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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 <title>WebGL OES_vertex_array_object Conformance Tests</title> |
| 33 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 34 <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></s
cript> |
| 35 <script src="../../resources/js-test-pre.js"></script> |
| 36 <script src="../resources/webgl-test.js"></script> |
| 37 <script src="../resources/webgl-test-utils.js"></script> |
| 38 <!-- comment in the script tag below to test through JS emualation of the extens
ion. --> |
| 39 <!-- |
| 40 <script src="../../../demos/google/resources/OESVertexArrayObject.js"></script> |
| 41 --> |
| 42 </head> |
| 43 <body> |
| 44 <div id="description"></div> |
| 45 <canvas id="canvas" style="width: 50px; height: 50px;"> </canvas> |
| 46 <div id="console"></div> |
| 47 <!-- Shaders for testing standard derivatives --> |
| 48 |
| 49 <script> |
| 50 description("This test verifies the functionality of the OES_vertex_array_object
extension, if it is available."); |
| 51 |
| 52 debug(""); |
| 53 |
| 54 var wtu = WebGLTestUtils; |
| 55 var canvas = document.getElementById("canvas"); |
| 56 var gl = create3DContext(canvas); |
| 57 var ext = null; |
| 58 var vao = null; |
| 59 |
| 60 if (!gl) { |
| 61 testFailed("WebGL context does not exist"); |
| 62 } else { |
| 63 testPassed("WebGL context exists"); |
| 64 |
| 65 // Setup emulated OESVertexArrayObject if it has been included. |
| 66 if (window.setupVertexArrayObject) { |
| 67 debug("using emuated OES_vertex_array_object"); |
| 68 setupVertexArrayObject(gl); |
| 69 } |
| 70 |
| 71 // Run tests with extension disabled |
| 72 runBindingTestDisabled(); |
| 73 |
| 74 // Query the extension and store globally so shouldBe can access it |
| 75 ext = gl.getExtension("OES_vertex_array_object"); |
| 76 if (!ext) { |
| 77 testPassed("No OES_vertex_array_object support -- this is legal"); |
| 78 |
| 79 runSupportedTest(false); |
| 80 } else { |
| 81 testPassed("Successfully enabled OES_vertex_array_object extension"); |
| 82 |
| 83 runSupportedTest(true); |
| 84 runBindingTestEnabled(); |
| 85 runObjectTest(); |
| 86 runAttributeTests(); |
| 87 runAttributeValueTests(); |
| 88 runDrawTests(); |
| 89 } |
| 90 } |
| 91 |
| 92 function runSupportedTest(extensionEnabled) { |
| 93 var supported = gl.getSupportedExtensions(); |
| 94 if (supported.indexOf("OES_vertex_array_object") >= 0) { |
| 95 if (extensionEnabled) { |
| 96 testPassed("OES_vertex_array_object listed as supported and getExten
sion succeeded"); |
| 97 } else { |
| 98 testFailed("OES_vertex_array_object listed as supported but getExten
sion failed"); |
| 99 } |
| 100 } else { |
| 101 if (extensionEnabled) { |
| 102 testFailed("OES_vertex_array_object not listed as supported but getE
xtension succeeded"); |
| 103 } else { |
| 104 testPassed("OES_vertex_array_object not listed as supported and getE
xtension failed -- this is legal"); |
| 105 } |
| 106 } |
| 107 } |
| 108 |
| 109 function runBindingTestDisabled() { |
| 110 debug("Testing binding enum with extension disabled"); |
| 111 |
| 112 // Use the constant directly as we don't have the extension |
| 113 var VERTEX_ARRAY_BINDING_OES = 0x85B5; |
| 114 |
| 115 gl.getParameter(VERTEX_ARRAY_BINDING_OES); |
| 116 glErrorShouldBe(gl, gl.INVALID_ENUM, "VERTEX_ARRAY_BINDING_OES should not be
queryable if extension is disabled"); |
| 117 } |
| 118 |
| 119 function runBindingTestEnabled() { |
| 120 debug("Testing binding enum with extension enabled"); |
| 121 |
| 122 shouldBe("ext.VERTEX_ARRAY_BINDING_OES", "0x85B5"); |
| 123 |
| 124 gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES); |
