Source code
Revision control
Copy as Markdown
Other Tools
<!--
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">
<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>
<title></title>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id="fragmentShader" type="text/something-not-javascript">
precision mediump float;
struct S { $(type) t; };
void main() {
S a;
a.t = $(initializer);
S b = $(operator)a; // Unary operators not allowed
gl_FragColor = $(fragColor);
}
</script>
<script>
"use strict";
description("This test verifies that unary operators +, ++, -, --, !, and ~ do not work on structures. Per the spec, field selectors, equality and assignment are the only operators allowed on structures.");
var tests = [];
var wtu = WebGLTestUtils;
var operators = ['+', '++', '-', '--', '!', '~']
var typeInfos = [
{ type: 'float', initializer: '1.0', fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' },
{ type: 'vec2', initializer: 'vec2(0.0, 1.0)', fragColor: 'vec4(b.t, 0.0, 1.0)' },
{ type: 'vec3', initializer: 'vec3(0.0, 1.0, 0.0)', fragColor: 'vec4(b.t, 1.0)' },
{ type: 'vec4', initializer: 'vec4(0.0, 1.0, 0.0, 1.0)', fragColor: 'b.t' },
{ type: 'int', initializer: '1', fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' },
{ type: 'ivec2', initializer: 'ivec2(0, 1)', fragColor: 'vec4(b.t, 0.0, 1.0)' },
{ type: 'ivec3', initializer: 'ivec3(0, 1, 0)', fragColor: 'vec4(b.t, 1.0)' },
{ type: 'ivec4', initializer: 'ivec4(0, 1, 0, 1)', fragColor: 'vec4(b.t)' },
{ type: 'bool', initializer: 'true', fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' },
{ type: 'bvec2', initializer: 'bvec2(false, true)', fragColor: 'vec4(b.t, 0.0, 1.0)' },
{ type: 'bvec3', initializer: 'bvec3(false, true, false)', fragColor: 'vec4(b.t, 1.0)' },
{ type: 'bvec4', initializer: 'bvec4(false,true,false,true)',fragColor: 'vec4(b.t)' },
];
operators.forEach(function (operator) {
typeInfos.forEach(function (typeInfo) {
var replaceParams = {
initializer: typeInfo.initializer,
type: typeInfo.type,
fragColor: typeInfo.fragColor,
operator: operator,
};
tests.push({
fShaderSource: wtu.replaceParams(wtu.getScript('fragmentShader'), replaceParams),
passMsg: 'Unary operator ' + operator + ' cannot be used on a struct with a ' + typeInfo.type,
fShaderSuccess: false,
linkSuccess: false
});
});
});
GLSLConformanceTester.runTests(tests);
var successfullyParsed = true;
</script>
</body>
</html>