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    WebGL2RenderingContext.getUniformBlockIndex()

    This is an experimental technology
    Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

    The WebGL2RenderingContext.getUniformBlockIndex() method of the WebGL 2 API retrieves the index of a uniform block within a WebGLProgram.

    SyntaxEdit

    GLuint gl.getUniformBlockIndex(program, uniformBlockName);

    Parameters

    program
    A WebGLProgram containing the uniform block.
    uniformName
    A DOMString specifying the name of the uniform block to whose index to retrieve.

    Return value

    A GLuint indicating the uniform block index.

    ExamplesEdit

    var blockIndex = gl.getUniformBlockIndex(program, "UBOData");

    SpecificationsEdit

    Specification Status Comment
    WebGL 2.0
    The definition of 'getUniformBlockIndex' in that specification.    		 Editor's Draft Initial definition for WebGL.
    OpenGL ES 3.0
    The definition of 'glGetUniformBlockIndex' in that specification.    		 Standard Man page of the (similar) OpenGL API.

    Browser compatibilityEdit

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support No support [2] Nightly build [1] No support No support No support

    [1] WebGL 2 is enabled by default in Firefox Nightly. To enable it in a release version of Firefox, set the preference webgl.enable-prototype-webgl2 to true in about:config.

    [2] To use an experimental implementation of WebGL 2 in Chrome, you have to start Chrome with the runtime flag --enable-unsafe-es3-apis.

    See alsoEdit

    Document Tags and Contributors

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     Contributors to this page: fscholz
     Last updated by: fscholz,