| 125 glErrorShouldBe(gl, gl.NO_ERROR, "VERTEX_ARRAY_BINDING_OES query should succ
eed if extension is enable"); |
| 126 |
| 127 // Default value is null |
| 128 if (gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) === null) { |
| 129 testPassed("Default value of VERTEX_ARRAY_BINDING_OES is null"); |
| 130 } else { |
| 131 testFailed("Default value of VERTEX_ARRAY_BINDING_OES is not null"); |
| 132 } |
| 133 |
| 134 debug("Testing binding a VAO"); |
| 135 var vao0 = ext.createVertexArrayOES(); |
| 136 var vao1 = ext.createVertexArrayOES(); |
| 137 shouldBeNull("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES)"); |
| 138 ext.bindVertexArrayOES(vao0); |
| 139 if (gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) == vao0) { |
| 140 testPassed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is expected VA
O"); |
| 141 } else { |
| 142 testFailed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is not expecte
d VAO") |
| 143 } |
| 144 ext.bindVertexArrayOES(vao1); |
| 145 if (gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) == vao1) { |
| 146 testPassed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is expected VA
O"); |
| 147 } else { |
| 148 testFailed("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES) is not expecte
d VAO") |
| 149 } |
| 150 ext.deleteVertexArrayOES(vao1); |
| 151 shouldBeNull("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES)"); |
| 152 ext.bindVertexArrayOES(vao1); |
| 153 glErrorShouldBe(gl, gl.INVALID_OPERATION, "binding a deleted vertex array ob
ject"); |
| 154 ext.bindVertexArrayOES(null); |
| 155 shouldBeNull("gl.getParameter(ext.VERTEX_ARRAY_BINDING_OES)"); |
| 156 ext.deleteVertexArrayOES(vao1); |
| 157 } |
| 158 |
| 159 function runObjectTest() { |
| 160 debug("Testing object creation"); |
| 161 |
| 162 vao = ext.createVertexArrayOES(); |
| 163 glErrorShouldBe(gl, gl.NO_ERROR, "createVertexArrayOES should not set an err
or"); |
| 164 shouldBeNonNull("vao"); |
| 165 |
| 166 // Expect false if never bound |
| 167 shouldBeFalse("ext.isVertexArrayOES(vao)"); |
| 168 ext.bindVertexArrayOES(vao); |
| 169 shouldBeTrue("ext.isVertexArrayOES(vao)"); |
| 170 ext.bindVertexArrayOES(null); |
| 171 shouldBeTrue("ext.isVertexArrayOES(vao)"); |
| 172 |
| 173 shouldBeFalse("ext.isVertexArrayOES()"); |
| 174 shouldBeFalse("ext.isVertexArrayOES(null)"); |
| 175 |
| 176 ext.deleteVertexArrayOES(vao); |
| 177 vao = null; |
| 178 } |
| 179 |
| 180 function runAttributeTests() { |
| 181 debug("Testing attributes work across bindings"); |
| 182 |
| 183 var states = []; |
| 184 |
| 185 var attrCount = gl.getParameter(gl.MAX_VERTEX_ATTRIBS); |
| 186 for (var n = 0; n < attrCount; n++) { |
| 187 gl.bindBuffer(gl.ARRAY_BUFFER, null); |
| 188 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null); |
| 189 |
| 190 var state = {}; |
| 191 states.push(state); |
| 192 |
| 193 var vao = state.vao = ext.createVertexArrayOES(); |
| 194 ext.bindVertexArrayOES(vao); |
| 195 |
| 196 if (n % 2 == 0) { |
| 197 gl.enableVertexAttribArray(n); |
| 198 } else { |
| 199 gl.disableVertexAttribArray(n); |
| 200 } |
| 201 |
| 202 if (n % 2 == 0) { |
| 203 var buffer = state.buffer = gl.createBuffer(); |
| 204 gl.bindBuffer(gl.ARRAY_BUFFER, buffer); |
| 205 gl.bufferData(gl.ARRAY_BUFFER, 1024, gl.STATIC_DRAW); |
| 206 |
| 207 gl.vertexAttribPointer(n, 1 + n % 4, gl.FLOAT, true, n * 4, n * 4); |
| 208 } |
| 209 |
| 210 if (n % 2 == 0) { |
| 211 var elbuffer = state.elbuffer = gl.createBuffer(); |
| 212 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elbuffer); |
| 213 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, 1024, gl.STATIC_DRAW); |
| 214 } |
| 215 |
| 216 ext.bindVertexArrayOES(null); |
| 217 } |
