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Issue 9373009: Check in webgl conformance tests r16844 from khronos. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/
Patch Set: Created 8 years, 10 months ago
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1 <!--
2 Copyright (c) 2011 The Chromium Authors.
3 Copyright (c) 2011 Mozilla Foundation.
4
5 All rights reserved.
6 Use of this source code is governed by a BSD-style license that can be
7 found in the LICENSE file.
8 -->
9 <!DOCTYPE html>
10 <html>
11 <head>
12 <meta charset="utf-8">
13 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
14 <script src="../../resources/js-test-pre.js"></script>
15 <script src="../resources/webgl-test.js"></script>
16 <script src="../resources/webgl-test-utils.js"></script>
17 </head>
18 <body>
19 <div id="description"></div>
20 <div id="console"></div>
21
22 <script>
23 description("Tests deletion behavior for texture, renderbuffer, shader, and prog ram");
24
25 var wtu = WebGLTestUtils;
26 var gl = wtu.create3DContext();
27 var shouldGenerateGLError = wtu.shouldGenerateGLError;
28
29 debug("");
30 debug("shader and program deletion");
31
32 var vertexShader = wtu.loadStandardVertexShader(gl);
33 assertMsg(vertexShader, "vertex shader loaded");
34 var fragmentShader = wtu.loadStandardFragmentShader(gl);
35 assertMsg(fragmentShader, "fragment shader loaded");
36
37 var program = gl.createProgram();
38 shouldBeNonNull("program");
39 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, vertexShader)") ;
40 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, fragmentShader) ");
41 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.linkProgram(program)");
42 shouldBeTrue("gl.getProgramParameter(program, gl.LINK_STATUS)");
43 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(program)");
44 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(vertexShader)");
45 shouldBeTrue("gl.isShader(vertexShader)");
46 shouldBeTrue("gl.getShaderParameter(vertexShader, gl.DELETE_STATUS)");
47 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.detachShader(program, vertexShader)") ;
48 shouldBeFalse("gl.isShader(vertexShader)");
49 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(fragmentShader)");
50 shouldBeTrue("gl.isShader(fragmentShader)");
51 shouldBeTrue("gl.getShaderParameter(fragmentShader, gl.DELETE_STATUS)");
52 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteProgram(program)");
53 shouldBeTrue("gl.isProgram(program)");
54 shouldBeTrue("gl.getProgramParameter(program, gl.DELETE_STATUS)");
55 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(null)");
56 shouldBeFalse("gl.isProgram(program)");
57 shouldBeFalse("gl.isShader(fragmentShader)");
58
59 debug("");
60 debug("texture deletion");
61
62 var fbo = gl.createFramebuffer(), fbo2 = gl.createFramebuffer(), fbo3 = gl.creat eFramebuffer();
63 shouldBeNonNull("fbo");
64 shouldBeNonNull("fbo2");
65 shouldBeNonNull("fbo3");
66 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
67
68 var tex = gl.createTexture();
69 shouldBeNonNull("tex");
70 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
71 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "tex");
72 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
73 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
74 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.TEXTURE");
75 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
76 // Deleting a texture bound to the currently-bound fbo is the same as
77 // detaching the textue from fbo first, then delete the texture.
