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<!--
Copyright (c) 2011 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL Unknown Uniform Conformance Test</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
<script src="../../resources/js-test-pre.js"></script>
<script src="../resources/webgl-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<canvas id="canvas" 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">
void main()
{
gl_FragColor = vec4(1.0,0.0,0.0,1.0);
}
</script>
<script>
description("Tests that unknown uniforms don't cause errors.");
debug("");
debug("Canvas.getContext");
var gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
if (!gl) {
testFailed("context does not exist");
} else {
testPassed("context exists");
debug("");
// Get the location of an unknown uniform.
var loc = gl.getUniformLocation(gl.program, "someUnknownUniform");
assertMsg(loc === null, "location of unknown uniform should be null");
glErrorShouldBe(gl, gl.NO_ERROR,
"there should be no error from getting an unknown uniform");
gl.uniform1f(loc, 1);
glErrorShouldBe(gl, gl.NO_ERROR,
"there should be no error from trying to set an unknown uniform");
}
debug("");
successfullyParsed = true;
</script>
<script>finishTest();</script>
</body>
</html>
|
