var encoder = require('./meshopt_encoder.js');
var decoder = require('./meshopt_decoder.js');
var { performance } = require('perf_hooks');
process.on('unhandledRejection', error => {
console.log('unhandledRejection', error);
process.exit(1);
});
function bytes(view) {
return new Uint8Array(view.buffer, view.byteOffset, view.byteLength);
}
var tests = {
roundtripVertexBuffer: function() {
var N = 1024*1024;
var data = new Uint8Array(N * 16);
for (var i = 0; i < N * 16; i += 4)
{
data[i + 0] = 0;
data[i + 1] = (i % 16) * 1;
data[i + 2] = (i % 16) * 2;
data[i + 3] = (i % 16) * 8;
}
var decoded = new Uint8Array(N * 16);
var t0 = performance.now();
var encoded = encoder.encodeVertexBuffer(data, N, 16);
var t1 = performance.now();
decoder.decodeVertexBuffer(decoded, N, 16, encoded);
var t2 = performance.now();
return { encodeVertex: t1 - t0, decodeVertex: t2 - t1, bytes: N * 16 };
},
roundtripIndexBuffer: function() {
var N = 1024*1024;
var data = new Uint32Array(N * 3);
for (var i = 0; i < N * 3; i += 6)
{
var v = i / 6;
data[i + 0] = v;
data[i + 1] = v + 1;
data[i + 2] = v + 2;
data[i + 3] = v + 2;
data[i + 4] = v + 1;
data[i + 5] = v + 3;
}
var decoded = new Uint32Array(data.length);
var t0 = performance.now();
var encoded = encoder.encodeIndexBuffer(bytes(data), data.length, 4);
var t1 = performance.now();
decoder.decodeIndexBuffer(bytes(decoded), data.length, 4, encoded);
var t2 = performance.now();
return { encodeIndex: t1 - t0, decodeIndex: t2 - t1, bytes: N * 12 };
},
};
Promise.all([encoder.ready, decoder.ready]).then(() => {
var reps = 10;
var data = {}
for (var key in tests) {
data[key] = tests[key]();
}
for (var i = 1; i < reps; ++i) {
for (var key in tests) {
var nd = tests[key]();
var od = data[key];
for (var idx in nd) {
od[idx] = Math.min(od[idx], nd[idx]);
}
}
}
for (var key in tests) {
var rep = key;
rep += ":\n";
for (var idx in data[key]) {
if (idx != "bytes") {
rep += idx;
rep += " ";
rep += data[key][idx];
rep += " ms (";
rep += data[key].bytes / 1024 / 1024 / 1024 / data[key][idx] * 1000;
rep += " GB/s)";
rep += "\n";
}
}
console.log(rep);
}
});