| 218 |
| 219 var anyMismatch = false; |
| 220 for (var n = 0; n < attrCount; n++) { |
| 221 var state = states[n]; |
| 222 |
| 223 ext.bindVertexArrayOES(state.vao); |
| 224 |
| 225 var isEnabled = gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_ENABLED); |
| 226 if ((n % 2 == 1) || isEnabled) { |
| 227 // Valid |
| 228 } else { |
| 229 testFailed("VERTEX_ATTRIB_ARRAY_ENABLED not preserved"); |
| 230 anyMismatch = true; |
| 231 } |
| 232 |
| 233 var buffer = gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING
); |
| 234 if (n % 2 == 0) { |
| 235 if (buffer == state.buffer) { |
| 236 // Matched |
| 237 if ((gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_SIZE) == 1 + n
% 4) && |
| 238 (gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_TYPE) == gl.FL
OAT) && |
| 239 (gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_NORMALIZED) ==
true) && |
| 240 (gl.getVertexAttrib(n, gl.VERTEX_ATTRIB_ARRAY_STRIDE) == n *
4) && |
| 241 (gl.getVertexAttribOffset(n, gl.VERTEX_ATTRIB_ARRAY_POINTER)
== n * 4)) { |
| 242 // Matched |
| 243 } else { |
| 244 testFailed("VERTEX_ATTRIB_ARRAY_* not preserved"); |
| 245 anyMismatch = true; |
| 246 } |
| 247 } else { |
| 248 testFailed("VERTEX_ATTRIB_ARRAY_BUFFER_BINDING not preserved"); |
| 249 anyMismatch = true; |
| 250 } |
| 251 } else { |
| 252 // GL_CURRENT_VERTEX_ATTRIB is not preserved |
| 253 if (buffer) { |
| 254 testFailed("VERTEX_ATTRIB_ARRAY_BUFFER_BINDING not preserved"); |
| 255 anyMismatch = true; |
| 256 } |
| 257 } |
| 258 |
| 259 var elbuffer = gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING); |
| 260 if (n % 2 == 0) { |
| 261 if (elbuffer == state.elbuffer) { |
| 262 // Matched |
| 263 } else { |
| 264 testFailed("ELEMENT_ARRAY_BUFFER_BINDING not preserved"); |
| 265 anyMismatch = true; |
| 266 } |
| 267 } else { |
| 268 if (elbuffer == null) { |
| 269 // Matched |
| 270 } else { |
| 271 testFailed("ELEMENT_ARRAY_BUFFER_BINDING not preserved"); |
| 272 anyMismatch = true; |
| 273 } |
| 274 } |
| 275 } |
| 276 ext.bindVertexArrayOES(null); |
| 277 if (!anyMismatch) { |
| 278 testPassed("All attributes preserved across bindings"); |
| 279 } |
| 280 |
| 281 for (var n = 0; n < attrCount; n++) { |
| 282 var state = states[n]; |
| 283 ext.deleteVertexArrayOES(state.vao); |
| 284 } |
| 285 } |
| 286 |
| 287 function runAttributeValueTests() { |
| 288 debug("Testing that attribute values are not attached to bindings"); |
| 289 |
| 290 var v; |
| 291 var vao0 = ext.createVertexArrayOES(); |
| 292 var anyFailed = false; |
| 293 |
| 294 ext.bindVertexArrayOES(null); |
| 295 gl.vertexAttrib4f(0, 0, 1, 2, 3); |
| 296 |
| 297 v = gl.getVertexAttrib(0, gl.CURRENT_VERTEX_ATTRIB); |
| 298 if (!(v[0] == 0 && v[1] == 1 && v[2] == 2 && v[3] == 3)) { |
| 299 testFailed("Vertex attrib value not round-tripped?"); |
| 300 anyFailed = true; |
| 301 } |
| 302 |
| 303 ext.bindVertexArrayOES(vao0); |
| 304 |
| 305 v = gl.getVertexAttrib(0, gl.CURRENT_VERTEX_ATTRIB); |
| 306 if (!(v[0] == 0 && v[1] == 1 && v[2] == 2 && v[3] == 3)) { |
| 307 testFailed("Vertex attrib value reset across bindings"); |
| 308 anyFailed = true; |
| 309 } |
| 310 |
| 311 gl.vertexAttrib4f(0, 4, 5, 6, 7); |
| 312 ext.bindVertexArrayOES(null); |
| 313 |
| 314 v = gl.getVertexAttrib(0, gl.CURRENT_VERTEX_ATTRIB); |
| 315 if (!(v[0] == 4 && v[1] == 5 && v[2] == 6 && v[3] == 7)) { |
| 316 testFailed("Vertex attrib value bound to buffer"); |
| 317 anyFailed = true; |
| 318 } |
| 319 |
| 320 if (!anyFailed) { |
| 321 testPassed("Vertex attribute values are not attached to bindings") |
| 322 } |
| 323 |
| 324 ext.bindVertexArrayOES(null); |
| 325 ext.deleteVertexArrayOES(vao0); |
| 326 } |
| 327 |
| 328 function runDrawTests() { |
