The Tor Browser / annotate

content/canvas/test/webgl-conformance/conformance/renderbuffers/framebuffer-object-attachment.html@6474c204b198 (annotated)

content/canvas/test/webgl-conformance/conformance/renderbuffers/framebuffer-object-attachment.html

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 <!--
michael@0 2 Copyright (c) 2011 The Chromium Authors.
michael@0 3 Copyright (c) 2011 Mozilla Foundation.
michael@0 4
michael@0 5 All rights reserved.
michael@0 6 Use of this source code is governed by a BSD-style license that can be
michael@0 7 found in the LICENSE file.
michael@0 8 -->
michael@0 9 <!DOCTYPE html>
michael@0 10 <html>
michael@0 11 <head>
michael@0 12 <meta charset="utf-8">
michael@0 13 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
michael@0 14 <script src="../../resources/js-test-pre.js"></script>
michael@0 15 <script src="../resources/webgl-test.js"></script>
michael@0 16 <script src="../resources/webgl-test-utils.js"></script>
michael@0 17 </head>
michael@0 18 <body>
michael@0 19 <div id="description"></div>
michael@0 20 <div id="console"></div>
michael@0 21
michael@0 22 <script>
michael@0 23 var wtu = WebGLTestUtils;
michael@0 24 var gl;
michael@0 25 var fbo;
michael@0 26 var depthBuffer;
michael@0 27 var stencilBuffer;
michael@0 28 var depthStencilBuffer;
michael@0 29 var colorBuffer;
michael@0 30 var width;
michael@0 31 var height;
michael@0 32
michael@0 33 const ALLOW_COMPLETE = 0x01;
michael@0 34 const ALLOW_UNSUPPORTED = 0x02;
michael@0 35 const ALLOW_INCOMPLETE_ATTACHMENT = 0x04;
michael@0 36
michael@0 37 function checkFramebufferForAllowedStatuses(allowedStatuses)
michael@0 38 {
michael@0 39 // If the framebuffer is in an error state for multiple reasons,
michael@0 40 // we can't guarantee which one will be reported.
michael@0 41 var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
michael@0 42 var statusAllowed = ((allowedStatuses & ALLOW_COMPLETE) && (status == gl.FRAMEBUFFER_COMPLETE)) ||
michael@0 43 ((allowedStatuses & ALLOW_UNSUPPORTED) && (status == gl.FRAMEBUFFER_UNSUPPORTED)) ||
michael@0 44 ((allowedStatuses & ALLOW_INCOMPLETE_ATTACHMENT) && (status == gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT));
michael@0 45 var msg = "gl.checkFramebufferStatus(gl.FRAMEBUFFER) returned " + status;
michael@0 46 if (statusAllowed)
michael@0 47 testPassed(msg);
michael@0 48 else
michael@0 49 testFailed(msg);
michael@0 50 }
michael@0 51
michael@0 52 function testAttachment(attachment, buffer, allowedStatuses)
michael@0 53 {
michael@0 54 shouldBeNonNull("fbo = gl.createFramebuffer()");
michael@0 55 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
michael@0 56 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 57 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment, gl.RENDERBUFFER, buffer);
michael@0 58 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 59 checkFramebufferForAllowedStatuses(allowedStatuses);
michael@0 60 if ((allowedStatuses & ALLOW_COMPLETE) == 0) {
michael@0 61 gl.clear(gl.COLOR_BUFFER_BIT);
michael@0 62 glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION);
michael@0 63 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(width * height * 4));
michael@0 64 glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION);
michael@0 65 }
michael@0 66 gl.deleteFramebuffer(fbo);
michael@0 67 }
michael@0 68
michael@0 69 function testAttachments(attachment0, buffer0, attachment1, buffer1, allowedStatuses)
michael@0 70 {
michael@0 71 shouldBeNonNull("fbo = gl.createFramebuffer()");
michael@0 72 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
michael@0 73 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 74 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment0, gl.RENDERBUFFER, buffer0);
michael@0 75 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 76 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment1, gl.RENDERBUFFER, buffer1);
michael@0 77 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 78 checkFramebufferForAllowedStatuses(allowedStatuses);
michael@0 79 gl.deleteFramebuffer(fbo);
michael@0 80 }
michael@0 81
michael@0 82 function testColorRenderbuffer(internalformat, allowedStatuses)
michael@0 83 {
michael@0 84 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 85 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 86 gl.renderbufferStorage(gl.RENDERBUFFER, internalformat, width, height);
michael@0 87 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 88 testAttachment(gl.COLOR_ATTACHMENT0, colorBuffer, allowedStatuses);
michael@0 89 }
michael@0 90
michael@0 91 function testDepthStencilRenderbuffer(allowedStatuses)
michael@0 92 {
michael@0 93 shouldBeNonNull("depthStencilBuffer = gl.createRenderbuffer()");
michael@0 94 gl.bindRenderbuffer(gl.RENDERBUFFER, depthStencilBuffer);
michael@0 95 gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL, width, height);
michael@0 96 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 97
michael@0 98 // OpenGL itself doesn't seem to guarantee that e.g. a 2 x 0
michael@0 99 // renderbuffer will report 2 for its width when queried.
