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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 - sampler operands</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>
// ESSL(1.00, 3.00, 3.10) section 4.1.7
// Except for array indexing, structure field selection, and
// parentheses, samplers are not allowed to be operands in expressions.
</script>
<script id="samplerAdding" type="x-shader/x-fragment">
// This covers an ANGLE bug.
// See https://bugs.chromium.org/p/angleproject/issues/detail?id=2028.
uniform sampler2D s1;
uniform sampler2D s2;
void main() {
s1 + s2;
}
</script>
<script>
"use strict";
GLSLConformanceTester.runTests([
{ fShaderId: 'samplerAdding',
fShaderSuccess: false,
linkSuccess: false,
passMsg: 'Adding on samplers should fail'
},
]);
var successfullyParsed = true;
</script>
</body>
</html>
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