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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>Initializing an array with a loop 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="fshaderInitLoop" type="x-shader/x-fragment">
precision mediump float;
void initGlobals();
uniform vec4 in0;
vec4 out0;
float func(float a[4]) {
a[0] = -1.0;
return a[0];
}
float arr[4];
bool isOk(vec4 a) {
vec4 ref = -(in0 + 1.0);
if (abs(a.x - ref.x) < 0.05 && abs(a.y - ref.y) < 0.05 && abs(a.z - ref.z) < 0.05 && abs(a.w - ref.w) < 0.05)
{
return true;
}
return false;
}
void main() {
initGlobals();
arr[0] = in0.x + 1.0;
arr[1] = in0.y + 1.0;
arr[2] = in0.z + 1.0;
arr[3] = in0.w + 1.0;
mediump float f = func(arr);
out0 = f * vec4(arr[0], arr[1], arr[2], arr[3]);
if (isOk(out0))
{
gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
else
{
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
}
void initGlobals() {
out0 = vec4(0.0, 0.0, 0.0, 0.0);
for (int i = 0; i < 4; ++i)
{
arr[i] = 0.0;
}
}
</script>
<script type="text/javascript">
"use strict";
description();
GLSLConformanceTester.runRenderTests([
{
fShaderId: 'fshaderInitLoop',
fShaderSuccess: true,
linkSuccess: true,
passMsg: "Initialize a global array using a for loop"
}
]);
</script>
</body>
</html>
|
