<!--
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>GLSL array constructor assignment test</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="fshaderNonConstantConstructorParameter" type="x-shader/x-fragment">#version 300 es
precision mediump float;
uniform int u;

out vec4 my_FragColor;

void main() {
    // Test assigning a constructor result as opposed to initializing with a
    // constructor result.
    int a[3];
    a = int[3](0, 1, u);
    bool fail = false;
    for (int i = 0; i < 2; ++i) {
        if (a[i] != i) {
            fail = true;
        }
    }
    if (a[2] != u) {
        fail = true;
    }
    my_FragColor = vec4(0.0, (fail ? 0.0 : 1.0), 0.0, 1.0);
}
</script>
<script id="fshaderArrayOfStructs" type="x-shader/x-fragment">#version 300 es
precision mediump float;

out vec4 my_FragColor;

struct S {
    int foo;
};

void main() {
    // Test assigning a constructor result as opposed to initializing with a
    // constructor result.
    S a[3];
    a = S[3](S(0), S(1), S(2));
    bool fail = false;
    for (int i = 0; i < 3; ++i) {
        if (a[i].foo != i) {
            fail = true;
        }
    }
    my_FragColor = vec4(0.0, (fail ? 0.0 : 1.0), 0.0, 1.0);
}
</script>
<script type="application/javascript">
"use strict";
description("Assigning return values of array constructors should work.");
debug("");

// This test only covers cases which are not covered by the dEQP tests.

GLSLConformanceTester.runRenderTests([
{
  fShaderId: 'fshaderNonConstantConstructorParameter',
  fShaderSuccess: true,
  linkSuccess: true,
  passMsg: 'Assigning a constructor result',
  uniforms: [{name: "u", functionName: "uniform1i", value: 5}]
},
{
  fShaderId: 'fshaderArrayOfStructs',
  fShaderSuccess: true,
  linkSuccess: true,
  passMsg: 'Assigning an array of structs'
}
], 2);
</script>
</body>
</html>

