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cup_edit/thermion_dart/test/viewport_grid.dart

70 lines
2.5 KiB
Dart

import 'dart:ffi';
import 'dart:io';
import 'package:ffi/ffi.dart';
import 'package:thermion_dart/src/swift/swift_bindings.g.dart';
import 'package:thermion_dart/src/utils/dart_resources.dart';
import 'package:thermion_dart/src/viewer/src/ffi/src/thermion_dart.g.dart';
import 'package:thermion_dart/src/viewer/src/ffi/thermion_viewer_ffi.dart';
/// Test files are run in a variety of ways, find this package root in all.
///
/// Test files can be run from source from any working directory. The Dart SDK
/// `tools/test.py` runs them from the root of the SDK for example.
///
/// Test files can be run from dill from the root of package. `package:test`
/// does this.
Uri findPackageRoot(String packageName) {
final script = Platform.script;
final fileName = script.name;
// We're likely running from source.
var directory = script.resolve('.');
while (true) {
final dirName = directory.name;
if (dirName == packageName) {
return directory;
}
final parent = directory.resolve('..');
if (parent == directory) break;
directory = parent;
}
throw StateError("Could not find package root for package '$packageName'. "
'Tried finding the package root via Platform.script '
"'${Platform.script.toFilePath()}' and Directory.current "
"'${Directory.current.uri.toFilePath()}'.");
}
extension on Uri {
String get name => pathSegments.where((e) => e != '').last;
}
late String testDir;
void main() async {
final packageUri = findPackageRoot('thermion_dart');
testDir = Directory("${packageUri.toFilePath()}/test").path;
final lib = ThermionTexture1(DynamicLibrary.open(
'${packageUri.toFilePath()}/native/lib/macos/swift/libthermion_swift.dylib'));
final object = ThermionTexture.new1(lib);
object.initWithWidth_height_(500, 500);
final resourceLoader = calloc<ResourceLoaderWrapper>(1);
var loadToOut = NativeCallable<
Void Function(Pointer<Char>,
Pointer<ResourceBuffer>)>.listener(DartResourceLoader.loadResource);
resourceLoader.ref.loadToOut = loadToOut.nativeFunction;
var freeResource = NativeCallable<Void Function(ResourceBuffer)>.listener(
DartResourceLoader.freeResource);
resourceLoader.ref.freeResource = freeResource.nativeFunction;
var viewer = ThermionViewerFFI(resourceLoader: resourceLoader.cast<Void>());
await viewer.initialized;
await viewer.createSwapChain(500, 500);
await viewer.createRenderTarget(500, 500, object.metalTextureAddress);
await viewer.updateViewportAndCameraProjection(500, 500);
}