1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
<!--
/*
** Copyright (c) 2015 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GLSL: test that length() method called on a complex expression does not compile</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="fshaderLengthOfAssignment" type="x-shader/x-fragment">#version 300 es
precision mediump float;
out vec4 my_FragColor;
void main() {
int a[3];
int b[3];
int c = (a = b).length();
my_FragColor = vec4(float(c));
}
</script>
<script id="fshaderLengthOfFunctionCall" type="x-shader/x-fragment">#version 300 es
precision mediump float;
out vec4 my_FragColor;
int[2] func() {
int a[2];
return a;
}
void main() {
int b = (func()).length();
my_FragColor = vec4(float(b));
}
</script>
<script id="fshaderLengthOfConstructor" type="x-shader/x-fragment">#version 300 es
precision mediump float;
out vec4 my_FragColor;
void main() {
int a = (int[1](0)).length();
my_FragColor = vec4(float(a));
}
</script>
<script type="application/javascript">
"use strict";
description();
debug("These restrictions come from ESSL 3.00 section 5.9 definition of expression, which only allows length to be called on array names, not on arbitrary expressions returning an array.");
GLSLConformanceTester.runTests([
{
fShaderId: "fshaderLengthOfAssignment",
fShaderSuccess: false,
linkSuccess: false,
passMsg: "Fragment shader which tries to evaluate the length of an assignment operation should fail."
},
{
fShaderId: "fshaderLengthOfFunctionCall",
fShaderSuccess: false,
linkSuccess: false,
passMsg: "Fragment shader which tries to evaluate the length of a return value should fail."
},
{
fShaderId: "fshaderLengthOfConstructor",
fShaderSuccess: false,
linkSuccess: false,
passMsg: "Fragment shader which tries to evaluate the length of a newly constructed array should fail."
}
], 2);
</script>
</body>
</html>
|
