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

4 files changed, 148 insertions, 0 deletions

diff --git a/Ryujinx.Ava/AppHost.cs b/Ryujinx.Ava/AppHost.cs
index 242c84e7..eb22b39e 100644
--- a/Ryujinx.Ava/AppHost.cs
+++ b/Ryujinx.Ava/AppHost.cs
@@ -171,6 +171,11 @@ namespace Ryujinx.Ava
             ConfigurationState.Instance.Graphics.AspectRatio.Event         += UpdateAspectRatioState;
             ConfigurationState.Instance.System.EnableDockedMode.Event      += UpdateDockedModeState;
             ConfigurationState.Instance.System.AudioVolume.Event           += UpdateAudioVolumeState;
+            ConfigurationState.Instance.System.EnableDockedMode.Event      += UpdateDockedModeState;
+            ConfigurationState.Instance.System.AudioVolume.Event           += UpdateAudioVolumeState;
+            ConfigurationState.Instance.Graphics.AntiAliasing.Event        += UpdateAntiAliasing;
+            ConfigurationState.Instance.Graphics.ScalingFilter.Event       += UpdateScalingFilter;
+            ConfigurationState.Instance.Graphics.ScalingFilterLevel.Event  += UpdateScalingFilterLevel;
 
             _gpuCancellationTokenSource = new CancellationTokenSource();
         }
@@ -193,6 +198,17 @@ namespace Ryujinx.Ava
                 }
             }
         }
+        private void UpdateScalingFilterLevel(object sender, ReactiveEventArgs<int> e)
+        {
+            _renderer.Window?.SetScalingFilter((Graphics.GAL.ScalingFilter)ConfigurationState.Instance.Graphics.ScalingFilter.Value);
+            _renderer.Window?.SetScalingFilterLevel(ConfigurationState.Instance.Graphics.ScalingFilterLevel.Value);
+        }
+
+        private void UpdateScalingFilter(object sender, ReactiveEventArgs<Ryujinx.Common.Configuration.ScalingFilter> e)
+        {
+            _renderer.Window?.SetScalingFilter((Graphics.GAL.ScalingFilter)ConfigurationState.Instance.Graphics.ScalingFilter.Value);
+            _renderer.Window?.SetScalingFilterLevel(ConfigurationState.Instance.Graphics.ScalingFilterLevel.Value);
+        }
 
         private void ShowCursor()
         {
@@ -345,6 +361,11 @@ namespace Ryujinx.Ava
             }
         }
 
+        private void UpdateAntiAliasing(object sender, ReactiveEventArgs<Ryujinx.Common.Configuration.AntiAliasing> e)
+        {
+            _renderer?.Window?.SetAntiAliasing((Graphics.GAL.AntiAliasing)e.NewValue);
+        }
+
         private void UpdateDockedModeState(object sender, ReactiveEventArgs<bool> e)
         {
             Device?.System.ChangeDockedModeState(e.NewValue);
@@ -411,6 +432,9 @@ namespace Ryujinx.Ava
             ConfigurationState.Instance.Graphics.AspectRatio.Event         -= UpdateAspectRatioState;
             ConfigurationState.Instance.System.EnableDockedMode.Event      -= UpdateDockedModeState;
             ConfigurationState.Instance.System.AudioVolume.Event           -= UpdateAudioVolumeState;
+            ConfigurationState.Instance.Graphics.ScalingFilter.Event       -= UpdateScalingFilter;
+            ConfigurationState.Instance.Graphics.ScalingFilterLevel.Event  -= UpdateScalingFilterLevel;
+            ConfigurationState.Instance.Graphics.AntiAliasing.Event        -= UpdateAntiAliasing;
 
             _topLevel.PointerMoved -= TopLevel_PointerMoved;
 
@@ -788,6 +812,10 @@ namespace Ryujinx.Ava
 
             Device.Gpu.Renderer.Initialize(_glLogLevel);
 
+            _renderer?.Window?.SetAntiAliasing((Graphics.GAL.AntiAliasing)ConfigurationState.Instance.Graphics.AntiAliasing.Value);
+            _renderer?.Window?.SetScalingFilter((Graphics.GAL.ScalingFilter)ConfigurationState.Instance.Graphics.ScalingFilter.Value);
+            _renderer?.Window?.SetScalingFilterLevel(ConfigurationState.Instance.Graphics.ScalingFilterLevel.Value);
+
             Width = (int)_rendererHost.Bounds.Width;
             Height = (int)_rendererHost.Bounds.Height;
 
