AutoHDR Sunshine Script Template (#6)

Migrates the HDR script over to the new Sunshine Script Installer template and adds a new behavior to fix IDDSampleDriver glitches.

.gitignore

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+Releases
+assets/*
+logs

Events.ps1

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+# Determine the path of the currently running script and set the working directory to that path
+param(
+    [Parameter(Position = 0, Mandatory = $true)]
+    [Alias("n")]
+    [string]$scriptName
+)
+$path = (Split-Path $MyInvocation.MyCommand.Path -Parent)
+Set-Location $path
+. .\Helpers.ps1 -n $scriptName
+
+# Load settings from a JSON file located in the same directory as the script
+$settings = Get-Settings
+
+# Initialize a script scoped dictionary to store variables.
+# This dictionary is used to pass parameters to functions that might not have direct access to script scope, like background jobs.
+if (-not $script:arguments) {
+    $script:arguments = @{}
+}
+
+
+$dllPath = "$($PWD.Path)\HDRController.dll".Replace("\", "\\")
+
+# Define the function signature
+Add-Type -TypeDefinition @"
+    using System.Runtime.InteropServices;
+
+    public static class HDRController {
+        [DllImport("$dllPath", EntryPoint = "GetGlobalHDRState")]
+        public static extern bool GetGlobalHDRState();
+
+
+        [DllImport("$dllPath", EntryPoint = "EnableGlobalHDRState")]
+        public static extern void EnableGlobalHDRState();
+
+        [DllImport("$dllPath", EntryPoint = "DisableGlobalHDRState")]
+        public static extern void DisableGlobalHDRState();
+    }
+"@
+
+
+# Function to execute at the start of a stream
+function OnStreamStart() {
+    $hostHDR = [HDRController]::GetGlobalHDRState()
+
+    $script:arguments.Add("hostHDR", $hostHDR)
+    $clientHdrState = $env:SUNSHINE_CLIENT_HDR
+    Write-Host "Current (Host) HDR State: $hostHDR"
+    Write-Host "Current (Client) HDR State: $clientHdrState"
+
+    if ($hostHDR -ne $clientHdrState) {
+        if ($clientHdrState) {
+            Write-Host "Enabling HDR"
+            [HDRController]::EnableGlobalHDRState()
+        }
+        else {
+            Write-Host "Turning off HDR"
+            [HDRController]::DisableGlobalHDRState()
+        }
+    }
+
+    if($settings.IDDSampleFix){
+        if([HDRController]::GetGlobalHDRState() -and $clientHdrState){
+            Write-Host "IDDSample Fix is enabled, now automating turning HDR off and on again."
+            [HDRController]::DisableGlobalHDRState()
+            [HDRController]::EnableGlobalHDRState()
+            Write-Host "HDR has been toggled successfully!"
+        }
+    }
+    elseif($hostHDR -eq $clientHdrState) {
+        Write-Host "Client already matches the host for HDR, no changes will be applied."
+    }
+}
+
+# Function to execute at the end of a stream. This function is called in a background job,
+# and hence doesn't have direct access to the script scope. $kwargs is passed explicitly to emulate script:arguments.
+function OnStreamEnd($kwargs) {
+
+    if ($kwargs["hostHDR"]) {
+        Write-Host "Enabling HDR"
+        [HDRController]::EnableGlobalHDRState()
+    }
+    else {
+        Write-Host "Turning off HDR"
+        [HDRController]::DisableGlobalHDRState()
+    }
+
+    return $true
+}