ViewportSwizzle.PositiveY,
+                ViewportSwizzle.PositiveZ,
+                ViewportSwizzle.PositiveW,
+                0f,
+                1f);
+
+            scissors[0] = new Rectangle<int>(0, 0, view.Width, view.Height);
+
+            _pipeline.SetCommandBuffer(cbs);
+            _pipeline.SetProgram(_scalingProgram);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 1, view, _sampler);
+
+            float srcWidth = Math.Abs(source.X2 - source.X1);
+            float srcHeight = Math.Abs(source.Y2 - source.Y1);
+            float scaleX = srcWidth / view.Width;
+            float scaleY = srcHeight / view.Height;
+
+            ReadOnlySpan<float> dimensionsBuffer = stackalloc float[]
+            {
+                source.X1,
+                source.X2,
+                source.Y1,
+                source.Y2,
+                destination.X1,
+                destination.X2,
+                destination.Y1,
+                destination.Y2,
+                scaleX,
+                scaleY
+            };
+
+            int rangeSize = dimensionsBuffer.Length * sizeof(float);
+            var bufferHandle = _renderer.BufferManager.CreateWithHandle(_renderer, rangeSize, false);
+            _renderer.BufferManager.SetData(bufferHandle, 0, dimensionsBuffer);
+
+            ReadOnlySpan<float> sharpeningBuffer = stackalloc float[] { 1.5f - (Level * 0.01f * 1.5f)};
+            var sharpeningBufferHandle = _renderer.BufferManager.CreateWithHandle(_renderer, sizeof(float), false);
+            _renderer.BufferManager.SetData(sharpeningBufferHandle, 0, sharpeningBuffer);
+
+            int threadGroupWorkRegionDim = 16;
+            int dispatchX = (width + (threadGroupWorkRegionDim - 1)) / threadGroupWorkRegionDim;
+            int dispatchY = (height + (threadGroupWorkRegionDim - 1)) / threadGroupWorkRegionDim;
+
+            var bufferRanges = new BufferRange(bufferHandle, 0, rangeSize);
+            _pipeline.SetUniformBuffers(stackalloc[] { new BufferAssignment(2, bufferRanges) });
+            _pipeline.SetScissors(scissors);
+            _pipeline.SetViewports(viewports, false);
+            _pipeline.SetImage(0, _intermediaryTexture, GAL.Format.R8G8B8A8Unorm);
+            _pipeline.DispatchCompute(dispatchX, dispatchY, 1);
+            _pipeline.ComputeBarrier();
+
+            viewports[0] = new GAL.Viewport(
+                new Rectangle<float>(0, 0, width, height),
+                ViewportSwizzle.PositiveX,
+                ViewportSwizzle.PositiveY,
+                ViewportSwizzle.PositiveZ,
+                ViewportSwizzle.PositiveW,
+                0f,
+                1f);
+
+            scissors[0] = new Rectangle<int>(0, 0, width, height);
+
+            // Sharpening pass
+            _pipeline.SetCommandBuffer(cbs);
+            _pipeline.SetProgram(_sharpeningProgram);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 1, _intermediaryTexture, _sampler);
+            _pipeline.SetUniformBuffers(stackalloc[] { new BufferAssignment(2, bufferRanges) });
+            var sharpeningRange = new BufferRange(sharpeningBufferHandle, 0, sizeof(float));
+            _pipeline.SetUniformBuffers(stackalloc[] { new BufferAssignment(4, sharpeningRange) });
+            _pipeline.SetScissors(scissors);
+            _pipeline.SetViewports(viewports, false);
+            _pipeline.SetImage(0, destinationTexture);
+            _pipeline.DispatchCompute(dispatchX, dispatchY, 1);
+            _pipeline.ComputeBarrier();
+
+            _pipeline.Finish();
+
+            _renderer.BufferManager.Delete(bufferHandle);
+            _renderer.BufferManager.Delete(sharpeningBufferHandle);
+        }
+    }
+}

