The Tor Browser: content/canvas/test/webgl-conformance/conformance/misc/object-deletion-behaviour.html@6474c204b198

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

     1 <!--

     2 Copyright (c) 2011 The Chromium Authors.

     3 Copyright (c) 2011 Mozilla Foundation.

     5 All rights reserved.

     6 Use of this source code is governed by a BSD-style license that can be

     7 found in the LICENSE file.

     8  -->

     9 <!DOCTYPE html>

    10 <html>

    11 <head>

    12 <meta charset="utf-8">

    13 <link rel="stylesheet" href="../../resources/js-test-style.css"/>

    14 <script src="../../resources/js-test-pre.js"></script>

    15 <script src="../resources/webgl-test.js"></script>

    16 <script src="../resources/webgl-test-utils.js"></script>

    17 </head>

    18 <body>

    19 <div id="description"></div>

    20 <div id="console"></div>

    22 <script>

    23 description("Tests deletion behavior for texture, renderbuffer, shader, and program");

    25 var wtu = WebGLTestUtils;

    26 var gl = wtu.create3DContext();

    27 var shouldGenerateGLError = wtu.shouldGenerateGLError;

    29 debug("");

    30 debug("shader and program deletion");

    32 var vertexShader = wtu.loadStandardVertexShader(gl);

    33 assertMsg(vertexShader, "vertex shader loaded");

    34 var fragmentShader = wtu.loadStandardFragmentShader(gl);

    35 assertMsg(fragmentShader, "fragment shader loaded");

    37 var program = gl.createProgram();

    38 shouldBeNonNull("program");

    39 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, vertexShader)");

    40 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, fragmentShader)");

    41 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.linkProgram(program)");

    42 shouldBeTrue("gl.getProgramParameter(program, gl.LINK_STATUS)");

    43 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(program)");

    44 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(vertexShader)");

    45 shouldBeTrue("gl.isShader(vertexShader)");

    46 shouldBeTrue("gl.getShaderParameter(vertexShader, gl.DELETE_STATUS)");

    47 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.detachShader(program, vertexShader)");

    48 shouldBeFalse("gl.isShader(vertexShader)");

    49 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(fragmentShader)");

    50 shouldBeTrue("gl.isShader(fragmentShader)");

    51 shouldBeTrue("gl.getShaderParameter(fragmentShader, gl.DELETE_STATUS)");

    52 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteProgram(program)");

    53 shouldBeTrue("gl.isProgram(program)");

    54 shouldBeTrue("gl.getProgramParameter(program, gl.DELETE_STATUS)");

    55 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(null)");

    56 shouldBeFalse("gl.isProgram(program)");

    57 shouldBeFalse("gl.isShader(fragmentShader)");

    59 debug("");

    60 debug("texture deletion");

    62 var fbo = gl.createFramebuffer(), fbo2 = gl.createFramebuffer(), fbo3 = gl.createFramebuffer();

    63 shouldBeNonNull("fbo");

    64 shouldBeNonNull("fbo2");

    65 shouldBeNonNull("fbo3");

    66 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

    68 var tex = gl.createTexture();

    69 shouldBeNonNull("tex");

    70 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");

    71 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "tex");

    72 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");

    73 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");

    74 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.TEXTURE");

    75 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");

    76 // Deleting a texture bound to the currently-bound fbo is the same as

    77 // detaching the textue from fbo first, then delete the texture.

    78 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");

    79 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");

    80 shouldBeFalse("gl.isTexture(tex)");

    81 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");

    82 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");

    83 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");

    85 var texCubeMap = gl.createTexture();

    86 shouldBeNonNull("texCubeMap");

    87 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCubeMap)");

    88 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)", "texCubeMap");

    89 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(texCubeMap)");

    90 shouldBeFalse("gl.isTexture(texCubeMap)");

    91 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");

    92 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCubeMap)");

    93 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");

    95 var t = gl.createTexture();

    96 shouldBeNonNull("t");

    97 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");

    98 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)");

    99 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t)");

   100 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");

   101 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)");

   103 var t2 = gl.createTexture();

   104 shouldBeNonNull("t2");

   105 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");

   106 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");

   107 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");

   108 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE1)");

   109 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");

   110 shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");

   111 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t2)");

   112 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");

   113 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");

   114 shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");

   116 debug("");

   117 debug("renderbuffer deletion");

   119 var rbo = gl.createRenderbuffer(), rbo2 = gl.createRenderbuffer(), rbo3 = gl.createRenderbuffer();

   120 shouldBeNonNull("rbo");

   121 shouldBeNonNull("rbo2");

   122 shouldBeNonNull("rbo3");

   123 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");

   124 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo");

   125 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");

   126 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");

   127 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");

   128 // Deleting a renderbuffer bound to the currently-bound fbo is the same as

   129 // detaching the renderbuffer from fbo first, then delete the renderbuffer.

