dom/canvas/test/webgl-conf/checkout/conformance/state/fb-attach-implicit-target-assignment.html

   1 <!--
   2 Copyright (c) 2019 The Khronos Group Inc.
   3 Use of this source code is governed by an MIT-style license that can be
   4 found in the LICENSE.txt file.
   5 -->
   6
   7 <!DOCTYPE html>
   8 <html>
   9 <head>
  10 <meta charset='utf-8'>
  11 <title>WebGL gl calls Conformance Tests</title>
  12 <link rel='stylesheet' href='../../resources/js-test-style.css'/>
  13 <script src='../../js/js-test-pre.js'></script>
  14 <script src='../../js/webgl-test-utils.js'></script>
  15 </head>
  16 <body>
  17 <div id='description'></div>
  18 <div id='console'></div>
  19 <canvas id='canvas' width='2' height='2'> </canvas>
  20 <script>
  21 'use strict';
  22 description('Test implicit target assignment during FB attachment');
  23
  24 const wtu = WebGLTestUtils;
  25 const gl = wtu.create3DContext('canvas');
  26 let fb, rb, tex;
  27
  28 (() => {
  29     if (!gl) {
  30         testFailed('context does not exist');
  31         return;
  32     }
  33
  34     fb = gl.createFramebuffer();
  35     gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
  36
  37     wtu.glErrorShouldBe(gl, 0, 'No errors');
  38
  39     // -
  40
  41     debug('');
  42     debug('framebufferRenderbuffer');
  43
  44     rb = gl.createRenderbuffer();
  45     shouldBe('gl.isRenderbuffer(rb)', 'false');
  46     gl.bindRenderbuffer(gl.RENDERBUFFER, rb);
  47     shouldBe('gl.isRenderbuffer(rb)', 'true');
  48
  49     rb = gl.createRenderbuffer();
  50     shouldBe('gl.isRenderbuffer(rb)', 'false');
  51     gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb);
  52     wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, 'framebufferRenderbuffer must be preceeded by some bindRenderbuffer');
  53     shouldBe('gl.isRenderbuffer(rb)', 'false');
  54
  55     wtu.glErrorShouldBe(gl, 0, 'No errors');
  56
  57     // -
  58
  59     debug('');
  60     debug('framebufferTexture2D');
  61
  62     tex = gl.createTexture();
  63     shouldBe('gl.isTexture(tex)', 'false');
  64     gl.bindTexture(gl.TEXTURE_2D, tex);
  65     shouldBe('gl.isTexture(tex)', 'true');
  66
  67     tex = gl.createTexture();
  68     shouldBe('gl.isTexture(tex)', 'false');
  69     gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
  70     // https://bugzilla.mozilla.org/show_bug.cgi?id=1636524 :
  71     wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, 'framebufferTexture2D must be preceeded by some bindTexture');
  72     shouldBe('gl.isTexture(tex)', 'false');
  73
  74     gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex);
  75     wtu.glErrorShouldBe(gl, 0, 'No errors after bindTexture');
  76
  77     tex = gl.createTexture();
  78     shouldBe('gl.isTexture(tex)', 'false');
  79     gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_CUBE_MAP_POSITIVE_X, tex, 0);
  80     wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, 'framebufferTexture2D must be preceeded by some bindTexture');
  81     shouldBe('gl.isTexture(tex)', 'false');
  82
  83     gl.bindTexture(gl.TEXTURE_2D, tex);
  84     wtu.glErrorShouldBe(gl, 0, 'No errors after bindTexture');
  85 })();
  86
  87 debug('');
  88 var successfullyParsed = true;
  89
  90 </script>
  91 <script src='../../js/js-test-post.js'></script>
  92
  93 </body>
  94 </html>