diff --git a/Ryujinx.Ava/Assets/Locales/en_US.json b/Ryujinx.Ava/Assets/Locales/en_US.json
index b7d1e02b..db8d2424 100644
--- a/Ryujinx.Ava/Assets/Locales/en_US.json
+++ b/Ryujinx.Ava/Assets/Locales/en_US.json
@@ -626,6 +626,16 @@
   "Recover": "Recover",
   "UserProfilesRecoverHeading" : "Saves were found for the following accounts",
   "UserProfilesRecoverEmptyList": "No profiles to recover",
+  "GraphicsAATooltip": "Applies anti-aliasing to the game render",
+  "GraphicsAALabel": "Anti-Aliasing:",
+  "GraphicsScalingFilterLabel": "Scaling Filter:",
+  "GraphicsScalingFilterTooltip": "Enables Framebuffer Scaling",
+  "GraphicsScalingFilterLevelLabel": "Level",
+  "GraphicsScalingFilterLevelTooltip": "Set Scaling Filter Level",
+  "SmaaLow": "SMAA Low",
+  "SmaaMedium": "SMAA Medium",
+  "SmaaHigh": "SMAA High",
+  "SmaaUltra": "SMAA Ultra",
   "UserEditorTitle" : "Edit User",
   "UserEditorTitleCreate" : "Create User"
 }
diff --git a/Ryujinx.Ava/UI/ViewModels/SettingsViewModel.cs b/Ryujinx.Ava/UI/ViewModels/SettingsViewModel.cs
index 36b37b0f..7045c9ed 100644
--- a/Ryujinx.Ava/UI/ViewModels/SettingsViewModel.cs
+++ b/Ryujinx.Ava/UI/ViewModels/SettingsViewModel.cs
@@ -45,6 +45,8 @@ namespace Ryujinx.Ava.UI.ViewModels
         private KeyboardHotkeys _keyboardHotkeys;
         private int _graphicsBackendIndex;
         private string _customThemePath;
+        private int _scalingFilter;
+        private int _scalingFilterLevel;
 
         public event Action CloseWindow;
         public event Action SaveSettingsEvent;
@@ -153,6 +155,8 @@ namespace Ryujinx.Ava.UI.ViewModels
         public bool IsSDL2Enabled { get; set; }
         public bool EnableCustomTheme { get; set; }
         public bool IsCustomResolutionScaleActive => _resolutionScale == 4;
+        public bool IsScalingFilterActive => _scalingFilter == (int)Ryujinx.Common.Configuration.ScalingFilter.Fsr;
+
         public bool IsVulkanSelected => GraphicsBackendIndex == 0;
         public bool UseHypervisor { get; set; }
 
@@ -179,6 +183,18 @@ namespace Ryujinx.Ava.UI.ViewModels
         public int AudioBackend { get; set; }
         public int MaxAnisotropy { get; set; }
         public int AspectRatio { get; set; }
+        public int AntiAliasingEffect { get; set; }
+        public string ScalingFilterLevelText => ScalingFilterLevel.ToString("0");
+        public int ScalingFilterLevel
+        {
+            get => _scalingFilterLevel;
+            set
+            {
+                _scalingFilterLevel = value;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(ScalingFilterLevelText));
+            }
+        }
         public int OpenglDebugLevel { get; set; }
         public int MemoryMode { get; set; }
         public int BaseStyleIndex { get; set; }
@@ -192,6 +208,16 @@ namespace Ryujinx.Ava.UI.ViewModels
                 OnPropertyChanged(nameof(IsVulkanSelected));
             }
         }
+        public int ScalingFilter
+        {
+            get => _scalingFilter;
+            set
+            {
+                _scalingFilter = value;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(IsScalingFilterActive));
+            }
+        }
 
         public int PreferredGpuIndex { get; set; }
 
@@ -365,6 +391,9 @@ namespace Ryujinx.Ava.UI.ViewModels
             AspectRatio = (int)config.Graphics.AspectRatio.Value;
             GraphicsBackendMultithreadingIndex = (int)config.Graphics.BackendThreading.Value;
             ShaderDumpPath = config.Graphics.ShadersDumpPath;
+            AntiAliasingEffect = (int)config.Graphics.AntiAliasing.Value;
+            ScalingFilter = (int)config.Graphics.ScalingFilter.Value;
+            ScalingFilterLevel = config.Graphics.ScalingFilterLevel.Value;
 
             // Audio
             AudioBackend = (int)config.System.AudioBackend.Value;
@@ -447,6 +476,9 @@ namespace Ryujinx.Ava.UI.ViewModels
             config.Graphics.ResScaleCustom.Value = CustomResolutionScale;
             config.Graphics.MaxAnisotropy.Value = MaxAnisotropy == 0 ? -1 : MathF.Pow(2, MaxAnisotropy);
             config.Graphics.AspectRatio.Value = (AspectRatio)AspectRatio;
+            config.Graphics.AntiAliasing.Value = (AntiAliasing)AntiAliasingEffect;
+            config.Graphics.ScalingFilter.Value = (ScalingFilter)ScalingFilter;
+            config.Graphics.ScalingFilterLevel.Value = ScalingFilterLevel;
 
