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

Visualization Toolkit for the Web

import macro from '../../macro.js';

/* eslint-disable no-bitwise */
// ----------------------------------------------------------------------------
// vtkWebGPUSampler methods
// ----------------------------------------------------------------------------

function vtkWebGPUSampler(publicAPI, model) {
  // Set our className
  model.classHierarchy.push('vtkWebGPUSampler');

  publicAPI.create = function (device) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    model.device = device;
    model.handle = model.device.getHandle().createSampler({
      magFilter: options.magFilter ? options.magFilter : 'nearest',
      minFilter: options.minFilter ? options.minFilter : 'nearest'
    });
    model.bindGroupTime.modified();
  };

  publicAPI.getShaderCode = function (binding, group) {
    var result = "[[binding(".concat(binding, "), group(").concat(group, ")]] var ").concat(model.name, ": sampler;");
    return result;
  };

  publicAPI.getBindGroupEntry = function () {
    var foo = {
      resource: model.handle
    };
    return foo;
  };
} // ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------


var DEFAULT_VALUES = {
  device: null,
  handle: null,
  name: null
}; // ----------------------------------------------------------------------------

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

  macro.obj(publicAPI, model);
  model.bindGroupLayoutEntry = {
    /* eslint-disable no-undef */
    visibility: GPUShaderStage.VERTEX | GPUShaderStage.FRAGMENT,

    /* eslint-enable no-undef */
    sampler: {// type: 'filtering',
    }
  };
  model.bindGroupTime = {};
  macro.obj(model.bindGroupTime, {
    mtime: 0
  });
  macro.get(publicAPI, model, ['bindGroupTime', 'handle']);
  macro.setGet(publicAPI, model, ['bindGroupLayoutEntry', 'device', 'name']);
  vtkWebGPUSampler(publicAPI, model);
} // ----------------------------------------------------------------------------

var newInstance = macro.newInstance(extend); // ----------------------------------------------------------------------------

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

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