@giro3d/giro3d/utils/Capabilities.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
 */

// default values
let logDepthBufferSupported = false;
let maxTexturesUnits = 8;
let maxTextureSize = 2048;
let maxAnisotropy = 0;
export default {
  isLogDepthBufferSupported() {
    return logDepthBufferSupported;
  },
  getMaxTextureUnitsCount() {
    return maxTexturesUnits;
  },
  getMaxTextureSize() {
    return maxTextureSize;
  },
  getMaxAnisotropy() {
    return maxAnisotropy;
  },
  updateCapabilities(renderer) {
    const gl = renderer.getContext();
    maxTexturesUnits = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);
    maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);
    maxAnisotropy = renderer.capabilities.getMaxAnisotropy();
    logDepthBufferSupported = renderer.capabilities.logarithmicDepthBuffer;
  }
};