Ryujinx.Graphics.Vulkan/Effects/FxaaPostProcessingEffect.cs

@@ -0,0 +1,127 @@
+using Ryujinx.Common;
+using Ryujinx.Graphics.GAL;
+using Ryujinx.Graphics.Shader;
+using Ryujinx.Graphics.Shader.Translation;
+using Silk.NET.Vulkan;
+using System;
+
+namespace Ryujinx.Graphics.Vulkan.Effects
+{
+    internal partial class FxaaPostProcessingEffect : IPostProcessingEffect
+    {
+        private readonly VulkanRenderer _renderer;
+        private ISampler _samplerLinear;
+        private ShaderCollection _shaderProgram;
+
+        private PipelineHelperShader _pipeline;
+        private TextureView _texture;
+
+        public FxaaPostProcessingEffect(VulkanRenderer renderer, Device device)
+        {
+            _renderer = renderer;
+            _pipeline = new PipelineHelperShader(renderer, device);
+
+            Initialize();
+        }
+
+        public void Dispose()
+        {
+            _shaderProgram.Dispose();
+            _pipeline.Dispose();
+            _samplerLinear.Dispose();
+            _texture?.Dispose();
+        }
+
+        private void Initialize()
+        {
+            _pipeline.Initialize();
+
+            var shader = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Shaders/Fxaa.spv");
+
+            var computeBindings = new ShaderBindings(
+                new[] { 2 },
+                Array.Empty<int>(),
+                new[] { 1 },
+                new[] { 0 });
+
+            _samplerLinear = _renderer.CreateSampler(GAL.SamplerCreateInfo.Create(MinFilter.Linear, MagFilter.Linear));
+
+            _shaderProgram = _renderer.CreateProgramWithMinimalLayout(new[]
+            {
+                new ShaderSource(shader, computeBindings, ShaderStage.Compute, TargetLanguage.Spirv)
+            });
+        }
+
+        public TextureView Run(TextureView view, CommandBufferScoped cbs, int width, int height)
+        {
+            if (_texture == null || _texture.Width != view.Width || _texture.Height != view.Height)
+            {
+                _texture?.Dispose();
+
+                var info = view.Info;
+
+                if (view.Info.Format.IsBgr())
+                {
+                    info = new TextureCreateInfo(info.Width,
+                        info.Height,
+                        info.Depth,
+                        info.Levels,
+                        info.Samples,
+                        info.BlockWidth,
+                        info.BlockHeight,
+                        info.BytesPerPixel,
+                        info.Format,
+                        info.DepthStencilMode,
+                        info.Target,
+                        info.SwizzleB,
+                        info.SwizzleG,
+                        info.SwizzleR,
+                        info.SwizzleA);
+                }
+                _texture = _renderer.CreateTexture(info, view.ScaleFactor) as TextureView;
+            }
+
+            _pipeline.SetCommandBuffer(cbs);
+            _pipeline.SetProgram(_shaderProgram);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 1, view, _samplerLinear);
+
+            ReadOnlySpan<float> resolutionBuffer = stackalloc float[] { view.Width, view.Height };
+            int rangeSize = resolutionBuffer.Length * sizeof(float);
+            var bufferHandle = _renderer.BufferManager.CreateWithHandle(_renderer, rangeSize, false);
+
+            _renderer.BufferManager.SetData(bufferHandle, 0, resolutionBuffer);
+
+            var bufferRanges = new BufferRange(bufferHandle, 0, rangeSize);
+            _pipeline.SetUniformBuffers(stackalloc[] { new BufferAssignment(2, bufferRanges) });
+
+            Span<GAL.Viewport> viewports = stackalloc GAL.Viewport[1];
+
+            viewports[0] = new GAL.Viewport(
+                new Rectangle<float>(0, 0, view.Width, view.Height),
+                ViewportSwizzle.PositiveX,
+                ViewportSwizzle.PositiveY,
+                ViewportSwizzle.PositiveZ,
+                ViewportSwizzle.PositiveW,
+                0f,
+                1f);
+
+            Span<Rectangle<int>> scissors = stackalloc Rectangle<int>[1];
+
+            var dispatchX = BitUtils.DivRoundUp(view.Width, IPostProcessingEffect.LocalGroupSize);
+            var dispatchY = BitUtils.DivRoundUp(view.Height, IPostProcessingEffect.LocalGroupSize);
+
+            _pipeline.SetScissors(stackalloc[] { new Rectangle<int>(0, 0, view.Width, view.Height) });
+            _pipeline.SetViewports(viewports, false);
+
+            _pipeline.SetImage(0, _texture, GAL.Format.R8G8B8A8Unorm);
+            _pipeline.DispatchCompute(dispatchX, dispatchY, 1);
+
+            _renderer.BufferManager.Delete(bufferHandle);
+            _pipeline.ComputeBarrier();
+
+            _pipeline.Finish();
+
+            return _texture;
+        }
+    }
+}

