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| 1 <!-- |
| 2 |
| 3 /* |
| 4 ** Copyright (c) 2013 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 <title>WebGL WEBGL_compressed_texture_pvrtc Conformance Tests</title> |
| 37 <style> |
| 38 img { |
| 39 border: 1px solid black; |
| 40 margin-right: 1em; |
| 41 } |
| 42 .testimages { |
| 43 } |
| 44 |
| 45 .testimages br { |
| 46 clear: both; |
| 47 } |
| 48 |
| 49 .testimages > div { |
| 50 float: left; |
| 51 margin: 1em; |
| 52 } |
| 53 </style> |
| 54 </head> |
| 55 <body> |
| 56 <div id="description"></div> |
| 57 <canvas id="canvas" width="8" height="8" style="width: 8px; height: 8px;"></canv
as> |
| 58 <div id="console"></div> |
| 59 <script> |
| 60 "use strict"; |
| 61 description("This test verifies the functionality of the WEBGL_compressed_textur
e_pvrtc extension, if it is available."); |
| 62 |
| 63 debug(""); |
| 64 |
| 65 // Compressed textures generated with thw PowerVR SDK |
| 66 // http://www.imgtec.com/powervr/insider/sdkdownloads/index.asp |
| 67 var pvrtc_4x4_rgba_2bpp = new Uint8Array([ |
| 68 0x77, 0x22, 0x77, 0x22, 0xbb, 0x2b, 0x00, 0x80, 0x77, 0x22, 0x77, 0x22, 0xbb,
0x2b, 0x00, 0x80, |
| 69 0x77, 0x22, 0x77, 0x22, 0xbb, 0x2b, 0x00, 0x80, 0x77, 0x22, 0x77, 0x22, 0xbb,
0x2b, 0x00, 0x80, |
| 70 ]); |
| 71 |
| 72 var pvrtc_4x4_rgba_2bpp_decoded = new Uint8Array([ |
| 73 0x00, 0x00, 0x00, 0xff, 0x35, 0x35, 0x32, 0xca, 0x76, 0x76, 0x71, 0x8a, 0x70,
0x70, 0x6b, 0x8f, |
| 74 0x35, 0x35, 0x32, 0xca, 0x46, 0x46, 0x43, 0xb8, 0x70, 0x70, 0x6b, 0x8f, 0xbd,
0xbd, 0xb5, 0x44, |
| 75 0x00, 0x00, 0x00, 0xff, 0x35, 0x35, 0x32, 0xca, 0x76, 0x76, 0x71, 0x8a, 0x70,
0x70, 0x6b, 0x8f, |
| 76 0x35, 0x35, 0x32, 0xca, 0x46, 0x46, 0x43, 0xb8, 0x70, 0x70, 0x6b, 0x8f, 0xbd,
0xbd, 0xb5, 0x44, |
| 77 ]); |
| 78 |
| 79 var pvrtc_4x4_rgba_4bpp = new Uint8Array([ |
| 80 0x1b, 0x1b, 0x1b, 0x1b, 0xba, 0x2b, 0x00, 0x80, 0x1b, 0x1b, 0x1b, 0x1b, 0xba,
0x2b, 0x00, 0x80, |
| 81 0x1b, 0x1b, 0x1b, 0x1b, 0xba, 0x2b, 0x00, 0x80, 0x1b, 0x1b, 0x1b, 0x1b, 0xbc,
0x2b, 0x00, 0x80, |
| 82 ]); |
| 83 |
| 84 var pvrtc_4x4_rgba_4bpp_decoded = new Uint8Array([ |
| 85 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x49, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd,
0xbd, 0xba, 0x44, |
| 86 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x4c, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd,
0xbd, 0xbc, 0x44, |
| 87 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x43, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd,
0xbd, 0xb5, 0x44, |
| 88 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x46, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd,
0xbd, 0xb7, 0x44, |
| 89 ]); |
| 90 |
| 91 // FIXME: The PowerVR SDK tools do not generate RGB only textures, so we current
ly do not have |
| 92 // sample data for COMPRESSED_RGB_PVRTC_4BPPV1_IMG and COMPRESSED_RGB_PVRTC_2BPP
V1_IMG |
| 93 |
| 94 var wtu = WebGLTestUtils; |
| 95 var canvas = document.getElementById("canvas"); |
| 96 var gl = wtu.create3DContext(canvas, {antialias: false}); |
| 97 var program = wtu.setupTexturedQuad(gl); |
| 98 var ext = null; |
| 99 var vao = null; |
| 100 var validFormats = { |
| 101 COMPRESSED_RGB_PVRTC_4BPPV1_IMG : 0x8C00, |
| 102 COMPRESSED_RGB_PVRTC_2BPPV1_IMG : 0x8C01, |
| 103 COMPRESSED_RGBA_PVRTC_4BPPV1_IMG : 0x8C02, |
| 104 COMPRESSED_RGBA_PVRTC_2BPPV1_IMG : 0x8C03, |
| 105 }; |
| 106 var name; |
| 107 var supportedFormats; |
| 108 |
| 109 if (!gl) { |
