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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL GLSL Conformance Tests</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-conformance-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id="vertexShader" type="text/something-not-javascript">
// vertex shader should succeed
attribute vec4 a_weights;
varying vec4 v_weights;

void main() {
    v_weights = a_weights;
    gl_Position = vec4(0.0, 0.0, 0.0, 1.0);
}
</script>
<script id="fragmentShader" type="text/something-not-javascript">
// fragment shader with appropriately limited indexing expression should succeed
// http://www.khronos.org/registry/webgl/specs/latest/#SUPPORTED_GLSL_CONSTRUCTS
precision mediump float;

uniform vec4 u_colors[8];
varying vec4 v_weights;

void main()
{
    vec4 color = vec4(0.0, 0.0, 0.0, 0.0);
    for (int i = 0; i < 4; i++) {
        color += u_colors[i] * v_weights[i];
    }
    gl_FragColor = color;
}
</script>
<script>
"use strict";
GLSLConformanceTester.runTest();
var successfullyParsed = true;
</script>
</body>
</html>