dbstorage/dbapp/static/cesium/Workers/chunk-IJM2HVTV.js

/**
 * @license
 * Cesium - https://github.com/CesiumGS/cesium
 * Version 1.133
 *
 * Copyright 2011-2022 Cesium Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Columbus View (Pat. Pend.)
 *
 * Portions licensed separately.
 * See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
 */


// node_modules/@cesium/wasm-splats/wasm_splats.js
var wasm;
var cachedTextDecoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf-8", { ignoreBOM: true, fatal: true }) : { decode: () => {
  throw Error("TextDecoder not available");
} };
if (typeof TextDecoder !== "undefined") {
  cachedTextDecoder.decode();
}
var cachedUint8ArrayMemory0 = null;
function getUint8ArrayMemory0() {
  if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
    cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
  }
  return cachedUint8ArrayMemory0;
}
function getStringFromWasm0(ptr, len) {
  ptr = ptr >>> 0;
  return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
}
var cachedUint32ArrayMemory0 = null;
function getUint32ArrayMemory0() {
  if (cachedUint32ArrayMemory0 === null || cachedUint32ArrayMemory0.byteLength === 0) {
    cachedUint32ArrayMemory0 = new Uint32Array(wasm.memory.buffer);
  }
  return cachedUint32ArrayMemory0;
}
function getArrayU32FromWasm0(ptr, len) {
  ptr = ptr >>> 0;
  return getUint32ArrayMemory0().subarray(ptr / 4, ptr / 4 + len);
}
var WASM_VECTOR_LEN = 0;
function passArray32ToWasm0(arg, malloc) {
  const ptr = malloc(arg.length * 4, 4) >>> 0;
  getUint32ArrayMemory0().set(arg, ptr / 4);
  WASM_VECTOR_LEN = arg.length;
  return ptr;
}
function takeFromExternrefTable0(idx) {
  const value = wasm.__wbindgen_export_0.get(idx);
  wasm.__externref_table_dealloc(idx);
  return value;
}
function generate_splat_texture(positions, scales, rotations, colors, count) {
  const ret = wasm.generate_splat_texture(positions, scales, rotations, colors, count);
  if (ret[2]) {
    throw takeFromExternrefTable0(ret[1]);
  }
  return TextureData.__wrap(ret[0]);
}
function radix_sort_gaussians_indexes(positions_arr, model_view_arr, count) {
  const ret = wasm.radix_sort_gaussians_indexes(positions_arr, model_view_arr, count);
  if (ret[2]) {
    throw takeFromExternrefTable0(ret[1]);
  }
  return takeFromExternrefTable0(ret[0]);
}
var TextureDataFinalization = typeof FinalizationRegistry === "undefined" ? { register: () => {
}, unregister: () => {
} } : new FinalizationRegistry((ptr) => wasm.__wbg_texturedata_free(ptr >>> 0, 1));
var TextureData = class _TextureData {
  static __wrap(ptr) {
    ptr = ptr >>> 0;
    const obj = Object.create(_TextureData.prototype);
    obj.__wbg_ptr = ptr;
    TextureDataFinalization.register(obj, obj.__wbg_ptr, obj);
    return obj;
  }
  __destroy_into_raw() {
    const ptr = this.__wbg_ptr;
    this.__wbg_ptr = 0;
    TextureDataFinalization.unregister(this);
    return ptr;
  }
  free() {
    const ptr = this.__destroy_into_raw();
    wasm.__wbg_texturedata_free(ptr, 0);
  }
  /**
   * Getter for the underlying texture data. Always returns a copy.
   * @returns {Uint32Array}
   */
  get data() {
    const ret = wasm.texturedata_data(this.__wbg_ptr);
    var v1 = getArrayU32FromWasm0(ret[0], ret[1]).slice();
    wasm.__wbindgen_free(ret[0], ret[1] * 4, 4);
    return v1;
  }
  /**
   * Getter for the width of the texture in pixels.
   * @returns {number}
   */
  get width() {
    const ret = wasm.texturedata_width(this.__wbg_ptr);
    return ret >>> 0;
  }
  /**
   * Getter for the height of the texture in pixels.
   * @returns {number}
   */
  get height() {
    const ret = wasm.texturedata_height(this.__wbg_ptr);
    return ret >>> 0;
  }
  /**
   * Creates a new texture data object with the underlying data, width, and height.
   * @param {Uint32Array} data
   * @param {number} width
   * @param {number} height
   * @returns {TextureData}
   */
  static new(data, width, height) {
    const ptr0 = passArray32ToWasm0(data, wasm.__wbindgen_malloc);
    const len0 = WASM_VECTOR_LEN;
    const ret = wasm.texturedata_new(ptr0, len0, width, height);
    return _TextureData.__wrap(ret);
  }
};
async function __wbg_load(module, imports) {
  if (typeof Response === "function" && module instanceof Response) {
    if (typeof WebAssembly.instantiateStreaming === "function") {
      try {