| 110 testFailed("WebGL context does not exist"); |
| 111 } else { |
| 112 testPassed("WebGL context exists"); |
| 113 |
| 114 // Run tests with extension disabled |
| 115 runTestDisabled(); |
| 116 |
| 117 // Query the extension and store globally so shouldBe can access it |
| 118 ext = wtu.getExtensionWithKnownPrefixes(gl, "WEBGL_compressed_texture_pvrtc"
); |
| 119 if (!ext) { |
| 120 testPassed("No WEBGL_compressed_texture_pvrtc support -- this is legal")
; |
| 121 runSupportedTest(false); |
| 122 } else { |
| 123 testPassed("Successfully enabled WEBGL_compressed_texture_pvrtc extensio
n"); |
| 124 |
| 125 runSupportedTest(true); |
| 126 runTestExtension(); |
| 127 } |
| 128 } |
| 129 |
| 130 function runSupportedTest(extensionEnabled) { |
| 131 var name = wtu.getSupportedExtensionWithKnownPrefixes(gl, "WEBGL_compressed_
texture_pvrtc"); |
| 132 if (name !== undefined) { |
| 133 if (extensionEnabled) { |
| 134 testPassed("WEBGL_compressed_texture_pvrtc listed as supported and g
etExtension succeeded"); |
| 135 } else { |
| 136 testFailed("WEBGL_compressed_texture_pvrtc listed as supported but g
etExtension failed"); |
| 137 } |
| 138 } else { |
| 139 if (extensionEnabled) { |
| 140 testFailed("WEBGL_compressed_texture_pvrtc not listed as supported b
ut getExtension succeeded"); |
| 141 } else { |
| 142 testPassed("WEBGL_compressed_texture_pvrtc not listed as supported a
nd getExtension failed -- this is legal"); |
| 143 } |
| 144 } |
| 145 } |
| 146 |
| 147 |
| 148 function runTestDisabled() { |
| 149 debug("Testing binding enum with extension disabled"); |
| 150 |
| 151 shouldBe('gl.getParameter(gl.COMPRESSED_TEXTURE_FORMATS)', '[]'); |
| 152 } |
| 153 |
| 154 function formatExists(format, supportedFormats) { |
| 155 for (var ii = 0; ii < supportedFormats.length; ++ii) { |
| 156 if (format == supportedFormats[ii]) { |
| 157 testPassed("supported format " + formatToString(format) + " is exist
s"); |
| 158 return; |
| 159 } |
| 160 } |
| 161 testFailed("supported format " + formatToString(format) + " does not exist")
; |
| 162 } |
| 163 |
| 164 function formatToString(format) { |
| 165 for (var p in ext) { |
| 166 if (ext[p] == format) { |
| 167 return p; |
| 168 } |
| 169 } |
| 170 return "0x" + format.toString(16); |
| 171 } |
| 172 |
| 173 function runTestExtension() { |
| 174 debug("Testing WEBGL_compressed_texture_pvrtc"); |
| 175 |
| 176 // check that all format enums exist. |
| 177 for (name in validFormats) { |
| 178 var expected = "0x" + validFormats[name].toString(16); |
| 179 var actual = "ext['" + name + "']"; |
| 180 shouldBe(actual, expected); |
| 181 } |
| 182 |
| 183 supportedFormats = gl.getParameter(gl.COMPRESSED_TEXTURE_FORMATS); |
| 184 // There should be exactly 3 formats |
| 185 shouldBe("supportedFormats.length", "3"); |
| 186 |
| 187 // check that all 3 formats exist |
| 188 for (var name in validFormats.length) { |
| 189 formatExists(validFormats[name], supportedFormats); |
| 190 } |
| 191 |
| 192 // Test each format |
| 193 testPVRTC_RGBA_2BPP(); |
| 194 testPVRTC_RGBA_4BPP(); |
| 195 } |
| 196 |
| 197 function testPVRTC_RGBA_2BPP() { |
| 198 var tests = [ |
| 199 { width: 4, |
| 200 height: 4, |
| 201 channels: 4, |
| 202 data: pvrtc_4x4_rgba_2bpp, |
| 203 raw: pvrtc_4x4_rgba_2bpp_decoded, |
| 204 format: ext.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG |
| 205 } |
| 206 ]; |
| 207 testPVRTCTextures(tests); |
| 208 } |
| 209 |
| 210 function testPVRTC_RGBA_4BPP() { |