Ryujinx.Graphics.Vulkan/Effects/IPostProcessingEffect.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Ryujinx.Graphics.Vulkan.Effects
+{
+    internal interface IPostProcessingEffect : IDisposable
+    {
+        const int LocalGroupSize = 64;
+        TextureView Run(TextureView view, CommandBufferScoped cbs, int width, int height);
+    }
+}

Ryujinx.Graphics.Vulkan/Effects/IScalingFilter.cs

@@ -0,0 +1,20 @@
+using Silk.NET.Vulkan;
+using System;
+using Extent2D = Ryujinx.Graphics.GAL.Extents2D;
+
+namespace Ryujinx.Graphics.Vulkan.Effects
+{
+    internal interface IScalingFilter : IDisposable
+    {
+        float Level { get; set; }
+        void Run(
+            TextureView view,
+            CommandBufferScoped cbs,
+            Auto<DisposableImageView> destinationTexture,
+            Format format,
+            int width,
+            int height,
+            Extent2D source,
+            Extent2D destination);
+    }
+}

Ryujinx.Graphics.Vulkan/Effects/SmaaConstants.cs

@@ -0,0 +1,15 @@
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Graphics.Vulkan.Effects
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    internal struct SmaaConstants
+    {
+        public int QualityLow;
+        public int QualityMedium;
+        public int QualityHigh;
+        public int QualityUltra;
+        public float Width;
+        public float Height;
+    }
+}