michael@0 100 if (!(height == 0 && width > 0))
michael@0 101 shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_WIDTH)", "width");
michael@0 102 if (!(width == 0 && height > 0))
michael@0 103 shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_HEIGHT)", "height");
michael@0 104 shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_INTERNAL_FORMAT)", "gl.DEPTH_STENCIL");
michael@0 105 shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_RED_SIZE)", "0");
michael@0 106 shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_GREEN_SIZE)", "0");
michael@0 107 shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_BLUE_SIZE)", "0");
michael@0 108 shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_ALPHA_SIZE)", "0");
michael@0 109 // Avoid verifying these for zero-sized renderbuffers for the time
michael@0 110 // being since it appears that even OpenGL doesn't guarantee them.
michael@0 111 if (width > 0 && height > 0) {
michael@0 112 shouldBeTrue("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_DEPTH_SIZE) > 0");
michael@0 113 shouldBeTrue("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_STENCIL_SIZE) > 0");
michael@0 114 }
michael@0 115 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 116 testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, allowedStatuses);
michael@0 117 }
michael@0 118
michael@0 119 description("Test framebuffer object attachment behaviors");
michael@0 120
michael@0 121 for (width = 0; width <= 2; width += 2)
michael@0 122 {
michael@0 123 for (height = 0; height <= 2; height += 2)
michael@0 124 {
michael@0 125 debug("");
michael@0 126 debug("Dimensions " + width + " x " + height);
michael@0 127
michael@0 128 debug("Create renderbuffers");
michael@0 129 shouldBeNonNull("gl = create3DContext()");
michael@0 130 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 131 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 132 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, width, height);
michael@0 133 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 134 shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
michael@0 135 gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
michael@0 136 gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, width, height);
michael@0 137 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 138 shouldBeNonNull("stencilBuffer = gl.createRenderbuffer()");
michael@0 139 gl.bindRenderbuffer(gl.RENDERBUFFER, stencilBuffer);
michael@0 140 gl.renderbufferStorage(gl.RENDERBUFFER, gl.STENCIL_INDEX8, width, height);
michael@0 141 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 142 shouldBeNonNull("depthStencilBuffer = gl.createRenderbuffer()");
michael@0 143 gl.bindRenderbuffer(gl.RENDERBUFFER, depthStencilBuffer);
michael@0 144 gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL, width, height);
michael@0 145 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 146
michael@0 147 var allowedStatusForGoodCase
michael@0 148 = (width == 0 || height == 0) ? ALLOW_INCOMPLETE_ATTACHMENT : ALLOW_COMPLETE;
michael@0 149
michael@0 150 // some cases involving stencil seem to be implementation-dependent
michael@0 151 var allowedStatusForImplDependentCase = allowedStatusForGoodCase | ALLOW_UNSUPPORTED;
michael@0 152
michael@0 153 debug("Attach depth using DEPTH_ATTACHMENT");
michael@0 154 testAttachment(gl.DEPTH_ATTACHMENT, depthBuffer, allowedStatusForGoodCase);
michael@0 155 debug("Attach depth using STENCIL_ATTACHMENT");
michael@0 156 testAttachment(gl.STENCIL_ATTACHMENT, depthBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
michael@0 157 debug("Attach depth using DEPTH_STENCIL_ATTACHMENT");
michael@0 158 testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
michael@0 159 debug("Attach stencil using STENCIL_ATTACHMENT");
michael@0 160 testAttachment(gl.STENCIL_ATTACHMENT, stencilBuffer, allowedStatusForImplDependentCase);
michael@0 161 debug("Attach stencil using DEPTH_ATTACHMENT");
michael@0 162 testAttachment(gl.DEPTH_ATTACHMENT, stencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
