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
|
<!--
/*
** Copyright (c) 2016 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL WEBGL_draw_buffers FRAMEBUFFER_UNSUPPORTED Test</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>
<canvas id="canvas" width="2" height="2"> </canvas>
<script>
"use strict";
var wtu = WebGLTestUtils;
var gl;
var canvas = document.getElementById("canvas");
var fb1 = null;
var fb2 = null;
function checkFramebuffer(expected) {
var actual = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
if (expected.indexOf(actual) < 0) {
var msg = "checkFramebufferStatus expects [";
for (var index = 0; index < expected.length; ++index) {
msg += wtu.glEnumToString(gl, expected[index]);
if (index + 1 < expected.length)
msg += ", ";
}
msg += "], was " + wtu.glEnumToString(gl, actual);
testFailed(msg);
} else {
var msg = "checkFramebufferStatus got " + wtu.glEnumToString(gl, actual) +
" as expected";
testPassed(msg);
}
}
function testImageAttachedTwoPoints() {
debug("");
debug("Checking an image is attached to more than one color attachment in a framebuffer.");
var tex1 = gl.createTexture();
var tex2 = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex1);
gl.texImage2D(gl.TEXTURE_2D,
0, // level
gl.RGBA, // internalFormat
1, // width
1, // height
0, // border
gl.RGBA, // format
gl.UNSIGNED_BYTE, // type
new Uint8Array(4)); // data
gl.bindTexture(gl.TEXTURE_2D, tex2);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4));
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Texture creation should succeed.");
gl.bindFramebuffer(gl.FRAMEBUFFER, fb1);
gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT0_WEBGL, gl.TEXTURE_2D, tex1, 0);
checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]);
gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT1_WEBGL, gl.TEXTURE_2D, tex2, 0);
checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]);
gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT2_WEBGL, gl.TEXTURE_2D, tex1, 0);
checkFramebuffer([gl.FRAMEBUFFER_UNSUPPORTED]);
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
gl.bindFramebuffer(gl.FRAMEBUFFER, fb2);
var texCube = gl.createTexture();
gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCube);
for (var target = gl.TEXTURE_CUBE_MAP_POSITIVE_X; target < gl.TEXTURE_CUBE_MAP_POSITIVE_X + 6; target++) {
gl.texImage2D(target, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4));
}
gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT0_WEBGL, gl.TEXTURE_CUBE_MAP_POSITIVE_X, texCube, 0);
checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]);
gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT1_WEBGL, gl.TEXTURE_CUBE_MAP_POSITIVE_Y, texCube, 0);
checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]);
gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT2_WEBGL, gl.TEXTURE_CUBE_MAP_POSITIVE_X, texCube, 0);
checkFramebuffer([gl.FRAMEBUFFER_UNSUPPORTED]);
// Clean up
gl.deleteTexture(tex1);
gl.deleteTexture(tex2);
gl.deleteTexture(texCube);
}
description("This tests FRAMEBUFFER_UNSUPPORTED.");
shouldBeNonNull("gl = wtu.create3DContext(undefined, undefined, 1)");
fb1 = gl.createFramebuffer();
fb2 = gl.createFramebuffer();
var ext = gl.getExtension("WEBGL_draw_buffers");
if (!ext) {
testPassed("No WEBGL_draw_buffers support -- this is legal");
} else {
var bufs = [ext.COLOR_ATTACHMENT0_WEBGL, ext.COLOR_ATTACHMENT1_WEBGL, ext.COLOR_ATTACHMENT2_WEBGL];
gl.bindFramebuffer(gl.FRAMEBUFFER, fb1);
ext.drawBuffersWEBGL(bufs);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be able to call drawBuffersWEBGL successfully");
gl.bindFramebuffer(gl.FRAMEBUFFER, fb2);
ext.drawBuffersWEBGL(bufs);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be able to call drawBuffersWEBGL successfully");
testPassed("Successfully enabled WEBGL_draw_buffers extension");
testImageAttachedTwoPoints();
gl.deleteFramebuffer(fb1);
gl.deleteFramebuffer(fb2);
}
debug("");
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>
</body>
</html>
|
