From 45a651adf05b9ab422c29a87faaaaa5c0818034c Mon Sep 17 00:00:00 2001
From: Nick Fisher <nick.fisher@avinium.com>
Date: Sat, 8 Jun 2024 15:35:32 +1000
Subject: [PATCH] set stereoscopic options to fix issue on Windows

---
 dart_filament/native/src/FilamentViewer.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dart_filament/native/src/FilamentViewer.cpp b/dart_filament/native/src/FilamentViewer.cpp
index 5f6651af..f71977a6 100644
--- a/dart_filament/native/src/FilamentViewer.cpp
+++ b/dart_filament/native/src/FilamentViewer.cpp
@@ -135,6 +135,10 @@ namespace flutter_filament
     _engine = Engine::create(Engine::Backend::METAL);
 #elif defined(__EMSCRIPTEN__)
     _engine = Engine::create(Engine::Backend::OPENGL, (backend::Platform *)new filament::backend::PlatformWebGL(), (void *)sharedContext, nullptr);
+#elif defined(_WIN32)
+    Engine::Config config;
+    config.stereoscopicEyeCount = 1; 
+    _engine = Engine::create(Engine::Backend::OPENGL, (backend::Platform *)platform, (void *)sharedContext, &config);
 #else
     _engine = Engine::create(Engine::Backend::OPENGL, (backend::Platform *)platform, (void *)sharedContext, nullptr);
 #endif
@@ -163,6 +167,10 @@ namespace flutter_filament
 
     _view->setAmbientOcclusionOptions({.enabled = false});
     _view->setDynamicResolutionOptions({.enabled = false});
+    
+    #if defined(_WIN32)
+    _view->setStereoscopicOptions({.enabled = true});
+    #endif
 
     _view->setDithering(filament::Dithering::NONE);
     setAntiAliasing(false, false, false);