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add view test for multiple views rendering into the same render target

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This commit is contained in:
Nick Fisher
2025-06-10 09:08:30 +08:00
parent dba40fb82b
commit 66d3bf65fd
1 changed files with 60 additions and 3 deletions
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63
thermion_dart/test/view_tests.dart
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@@ -202,6 +202,64 @@ void main() async {
isFloat: true);
});
///
///
///
test('render two views to same render target', () async {
final viewportDimensions = (width: 500, height: 500);
final swapChain = await FilamentApp.instance!.createHeadlessSwapChain(
viewportDimensions.width, viewportDimensions.height);
final views = <FFIView>[];
await FilamentApp.instance!.setClearOptions(0, 0, 0, 0,
clear: false, clearStencil: 0, discard: false);
final renderTarget = await FilamentApp.instance!.createRenderTarget(
viewportDimensions.width, viewportDimensions.height) as FFIRenderTarget;
for (int i = 0; i < 2; i++) {
final camera = await FilamentApp.instance!.createCamera() as FFICamera;
await camera.setLensProjection();
final view = await FilamentApp.instance!.createView() as FFIView;
final scene = await FilamentApp.instance!.createScene() as FFIScene;
await view.setScene(scene);
await view.setRenderable(true);
await view.setViewport(
viewportDimensions.width, viewportDimensions.height);
await view.setFrustumCullingEnabled(false);
await view.setPostProcessing(false);
await view.setRenderTarget(renderTarget);
await FilamentApp.instance!.register(swapChain, view);
await view.setCamera(camera);
views.add(view);
await camera.lookAt(Vector3(0, 4, 12),
focus: Vector3(i == 0 ? -2 : 2, 0, 0));
var cube = await FilamentApp.instance!.createGeometry(
GeometryHelper.cube(flipUvs: true), nullptr) as FFIAsset;
await scene.add(cube);
}
var result = await FilamentApp.instance!
.capture(swapChain, captureRenderTarget: true);
await savePixelBufferToBmp(
result.first.$2,
viewportDimensions.width,
viewportDimensions.height,
p.join(testHelper.outDir.path, "two_views_same_render_target1.bmp"),
isFloat: true);
await savePixelBufferToBmp(
result.last.$2,
viewportDimensions.width,
viewportDimensions.height,
p.join(testHelper.outDir.path, "two_views_same_render_target2.bmp"),
isFloat: true);
});
test('render depth buffer to render target', () async {
final viewportDimensions = (width: 500, height: 500);
final swapChain = await FilamentApp.instance!.createHeadlessSwapChain(
@@ -293,10 +351,9 @@ void main() async {
await testHelper.capture(viewer.view, "fog_options_disabled");
await viewer.view.setFogOptions(FogOptions(
enabled: true, distance: 0, density: 0.5));
await viewer.view
.setFogOptions(FogOptions(enabled: true, distance: 0, density: 0.5));
await testHelper.capture(viewer.view, "fog_options_enabled");
}, addSkybox: true, postProcessing: true);
});
}