Ryujinx.Graphics.Vulkan/Effects/SmaaPostProcessingEffect.cs

@@ -0,0 +1,314 @@
+using Ryujinx.Common;
+using Ryujinx.Graphics.GAL;
+using Ryujinx.Graphics.Shader;
+using Ryujinx.Graphics.Shader.Translation;
+using Silk.NET.Vulkan;
+using System;
+using Format = Ryujinx.Graphics.GAL.Format;
+
+namespace Ryujinx.Graphics.Vulkan.Effects
+{
+    internal partial class SmaaPostProcessingEffect : IPostProcessingEffect
+    {
+        public const int AreaWidth = 160;
+        public const int AreaHeight = 560;
+        public const int SearchWidth = 64;
+        public const int SearchHeight = 16;
+
+        private readonly VulkanRenderer _renderer;
+        private ISampler _samplerLinear;
+        private SmaaConstants _specConstants;
+        private ShaderCollection _edgeProgram;
+        private ShaderCollection _blendProgram;
+        private ShaderCollection _neighbourProgram;
+
+        private PipelineHelperShader _pipeline;
+
+        private TextureView _outputTexture;
+        private TextureView _edgeOutputTexture;
+        private TextureView _blendOutputTexture;
+        private TextureView _areaTexture;
+        private TextureView _searchTexture;
+        private Device _device;
+        private bool _recreatePipelines;
+        private int _quality;
+
+        public SmaaPostProcessingEffect(VulkanRenderer renderer, Device device, int quality)
+        {
+            _device = device;
+            _renderer = renderer;
+            _quality = quality;
+
+            Initialize();
+        }
+
+        public int Quality
+        {
+            get => _quality;
+            set
+            {
+                _quality = value;
+
+                _recreatePipelines = true;
+            }
+        }
+
+        public void Dispose()
+        {
+            DeletePipelines();
+            _samplerLinear?.Dispose();
+            _outputTexture?.Dispose();
+            _edgeOutputTexture?.Dispose();
+            _blendOutputTexture?.Dispose();
+            _areaTexture?.Dispose();
+            _searchTexture?.Dispose();
+        }
+
+        private unsafe void RecreateShaders(int width, int height)
+        {
+            _recreatePipelines = false;
+
+            DeletePipelines();
+            _pipeline = new PipelineHelperShader(_renderer, _device);
+
+            _pipeline.Initialize();
+
+            var edgeShader = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Shaders/SmaaEdge.spv");
+            var blendShader = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Shaders/SmaaBlend.spv");
+            var neighbourShader = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Shaders/SmaaNeighbour.spv");
+
+            var edgeBindings = new ShaderBindings(
+                new[] { 2 },
+                Array.Empty<int>(),
+                new[] { 1 },
+                new[] { 0 });
+
+            var blendBindings = new ShaderBindings(
+                new[] { 2 },
+                Array.Empty<int>(),
+                new[] { 1, 3, 4 },
+                new[] { 0 });
+
+            var neighbourBindings = new ShaderBindings(
+                new[] { 2 },
+                Array.Empty<int>(),
+                new[] { 1, 3 },
+                new[] { 0 });
+
+            _samplerLinear = _renderer.CreateSampler(GAL.SamplerCreateInfo.Create(MinFilter.Linear, MagFilter.Linear));
+
+            _specConstants = new SmaaConstants()
+            {
+                Width = width,
+                Height = height,
+                QualityLow = Quality == 0 ? 1 : 0,
+                QualityMedium = Quality == 1 ? 1 : 0,
+                QualityHigh = Quality == 2 ? 1 : 0,
+                QualityUltra = Quality == 3 ? 1 : 0,
+            };
+
+            var specInfo = new SpecDescription(
+                (0, SpecConstType.Int32),
+                (1, SpecConstType.Int32),
+                (2, SpecConstType.Int32),
+                (3, SpecConstType.Int32),
+                (4, SpecConstType.Float32),
+                (5, SpecConstType.Float32));
+
+            _edgeProgram = _renderer.CreateProgramWithMinimalLayout(new[]
+            {
+                new ShaderSource(edgeShader, edgeBindings, ShaderStage.Compute, TargetLanguage.Spirv)
+            }, new[] { specInfo });
+
+            _blendProgram = _renderer.CreateProgramWithMinimalLayout(new[]
+            {
+                new ShaderSource(blendShader, blendBindings, ShaderStage.Compute, TargetLanguage.Spirv)
+            }, new[] { specInfo });
+
+            _neighbourProgram = _renderer.CreateProgramWithMinimalLayout(new[]
+            {
+                new ShaderSource(neighbourShader, neighbourBindings, ShaderStage.Compute, TargetLanguage.Spirv)
+            }, new[] { specInfo });
+        }
+
+        public void DeletePipelines()
+        {
+            _pipeline?.Dispose();
+            _edgeProgram?.Dispose();
+            _blendProgram?.Dispose();
+            _neighbourProgram?.Dispose();
+        }
+
+        private void Initialize()
+        {
+            var areaInfo = new TextureCreateInfo(AreaWidth,
+                AreaHeight,
+                1,
+                1,
+                1,
+                1,
+                1,
+                1,
+                Format.R8G8Unorm,
+                DepthStencilMode.Depth,
+                Target.Texture2D,
+                SwizzleComponent.Red,
+                SwizzleComponent.Green,
+                SwizzleComponent.Blue,
+                SwizzleComponent.Alpha);
+
+            var searchInfo = new TextureCreateInfo(SearchWidth,
+                SearchHeight,
+                1,
+                1,
+                1,
+                1,
+                1,
+                1,
+                Format.R8Unorm,
+                DepthStencilMode.Depth,
+                Target.Texture2D,
+                SwizzleComponent.Red,
+                SwizzleComponent.Green,
+                SwizzleComponent.Blue,
+                SwizzleComponent.Alpha);
+
+            var areaTexture = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Textures/SmaaAreaTexture.bin");
+            var searchTexture = EmbeddedResources.Read("Ryujinx.Graphics.Vulkan/Effects/Textures/SmaaSearchTexture.bin");
+
+            _areaTexture = _renderer.CreateTexture(areaInfo, 1) as TextureView;