78 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
79 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter (gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
80 shouldBeFalse("gl.isTexture(tex)");
81 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
82 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
83 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
84
85 var texCubeMap = gl.createTexture();
86 shouldBeNonNull("texCubeMap");
87 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texC ubeMap)");
88 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)", "texCubeMap");
89 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(texCubeMap)");
90 shouldBeFalse("gl.isTexture(texCubeMap)");
91 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
92 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texC ubeMap)");
93 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
94
95 var t = gl.createTexture();
96 shouldBeNonNull("t");
97 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
98 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTU RE_WRAP_S, gl.CLAMP_TO_EDGE)");
99 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t)");
100 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
101 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)");
102
103 var t2 = gl.createTexture();
104 shouldBeNonNull("t2");
105 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
106 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
107 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
108 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE1)");
109 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
110 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
111 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t2)");
112 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
113 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
114 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
115
116 debug("");
117 debug("renderbuffer deletion");
118
119 var rbo = gl.createRenderbuffer(), rbo2 = gl.createRenderbuffer(), rbo3 = gl.cre ateRenderbuffer();
120 shouldBeNonNull("rbo");
121 shouldBeNonNull("rbo2");
122 shouldBeNonNull("rbo3");
123 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
124 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo");
125 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
126 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
127 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
128 // Deleting a renderbuffer bound to the currently-bound fbo is the same as
129 // detaching the renderbuffer from fbo first, then delete the renderbuffer.
130 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
131 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter (gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
132 shouldBeFalse("gl.isRenderbuffer(rbo)");
133 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
134 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
135 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
136 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo 2)");
137 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
138 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo3)");
139 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
140
141 debug("");
142 debug("using deleted renderbuffer");
143 rbo = gl.createRenderbuffer();
144 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
145 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
146 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
147 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
148 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
149 // make backbuffer red
150 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
151 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
152 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
153 // make fbo green
154 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
155 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
156 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
157 // Bind backbuffer.
158 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
159 // delete renderbuffer. It should still be attached to fbo though.
160 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
161 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
162 // Use fbo that has deleted rbo.
163 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
164 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
165 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
166 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
167 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
168 // Bind backbuffer.
169 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
170 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
171 }
172
173 debug("");
174 debug("renderbuffer attached twice to same framebuffer");
175 rbo = gl.createRenderbuffer();
176 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
177 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
178 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
179 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
180 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
181 rbo2 = gl.createRenderbuffer();
182 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, r bo2)");
183 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER , gl.RGBA4, 16, 16)");
184 // attach rbo2 at two attachment points incompatible with it
185 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
186 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.STENCIL_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
187 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACH MENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
188 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTA CHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
189 // fbo can't be complete as rbo2 is attached at incompatible attachment points
190 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
191 // now we delete rbo2, which detaches it from the two attachment points where it currently is attached
192 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo2)");
193 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACH MENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
194 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTA CHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
195 // we should now be in the same state as before with only rbo attached, so fbo should be complete again
196 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
197 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
198 }
199 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
200 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null) ");
201
202
203
204 debug("");
205 debug("using deleted texture");
206 tex = gl.createTexture();
207 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
208 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
209 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
210 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
211 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
212 // make fbo green
213 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
214 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
215 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
216 // Bind backbuffer.
217 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
218 // delete texture. It should still be attached to fbo though.
219 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
220 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [2 55,0,0,255], "backbuffer should be red")');
221 // Use fbo that has deleted texture.
222 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
223 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,255,0,255], "fbo should be green")');
224 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
225 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
226 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,0,255,255], "fbo should be blue")');
227 // Bind backbuffer.
228 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
229 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
230 }
231
232 debug("");
233 debug("using deleted renderbuffer");
234 rbo = gl.createRenderbuffer();
235 shouldBeNonNull("rbo");
236 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
237 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
238 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
239 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
240 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
241 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
242 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
243 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
244 // make backbuffer red
245 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
246 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
247 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
248 // make fbo green
249 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
250 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
251 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
252 // delete renderbuffer. It should still be attached to fbo2 though.
253 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
254 // fbo has no attachments
255 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
256 // Use fbo2 that has deleted rbo.
257 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
258 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
259 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
260 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
261 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
262 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
263
264 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
265 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParamet er(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)" );
266 shouldGenerateGLError(gl, gl.NONE, "gl.getFramebufferAttachmentParameter(gl.FR AMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)");
267 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
268 // Bind backbuffer.