| 211 var tests = [ |
| 212 { width: 4, |
| 213 height: 4, |
| 214 channels: 4, |
| 215 data: pvrtc_4x4_rgba_4bpp, |
| 216 raw: pvrtc_4x4_rgba_4bpp_decoded, |
| 217 format: ext.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG |
| 218 } |
| 219 ]; |
| 220 testPVRTCTextures(tests); |
| 221 } |
| 222 |
| 223 function testPVRTCTextures(tests) { |
| 224 debug("<hr/>"); |
| 225 for (var ii = 0; ii < tests.length; ++ii) { |
| 226 testPVRTCTexture(tests[ii]); |
| 227 } |
| 228 } |
| 229 |
| 230 function testPVRTCTexture(test) { |
| 231 var data = new Uint8Array(test.data); |
| 232 var width = test.width; |
| 233 var height = test.height; |
| 234 var format = test.format; |
| 235 var uncompressedData = test.raw; |
| 236 |
| 237 canvas.width = width; |
| 238 canvas.height = height; |
| 239 gl.viewport(0, 0, width, height); |
| 240 debug("testing " + formatToString(format) + " " + width + "x" + height); |
| 241 |
| 242 var tex = gl.createTexture(); |
| 243 gl.bindTexture(gl.TEXTURE_2D, tex); |
| 244 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| 245 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| 246 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| 247 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| 248 gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, data); |
| 249 glErrorShouldBe(gl, gl.NO_ERROR, "uploading compressed texture"); |
| 250 gl.generateMipmap(gl.TEXTURE_2D); |
| 251 glErrorShouldBe(gl, gl.INVALID_OPERATION, "trying to generate mipmaps from c
ompressed texture"); |
| 252 wtu.clearAndDrawUnitQuad(gl); |
| 253 compareRect(width, height, test.channels, width, height, uncompressedData, d
ata, format); |
| 254 |
| 255 gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height, 1, data); |
| 256 glErrorShouldBe(gl, gl.INVALID_VALUE, "non 0 border"); |
| 257 |
| 258 gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width - 1, height, 0, data
); |
| 259 glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions"); |
| 260 gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width - 2, height, 0, data
); |
| 261 glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions"); |
| 262 gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height - 1, 0, data
); |
| 263 glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions"); |
| 264 gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height - 2, 0, data
); |
| 265 glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions"); |
| 266 |
| 267 gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, width, height, format, da
ta); |
| 268 glErrorShouldBe(gl, gl.NO_ERROR, "compressedTexSubImage2D allowed for reload
ing of complete textures"); |
| 269 |
| 270 gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, width - 2, height, format
, data); |
| 271 glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allow
ed for partial texture updates"); |
| 272 gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, width, height - 2, format
, data); |
| 273 glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allow
ed for partial texture updates"); |
| 274 gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 2, 0, width - 2, height, format
, data); |
| 275 glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allow
ed for partial texture updates"); |
| 276 gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 2, width, height - 2, format
, data); |
| 277 glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allow
