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Issue 10399113: Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/
Patch Set: Created 8 years, 7 months ago
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1 <!--
2
3 /*
4 ** Copyright (c) 2012 The Khronos Group Inc.
5 **
6 ** Permission is hereby granted, free of charge, to any person obtaining a
7 ** copy of this software and/or associated documentation files (the
8 ** "Materials"), to deal in the Materials without restriction, including
9 ** without limitation the rights to use, copy, modify, merge, publish,
10 ** distribute, sublicense, and/or sell copies of the Materials, and to
11 ** permit persons to whom the Materials are furnished to do so, subject to
12 ** the following conditions:
13 **
14 ** The above copyright notice and this permission notice shall be included
15 ** in all copies or substantial portions of the Materials.
16 **
17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
24 */
25
26 -->
27
28 <!DOCTYPE html>
29 <html>
30 <head>
31 <meta charset="utf-8">
32 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
33 <script src="../../resources/js-test-pre.js"></script>
34 <script src="../resources/webgl-test.js"></script>
35 <script src="../resources/webgl-test-utils.js"></script>
36 </head>
37 <body>
38 <div id="description"></div>
39 <div id="console"></div>
40
41 <script>
42 description("Tests deletion behavior for texture, renderbuffer, shader, and prog ram");
43
44 var wtu = WebGLTestUtils;
45 var gl = wtu.create3DContext();
46 var shouldGenerateGLError = wtu.shouldGenerateGLError;
47
48 debug("");
49 debug("shader and program deletion");
50
51 var vertexShader = wtu.loadStandardVertexShader(gl);
52 assertMsg(vertexShader, "vertex shader loaded");
53 var fragmentShader = wtu.loadStandardFragmentShader(gl);
54 assertMsg(fragmentShader, "fragment shader loaded");
55
56 var program = gl.createProgram();
57 shouldBeNonNull("program");
58 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, vertexShader)") ;
59 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, fragmentShader) ");
60 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.linkProgram(program)");
61 shouldBeTrue("gl.getProgramParameter(program, gl.LINK_STATUS)");
62 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(program)");
63 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(vertexShader)");
64 shouldBeTrue("gl.isShader(vertexShader)");
65 shouldBeTrue("gl.getShaderParameter(vertexShader, gl.DELETE_STATUS)");
66 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.detachShader(program, vertexShader)") ;
67 shouldBeFalse("gl.isShader(vertexShader)");
68 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(fragmentShader)");
69 shouldBeTrue("gl.isShader(fragmentShader)");
70 shouldBeTrue("gl.getShaderParameter(fragmentShader, gl.DELETE_STATUS)");
71 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteProgram(program)");
72 shouldBeTrue("gl.isProgram(program)");
73 shouldBeTrue("gl.getProgramParameter(program, gl.DELETE_STATUS)");
74 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(null)");
75 shouldBeFalse("gl.isProgram(program)");
76 shouldBeFalse("gl.isShader(fragmentShader)");
77
78 debug("");
79 debug("texture deletion");
80
81 var fbo = gl.createFramebuffer(), fbo2 = gl.createFramebuffer(), fbo3 = gl.creat eFramebuffer();
82 shouldBeNonNull("fbo");
83 shouldBeNonNull("fbo2");
84 shouldBeNonNull("fbo3");
85 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
86
87 var tex = gl.createTexture();
88 shouldBeNonNull("tex");
89 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
90 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "tex");
91 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
92 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
93 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.TEXTURE");
94 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
95 // Deleting a texture bound to the currently-bound fbo is the same as
96 // detaching the textue from fbo first, then delete the texture.
