OXYGENHUB
# 6246d1e51f4f oxygenhub / assets / backdrop / backdrop.js
26.2 KiB · JavaScript · last changed feat(web): the mark, ripples, the swarm and adrift (closes #167) 23 days ago source blame history raw
1 
/**
2 
 * Start a backdrop on `canvas` with the page's `data`: the scene it names
3 
 * (docs/backgrounds.md §2), the dashboard's sky by default. `still`
4 
 * is the viewer's choice of a still backdrop; reduced motion asks for
5 
 * one too. Without WebGL2 there is no backdrop, and nothing breaks.
6 
 * @param {HTMLCanvasElement} canvas
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 * @param {any} data
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 * @param {boolean} still
9 
 */
10 
export function start(canvas, data, still) {
11 
    const ret = wasm.start(canvas, data, still);
12 
    if (ret[1]) {
13 
        throw takeFromExternrefTable0(ret[0]);
14 
    }
15 
}
16 
function __wbg_get_imports() {
17 
    const import0 = {
18 
        __proto__: null,
19 
        __wbg___wbindgen_boolean_get_5b446f51afd21013: function(arg0) {
20 
            const v = arg0;
21 
            const ret = typeof(v) === 'boolean' ? v : undefined;
22 
            return isLikeNone(ret) ? 0xFFFFFF : ret ? 1 : 0;
23 
        },
24 
        __wbg___wbindgen_is_undefined_8865fb403f8fe9d8: function(arg0) {
25 
            const ret = arg0 === undefined;
26 
            return ret;
27 
        },
28 
        __wbg___wbindgen_number_get_2e0e7dee9f701a71: function(arg0, arg1) {
29 
            const obj = arg1;
30 
            const ret = typeof(obj) === 'number' ? obj : undefined;
31 
            getDataViewMemory0().setFloat64(arg0 + 8 * 1, isLikeNone(ret) ? 0 : ret, true);
32 
            getDataViewMemory0().setInt32(arg0 + 4 * 0, !isLikeNone(ret), true);
33 
        },
34 
        __wbg___wbindgen_string_get_0380ccaa2f57f0d9: function(arg0, arg1) {
35 
            const obj = arg1;
36 
            const ret = typeof(obj) === 'string' ? obj : undefined;
37 
            var ptr1 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
38 
            var len1 = WASM_VECTOR_LEN;
39 
            getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
40 
            getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
41 
        },
42 
        __wbg___wbindgen_throw_41e9ee4f547fc59a: function(arg0, arg1) {
43 
            throw new Error(getStringFromWasm0(arg0, arg1));
44 
        },
45 
        __wbg__wbg_cb_unref_dcc1a90847f04c41: function(arg0) {
46 
            arg0._wbg_cb_unref();
47 
        },
48 
        __wbg_addEventListener_4d0db17c671ea324: function() { return handleError(function (arg0, arg1, arg2, arg3) {
49 
            arg0.addEventListener(getStringFromWasm0(arg1, arg2), arg3);
50 
        }, arguments); },
51 
        __wbg_appendChild_fb8c52e7dd8484ea: function() { return handleError(function (arg0, arg1) {
52 
            const ret = arg0.appendChild(arg1);
53 
            return ret;
54 
        }, arguments); },
55 
        __wbg_attachShader_9567ae57af6746d5: function(arg0, arg1, arg2) {
56 
            arg0.attachShader(arg1, arg2);
57 
        },
58 
        __wbg_bindBuffer_0324f62b876c4403: function(arg0, arg1, arg2) {
59 
            arg0.bindBuffer(arg1 >>> 0, arg2);
60 
        },
61 
        __wbg_bindVertexArray_f58af0a346185ec5: function(arg0, arg1) {
62 
            arg0.bindVertexArray(arg1);
63 
        },
64 
        __wbg_blendFunc_589e4252bb396484: function(arg0, arg1, arg2) {
65 
            arg0.blendFunc(arg1 >>> 0, arg2 >>> 0);
66 
        },
67 
        __wbg_body_e549239eaff082e1: function(arg0) {
68 
            const ret = arg0.body;
69 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
70 
        },
71 
        __wbg_bufferData_5fa44d94fe7a3878: function(arg0, arg1, arg2, arg3) {
72 
            arg0.bufferData(arg1 >>> 0, arg2, arg3 >>> 0);
73 
        },
74 
        __wbg_clearColor_796427e8ac60fe14: function(arg0, arg1, arg2, arg3, arg4) {
75 
            arg0.clearColor(arg1, arg2, arg3, arg4);
76 
        },
77 
        __wbg_clear_cb96796cc568b7c8: function(arg0, arg1) {
78 
            arg0.clear(arg1 >>> 0);
79 
        },
