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| 1 <!-- | |
| 2 Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 3 Use of this source code is governed by a BSD-style license that can be | |
| 4 found in the LICENSE file. | |
| 5 --> | |
| 6 <!DOCTYPE HTML 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 OES_vertex_array_object Conformance Tests</title> | |
| 12 <link rel="stylesheet" href="../resources/js-test-style.css"/> | |
| 13 <script src="../resources/desktop-gl-constants.js" type="text/javascript"></scri
pt> | |
| 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 <canvas id="canvas" style="width: 50px; height: 50px;"> </canvas> | |
| 21 <div id="console"></div> | |
| 22 <!-- Shaders for testing standard derivatives --> | |
| 23 | |
| 24 <script> | |
| 25 description("This test verifies the functionality of the OES_vertex_array_object
extension, if it is available."); | |
| 26 | |
| 27 debug(""); | |
| 28 | |
| 29 var wtu = WebGLTestUtils; | |
| 30 var canvas = document.getElementById("canvas"); | |
| 31 var gl = create3DContext(canvas); | |
| 32 var ext = null; | |
| 33 var vao = null; | |
| 34 | |
| 35 if (!gl) { | |
| 36 testFailed("WebGL context does not exist"); | |
| 37 } else { | |
| 38 testPassed("WebGL context exists"); | |
| 39 | |
| 40 // Run tests with extension disabled | |
| 41 runBindingTestDisabled(); | |
| 42 | |
| 43 // Query the extension and store globally so shouldBe can access it | |
| 44 ext = gl.getExtension("OES_vertex_array_object"); | |
| 45 if (!ext) { | |
| 46 testPassed("No OES_vertex_array_object support -- this is legal"); | |
| 47 | |
| 48 runSupportedTest(false); | |
| 49 } else { | |
| 50 testPassed("Successfully enabled OES_vertex_array_object extension"); | |
| 51 | |
| 52 runSupportedTest(true); | |
| 53 runBindingTestEnabled(); | |
| 54 runObjectTest(); | |
| 55 runAttributeTests(); | |
| 56 runAttributeValueTests(); | |
| 57 runDrawTests(); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 function runSupportedTest(extensionEnabled) { | |
| 62 var supported = gl.getSupportedExtensions(); | |
| 63 if (supported.indexOf("OES_vertex_array_object") >= 0) { | |
| 64 if (extensionEnabled) { | |
| 65 testPassed("OES_vertex_array_object listed as supported and getExten
sion succeeded"); | |
| 66 } else { | |
| 67 testFailed("OES_vertex_array_object listed as supported but getExten
sion failed"); | |
| 68 } | |
| 69 } else { | |
| 70 if (extensionEnabled) { | |
| 71 testFailed("OES_vertex_array_object not listed as supported but getE
xtension succeeded"); | |
| 72 } else { | |
| 73 testPassed("OES_vertex_array_object not listed as supported and getE
xtension failed -- this is legal"); | |
| 74 } | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 function runBindingTestDisabled() { | |
| 79 debug("Testing binding enum with extension disabled"); | |
| 80 | |
| 81 // Use the constant directly as we don't have the extension | |
| 82 var VERTEX_ARRAY_BINDING_OES = 0x85B5; | |
| 83 | |
| 84 gl.getParameter(VERTEX_ARRAY_BINDING_OES); | |
| 85 glErrorShouldBe(gl, gl.INVALID_ENUM, "VERTEX_ARRAY_BINDING_OES should not be
queryable if extension is disabled"); | |
| 86 } | |
| 87 | |
| 88 function runBindingTestEnabled() { | |
| 89 debug("Testing binding enum with extension enabled"); | |
| 90 | |
| 91 shouldBe("ext.VERTEX_ARRAY_BINDING_OES", "0x85B5"); | |
| 92 | |
| 93 gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES); | |
| 94 glErrorShouldBe(gl, gl.NO_ERROR, "VERTEX_ARRAY_BINDING_OES query should succ
eed if extension is enable"); | |
| 95 | |
| 96 // Default value is null | |
| 97 if (gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) === null) { | |
| 98 testPassed("Default value of VERTEX_ARRAY_BINDING_OES is null"); | |
| 99 } else { | |