97 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
98 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter (gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
99 shouldBeFalse("gl.isTexture(tex)");
100 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
101 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
102 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
103
104 var texCubeMap = gl.createTexture();
105 shouldBeNonNull("texCubeMap");
106 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texC ubeMap)");
107 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)", "texCubeMap");
108 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(texCubeMap)");
109 shouldBeFalse("gl.isTexture(texCubeMap)");
110 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
111 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texC ubeMap)");
112 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
113
114 var t = gl.createTexture();
115 shouldBeNonNull("t");
116 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
117 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTU RE_WRAP_S, gl.CLAMP_TO_EDGE)");
118 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t)");
119 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
120 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)");
121
122 var t2 = gl.createTexture();
123 shouldBeNonNull("t2");
124 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
125 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
126 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
127 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE1)");
128 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
129 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
130 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t2)");
131 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
132 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
133 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
134
135 debug("");
136 debug("renderbuffer deletion");
137
138 var rbo = gl.createRenderbuffer(), rbo2 = gl.createRenderbuffer(), rbo3 = gl.cre ateRenderbuffer();
139 shouldBeNonNull("rbo");
140 shouldBeNonNull("rbo2");
141 shouldBeNonNull("rbo3");
142 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
143 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo");
144 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
145 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
146 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
147 // Deleting a renderbuffer bound to the currently-bound fbo is the same as
148 // detaching the renderbuffer from fbo first, then delete the renderbuffer.
149 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
150 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter (gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
151 shouldBeFalse("gl.isRenderbuffer(rbo)");
152 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
153 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
154 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
155 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo 2)");
156 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
157 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo3)");
158 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
159
160 debug("");
161 debug("using deleted renderbuffer");
162 rbo = gl.createRenderbuffer();
163 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
164 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
165 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
166 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
167 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
168 // make backbuffer red
169 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
170 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
171 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
172 // make fbo green
173 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
174 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
175 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
176 // Bind backbuffer.
177 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
178 // delete renderbuffer. It should still be attached to fbo though.
179 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
180 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
181 // Use fbo that has deleted rbo.
182 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
183 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
184 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
185 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
186 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
187 // Bind backbuffer.
188 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
189 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
190 }
191
192 debug("");
193 debug("renderbuffer attached twice to same framebuffer");
194 rbo = gl.createRenderbuffer();
195 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
196 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
197 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
198 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
199 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
200 rbo2 = gl.createRenderbuffer();
201 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, r bo2)");
202 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER , gl.RGBA4, 16, 16)");
203 // attach rbo2 at two attachment points incompatible with it
204 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
205 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.STENCIL_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
206 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACH MENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
207 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTA CHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
208 // fbo can't be complete as rbo2 is attached at incompatible attachment points
209 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
210 // now we delete rbo2, which detaches it from the two attachment points where it currently is attached
211 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo2)");
212 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACH MENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
213 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTA CHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
214 // we should now be in the same state as before with only rbo attached, so fbo should be complete again
215 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
216 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
217 }
218 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
219 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null) ");
220
221
222
223 debug("");
224 debug("using deleted texture");
225 tex = gl.createTexture();
226 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
227 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
228 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
229 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
230 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
231 // make fbo green
232 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
233 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
234 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
235 // Bind backbuffer.
236 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
237 // delete texture. It should still be attached to fbo though.
238 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
239 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [2 55,0,0,255], "backbuffer should be red")');
240 // Use fbo that has deleted texture.
241 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
242 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,255,0,255], "fbo should be green")');
243 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
244 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
245 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,0,255,255], "fbo should be blue")');
246 // Bind backbuffer.
247 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
248 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
249 }
250
251 debug("");
252 debug("using deleted renderbuffer");
253 rbo = gl.createRenderbuffer();
254 shouldBeNonNull("rbo");
255 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
256 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
257 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
258 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
259 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
260 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
261 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
262 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
263 // make backbuffer red
264 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
265 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
266 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
267 // make fbo green
268 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
269 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
270 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
271 // delete renderbuffer. It should still be attached to fbo2 though.
272 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
273 // fbo has no attachments
274 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
275 // Use fbo2 that has deleted rbo.
276 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
277 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
278 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
279 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
280 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
281 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
282
283 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
284 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParamet er(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)" );
285 shouldGenerateGLError(gl, gl.NONE, "gl.getFramebufferAttachmentParameter(gl.FR AMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)");
286 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
287 // Bind backbuffer.
