dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-debug-renderer-info.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 WebGL_debug_renderer_info 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 <canvas id="canvas" style="width: 1px; height: 1px;"> </canvas>
  19 <div id="console"></div>
  20 <!-- Shaders for testing standard derivatives -->
  21
  22 <script>
  23 "use strict";
  24 description("This test verifies the functionality of the WEBGL_debug_renderer_info extension, if it is available.");
  25
  26 debug("");
  27
  28 var wtu = WebGLTestUtils;
  29 var gl = wtu.create3DContext("canvas");
  30 var ext = null;
  31 var vao = null;
  32
  33 if (!gl) {
  34     testFailed("WebGL context does not exist");
  35 } else {
  36     testPassed("WebGL context exists");
  37
  38     // Run tests with extension disabled
  39     runTestDisabled();
  40
  41     // Query the extension and store globally so shouldBe can access it
  42     ext = gl.getExtension("WEBGL_debug_renderer_info");
  43     if (!ext) {
  44         testPassed("No WEBGL_debug_renderer_info support -- this is legal");
  45
  46         runSupportedTest(false);
  47     } else {
  48         testPassed("Successfully enabled WEBGL_debug_renderer_info extension");
  49
  50         runSupportedTest(true);
  51         runTestEnabled();
  52     }
  53 }
  54
  55 function runSupportedTest(extensionEnabled) {
  56     var supported = gl.getSupportedExtensions();
  57     if (supported.indexOf("WEBGL_debug_renderer_info") >= 0) {
  58         if (extensionEnabled) {
  59             testPassed("WEBGL_debug_renderer_info listed as supported and getExtension succeeded");
  60         } else {
  61             testFailed("WEBGL_debug_renderer_info listed as supported but getExtension failed");
  62         }
  63     } else {
  64         if (extensionEnabled) {
  65             testFailed("WEBGL_debug_renderer_info not listed as supported but getExtension succeeded");
  66         } else {
  67             testPassed("WEBGL_debug_renderer_info not listed as supported and getExtension failed -- this is legal");
  68         }
  69     }
  70 }
  71
  72 function runTestDisabled() {
  73     debug("Testing enums with extension disabled");
  74
  75     // Use the constants directly as we don't have the extension
  76
  77     var UNMASKED_VENDOR_WEBGL = 0x9245;
  78     gl.getParameter(UNMASKED_VENDOR_WEBGL);
  79     wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "UNMASKED_VENDOR_WEBGL should not be queryable if extension is disabled");
  80
  81     var UNMASKED_RENDERER_WEBGL = 0x9246;
  82     gl.getParameter(UNMASKED_RENDERER_WEBGL);
  83     wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "UNMASKED_RENDERER_WEBGL should not be queryable if extension is disabled");
  84 }
  85
  86 function runTestEnabled() {
  87     debug("Testing enums with extension enabled");
  88
  89     shouldBe("ext.UNMASKED_VENDOR_WEBGL", "0x9245");
  90     gl.getParameter(ext.UNMASKED_VENDOR_WEBGL);
  91     wtu.glErrorShouldBe(gl, gl.NO_ERROR, "UNMASKED_VENDOR_WEBGL query should succeed if extension is enable");
  92
  93     shouldBe("ext.UNMASKED_RENDERER_WEBGL", "0x9246");
  94     gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
  95     wtu.glErrorShouldBe(gl, gl.NO_ERROR, "UNMASKED_RENDERER_WEBGL query should succeed if extension is enable");
  96 }
  97
  98 debug("");
  99 var successfullyParsed = true;
 100 </script>
 101 <script src="../../js/js-test-post.js"></script>
 102
 103 </body>
 104 </html>