michael@0 163 debug("Attach stencil using DEPTH_STENCIL_ATTACHMENT");
michael@0 164 testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, stencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
michael@0 165 debug("Attach depthStencil using DEPTH_STENCIL_ATTACHMENT");
michael@0 166 testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, allowedStatusForGoodCase);
michael@0 167 debug("Attach depthStencil using DEPTH_ATTACHMENT");
michael@0 168 testAttachment(gl.DEPTH_ATTACHMENT, depthStencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
michael@0 169 debug("Attach depthStencil using STENCIL_ATTACHMENT");
michael@0 170 testAttachment(gl.STENCIL_ATTACHMENT, depthStencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
michael@0 171
michael@0 172 var allowedStatusForConflictedAttachment
michael@0 173 = (width == 0 || height == 0) ? ALLOW_UNSUPPORTED | ALLOW_INCOMPLETE_ATTACHMENT
michael@0 174 : ALLOW_UNSUPPORTED;
michael@0 175
michael@0 176 debug("Attach depth, then stencil, causing conflict");
michael@0 177 testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.STENCIL_ATTACHMENT, stencilBuffer, allowedStatusForConflictedAttachment);
michael@0 178 debug("Attach stencil, then depth, causing conflict");
michael@0 179 testAttachments(gl.STENCIL_ATTACHMENT, stencilBuffer, gl.DEPTH_ATTACHMENT, depthBuffer, allowedStatusForConflictedAttachment);
michael@0 180 debug("Attach depth, then depthStencil, causing conflict");
michael@0 181 testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, allowedStatusForConflictedAttachment);
michael@0 182 debug("Attach depthStencil, then depth, causing conflict");
michael@0 183 testAttachments(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, gl.DEPTH_ATTACHMENT, depthBuffer, allowedStatusForConflictedAttachment);
michael@0 184 debug("Attach stencil, then depthStencil, causing conflict");
michael@0 185 testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, allowedStatusForConflictedAttachment);
michael@0 186 debug("Attach depthStencil, then stencil, causing conflict");
michael@0 187 testAttachments(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, gl.STENCIL_ATTACHMENT, stencilBuffer, allowedStatusForConflictedAttachment);
michael@0 188
michael@0 189 debug("Attach color renderbuffer with internalformat == RGBA4");
michael@0 190 testColorRenderbuffer(gl.RGBA4, allowedStatusForGoodCase);
michael@0 191
michael@0 192 debug("Attach color renderbuffer with internalformat == RGB5_A1");
michael@0 193 testColorRenderbuffer(gl.RGB5_A1, allowedStatusForGoodCase);
michael@0 194
michael@0 195 debug("Attach color renderbuffer with internalformat == RGB565");
michael@0 196 testColorRenderbuffer(gl.RGB565, allowedStatusForGoodCase);
michael@0 197
michael@0 198 debug("Create and attach depthStencil renderbuffer");
michael@0 199 testDepthStencilRenderbuffer(allowedStatusForGoodCase);
michael@0 200 }
michael@0 201 }
michael@0 202
michael@0 203 // Determine if we can attach both color and depth or color and depth_stencil
michael@0 204 var depthFormat;
michael@0 205 var depthAttachment;
michael@0 206
michael@0 207 function checkValidColorDepthCombination() {
michael@0 208 shouldBeNonNull("fbo = gl.createFramebuffer()");
michael@0 209 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
michael@0 210 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 211 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 212 gl.framebufferRenderbuffer(
michael@0 213 gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 214 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
michael@0 215
michael@0 216 shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
michael@0 217 gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
michael@0 218
michael@0 219 return tryDepth(gl.DEPTH_COMPONENT16, gl.DEPTH_ATTACHMENT) || tryDepth(gl.DEPTH_STENCIL, gl.DEPTH_STENCIL_ATTACHMENT);
michael@0 220
michael@0 221 function tryDepth(try_format, try_attachment) {
michael@0 222 if (depthAttachment) {
michael@0 223 // If we've tried once unattach the old one.
