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1 <!-- | |
2 Copyright (c) 2009 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 PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" | |
7 "http://www.w3.org/TR/html4/loose.dtd"> | |
8 <html> | |
9 <head> | |
10 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
11 <title>WebGL Framebuffer Test</title> | |
12 <link rel="stylesheet" href="../resources/js-test-style.css"/> | |
13 <script src="../resources/js-test-pre.js"></script> | |
14 <script src="resources/webgl-test.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"); | |
22 | |
23 debug(""); | |
24 debug("Canvas.getContext"); | |
25 | |
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"); | |
32 | |
33 debug(""); | |
34 debug("Checking framebuffer/renderbuffer stuff."); | |
35 | |
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 framebuffe
r should generate INVALID_OPERATION."); | |
42 | |
43 assertMsg(gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE
, | |
44 "calling checkFramebufferStatus on the default framebuffer should ge
nerate FRAMEBUFFER_COMPLETE."); | |
45 | |
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 I
NVALID_OPERATION."); | |
69 | |
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 shou
ld generate INVALID_OPERATION."); | |
77 | |
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 sho
uld succeed."); | |
83 | |
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 g
enerate INVALID_OPERATION."); | |
91 | |
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.RG
BA, gl.UNSIGNED_BYTE, null); | |
95 var fb = gl.createFramebuffer(); | |
96 | |
97 gl.bindFramebuffer(gl.FRAMEBUFFER, fb); | |
98 glErrorShouldBe(gl, gl.NO_ERROR, | |
99 "binding a newly created framebuffer should succeed."); | |
100 | |
101 var target = 0x8CA8; // GL_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_FRAMEB
UFFER should generate INVALID_ENUM."); | |
108 assertMsg(gl.checkFramebufferStatus(target) == 0, | |
109 "calling checkFramebufferStatus with target = READ_FRAMEBUFFER shoul
d return 0."); | |
110 glErrorShouldBe(gl, gl.INVALID_ENUM, | |
111 "calling checkFramebufferStatus with target = READ_FRAMEBUFFER shoul
d generate INVALID_ENUM."); | |
112 gl.bindFramebuffer(target, gl.createFramebuffer()); | |
113 glErrorShouldBe(gl, gl.INVALID_ENUM, | |
114 "calling bindFramebuffer with target = READ_FRAMEBUFFER should gener
ate INVALID_ENUM."); | |
115 assertMsg(fb == gl.getParameter(gl.FRAMEBUFFER_BINDING), | |
116 "calling bindFramebuffer with target = READ_FRAMEBUFFER should not c
hange FRAMEBUFFER_BINDING."); | |
117 gl.getFramebufferAttachmentParameter(target, gl.COLOR_ATTACHMENT0, gl.FRAMEBUF
FER_ATTACHMENT_OBJECT_TYPE); | |
118 glErrorShouldBe(gl, gl.INVALID_ENUM, | |
119 "calling getFramebufferAttachmentParameter with target = READ_FRAMEB
UFFER 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 shou
ld generate INVALID_ENUM."); | |
126 | |
127 var attachment = 0x8CE1; // GL_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 s
hould 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."); | |
134 | |
135 gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, | |
136 gl.COLOR_ATTACHMENT0, | |
137 0x8210); // GL_FRAMEBUFFER_ATTACHMENT_COL
OR_ENCODING | |
138 glErrorShouldBe(gl, gl.INVALID_ENUM, | |
139 "calling getFramebufferAttachmentParameter with pname = GL_FRAMEBUFF
ER_ATTACHMENT_COLOR_ENCODING should generate INVALID_ENUM."); | |
140 | |
141 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, f
btex, 0); | |
142 glErrorShouldBe(gl, gl.NO_ERROR, | |
143 "attaching a texture to a framebuffer should succeed."); | |
144 | |
145 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, n
ull, 0); | |
146 glErrorShouldBe(gl, gl.NO_ERROR, | |
147 "detaching a texture from a framebuffer should succeed."); | |
148 | |
149 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, f
btex, 1); | |
150 glErrorShouldBe(gl, gl.INVALID_VALUE, | |
151 "calling framebufferTexture2D with non-zero mipmap level should gene
rate INVALID_VALUE."); | |
152 | |
153 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFF
ER, rb); | |
154 glErrorShouldBe(gl, gl.NO_ERROR, | |
155 "attaching a renderbuffer to a framebuffer should succeed."); | |
156 | |
157 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFF
ER, null); | |
158 glErrorShouldBe(gl, gl.NO_ERROR, | |
159 "detaching a renderbuffer from a framebuffer should succeed."); | |
160 | |
161 gl.bindFramebuffer(gl.FRAMEBUFFER, null); | |
162 glErrorShouldBe(gl, gl.NO_ERROR, | |
163 "binding default (null) framebuffer should succeed."); | |
164 } | |
165 | |
166 debug(""); | |
167 successfullyParsed = true; | |
168 | |
169 </script> | |
170 <script src="../resources/js-test-post.js"></script> | |
171 <script> | |
172 </script> | |
173 | |
174 </body> | |
175 </html> | |
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