on macOS, always create stencil buffer by default

thermion_dart/native/include/RenderTicker.hpp

@@ -51,6 +51,12 @@ namespace thermion
         /// @param numViews 
         void setRenderable(filament::SwapChain *swapChain, filament::View **view, uint8_t numViews);
 
+        /// @brief 
+        /// @param swapChain 
+        /// @param view 
+        /// @param numViews 
+        void removeSwapChain(filament::SwapChain *swapChain);
+
         /// @brief 
         /// @param animationManager 
         void addAnimationManager(AnimationManager* animationManager);

thermion_dart/native/include/c_api/TRenderTicker.h

@@ -15,6 +15,7 @@ extern "C"
 	
 	EMSCRIPTEN_KEEPALIVE void RenderTicker_render(TRenderTicker *tRenderTicker, uint64_t frameTimeInNanos);
 	EMSCRIPTEN_KEEPALIVE void RenderTicker_setRenderable(TRenderTicker *tRenderTicker, TSwapChain *swapChain, TView **views, uint8_t numViews);	
+	EMSCRIPTEN_KEEPALIVE void RenderTicker_removeSwapChain(TRenderTicker *tRenderTicker, TSwapChain *swapChain);	
 	
 #ifdef __cplusplus
 }

thermion_dart/native/src/c_api/TRenderTicker.cpp

@@ -61,5 +61,10 @@ EMSCRIPTEN_KEEPALIVE void RenderTicker_setOverlayManager(TRenderTicker *tRenderT
     renderTicker->addOverlayManager(overlayManager);
 }
 
+EMSCRIPTEN_KEEPALIVE void RenderTicker_removeSwapChain(TRenderTicker *tRenderTicker, TSwapChain *tSwapChain) {
+    auto *renderTicker = reinterpret_cast<RenderTicker *>(tRenderTicker);
+    auto *swapChain = reinterpret_cast<filament::SwapChain *>(tSwapChain);
+    renderTicker->removeSwapChain(swapChain);
+}
 
 }