wip

lib/widgets/filament_widget.dart

@@ -132,7 +132,7 @@ class _FilamentWidgetState extends State<FilamentWidget> {
       var size = ((context.findRenderObject()) as RenderBox).size;
 
       try {
-        widget.controller.createViewer(size.width.toInt(), size.height.toInt());
+        await widget.controller.createViewer(size.width.toInt(), size.height.toInt());
       } catch (err) {
         setState(() {
           _error = err.toString();
@@ -188,21 +188,21 @@ class _FilamentWidgetState extends State<FilamentWidget> {
                   _resizeTimer?.cancel();
 
                   _resizeTimer = Timer(Duration(milliseconds: 500), () async {
-                    setState(() {
+                    // setState(() {
-                      _resizing = true;
+                    //   _resizing = true;
-                    });
+                    // });
 
                     // TODO - we could snapshot the widget to display while we resize?
 
                     print("Resizing to $newSize");
-                    await widget.controller
+                    // await widget.controller
-                        .resize(newSize.width.toInt(), newSize.height.toInt());
+                    //     .resize(newSize.width.toInt(), newSize.height.toInt());
-                    WidgetsBinding.instance.addPostFrameCallback((_) async {
+                    // WidgetsBinding.instance.addPostFrameCallback((_) async {
-                      setState(() {
+                    //   setState(() {
-                        _resizing = false;
+                    //     _resizing = false;
-                        widget.onResize?.call();
+                    //     widget.onResize?.call();
-                      });
+                    //   });
-                    });
+                    // });
                   });
                 });
               },

windows/polyvox_filament_plugin.cpp

@@ -403,8 +403,9 @@ bool PolyvoxFilamentPlugin::MakeOpenGLTexture(uint32_t width, uint32_t height,st
 
             if(!_context || !wglMakeCurrent(whdc, _context)) {
               std::cout << "Failed to switch OpenGL context." << std::endl;
-            } else {
+            } else if (_glTextureId != 0) {
-              uint8_t* data = (uint8_t*)_pixelData.get();
+              // uint8_t* data = (uint8_t*)_pixelData.get();
+              uint8_t* data = new uint8_t[width*height*4];
               glBindTexture(GL_TEXTURE_2D, _glTextureId);
               glGetTexImage(GL_TEXTURE_2D,0,GL_RGBA,GL_UNSIGNED_BYTE,data);
 
@@ -470,6 +471,8 @@ void PolyvoxFilamentPlugin::DestroyTexture(
     // TODO
     result->Error("NOT_IMPLEMENTED", "Method is not implemented %s", methodCall.method_name());
   #else
+    std::lock_guard<std::mutex> guard(_renderMutex);
+
     HWND hwnd = _pluginRegistrar->GetView()
                   ->GetNativeWindow();
 
@@ -482,9 +485,11 @@ void PolyvoxFilamentPlugin::DestroyTexture(
     // for now we will just unregister the Flutter texture and delete the GL texture
     // we will leave the pixel data/PixelBufferTexture intact - these will be replaced on the next call to createTexture
     // if we wanted to be militant about cleaning up unused memory we could delete here first
-    _textureRegistrar->UnregisterTexture(_flutterTextureId);
+    // _textureRegistrar->UnregisterTexture(_flutterTextureId);
-    _flutterTextureId = -1;    
+    // _flutterTextureId = -1;    
-    glDeleteTextures(1, &_glTextureId);
+    // glDeleteTextures(1, &_glTextureId);
+    // _glTextureId = 0;
+    // wglMakeCurrent(NULL, NULL);
     result->Success(flutter::EncodableValue(true));
   #endif      
 }