+            _searchTexture = _renderer.CreateTexture(searchInfo, 1) as TextureView;
+
+            _areaTexture.SetData(areaTexture);
+            _searchTexture.SetData(searchTexture);
+        }
+
+        public TextureView Run(TextureView view, CommandBufferScoped cbs, int width, int height)
+        {
+            if (_recreatePipelines || _outputTexture == null || _outputTexture.Info.Width != view.Width || _outputTexture.Info.Height != view.Height)
+            {
+                RecreateShaders(view.Width, view.Height);
+                _outputTexture?.Dispose();
+                _edgeOutputTexture?.Dispose();
+                _blendOutputTexture?.Dispose();
+
+                var info = view.Info;
+
+                if (view.Info.Format.IsBgr())
+                {
+                    info = new TextureCreateInfo(info.Width,
+                        info.Height,
+                        info.Depth,
+                        info.Levels,
+                        info.Samples,
+                        info.BlockWidth,
+                        info.BlockHeight,
+                        info.BytesPerPixel,
+                        info.Format,
+                        info.DepthStencilMode,
+                        info.Target,
+                        info.SwizzleB,
+                        info.SwizzleG,
+                        info.SwizzleR,
+                        info.SwizzleA);
+                }
+
+                _outputTexture = _renderer.CreateTexture(info, view.ScaleFactor) as TextureView;
+                _edgeOutputTexture = _renderer.CreateTexture(info, view.ScaleFactor) as TextureView;
+                _blendOutputTexture = _renderer.CreateTexture(info, view.ScaleFactor) as TextureView;
+            }
+
+            Span<GAL.Viewport> viewports = stackalloc GAL.Viewport[1];
+
+            viewports[0] = new GAL.Viewport(
+                new Rectangle<float>(0, 0, view.Width, view.Height),
+                ViewportSwizzle.PositiveX,
+                ViewportSwizzle.PositiveY,
+                ViewportSwizzle.PositiveZ,
+                ViewportSwizzle.PositiveW,
+                0f,
+                1f);
+
+            Span<Rectangle<int>> scissors = stackalloc Rectangle<int>[1];
+
+            scissors[0] = new Rectangle<int>(0, 0, view.Width, view.Height);
+
+            _renderer.HelperShader.Clear(_renderer,
+                _edgeOutputTexture.GetImageView(),
+                new float[] { 0, 0, 0, 1 },
+                (uint)(ColorComponentFlags.RBit | ColorComponentFlags.GBit | ColorComponentFlags.BBit | ColorComponentFlags.ABit),
+                view.Width,
+                view.Height,
+                _edgeOutputTexture.VkFormat,
+                ComponentType.UnsignedInteger,
+                scissors[0]);
+
+            _renderer.HelperShader.Clear(_renderer,
+                _blendOutputTexture.GetImageView(),
+                new float[] { 0, 0, 0, 1 },
+                (uint)(ColorComponentFlags.RBit | ColorComponentFlags.GBit | ColorComponentFlags.BBit | ColorComponentFlags.ABit),
+                view.Width,
+                view.Height,
+                _blendOutputTexture.VkFormat,
+                ComponentType.UnsignedInteger,
+                scissors[0]);
+
+            _renderer.Pipeline.TextureBarrier();
+
+            var dispatchX = BitUtils.DivRoundUp(view.Width, IPostProcessingEffect.LocalGroupSize);
+            var dispatchY = BitUtils.DivRoundUp(view.Height, IPostProcessingEffect.LocalGroupSize);
+
+            // Edge pass
+            _pipeline.SetCommandBuffer(cbs);
+            _pipeline.SetProgram(_edgeProgram);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 1, view, _samplerLinear);
+            _pipeline.Specialize(_specConstants);
+
+            ReadOnlySpan<float> resolutionBuffer = stackalloc float[] { view.Width, view.Height };
+            int rangeSize = resolutionBuffer.Length * sizeof(float);
+            var bufferHandle = _renderer.BufferManager.CreateWithHandle(_renderer, rangeSize, false);
+
+            _renderer.BufferManager.SetData(bufferHandle, 0, resolutionBuffer);
+            var bufferRanges = new BufferRange(bufferHandle, 0, rangeSize);
+            _pipeline.SetUniformBuffers(stackalloc[] { new BufferAssignment(2, bufferRanges) });
+            _pipeline.SetScissors(scissors);
+            _pipeline.SetViewports(viewports, false);
+            _pipeline.SetImage(0, _edgeOutputTexture, GAL.Format.R8G8B8A8Unorm);
+            _pipeline.DispatchCompute(dispatchX, dispatchY, 1);
+            _pipeline.ComputeBarrier();
+
+            // Blend pass
+            _pipeline.SetCommandBuffer(cbs);
+            _pipeline.SetProgram(_blendProgram);
+            _pipeline.Specialize(_specConstants);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 1, _edgeOutputTexture, _samplerLinear);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 3, _areaTexture, _samplerLinear);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 4, _searchTexture, _samplerLinear);
+            _pipeline.SetUniformBuffers(stackalloc[] { new BufferAssignment(2, bufferRanges) });
+            _pipeline.SetScissors(scissors);
+            _pipeline.SetViewports(viewports, false);
+            _pipeline.SetImage(0, _blendOutputTexture, GAL.Format.R8G8B8A8Unorm);
+            _pipeline.DispatchCompute(dispatchX, dispatchY, 1);
+            _pipeline.ComputeBarrier();
+
+            // Neighbour pass
+            _pipeline.SetCommandBuffer(cbs);
+            _pipeline.SetProgram(_neighbourProgram);
+            _pipeline.Specialize(_specConstants);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 3, _blendOutputTexture, _samplerLinear);
+            _pipeline.SetTextureAndSampler(ShaderStage.Compute, 1, view, _samplerLinear);
+            _pipeline.SetUniformBuffers(stackalloc[] { new BufferAssignment(2, bufferRanges) });
+            _pipeline.SetScissors(scissors);
+            _pipeline.SetViewports(viewports, false);
+            _pipeline.SetImage(0, _outputTexture, GAL.Format.R8G8B8A8Unorm);
+            _pipeline.DispatchCompute(dispatchX, dispatchY, 1);
+            _pipeline.ComputeBarrier();
+
+            _pipeline.Finish();
+
+            _renderer.BufferManager.Delete(bufferHandle);
+
+            return _outputTexture;
+        }
+    }
+}

