| Index: third_party/webgl/extensions/OES_standard_derivatives/index.html
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| -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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| - "http://www.w3.org/TR/html4/strict.dtd">
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| -<html lang="en">
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| -<head>
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| - <meta http-equiv="content-type" content="text/html; charset=utf-8">
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| - <title>WebGL OES_standard_derivatives Extension Specification</title>
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| - <link rel="stylesheet" type="text/css" href="../../resources/webgl-extension.css" />
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| - <link rel="stylesheet" type="text/css" href="../../resources/default.css" />
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| - <a href="http://khronos.org/"><img alt=Khronos height=60 src="../../resources/KhronosGroup-3D.png" width=220></a>
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| -
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| - <h1>WebGL OES_standard_derivatives Extension Specification</h1>
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| -
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| - <h2 class="no-toc">Name</h2>
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| - <p> OES_standard_derivatives </p>
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| -
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| - <h2 class="no-toc">Contact</h2>
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| - <p> <a href="https://www.khronos.org/webgl/public-mailing-list/">WebGL working group</a> (public_webgl 'at' khronos.org) </p>
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| -
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| - <h2 class="no-toc">Contributors</h2>
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| - <p> Members of the WebGL working group </p>
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| -
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| - <h2 class="no-toc">Version</h2>
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| - <p> Last modified date: January 13, 2010 <br>
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| - Revision: 1
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| - </p>
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| -
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| - <h2 class="no-toc">Number</h2>
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| - <p> WebGL extension #4 </p>
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| -
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| - <h2 class="no-toc">Dependencies</h2>
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| - <p> Written against the WebGL API 1.0 specification. </p>
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| -
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| - <h2 class="no-toc">Overview</h2>
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| - <p>
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| - This extension exposes the
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| - <a href="http://www.khronos.org/registry/gles/extensions/OES/OES_standard_derivatives.txt">OES_standard_derivatives</a>
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| - functionality to WebGL. There are no WebGL-specific behavioral changes. Consult the above
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| - extension for all documentation, issues, and new functions and enumerants.
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| - </p>
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| - <p>
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| - When this extension is enabled:
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| - <ul>
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| - <li> The <code>hint</code> entry point accepts <code>FRAGMENT_SHADER_DERIVATIVE_HINT_OES</code>
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| - as a target and the <code>getParameter</code> entry point accepts it as a pname.
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| - <li> The built-in functions <code>dFdx()</code>, <code>dFdy()</code>, and <code>fwidth()</code>
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| - are available in fragment shaders if the following directive is added to the shader:
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| -<pre>
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| -#extension GL_OES_standard_derivatives : enable
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| -</pre>
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| - <li> The following macro definition is available:
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| -<pre>
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| -#define GL_OES_standard_derivatives 1
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| -</pre>
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| - </ul>
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| - </p>
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| -
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| - <h2 class="no-toc">IDL</h2>
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| - <p>
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| -<pre class="idl">
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| -module webgl {
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| -
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| -interface OES_standard_derivatives {
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| - const GLenum FRAGMENT_SHADER_DERIVATIVE_HINT_OES = 0x8B8B;
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| -};
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| -
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| -};
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| -</pre>
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| - </p>
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| -
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| - <h2 class="no-toc">Revision History</h2>
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| - <p>
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| - Revision 1, 2010/01/13
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| - <ul>
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| - <li> Initial revision.
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| - </ul>
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| - </p>
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| -</body>
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| -</html>
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|
Chromium Code Reviews
Issue 9360034:
Remove everthing except conformance tests in the deps/third_party/webgl (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/