michael@0 224 gl.framebufferRenderbuffer(
michael@0 225 gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, null);
michael@0 226 }
michael@0 227 depthFormat = try_format;
michael@0 228 depthAttachment = try_attachment;
michael@0 229 gl.framebufferRenderbuffer(
michael@0 230 gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, depthBuffer);
michael@0 231 gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
michael@0 232 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 233 return gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE;
michael@0 234 }
michael@0 235 }
michael@0 236
michael@0 237 if (checkValidColorDepthCombination()) {
michael@0 238 testFramebufferIncompleteDimensions();
michael@0 239 testFramebufferIncompleteAttachment();
michael@0 240 testFramebufferIncompleteMissingAttachment();
michael@0 241 testUsingIncompleteFramebuffer();
michael@0 242 }
michael@0 243
michael@0 244 function checkFramebuffer(expected) {
michael@0 245 var actual = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
michael@0 246 var msg = "gl.checkFramebufferStatus(gl.FRAMEBUFFER) should be " + wtu.glEnumToString(gl, expected) + " was " + wtu.glEnumToString(gl, actual);
michael@0 247 if (expected != gl.FRAMEBUFFER_COMPLETE) {
michael@0 248 msg += " or FRAMEBUFFER_UNSUPPORTED";
michael@0 249 }
michael@0 250 if (actual == expected ||
michael@0 251 (expected != gl.FRAMEBUFFER_COMPLETE &&
michael@0 252 actual == gl.FRAMBUFFER_UNSUPPORTED)) {
michael@0 253 testPassed(msg);
michael@0 254 } else {
michael@0 255 testFailed(msg);
michael@0 256 }
michael@0 257 }
michael@0 258
michael@0 259 function testUsingIncompleteFramebuffer() {
michael@0 260 debug("");
michael@0 261 debug("Test drawing or reading from an incomplete framebuffer");
michael@0 262 var program = wtu.setupTexturedQuad(gl);
michael@0 263 var tex = gl.createTexture();
michael@0 264 wtu.fillTexture(gl, tex, 1, 1, [0,255,0,255]);
michael@0 265
michael@0 266 shouldBeNonNull("fbo = gl.createFramebuffer()");
michael@0 267 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
michael@0 268 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 269 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 270 gl.framebufferRenderbuffer(
michael@0 271 gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 272 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
michael@0 273
michael@0 274 shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
michael@0 275 gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
michael@0 276 gl.framebufferRenderbuffer(
michael@0 277 gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, depthBuffer);
michael@0 278 gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
michael@0 279 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 280 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 281
michael@0 282 // We pick this combination because it works on desktop OpenGL but should not work on OpenGL ES 2.0
michael@0 283 gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 32, 16);
michael@0 284 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
michael@0 285 debug("");
michael@0 286 debug("Drawing or reading from an incomplete framebuffer should generate INVALID_FRAMEBUFFER_OPERATION");
michael@0 287 testRenderingAndReading();
michael@0 288
michael@0 289 shouldBeNonNull("fbo2 = gl.createFramebuffer()");
michael@0 290 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2);
michael@0 291 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
michael@0 292 debug("");
michael@0 293 debug("Drawing or reading from an incomplete framebuffer should generate INVALID_FRAMEBUFFER_OPERATION");
michael@0 294 testRenderingAndReading();
michael@0 295
michael@0 296 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 297 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 298 gl.framebufferRenderbuffer(
michael@0 299 gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 300 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 0, 0);
michael@0 301 debug("");
michael@0 302 debug("Drawing or reading from an incomplete framebuffer should generate INVALID_FRAMEBUFFER_OPERATION");
michael@0 303 testRenderingAndReading();
michael@0 304
michael@0 305 function testRenderingAndReading() {
michael@0 306 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 307 wtu.drawQuad(gl);
michael@0 308 glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "drawArrays with incomplete framebuffer");
michael@0 309 gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4));
michael@0 310 glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "readPixels from incomplete framebuffer");
michael@0 311 // copyTexImage and copyTexSubImage can be either INVALID_FRAMEBUFFER_OPERATION because
michael@0 312 // the framebuffer is invalid OR INVALID_OPERATION because in the case of no attachments
michael@0 313 // the framebuffer is not of a compatible type.
