summaryrefslogtreecommitdiffstats
path: root/dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/long-expressions-should-not-crash.html
blob: eaf0509b23f80705e6b1880da0fd3815634635df (plain)
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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
<!--
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>Driver Bug - long experssions should not crash</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>
<canvas id="example" width="40" height="40"> </canvas>
<div id="description"></div>
<div id="console"></div>
<script id="vshader" type="x-shader/x-vertex">
void main(){
  gl_Position = vec4(0, 0, 0, 1);
}
</script>
<script id="vshaderUniformTest" type="x-shader/x-vertex">
uniform vec4 u_uniform;
void main(){
  gl_Position =
      $(code)
      vec4(0, 0, 0, 1);
}
</script>
<script id="fshader" type="x-shader/x-fragment">
precision mediump float;
void main()
{
  gl_FragColor = vec4(0, 0, 0, 0);
}
</script>
<script id="fshaderUniformTest" type="x-shader/x-fragment">
precision mediump float;
uniform vec4 u_uniform;
void main()
{
  gl_FragColor =
      $(code)
      vec4(0, 0, 0, 0);
}
</script>
<script>
"use strict";
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext();

var vUniformTestSource = wtu.getScript("vshaderUniformTest");
var fUniformTestSource = wtu.getScript("fshaderUniformTest");

var tests = [
];
var counts = [
  { count:10,
    mustPass: true,
  },
  { count:100,
    mustPass: true,
  },
  { count: 1000,
    mustPass: false,
  },
  { count: 10000,
    mustPass: false,
  },
];
var operatorSets = [
  ["+", "-", "/", "*"],
  ["+"],
  ["-"],
];
counts.forEach(function(info) {
  operatorSets.forEach(function(operators) {
    var generateCode = function(numVars) {
      var codes = [];
      for (var uu = 0; uu < numVars; ++uu) {
        codes.push("u_uniform " + operators[uu % operators.length]);
      }
      return {
        code: codes.join("\n      "),
      };
    };

    var subs = generateCode(info.count);
    tests.push({
      vShaderId: "vshader",
      vShaderSuccess: true,
      fShaderSource: wtu.replaceParams(fUniformTestSource, subs),
      fShaderSuccess: true,
      linkSuccess: true,
      ignoreResults: !info.mustPass,
      passMsg: "shader with " + info.count + " [" + operators + "] operators in expression in multiple lines",
    });
    tests.push({
      vShaderSource: wtu.replaceParams(vUniformTestSource, subs),
      vShaderSuccess: true,
      fShaderId: "fshader",
      fShaderSuccess: true,
      linkSuccess: true,
      ignoreResults: !info.mustPass,
      passMsg: "shader with " + info.count + " [" + operators + "] operators in expression in multiple lines",
    });
    subs.code = subs.code.replace(/\n     /g, "")
    tests.push({
      vShaderId: "vshader",
      vShaderSuccess: true,
      fShaderSource: wtu.replaceParams(fUniformTestSource, subs),
      fShaderSuccess: true,
      linkSuccess: true,
      ignoreResults: !info.mustPass,
      passMsg: "shader with " + info.count + " [" + operators + "] operators in expression in one line",
    });
    tests.push({
      vShaderSource: wtu.replaceParams(vUniformTestSource, subs),
      vShaderSuccess: true,
      fShaderId: "fshader",
      fShaderSuccess: true,
      linkSuccess: true,
      ignoreResults: !info.mustPass,
      passMsg: "shader with " + info.count + " [" + operators + "] operators in expression in one line",
    });
  });
});
GLSLConformanceTester.runTests(tests);
</script>
</body>
</html>