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) 2020 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>Verify (uint(int) >> 31) works correctly (Adreno driver bug)</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>
<canvas id="canvas" width="2" height="2"> </canvas>
<div id="description"></div>
<div id="console"></div>
<script id="vshader-uint-1" type="x-shader/x-vertex">#version 300 es
in vec3 aPosition;
flat out highp uint uvalue;
uniform highp int ivalue;
void main() {
gl_Position = vec4(aPosition, 1);
uvalue = uint(ivalue) >> 31u;
}
</script>
<script id="fshader-uint-1" type="x-shader/x-fragment">#version 300 es
flat in highp uint uvalue;
out highp vec4 myFragColor;
void main() {
if (uvalue == 1u)
myFragColor = vec4(1.0, 0.0, 0.0, 1.0);
else
myFragColor = vec4(0.0, 0.0, 0.0, 1.0);
}
</script>
<script id="vshader-simple" type="x-shader/x-vertex">#version 300 es
in vec3 aPosition;
void main() {
gl_Position = vec4(aPosition, 1);
}
</script>
<script id="fshader-uint-2" type="x-shader/x-fragment">#version 300 es
uniform highp int ivalue;
out highp vec4 myFragColor;
void main() {
uint uvalue = uint(ivalue) >> 31u;
if (uvalue == 1u)
myFragColor = vec4(1.0, 0.0, 0.0, 1.0);
else
myFragColor = vec4(0.0, 0.0, 0.0, 1.0);
}
</script>
<script type="application/javascript">
"use strict";
description("Verify (uint(int) >> 31) works correctly");
debug("");
var wtu = WebGLTestUtils;
function test() {
var gl = wtu.create3DContext("canvas", undefined, 2);
if (!gl) {
testFailed("context does not exist");
return;
}
wtu.setupUnitQuad(gl);
var testCases = [
{ vshader: "vshader-uint-1", fshader: "fshader-uint-1", desc: "vertex shader uint" },
{ vshader: "vshader-simple", fshader: "fshader-uint-2", desc: "fragment shader uint" },
];
for (var idx = 0; idx < testCases.length; ++idx) {
var test = testCases[idx];
debug("");
var program = wtu.setupProgram(gl, [test.vshader, test.fshader], ["aPosition"]);
if (!program) {
testFailed("Fail to set up program");
} else {
var uniformLoc = gl.getUniformLocation(program, 'ivalue');
gl.uniform1i(uniformLoc, -1);
wtu.drawUnitQuad(gl);
wtu.checkCanvas(gl, [255, 0, 0, 255]);
gl.deleteProgram(program);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from testing");
}
}
};
test();
debug("");
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>
</body>
</html>
|
