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
|
<!--
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>GLSL vector/scalar arithmetic inside a for loop</title>
<link rel="stylesheet" href="../../../resources/js-test-style.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="fShaderVectorMulAndAddInsideForLoop" type="x-shader/x-fragment">
void main(){
gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
for (int i = 0; i < 2; i++)
{
gl_FragColor += (2.0 * gl_FragCoord.x);
}
if (gl_FragColor.g == gl_FragColor.r &&
gl_FragColor.b == gl_FragColor.r &&
gl_FragColor.a == gl_FragColor.r)
{
gl_FragColor = vec4(0, 1, 0, 1);
}
}
</script>
<script id="fShaderVectorCompoundMulAndAddInsideForLoop" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
for (int i = 0; i < 2; i++)
{
float x = gl_FragCoord.x;
gl_FragColor = gl_FragColor + (x *= 2.0);
}
if (gl_FragColor.g == gl_FragColor.r &&
gl_FragColor.b == gl_FragColor.r &&
gl_FragColor.a == gl_FragColor.r)
{
gl_FragColor = vec4(0, 1, 0, 1);
}
}
</script>
<script id="fShaderVectorCompoundDivAndAddInsideForLoop" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
for (int i = 0; i < 2; i++)
{
float x = gl_FragCoord.x;
gl_FragColor = gl_FragColor + (x /= 2.0);
}
if (gl_FragColor.g == gl_FragColor.r &&
gl_FragColor.b == gl_FragColor.r &&
gl_FragColor.a == gl_FragColor.r)
{
gl_FragColor = vec4(0, 1, 0, 1);
}
}
</script>
<script type="text/javascript">
"use strict";
description();
// See http://crbug.com/772651
GLSLConformanceTester.runRenderTests([
{
fShaderId: 'fShaderVectorMulAndAddInsideForLoop',
fShaderSuccess: true,
linkSuccess: true,
passMsg: "Adding a scalar to a vector inside for loop should work."
},
{
fShaderId: 'fShaderVectorCompoundMulAndAddInsideForLoop',
fShaderSuccess: true,
linkSuccess: true,
passMsg: "Adding a scalar (target of a compound assignment/multiplication operation) to a vector inside for loop should work."
},
{
fShaderId: 'fShaderVectorCompoundDivAndAddInsideForLoop',
fShaderSuccess: true,
linkSuccess: true,
passMsg: "Adding a scalar (target of a compound assignment/division operation) to a vector inside for loop should work."
}
]);
</script>
</body>
</html>
|
