content/canvas/test/webgl-conformance/conformance/glsl/functions/glsl-function-cos.html

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     1 <!--
     2 Copyright (c) 2011 The Chromium Authors. All rights reserved.
     3 Use of this source code is governed by a BSD-style license that can be
     4 found in the LICENSE file.
     5  -->
     6 <!DOCTYPE html>
     7 <html>
     8 <head>
     9 <meta charset="utf-8">
    10   <title>GLSL cos function test</title>
    11   <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
    12   <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/>
    13   <script src="../../../resources/js-test-pre.js"></script>
    14   <script src="../../resources/webgl-test.js"> </script>
    15   <script src="../../resources/webgl-test-utils.js"> </script>
    16   <script src="../../resources/glsl-generator.js"> </script>
    17 </head>
    18 <body>
    19 <div id="description"></div>
    20 <div id="console"></div>
    21 <script>
    23 var piConstants = [
    24   "const float kPI     = 3.14159265358979323846;",
    25   "const float kHalfPI = (kPI * 0.5);",
    26   "const float k2PI    = (kPI * 2.0);"
    27 ].join("\n");
    29 var kPI = Math.PI;
    30 var kHalfPI = Math.PI * 0.5;
    31 var k2PI = Math.PI * 2.0;
    32 var cos = Math.cos;  // shorthand
    34 GLSLGenerator.runReferenceImageTest({
    35   feature: "cos",
    36   args: "$(type) value",
    37   testFunc: "$(func)($(type))",
    38   gridRes: 8,
    39   tolerance: 3,
    40   extra: piConstants,
    41   tests: [
    42     {
    43       source: ["$(output) = vec4(",
    44                "    $(func)($(input).x * kHalfPI + kHalfPI),",
    45                "    $(func)($(input).y * kHalfPI),",
    46                "    0,",
    47                "    1);"].join("\n"),
    48       generator: function(x, y, z, w) {
    49 	return [ cos(x * kHalfPI + kHalfPI),
    50 		 cos(y * kHalfPI),
    51 		 0,
    52 		 1 ];
    53       },
    54     },
    55     {
    56       source: ["$(output) = vec4(",
    57 	       "    $(func)($(input).xy * vec2(kPI, k2PI)) * 0.5 + vec2(0.5, 0.5),",
    58 	       "    0, 1);"].join("\n"),
    59       generator: function(x, y, z, w) {
    60 	return [ cos(x * kPI) * 0.5 + 0.5,
    61 		 cos(y * k2PI) * 0.5 + 0.5,
    62 		 0,
    63 		 1 ];
    64       },
    65     },
    66     {
    67       // FIXME: for some reason, this test requires a higher tolerance when run in a vertex shader.
    68       source: ["$(output) = vec4(",
    69 	       "    $(func)($(input).xyz * vec3(kPI, k2PI, 4.0)) * ",
    70 	       "    0.5 + vec3(0.5, 0.5, 0.5),",
    71 	       "    1);"].join("\n"),
    72       generator: function(x, y, z, w) {
    73 	return [ cos(x * kPI) * 0.5 + 0.5,
    74 		 cos(y * k2PI) * 0.5 + 0.5,
    75 		 cos(z * 4.0) * 0.5 + 0.5,
    76 		 1 ];
    77       },
    78       tolerance: 7,
    79     },
    80     {
    81       source: ["$(output) = ",
    82 	       "    $(func)($(input) * vec4(k2PI, 4.0, kHalfPI, kPI)) *",
    83 	       "    0.5 + vec4(0.5, 0.5, 0.5, 1);",
    84 	      ].join("\n"),
    85       generator: function(x, y, z, w) {
    86 	return [ cos(x * k2PI) * 0.5 + 0.5,
    87 		 cos(y * 4.0) * 0.5 + 0.5,
    88 		 cos(z * kHalfPI) * 0.5 + 0.5,
    89 		 cos(w * kPI) * 0.5 + 1.0 ];
    90       },
    91     },
    92   ]
    93 });
    94 successfullyParsed = true;
    95 </script>
    96 </body>
    97 </html>

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