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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 texImage2D conformance test.</title> |
| 33 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 34 <script src="../../resources/js-test-pre.js"></script> |
| 35 <script src="../resources/webgl-test.js"> </script> |
| 36 <script src="../resources/webgl-test-utils.js"> </script> |
| 37 </head> |
| 38 <body> |
| 39 <canvas id="example" width="256" height="16" style="width: 256px; height: 48px;"
></canvas> |
| 40 <div id="description"></div> |
| 41 <div id="console"></div> |
| 42 <script> |
| 43 description("Test texImage2D conversions."); |
| 44 var wtu = WebGLTestUtils; |
| 45 var gl = wtu.create3DContext("example"); |
| 46 gl.disable(gl.DITHER); |
| 47 var program = wtu.setupTexturedQuad(gl); |
| 48 |
| 49 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 50 |
| 51 var imgURLs = [ |
| 52 '../resources/gray-ramp-256-with-128-alpha.png', |
| 53 '../resources/gray-ramp-256.png', |
| 54 '../resources/gray-ramp-default-gamma.png', |
| 55 '../resources/gray-ramp-gamma0.1.png', |
| 56 '../resources/gray-ramp-gamma1.0.png', |
| 57 '../resources/gray-ramp-gamma2.0.png', |
| 58 '../resources/gray-ramp-gamma4.0.png', |
| 59 '../resources/gray-ramp-gamma9.0.png', |
| 60 '../resources/gray-ramp.png', |
| 61 '../resources/zero-alpha.png', |
| 62 '../resources/3x3.png', |
| 63 '../resources/blue-1x1.jpg', |
| 64 '../resources/red-indexed.png', |
| 65 '../resources/green-2x2-16bit.png', |
| 66 '../resources/small-square-with-colorspin-profile.jpg', |
| 67 '../resources/small-square-with-colorspin-profile.png', |
| 68 '../resources/small-square-with-cie-rgb-profile.png', |
| 69 '../resources/small-square-with-colormatch-profile.png', |
| 70 '../resources/small-square-with-e-srgb-profile.png', |
| 71 '../resources/small-square-with-smpte-c-profile.png', |
| 72 '../resources/small-square-with-srgb-iec61966-2.1-profile.png']; |
| 73 |
| 74 |
| 75 wtu.loadImagesAsync(imgURLs, runTests); |
| 76 |
| 77 function runTests(imgs) { |
| 78 var loc = gl.getUniformLocation(program, "tex"); |
| 79 gl.uniform1i(loc, 0); |
| 80 |
| 81 gl.disable(gl.BLEND); |
| 82 gl.disable(gl.DEPTH_TEST); |
| 83 |
| 84 var width = gl.canvas.width; |
| 85 var height = gl.canvas.height; |
| 86 |
| 87 function checkPixel(buf, x, y, color) { |
| 88 var off = (y * width + x) * 4; |
| 89 var msg = "pixel " + x + ", " + y + " should be " + |
| 90 color[0] + ", " + |
| 91 color[1] + ", " + |
| 92 color[2] + ", " + |
| 93 color[3] + " was " + |
| 94 buf[off + 0] + ", " + |
| 95 buf[off + 1] + ", " + |
| 96 buf[off + 2] + ", " + |
| 97 buf[off + 3]; |
| 98 |
| 99 for (var ii = 0; ii < 4; ++ii) { |
| 100 if (buf[off + ii] != color[ii]) { |
| 101 testFailed(msg); |
| 102 return; |
| 103 } |
| 104 } |
| 105 testPassed(msg); |
| 106 } |
| 107 |
| 108 function checkPixelRange(buf, x, y, color, allowedRange) { |
| 109 var off = (y * width + x) * 4; |
| 110 var msg = "pixel " + x + ", " + y + " should be within " + |
| 111 allowedRange + " units of " + |
| 112 color[0] + ", " + |
| 113 color[1] + ", " + |
| 114 color[2] + ", " + |
| 115 color[3]; |
| 116 var subMsg = " was " + |
| 117 buf[off + 0] + ", " + |
| 118 buf[off + 1] + ", " + |
| 119 buf[off + 2] + ", " + |
| 120 buf[off + 3]; |
| 121 // When running in WebKit's test harness, we don't want to print the |
| 122 // pixel value when the test passes, because different machines might |
| 123 // have different results and we record the text output. |
| 124 var inDumpRenderTree = window.layoutTestController; |
| 125 for (var ii = 0; ii < 4; ++ii) { |
| 126 if (Math.abs(buf[off + ii] - color[ii]) > allowedRange) { |
| 127 testFailed(msg + subMsg); |
| 128 return; |
| 129 } |
| 130 } |
| 131 testPassed(msg + (inDumpRenderTree ? "" : subMsg)); |
| 132 } |
| 133 |
| 134 var tex = gl.createTexture(); |
| 135 gl.bindTexture(gl.TEXTURE_2D, tex); |
| 136 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| 137 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| 138 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| 139 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| 140 |
| 141 var buf = new Uint8Array(width * height * 4); |
| 142 |
| 143 debug(""); |
| 144 debug("check pixels are NOT pre-multiplied"); |
