extension.xml - mozsearch

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<?xml version="1.0" encoding="UTF-8"?>

<rejected href="rejected/OES_depth24/">

  <name>OES_depth24</name>

  <contact> <a href="https://www.khronos.org/webgl/public-mailing-list/">WebGL

  working group</a> (public_webgl 'at' khronos.org) </contact>

  <contributors>

    <contributor>Florian Boesch (pyalot 'at' gmail.com)</contributor>

    <contributor>Members of the WebGL working group</contributor>

  </contributors>

  <number>NN</number>

  <depends>

    <api version="1.0"/>

    <core version="2.0" />

  </depends>

  <overview>

    <mirrors href="https://www.khronos.org/registry/gles/extensions/OES/OES_depth24.txt"

             name="OES_depth24">

    </mirrors>

    <features>

      <feature>

        Allows 24-bit depth components as a valid render buffer storage format.

      </feature>

    </features>

  </overview>

  <idl xml:space="preserve">

[NoInterfaceObject]

interface OES_depth24 {

  const GLenum DEPTH_COMPONENT24_OES = 0x81A6;

};

  </idl>

  <samplecode xml:space="preserve">

    <pre>

        var extension = gl.getExtension('OES_depth24');

        if(extension !=== null){

            var depth = gl.createRenderbuffer();

            gl.bindRenderbuffer(gl.RENDERBUFFER, depth);

            gl.renderbufferStorage(gl.RENDERBUFFER, extension.DEPTH_COMPONENT24_OES, 128, 128);

            gl.bindRenderbuffer(gl.RENDERBUFFER, null);

            var fbo = gl.createFramebuffer();

            gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);

            gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, depth);

            var fboStatus = gl.checkFramebufferStatus(gl.FRAMEBUFFER);

            console.assert(fboStatus == gl.FRAMEBUFFER_COMPLETE, 'Framebuffer is not complete');

            gl.bindFramebuffer(gl.FRAMEBUFFER, null);

            console.assert(gl.getError() == gl.NO_ERROR, 'A GL error occured');

    </pre>

  </samplecode>

  <history>

    <revision date="2015/01/26">

      <change>Initial revision.</change>

    </revision>

    <revision date="2015/02/05">

      <change>Moved to rejected because WEBGL_depth_texture can be used as a workaround for 24-bit depth for FBOs.</change>

    </revision>

  </history>

</rejected>