80 
        __wbg_clientX_5075231ed45e8ef5: function(arg0) {
81 
            const ret = arg0.clientX;
82 
            return ret;
83 
        },
84 
        __wbg_clientY_846c39814ce02ab2: function(arg0) {
85 
            const ret = arg0.clientY;
86 
            return ret;
87 
        },
88 
        __wbg_compileShader_c2b53ff3a8851f60: function(arg0, arg1) {
89 
            arg0.compileShader(arg1);
90 
        },
91 
        __wbg_createBuffer_ffe613371d42cfd3: function(arg0) {
92 
            const ret = arg0.createBuffer();
93 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
94 
        },
95 
        __wbg_createElement_74049073a11f9c31: function() { return handleError(function (arg0, arg1, arg2) {
96 
            const ret = arg0.createElement(getStringFromWasm0(arg1, arg2));
97 
            return ret;
98 
        }, arguments); },
99 
        __wbg_createProgram_cbf448e6f18a9402: function(arg0) {
100 
            const ret = arg0.createProgram();
101 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
102 
        },
103 
        __wbg_createShader_6c1a2295587878a5: function(arg0, arg1) {
104 
            const ret = arg0.createShader(arg1 >>> 0);
105 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
106 
        },
107 
        __wbg_createVertexArray_b223ea69dd08fcab: function(arg0) {
108 
            const ret = arg0.createVertexArray();
109 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
110 
        },
111 
        __wbg_devicePixelRatio_7d39e9af5448d3d4: function(arg0) {
112 
            const ret = arg0.devicePixelRatio;
113 
            return ret;
114 
        },
115 
        __wbg_document_9854e03c05fc8834: function(arg0) {
116 
            const ret = arg0.document;
117 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
118 
        },
119 
        __wbg_drawArraysInstanced_9b44aa78a087154d: function(arg0, arg1, arg2, arg3, arg4) {
120 
            arg0.drawArraysInstanced(arg1 >>> 0, arg2, arg3, arg4);
121 
        },
122 
        __wbg_drawArrays_08872e02fb57b847: function(arg0, arg1, arg2, arg3) {
123 
            arg0.drawArrays(arg1 >>> 0, arg2, arg3);
124 
        },
125 
        __wbg_enableVertexAttribArray_d52693866bc8b8dd: function(arg0, arg1) {
126 
            arg0.enableVertexAttribArray(arg1 >>> 0);
127 
        },
128 
        __wbg_enable_cb4fc19b51148c37: function(arg0, arg1) {
129 
            arg0.enable(arg1 >>> 0);
130 
        },
131 
        __wbg_from_296ca31f8d0f1c52: function(arg0) {
132 
            const ret = Array.from(arg0);
133 
            return ret;
134 
        },
135 
        __wbg_getBoundingClientRect_57152b1a20f3de34: function(arg0) {
136 
            const ret = arg0.getBoundingClientRect();
137 
            return ret;
138 
        },
139 
        __wbg_getComputedStyle_dd0f456804795fd6: function() { return handleError(function (arg0, arg1) {
140 
            const ret = arg0.getComputedStyle(arg1);
141 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
142 
        }, arguments); },
143 
        __wbg_getContext_051324720aa5b7e8: function() { return handleError(function (arg0, arg1, arg2, arg3) {
144 
            const ret = arg0.getContext(getStringFromWasm0(arg1, arg2), arg3);
145 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
146 
        }, arguments); },
147 
        __wbg_getProgramInfoLog_3276b294d6d42fe2: function(arg0, arg1, arg2) {
148 
            const ret = arg1.getProgramInfoLog(arg2);
149 
            var ptr1 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
150 
            var len1 = WASM_VECTOR_LEN;
151 
            getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
152 
            getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
153 
        },
154 
        __wbg_getProgramParameter_fc7124bb9fb7c675: function(arg0, arg1, arg2) {
155 
            const ret = arg0.getProgramParameter(arg1, arg2 >>> 0);
156 
            return ret;
157 
        },
158 
        __wbg_getPropertyValue_e90a3628c2de4fb6: function() { return handleError(function (arg0, arg1, arg2, arg3) {
159 
            const ret = arg1.getPropertyValue(getStringFromWasm0(arg2, arg3));
160 
