mirror of
https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm.git
synced 2025-01-08 16:04:10 -08:00
103 lines
3.5 KiB
JavaScript
103 lines
3.5 KiB
JavaScript
/*
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* Copyright 2016 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var Benchmark = function() {
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function Benchmark(canvas) {
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this.canvas = canvas;
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this.instance = null;
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this.resultTableBody = document.getElementById("result-table-body");
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}
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Benchmark.prototype.load = function() {
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TeaVM.wasm.load("wasm/benchmark.wasm", {
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installImports: installImports.bind(this),
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}).then(teavm => {
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this.instance = teavm.instance;
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teavm.main();
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})
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};
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function installImports(o) {
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var canvas = this.canvas;
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o.benchmark = {
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performanceTime: function() { return window.performance.now() || 0; },
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reportPerformance: function(second, timeSpentComputing) {
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var row = document.createElement("tr");
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this.resultTableBody.appendChild(row);
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var secondCell = document.createElement("td");
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row.appendChild(secondCell);
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secondCell.appendChild(document.createTextNode(second.toString()));
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var timeCell = document.createElement("td");
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row.appendChild(timeCell);
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timeCell.appendChild(document.createTextNode(timeSpentComputing.toString()));
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}.bind(this),
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repeatAfter: function(time) {
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setTimeout(tick.bind(this), time);
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}.bind(this),
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setupCanvas: function() {
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canvas.fillStyle = "white";
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canvas.strokeStyle = "grey";
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canvas.fillRect(0, 0, 600, 600);
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canvas.translate(0, 600);
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canvas.scale(1, -1);
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canvas.scale(100, 100);
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canvas.lineWidth = 0.01;
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}
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};
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o.canvas = {
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save: function() {
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canvas.save();
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},
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restore: function() {
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canvas.restore();
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},
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beginPath: function() {
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canvas.beginPath();
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},
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closePath: function() {
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canvas.closePath();
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},
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stroke: function() {
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canvas.stroke();
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},
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moveTo: function(x, y) {
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canvas.moveTo(x, y);
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},
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lineTo: function(x, y) {
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canvas.lineTo(x, y);
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},
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translate: function(x, y) {
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canvas.translate(x, y);
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},
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rotate: function(angle) {
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canvas.rotate(angle);
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},
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arc: function(cx, cy, radius, startAngle, endAngle, counterClockwise) {
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canvas.arc(cx, cy, radius, startAngle, endAngle, counterClockwise);
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}
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};
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}
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function tick() {
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var exports = this.instance.exports;
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exports.tick();
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var exception = exports.teavm_catchException();
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if (exception !== 0) {
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console.log("Exception: " + exception);
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}
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}
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return Benchmark;
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}(); |