blob: 80800c2dc5834304489e79f917af318e9c517b27 (
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
|
<!--
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>WebGL Transform Feedback Conformance Tests</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>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script id="vshader" type="x-shader/x-vertex">#version 300 es
in vec3 position;
void main()
{
gl_Position = vec4(position, 1);
}
</script>
<script id="fshader" type="x-shader/x-fragment">#version 300 es
precision mediump float;
out vec4 color;
void main()
{
color = vec4(0);
}
</script>
<script>
"use strict";
description("Test that specifying non-existent varyings for transform feedback causes the program to fail to link. This test covers an ANGLE bug.");
// Spec: GLES 3.0.5 section 2.12.8:
// "A program will fail to link if:"
// "any variable name specified in the varyings array is not declared as an output in the vertex shader;"
debug("");
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext(undefined, undefined, 2);
if (!gl) {
testFailed("WebGL context does not exist");
} else {
runTest("bogus");
runTest("gl_Bogus");
}
function runTest(nonExistentVaryingName) {
var program = wtu.setupTransformFeedbackProgram(gl, ["vshader", "fshader"],
[nonExistentVaryingName], gl.INTERLEAVED_ATTRIBS,
["position"]);
var msg = "Program should fail to link when a nonexistent varying '" + nonExistentVaryingName + "' is specified for transform feedback.";
if (program) {
testFailed(msg);
} else {
testPassed(msg);
}
}
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>
</body>
</html>
|
