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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> |
| 7 <html> |
| 8 <head> |
| 9 <meta charset="utf-8"> |
| 10 <title>WebGL texImage2D conformance test.</title> |
| 11 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 12 <script src="../../resources/js-test-pre.js"></script> |
| 13 <script src="../resources/webgl-test.js"> </script> |
| 14 <script src="../resources/webgl-test-utils.js"> </script> |
| 15 </head> |
| 16 <body> |
| 17 <canvas id="example" width="256" height="16" style="width: 256px; height: 48px;"
></canvas> |
| 18 <div id="description"></div> |
| 19 <div id="console"></div> |
| 20 <script> |
| 21 description("Test texImage2D conversions."); |
| 22 var wtu = WebGLTestUtils; |
| 23 var canvas = document.getElementById("example"); |
| 24 var gl = wtu.create3DContext(canvas); |
| 25 gl.disable(gl.DITHER); |
| 26 var program = wtu.setupTexturedQuad(gl); |
| 27 |
| 28 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 29 |
| 30 var imgURLs = [ |
| 31 '../resources/gray-ramp-256-with-128-alpha.png', |
| 32 '../resources/gray-ramp-256.png', |
| 33 '../resources/gray-ramp-default-gamma.png', |
| 34 '../resources/gray-ramp-gamma0.1.png', |
| 35 '../resources/gray-ramp-gamma1.0.png', |
| 36 '../resources/gray-ramp-gamma2.0.png', |
| 37 '../resources/gray-ramp-gamma4.0.png', |
| 38 '../resources/gray-ramp-gamma9.0.png', |
| 39 '../resources/gray-ramp.png', |
| 40 '../resources/zero-alpha.png', |
| 41 '../resources/3x3.png', |
| 42 '../resources/blue-1x1.jpg', |
| 43 '../resources/red-indexed.png', |
| 44 '../resources/green-2x2-16bit.png', |
| 45 '../resources/small-square-with-colorspin-profile.jpg', |
| 46 '../resources/small-square-with-colorspin-profile.png', |
| 47 '../resources/small-square-with-cie-rgb-profile.png', |
| 48 '../resources/small-square-with-colormatch-profile.png', |
| 49 '../resources/small-square-with-e-srgb-profile.png', |
| 50 '../resources/small-square-with-smpte-c-profile.png', |
| 51 '../resources/small-square-with-srgb-iec61966-2.1-profile.png']; |
| 52 |
| 53 |
| 54 wtu.loadImagesAsync(imgURLs, runTests); |
| 55 |
| 56 function runTests(imgs) { |
| 57 var loc = gl.getUniformLocation(program, "tex"); |
| 58 gl.uniform1i(loc, 0); |
| 59 |
| 60 gl.disable(gl.BLEND); |
| 61 gl.disable(gl.DEPTH_TEST); |
| 62 |
| 63 var width = canvas.width; |
| 64 var height = canvas.height; |
| 65 |
| 66 function checkPixel(buf, x, y, color) { |
| 67 var off = (y * width + x) * 4; |
| 68 var msg = "pixel " + x + ", " + y + " should be " + |
| 69 color[0] + ", " + |
| 70 color[1] + ", " + |
| 71 color[2] + ", " + |
| 72 color[3] + " was " + |
| 73 buf[off + 0] + ", " + |
| 74 buf[off + 1] + ", " + |
| 75 buf[off + 2] + ", " + |
| 76 buf[off + 3]; |
| 77 |
| 78 for (var ii = 0; ii < 4; ++ii) { |
| 79 if (buf[off + ii] != color[ii]) { |
| 80 testFailed(msg); |
| 81 return; |
| 82 } |
| 83 } |
| 84 testPassed(msg); |
| 85 } |
| 86 |
| 87 function checkPixelRange(buf, x, y, color, allowedRange) { |
| 88 var off = (y * width + x) * 4; |
| 89 var msg = "pixel " + x + ", " + y + " should be within " + |
| 90 allowedRange + " units of " + |
| 91 color[0] + ", " + |
| 92 color[1] + ", " + |
| 93 color[2] + ", " + |
| 94 color[3]; |
| 95 var subMsg = " was " + |
| 96 buf[off + 0] + ", " + |
| 97 buf[off + 1] + ", " + |
| 98 buf[off + 2] + ", " + |
| 99 buf[off + 3]; |
| 100 // When running in WebKit's test harness, we don't want to print the |
| 101 // pixel value when the test passes, because different machines might |
| 102 // have different results and we record the text output. |
| 103 var inDumpRenderTree = window.layoutTestController; |
| 104 for (var ii = 0; ii < 4; ++ii) { |
| 105 if (Math.abs(buf[off + ii] - color[ii]) > allowedRange) { |
| 106 testFailed(msg + subMsg); |
| 107 return; |
| 108 } |
| 109 } |
| 110 testPassed(msg + (inDumpRenderTree ? "" : subMsg)); |
| 111 } |
| 112 |
| 113 var tex = gl.createTexture(); |
| 114 gl.bindTexture(gl.TEXTURE_2D, tex); |
| 115 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| 116 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| 117 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| 118 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| 119 |
| 120 var buf = new Uint8Array(width * height * 4); |
| 121 |
| 122 debug(""); |
