42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
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import { newPrint } from '../../kiri/print.js';
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export const driver = {
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prepare,
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legacy: false
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};
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if (driver.legacy) {
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console.log("SLA Driver in Legacy Mode");
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}
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// runs in worker. would usually be in src/mode/sla/prepare.js
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// but the SLA driver skips the prepare step because there is no path routing
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async function prepare(widgets, settings, update) {
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self.worker.print = newPrint(settings, widgets);
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if (!driver.wasm) {
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fetch('/wasm/kiri-sla.wasm')
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.then(response => response.arrayBuffer())
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.then(bytes => WebAssembly.instantiate(bytes, {
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env: {
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reportf: (a,b) => { console.log('[f]',a,b) },
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reporti: (a,b) => { console.log('[i]',a,b) }
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}
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}))
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.then(results => {
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let {module, instance} = results;
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let {exports} = instance;
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let heap = new Uint8Array(exports.memory.buffer);
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driver.wasm = {
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heap,
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memory: exports.memory,
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render: exports.render,
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rle_encode: exports.rle_encode
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};
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});
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}
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update(1);
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}
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export { prepare };
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