288 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
289 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
290 }
291
292 debug("");
293 debug("using deleted texture");
294 tex = gl.createTexture();
295 shouldBeNonNull("tex");
296 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
297 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
298 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
299 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
300 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
301 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
302 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER , gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
303 // make fbo green
304 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
305 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
306 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
307 // delete texture. It should still be attached to fbo2 though.
308 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
309 // fbo has no attachments
310 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
311 // Use fbo that has deleted texture.
312 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
313 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
314 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,255,0,255], "fbo should be green")');
315 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
316 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
317 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,0,255,255], "fbo should be blue")');
318 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
319
320 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
321 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParamet er(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)" );
322 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
323 // Bind backbuffer.
324 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
325 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
326 }
327
328 debug("");
329 debug("buffer deletion");
330
331 var buffer = gl.createBuffer();
332 shouldBeNonNull("buffer");
333 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)") ;
334 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer");
335 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer)");
336 shouldBeFalse("gl.isBuffer(buffer)");
337 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
338 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)") ;
339 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
340
341 var buffer2 = gl.createBuffer();
342 shouldBeNonNull("buffer2");
343 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)" );
344 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer2");
345 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, null)");
346 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
347 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer2)");
348 shouldBeFalse("gl.isBuffer(buffer2)");
349 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)" );
350 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
351
352 var bufferElement = gl.createBuffer();
353 shouldBeNonNull("bufferElement");
354 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, b ufferElement)");
355 shouldBe("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)", "bufferElement");
356 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferElement)");
357 shouldBeFalse("gl.isBuffer(bufferElement)");
358 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
359 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, b ufferElement)");
360 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
361
362 var b = gl.createBuffer();
363 shouldBeNonNull("b");
364 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
365 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STA TIC_DRAW)");
366 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b)");
367 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
368 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW)");
369
370 var b1 = gl.createBuffer();
371 shouldBeNonNull("b1");
372 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b1);");
373 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(1);");
374 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(1, 4, gl.FLOAT, f alse, 0, 0);");
375 var b2 = gl.createBuffer();
376 shouldBeNonNull("b2");
377 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b2);");
378 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(2);");
379 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(2, 4, gl.FLOAT, f alse, 0, 0);");
380 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(3);");
381 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(3, 4, gl.FLOAT, f alse, 0, 0);");
382 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
383 shouldBe("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
384 shouldBe("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
385 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b2);");
386 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
387 shouldBeNull("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
388 shouldBeNull("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
389 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b1);");
390 shouldBeNull("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
391
392 debug("");
393 debug("framebuffer deletion");
394
395 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
396 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo");
397 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
398 shouldBeFalse("gl.isFramebuffer(fbo)");
399 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
400 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
401 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
402 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2) ");
403 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
404 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo3)");
405 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
406
407 fbo = gl.createFramebuffer();
408 rbo = gl.createRenderbuffer();
409 shouldBeNonNull("fbo");
410 shouldBeNonNull("rbo");
411 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
412 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
413 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
414 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
415 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
416 // set backbuffer to red
417 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
418 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
419 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
420 // set framebuffer to green
421 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
422 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
423 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
424 // check framebuffer
425 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
426 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 16, 16, 1, 1, [0,0,0,0], "outside fbo should be black")');
427 // delete framebuffer. because this was the bound fbo the backbuffer should be active now
428 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
429 // check backbuffer
430 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [255,0,0,255], "backbuffer should be red")');
431 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 300, 0, 300, 3 00, [0,0,0,0], "outside backbuffer should be black")');
432 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 150, 300, 3 00, [0,0,0,0], "outside backbuffer should be black")');
433 // check drawing to backbuffer
434 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
435 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
436 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [0,255,0,255], "fbo should be green")');
437 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
438 // check again because many buggy implementations will have bound to the true backbuffer on deleteFramebuffer.
439 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [0,255,0,255], "fbo should be green")');
440 }
441
442 successfullyParsed = true;
443 </script>
444
445 <script src="../../resources/js-test-post.js"></script>
446 </body>
447 </html>
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