| 145 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 146 imgs['../resources/zero-alpha.png']); |
| 147 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 148 wtu.drawQuad(gl); |
| 149 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 150 |
| 151 var left = 0; |
| 152 var middle = Math.floor(width / 2); |
| 153 var right = width - 1; |
| 154 var bottom = 0; |
| 155 var center = Math.floor(height / 2); |
| 156 var top = height - 1; |
| 157 checkPixel(buf, left, top, [ 0, 0, 0, 255]); |
| 158 checkPixel(buf, middle, top, [255, 0, 255, 255]); |
| 159 checkPixel(buf, right, top, [ 0, 0, 255, 255]); |
| 160 checkPixel(buf, left, center, [128, 128, 128, 255]); |
| 161 checkPixel(buf, middle, center, [255, 255, 255, 255]); |
| 162 checkPixel(buf, right, center, [ 0, 255, 255, 255]); |
| 163 checkPixel(buf, left, bottom, [255, 0, 0, 255]); |
| 164 checkPixel(buf, middle, bottom, [255, 255, 0, 255]); |
| 165 checkPixel(buf, right, bottom, [ 0, 255, 0, 255]); |
| 166 |
| 167 debug(""); |
| 168 debug("check quantization"); |
| 169 var quantInfo = [ |
| 170 {format: gl.RGBA, type: gl.UNSIGNED_BYTE, counts: [256, 256, 256, 2
56]}, |
| 171 {format: gl.RGBA, type: gl.UNSIGNED_SHORT_4_4_4_4, counts: [ 16, 16, 16,
16]}, |
| 172 {format: gl.RGB, type: gl.UNSIGNED_SHORT_5_6_5, counts: [ 32, 64, 32,
1]}, |
| 173 {format: gl.RGBA, type: gl.UNSIGNED_SHORT_5_5_5_1, counts: [ 32, 32, 32,
2]}]; |
| 174 for (var qq = 0; qq < quantInfo.length; ++qq) { |
| 175 var info = quantInfo[qq]; |
| 176 gl.texImage2D( |
| 177 gl.TEXTURE_2D, 0, info.format, info.format, info.type, |
| 178 imgs['../resources/gray-ramp-256.png']); |
| 179 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 180 wtu.drawQuad(gl); |
| 181 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 182 var counts = [{ }, { }, { }, { }]; |
| 183 var numUniqueValues = [0, 0, 0, 0]; |
| 184 // Count the number of unique values in each channel. |
| 185 for (var ii = 0; ii < width * height * 4; ii += 4) { |
| 186 for (var jj = 0; jj < 4; ++jj) { |
| 187 var v = buf[ii + jj]; |
| 188 if (!counts[jj][v]) { |
| 189 counts[jj][v] = 1; |
| 190 ++numUniqueValues[jj]; |
| 191 } else { |
| 192 ++counts[jj][v]; |
| 193 } |
| 194 } |
| 195 } |
| 196 for (var ii = 0; ii < 4; ++ii) { |
| 197 assertMsg(numUniqueValues[ii] == info.counts[ii], |
| 198 "There should be " + info.counts[ii] + |
| 199 " unique values in channel " + ii + ". Found " + |
| 200 numUniqueValues[ii]); |
| 201 } |
| 202 } |
| 203 |
| 204 debug(""); |
| 205 debug("Check that gamma settings don't effect 8bit pngs"); |
| 206 gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE); |
| 207 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 208 imgs['../resources/gray-ramp-default-gamma.png']); |
| 209 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 210 wtu.drawQuad(gl); |
| 211 var ref = new Uint8Array(width * height * 4); |
| 212 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, ref); |
| 213 |
| 214 var gammaImages = [ |
| 215 '../resources/gray-ramp-gamma0.1.png', |
| 216 '../resources/gray-ramp-gamma1.0.png', |
| 217 '../resources/gray-ramp-gamma2.0.png', |
| 218 '../resources/gray-ramp-gamma4.0.png', |
| 219 '../resources/gray-ramp-gamma9.0.png']; |
| 220 for (var ii = 0; ii < gammaImages.length; ++ii) { |
| 221 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 222 imgs[gammaImages[ii]]); |
| 223 wtu.drawQuad(gl); |
| 224 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 225 var same = true; |
| 226 for (var jj = 0; jj < width * height * 4; ++jj) { |
| 227 if (buf[jj] != ref[jj]) { |
| 228 same = false; |
| 229 break; |
| 230 } |
| 231 } |
| 232 assertMsg(same, "pixels should be same regardless of gamma settings."); |
| 233 } |
| 234 |
| 235 debug(""); |
| 236 debug("check pixels are UN pre-multiplied"); |
| 237 for (var ii = 0; ii < 2; ++ii) { |
| 238 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE,
null); |
| 239 if (ii == 0) { |
| 240 var canvas2d = document.createElement("canvas"); |
| 241 canvas2d.width = 256; |
| 242 canvas2d.height = 1; |
| 243 var ctx = canvas2d.getContext("2d"); |
| 244 ctx.drawImage(imgs['../resources/gray-ramp-256-with-128-alpha.png'], 0, 0)
; |
| 245 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, canvas2d
); |
| 246 } else { |
| 247 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 248 imgs['../resources/gray-ramp-256-with-128-alpha.png']); |
