mirror of
https://github.com/webgpu/webgpufundamentals.git
synced 2026-05-16 05:41:01 -04:00
73 lines
1.7 KiB
HTML
73 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<title>WebGPU Debugging - getCompilationInfo</title>
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<style>
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@import url(resources/webgpu-lesson.css);
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</style>
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</head>
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<body>
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</body>
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<script type="module">
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async function main() {
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const adapter = await navigator.gpu?.requestAdapter();
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const device = await adapter?.requestDevice();
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if (!device) {
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fail('need a browser that supports WebGPU');
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return;
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}
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device.pushErrorScope('validation');
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const code = `
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// This function
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// calls a function
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// that does not
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// exist.
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fn foo() -> vec3f {
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return someFunction(1, 2);
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}
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`;
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const module = device.createShaderModule({ code });
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device.popErrorScope().then(async error => {
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if (error) {
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const info = await module.getCompilationInfo();
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// Split the code into lines
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const lines = code.split('\n');
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// Sort the messages by line numbers in reverse order
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// so that as we insert the messages they won't affect
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// the line numbers.
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const msgs = [...info.messages].sort((a, b) => b.lineNum - a.lineNum);
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// Insert the error messages between lines
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for (const msg of msgs) {
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lines.splice(msg.lineNum, 0,
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`${''.padEnd(msg.linePos - 1)}${''.padEnd(msg.length, '^')}`,
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msg.message,
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);
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}
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log(lines.join('\n'));
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}
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});
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}
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function fail(msg) {
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// eslint-disable-next-line no-alert
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alert(msg);
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}
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function log(...args) {
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const elem = document.createElement('pre');
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elem.textContent = args.join(' ');
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document.body.appendChild(elem);
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}
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main();
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</script>
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</html>
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