gl-enable-vertex-attrib.html

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<!--

Copyright (c) 2019 The Khronos Group Inc.

Use of this source code is governed by an MIT-style license that can be

found in the LICENSE.txt file.

-->

<!DOCTYPE html>

<html>

  <head>

<meta charset="utf-8">

    <title>WebGL Enable Vertex Attrib Test</title>

    <link rel="stylesheet" href="../../resources/js-test-style.css"/>

    <script src="../../js/js-test-pre.js"></script>

    <script src="../../js/webgl-test-utils.js"> </script>

    <script src="../../js/tests/invalid-vertex-attrib-test.js"></script>

</head>

<body>

<canvas id="example" width="50" height="50">

</canvas>

<div id="description"></div>

<div id="console"></div>

<script>

"use strict";

description("tests that turning on attribs that have no buffer bound fails to draw");

const wtu = WebGLTestUtils;

const gl = wtu.create3DContext("example");

async function runInvalidAttribTests() {

    const invalidAttribTestFn = createInvalidAttribTestFn(gl);

    function drawArrays(gl) {

      gl.drawArrays(gl.TRIANGLES, 0, 6);

    function drawElements(gl) {

      gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_BYTE, 0);

    await invalidAttribTestFn(drawArrays);

    await invalidAttribTestFn(drawElements);

    finishTest();

runInvalidAttribTests();

var successfullyParsed = true;

</script>

</body>

</html>