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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>#version directive should be on the very first line of a OpenGL ES Shading Language 3.00 shader</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>
<!-- Version directive should be on the very first line in ESSL 3, see ESSL 3 section 3.3 -->
<script id="VertexShaderCommentBeforeVersion" type="x-shader/x-vertex">// This shader is wrong, this is the first line that should have version
#version 300 es
precision mediump float;
in vec4 aPosition;
void main() {
gl_Position = aPosition;
}
</script>
<script id="VertexShaderNewlineBeforeVersion" type="x-shader/x-vertex">
#version 300 es
precision mediump float;
in vec4 aPosition;
void main() {
gl_Position = aPosition;
}
</script>
<script id="CorrectVertexShader" type="x-shader/x-vertex">#version 300 es
precision mediump float;
in vec4 aPosition;
void main() {
gl_Position = aPosition;
}
</script>
<script id="FragmentShaderCommentBeforeVersion" type="x-shader/x-fragment">// This shader is wrong, this is the first line that should have version
#version 300 es
precision mediump float;
out vec4 my_FragColor;
void main() {
my_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
</script>
<script id="FragmentShaderNewlineBeforeVersion" type="x-shader/x-fragment">
#version 300 es
precision mediump float;
out vec4 my_FragColor;
void main() {
my_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
</script>
<script id="CorrectFragmentShader" type="x-shader/x-fragment">#version 300 es
precision mediump float;
out vec4 my_FragColor;
void main() {
my_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
</script>
<script type="application/javascript">
"use strict";
description();
GLSLConformanceTester.runTests([
{
vShaderId: "VertexShaderNewlineBeforeVersion",
vShaderSuccess: false,
fShaderId: "CorrectFragmentShader",
fShaderSuccess: true,
linkSuccess: false,
passMsg: "Vertex shader with a newline before the version directive should fail."
},
{
vShaderId: "VertexShaderCommentBeforeVersion",
vShaderSuccess: false,
fShaderId: "CorrectFragmentShader",
fShaderSuccess: true,
linkSuccess: false,
passMsg: "Vertex shader with a comment before the version directive should fail."
},
{
vShaderId: "CorrectVertexShader",
vShaderSuccess: true,
fShaderId: "FragmentShaderCommentBeforeVersion",
fShaderSuccess: false,
linkSuccess: false,
passMsg: "Fragment shader with a comment before the version directive should fail."
},
{
vShaderId: "CorrectVertexShader",
vShaderSuccess: true,
fShaderId: "FragmentShaderNewlineBeforeVersion",
fShaderSuccess: false,
linkSuccess: false,
passMsg: "Fragment shader with a newline before the version directive should fail."
}
], 2);
var successfullyParsed = true;
</script>
</body>
</html>