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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 GLSL Conformance Tests</title>
<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
<script src="../../../js/js-test-pre.js"></script>
<script src="../../../js/webgl-test-utils.js"></script>
<script src="../../../js/glsl-conformance-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id="vertexShaderNoVarying" type="text/something-not-javascript">
void main()
{
gl_Position = vec4(0,0,0,0);
}
</script>
<script id="vertexShaderUnusedVarying" type="text/something-not-javascript">
varying vec4 v_varying;
void main()
{
gl_Position = vec4(0,0,0,0);
}
</script>
<script id="vertexShaderUsedVarying" type="text/something-not-javascript">
varying vec4 v_varying;
void main()
{
gl_Position = v_varying;
}
</script>
<script id="fragmentShaderUnusedVarying" type="text/something-not-javascript">
precision mediump float;
varying vec4 v_varying;
void main()
{
gl_FragColor = vec4(0,0,0,0);
}
</script>
<script id="fragmentShaderUsedVarying" type="text/something-not-javascript">
precision mediump float;
varying vec4 v_varying;
void main()
{
gl_FragColor = v_varying;
}
</script>
<script>
// GLSL 1.0.17 4.3.5
"use strict";
GLSLConformanceTester.runTests([
{
vShaderId: "vertexShaderNoVarying",
vShaderSuccess: true,
fShaderId: "fragmentShaderUnusedVarying",
fShaderSuccess: true,
linkSuccess: true,
passMsg: "vertex shader with no varying and fragment shader with unused varying must succeed",
},
{
vShaderId: "vertexShaderNoVarying",
vShaderSuccess: true,
fShaderId: "fragmentShaderUsedVarying",
fShaderSuccess: true,
linkSuccess: false,
passMsg: "vertex shader with no varying and fragment shader with used varying must fail",
},
{
vShaderId: "vertexShaderUnusedVarying",
vShaderSuccess: true,
fShaderId: "fragmentShaderUnusedVarying",
fShaderSuccess: true,
linkSuccess: true,
passMsg: "vertex shader with unused varying and fragment shader with unused varying must succeed",
},
{
vShaderId: "vertexShaderUnusedVarying",
vShaderSuccess: true,
fShaderId: "fragmentShaderUsedVarying",
fShaderSuccess: true,
linkSuccess: true,
passMsg: "vertex shader with unused varying and fragment shader with used varying must succeed",
},
]);
var successfullyParsed = true;
</script>
</body>
</html>