Add a command line flag to enable software rendering

Client/CommandLineOptions.cs

@@ -44,6 +44,7 @@ record OptionArg(string Name, Action<CommandLineOptions, string> Handle, bool St
 
  // Advanced options
  new OptionArg("--decoder", (x, v) => x.RequestedDecoderName = v),
+ new OptionNoArg("--software-render", (x) => x.SoftwareRendering = true),
 
  // Deprecated RTSP options
  new OptionNoArg("--rtsp", x => x.RTSPDeprecationWarning = true),
@@ -161,6 +162,8 @@ public enum StreamMode
 
  public bool LegacyPlayer;
 
+ public bool SoftwareRendering;
+
  public void ApplyOptionOverrides() 
  {
  DynamicLibraryLoader.LibLoaderOverride = LibDir;
@@ -188,6 +191,9 @@ public void ApplyOptionOverrides()
  }
 
  Program.Options.DecoderName = RequestedDecoderName;
+
+ if (SoftwareRendering)
+ Program.Options.ForceSoftwareRenderer = true;
  }
 
  public void PrintDeprecationWarnings() 
@@ -243,6 +249,7 @@ When a debugger is attached `log` is enabled by default.
  `--libdir` : Overrides the dynami library loading path, use only if dotnet can't locate your ffmpeg/avcoded/SDL2 libraries automatically
  this option effect depend on your platform, some libraries may still be handled by dotnet, it's better to use your loader path environment variable.
  `--debug-list` : Prints all available debug options.
+ `--software-render` : Launches SDL with software rendering, this runs very poorly and it is only meant as a debug option
 
 Command examples:
  SysDVR-Client.exe usb