
This delegates loading of Wasm modules to Webpack itself, making wrapper code simpler. Emscripten-generated modules are still using custom loading glue as they're not compatible with Webpack.
47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
import * as wasm from './squooshhqx_bg.wasm';
|
|
|
|
let cachegetUint32Memory = null;
|
|
function getUint32Memory() {
|
|
if (cachegetUint32Memory === null || cachegetUint32Memory.buffer !== wasm.memory.buffer) {
|
|
cachegetUint32Memory = new Uint32Array(wasm.memory.buffer);
|
|
}
|
|
return cachegetUint32Memory;
|
|
}
|
|
|
|
let WASM_VECTOR_LEN = 0;
|
|
|
|
function passArray32ToWasm(arg) {
|
|
const ptr = wasm.__wbindgen_malloc(arg.length * 4);
|
|
getUint32Memory().set(arg, ptr / 4);
|
|
WASM_VECTOR_LEN = arg.length;
|
|
return ptr;
|
|
}
|
|
|
|
let cachegetInt32Memory = null;
|
|
function getInt32Memory() {
|
|
if (cachegetInt32Memory === null || cachegetInt32Memory.buffer !== wasm.memory.buffer) {
|
|
cachegetInt32Memory = new Int32Array(wasm.memory.buffer);
|
|
}
|
|
return cachegetInt32Memory;
|
|
}
|
|
|
|
function getArrayU32FromWasm(ptr, len) {
|
|
return getUint32Memory().subarray(ptr / 4, ptr / 4 + len);
|
|
}
|
|
/**
|
|
* @param {Uint32Array} input_image
|
|
* @param {number} input_width
|
|
* @param {number} input_height
|
|
* @param {number} factor
|
|
* @returns {Uint32Array}
|
|
*/
|
|
export function resize(input_image, input_width, input_height, factor) {
|
|
const retptr = 8;
|
|
const ret = wasm.resize(retptr, passArray32ToWasm(input_image), WASM_VECTOR_LEN, input_width, input_height, factor);
|
|
const memi32 = getInt32Memory();
|
|
const v0 = getArrayU32FromWasm(memi32[retptr / 4 + 0], memi32[retptr / 4 + 1]).slice();
|
|
wasm.__wbindgen_free(memi32[retptr / 4 + 0], memi32[retptr / 4 + 1] * 4);
|
|
return v0;
|
|
}
|
|
|