            const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
161 
            const len1 = WASM_VECTOR_LEN;
162 
            getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
163 
            getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
164 
        }, arguments); },
165 
        __wbg_getShaderInfoLog_7e0cbba353ca95da: function(arg0, arg1, arg2) {
166 
            const ret = arg1.getShaderInfoLog(arg2);
167 
            var ptr1 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
168 
            var len1 = WASM_VECTOR_LEN;
169 
            getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
170 
            getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
171 
        },
172 
        __wbg_getShaderParameter_745acf10b8e45e31: function(arg0, arg1, arg2) {
173 
            const ret = arg0.getShaderParameter(arg1, arg2 >>> 0);
174 
            return ret;
175 
        },
176 
        __wbg_getUniformLocation_50ba45dade572703: function(arg0, arg1, arg2, arg3) {
177 
            const ret = arg0.getUniformLocation(arg1, getStringFromWasm0(arg2, arg3));
178 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
179 
        },
180 
        __wbg_get_31af05bd4842a84f: function() { return handleError(function (arg0, arg1) {
181 
            const ret = Reflect.get(arg0, arg1);
182 
            return ret;
183 
        }, arguments); },
184 
        __wbg_get_6c896e0571ddae51: function(arg0, arg1) {
185 
            const ret = arg0[arg1 >>> 0];
186 
            return ret;
187 
        },
188 
        __wbg_get_unchecked_288889d017702237: function(arg0, arg1) {
189 
            const ret = arg0[arg1 >>> 0];
190 
            return ret;
191 
        },
192 
        __wbg_hidden_2ba371ecafe013fa: function(arg0) {
193 
            const ret = arg0.hidden;
194 
            return ret;
195 
        },
196 
        __wbg_innerHeight_7f20e0f1a7c5a573: function() { return handleError(function (arg0) {
197 
            const ret = arg0.innerHeight;
198 
            return ret;
199 
        }, arguments); },
200 
        __wbg_innerWidth_1bc526614080537c: function() { return handleError(function (arg0) {
201 
            const ret = arg0.innerWidth;
202 
            return ret;
203 
        }, arguments); },
204 
        __wbg_instanceof_HtmlElement_32fb153a5a0e2349: function(arg0) {
205 
            let result;
206 
            try {
207 
                result = arg0 instanceof HTMLElement;
208 
            } catch (_) {
209 
                result = false;
210 
            }
211 
            const ret = result;
212 
            return ret;
213 
        },
214 
        __wbg_instanceof_WebGl2RenderingContext_64c994c14c0790fb: function(arg0) {
215 
            let result;
216 
            try {
217 
                result = arg0 instanceof WebGL2RenderingContext;
218 
            } catch (_) {
219 
                result = false;
220 
            }
221 
            const ret = result;
222 
            return ret;
223 
        },
224 
        __wbg_instanceof_Window_82d71df4eddf88bc: function(arg0) {
225 
            let result;
226 
            try {
227 
                result = arg0 instanceof Window;
228 
            } catch (_) {
229 
                result = false;
230 
            }
231 
            const ret = result;
232 
            return ret;
233 
        },
234 
        __wbg_left_e0a244490fe2f293: function(arg0) {
235 
            const ret = arg0.left;
236 
            return ret;
237 
        },
238 
        __wbg_length_d4bdea10311bd9cf: function(arg0) {
239 
            const ret = arg0.length;
240 
            return ret;
241 
        },
242 
        __wbg_linkProgram_acdc299c43d734a0: function(arg0, arg1) {
243 
            arg0.linkProgram(arg1);
244 
        },
245 
        __wbg_matchMedia_8a4857f947f11f82: function() { return handleError(function (arg0, arg1, arg2) {
246 
            const ret = arg0.matchMedia(getStringFromWasm0(arg1, arg2));
247 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
248 
        }, arguments); },
249 
        __wbg_matches_778d0873b064b1bf: function(arg0) {
250 
            const ret = arg0.matches;
251 
