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add async gltf resource loading

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This commit is contained in:
Nick Fisher
2025-04-16 17:06:51 +08:00
parent 02b6bc4ee6
commit 2d4342607d
5 changed files with 45 additions and 6 deletions
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13
thermion_dart/lib/src/viewer/src/ffi/src/ffi_filament_app.dart
View File

@@ -787,9 +787,16 @@ class FFIFilamentApp extends FilamentApp<Pointer> {
cb));
}
if (loadResourcesAsync) {
// GltfResourceLoader_asyncBeginLoad(gltfResourceLoader)
throw UnimplementedError(
"TODO"); // need to use a NativeFinalizer to ensure the pointer is still valid until resource loader has finished
if(!GltfResourceLoader_asyncBeginLoad(gltfResourceLoader, filamentAsset)) {
throw Exception("Failed to begin async loading");
}
GltfResourceLoader_asyncUpdateLoad(gltfResourceLoader);
var progress = GltfResourceLoader_asyncGetLoadProgress(gltfResourceLoader);
while(progress < 1.0) {
GltfResourceLoader_asyncUpdateLoad(gltfResourceLoader);
progress = GltfResourceLoader_asyncGetLoadProgress(gltfResourceLoader);
}
} else {
final result = await withBoolCallback((cb) =>
GltfResourceLoader_loadResourcesRenderThread(

16
thermion_dart/lib/src/viewer/src/ffi/src/thermion_dart.g.dart
View File

@@ -2847,13 +2847,25 @@ external void GltfResourceLoader_destroy(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<TGltfResourceLoader>,
ffi.Bool Function(ffi.Pointer<TGltfResourceLoader>,
ffi.Pointer<TFilamentAsset>)>(isLeaf: true)
external void GltfResourceLoader_asyncBeginLoad(
external bool GltfResourceLoader_asyncBeginLoad(
ffi.Pointer<TGltfResourceLoader> tGltfResourceLoader,
ffi.Pointer<TFilamentAsset> tFilamentAsset,
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<TGltfResourceLoader>)>(isLeaf: true)
external void GltfResourceLoader_asyncUpdateLoad(
ffi.Pointer<TGltfResourceLoader> tGltfResourceLoader
);
@ffi.Native<
ffi.Double Function(ffi.Pointer<TGltfResourceLoader>)>(isLeaf: true)
external double GltfResourceLoader_asyncGetLoadProgress(
ffi.Pointer<TGltfResourceLoader> tGltfResourceLoader
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<TGltfResourceLoader>, ffi.Pointer<ffi.Char>,
ffi.Pointer<ffi.Uint8>, ffi.Size)>(isLeaf: true)