gl-uniform-bool.html

Enable keyboard shortcuts

<!--

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 uniformMatrix Conformance Tests</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>

</head>

<body>

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

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

<canvas id="example" width="2" height="2"> </canvas>

    <script id="vshader" type="x-shader/x-vertex">

        attribute vec4 vPosition;

        void main()

            gl_Position = vPosition;

    </script>

    <script id="fshader" type="x-shader/x-fragment">

        uniform bool color;

        void main()

            gl_FragColor = vec4(float(color),0.0,0.0,1.0);

    </script>

<script>

"use strict";

description("This test ensures WebGL implementations handle bool uniforms in a OpenGL ES 2.0 spec compliant way");

debug("");

debug("NOTE: Some OpenGL drivers do not handle this correctly");

debug("");

debug("Checking gl.uniform1f with bool.");

var wtu = WebGLTestUtils;

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

var program = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition"]);

var loc = gl.getUniformLocation(program, "color");

gl.uniform1f(loc, 1);

wtu.glErrorShouldBe(gl, gl.NO_ERROR,

                "should be able to set bool with gl.uniform1f");

debug("");

var successfullyParsed = true;

</script>

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

</body>

</html>