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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.
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Nested sequence operator</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>
<script src="../../../js/glsl-conformance-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id="fshaderNestedSequenceOperator" type="x-shader/x-fragment">
precision mediump float;
// Note that keep_flop_positive is expected to keep its default value false.
uniform bool keep_flop_positive;
float flop;
void main()
{
    flop = -1.0,
    (flop *= -1.0,
    keep_flop_positive ? 0.0 : flop *= -1.0),
    gl_FragColor = vec4(0, -flop, 0, 1);
}
</script>
<script type="text/javascript">
"use strict";
description("Test a nested sequence operator with a ternary operator inside. The ternary operator needs to be converted into an if statement on a HLSL based WebGL backend, which makes this case tricky.");

GLSLConformanceTester.runRenderTests([
{
  fShaderId: 'fshaderNestedSequenceOperator',
  fShaderSuccess: true,
  linkSuccess: true,
  passMsg: "Nested sequence operator is evaluated in the expected order."
}
]);
</script>
</body>
</html>
