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Issue 41503006: Add ToT WebGL conformance tests : part 8 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 7 years, 2 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 "use strict";
43 description("Tests deletion behavior for texture, renderbuffer, shader, and prog ram");
44
45 var wtu = WebGLTestUtils;
46 var gl = wtu.create3DContext();
47 var shouldGenerateGLError = wtu.shouldGenerateGLError;
48
49 debug("");
50 debug("shader and program deletion");
51
52 var vertexShader = wtu.loadStandardVertexShader(gl);
53 assertMsg(vertexShader, "vertex shader loaded");
54 var fragmentShader = wtu.loadStandardFragmentShader(gl);
55 assertMsg(fragmentShader, "fragment shader loaded");
56
57 var program = gl.createProgram();
58 shouldBeNonNull("program");
59 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, vertexShader)") ;
60 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, fragmentShader) ");
61 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.linkProgram(program)");
62 shouldBeTrue("gl.getProgramParameter(program, gl.LINK_STATUS)");
63 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(program)");
64 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(vertexShader)");
65 shouldBeTrue("gl.isShader(vertexShader)");
66 shouldBeTrue("gl.getShaderParameter(vertexShader, gl.DELETE_STATUS)");
67 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.detachShader(program, vertexShader)") ;
68 shouldBeFalse("gl.isShader(vertexShader)");
69 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(fragmentShader)");
70 shouldBeTrue("gl.isShader(fragmentShader)");
71 shouldBeTrue("gl.getShaderParameter(fragmentShader, gl.DELETE_STATUS)");
72 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteProgram(program)");
73 shouldBeTrue("gl.isProgram(program)");
74 shouldBeTrue("gl.getProgramParameter(program, gl.DELETE_STATUS)");
75 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(null)");
76 shouldBeFalse("gl.isProgram(program)");
77 shouldBeFalse("gl.isShader(fragmentShader)");
78
79 debug("");
80 debug("texture deletion");
81
82 var fbo = gl.createFramebuffer(), fbo2 = gl.createFramebuffer(), fbo3 = gl.creat eFramebuffer();
83 shouldBeNonNull("fbo");
84 shouldBeNonNull("fbo2");
85 shouldBeNonNull("fbo3");
86 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
87
88 var tex = gl.createTexture();
89 shouldBeNonNull("tex");
90 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
91 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "tex");
92 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
93 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
94 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.TEXTURE");
95 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
96 // Deleting a texture bound to the currently-bound fbo is the same as
97 // detaching the textue from fbo first, then delete the texture.
98 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
99 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter (gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
100 shouldBeFalse("gl.isTexture(tex)");
101 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
102 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
103 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
104
105 var texCubeMap = gl.createTexture();
106 shouldBeNonNull("texCubeMap");
107 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texC ubeMap)");
108 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)", "texCubeMap");
109 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(texCubeMap)");
110 shouldBeFalse("gl.isTexture(texCubeMap)");
111 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
112 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texC ubeMap)");
113 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
114
115 var t = gl.createTexture();
116 shouldBeNonNull("t");
117 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
118 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTU RE_WRAP_S, gl.CLAMP_TO_EDGE)");
119 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t)");
120 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
121 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)");
122
123 var t2 = gl.createTexture();
124 shouldBeNonNull("t2");
125 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
126 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
127 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
128 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE1)");
129 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
130 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
131 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t2)");
132 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
133 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
134 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
135
136 debug("");
137 debug("renderbuffer deletion");
138
139 var rbo = gl.createRenderbuffer(), rbo2 = gl.createRenderbuffer(), rbo3 = gl.cre ateRenderbuffer();
140 shouldBeNonNull("rbo");
141 shouldBeNonNull("rbo2");
142 shouldBeNonNull("rbo3");
143 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
144 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo");
145 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
146 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
147 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
148 // Deleting a renderbuffer bound to the currently-bound fbo is the same as
149 // detaching the renderbuffer from fbo first, then delete the renderbuffer.
150 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHME NT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
151 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter (gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
152 shouldBeFalse("gl.isRenderbuffer(rbo)");
153 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
154 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
155 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
156 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo 2)");
157 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
158 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo3)");
159 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
160
161 debug("");
162 debug("using deleted renderbuffer");
163 rbo = gl.createRenderbuffer();
164 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
165 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
166 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
167 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
168 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
169 // make backbuffer red
170 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
171 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
172 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
173 // make fbo green
174 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
175 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
176 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
177 // Bind backbuffer.
178 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
179 // delete renderbuffer. It should still be attached to fbo though.
180 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
181 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
182 // Use fbo that has deleted rbo.
183 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
184 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
185 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
186 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
187 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
188 // Bind backbuffer.
189 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
190 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
191 }
192
193 debug("");
194 debug("renderbuffer attached twice to same framebuffer");
195 rbo = gl.createRenderbuffer();
196 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
197 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
198 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
199 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
200 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
201 rbo2 = gl.createRenderbuffer();
202 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, r bo2)");
203 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER , gl.RGBA4, 16, 16)");
204 // attach rbo2 at two attachment points incompatible with it
205 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
206 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.STENCIL_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
207 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACH MENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
208 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTA CHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
209 // fbo can't be complete as rbo2 is attached at incompatible attachment points
210 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
211 // now we delete rbo2, which detaches it from the two attachment points where it currently is attached
212 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo2)");
213 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACH MENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
214 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTA CHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
215 // we should now be in the same state as before with only rbo attached, so fbo should be complete again
216 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
217 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
218 }
219 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
220 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null) ");
221
222
223
224 debug("");
225 debug("using deleted texture");
226 tex = gl.createTexture();
227 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
228 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
229 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
230 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
231 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
232 // make fbo green
233 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
234 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
235 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
236 // Bind backbuffer.
