@babylonjs/core
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JavaScript
import { FrameGraphTask } from "../../frameGraphTask.js";
import { UtilityLayerRenderer } from "../../../Rendering/utilityLayerRenderer.js";
/**
* Task used to render an utility layer.
*/
export class FrameGraphUtilityLayerRendererTask extends FrameGraphTask {
/**
* The camera used to render the utility layer.
*/
get camera() {
return this._camera;
}
set camera(value) {
this._camera = value;
this.layer.setRenderCamera(value);
this.layer.utilityLayerScene.activeCamera = value;
}
/**
* Creates a new utility layer renderer task.
* @param name The name of the task.
* @param frameGraph The frame graph the task belongs to.
* @param scene The scene the task belongs to.
* @param handleEvents If the utility layer should handle events.
*/
constructor(name, frameGraph, scene, handleEvents = true) {
super(name, frameGraph);
this.layer = new UtilityLayerRenderer(scene, handleEvents, true);
this.layer.utilityLayerScene._useCurrentFrameBuffer = true;
this.outputTexture = this._frameGraph.textureManager.createDanglingHandle();
}
getClassName() {
return "FrameGraphUtilityLayerRendererTask";
}
record() {
if (!this.targetTexture || !this.camera) {
throw new Error(`FrameGraphUtilityLayerRendererTask "${this.name}": targetTexture and camera are required`);
}
this._frameGraph.textureManager.resolveDanglingHandle(this.outputTexture, this.targetTexture);
const pass = this._frameGraph.addRenderPass(this.name);
pass.setRenderTarget(this.outputTexture);
pass.setExecuteFunc((context) => {
context.render(this.layer);
});
const passDisabled = this._frameGraph.addRenderPass(this.name + "_disabled", true);
passDisabled.setRenderTarget(this.outputTexture);
passDisabled.setExecuteFunc((_context) => { });
}
dispose() {
this.layer.dispose();
super.dispose();
}
}
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