Ryujinx.Graphics.Vulkan/NativeArray.cs

@@ -38,8 +38,11 @@ namespace Ryujinx.Graphics.Vulkan
 
         public void Dispose()
         {
-            Marshal.FreeHGlobal((IntPtr)Pointer);
-            Pointer = null;
+            if (Pointer != null)
+            {
+                Marshal.FreeHGlobal((IntPtr)Pointer);
+                Pointer = null;
+            }
         }
     }
 }

Ryujinx.Graphics.Vulkan/PipelineBase.cs

@@ -150,6 +150,28 @@ namespace Ryujinx.Graphics.Vulkan
                 null);
         }
 
+        public void ComputeBarrier()
+        {
+            MemoryBarrier memoryBarrier = new MemoryBarrier()
+            {
+                SType = StructureType.MemoryBarrier,
+                SrcAccessMask = AccessFlags.MemoryReadBit | AccessFlags.MemoryWriteBit,
+                DstAccessMask = AccessFlags.MemoryReadBit | AccessFlags.MemoryWriteBit
+            };
+
+            Gd.Api.CmdPipelineBarrier(
+                CommandBuffer,
+                PipelineStageFlags.ComputeShaderBit,
+                PipelineStageFlags.AllCommandsBit,
+                0,
+                1,
+                new ReadOnlySpan<MemoryBarrier>(memoryBarrier),
+                0,
+                ReadOnlySpan<BufferMemoryBarrier>.Empty,
+                0,
+                ReadOnlySpan<ImageMemoryBarrier>.Empty);
+        }
+
         public void BeginTransformFeedback(GAL.PrimitiveTopology topology)
         {
             _tfEnabled = true;
@@ -803,6 +825,11 @@ namespace Ryujinx.Graphics.Vulkan
             _descriptorSetUpdater.SetImage(binding, image, imageFormat);
         }
 
+        public void SetImage(int binding, Auto<DisposableImageView> image)
+        {
+            _descriptorSetUpdater.SetImage(binding, image);
+        }
+
         public void SetIndexBuffer(BufferRange buffer, GAL.IndexType type)
         {
             if (buffer.Handle != BufferHandle.Null)

Ryujinx.Graphics.Vulkan/Ryujinx.Graphics.Vulkan.csproj

@@ -12,6 +12,17 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
+  <ItemGroup>
+    <EmbeddedResource Include="Effects\Textures\SmaaAreaTexture.bin" />
+    <EmbeddedResource Include="Effects\Textures\SmaaSearchTexture.bin" />
+    <EmbeddedResource Include="Effects\Shaders\FsrScaling.spv" />
+    <EmbeddedResource Include="Effects\Shaders\FsrSharpening.spv" />
+    <EmbeddedResource Include="Effects\Shaders\Fxaa.spv" />
+    <EmbeddedResource Include="Effects\Shaders\SmaaBlend.spv" />
+    <EmbeddedResource Include="Effects\Shaders\SmaaEdge.spv" />
+    <EmbeddedResource Include="Effects\Shaders\SmaaNeighbour.spv" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="OpenTK.Windowing.GraphicsLibraryFramework" />
     <PackageReference Include="shaderc.net" />