| 100 testFailed("Default value of VERTEX_ARRAY_BINDING_OES is not null"); | |
| 101 } | |
| 102 | |
| 103 debug("Testing binding a VAO"); | |
| 104 var vao0 = ext.createVertexArrayOES(); | |
| 105 var vao1 = ext.createVertexArrayOES(); | |
| 106 shouldBeNull("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES)"); | |
| 107 ext.bindVertexArrayOES(vao0); | |
| 108 if (gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) == vao0) { | |
| 109 testPassed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is expected VA
O"); | |
| 110 } else { | |
| 111 testFailed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is not expecte
d VAO") | |
| 112 } | |
| 113 ext.bindVertexArrayOES(vao1); | |
| 114 if (gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) == vao1) { | |
| 115 testPassed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is expected VA
O"); | |
| 116 } else { | |
| 117 testFailed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is not expecte
d VAO") | |
| 118 } | |
| 119 ext.bindVertexArrayOES(null); | |
| 120 shouldBeNull("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES)"); | |
| 121 ext.deleteVertexArrayOES(vao0); | |
| 122 ext.deleteVertexArrayOES(vao1); | |
| 123 } | |
| 124 | |
| 125 function runObjectTest() { | |
| 126 debug("Testing object creation"); | |
| 127 | |
| 128 vao = ext.createVertexArrayOES(); | |
| 129 glErrorShouldBe(gl, gl.NO_ERROR, "createVertexArrayOES should not set an err
or"); | |
| 130 shouldBeNonNull("vao"); | |
| 131 | |
| 132 // Expect false if never bound | |
| 133 shouldBeFalse("ext.isVertexArrayOES(vao)"); | |
| 134 ext.bindVertexArrayOES(vao); | |
| 135 shouldBeTrue("ext.isVertexArrayOES(vao)"); | |
| 136 ext.bindVertexArrayOES(null); | |
| 137 shouldBeTrue("ext.isVertexArrayOES(vao)"); | |
| 138 | |
| 139 shouldBeFalse("ext.isVertexArrayOES()"); | |
| 140 shouldBeFalse("ext.isVertexArrayOES(null)"); | |
| 141 | |
| 142 ext.deleteVertexArrayOES(vao); | |
| 143 vao = null; | |
| 144 } | |
| 145 | |
| 146 function runAttributeTests() { | |
| 147 debug("Testing attributes work across bindings"); | |
| 148 | |
| 149 var states = []; | |
| 150 | |
| 151 var attrCount = gl.getParameter(gl.MAX_VERTEX_ATTRIBS); | |
| 152 for (var n = 0; n < attrCount; n++) { | |
| 153 gl.bindBuffer(gl.ARRAY_BUFFER, null); | |
| 154 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null); | |
| 155 | |
| 156 var state = {}; | |
| 157 states.push(state); | |
| 158 | |
| 159 var vao = state.vao = ext.createVertexArrayOES(); | |
| 160 ext.bindVertexArrayOES(vao); | |
| 161 | |
| 162 if (n % 2 == 0) { | |
| 163 gl.enableVertexAttribArray(n); | |
| 164 } else { | |
| 165 gl.disableVertexAttribArray(n); | |
| 166 } | |
| 167 | |
| 168 if (n % 2 == 0) { | |
| 169 var buffer = state.buffer = gl.createBuffer(); | |
| 170 gl.bindBuffer(gl.ARRAY_BUFFER, buffer); | |
| 171 gl.bufferData(gl.ARRAY_BUFFER, 1024, gl.STATIC_DRAW); | |
| 172 | |
| 173 gl.vertexAttribPointer(n, 1 + n % 4, gl.FLOAT, true, n * 4, n * 4); | |
| 174 } | |
| 175 | |
| 176 if (n % 2 == 0) { | |
| 177 var elbuffer = state.elbuffer = gl.createBuffer(); | |
| 178 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elbuffer); | |
| 179 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, 1024, gl.STATIC_DRAW); | |
| 180 } | |
| 181 | |
| 182 ext.bindVertexArrayOES(null); | |
| 183 } | |
| 184 | |
| 185 var anyMismatch = false; | |
| 186 for (var n = 0; n < attrCount; n++) { | |
| 187 var state = states[n]; | |
| 188 | |
| 189 ext.bindVertexArrayOES(state.vao); | |
| 190 | |
| 191 var isEnabled = gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_ENABLED); | |
| 192 if ((n % 2 == 1) || isEnabled) { | |
| 193 // Valid | |
| 194 } else { | |
| 195 testFailed("VERTEX_ATTRIB_ARRAY_ENABLED not preserved"); | |