            return ret;
252 
        },
253 
        __wbg_new_617a8cdb8bb1130e: function() {
254 
            const ret = new Object();
255 
            return ret;
256 
        },
257 
        __wbg_now_d0b7f4bea9f38490: function(arg0) {
258 
            const ret = arg0.now();
259 
            return ret;
260 
        },
261 
        __wbg_performance_d0d7b03fc649b694: function(arg0) {
262 
            const ret = arg0.performance;
263 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
264 
        },
265 
        __wbg_querySelector_ecbc2550705b235f: function() { return handleError(function (arg0, arg1, arg2) {
266 
            const ret = arg0.querySelector(getStringFromWasm0(arg1, arg2));
267 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
268 
        }, arguments); },
269 
        __wbg_relatedTarget_520fe88b1de28b43: function(arg0) {
270 
            const ret = arg0.relatedTarget;
271 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
272 
        },
273 
        __wbg_requestAnimationFrame_7b526ab7aa550c74: function() { return handleError(function (arg0, arg1) {
274 
            const ret = arg0.requestAnimationFrame(arg1);
275 
            return ret;
276 
        }, arguments); },
277 
        __wbg_right_1dca6be6342de981: function(arg0) {
278 
            const ret = arg0.right;
279 
            return ret;
280 
        },
281 
        __wbg_setAttribute_9e7d603908f63705: function() { return handleError(function (arg0, arg1, arg2, arg3, arg4) {
282 
            arg0.setAttribute(getStringFromWasm0(arg1, arg2), getStringFromWasm0(arg3, arg4));
283 
        }, arguments); },
284 
        __wbg_setProperty_097bc3d55ce44513: function() { return handleError(function (arg0, arg1, arg2, arg3, arg4) {
285 
            arg0.setProperty(getStringFromWasm0(arg1, arg2), getStringFromWasm0(arg3, arg4));
286 
        }, arguments); },
287 
        __wbg_set_145a351398b48c65: function() { return handleError(function (arg0, arg1, arg2) {
288 
            const ret = Reflect.set(arg0, arg1, arg2);
289 
            return ret;
290 
        }, arguments); },
291 
        __wbg_set_className_541fce5cd31918aa: function(arg0, arg1, arg2) {
292 
            arg0.className = getStringFromWasm0(arg1, arg2);
293 
        },
294 
        __wbg_set_height_c9789c1c77eaedff: function(arg0, arg1) {
295 
            arg0.height = arg1 >>> 0;
296 
        },
297 
        __wbg_set_textContent_6d6fc559f198055f: function(arg0, arg1, arg2) {
298 
            arg0.textContent = arg1 === 0 ? undefined : getStringFromWasm0(arg1, arg2);
299 
        },
300 
        __wbg_set_width_b0e1267db4b196b5: function(arg0, arg1) {
301 
            arg0.width = arg1 >>> 0;
302 
        },
303 
        __wbg_shaderSource_c8812639b47d87b9: function(arg0, arg1, arg2, arg3) {
304 
            arg0.shaderSource(arg1, getStringFromWasm0(arg2, arg3));
305 
        },
306 
        __wbg_static_accessor_GLOBAL_266715b9d96ba635: function() {
307 
            const ret = typeof global === 'undefined' ? null : global;
308 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
309 
        },
310 
        __wbg_static_accessor_GLOBAL_THIS_10fb7dc1ae063179: function() {
311 
            const ret = typeof globalThis === 'undefined' ? null : globalThis;
312 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
313 
        },
314 
        __wbg_static_accessor_SELF_0b583911f537483a: function() {
315 
            const ret = typeof self === 'undefined' ? null : self;
316 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
317 
        },
318 
        __wbg_static_accessor_WINDOW_d7f903d1508cbdc4: function() {
319 
            const ret = typeof window === 'undefined' ? null : window;
320 
            return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
321 
        },
322 
        __wbg_style_4bce24230e493a7c: function(arg0) {
323 
            const ret = arg0.style;
324 
            return ret;
325 
        },
326 
        __wbg_uniform2f_a92b5bb95dc5b4d9: function(arg0, arg1, arg2, arg3) {
327 
            arg0.uniform2f(arg1, arg2, arg3);
328 
        },
329 
        __wbg_useProgram_e075c2902e420761: function(arg0, arg1) {
