@thewtex/vtk.js-esm/Rendering/WebGPU/SwapChain.js

Visualization Toolkit for the Web

import { obj, get, setGet, newInstance as newInstance$1 } from '../../macro.js';

// vtkWebGPUSwapChain methods
// ----------------------------------------------------------------------------

function vtkWebGPUSwapChain(publicAPI, model) {
  // Set our className
  model.classHierarchy.push('vtkWebGPUSwapChain');
  /* eslint-disable no-undef */

  /* eslint-disable no-bitwise */

  publicAPI.create = function (device, window) {
    model.device = device;
    model.window = window;

    if (window.getContext()) {
      model.colorFormat = 'bgra8unorm';
      model.handle = window.getContext().configureSwapChain({
        device: device.getHandle(),
        format: model.colorFormat,
        usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_DST
      });
      model.created = true;
    }
  };

  publicAPI.getCurrentTexture = function () {
    return model.handle.getCurrentTexture();
  };

  publicAPI.releaseGraphicsResources = function () {
    if (model.created) {
      model.handle = null;
      model.created = false;
      model.depthTexture = null;
    }
  };
} // ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------


var DEFAULT_VALUES = {
  device: null,
  created: false,
  handle: null,
  colorFormat: null
}; // ----------------------------------------------------------------------------

function extend(publicAPI, model) {
  var initialValues = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  Object.assign(model, DEFAULT_VALUES, initialValues); // Build VTK API

  obj(publicAPI, model);
  get(publicAPI, model, ['colorFormat']);
  setGet(publicAPI, model, ['created', 'device', 'handle']); // For more macro methods, see "Sources/macro.js"
  // Object specific methods

  vtkWebGPUSwapChain(publicAPI, model);
} // ----------------------------------------------------------------------------

var newInstance = newInstance$1(extend, 'vtkWebGPUSwapChain'); // ----------------------------------------------------------------------------

var vtkWebGPUSwapChain$1 = {
  newInstance: newInstance,
  extend: extend
};

export default vtkWebGPUSwapChain$1;
export { extend, newInstance };