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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL GLSL Conformance Tests - empty declarations</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="vertexEmptyDeclaration" type="text/something-not-javascript">
// Vertex shader with an empty declaration should succeed.
// See shading language grammar rules init_declarator_list and single_declaration
// in ESSL specs.
// Empty declarations are a side effect of how grammar for structs is defined.
void main() {
float;
gl_Position = vec4(0.0);
}
</script>
<script id="vertexEmptyDeclarationPlus" type="text/something-not-javascript">
// Vertex shader with an empty declaration followed by declarator should succeed.
// See shading language grammar rules init_declarator_list and single_declaration
// in ESSL specs.
void main() {
float, a = 0.0;
gl_Position = vec4(a);
}
</script>
<script id="vertexEmptyStructDeclarationPlus" type="text/something-not-javascript">
// Vertex shader with an empty declaration followed by declarator should succeed.
// See shading language grammar rules init_declarator_list and single_declaration
// in ESSL specs.
struct S {
float member;
}, a;
void main() {
a.member = 0.0;
gl_Position = vec4(a.member);
}
</script>
<script id="vertexEmptyDeclarationInStruct" type="text/something-not-javascript">
// Vertex shader with an empty declaration inside struct should fail.
// In-struct declarations have different grammar from declarations outside structs.
struct S {
float;
float a;
};
void main() {
gl_Position = vec4(0.0);
}
</script>
<script id="vertexEmptyDeclarationPlusInStruct" type="text/something-not-javascript">
// Vertex shader with an empty declaration inside struct should fail.
// In-struct declarations have different grammar from declarations outside structs.
struct S {
float, a;
float b;
};
void main() {
gl_Position = vec4(0.0);
}
</script>
<script>
"use strict";
GLSLConformanceTester.runTests([
{ vShaderId: 'vertexEmptyDeclaration',
vShaderSuccess: true,
linkSuccess: true,
passMsg: 'Vertex shader with an empty declaration should succeed'
},
{ vShaderId: 'vertexEmptyDeclarationPlus',
vShaderSuccess: true,
linkSuccess: true,
passMsg: 'Vertex shader with an empty declaration followed by declarator should succeed'
},
{ vShaderId: 'vertexEmptyStructDeclarationPlus',
vShaderSuccess: true,
linkSuccess: true,
passMsg: 'Vertex shader with an empty struct declaration followed by declarator should succeed'
},
{ vShaderId: 'vertexEmptyDeclarationInStruct',
vShaderSuccess: false,
linkSuccess: false,
passMsg: 'Vertex shader with an empty declaration in a struct should fail'
},
{ vShaderId: 'vertexEmptyDeclarationPlusInStruct',
vShaderSuccess: false,
linkSuccess: false,
passMsg: 'Vertex shader with an empty declaration followed by declarator in a struct should fail'
}
]);
var successfullyParsed = true;
</script>
</body>
</html>