| 249 } |
| 250 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 251 wtu.drawQuad(gl); |
| 252 var buf = new Uint8Array(width * height * 4); |
| 253 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 254 var lt128Count = [0, 0, 0]; |
| 255 var ge128Count = [0, 0, 0]; |
| 256 for (var jj = 0; jj < width; ++jj) { |
| 257 var off = jj * 4; |
| 258 for (var cc = 0; cc < 3; ++cc) { |
| 259 if (buf[off + cc] < 128) { |
| 260 ++lt128Count[cc]; |
| 261 } else { |
| 262 ++ge128Count[cc]; |
| 263 } |
| 264 } |
| 265 } |
| 266 // Not sure the exact count here because gamma does effect drawing into the |
| 267 // canvas but it should be close to 50% so I'll pass 45% |
| 268 for (var jj = 0; jj < 3; ++jj) { |
| 269 assertMsg(ge128Count[jj] > 256 * 0.45, |
| 270 "Half the pixels in channel " + jj + |
| 271 " should be >= 128,128,128. found " + |
| 272 ((ge128Count[jj] / 256) * 100).toFixed() + "%"); |
| 273 assertMsg(lt128Count[jj] > 256 * 0.45, |
| 274 "Half the pixels in channel " + jj + |
| 275 " should be < 128,128,128. found " + |
| 276 ((lt128Count[jj] / 256) * 100).toFixed() + "%"); |
| 277 } |
| 278 } |
| 279 |
| 280 debug(""); |
| 281 debug("check canvas pixels are UN pre-multiplied"); |
| 282 var canvas2d = document.createElement("canvas"); |
| 283 canvas2d.width = 1; |
| 284 canvas2d.height = 1; |
| 285 var ctx = canvas2d.getContext("2d"); |
| 286 ctx.fillStyle ="rgba(255,255,255,0.5)"; |
| 287 ctx.fillRect(0, 0, 256, 1); |
| 288 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d); |
| 289 wtu.drawQuad(gl); |
| 290 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 291 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 292 checkPixelRange(buf, 0, 0, [255, 255, 255, 127], 4); |
| 293 |
| 294 debug(""); |
| 295 debug("check canvas pixels are pre-multiplied"); |
| 296 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true); |
| 297 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d); |
| 298 wtu.drawQuad(gl); |
| 299 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 300 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 301 checkPixelRange(buf, 0, 0, [127, 127, 127, 127], 4); |
| 302 |
| 303 |
| 304 debug(""); |
| 305 debug("check pixels are pre-multiplied"); |
| 306 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true); |
| 307 // TODO(gman): use different texture that won't pass on failure |
| 308 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, |
| 309 imgs['../resources/zero-alpha.png']); |
| 310 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 311 wtu.drawQuad(gl); |
| 312 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 313 |
| 314 var same = true; |
| 315 for (var jj = 0; jj < width * height * 4; ++jj) { |
| 316 if (buf[jj] != 0) { |
| 317 same = false; |
| 318 break; |
| 319 } |
| 320 } |
| 321 assertMsg(same, "pixels should all be 0."); |
| 322 |
| 323 debug(""); |
| 324 debug("check pixels are flipped"); |
| 325 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 326 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true); |
| 327 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 328 imgs['../resources/3x3.png']); |
| 329 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 330 wtu.drawQuad(gl); |
| 331 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 332 |
| 333 checkPixel(buf, left, top, [255, 0, 0, 255]); |
| 334 checkPixel(buf, middle, top, [255, 255, 0, 255]); |
| 335 checkPixel(buf, right, top, [255, 0, 0, 255]); |
| 336 checkPixel(buf, left, center, [255, 0, 255, 255]); |
| 337 checkPixel(buf, middle, center, [255, 0, 0, 255]); |
| 338 checkPixel(buf, right, center, [ 0, 255, 0, 255]); |
| 339 checkPixel(buf, left, bottom, [ 0, 0, 0, 255]); |
| 340 checkPixel(buf, middle, bottom, [ 0, 0, 255, 255]); |
| 341 checkPixel(buf, right, bottom, [255, 0, 0, 255]); |
| 342 |
| 343 debug(""); |
| 344 debug("check uploading of images with no alpha channel works"); |
| 345 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 346 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); |
| 347 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 348 imgs['../resources/blue-1x1.jpg']); |
| 349 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 350 wtu.drawQuad(gl); |