michael@0 314 gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, 1, 1);
michael@0 315 glErrorShouldBe(gl, [gl.INVALID_FRAMEBUFFER_OPERATION, gl.INVALID_OPERATION], "copyTexImage2D from incomplete framebuffer");
michael@0 316 gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0, 0, 1, 1, 0);
michael@0 317 glErrorShouldBe(gl, [gl.INVALID_FRAMEBUFFER_OPERATION, gl.INVALID_OPERATION], "copyTexSubImage2D from incomplete framebuffer");
michael@0 318 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
michael@0 319 glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "clear with incomplete framebuffer");
michael@0 320 }
michael@0 321 }
michael@0 322
michael@0 323 function testFramebufferIncompleteAttachment() {
michael@0 324 shouldBeNonNull("fbo = gl.createFramebuffer()");
michael@0 325 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
michael@0 326 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 327 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 328 gl.framebufferRenderbuffer(
michael@0 329 gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 330 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
michael@0 331 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 332
michael@0 333 debug("");
michael@0 334 debug("Wrong storage type for type of attachment be FRAMEBUFFER_INCOMPLETE_ATTACHMENT (OpenGL ES 2.0 4.4.5)");
michael@0 335 gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
michael@0 336 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
michael@0 337
michael@0 338 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
michael@0 339 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 340
michael@0 341 debug("");
michael@0 342 debug("0 size attachment should be FRAMEBUFFER_INCOMPLETE_ATTACHMENT (OpenGL ES 2.0 4.4.5)");
michael@0 343 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 0, 0);
michael@0 344 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
michael@0 345
michael@0 346 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 347 }
michael@0 348
michael@0 349 function testFramebufferIncompleteMissingAttachment() {
michael@0 350 debug("");
michael@0 351 debug("No attachments should be INCOMPLETE_FRAMEBUFFER_MISSING_ATTACHMENT (OpenGL ES 2.0 4.4.5)");
michael@0 352 shouldBeNonNull("fbo = gl.createFramebuffer()");
michael@0 353 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
michael@0 354 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
michael@0 355
michael@0 356 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 357 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 358 gl.framebufferRenderbuffer(
michael@0 359 gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 360 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
michael@0 361 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 362
michael@0 363 gl.framebufferRenderbuffer(
michael@0 364 gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, null);
michael@0 365 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
michael@0 366
michael@0 367 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 368 }
michael@0 369
michael@0 370 function testFramebufferIncompleteDimensions() {
michael@0 371 debug("");
michael@0 372 debug("Attachments of different sizes should be FRAMEBUFFER_INCOMPLETE_DIMENSIONS (OpenGL ES 2.0 4.4.5)");
michael@0 373
michael@0 374 shouldBeNonNull("fbo = gl.createFramebuffer()");
michael@0 375 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
michael@0 376 shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
michael@0 377 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 378 gl.framebufferRenderbuffer(
michael@0 379 gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
michael@0 380 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
michael@0 381
michael@0 382 shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
michael@0 383 gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
michael@0 384 gl.framebufferRenderbuffer(
michael@0 385 gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, depthBuffer);
michael@0 386 gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
michael@0 387 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 388 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 389
michael@0 390 gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 32, 16);
michael@0 391 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
michael@0 392 gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
michael@0 393 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 394 gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
michael@0 395 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 32);
michael@0 396 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
michael@0 397 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
michael@0 398 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 399 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 400
michael@0 401 var tex = gl.createTexture();
michael@0 402 gl.bindTexture(gl.TEXTURE_2D, tex);
michael@0 403 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
michael@0 404 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
michael@0 405 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 406 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {
michael@0 407 return;
michael@0 408 }
michael@0 409
michael@0 410 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 32, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
michael@0 411 checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
michael@0 412 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
michael@0 413 checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
michael@0 414
michael@0 415 glErrorShouldBe(gl, gl.NO_ERROR);
michael@0 416 }
michael@0 417
michael@0 418 successfullyParsed = true;
michael@0 419 </script>
michael@0 420
michael@0 421 <script>finishTest();</script>
michael@0 422 </body>
michael@0 423 </html>

Mercurial Repository: The Tor Browser

Europalab SCM Repository Server

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