| 123 debug("check pixels are NOT pre-multiplied"); |
| 124 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 125 imgs['../resources/zero-alpha.png']); |
| 126 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 127 wtu.drawQuad(gl); |
| 128 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 129 |
| 130 var left = 0; |
| 131 var middle = Math.floor(width / 2); |
| 132 var right = width - 1; |
| 133 var bottom = 0; |
| 134 var center = Math.floor(height / 2); |
| 135 var top = height - 1; |
| 136 checkPixel(buf, left, top, [ 0, 0, 0, 255]); |
| 137 checkPixel(buf, middle, top, [255, 0, 255, 255]); |
| 138 checkPixel(buf, right, top, [ 0, 0, 255, 255]); |
| 139 checkPixel(buf, left, center, [128, 128, 128, 255]); |
| 140 checkPixel(buf, middle, center, [255, 255, 255, 255]); |
| 141 checkPixel(buf, right, center, [ 0, 255, 255, 255]); |
| 142 checkPixel(buf, left, bottom, [255, 0, 0, 255]); |
| 143 checkPixel(buf, middle, bottom, [255, 255, 0, 255]); |
| 144 checkPixel(buf, right, bottom, [ 0, 255, 0, 255]); |
| 145 |
| 146 debug(""); |
| 147 debug("check quantization"); |
| 148 var quantInfo = [ |
| 149 {format: gl.RGBA, type: gl.UNSIGNED_BYTE, counts: [256, 256, 256, 2
56]}, |
| 150 {format: gl.RGBA, type: gl.UNSIGNED_SHORT_4_4_4_4, counts: [ 16, 16, 16,
16]}, |
| 151 {format: gl.RGB, type: gl.UNSIGNED_SHORT_5_6_5, counts: [ 32, 64, 32,
1]}, |
| 152 {format: gl.RGBA, type: gl.UNSIGNED_SHORT_5_5_5_1, counts: [ 32, 32, 32,
2]}]; |
| 153 for (var qq = 0; qq < quantInfo.length; ++qq) { |
| 154 var info = quantInfo[qq]; |
| 155 gl.texImage2D( |
| 156 gl.TEXTURE_2D, 0, info.format, info.format, info.type, |
| 157 imgs['../resources/gray-ramp-256.png']); |
| 158 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 159 wtu.drawQuad(gl); |
| 160 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 161 var counts = [{ }, { }, { }, { }]; |
| 162 var numUniqueValues = [0, 0, 0, 0]; |
| 163 // Count the number of unique values in each channel. |
| 164 for (var ii = 0; ii < width * height * 4; ii += 4) { |
| 165 for (var jj = 0; jj < 4; ++jj) { |
| 166 var v = buf[ii + jj]; |
| 167 if (!counts[jj][v]) { |
| 168 counts[jj][v] = 1; |
| 169 ++numUniqueValues[jj]; |
| 170 } else { |
| 171 ++counts[jj][v]; |
| 172 } |
| 173 } |
| 174 } |
| 175 for (var ii = 0; ii < 4; ++ii) { |
| 176 assertMsg(numUniqueValues[ii] == info.counts[ii], |
| 177 "There should be " + info.counts[ii] + |
| 178 " unique values in channel " + ii + ". Found " + |
| 179 numUniqueValues[ii]); |
| 180 } |
| 181 } |
| 182 |
| 183 debug(""); |
| 184 debug("Check that gamma settings don't effect 8bit pngs"); |
| 185 gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE); |
| 186 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 187 imgs['../resources/gray-ramp-default-gamma.png']); |
| 188 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 189 wtu.drawQuad(gl); |
| 190 var ref = new Uint8Array(width * height * 4); |
| 191 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, ref); |
| 192 |
| 193 var gammaImages = [ |
| 194 '../resources/gray-ramp-gamma0.1.png', |
| 195 '../resources/gray-ramp-gamma1.0.png', |
| 196 '../resources/gray-ramp-gamma2.0.png', |
| 197 '../resources/gray-ramp-gamma4.0.png', |
| 198 '../resources/gray-ramp-gamma9.0.png']; |
| 199 for (var ii = 0; ii < gammaImages.length; ++ii) { |
| 200 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 201 imgs[gammaImages[ii]]); |
| 202 wtu.drawQuad(gl); |
| 203 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 204 var same = true; |
| 205 for (var jj = 0; jj < width * height * 4; ++jj) { |
| 206 if (buf[jj] != ref[jj]) { |
| 207 same = false; |
| 208 break; |
| 209 } |
| 210 } |
| 211 assertMsg(same, "pixels should be same regardless of gamma settings."); |
| 212 } |
| 213 |
| 214 debug(""); |
| 215 debug("check pixels are UN pre-multiplied"); |
| 216 for (var ii = 0; ii < 2; ++ii) { |
| 217 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE,
null); |
| 218 if (ii == 0) { |
| 219 var canvas2d = document.createElement("canvas"); |
| 220 canvas2d.width = 256; |
| 221 canvas2d.height = 1; |
| 222 var ctx = canvas2d.getContext("2d"); |
| 223 ctx.drawImage(imgs['../resources/gray-ramp-256-with-128-alpha.png'], 0, 0)
; |
| 224 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, canvas2d
); |
| 225 } else { |
