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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.
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Extensions promoted to core should not be possible to use in shaders</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="fragShaderRequire" type="x-shader/x-fragment">
#extension $(ext) : require
precision mediump float;
void main() {
    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
</script>
<script id="fragShaderIfdef" type="x-shader/x-fragment">
precision mediump float;
void main() {
#ifdef $(ext)
    gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
#else
    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
#endif
}
</script>
<script id="fragShader300Require" type="x-shader/x-fragment">#version 300 es
#extension $(ext) : require
precision mediump float;
out vec4 my_FragColor;
void main() {
    my_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
</script>
<script id="fragShader300Ifdef" type="x-shader/x-fragment">#version 300 es
precision mediump float;
out vec4 my_FragColor;
void main() {
#ifdef $(ext)
    my_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
#else
    my_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
#endif
}
</script>
<script type="application/javascript">
"use strict";
description();

var wtu = WebGLTestUtils;

var shaderTemplateRequire = wtu.getScript('fragShaderRequire');
var shaderTemplate300Require = wtu.getScript('fragShader300Require');
var shaderTemplateIfdef = wtu.getScript('fragShaderIfdef');
var shaderTemplate300Ifdef = wtu.getScript('fragShader300Ifdef');

var extensions = [
    'GL_EXT_draw_buffers',
    'GL_EXT_frag_depth',
    'GL_EXT_shader_texture_lod',
    'GL_OES_standard_derivatives'
];

var tests = [];

for (var i = 0; i < extensions.length; ++i) {
    var shaderSrcRequire = wtu.replaceParams(shaderTemplateRequire, {'ext': extensions[i]});
    tests.push({
        fShaderSource: shaderSrcRequire,
        fShaderSuccess: false,
        linkSuccess: false,
        passMsg: "ESSL 1.00 Fragment shader that requires " + extensions[i] + " should not compile."
    });
    var shaderSrc300Require = wtu.replaceParams(shaderTemplate300Require, {'ext': extensions[i]});
    tests.push({
        fShaderSource: shaderSrc300Require,
        fShaderSuccess: false,
        linkSuccess: false,
        passMsg: "ESSL 3.00 Fragment shader that requires " + extensions[i] + " should not compile."
    });

    var shaderSrcIfdef = wtu.replaceParams(shaderTemplateIfdef, {'ext': extensions[i]});
    tests.push({
        fShaderSource: shaderSrcIfdef,
        fShaderSuccess: true,
        linkSuccess: true,
        render: true,
        passMsg: extensions[i] + " should not be defined in ESSL 1.00 fragment shader."
    });
    var shaderSrc300Ifdef = wtu.replaceParams(shaderTemplate300Ifdef, {'ext': extensions[i]});
    tests.push({
        fShaderSource: shaderSrc300Ifdef,
        fShaderSuccess: true,
        linkSuccess: true,
        render: true,
        passMsg: extensions[i] + " should not be defined in ESSL 3.00 fragment shader."
    });
}

GLSLConformanceTester.runTests(tests, 2);
var successfullyParsed = true;
</script>
</body>
</html>