@giro3d/giro3d/gui/WebGLRendererInspector.js

A JS/WebGL framework for 3D geospatial data visualization

/*
 * Copyright (c) 2015-2018, IGN France.
 * Copyright (c) 2018-2026, Giro3D team.
 * SPDX-License-Identifier: MIT
 */

import Panel from './Panel';
class WebGLRendererInspector extends Panel {
  /**
   * @param gui - The GUI.
   * @param instance - The Giro3D instance.
   */
  constructor(gui, instance) {
    super(gui, instance, 'WebGLRenderer');
    this.renderer = this.instance.renderer;
    this.addController(this.renderer, 'localClippingEnabled').onChange(() => this.notify());
    this._addCapabilities(this.renderer, this.gui.addFolder('Capabilities'));
    const loseContextExt = this.renderer.getContext().getExtension('WEBGL_lose_context');
    if (loseContextExt) {
      this.addController(loseContextExt, 'loseContext').name('Lose context');
      this.addController(loseContextExt, 'restoreContext').name('Restore context');
    }
  }

  /**
   * @param renderer - The renderer
   * @param rendererPanel - The GUI
   */
  _addCapabilities(renderer, rendererPanel) {
    const cap = renderer.capabilities;
    const debug = renderer.debug;
    const ctrls = this._controllers;
    function add(ctrl, prop, name) {
      ctrls.push(rendererPanel.add(ctrl, prop).name(name));
    }
    add(cap, 'isWebGL2', 'WebGL 2');
    add(cap, 'maxTextures', 'Max texture units');
    add(cap, 'maxTextureSize', 'Max texture size');
    add(cap, 'precision', 'Precision');
    add(cap, 'maxFragmentUniforms', 'Max fragment shader uniforms');
    add(cap, 'logarithmicDepthBuffer', 'Logarithmic depth buffer');
    add(cap, 'maxAttributes', 'Max shader attributes');
    add(debug, 'checkShaderErrors', 'Check shader errors');
    const extensionPanel = rendererPanel.addFolder('Extensions');
    extensionPanel.close();
    const supported = renderer.getContext().getSupportedExtensions();
    if (supported) {
      const suppObj = {};
      for (const supp of supported) {
        suppObj[supp] = true;
        ctrls.push(extensionPanel.add(suppObj, supp).name(supp));
      }
    }
  }
}
export default WebGLRendererInspector;