| 226 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 227 imgs['../resources/gray-ramp-256-with-128-alpha.png']); |
| 228 } |
| 229 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 230 wtu.drawQuad(gl); |
| 231 var buf = new Uint8Array(width * height * 4); |
| 232 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 233 var lt128Count = [0, 0, 0]; |
| 234 var ge128Count = [0, 0, 0]; |
| 235 for (var jj = 0; jj < width; ++jj) { |
| 236 var off = jj * 4; |
| 237 for (var cc = 0; cc < 3; ++cc) { |
| 238 if (buf[off + cc] < 128) { |
| 239 ++lt128Count[cc]; |
| 240 } else { |
| 241 ++ge128Count[cc]; |
| 242 } |
| 243 } |
| 244 } |
| 245 // Not sure the exact count here because gamma does effect drawing into the |
| 246 // canvas but it should be close to 50% so I'll pass 45% |
| 247 for (var jj = 0; jj < 3; ++jj) { |
| 248 assertMsg(ge128Count[jj] > 256 * 0.45, |
| 249 "Half the pixels in channel " + jj + |
| 250 " should be >= 128,128,128. found " + |
| 251 ((ge128Count[jj] / 256) * 100).toFixed() + "%"); |
| 252 assertMsg(lt128Count[jj] > 256 * 0.45, |
| 253 "Half the pixels in channel " + jj + |
| 254 " should be < 128,128,128. found " + |
| 255 ((lt128Count[jj] / 256) * 100).toFixed() + "%"); |
| 256 } |
| 257 } |
| 258 |
| 259 debug(""); |
| 260 debug("check canvas pixels are UN pre-multiplied"); |
| 261 var canvas2d = document.createElement("canvas"); |
| 262 canvas2d.width = 1; |
| 263 canvas2d.height = 1; |
| 264 var ctx = canvas2d.getContext("2d"); |
| 265 ctx.fillStyle ="rgba(255,255,255,0.5)"; |
| 266 ctx.fillRect(0, 0, 256, 1); |
| 267 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d); |
| 268 wtu.drawQuad(gl); |
| 269 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 270 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 271 checkPixelRange(buf, 0, 0, [255, 255, 255, 127], 4); |
| 272 |
| 273 debug(""); |
| 274 debug("check canvas pixels are pre-multiplied"); |
| 275 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true); |
| 276 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d); |
| 277 wtu.drawQuad(gl); |
| 278 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 279 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 280 checkPixelRange(buf, 0, 0, [127, 127, 127, 127], 4); |
| 281 |
| 282 |
| 283 debug(""); |
| 284 debug("check pixels are pre-multiplied"); |
| 285 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true); |
| 286 // TODO(gman): use different texture that won't pass on failure |
| 287 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, |
| 288 imgs['../resources/zero-alpha.png']); |
| 289 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 290 wtu.drawQuad(gl); |
| 291 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 292 |
| 293 var same = true; |
| 294 for (var jj = 0; jj < width * height * 4; ++jj) { |
| 295 if (buf[jj] != 0) { |
| 296 same = false; |
| 297 break; |
| 298 } |
| 299 } |
| 300 assertMsg(same, "pixels should all be 0."); |
| 301 |
| 302 debug(""); |
| 303 debug("check pixels are flipped"); |
| 304 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 305 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true); |
| 306 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 307 imgs['../resources/3x3.png']); |
| 308 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 309 wtu.drawQuad(gl); |
| 310 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 311 |
| 312 checkPixel(buf, left, top, [255, 0, 0, 255]); |
| 313 checkPixel(buf, middle, top, [255, 255, 0, 255]); |
| 314 checkPixel(buf, right, top, [255, 0, 0, 255]); |
| 315 checkPixel(buf, left, center, [255, 0, 255, 255]); |
| 316 checkPixel(buf, middle, center, [255, 0, 0, 255]); |
| 317 checkPixel(buf, right, center, [ 0, 255, 0, 255]); |
| 318 checkPixel(buf, left, bottom, [ 0, 0, 0, 255]); |
| 319 checkPixel(buf, middle, bottom, [ 0, 0, 255, 255]); |
| 320 checkPixel(buf, right, bottom, [255, 0, 0, 255]); |
| 321 |
| 322 debug(""); |
| 323 debug("check uploading of images with no alpha channel works"); |
| 324 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 325 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); |
| 326 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 327 imgs['../resources/blue-1x1.jpg']); |
| 328 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 329 wtu.drawQuad(gl); |
| 330 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 331 checkPixelRange(buf, middle, center, [ 0, 0, 255, 255], 10); |