| 196 anyMismatch = true; | |
| 197 } | |
| 198 | |
| 199 var buffer = gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING
); | |
| 200 if (n % 2 == 0) { | |
| 201 if (buffer == state.buffer) { | |
| 202 // Matched | |
| 203 if ((gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_SIZE) == 1 + n
% 4) && | |
| 204 (gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_TYPE) == gl.FL
OAT) && | |
| 205 (gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_NORMALIZED) ==
true) && | |
| 206 (gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_STRIDE) == n *
4) && | |
| 207 (gl.getVertexAttribOffset(n, gl.VERTEX_ATTRIB_ARRAY_POINTER)
== n * 4)) { | |
| 208 // Matched | |
| 209 } else { | |
| 210 testFailed("VERTEX_ATTRIB_ARRAY_* not preserved"); | |
| 211 anyMismatch = true; | |
| 212 } | |
| 213 } else { | |
| 214 testFailed("VERTEX_ATTRIB_ARRAY_BUFFER_BINDING not preserved"); | |
| 215 anyMismatch = true; | |
| 216 } | |
| 217 } else { | |
| 218 // GL_CURRENT_VERTEX_ATTRIB is not preserved | |
| 219 if (buffer) { | |
| 220 testFailed("VERTEX_ATTRIB_ARRAY_BUFFER_BINDING not preserved"); | |
| 221 anyMismatch = true; | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 var elbuffer = gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING); | |
| 226 if (n % 2 == 0) { | |
| 227 if (elbuffer == state.elbuffer) { | |
| 228 // Matched | |
| 229 } else { | |
| 230 testFailed("ELEMENT_ARRAY_BUFFER_BINDING not preserved"); | |
| 231 anyMismatch = true; | |
| 232 } | |
| 233 } else { | |
| 234 if (elbuffer == null) { | |
| 235 // Matched | |
| 236 } else { | |
| 237 testFailed("ELEMENT_ARRAY_BUFFER_BINDING not preserved"); | |
| 238 anyMismatch = true; | |
| 239 } | |
| 240 } | |
| 241 } | |
| 242 ext.bindVertexArrayOES(null); | |
| 243 if (!anyMismatch) { | |
| 244 testPassed("All attributes preserved across bindings"); | |
| 245 } | |
| 246 | |
| 247 for (var n = 0; n < attrCount; n++) { | |
| 248 var state = states[n]; | |
| 249 ext.deleteVertexArrayOES(state.vao); | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 function runAttributeValueTests() { | |
| 254 debug("Testing that attribute values are not attached to bindings"); | |
| 255 | |
| 256 var v; | |
| 257 var vao0 = ext.createVertexArrayOES(); | |
| 258 var anyFailed = false; | |
| 259 | |
| 260 ext.bindVertexArrayOES(null); | |
| 261 gl.vertexAttrib4f(0, 0, 1, 2, 3); | |
| 262 | |
| 263 v = gl.getVertexAttrib(0, gl.CURRENT_VERTEX_ATTRIB); | |
| 264 if (!(v[0] == 0 && v[1] == 1 && v[2] == 2 && v[3] == 3)) { | |
| 265 testFailed("Vertex attrib value not round-tripped?"); | |
| 266 anyFailed = true; | |
| 267 } | |
| 268 | |
| 269 ext.bindVertexArrayOES(vao0); | |
| 270 | |
| 271 v = gl.getVertexAttrib(0, gl.CURRENT_VERTEX_ATTRIB); | |
| 272 if (!(v[0] == 0 && v[1] == 1 && v[2] == 2 && v[3] == 3)) { | |
| 273 testFailed("Vertex attrib value reset across bindings"); | |
| 274 anyFailed = true; | |
| 275 } | |
| 276 | |
| 277 gl.vertexAttrib4f(0, 4, 5, 6, 7); | |
| 278 ext.bindVertexArrayOES(null); | |
| 279 | |
| 280 v = gl.getVertexAttrib(0, gl.CURRENT_VERTEX_ATTRIB); | |
| 281 if (!(v[0] == 4 && v[1] == 5 && v[2] == 6 && v[3] == 7)) { | |
| 282 testFailed("Vertex attrib value bound to buffer"); | |
| 283 anyFailed = true; | |
| 284 } | |
| 285 | |
| 286 if (!anyFailed) { | |
| 287 testPassed("Vertex attribute values are not attached to bindings") | |
| 288 } | |
| 289 | |
| 290 ext.bindVertexArrayOES(null); | |
| 291 ext.deleteVertexArrayOES(vao0); | |
| 292 } | |
| 293 | |
| 294 function runDrawTests() { | |
| 295 debug("Testing draws with various VAO bindings"); | |
| 296 | |
| 297 canvas.width = 50; canvas.height = 50; | |
| 298 gl.viewport(0, 0, canvas.width, canvas.height); | |
| 299 | |
| 300 var vao0 = ext.createVertexArrayOES(); | |