269 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
270 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
271 }
272
273 debug("");
274 debug("using deleted texture");
275 tex = gl.createTexture();
276 shouldBeNonNull("tex");
277 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
278 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
279 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
280 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
281 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
282 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
283 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER , gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
284 // make fbo green
285 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
286 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
287 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
288 // delete texture. It should still be attached to fbo2 though.
289 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
290 // fbo has no attachments
291 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
292 // Use fbo that has deleted texture.
293 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
294 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
295 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,255,0,255], "fbo should be green")');
296 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
297 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
298 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,0,255,255], "fbo should be blue")');
299 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
300
301 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
302 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParamet er(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)" );
303 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
304 // Bind backbuffer.
305 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
306 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
307 }
308
309 debug("");
310 debug("buffer deletion");
311
312 var buffer = gl.createBuffer();
313 shouldBeNonNull("buffer");
314 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)") ;
315 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer");
316 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer)");
317 shouldBeFalse("gl.isBuffer(buffer)");
318 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
319 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)") ;
320 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
321
322 var buffer2 = gl.createBuffer();
323 shouldBeNonNull("buffer2");
324 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)" );
325 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer2");
326 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, null)");
327 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
328 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer2)");
329 shouldBeFalse("gl.isBuffer(buffer2)");
330 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)" );
331 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
332
333 var bufferElement = gl.createBuffer();
334 shouldBeNonNull("bufferElement");
335 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, b ufferElement)");
336 shouldBe("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)", "bufferElement");
337 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferElement)");
338 shouldBeFalse("gl.isBuffer(bufferElement)");
339 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
340 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, b ufferElement)");
341 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
342
343 var b = gl.createBuffer();
344 shouldBeNonNull("b");
345 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
346 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STA TIC_DRAW)");
347 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b)");
348 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
349 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW)");
350
351 var b1 = gl.createBuffer();
352 shouldBeNonNull("b1");
353 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b1);");
354 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(1);");
355 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(1, 4, gl.FLOAT, f alse, 0, 0);");
356 var b2 = gl.createBuffer();
357 shouldBeNonNull("b2");
358 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b2);");
359 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(2);");
360 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(2, 4, gl.FLOAT, f alse, 0, 0);");
361 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(3);");
362 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(3, 4, gl.FLOAT, f alse, 0, 0);");
363 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
364 shouldBe("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
365 shouldBe("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
366 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b2);");
367 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
368 shouldBeNull("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
369 shouldBeNull("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
370 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b1);");
371 shouldBeNull("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
372
373 debug("");
374 debug("framebuffer deletion");
375
376 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
377 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo");
378 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
379 shouldBeFalse("gl.isFramebuffer(fbo)");
380 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
381 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
382 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
383 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2) ");
384 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
385 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo3)");
386 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
387
388 fbo = gl.createFramebuffer();
389 rbo = gl.createRenderbuffer();
390 shouldBeNonNull("fbo");
391 shouldBeNonNull("rbo");
392 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
393 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
394 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
395 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
396 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
397 // set backbuffer to red
398 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
399 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
400 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
401 // set framebuffer to green
402 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
403 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
404 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
405 // check framebuffer
406 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
407 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 16, 16, 1, 1, [0,0,0,0], "outside fbo should be black")');
408 // delete framebuffer. because this was the bound fbo the backbuffer should be active now
409 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
410 // check backbuffer
411 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [255,0,0,255], "backbuffer should be red")');
412 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 300, 0, 300, 3 00, [0,0,0,0], "outside backbuffer should be black")');
413 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 150, 300, 3 00, [0,0,0,0], "outside backbuffer should be black")');
414 // check drawing to backbuffer
415 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
416 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
417 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [0,255,0,255], "fbo should be green")');
418 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
419 // check again because many buggy implementations will have bound to the true backbuffer on deleteFramebuffer.
420 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [0,255,0,255], "fbo should be green")');
421 }
422
423 successfullyParsed = true;
424 </script>
425
426 <script src="../../resources/js-test-post.js"></script>
427 </body>
428 </html>
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