330 
            arg0.useProgram(arg1);
331 
        },
332 
        __wbg_vertexAttribDivisor_7575d382215322f7: function(arg0, arg1, arg2) {
333 
            arg0.vertexAttribDivisor(arg1 >>> 0, arg2 >>> 0);
334 
        },
335 
        __wbg_vertexAttribPointer_24b495e18df325dc: function(arg0, arg1, arg2, arg3, arg4, arg5, arg6) {
336 
            arg0.vertexAttribPointer(arg1 >>> 0, arg2, arg3 >>> 0, arg4 !== 0, arg5, arg6);
337 
        },
338 
        __wbg_viewport_16936692526e2ce6: function(arg0, arg1, arg2, arg3, arg4) {
339 
            arg0.viewport(arg1, arg2, arg3, arg4);
340 
        },
341 
        __wbindgen_generic_0000000000000001: function(arg0, arg1) {
342 
            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [F64], shim_idx: 6, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
343 
            const ret = makeMutClosure(arg0, arg1, wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke___f64______true_);
344 
            return ret;
345 
        },
346 
        __wbindgen_generic_0000000000000002: function(arg0, arg1) {
347 
            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("MouseEvent")], shim_idx: 5, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
348 
            const ret = makeMutClosure(arg0, arg1, wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke___web_sys_793942649ef82f98___features__gen_MouseEvent__MouseEvent______true_);
349 
            return ret;
350 
        },
351 
        __wbindgen_generic_0000000000000003: function(arg0, arg1) {
352 
            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 4, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
353 
            const ret = makeMutClosure(arg0, arg1, wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke_______true_);
354 
            return ret;
355 
        },
356 
        __wbindgen_generic_0000000000000004: function(arg0, arg1) {
357 
            // Cast intrinsic for `Ref(Slice(F32)) -> NamedExternref("Float32Array")`.
358 
            const ret = getArrayF32FromWasm0(arg0, arg1);
359 
            return ret;
360 
        },
361 
        __wbindgen_generic_0000000000000005: function(arg0, arg1) {
362 
            // Cast intrinsic for `Ref(String) -> Externref`.
363 
            const ret = getStringFromWasm0(arg0, arg1);
364 
            return ret;
365 
        },
366 
        __wbindgen_init_externref_table: function() {
367 
            const table = wasm.__wbindgen_externrefs;
368 
            const offset = table.grow(4);
369 
            table.set(0, undefined);
370 
            table.set(offset + 0, undefined);
371 
            table.set(offset + 1, null);
372 
            table.set(offset + 2, true);
373 
            table.set(offset + 3, false);
374 
        },
375 
    };
376 
    return {
377 
        __proto__: null,
378 
        "./backdrop_bg.js": import0,
379 
    };
380 
}
381
382 
function wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke_______true_(arg0, arg1) {
383 
    wasm.wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke_______true_(arg0, arg1);
384 
}
385
386 
function wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke___web_sys_793942649ef82f98___features__gen_MouseEvent__MouseEvent______true_(arg0, arg1, arg2) {
387 
    wasm.wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke___web_sys_793942649ef82f98___features__gen_MouseEvent__MouseEvent______true_(arg0, arg1, arg2);
388 
}
389
390 
function wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke___f64______true_(arg0, arg1, arg2) {
391 
    wasm.wasm_bindgen_ef67fbc5f0a8b406___convert__closures_____invoke___f64______true_(arg0, arg1, arg2);
392 
}
393
394 
function addToExternrefTable0(obj) {
395 
    const idx = wasm.__externref_table_alloc();
396 
    wasm.__wbindgen_externrefs.set(idx, obj);
397 
    return idx;
398 
}
399
400 
const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
401 
    ? { register: () => {}, unregister: () => {} }
402 
    : new FinalizationRegistry(state => wasm.__wbindgen_destroy_closure(state.a, state.b));
403
404 
function getArrayF32FromWasm0(ptr, len) {
405 
    ptr = ptr >>> 0;
406 
