<!--
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 mat3 construction test</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-generator.js"> </script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id="shader_emu" type="something-not-js">
mat3 mat3_emu(vec3 v3_0, vec3 v3_1, vec3 v3_2) {
  mat3 test;
  test[0] = v3_0;
  test[1] = v3_1;
  test[2] = v3_2;
  return test;
}
</script>
<script id="shader_test" type="something-not-js">
  vec3 v3 = vec3($(input).xyz);
  mat3 m3 = $(conversion)(v3, v3, v3);
  vec3 c;
  if ($(input).y < 0.33) {
    c = m3[0];
  } else if ($(input).y > 0.66) {
    c = m3[1];
  } else {
    c = m3[2];
  }
  $(output) = vec4(c, 1);
</script>
<script>
"use strict";
// See resources glsl-generator runBasicTest for how this works
var wtu = WebGLTestUtils;
GLSLGenerator.runBasicTest({
  gridRes: 8,
  tests: [
    {
      name: "vec3 to mat3",
      reference: {
        shader: wtu.getScript("shader_test"),
        subs: {
          emu: wtu.getScript("shader_emu"),
          conversion: "mat3_emu"
        }
      },
      test: {
        shader: wtu.getScript("shader_test"),
        subs: {
          conversion: "mat3"
        },
      }
    }
  ]
});
var successfullyParsed = true;
</script>
</body>
</html>

