111 lines
3.9 KiB
HTML
111 lines
3.9 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>Skia+WebGPU compiled with Bazel</title>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script type="text/javascript" src="/build/hello-world.js"></script>
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<style>
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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width: 100%;
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height: 100%;
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margin: 0;
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padding: 0;
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background: #000;
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}
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p {
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color: white;
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font-family: sans-serif;
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}
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button {
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margin: 20px;
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color: white;
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background-color: black;
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border: none;
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text-decoration: none;
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font-size: 20px;
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cursor: pointer;
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}
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</style>
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</head>
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<body>
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<p id="log"></p>
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<canvas id="webgpu-demo-canvas" width=600 height=600></canvas>
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<div id="buttons">
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<button id="solid-color">Solid Color</button>
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<button id="gradient">Gradient</button>
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<button id="runtime-effect">Runtime Effect</button>
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</div>
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<script type="text/javascript" charset="utf-8">
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if (navigator.gpu) {
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log("WebGPU detected")
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WebGPUDemo();
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} else {
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log("No WebGPU support.")
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}
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function log(s) {
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document.getElementById("log").innerText = s;
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}
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async function WebGPUDemo() {
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const adapter = await navigator.gpu.requestAdapter();
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if (!adapter) {
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log("Could not load an adapter. For Chrome, try running with --enable-features=Vulkan --enable-unsafe-webgpu");
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return;
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}
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const device = await adapter.requestDevice();
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console.log(adapter, device);
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const wk = await WebGPUKitInit({locateFile: (file) => "/build/"+file});
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// https://github.com/emscripten-core/emscripten/issues/12750#issuecomment-725001907
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wk.preinitializedWebGPUDevice = device;
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const demo = new wk.Demo();
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if (!demo.init("#webgpu-demo-canvas", 600, 600)) {
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log("Failed to initialize Skia context");
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return;
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}
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let demoKind = wk.DemoKind.RUNTIME_EFFECT;
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demo.setKind(demoKind);
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document.getElementById("runtime-effect").style["text-decoration"] = "underline";
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document.getElementById("solid-color").onclick = function() {
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demoKind = wk.DemoKind.SOLID_COLOR;
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document.getElementById("solid-color").style["text-decoration"] = "underline";
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document.getElementById("gradient").style["text-decoration"] = "none";
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document.getElementById("runtime-effect").style["text-decoration"] = "none";
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};
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document.getElementById("gradient").onclick = function() {
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demoKind = wk.DemoKind.GRADIENT;
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document.getElementById("solid-color").style["text-decoration"] = "none";
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document.getElementById("gradient").style["text-decoration"] = "underline";
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document.getElementById("runtime-effect").style["text-decoration"] = "none";
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};
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document.getElementById("runtime-effect").onclick = function() {
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demoKind = wk.DemoKind.RUNTIME_EFFECT;
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document.getElementById("solid-color").style["text-decoration"] = "none";
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document.getElementById("gradient").style["text-decoration"] = "none";
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document.getElementById("runtime-effect").style["text-decoration"] = "underline";
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};
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let timestamp = 0;
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async function frame(now) {
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if (demoKind == wk.DemoKind.RUNTIME_EFFECT || timestamp == 0 || now - timestamp >= 1000) {
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timestamp = now;
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demo.setKind(demoKind);
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await demo.draw(timestamp);
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}
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requestAnimationFrame(frame);
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}
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requestAnimationFrame(frame);
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}
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</script>
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</body>
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</html>
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