content/canvas/test/webgl-conformance/conformance/renderbuffers/framebuffer-test.html@deefc01c0e14
content/canvas/test/webgl-conformance/conformance/renderbuffers/framebuffer-test.html
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 <!--
2 Copyright (c) 2011 The Chromium Authors. All rights reserved.
3 Use of this source code is governed by a BSD-style license that can be
4 found in the LICENSE file.
5 -->
6 <!DOCTYPE html>
7 <html>
8 <head>
9 <meta charset="utf-8">
10 <title>WebGL Framebuffer Test</title>
11 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
12 <script src="../../resources/js-test-pre.js"></script>
13 <script src="../resources/webgl-test.js"></script>
14 <script src="../../resources/desktop-gl-constants.js"></script>
15 </head>
16 <body>
17 <div id="description"></div>
18 <div id="console"></div>
19 <canvas id="canvas" width="2" height="2"> </canvas>
20 <script>
21 description("This tests framebuffer/renderbuffer-related functions");
23 debug("");
24 debug("Canvas.getContext");
26 var canvas = document.getElementById("canvas");
27 var gl = create3DContext(canvas);
28 if (!gl) {
29 testFailed("context does not exist");
30 } else {
31 testPassed("context exists");
33 debug("");
34 debug("Checking framebuffer/renderbuffer stuff.");
36 var value = gl.getFramebufferAttachmentParameter(
37 gl.FRAMEBUFFER,
38 gl.COLOR_ATTACHMENT0,
39 gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE);
40 glErrorShouldBe(gl, gl.INVALID_OPERATION,
41 "calling getFramebufferAttachmentParameter on the default framebuffer should generate INVALID_OPERATION.");
43 assertMsg(gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE,
44 "calling checkFramebufferStatus on the default framebuffer should generate FRAMEBUFFER_COMPLETE.");
46 var tex = gl.createTexture();
47 gl.bindTexture(gl.TEXTURE_2D, tex);
48 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
49 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
50 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
51 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
52 gl.texImage2D(gl.TEXTURE_2D,
53 0, // level
54 gl.RGBA, // internalFormat
55 canvas.width, // width
56 canvas.height, // height
57 0, // border
58 gl.RGBA, // format
59 gl.UNSIGNED_BYTE, // type
60 null); // data
61 gl.framebufferTexture2D(
62 gl.FRAMEBUFFER,
63 gl.COLOR_ATTACHMENT0,
64 gl.TEXTURE_2D,
65 tex,
66 0);
67 glErrorShouldBe(gl, gl.INVALID_OPERATION,
68 "trying to attach a texture to default framebuffer should generate INVALID_OPERATION.");
70 gl.framebufferRenderbuffer(
71 gl.FRAMEBUFFER,
72 gl.COLOR_ATTACHMENT0,
73 gl.RENDERBUFFER,
74 null);
75 glErrorShouldBe(gl, gl.INVALID_OPERATION,
76 "trying to detach default renderbuffer from default framebuffer should generate INVALID_OPERATION.");
78 var rb = gl.createRenderbuffer();
79 gl.bindRenderbuffer(gl.RENDERBUFFER, rb);
80 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, canvas.width, canvas.height);
81 glErrorShouldBe(gl, gl.NO_ERROR,
82 "allocating renderbuffer storage of a newly created renderbuffer should succeed.");
84 gl.framebufferRenderbuffer(
85 gl.FRAMEBUFFER,
86 gl.COLOR_ATTACHMENT0,
87 gl.RENDERBUFFER,
88 rb);
89 glErrorShouldBe(gl, gl.INVALID_OPERATION,
90 "trying to attach a renderbuffer to the default framebuffer should generate INVALID_OPERATION.");
92 var fbtex = gl.createTexture();
93 gl.bindTexture(gl.TEXTURE_2D, fbtex);
94 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, canvas.width, canvas.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
95 var fb = gl.createFramebuffer();
97 gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
98 glErrorShouldBe(gl, gl.NO_ERROR,
99 "binding a newly created framebuffer should succeed.");
101 var target = desktopGL.READ_FRAMEBUFFER
102 gl.getFramebufferAttachmentParameter(
103 target,
104 gl.COLOR_ATTACHMENT0,
105 gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE);
106 glErrorShouldBe(gl, gl.INVALID_ENUM,
107 "calling getFramebufferAttachmentParameter with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
108 assertMsg(gl.checkFramebufferStatus(target) == 0,
109 "calling checkFramebufferStatus with target = READ_FRAMEBUFFER should return 0.");
110 glErrorShouldBe(gl, gl.INVALID_ENUM,
111 "calling checkFramebufferStatus with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
112 gl.bindFramebuffer(target, gl.createFramebuffer());
113 glErrorShouldBe(gl, gl.INVALID_ENUM,
114 "calling bindFramebuffer with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
115 assertMsg(fb == gl.getParameter(gl.FRAMEBUFFER_BINDING),
116 "calling bindFramebuffer with target = READ_FRAMEBUFFER should not change FRAMEBUFFER_BINDING.");
117 gl.getFramebufferAttachmentParameter(target, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE);
118 glErrorShouldBe(gl, gl.INVALID_ENUM,
119 "calling getFramebufferAttachmentParameter with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
120 gl.framebufferTexture2D(target, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, fbtex, 0);
121 glErrorShouldBe(gl, gl.INVALID_ENUM,
122 "calling framebufferTexImage2D with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
123 gl.framebufferRenderbuffer(target, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb);
124 glErrorShouldBe(gl, gl.INVALID_ENUM,
125 "calling framebufferRenderbuffer with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
127 var attachment = desktopGL.COLOR_ATTACHMENT1
128 gl.framebufferTexture2D(gl.FRAMEBUFFER, attachment, gl.TEXTURE_2D, fbtex, 0);
129 glErrorShouldBe(gl, gl.INVALID_ENUM,
130 "calling framebufferTexImage2D with attachment = COLOR_ATTACHMENT1 should generate INVALID_ENUM.");
131 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment, gl.RENDERBUFFER, rb);
132 glErrorShouldBe(gl, gl.INVALID_ENUM,
133 "calling framebufferRenderbuffer with attachment = COLOR_ATTACHMENT1 should generate INVALID_ENUM.");
135 gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER,
136 gl.COLOR_ATTACHMENT0,
137 desktopGL.FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING);
138 glErrorShouldBe(gl, gl.INVALID_ENUM,
139 "calling getFramebufferAttachmentParameter with pname = GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING should generate INVALID_ENUM.");
141 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, fbtex, 0);
142 glErrorShouldBe(gl, gl.NO_ERROR,
143 "attaching a texture to a framebuffer should succeed.");
145 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, null, 0);
146 glErrorShouldBe(gl, gl.NO_ERROR,
147 "detaching a texture from a framebuffer should succeed.");
149 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, fbtex, 1);
150 glErrorShouldBe(gl, gl.INVALID_VALUE,
151 "calling framebufferTexture2D with non-zero mipmap level should generate INVALID_VALUE.");
153 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb);
154 glErrorShouldBe(gl, gl.NO_ERROR,
155 "attaching a renderbuffer to a framebuffer should succeed.");
157 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, null);
158 glErrorShouldBe(gl, gl.NO_ERROR,
159 "detaching a renderbuffer from a framebuffer should succeed.");
161 gl.bindFramebuffer(gl.FRAMEBUFFER, null);
162 glErrorShouldBe(gl, gl.NO_ERROR,
163 "binding default (null) framebuffer should succeed.");
164 }
166 debug("");
167 successfullyParsed = true;
169 </script>
170 <script>finishTest();</script>
172 </body>
173 </html>
