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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<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>
<title></title>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id="fragmentShader" type="text/something-not-javascript">
precision mediump float;
struct S { $(outer_type) u; };
void main() {
    S S;   // This is legal, 'S' as a typename is defined in another scope.
    {
        struct S { $(inner_type) a; };  // This is legal as well, 'S' is now defined as a variable name in an ancestor scope
        S newvar;
        newvar.a = $(initializer);
        gl_FragColor = $(fragColor);
    }
}
</script>
<script>
"use strict";
description("This test verifies that defining a typename in a new scope when the typename is the name of a variable that hides a typename declaration succeeds for all combinations of GLSL types.");
var tests = [];
var wtu = WebGLTestUtils;
var typeInfo = [
    { Type: 'float',    initializer: '1.0',                         fragColor: 'vec4(0.0, newvar.a, 0.0, 1.0)' },
    { Type: 'vec2',     initializer: 'vec2(0.0, 1.0)',              fragColor: 'vec4(newvar.a, 0.0, 1.0)' },
    { Type: 'vec3',     initializer: 'vec3(0.0, 1.0, 0.0)',         fragColor: 'vec4(newvar.a, 1.0)' },
    { Type: 'vec4',     initializer: 'vec4(0.0, 1.0, 0.0, 1.0)',    fragColor: 'newvar.a' },
    { Type: 'int',      initializer: '1',                           fragColor: 'vec4(0.0, newvar.a, 0.0, 1.0)' },
    { Type: 'ivec2',    initializer: 'ivec2(0, 1)',                 fragColor: 'vec4(newvar.a, 0.0, 1.0)' },
    { Type: 'ivec3',    initializer: 'ivec3(0, 1, 0)',              fragColor: 'vec4(newvar.a, 1.0)' },
    { Type: 'ivec4',    initializer: 'ivec4(0, 1, 0, 1)',           fragColor: 'vec4(newvar.a)' },
    { Type: 'bool',     initializer: 'true',                        fragColor: 'vec4(0.0, newvar.a, 0.0, 1.0)' },
    { Type: 'bvec2',    initializer: 'bvec2(false, true)',          fragColor: 'vec4(newvar.a, 0.0, 1.0)' },
    { Type: 'bvec3',    initializer: 'bvec3(false, true, false)',   fragColor: 'vec4(newvar.a, 1.0)' },
    { Type: 'bvec4',    initializer: 'bvec4(false,true,false,true)',fragColor: 'vec4(newvar.a)' },
];
typeInfo.forEach(function (outerType) {
    typeInfo.forEach(function (innerType) {
        var replaceParams = {
            outer_type: outerType.Type,
            inner_type: innerType.Type,
            // use the initializer and fragColor for the inner type. Its definition should override the variable name in the outerscope.
            initializer: innerType.initializer,
            fragColor: innerType.fragColor
        };
        tests.push({
            fShaderSource: wtu.replaceParams(wtu.getScript('fragmentShader'), replaceParams),
            passMsg: 'Outer struct type: ' + outerType.Type + ' inner struct type: ' + innerType.Type,
            fShaderSuccess: true,
            linkSuccess: true,
            render: true
        });
    })
})
GLSLConformanceTester.runTests(tests);
var successfullyParsed = true;
</script>
</body>
</html>