<!--
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>GLSL array equality 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="fshaderSimple" type="x-shader/x-fragment">#version 300 es
precision mediump float;

out vec4 my_FragColor;

void main() {
    // This simple test uses the ESSL1 style array initialization in order
    // to be able to test array equality independently of array constructors.
    int a[3];
    int b[3];
    int c[3];
    for (int i = 0; i < 3; ++i) {
        a[i] = i;
        b[i] = i;
        c[i] = i + 1;
    }
    bool success = (a == b) && (a != c);
    my_FragColor = vec4(0.0, (success ? 1.0 : 0.0), 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() {
    // This simple test uses the ESSL1 style array initialization in order
    // to be able to test array equality independently of array constructors.
    S a[3];
    S b[3];
    S c[3];
    for (int i = 0; i < 3; ++i) {
        a[i].foo = i;
        b[i].foo = i;
        c[i].foo = i + 1;
    }
    bool success = (a == b) && (a != c);
    my_FragColor = vec4(0.0, (success ? 1.0 : 0.0), 0.0, 1.0);
}
</script>
<script id="simple-float-array-fs" type="x-shader/x-fragment">#version 300 es
precision mediump float;

uniform float a[3];
uniform float b[3];

out vec4 fragColor;

void main(void) {
    fragColor = vec4(0.0, 0.0, 0.0, 1.0);

    if (a == b) {
        fragColor.g = 1.0;
    }
}
</script>
<script id="simple-vec-array-fs" type="x-shader/x-fragment">#version 300 es
precision mediump float;

uniform vec3 a[3];
uniform vec3 b[3];

out vec4 fragColor;

void main(void) {
    fragColor = vec4(0.0, 0.0, 0.0, 1.0);

    if (a == b) {
        fragColor.g = 1.0;
    }
}
</script>
<script id="simple-mat-array-fs" type="x-shader/x-fragment">#version 300 es
precision mediump float;

uniform mat3 a[3];
uniform mat3 b[3];

out vec4 fragColor;

void main(void) {
    fragColor = vec4(0.0, 0.0, 0.0, 1.0);

    if (a == b) {
        fragColor.g = 1.0;
    }
}
</script>
<script type="application/javascript">
"use strict";
description("Comparing arrays should work.");

GLSLConformanceTester.runRenderTests([
{
  fShaderId: 'fshaderSimple',
  fShaderSuccess: true,
  linkSuccess: true,
  passMsg: 'Arrays of integers'
},
{
  fShaderId: 'fshaderArrayOfStructs',
  fShaderSuccess: true,
  linkSuccess: true,
  passMsg: 'Arrays of structs'
},
{
  fShaderId: "simple-float-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  passMsg: "Simple float array with default values",
},
{
  fShaderId: "simple-float-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  renderColor: [0, 0, 0, 255],
  uniforms: [
    { name: 'a', functionName: 'uniform1fv', value: [1, 2, 3]},
    { name: 'b', functionName: 'uniform1fv', value: [1, 2, 4]},
  ],
  passMsg: "Simple float array with different values",
},
{
  fShaderId: "simple-float-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  uniforms: [
    { name: 'a', functionName: 'uniform1fv', value: [1, 2, 3]},
    { name: 'b', functionName: 'uniform1fv', value: [1, 2, 3]},
  ],
  passMsg: "Simple float array with same values",
},
{
  fShaderId: "simple-vec-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  passMsg: "Simple vec array with default values",
},
{
  fShaderId: "simple-vec-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  renderColor: [0, 0, 0, 255],
  uniforms: [
    { name: 'a', functionName: 'uniform3fv', value: [1, 2, 3, 4, 5, 6, 7, 8, 9]},
    { name: 'b', functionName: 'uniform3fv', value: [1, 2, 3, 4, 5, 6, 7, 8, 10]},
  ],
  passMsg: "Simple vec array with different values",
},
{
  fShaderId: "simple-vec-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  uniforms: [
    { name: 'a', functionName: 'uniform3fv', value: [1, 2, 3, 4, 5, 6, 7, 8, 9]},
    { name: 'b', functionName: 'uniform3fv', value: [1, 2, 3, 4, 5, 6, 7, 8, 9]},
  ],
  passMsg: "Simple vec array with same values",
},
{
//           "simple-mat-array-fs"
  fShaderId: "simple-mat-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  passMsg: "Simple mat array with default values",
},
{
  fShaderId: "simple-mat-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  renderColor: [0, 0, 0, 255],
  uniforms: [
    { name: 'a', functionName: 'uniformMatrix3fv', value: [
      11, 12, 13, 14, 15, 16, 17, 18, 19,
      21, 22, 23, 24, 25, 26, 27, 28, 29,
      31, 32, 33, 34, 35, 36, 37, 38, 39,
    ]},
    { name: 'b', functionName: 'uniformMatrix3fv', value: [
      11, 12, 13, 14, 15, 16, 17, 18, 19,
      21, 22, 23, 24, 25, 26, 27, 28, 29,
      31, 32, 33, 34, 35, 36, 37, 30, 39,
    ]},
  ],
  passMsg: "Simple vec array with different values",
},
{
  fShaderId: "simple-mat-array-fs",
  fShaderSuccess: true,
  linkSuccess: true,
  render: true,
  uniforms: [
    { name: 'a', functionName: 'uniformMatrix3fv', value: [
      11, 12, 13, 14, 15, 16, 17, 18, 19,
      21, 22, 23, 24, 25, 26, 27, 28, 29,
      31, 32, 33, 34, 35, 36, 37, 38, 39,
    ]},
    { name: 'b', functionName: 'uniformMatrix3fv', value: [
      11, 12, 13, 14, 15, 16, 17, 18, 19,
      21, 22, 23, 24, 25, 26, 27, 28, 29,
      31, 32, 33, 34, 35, 36, 37, 38, 39,
    ]},
  ],
  passMsg: "Simple vec array with same values",
},
], 2);
</script>
</body>
</html>