| 332 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); |
| 333 |
| 334 debug(""); |
| 335 debug("check uploading of 16-bit images"); |
| 336 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 337 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); |
| 338 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 339 imgs['../resources/green-2x2-16bit.png']); |
| 340 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 341 wtu.drawQuad(gl); |
| 342 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 343 checkPixelRange(buf, middle, center, [ 15, 121, 0, 255], 10); |
| 344 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); |
| 345 |
| 346 debug(""); |
| 347 debug("check uploading of images with ICC profiles"); |
| 348 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 349 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); |
| 350 gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE); |
| 351 |
| 352 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 353 imgs['../resources/small-square-with-colorspin-profile.jpg']); |
| 354 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 355 wtu.drawQuad(gl); |
| 356 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 357 // The image is red. However, if we ignore the color profile, it is blue. |
| 358 checkPixelRange(buf, middle, center, [ 0, 0, 255, 255], 10); |
| 359 |
| 360 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 361 imgs['../resources/small-square-with-colorspin-profile.png']); |
| 362 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 363 wtu.drawQuad(gl); |
| 364 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 365 // The image is red. However, if we ignore the color profile, it is blue. |
| 366 checkPixelRange(buf, middle, center, [ 0, 0, 255, 255], 10); |
| 367 |
| 368 var iccPNGs = [ |
| 369 '../resources/small-square-with-cie-rgb-profile.png', |
| 370 '../resources/small-square-with-colormatch-profile.png', |
| 371 '../resources/small-square-with-e-srgb-profile.png', |
| 372 '../resources/small-square-with-smpte-c-profile.png', |
| 373 '../resources/small-square-with-srgb-iec61966-2.1-profile.png']; |
| 374 for (var ii = 0; ii < iccPNGs.length; ++ii) { |
| 375 var buf2 = new Uint8Array(width * height * 4); |
| 376 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 377 imgs[iccPNGs[ii]]); |
| 378 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 379 wtu.drawQuad(gl); |
| 380 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf2); |
| 381 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); |
| 382 var same = true; |
| 383 for (var jj = 0; jj < buf.length; ++jj) { |
| 384 if (buf[jj] != buf2[jj]) { |
| 385 same = false; |
| 386 break; |
| 387 } |
| 388 } |
| 389 assertMsg(same, "uploading PNGs with same data but various ICC profiles shou
ld generate the same results"); |
| 390 } |
| 391 |
| 392 debug(""); |
| 393 debug("check uploading of indexed PNG images"); |
| 394 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 395 imgs['../resources/red-indexed.png']); |
| 396 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 397 wtu.drawQuad(gl); |
| 398 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 399 // The image should be red. |
| 400 checkPixelRange(buf, middle, center, [ 255, 0, 0, 255 ], 10); |
| 401 |
| 402 debug("") |
| 403 debug("check calling texImage2D with NULL clears the texture"); |
| 404 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, |
| 405 imgs['../resources/red-indexed.png'].width, |
| 406 imgs['../resources/red-indexed.png'].height, |
| 407 0, gl.RGB, gl.UNSIGNED_BYTE, null); |
| 408 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 409 wtu.drawQuad(gl); |
| 410 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 411 // The image should be white. |
| 412 checkPixelRange(buf, middle, center, [ 0, 0, 0, 255 ], 10); |
| 413 |
| 414 debug(""); |
| 415 successfullyParsed = true; |
| 416 shouldBeTrue("successfullyParsed"); |
| 417 debug('<br /><span class="pass">TEST COMPLETE</span>'); |
| 418 notifyFinishedToHarness(); |
| 419 } |
| 420 </script> |
| 421 </body> |
| 422 </html> |
| 423 |
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Chromium Code Reviews
Issue 9373009:
Check in webgl conformance tests r16844 from khronos. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/