   130 shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");

   131 shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");

   132 shouldBeFalse("gl.isRenderbuffer(rbo)");

   133 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");

   134 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");

   135 shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");

   136 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo2)");

   137 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");

   138 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo3)");

   139 shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");

   141 debug("");

   142 debug("using deleted renderbuffer");

   143 rbo = gl.createRenderbuffer();

   144 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");

   145 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");

   146 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   147 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");

   148 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {

   149   // make backbuffer red

   150   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   151   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");

   152   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   153   // make fbo green

   154   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   155   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");

   156   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   157   // Bind backbuffer.

   158   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   159   // delete renderbuffer. It should still be attached to fbo though.

   160   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");

   161   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');

   162   // Use fbo that has deleted rbo.

   163   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   164   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');

   165   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");

   166   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   167   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');

   168   // Bind backbuffer.

   169   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   170   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');

   171 }

   173 debug("");

   174 debug("renderbuffer attached twice to same framebuffer");

   175 rbo = gl.createRenderbuffer();

   176 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");

   177 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");

   178 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   179 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");

   180 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {

   181   rbo2 = gl.createRenderbuffer();

   182   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo2)");

   183   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");

   184   // attach rbo2 at two attachment points incompatible with it

   185   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, rbo2)");

   186   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.RENDERBUFFER, rbo2)");

   187   shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");

   188   shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");

   189   // fbo can't be complete as rbo2 is attached at incompatible attachment points

   190   shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   191   // now we delete rbo2, which detaches it from the two attachment points where it currently is attached

   192   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo2)");

   193   shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");

   194   shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");

   195   // we should now be in the same state as before with only rbo attached, so fbo should be complete again

   196   shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   197   shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");

   198 }

   199 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");

   200 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   204 debug("");

   205 debug("using deleted texture");

   206 tex = gl.createTexture();

   207 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");

   208 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   209 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");

   210 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");

   211 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {

   212   // make fbo green

   213   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   214   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");

   215   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   216   // Bind backbuffer.

   217   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   218   // delete texture. It should still be attached to fbo though.

   219   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");

   220   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [255,0,0,255], "backbuffer should be red")');

   221   // Use fbo that has deleted texture.

   222   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   223   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,255,0,255], "fbo should be green")');

   224   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");

   225   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   226   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,0,255,255], "fbo should be blue")');

   227   // Bind backbuffer.

   228   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   229   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');

   230 }

   232 debug("");

   233 debug("using deleted renderbuffer");

   234 rbo = gl.createRenderbuffer();

   235 shouldBeNonNull("rbo");

   236 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");

   237 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");

   238 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   239 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");

   240 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {

   241   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");

   242   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");

   243   shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   244   // make backbuffer red

   245   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   246   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");

   247   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   248   // make fbo green

   249   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   250   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");

   251   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   252   // delete renderbuffer. It should still be attached to fbo2 though.

   253   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");

   254   // fbo has no attachments

   255   shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   256   // Use fbo2 that has deleted rbo.

   257   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");

   258   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');

   259   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");

   260   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   261   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');

   262   shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");

   264   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   265   shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");

   266   shouldGenerateGLError(gl, gl.NONE, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)");

   267   shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   268   // Bind backbuffer.

   269   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   270   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');

   271 }

   273 debug("");

   274 debug("using deleted texture");

   275 tex = gl.createTexture();

   276 shouldBeNonNull("tex");

   277 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");

   278 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   279 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");

   280 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");

   281 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {

   282   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");

   283   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");

   284   // make fbo green

   285   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   286   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");

   287   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   288   // delete texture. It should still be attached to fbo2 though.

