summaryrefslogtreecommitdiffstats
path: root/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shader-struct-scope.html
blob: a04faf03b150ee52882f9b1b34442ccce93bb161 (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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
<!--
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.
-->

<!-- author: Jamie Madill (jmadill at chromium) -->

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Struct Scope Test</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="shader-vs-1" type="x-shader/x-vertex">
void main(void) {

  gl_Position = vec4(0.0, 0.0, 0.0, 1.0);

  {
    struct T {
      int v1;
    };

    T x;
    gl_Position.x += float(x.v1);
  }

  {
    struct T {
      float v2;
    };

    T x;
    gl_Position.x += x.v2;
  }

}
</script>

<script id="shader-vs-2" type="x-shader/x-vertex">
void main(void) {

  gl_Position = vec4(0.0, 0.0, 0.0, 1.0);

  struct T {
    int v1;
  };

  T x;
  gl_Position.x += float(x.v1);

  {
    struct T {
      float v2;
    };

    T x;
    gl_Position.x += x.v2;
  }

}
</script>

<script id="shader-vs-3" type="x-shader/x-vertex">
void main(void) {

  gl_Position = vec4(0.0, 0.0, 0.0, 1.0);

  {
    struct T {
      int v1;
    };

    T x;
    gl_Position.x += float(x.v1);
  }

  struct T {
    float v2;
  };

  T x;
  gl_Position.x += x.v2;
}
</script>

<script id="shader-vs-bad" type="x-shader/x-vertex">
void main(void) {

  gl_Position = vec4(0.0, 0.0, 0.0, 1.0);

  struct T {
    int v1;
  };

  T x;
  gl_Position.x += float(x.v1);

  struct T {
    float v2;
  };

  T y;
  gl_Position.x += y.v2;
}
</script>

<script id="shader-vs-anglebug" type="x-shader/x-vertex">

struct T_0 {
  int v1;
};

void main(void) {

  gl_Position = vec4(0.0, 0.0, 0.0, 1.0);

  struct T {
    float v2;
  };

  T_0 x;
  gl_Position.x += float(x.v1);

  T y;
  gl_Position.x += y.v2;
}
</script>

<script id="shader-vs-masked-struct-variable" type="x-shader/x-vertex">

struct T {
  float f;
};

void main(void) {

  T a;

  gl_Position = vec4(0.0, 0.0, 0.0, 1.0);

  struct T {
    float q;
  };

  gl_Position.x += a.f;

  T b;
  gl_Position.x += b.q;
}
</script>

<script id="shader-fs" type="x-shader/x-fragment">
precision mediump float;
void main(void) {
  gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
</script>

<script>
"use strict";
description("Testing struct definition scope");

var wtu = WebGLTestUtils;
GLSLConformanceTester.runTests([
  {
    vShaderId: "shader-vs-1",
    vShaderSuccess: true,
    fShaderId: "shader-fs",
    fShaderSuccess: true,
    linkSuccess: true,
    passMsg: "Two structs defined within non-overlapping scopes should be able to use the same name",
  },
  {
    vShaderId: "shader-vs-2",
    vShaderSuccess: true,
    fShaderId: "shader-fs",
    fShaderSuccess: true,
    linkSuccess: true,
    passMsg: "A struct defined inside a scope overrides a struct defined in a outer scope with the same name",
  },
  {
    vShaderId: "shader-vs-3",
    vShaderSuccess: true,
    fShaderId: "shader-fs",
    fShaderSuccess: true,
    linkSuccess: true,
    passMsg: "A struct can use the same name of another out-of-scope struct",
  },
  {
    vShaderId: "shader-vs-bad",
    vShaderSuccess: false,
    fShaderId: "shader-fs",
    fShaderSuccess: true,
    linkSuccess: false,
    passMsg: "A struct can't be defined with the same name as another struct defined in the same scope",
  },
  {
    vShaderId: "shader-vs-anglebug",
    vShaderSuccess: true,
    fShaderId: "shader-fs",
    fShaderSuccess: true,
    linkSuccess: true,
    passMsg: "Structs with appended underscored numbers don't cause link errors (ANGLE bug)",
  },
  {
    vShaderId: "shader-vs-masked-struct-variable",
    vShaderSuccess: true,
    fShaderId: "shader-fs",
    fShaderSuccess: true,
    linkSuccess: true,
    passMsg: "Variables of masked outer scope struct work with inner scope struct",
  },
]);

debug("");
var successfullyParsed = true;
</script>
</body>
</html>