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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.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GLSL mat4 to mat3 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(mat4 m4) {
return mat3(
m4[0][0], m4[0][1], m4[0][2],
m4[1][0], m4[1][1], m4[1][2],
m4[2][0], m4[2][1], m4[2][2]);
}
</script>
<script id="shader_test" type="something-not-js">
mat4 m4 = mat4($(input), $(input).yzwx, $(input).zwxy, $(input).wxyz);
mat3 m3 = $(conversion)(m4);
vec3 c;
if ($(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: "mat4 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>
|
