1355898-1.html - mozsearch

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<!doctype html>

<html>

  <head>

    <script>

// Test that texImage2D on an animated image doesn't assert.

var gl;

function start() {

  canvas = document.getElementById("glcanvas");

  gl = null;

  try {

    gl = canvas.getContext("webgl") || canvas.getContext("experimental-webgl");

  catch(e) {

  if (!gl) {

    return;

  var texture = gl.createTexture();

  var image = new Image();

  image.onload = function() { handleTextureLoaded(image, texture); }

  image.src = "1249576-1.png"; // an animated png

function handleTextureLoaded(image, texture) {

  gl.bindTexture(gl.TEXTURE_2D, texture);

  gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);

  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);

  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST);

  gl.generateMipmap(gl.TEXTURE_2D);

  gl.bindTexture(gl.TEXTURE_2D, null);

    </script>

  </head>

  <body onload="start()">

    <canvas id="glcanvas" width="640" height="480">

      Your browser doesn't appear to support the <code>&lt;canvas&gt;</code> element.

    </canvas>

  </body>

</html>