    return getFloat32ArrayMemory0().subarray(ptr / 4, ptr / 4 + len);
407 
}
408
409 
let cachedDataViewMemory0 = null;
410 
function getDataViewMemory0() {
411 
    if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
412 
        cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
413 
    }
414 
    return cachedDataViewMemory0;
415 
}
416
417 
let cachedFloat32ArrayMemory0 = null;
418 
function getFloat32ArrayMemory0() {
419 
    if (cachedFloat32ArrayMemory0 === null || cachedFloat32ArrayMemory0.byteLength === 0) {
420 
        cachedFloat32ArrayMemory0 = new Float32Array(wasm.memory.buffer);
421 
    }
422 
    return cachedFloat32ArrayMemory0;
423 
}
424
425 
function getStringFromWasm0(ptr, len) {
426 
    return decodeText(ptr >>> 0, len);
427 
}
428
429 
let cachedUint8ArrayMemory0 = null;
430 
function getUint8ArrayMemory0() {
431 
    if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
432 
        cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
433 
    }
434 
    return cachedUint8ArrayMemory0;
435 
}
436
437 
function handleError(f, args) {
438 
    try {
439 
        return f.apply(this, args);
440 
    } catch (e) {
441 
        const idx = addToExternrefTable0(e);
442 
        wasm.__wbindgen_exn_store(idx);
443 
    }
444 
}
445
446 
function isLikeNone(x) {
447 
    return x === undefined || x === null;
448 
}
449
450 
function makeMutClosure(arg0, arg1, f) {
451 
    const state = { a: arg0, b: arg1, cnt: 1 };
452 
    const real = (...args) => {
453
454 
        // First up with a closure we increment the internal reference
455 
        // count. This ensures that the Rust closure environment won't
456 
        // be deallocated while we're invoking it.
457 
        state.cnt++;
458 
        const a = state.a;
459 
        state.a = 0;
460 
        try {
461 
            return f(a, state.b, ...args);
462 
        } finally {
463 
            state.a = a;
464 
            real._wbg_cb_unref();
465 
        }
466 
    };
467 
    real._wbg_cb_unref = () => {
468 
        if (--state.cnt === 0) {
469 
            wasm.__wbindgen_destroy_closure(state.a, state.b);
470 
            state.a = 0;
471 
            CLOSURE_DTORS.unregister(state);
472 
        }
473 
    };
474 
    CLOSURE_DTORS.register(real, state, state);
475 
    return real;
476 
}
477
478 
function passStringToWasm0(arg, malloc, realloc) {
479 
    if (realloc === undefined) {
480 
        const buf = cachedTextEncoder.encode(arg);
481 
        const ptr = malloc(buf.length, 1) >>> 0;
482 
        getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);
483 
        WASM_VECTOR_LEN = buf.length;
484 
        return ptr;
485 
    }
486
487 
    let len = arg.length;
488 
    let ptr = malloc(len, 1) >>> 0;
489
490 
    const mem = getUint8ArrayMemory0();
491
492 
    let offset = 0;
493
494 
    for (; offset < len; offset++) {
495 
        const code = arg.charCodeAt(offset);
496 
        if (code > 0x7F) break;
497 
        mem[ptr + offset] = code;
498 
    }
499 
    if (offset !== len) {
500 
        if (offset !== 0) {
501 
            arg = arg.slice(offset);
502 
        }
503 
        ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
504 
        const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
505 
        const ret = cachedTextEncoder.encodeInto(arg, view);
506
507 
        offset += ret.written;
508 
        ptr = realloc(ptr, len, offset, 1) >>> 0;
509 
    }
510
511 
    WASM_VECTOR_LEN = offset;
512 
    return ptr;
513 
}
514
515 
function takeFromExternrefTable0(idx) {
516 
    const value = wasm.__wbindgen_externrefs.get(idx);
517 
    wasm.__externref_table_dealloc(idx);
518 
    return value;
519 
}
520
521 
let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
522 
cachedTextDecoder.decode();
523 
const MAX_SAFARI_DECODE_BYTES = 2146435072;
524 
let numBytesDecoded = 0;
525 
function decodeText(ptr, len) {
526 
    numBytesDecoded += len;
527 
    if (numBytesDecoded >= MAX_SAFARI_DECODE_BYTES) {
528 
        cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
529 
        cachedTextDecoder.decode();
530 
        numBytesDecoded = len;
531 