| 351 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 352 checkPixelRange(buf, middle, center, [ 0, 0, 255, 255], 10); |
| 353 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); |
| 354 |
| 355 debug(""); |
| 356 debug("check uploading of 16-bit images"); |
| 357 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 358 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); |
| 359 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 360 imgs['../resources/green-2x2-16bit.png']); |
| 361 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 362 wtu.drawQuad(gl); |
| 363 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 364 checkPixelRange(buf, middle, center, [ 15, 121, 0, 255], 10); |
| 365 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); |
| 366 |
| 367 debug(""); |
| 368 debug("check uploading of images with ICC profiles"); |
| 369 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
| 370 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); |
| 371 gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE); |
| 372 |
| 373 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 374 imgs['../resources/small-square-with-colorspin-profile.jpg']); |
| 375 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 376 wtu.drawQuad(gl); |
| 377 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 378 // The image is red. However, if we ignore the color profile, it is blue. |
| 379 checkPixelRange(buf, middle, center, [ 0, 0, 255, 255], 10); |
| 380 |
| 381 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 382 imgs['../resources/small-square-with-colorspin-profile.png']); |
| 383 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 384 wtu.drawQuad(gl); |
| 385 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 386 // The image is red. However, if we ignore the color profile, it is blue. |
| 387 checkPixelRange(buf, middle, center, [ 0, 0, 255, 255], 10); |
| 388 |
| 389 var iccPNGs = [ |
| 390 '../resources/small-square-with-cie-rgb-profile.png', |
| 391 '../resources/small-square-with-colormatch-profile.png', |
| 392 '../resources/small-square-with-e-srgb-profile.png', |
| 393 '../resources/small-square-with-smpte-c-profile.png', |
| 394 '../resources/small-square-with-srgb-iec61966-2.1-profile.png']; |
| 395 for (var ii = 0; ii < iccPNGs.length; ++ii) { |
| 396 var buf2 = new Uint8Array(width * height * 4); |
| 397 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 398 imgs[iccPNGs[ii]]); |
| 399 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 400 wtu.drawQuad(gl); |
| 401 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf2); |
| 402 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); |
| 403 var same = true; |
| 404 for (var jj = 0; jj < buf.length; ++jj) { |
| 405 if (buf[jj] != buf2[jj]) { |
| 406 same = false; |
| 407 break; |
| 408 } |
| 409 } |
| 410 assertMsg(same, "uploading PNGs with same data but various ICC profiles shou
ld generate the same results"); |
| 411 } |
| 412 |
| 413 debug(""); |
| 414 debug("check uploading of indexed PNG images"); |
| 415 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, |
| 416 imgs['../resources/red-indexed.png']); |
| 417 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 418 wtu.drawQuad(gl); |
| 419 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 420 // The image should be red. |
| 421 checkPixelRange(buf, middle, center, [ 255, 0, 0, 255 ], 10); |
| 422 |
| 423 debug("") |
| 424 debug("check calling texImage2D with NULL clears the texture"); |
| 425 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, |
| 426 imgs['../resources/red-indexed.png'].width, |
| 427 imgs['../resources/red-indexed.png'].height, |
| 428 0, gl.RGB, gl.UNSIGNED_BYTE, null); |
| 429 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup"); |
| 430 wtu.drawQuad(gl); |
| 431 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf); |
| 432 // The image should be white. |
| 433 checkPixelRange(buf, middle, center, [ 0, 0, 0, 255 ], 10); |
| 434 |
| 435 debug(""); |
| 436 successfullyParsed = true; |
| 437 shouldBeTrue("successfullyParsed"); |
| 438 debug('<br /><span class="pass">TEST COMPLETE</span>'); |
| 439 notifyFinishedToHarness(); |
| 440 } |
| 441 </script> |
| 442 </body> |
| 443 </html> |
| 444 |
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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/