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implement TSkybox and use setColor method to set the background color, rather than the image

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This commit is contained in:
Nick Fisher
2025-06-18 13:01:25 +08:00
parent df393b075b
commit 42f9538040
11 changed files with 177 additions and 30 deletions
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34
thermion_dart/lib/src/viewer/src/ffi/src/thermion_viewer_ffi.dart
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@@ -2,6 +2,7 @@ import 'dart:async';
import 'package:thermion_dart/src/filament/src/implementation/background_image.dart';
import 'package:thermion_dart/src/filament/src/implementation/ffi_indirect_light.dart';
import 'package:thermion_dart/src/filament/src/implementation/ffi_ktx1_bundle.dart';
import 'package:thermion_dart/src/filament/src/implementation/ffi_skybox.dart';
import 'package:thermion_dart/src/filament/src/implementation/ffi_swapchain.dart';
import 'package:thermion_dart/src/filament/src/implementation/ffi_texture.dart';
import '../../../../filament/src/implementation/ffi_asset.dart';
@@ -229,13 +230,10 @@ class ThermionViewerFFI extends ThermionViewer {
///
@override
Future setBackgroundColor(double r, double g, double b, double a) async {
// we don't want to use the Renderer clearColor, because this only applies
// to clearing the swapchain. Even if this Viewer is rendered into the
// swapchain, we don't necessarily (?) want to set the clear color,
// because that will affect other views.
// We therefore use the background image as the color;
_backgroundImage ??= await BackgroundImage.create(this, scene);
await _backgroundImage!.setBackgroundColor(r, g, b, a);
await removeSkybox();
_skybox = await FilamentApp.instance!.buildSkybox() as FFISkybox;
await scene.setSkybox(_skybox!);
await _skybox!.setColor(r, g, b, a);
}
///
@@ -252,7 +250,7 @@ class ThermionViewerFFI extends ThermionViewer {
Future? _skyboxTextureUploadComplete;
FFITexture? _skyboxTexture;
Pointer<TSkybox>? _skybox;
FFISkybox? _skybox;
///
///
@@ -271,10 +269,11 @@ class ThermionViewerFFI extends ThermionViewer {
_skyboxTexture = await bundle.createTexture() as FFITexture;
_skybox = await withPointerCallback<TSkybox>((cb) {
Engine_buildSkyboxRenderThread(app.engine, _skyboxTexture!.pointer, cb);
});
Scene_setSkybox(scene.scene, _skybox!);
_skybox = await FilamentApp.instance!.buildSkybox(texture: _skyboxTexture)
as FFISkybox;
await scene.setSkybox(_skybox!);
completer.complete();
}).then((_) async {
_skyboxTextureUploadComplete = null;
@@ -364,16 +363,7 @@ class ThermionViewerFFI extends ThermionViewer {
_skyboxTextureUploadComplete = null;
}
if (_skybox != null) {
await withVoidCallback(
(requestId, cb) => Engine_destroySkyboxRenderThread(
app.engine,
_skybox!,
requestId,
cb,
),
);
}
await _skybox?.destroy();
_skybox = null;
_skyboxTexture = null;
}