    }
532 
    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
533 
}
534
535 
const cachedTextEncoder = new TextEncoder();
536
537 
if (!('encodeInto' in cachedTextEncoder)) {
538 
    cachedTextEncoder.encodeInto = function (arg, view) {
539 
        const buf = cachedTextEncoder.encode(arg);
540 
        view.set(buf);
541 
        return {
542 
            read: arg.length,
543 
            written: buf.length
544 
        };
545 
    };
546 
}
547
548 
let WASM_VECTOR_LEN = 0;
549
550 
let wasmModule, wasmInstance, wasm;
551 
function __wbg_finalize_init(instance, module) {
552 
    wasmInstance = instance;
553 
    wasm = instance.exports;
554 
    wasmModule = module;
555 
    cachedDataViewMemory0 = null;
556 
    cachedFloat32ArrayMemory0 = null;
557 
    cachedUint8ArrayMemory0 = null;
558 
    wasm.__wbindgen_start();
559 
    return wasm;
560 
}
561
562 
async function __wbg_load(module, imports) {
563 
    if (typeof Response === 'function' && module instanceof Response) {
564 
        if (!module.ok) {
565 
            throw new Error(`failed to fetch Wasm: ${module.status} ${module.statusText} fetching '${module.url}'`);
566 
        }
567
568 
        if (typeof WebAssembly.instantiateStreaming === 'function') {
569 
            try {
570 
                return await WebAssembly.instantiateStreaming(module, imports);
571 
            } catch (e) {
572 
                const validResponse = expectedResponseType(module.type);
573
574 
                if (validResponse && module.headers.get('Content-Type') !== 'application/wasm') {
575 
                    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);
576
577 
                } else { throw e; }
578 
            }
579 
        }
580
581 
        const bytes = await module.arrayBuffer();
582 
        return await WebAssembly.instantiate(bytes, imports);
583 
    } else {
584 
        const instance = await WebAssembly.instantiate(module, imports);
585
586 
        if (instance instanceof WebAssembly.Instance) {
587 
            return { instance, module };
588 
        } else {
589 
            return instance;
590 
        }
591 
    }
592
593 
    function expectedResponseType(type) {
594 
        switch (type) {
595 
            case 'basic': case 'cors': case 'default': return true;
596 
        }
597 
        return false;
598 
    }
599 
}
600
601 
function initSync(module) {
602 
    if (wasm !== undefined) return wasm;
603
604
605 
    if (module !== undefined) {
606 
        if (Object.getPrototypeOf(module) === Object.prototype) {
607 
            ({module} = module)
608 
        } else {
609 
            console.warn('using deprecated parameters for `initSync()`; pass a single object instead')
610 
        }
611 
    }
612
613 
    const imports = __wbg_get_imports();
614 
    if (!(module instanceof WebAssembly.Module)) {
615 
        module = new WebAssembly.Module(module);
616 
    }
617 
    const instance = new WebAssembly.Instance(module, imports);
618 
    return __wbg_finalize_init(instance, module);
619 
}
620
621 
async function __wbg_init(module_or_path) {
622 
    if (wasm !== undefined) return wasm;
623
624
625 
    if (module_or_path !== undefined) {
626 
        if (Object.getPrototypeOf(module_or_path) === Object.prototype) {
627 
            ({module_or_path} = module_or_path)
628 
        } else {
629 
            console.warn('using deprecated parameters for the initialization function; pass a single object instead')
630 
        }
631 
    }
632
633 
    if (module_or_path === undefined) {
634 
        module_or_path = new URL('backdrop_bg.wasm', import.meta.url);
635 
    }
636 
    const imports = __wbg_get_imports();
637
638 
    if (typeof module_or_path === 'string' || (typeof Request === 'function' && module_or_path instanceof Request) || (typeof URL === 'function' && module_or_path instanceof URL)) {
639 
        module_or_path = fetch(module_or_path);
640 
    }
641
642 
    const { instance, module } = await __wbg_load(await module_or_path, imports);
643
644 
    return __wbg_finalize_init(instance, module);
645 
}
646
647 
export { initSync, __wbg_init as default };