             if (ConfigurationState.Instance.Graphics.BackendThreading != (BackendThreading)GraphicsBackendMultithreadingIndex)
             {
diff --git a/Ryujinx.Ava/UI/Views/Settings/SettingsGraphicsView.axaml b/Ryujinx.Ava/UI/Views/Settings/SettingsGraphicsView.axaml
index fb30fb7f..8e4122f3 100644
--- a/Ryujinx.Ava/UI/Views/Settings/SettingsGraphicsView.axaml
+++ b/Ryujinx.Ava/UI/Views/Settings/SettingsGraphicsView.axaml
@@ -7,6 +7,7 @@
     xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
     xmlns:locale="clr-namespace:Ryujinx.Ava.Common.Locale"
     xmlns:viewModels="clr-namespace:Ryujinx.Ava.UI.ViewModels"
+    Design.Width="1000"
     mc:Ignorable="d"
     x:CompileBindings="True"
     x:DataType="viewModels:SettingsViewModel">
@@ -111,6 +112,83 @@
                             Minimum="0.1"
                             Value="{Binding CustomResolutionScale}" />
                     </StackPanel>
+                    <StackPanel
+                        HorizontalAlignment="Stretch"
+                        Orientation="Vertical"
+                        Spacing="10">
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock VerticalAlignment="Center"
+                                       ToolTip.Tip="{locale:Locale GraphicsAATooltip}"
+                                       Text="{locale:Locale GraphicsAALabel}"
+                                       Width="250" />
+                            <ComboBox Width="350"
+                                      HorizontalContentAlignment="Left"
+                                      ToolTip.Tip="{locale:Locale GraphicsAATooltip}"
+                                      SelectedIndex="{Binding AntiAliasingEffect}">
+                                <ComboBoxItem>
+                                    <TextBlock Text="{locale:Locale SettingsTabLoggingGraphicsBackendLogLevelNone}" />
+                                </ComboBoxItem>
+                                <ComboBoxItem>
+                                    <TextBlock Text="FXAA" />
+                                </ComboBoxItem>
+                                <ComboBoxItem>
+                                    <TextBlock Text="{locale:Locale SmaaLow}" />
+                                </ComboBoxItem>
+                                <ComboBoxItem>
+                                    <TextBlock Text="{locale:Locale SmaaMedium}" />
+                                </ComboBoxItem>
+                                <ComboBoxItem>
+                                    <TextBlock Text="{locale:Locale SmaaHigh}" />
+                                </ComboBoxItem>
+                                <ComboBoxItem>
+                                    <TextBlock Text="{locale:Locale SmaaUltra}" />
+                                </ComboBoxItem>
+                            </ComboBox>
+                        </StackPanel>
+                    </StackPanel>
+                    <StackPanel
+                        HorizontalAlignment="Stretch"
+                        Orientation="Vertical"
+                        Spacing="10">
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock VerticalAlignment="Center"
+                                       ToolTip.Tip="{locale:Locale GraphicsScalingFilterTooltip}"
+                                       Text="{locale:Locale GraphicsScalingFilterLabel}"
+                                       Width="250" />
+                            <ComboBox Width="350"
+                                      HorizontalContentAlignment="Left"
+                                      ToolTip.Tip="{locale:Locale GraphicsScalingFilterTooltip}"
+                                      SelectedIndex="{Binding ScalingFilter}">
+                                <ComboBoxItem>
+                                    <TextBlock Text="Bilinear" />
+                                </ComboBoxItem>
+                                <ComboBoxItem>
+                                    <TextBlock Text="Nearest" />
+                                </ComboBoxItem>
+                                <ComboBoxItem>
+                                    <TextBlock Text="FSR" />
+                                </ComboBoxItem>
+                            </ComboBox>
+                            <Slider Value="{Binding ScalingFilterLevel}"
+                                    ToolTip.Tip="{locale:Locale GraphicsScalingFilterLevelTooltip}"
+                                    MinWidth="150"
+                                    Margin="10,-3,0,0"
+                                    Height="32"
+                                    Padding="0,-5"
+                                    IsVisible="{Binding IsScalingFilterActive}"
+                                    TickFrequency="1"
+                                    IsSnapToTickEnabled="True"
+                                    LargeChange="10"
+                                    SmallChange="1"
+                                    VerticalAlignment="Center"
+                                    Minimum="0"
+                                    Maximum="100" />
+                            <TextBlock Margin="5,0"
+                                       Width="40"
+                                       IsVisible="{Binding IsScalingFilterActive}"
+                                       Text="{Binding ScalingFilterLevelText}"/>
+                        </StackPanel>
+                    </StackPanel>
                     <StackPanel Orientation="Horizontal">
                         <TextBlock VerticalAlignment="Center"
                                    ToolTip.Tip="{locale:Locale AnisotropyTooltip}"