   289   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");

   290   // fbo has no attachments

   291   shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   292   // Use fbo that has deleted texture.

   293   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");

   294   shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   295   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,255,0,255], "fbo should be green")');

   296   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");

   297   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   298   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,0,255,255], "fbo should be blue")');

   299   shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");

   301   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   302   shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");

   303   shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");

   304   // Bind backbuffer.

   305   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   306   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');

   307 }

   309 debug("");

   310 debug("buffer deletion");

   312 var buffer = gl.createBuffer();

   313 shouldBeNonNull("buffer");

   314 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)");

   315 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer");

   316 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer)");

   317 shouldBeFalse("gl.isBuffer(buffer)");

   318 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");

   319 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)");

   320 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");

   322 var buffer2 = gl.createBuffer();

   323 shouldBeNonNull("buffer2");

   324 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)");

   325 shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer2");

   326 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, null)");

   327 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");

   328 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer2)");

   329 shouldBeFalse("gl.isBuffer(buffer2)");

   330 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)");

   331 shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");

   333 var bufferElement = gl.createBuffer();

   334 shouldBeNonNull("bufferElement");

   335 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, bufferElement)");

   336 shouldBe("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)", "bufferElement");

   337 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferElement)");

   338 shouldBeFalse("gl.isBuffer(bufferElement)");

   339 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");

   340 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, bufferElement)");

   341 shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");

   343 var b = gl.createBuffer();

   344 shouldBeNonNull("b");

   345 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");

   346 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW)");

   347 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b)");

   348 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");

   349 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW)");

   351 var b1 = gl.createBuffer();

   352 shouldBeNonNull("b1");

   353 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b1);");

   354 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(1);");

   355 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(1, 4, gl.FLOAT, false, 0, 0);");

   356 var b2 = gl.createBuffer();

   357 shouldBeNonNull("b2");

   358 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b2);");

   359 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(2);");

   360 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(2, 4, gl.FLOAT, false, 0, 0);");

   361 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(3);");

   362 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(3, 4, gl.FLOAT, false, 0, 0);");

   363 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");

   364 shouldBe("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");

   365 shouldBe("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");

   366 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b2);");

   367 shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");

   368 shouldBeNull("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");

   369 shouldBeNull("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");

   370 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b1);");

   371 shouldBeNull("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");

   373 debug("");

   374 debug("framebuffer deletion");

   376 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   377 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo");

   378 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");

   379 shouldBeFalse("gl.isFramebuffer(fbo)");

   380 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");

   381 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   382 shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");

   383 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");

   384 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");

   385 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo3)");

   386 shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");

   388 fbo = gl.createFramebuffer();

   389 rbo = gl.createRenderbuffer();

   390 shouldBeNonNull("fbo");

   391 shouldBeNonNull("rbo");

   392 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   393 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");

   394 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");

   395 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");

   396 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {

   397   // set backbuffer to red

   398   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   399   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");

   400   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   401   // set framebuffer to green

   402   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");

   403   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");

   404   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   405   // check framebuffer

   406   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');

   407   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 16, 16, 1, 1, [0,0,0,0], "outside fbo should be black")');

   408   // delete framebuffer. because this was the bound fbo the backbuffer should be active now

   409   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");

   410   // check backbuffer

   411   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150, [255,0,0,255], "backbuffer should be red")');

   412   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 300, 0, 300, 300, [0,0,0,0], "outside backbuffer should be black")');

   413   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 150, 300, 300, [0,0,0,0], "outside backbuffer should be black")');

   414   // check drawing to backbuffer

   415   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");

   416   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");

   417   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150, [0,255,0,255], "fbo should be green")');

   418   shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");

   419   // check again because many buggy implementations will have bound to the true backbuffer on deleteFramebuffer.

   420   shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150, [0,255,0,255], "fbo should be green")');

   421 }

   423 successfullyParsed = true;

   424 </script>

   426 <script>finishTest();</script>

   427 </body>

   428 </html>

The Tor Browser / file revision

content/canvas/test/webgl-conformance/conformance/misc/object-deletion-behaviour.html@6474c204b198

content/canvas/test/webgl-conformance/conformance/misc/object-deletion-behaviour.html