refactoring

thermion_dart/lib/src/filament/src/material.dart

@@ -111,6 +111,8 @@ abstract class MaterialInstance {
   Future setParameterFloat3Array(String name, List<Vector3> data);
   Future setParameterFloat4(
       String name, double x, double y, double z, double w);
+  Future setParameterMat4(
+      String name, Matrix4 matrix);
   
   Future setParameterInt(String name, int value);
   Future setParameterBool(String name, bool value);

thermion_dart/lib/src/utils/src/geometry.dart

@@ -1,14 +1,12 @@
 import 'dart:math';
 import 'dart:typed_data';
 
-import 'package:vector_math/vector_math_64.dart';
-
 import '../../../thermion_dart.dart';
 
 class GeometryHelper {
   static Geometry fullscreenQuad() {
     final vertices = Float32List.fromList(
-        [-1.0, -1.0, 1.0, 1.0, 3.0, -1.0, 1.0, 1.0, -1.0, 3.0, 1.0, 1.0]);
+        [-1.0, -1.0, 1.0, 3.0, -1.0, 1.0, -1.0, 3.0, 1.0]);
     final indices = [0, 1, 2];
     return Geometry(vertices, indices);
   }

thermion_dart/lib/src/viewer/src/ffi/src/background_image.dart

@@ -27,7 +27,7 @@ class BackgroundImage extends ThermionAsset {
 
   Future destroy() async {
     Scene_removeEntity(scene.scene, entity);
-    
+
     await texture!.dispose();
     await sampler!.dispose();
     await mi.destroy();
@@ -40,6 +40,9 @@ class BackgroundImage extends ThermionAsset {
 
     var backgroundImage =
         await viewer.createGeometry(GeometryHelper.fullscreenQuad());
+    await imageMaterialInstance.setParameterInt("showImage", 0);
+    await imageMaterialInstance.setParameterMat4("transform", Matrix4.identity());
+    
     backgroundImage.setMaterialInstanceAt(imageMaterialInstance);
     await scene.add(backgroundImage as FFIAsset);
     return BackgroundImage._(
@@ -61,7 +64,6 @@ class BackgroundImage extends ThermionAsset {
 
     await mi.setParameterTexture(
         "image", texture as FFITexture, sampler as FFITextureSampler);
-  
   }
 
   ///

thermion_dart/lib/src/viewer/src/ffi/src/callbacks.dart

@@ -13,6 +13,17 @@ void using(Pointer ptr, Future Function(Pointer ptr) function) async {
   allocator.free(ptr);
 }
 
+Future<void> withVoidCallback2(Function() func) async {
+  final completer = Completer();
+  void Function() callback = () {
+    func.call();
+    completer.complete();
+  };  
+  final nativeCallable = NativeCallable<Void Function()>.listener(callback);
+  await completer.future;
+  nativeCallable.close();
+}
+
 Future<void> withVoidCallback(
     Function(Pointer<NativeFunction<Void Function()>>) func) async {
   final completer = Completer();
@@ -27,8 +38,7 @@ Future<void> withVoidCallback(
 }
 
 Future<Pointer<T>> withPointerCallback<T extends NativeType>(
-    Function(Pointer<NativeFunction<Void Function(Pointer<T>)>>)
-        func) async {
+    Function(Pointer<NativeFunction<Void Function(Pointer<T>)>>) func) async {
   final completer = Completer<Pointer<T>>();
   // ignore: prefer_function_declarations_over_variables
   void Function(Pointer<NativeType>) callback = (Pointer<NativeType> ptr) {
@@ -101,4 +111,3 @@ Future<String> withCharPtrCallback(
   nativeCallable.close();
   return completer.future;
 }
-

thermion_dart/lib/src/viewer/src/ffi/src/ffi_filament_app.dart

@@ -563,6 +563,13 @@ class FFIFilamentApp extends FilamentApp<Pointer> {
     await withBoolCallback((cb) {
       Renderer_beginFrameRenderThread(renderer, swapChain!.swapChain, 0, cb);
     });
+    await withVoidCallback((cb) {
+      Renderer_renderRenderThread(
+        renderer,
+        view.view,
+        cb,
+      );
+    });
     await withVoidCallback((cb) {
       Renderer_readPixelsRenderThread(
         renderer,

thermion_dart/lib/src/viewer/src/ffi/src/ffi_material.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:typed_data';
 
 import 'package:thermion_dart/src/viewer/src/ffi/src/callbacks.dart';
@@ -192,4 +193,16 @@ class FFIMaterialInstance extends MaterialInstance {
     MaterialInstance_setParameterBool(
         pointer, name.toNativeUtf8().cast<Char>(), value);
   }
+
+  @override
+  Future setParameterMat4(String name, Matrix4 matrix) async {
+    final completer = Completer();
+    final func = () {
+      MaterialInstance_setParameterMat4(pointer, name.toNativeUtf8().cast<Char>(), matrix.storage.address);
+      completer.complete();
+    };
+    final nativeCallable = NativeCallable<Void Function()>.listener(func);
+    RenderLoop_addTask(nativeCallable.nativeFunction);
+    await completer.future;
+  }
 }

thermion_dart/lib/src/viewer/src/ffi/src/thermion_dart.g.dart

@@ -136,6 +136,15 @@ external void MaterialInstance_setParameterFloat4(
   double z,
 );
 
+@ffi.Native<
+    ffi.Void Function(ffi.Pointer<TMaterialInstance>, ffi.Pointer<ffi.Char>,
+        ffi.Pointer<ffi.Double>)>(isLeaf: true)
+external void MaterialInstance_setParameterMat4(
+  ffi.Pointer<TMaterialInstance> materialInstance,
+  ffi.Pointer<ffi.Char> propertyName,
+  ffi.Pointer<ffi.Double> matrix,
+);
+
 @ffi.Native<
     ffi.Void Function(ffi.Pointer<TMaterialInstance>, ffi.Pointer<ffi.Char>,
         ffi.Int)>(isLeaf: true)
@@ -1511,6 +1520,13 @@ external void RenderTicker_renderRenderThread(
   ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> onComplete,
 );
 
+@ffi.Native<
+    ffi.Void Function(
+        ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>>)>(isLeaf: true)
+external void RenderLoop_addTask(
+  ffi.Pointer<ffi.NativeFunction<ffi.Void Function()>> task,
+);
+
 @ffi.Native<
     ffi.Void Function(
         ffi.Pointer<TEngine>,