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<!doctype html>
<html lang="en-us">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"/>
    <title>Dear ImGui Emscripten+GLFW+WebGPU example</title>
    <style>

        body { margin: 0; background-color: black }

        .emscripten {

            position: absolute;

            top: 0px;

            left: 0px;

            margin: 0px;

            border: 0;

            width: 100%;

            height: 100%;

            overflow: hidden;

            display: block;

            image-rendering: optimizeSpeed;

            image-rendering: -moz-crisp-edges;

            image-rendering: -o-crisp-edges;

            image-rendering: -webkit-optimize-contrast;

            image-rendering: optimize-contrast;

            image-rendering: crisp-edges;

            image-rendering: pixelated;

            -ms-interpolation-mode: nearest-neighbor;

        }

    </style>
  </head>
  <body>
    <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()"></canvas>
    <script type='text/javascript'>

      var Module;

      (async () => {

        Module = {

          preRun: [],

          postRun: [],

          print: (function() {

              return function(text) {

                  text = Array.prototype.slice.call(arguments).join(' ');

                  console.log(text);

              };

          })(),

          printErr: function(text) {

              text = Array.prototype.slice.call(arguments).join(' ');

              console.error(text);

          },

          canvas: (function() {

              var canvas = document.getElementById('canvas');

              //canvas.addEventListener("webglcontextlost", function(e) { alert('FIXME: WebGL context lost, please reload the page'); e.preventDefault(); }, false);

              return canvas;

          })(),

          setStatus: function(text) {

              console.log("status: " + text);

          },

          monitorRunDependencies: function(left) {

              // no run dependencies to log

          }

        };

        window.onerror = function() {

          console.log("onerror: " + event);

        };



      // Initialize the graphics adapter

      {

          if (!navigator.gpu) {

            throw Error("WebGPU not supported.");

          }



          const adapter = await navigator.gpu.requestAdapter();

          const device = await adapter.requestDevice();

          Module.preinitializedWebGPUDevice = device;

      }



      {

          const js = document.createElement('script');

          js.async = true;

          js.src = "index.js";

          document.body.appendChild(js);

      }

      })();

    </script>
  </body>
</html>