Ryujinx.Graphics.Vulkan/Window.cs

@@ -1,4 +1,5 @@
 using Ryujinx.Graphics.GAL;
+using Ryujinx.Graphics.Vulkan.Effects;
 using Silk.NET.Vulkan;
 using Silk.NET.Vulkan.Extensions.KHR;
 using System;
@@ -29,6 +30,14 @@ namespace Ryujinx.Graphics.Vulkan
         private bool _vsyncEnabled;
         private bool _vsyncModeChanged;
         private VkFormat _format;
+        private AntiAliasing _currentAntiAliasing;
+        private bool _updateEffect;
+        private IPostProcessingEffect _effect;
+        private IScalingFilter _scalingFilter;
+        private bool _isLinear;
+        private float _scalingFilterLevel;
+        private bool _updateScalingFilter;
+        private ScalingFilter _currentScalingFilter;
 
         public unsafe Window(VulkanRenderer gd, SurfaceKHR surface, PhysicalDevice physicalDevice, Device device)
         {
@@ -116,7 +125,7 @@ namespace Ryujinx.Graphics.Vulkan
                 ImageFormat = surfaceFormat.Format,
                 ImageColorSpace = surfaceFormat.ColorSpace,
                 ImageExtent = extent,
-                ImageUsage = ImageUsageFlags.ColorAttachmentBit | ImageUsageFlags.TransferDstBit,
+                ImageUsage = ImageUsageFlags.ColorAttachmentBit | ImageUsageFlags.TransferDstBit | ImageUsageFlags.StorageBit,
                 ImageSharingMode = SharingMode.Exclusive,
                 ImageArrayLayers = 1,
                 PreTransform = capabilities.CurrentTransform,
@@ -280,6 +289,13 @@ namespace Ryujinx.Graphics.Vulkan
 
             var view = (TextureView)texture;
 
+            UpdateEffect();
+
+            if (_effect != null)
+            {
+                view = _effect.Run(view, cbs, _width, _height);
+            }
+
             int srcX0, srcX1, srcY0, srcY1;
             float scale = view.ScaleFactor;
 
@@ -315,6 +331,18 @@ namespace Ryujinx.Graphics.Vulkan
 
             if (ScreenCaptureRequested)
             {
+                if (_effect != null)
+                {
+                    _gd.CommandBufferPool.Return(
+                        cbs,
+                        null,
+                        stackalloc[] { PipelineStageFlags.ColorAttachmentOutputBit },
+                        null);
+                    _gd.FlushAllCommands();
+                    cbs.GetFence().Wait();
+                    cbs = _gd.CommandBufferPool.Rent();
+                }
+
                 CaptureFrame(view, srcX0, srcY0, srcX1 - srcX0, srcY1 - srcY0, view.Info.Format.IsBgr(), crop.FlipX, crop.FlipY);
 
                 ScreenCaptureRequested = false;
@@ -335,20 +363,36 @@ namespace Ryujinx.Graphics.Vulkan
             int dstY0 = crop.FlipY ? dstPaddingY : _height - dstPaddingY;
             int dstY1 = crop.FlipY ? _height - dstPaddingY : dstPaddingY;
 
-            _gd.HelperShader.BlitColor(
-                _gd,
-                cbs,
-                view,
-                _swapchainImageViews[nextImage],
-                _width,
-                _height,
-                1,
-                _format,
-                false,
-                new Extents2D(srcX0, srcY0, srcX1, srcY1),
-                new Extents2D(dstX0, dstY1, dstX1, dstY0),
-                true,
-                true);
+            if (_scalingFilter != null)
+            {
+                _scalingFilter.Run(
+                    view,
+                    cbs,
+                    _swapchainImageViews[nextImage],
+                    _format,
+                    _width,
+                    _height,
+                    new Extents2D(srcX0, srcY0, srcX1, srcY1),
+                    new Extents2D(dstX0, dstY0, dstX1, dstY1)
+                    );
+            }
+            else
+            {
+                _gd.HelperShader.BlitColor(
+                    _gd,
+                    cbs,
+                    view,
+                    _swapchainImageViews[nextImage],
+                    _width,
+                    _height,
+                    1,
+                    _format,
+                    false,
+                    new Extents2D(srcX0, srcY0, srcX1, srcY1),
+                    new Extents2D(dstX0, dstY1, dstX1, dstY0),
+                    _isLinear,
+                    true);
+            }
 