| 301 var vao1 = ext.createVertexArrayOES(); | |
| 302 | |
| 303 var program = wtu.setupSimpleTextureProgram(gl, 0, 1); | |
| 304 | |
| 305 function setupQuad(s) { | |
| 306 var opt_positionLocation = 0; | |
| 307 var opt_texcoordLocation = 1; | |
| 308 var vertexObject = gl.createBuffer(); | |
| 309 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 310 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ | |
| 311 1.0 * s, 1.0 * s, 0.0, | |
| 312 -1.0 * s, 1.0 * s, 0.0, | |
| 313 -1.0 * s, -1.0 * s, 0.0, | |
| 314 1.0 * s, 1.0 * s, 0.0, | |
| 315 -1.0 * s, -1.0 * s, 0.0, | |
| 316 1.0 * s, -1.0 * s, 0.0]), gl.STATIC_DRAW); | |
| 317 gl.enableVertexAttribArray(opt_positionLocation); | |
| 318 gl.vertexAttribPointer(opt_positionLocation, 3, gl.FLOAT, false, 0, 0); | |
| 319 | |
| 320 var vertexObject = gl.createBuffer(); | |
| 321 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 322 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ | |
| 323 1.0 * s, 1.0 * s, | |
| 324 0.0 * s, 1.0 * s, | |
| 325 0.0 * s, 0.0 * s, | |
| 326 1.0 * s, 1.0 * s, | |
| 327 0.0 * s, 0.0 * s, | |
| 328 1.0 * s, 0.0 * s]), gl.STATIC_DRAW); | |
| 329 gl.enableVertexAttribArray(opt_texcoordLocation); | |
| 330 gl.vertexAttribPointer(opt_texcoordLocation, 2, gl.FLOAT, false, 0, 0); | |
| 331 }; | |
| 332 | |
| 333 function readLocation(x, y) { | |
| 334 var pixels = new Uint8Array(1 * 1 * 4); | |
| 335 gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixels); | |
| 336 return pixels; | |
| 337 }; | |
| 338 function testPixel(blackList, whiteList) { | |
| 339 function testList(list, expected) { | |
| 340 for (var n = 0; n < list.length; n++) { | |
| 341 var l = list[n]; | |
| 342 var x = -Math.floor(l * canvas.width / 2) + canvas.width / 2; | |
| 343 var y = -Math.floor(l * canvas.height / 2) + canvas.height / 2; | |
| 344 var source = readLocation(x, y); | |
| 345 if (Math.abs(source[0] - expected) > 2) { | |
| 346 return false; | |
| 347 } | |
| 348 } | |
| 349 return true; | |
| 350 } | |
| 351 return testList(blackList, 0) && testList(whiteList, 255); | |
| 352 }; | |
| 353 function verifyDraw(drawNumber, s) { | |
| 354 wtu.drawQuad(gl); | |
| 355 var blackList = []; | |
| 356 var whiteList = []; | |
| 357 var points = [0.0, 0.2, 0.4, 0.6, 0.8, 1.0]; | |
| 358 for (var n = 0; n < points.length; n++) { | |
| 359 if (points[n] <= s) { | |
| 360 blackList.push(points[n]); | |
| 361 } else { | |
| 362 whiteList.push(points[n]); | |
| 363 } | |
| 364 } | |
| 365 if (testPixel(blackList, whiteList)) { | |
| 366 testPassed("Draw " + drawNumber + " passed pixel test"); | |
| 367 } else { | |
| 368 testFailed("Draw " + drawNumber + " failed pixel test"); | |
| 369 } | |
| 370 }; | |
| 371 | |
| 372 // Setup all bindings | |
| 373 setupQuad(1); | |
| 374 ext.bindVertexArrayOES(vao0); | |
| 375 setupQuad(0.5); | |
| 376 ext.bindVertexArrayOES(vao1); | |
| 377 setupQuad(0.25); | |
| 378 | |
| 379 // Verify drawing | |
| 380 ext.bindVertexArrayOES(null); | |
| 381 verifyDraw(0, 1); | |
| 382 ext.bindVertexArrayOES(vao0); | |
| 383 verifyDraw(1, 0.5); | |
| 384 ext.bindVertexArrayOES(vao1); | |
| 385 verifyDraw(2, 0.25); | |
| 386 | |
| 387 ext.bindVertexArrayOES(null); | |
| 388 ext.deleteVertexArrayOES(vao0); | |
| 389 ext.deleteVertexArrayOES(vao1); | |
| 390 } | |
| 391 | |
| 392 debug(""); | |
| 393 successfullyParsed = true; | |
| 394 </script> | |
| 395 <script src="../resources/js-test-post.js"></script> | |
| 396 <script> | |
| 397 </script> | |
| 398 | |
| 399 </body> | |
| 400 </html> | |
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Chromium Code Reviews
Issue 9360034:
Remove everthing except conformance tests in the deps/third_party/webgl (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/