ed for partial texture updates"); |
| 278 } |
| 279 |
| 280 function insertImg(element, caption, img) { |
| 281 var div = document.createElement("div"); |
| 282 div.appendChild(img); |
| 283 var label = document.createElement("div"); |
| 284 label.appendChild(document.createTextNode(caption)); |
| 285 div.appendChild(label); |
| 286 element.appendChild(div); |
| 287 } |
| 288 |
| 289 function makeImage(imageWidth, imageHeight, dataWidth, data, alpha) { |
| 290 var scale = 8; |
| 291 var c = document.createElement("canvas"); |
| 292 c.width = imageWidth * scale; |
| 293 c.height = imageHeight * scale; |
| 294 var ctx = c.getContext("2d"); |
| 295 for (var yy = 0; yy < imageHeight; ++yy) { |
| 296 for (var xx = 0; xx < imageWidth; ++xx) { |
| 297 var offset = (yy * dataWidth + xx) * 4; |
| 298 ctx.fillStyle = "rgba(" + |
| 299 data[offset + 0] + "," + |
| 300 data[offset + 1] + "," + |
| 301 data[offset + 2] + "," + |
| 302 (alpha ? data[offset + 3] / 255 : 1) + ")"; |
| 303 ctx.fillRect(xx * scale, yy * scale, scale, scale); |
| 304 } |
| 305 } |
| 306 var img = document.createElement("img"); |
| 307 img.src = c.toDataURL(); |
| 308 return img; |
| 309 } |
| 310 function compareRect( |
| 311 actualWidth, actualHeight, actualChannels, |
| 312 dataWidth, dataHeight, expectedData, |
| 313 testData, testFormat, tolerance) { |
| 314 if(typeof(tolerance) == 'undefined') { tolerance = 5; } |
| 315 var actual = new Uint8Array(actualWidth * actualHeight * 4); |
| 316 gl.readPixels( |
| 317 0, 0, actualWidth, actualHeight, gl.RGBA, gl.UNSIGNED_BYTE, actual); |
| 318 |
| 319 var div = document.createElement("div"); |
| 320 div.className = "testimages"; |
| 321 insertImg(div, "expected", makeImage( |
| 322 actualWidth, actualHeight, dataWidth, expectedData, |
| 323 actualChannels == 4)); |
| 324 insertImg(div, "actual", makeImage( |
| 325 actualWidth, actualHeight, actualWidth, actual, |
| 326 actualChannels == 4)); |
| 327 div.appendChild(document.createElement('br')); |
| 328 document.getElementById("console").appendChild(div); |
| 329 |
| 330 var failed = false; |
| 331 for (var yy = 0; yy < actualHeight; ++yy) { |
| 332 for (var xx = 0; xx < actualWidth; ++xx) { |
| 333 var actualOffset = (yy * actualWidth + xx) * 4; |
| 334 var expectedOffset = (yy * dataWidth + xx) * 4; |
| 335 var expected = [ |
| 336 expectedData[expectedOffset + 0], |
| 337 expectedData[expectedOffset + 1], |
| 338 expectedData[expectedOffset + 2], |
| 339 (actualChannels == 3 ? 255 : expectedData[expectedOffset + 3
]) |
| 340 ]; |
| 341 for (var jj = 0; jj < 4; ++jj) { |
| 342 if (Math.abs(actual[actualOffset + jj] - expected[jj]) > toleran
ce) { |
| 343 failed = true; |
| 344 var was = actual[actualOffset + 0].toString(); |
| 345 for (j = 1; j < 4; ++j) { |
| 346 was += "," + actual[actualOffset + j]; |
| 347 } |
| 348 testFailed('at (' + xx + ', ' + yy + |
| 349 ') expected: ' + expected + ' was ' + w
as); |
| 350 } |
| 351 } |
| 352 } |
| 353 } |
| 354 if (!failed) { |
| 355 testPassed("texture rendered correctly"); |
| 356 } |
| 357 } |
| 358 |
| 359 debug(""); |
| 360 var successfullyParsed = true; |
| 361 </script> |
| 362 <script src="../../resources/js-test-post.js"></script> |
| 363 |
| 364 </body> |
| 365 </html> |
| OLD | NEW |
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Chromium Code Reviews
Issue 41893003:
Add ToT WebGL conformance tests : part 12 (last one) (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/