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(test) add stencil highlight to view_tests

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This commit is contained in:
Nick Fisher
2025-07-01 13:09:20 +08:00
parent e984d8cf71
commit c467e3ca69
1 changed files with 164 additions and 50 deletions
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214
thermion_dart/test/view_tests.dart
View File

@@ -1,5 +1,4 @@
// ignore_for_file: unused_local_variable
import 'dart:io';
@Timeout(const Duration(seconds: 600))
import 'package:logging/logging.dart';
import 'package:path/path.dart' as p;
@@ -10,6 +9,7 @@ import 'package:thermion_dart/src/filament/src/implementation/ffi_material.dart'
import 'package:thermion_dart/src/filament/src/implementation/ffi_render_target.dart';
import 'package:thermion_dart/src/filament/src/implementation/ffi_scene.dart';
import 'package:thermion_dart/src/filament/src/implementation/ffi_view.dart';
import 'package:thermion_dart/src/bindings/src/thermion_dart_ffi.g.dart';
import 'package:thermion_dart/thermion_dart.dart';
import 'helpers.dart';
@@ -28,6 +28,49 @@ void main() async {
});
});
test('render two views, change material instance in between', () async {
final viewportDimensions = (width: 500, height: 500);
final swapChain = await FilamentApp.instance!.createHeadlessSwapChain(
viewportDimensions.width, viewportDimensions.height);
await FilamentApp.instance!.setClearOptions(0, 0, 0, 0);
final views = [];
final scene = await FilamentApp.instance!.createScene() as FFIScene;
final camera = await FilamentApp.instance!.createCamera() as FFICamera;
await camera.setLensProjection();
for (int i = 0; i < 2; i++) {
final view = await FilamentApp.instance!.createView() as FFIView;
await view.setScene(scene);
await view.setCamera(camera);
await view.setRenderable(true);
await view.setViewport(
viewportDimensions.width, viewportDimensions.height);
await view.setFrustumCullingEnabled(false);
await FilamentApp.instance!.register(swapChain, view);
views.add(view);
}
var red = await FilamentApp.instance!.createUnlitMaterialInstance();
await red.setParameterFloat4("baseColorFactor", 1, 0, 0, 1);
var green = await FilamentApp.instance!.createUnlitMaterialInstance();
await green.setParameterFloat4("baseColorFactor", 0, 1, 0, 1);
var cube = await FilamentApp.instance!.createGeometry(
GeometryHelper.cube(flipUvs: true), nullptr,
materialInstances: [red]) as FFIAsset;
await scene.add(cube);
await camera.lookAt(Vector3(0, 0, 10));
await testHelper.capture(null, "multiview_change_material_instance",
swapChain: swapChain, beforeRender: (view) async {
if (view == views.last) {
await cube.setMaterialInstanceAt(green);
}
});
});
test('render to multiple views, same camera', () async {
final viewportDimensions = (width: 500, height: 500);
final swapChain = await FilamentApp.instance!.createHeadlessSwapChain(
@@ -356,7 +399,126 @@ void main() async {
await testHelper.capture(viewer.view, "fog_options_enabled");
}, addSkybox: true, postProcessing: true);
});
test('show/hide stencil highlight', () async {
await testHelper.withViewer((viewer) async {
var cube = await FilamentApp.instance!
.createGeometry(GeometryHelper.cube(flipUvs: true), nullptr);
await viewer.addToScene(cube);
await viewer.view.setStencilHighlight(cube);
await FilamentApp.instance!.setClearOptions(1, 1, 1, 0, clear: true, discard: false);
await FilamentApp.instance!.requestFrame();
await testHelper.capture(
null, "stencil_highlight_enabled", render:false);
await FilamentApp.instance!.setClearOptions(1, 1, 1, 0, clear: true, discard: false);
await viewer.view.removeStencilHighlight(cube);
await FilamentApp.instance!.requestFrame();
await testHelper.capture(
null, "stencil_highlight_removed", render:false);
}, postProcessing: false);
});
}
// manually construct two views with stencil buffer
// final viewportDimensions = (width: 500, height: 500);
// final swapChain = await FilamentApp.instance!.createHeadlessSwapChain(
// viewportDimensions.width, viewportDimensions.height,
// hasStencilBuffer: true);
// final renderTarget = await FilamentApp.instance!.createRenderTarget(
// viewportDimensions.width, viewportDimensions.height);
// await FilamentApp.instance!.setClearOptions(1, 1, 0, 0);
// final views = <View>[];
// final scene = await FilamentApp.instance!.createScene();
// final camera = await FilamentApp.instance!.createCamera();
// await camera.setLensProjection();