237 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
238 // delete texture. It should still be attached to fbo though.
239 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
240 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [2 55,0,0,255], "backbuffer should be red")');
241 // Use fbo that has deleted texture.
242 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
243 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,255,0,255], "fbo should be green")');
244 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
245 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
246 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,0,255,255], "fbo should be blue")');
247 // Bind backbuffer.
248 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
249 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
250 }
251
252 debug("");
253 debug("using deleted renderbuffer");
254 rbo = gl.createRenderbuffer();
255 shouldBeNonNull("rbo");
256 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
257 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
258 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
259 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
260 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
261 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
262 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUF FER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
263 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
264 // make backbuffer red
265 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
266 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
267 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
268 // make fbo green
269 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
270 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
271 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
272 // delete renderbuffer. It should still be attached to fbo2 though.
273 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
274 // fbo has no attachments
275 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
276 // Use fbo2 that has deleted rbo.
277 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
278 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
279 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
280 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
281 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
282 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
283
284 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
285 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParamet er(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)" );
286 shouldGenerateGLError(gl, gl.NONE, "gl.getFramebufferAttachmentParameter(gl.FR AMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)");
287 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
288 // Bind backbuffer.
289 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
290 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
291 }
292
293 debug("");
294 debug("using deleted texture");
295 tex = gl.createTexture();
296 shouldBeNonNull("tex");
297 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
298 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
299 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
300 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
301 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
302 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
303 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER , gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
304 // make fbo green
305 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
306 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
307 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
308 // delete texture. It should still be attached to fbo2 though.
309 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
310 // fbo has no attachments
311 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
312 // Use fbo that has deleted texture.
313 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo 2)");
314 shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE ");
315 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,255,0,255], "fbo should be green")');
316 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
317 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
318 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0 ,0,255,255], "fbo should be blue")');
319 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACH MENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
320
321 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
322 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParamet er(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)" );
323 shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPL ETE");
324 // Bind backbuffer.
325 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
326 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
327 }
328
329 debug("");
330 debug("buffer deletion");
331
332 var buffer = gl.createBuffer();
333 shouldBeNonNull("buffer");
334 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)") ;
335 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer");
336 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer)");
337 shouldBeFalse("gl.isBuffer(buffer)");
338 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
339 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)") ;
340 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
341
342 var buffer2 = gl.createBuffer();
343 shouldBeNonNull("buffer2");
344 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)" );
345 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer2");
346 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, null)");
347 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
348 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer2)");
349 shouldBeFalse("gl.isBuffer(buffer2)");
350 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)" );
351 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
352
353 var bufferElement = gl.createBuffer();
354 shouldBeNonNull("bufferElement");
355 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, b ufferElement)");
356 shouldBe("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)", "bufferElement");
357 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferElement)");
358 shouldBeFalse("gl.isBuffer(bufferElement)");
359 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
360 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, b ufferElement)");
361 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
362
363 var b = gl.createBuffer();
364 shouldBeNonNull("b");
365 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
366 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STA TIC_DRAW)");
367 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b)");
368 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
369 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW)");
370
371 var b1 = gl.createBuffer();
372 shouldBeNonNull("b1");
373 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b1);");
374 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(1);");
375 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(1, 4, gl.FLOAT, f alse, 0, 0);");
376 var b2 = gl.createBuffer();
377 shouldBeNonNull("b2");
378 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b2);");
379 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(2);");
380 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(2, 4, gl.FLOAT, f alse, 0, 0);");
381 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(3);");
382 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(3, 4, gl.FLOAT, f alse, 0, 0);");
383 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
384 shouldBe("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
385 shouldBe("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
386 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b2);");
387 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
388 shouldBeNull("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
389 shouldBeNull("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
390 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b1);");
391 shouldBeNull("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
392
393 debug("");
394 debug("framebuffer deletion");
395
396 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
397 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo");
398 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
399 shouldBeFalse("gl.isFramebuffer(fbo)");
400 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
401 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
402 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
403 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2) ");
404 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
405 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo3)");
406 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
407
408 fbo = gl.createFramebuffer();
409 rbo = gl.createRenderbuffer();
410 shouldBeNonNull("fbo");
411 shouldBeNonNull("rbo");
412 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)" );
413 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo )");
414 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
415 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFE R, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
416 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
417 // set backbuffer to red
418 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
419 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
420 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
421 // set framebuffer to green
422 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo )");
423 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
424 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
425 // check framebuffer
426 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
427 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 16, 16, 1, 1, [0,0,0,0], "outside fbo should be black")');
428 // delete framebuffer. because this was the bound fbo the backbuffer should be active now
429 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
430 // check backbuffer
431 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [255,0,0,255], "backbuffer should be red")');
432 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 300, 0, 300, 3 00, [0,0,0,0], "outside backbuffer should be black")');
433 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 150, 300, 3 00, [0,0,0,0], "outside backbuffer should be black")');
434 // check drawing to backbuffer
435 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
436 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
437 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [0,255,0,255], "fbo should be green")');
438 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, nul l)");
439 // check again because many buggy implementations will have bound to the true backbuffer on deleteFramebuffer.
440 shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150 , [0,255,0,255], "fbo should be green")');
441 }
442
443 var successfullyParsed = true;
444 </script>
445
446 <script src="../../resources/js-test-post.js"></script>
447 </body>
448 </html>
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