@cesium/engine
Version:
CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.
281 lines (277 loc) • 9.39 kB
JavaScript
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.133.1
*
* 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
};