| 329 debug("Testing draws with various VAO bindings"); |
| 330 |
| 331 canvas.width = 50; canvas.height = 50; |
| 332 gl.viewport(0, 0, canvas.width, canvas.height); |
| 333 |
| 334 var vao0 = ext.createVertexArrayOES(); |
| 335 var vao1 = ext.createVertexArrayOES(); |
| 336 |
| 337 var program = wtu.setupSimpleTextureProgram(gl, 0, 1); |
| 338 |
| 339 function setupQuad(s) { |
| 340 var opt_positionLocation = 0; |
| 341 var opt_texcoordLocation = 1; |
| 342 var vertexObject = gl.createBuffer(); |
| 343 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| 344 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ |
| 345 1.0 * s, 1.0 * s, 0.0, |
| 346 -1.0 * s, 1.0 * s, 0.0, |
| 347 -1.0 * s, -1.0 * s, 0.0, |
| 348 1.0 * s, 1.0 * s, 0.0, |
| 349 -1.0 * s, -1.0 * s, 0.0, |
| 350 1.0 * s, -1.0 * s, 0.0]), gl.STATIC_DRAW); |
| 351 gl.enableVertexAttribArray(opt_positionLocation); |
| 352 gl.vertexAttribPointer(opt_positionLocation, 3, gl.FLOAT, false, 0, 0); |
| 353 |
| 354 var vertexObject = gl.createBuffer(); |
| 355 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| 356 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ |
| 357 1.0 * s, 1.0 * s, |
| 358 0.0 * s, 1.0 * s, |
| 359 0.0 * s, 0.0 * s, |
| 360 1.0 * s, 1.0 * s, |
| 361 0.0 * s, 0.0 * s, |
| 362 1.0 * s, 0.0 * s]), gl.STATIC_DRAW); |
| 363 gl.enableVertexAttribArray(opt_texcoordLocation); |
| 364 gl.vertexAttribPointer(opt_texcoordLocation, 2, gl.FLOAT, false, 0, 0); |
| 365 }; |
| 366 |
| 367 function readLocation(x, y) { |
| 368 var pixels = new Uint8Array(1 * 1 * 4); |
| 369 gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixels); |
| 370 return pixels; |
| 371 }; |
| 372 function testPixel(blackList, whiteList) { |
| 373 function testList(list, expected) { |
| 374 for (var n = 0; n < list.length; n++) { |
| 375 var l = list[n]; |
| 376 var x = -Math.floor(l * canvas.width / 2) + canvas.width / 2; |
| 377 var y = -Math.floor(l * canvas.height / 2) + canvas.height / 2; |
| 378 var source = readLocation(x, y); |
| 379 if (Math.abs(source[0] - expected) > 2) { |
| 380 return false; |
| 381 } |
| 382 } |
| 383 return true; |
| 384 } |
| 385 return testList(blackList, 0) && testList(whiteList, 255); |
| 386 }; |
| 387 function verifyDraw(drawNumber, s) { |
| 388 wtu.drawQuad(gl); |
| 389 var blackList = []; |
| 390 var whiteList = []; |
| 391 var points = [0.0, 0.2, 0.4, 0.6, 0.8, 1.0]; |
| 392 for (var n = 0; n < points.length; n++) { |
| 393 if (points[n] <= s) { |
| 394 blackList.push(points[n]); |
| 395 } else { |
| 396 whiteList.push(points[n]); |
| 397 } |
| 398 } |
| 399 if (testPixel(blackList, whiteList)) { |
| 400 testPassed("Draw " + drawNumber + " passed pixel test"); |
| 401 } else { |
| 402 testFailed("Draw " + drawNumber + " failed pixel test"); |
| 403 } |
| 404 }; |
| 405 |
| 406 // Setup all bindings |
| 407 setupQuad(1); |
| 408 ext.bindVertexArrayOES(vao0); |
| 409 setupQuad(0.5); |
| 410 ext.bindVertexArrayOES(vao1); |
| 411 setupQuad(0.25); |
| 412 |
| 413 // Verify drawing |
| 414 ext.bindVertexArrayOES(null); |
| 415 verifyDraw(0, 1); |
| 416 ext.bindVertexArrayOES(vao0); |
| 417 verifyDraw(1, 0.5); |
| 418 ext.bindVertexArrayOES(vao1); |
| 419 verifyDraw(2, 0.25); |
| 420 |
| 421 ext.bindVertexArrayOES(null); |
| 422 ext.deleteVertexArrayOES(vao0); |
| 423 ext.deleteVertexArrayOES(vao1); |
| 424 } |
| 425 |
| 426 debug(""); |
| 427 successfullyParsed = true; |
| 428 </script> |
| 429 <script src="../../resources/js-test-post.js"></script> |
| 430 |
| 431 </body> |
| 432 </html> |
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Chromium Code Reviews
Issue 10399113:
Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/