        return await WebAssembly.instantiateStreaming(module, imports);
      } catch (e) {
        if (module.headers.get("Content-Type") != "application/wasm") {
          console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve Wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
        } else {
          throw e;
        }
      }
    }
    const bytes = await module.arrayBuffer();
    return await WebAssembly.instantiate(bytes, imports);
  } else {
    const instance = await WebAssembly.instantiate(module, imports);
    if (instance instanceof WebAssembly.Instance) {
      return { instance, module };
    } else {
      return instance;
    }
  }
}
function __wbg_get_imports() {
  const imports = {};
  imports.wbg = {};
  imports.wbg.__wbg_buffer_609cc3eee51ed158 = function(arg0) {
    const ret = arg0.buffer;
    return ret;
  };
  imports.wbg.__wbg_length_3b4f022188ae8db6 = function(arg0) {
    const ret = arg0.length;
    return ret;
  };
  imports.wbg.__wbg_length_a446193dc22c12f8 = function(arg0) {
    const ret = arg0.length;
    return ret;
  };
  imports.wbg.__wbg_new_780abee5c1739fd7 = function(arg0) {
    const ret = new Float32Array(arg0);
    return ret;
  };
  imports.wbg.__wbg_new_a12002a7f91c75be = function(arg0) {
    const ret = new Uint8Array(arg0);
    return ret;
  };
  imports.wbg.__wbg_new_e3b321dcfef89fc7 = function(arg0) {
    const ret = new Uint32Array(arg0);
    return ret;
  };
  imports.wbg.__wbg_newwithbyteoffsetandlength_f1dead44d1fc7212 = function(arg0, arg1, arg2) {
    const ret = new Uint32Array(arg0, arg1 >>> 0, arg2 >>> 0);
    return ret;
  };
  imports.wbg.__wbg_set_10bad9bee0e9c58b = function(arg0, arg1, arg2) {
    arg0.set(arg1, arg2 >>> 0);
  };
  imports.wbg.__wbg_set_65595bdd868b3009 = function(arg0, arg1, arg2) {
    arg0.set(arg1, arg2 >>> 0);
  };
  imports.wbg.__wbindgen_init_externref_table = function() {
    const table = wasm.__wbindgen_export_0;
    const offset = table.grow(4);
    table.set(0, void 0);
    table.set(offset + 0, void 0);
    table.set(offset + 1, null);
    table.set(offset + 2, true);
    table.set(offset + 3, false);
    ;
  };
  imports.wbg.__wbindgen_memory = function() {
    const ret = wasm.memory;
    return ret;
  };
  imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
    const ret = getStringFromWasm0(arg0, arg1);
    return ret;
  };
  imports.wbg.__wbindgen_throw = function(arg0, arg1) {
    throw new Error(getStringFromWasm0(arg0, arg1));
  };
  return imports;
}
function __wbg_init_memory(imports, memory) {
}
function __wbg_finalize_init(instance, module) {
  wasm = instance.exports;
  __wbg_init.__wbindgen_wasm_module = module;
  cachedUint32ArrayMemory0 = null;
  cachedUint8ArrayMemory0 = null;
  wasm.__wbindgen_start();
  return wasm;
}
function initSync(module) {
  if (wasm !== void 0) return wasm;
  if (typeof module !== "undefined") {
    if (Object.getPrototypeOf(module) === Object.prototype) {
      ({ module } = module);
    } else {
      console.warn("using deprecated parameters for `initSync()`; pass a single object instead");
    }
  }
  const imports = __wbg_get_imports();
  __wbg_init_memory(imports);
  if (!(module instanceof WebAssembly.Module)) {
    module = new WebAssembly.Module(module);
  }
  const instance = new WebAssembly.Instance(module, imports);
  return __wbg_finalize_init(instance, module);
}
async function __wbg_init(module_or_path) {
  if (wasm !== void 0) return wasm;
  if (typeof module_or_path !== "undefined") {
    if (Object.getPrototypeOf(module_or_path) === Object.prototype) {
      ({ module_or_path } = module_or_path);
    } else {
      console.warn("using deprecated parameters for the initialization function; pass a single object instead");
    }
  }
  if (typeof module_or_path === "undefined") {
    module_or_path = new URL("wasm_splats_bg.wasm", import.meta.url);
  }
  const imports = __wbg_get_imports();
  if (typeof module_or_path === "string" || typeof Request === "function" && module_or_path instanceof Request || typeof URL === "function" && module_or_path instanceof URL) {
    module_or_path = fetch(module_or_path);
  }
  __wbg_init_memory(imports);
  const { instance, module } = await __wbg_load(await module_or_path, imports);
  return __wbg_finalize_init(instance, module);
}

export {
  generate_splat_texture,
  radix_sort_gaussians_indexes,
  initSync
};