// await camera.lookAt(Vector3(0, 0, 10));
// for (int i = 0; i < 2; i++) {
// final view = await FilamentApp.instance!.createView() as FFIView;
// await view.setScene(scene);
// await view.setCamera(camera);
// await view.setStencilBufferEnabled(true);
// await view.setBlendMode(BlendMode.transparent);
// await view.setViewport(
// viewportDimensions.width, viewportDimensions.height);
// await view.setFrustumCullingEnabled(false);
// await view.setPostProcessing(true);
// await view.setRenderTarget(renderTarget);
// views.add(view);
// }
// var green = await FilamentApp.instance!.createUnlitMaterialInstance();
// await green.setParameterFloat4("baseColorFactor", 0, 1, 0, 1);
// await green.setStencilCompareFunction(SamplerCompareFunction.A);
// await green.setStencilOpDepthStencilPass(StencilOperation.REPLACE);
// await green.setStencilReferenceValue(11);
// await green.setDepthCullingEnabled(false);
// await green.setStencilWriteEnabled(true);
// var red = await FilamentApp.instance!.createUnlitMaterialInstance();
// await red.setParameterFloat4("baseColorFactor", 1, 0, 0, 1);
// await red.setDepthCullingEnabled(false);
// await red.setDepthFunc(SamplerCompareFunction.E);
// await red.setStencilCompareFunction(SamplerCompareFunction.A);
// await red.setStencilReferenceValue(11);
// var cube = await FilamentApp.instance!.createGeometry(
// GeometryHelper.cube(), nullptr,
// materialInstances: [green]);
// // var cube2 = await FilamentApp.instance!.createGeometry(
// // GeometryHelper.cube(), nullptr,
// // materialInstances: [red]);
// await scene.add(cube);
// // await scene.add(cube2);
// await FilamentApp.instance!.setPriority(cube.entity, 0);
// // await FilamentApp.instance!.setPriority(cube2.entity, 1);
// final renderer = FilamentApp.instance!.renderer;
// final beginFrame = await withBoolCallback((cb) {
// Renderer_beginFrameRenderThread(
// renderer, swapChain.getNativeHandle(), 0.toBigInt, cb);
// });
// await withVoidCallback((requestId, cb) {
// Renderer_renderRenderThread(
// renderer, views[0].getNativeHandle(), requestId, cb);
// });
// await cube.setMaterialInstanceAt(red);
// await FilamentApp.instance!.flush;
// await withVoidCallback((requestId, cb) {
// Renderer_renderRenderThread(
// renderer, views[1].getNativeHandle(), requestId, cb);
// });
// var out = Uint8List(500 * 500 * 4 * 4);
// await withVoidCallback((requestId, cb) {
// Renderer_readPixelsRenderThread(
// renderer,
// views[0].getNativeHandle(),
// renderTarget.getNativeHandle(),
// PixelDataFormat.RGBA.value,
// PixelDataType.FLOAT.value,
// out.address,
// out.length,
// requestId,
// cb);
// });
// await withVoidCallback((requestId, cb) {
// Renderer_endFrameRenderThread(renderer, requestId, cb);
// });
// await FilamentApp.instance!.flush();
// await savePixelBufferToPng(out, 500, 500, "/tmp/foo.png",
// hasAlpha: true, isFloat: true);
// }, createStencilBuffer: true);
// test('one swapchain, render view to render target', () async {
// await testHelper.withViewer((viewer) async {
@@ -446,52 +608,4 @@ void main() async {
// });
// });
// test('pick', () async {
// await testHelper.withViewer((viewer) async {
// final view = await viewer.getViewAt(0);
// await view.setRenderable(true, testHelper.swapChain);
// final cube = await viewer
// .createGeometry(GeometryHelper.cube(normals: false, uvs: false));
// await testHelper.capture(viewer, "view_pick");
// final completer = Completer();
// await viewer.pick(250, 250, (result) {
// completer.complete(result.entity);
// print(
// "Pick result : ${result.fragX} ${result.fragY} ${result.fragZ}");
// });
// for (int i = 0; i < 10; i++) {
// await testHelper.capture(viewer, "view_pick");
// if (completer.isCompleted) {
// break;
// }
// }
// expect(completer.isCompleted, true);
// expect(await completer.future, cube.entity);
// }, cameraPosition: Vector3(0, 0, 3));
// });
// test('dithering', () async {
// await testHelper.withViewer((viewer) async {
// final view = await viewer.getViewAt(0);
// expect(await view.isDitheringEnabled(), true);
// final cube = await viewer
// .createGeometry(GeometryHelper.cube(normals: false, uvs: false));
// await testHelper.capture(viewer, "dithering_enabled");
// await view.setDithering(false);
// expect(await view.isDitheringEnabled(), false);
// await testHelper.capture(viewer, "dithering_disabled");
// }, cameraPosition: Vector3(0, 0, 3));
// });
// });
// }