             Transition(
                 cbs.CommandBuffer,
@@ -387,6 +431,95 @@ namespace Ryujinx.Graphics.Vulkan
             }
         }
 
+        public override void SetAntiAliasing(AntiAliasing effect)
+        {
+            if (_currentAntiAliasing == effect && _effect != null)
+            {
+                return;
+            }
+
+            _currentAntiAliasing = effect;
+
+            _updateEffect = true;
+        }
+
+        public override void SetScalingFilter(ScalingFilter type)
+        {
+            if (_currentScalingFilter == type && _effect != null)
+            {
+                return;
+            }
+
+            _currentScalingFilter = type;
+
+            _updateScalingFilter = true;
+        }
+
+        private void UpdateEffect()
+        {
+            if (_updateEffect)
+            {
+                _updateEffect = false;
+
+                switch (_currentAntiAliasing)
+                {
+                    case AntiAliasing.Fxaa:
+                        _effect?.Dispose();
+                        _effect = new FxaaPostProcessingEffect(_gd, _device);
+                        break;
+                    case AntiAliasing.None:
+                        _effect?.Dispose();
+                        _effect = null;
+                        break;
+                    case AntiAliasing.SmaaLow:
+                    case AntiAliasing.SmaaMedium:
+                    case AntiAliasing.SmaaHigh:
+                    case AntiAliasing.SmaaUltra:
+                        var quality = _currentAntiAliasing - AntiAliasing.SmaaLow;
+                        if (_effect is SmaaPostProcessingEffect smaa)
+                        {
+                            smaa.Quality = quality;
+                        }
+                        else
+                        {
+                            _effect?.Dispose();
+                            _effect = new SmaaPostProcessingEffect(_gd, _device, quality);
+                        }
+                        break;
+                }
+            }
+
+            if (_updateScalingFilter)
+            {
+                _updateScalingFilter = false;
+
+                switch (_currentScalingFilter)
+                {
+                    case ScalingFilter.Bilinear:
+                    case ScalingFilter.Nearest:
+                        _scalingFilter?.Dispose();
+                        _scalingFilter = null;
+                        _isLinear = _currentScalingFilter == ScalingFilter.Bilinear;
+                        break;
+                    case ScalingFilter.Fsr:
+                        if (_scalingFilter is not FsrScalingFilter)
+                        {
+                            _scalingFilter?.Dispose();
+                            _scalingFilter = new FsrScalingFilter(_gd, _device);
+                        }
+
+                        _scalingFilter.Level = _scalingFilterLevel;
+                        break;
+                }
+            }
+        }
+
+        public override void SetScalingFilterLevel(float level)
+        {
+            _scalingFilterLevel = level;
+            _updateScalingFilter = true;
+        }
+
         private unsafe void Transition(
             CommandBuffer commandBuffer,
             Image image,
@@ -456,8 +589,10 @@ namespace Ryujinx.Graphics.Vulkan
                     }
 
                     _gd.SwapchainApi.DestroySwapchain(_device, _swapchain, null);
-
                 }
+
+                _effect?.Dispose();
+                _scalingFilter?.Dispose();
             }
         }
 

Ryujinx.Graphics.Vulkan/WindowBase.cs

@@ -11,5 +11,8 @@ namespace Ryujinx.Graphics.Vulkan
         public abstract void Present(ITexture texture, ImageCrop crop, Action swapBuffersCallback);
         public abstract void SetSize(int width, int height);
         public abstract void ChangeVSyncMode(bool vsyncEnabled);
+        public abstract void SetAntiAliasing(AntiAliasing effect);
+        public abstract void SetScalingFilter(ScalingFilter scalerType);
+        public abstract void SetScalingFilterLevel(float scale);
     }
 }