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    WebGL types

    The following types are used in WebGL interfaces.

    WebGL 1

    These types are used within a WebGLRenderingContext.

    Type Web IDL type Description
    GLenum unsigned long Used for enums. See also the list of constants.
    GLboolean boolean A Boolean.
    GLbitfield unsigned long A bit field that stores multiple, logical bits. Used for example in WebGLRenderingContext.clear().
    GLbyte byte 8-bit twos complement signed integer.
    GLshort short 16-bit twos complement signed integer.
    GLint long 32-bit twos complement signed integer.
    GLsizei long Used for sizes (e.g. width and height of the drawing buffer).
    GLintptr long long Special type for pointer arithmetic.
    GLsizeiptr long long Special type for pointer arithmetic.
    GLubyte octet 8-bit twos complement unsigned integer.
    GLushort unsigned short 16-bit twos complement unsigned integer.
    GLuint unsigned long 32-bit twos complement unsigned integer.
    GLfloat unrestricted float 32-bit IEEE floating point number.
    GLclampf unrestricted float Clamped 32-bit IEEE floating point number.

    WebGL 2

    These types are used within a WebGL2RenderingContext. All WebGL 1 types are used as well.

    Type Web IDL type Description
    GLint64 long long Signed 64-bit integer number.

    WebGL extensions

    These types are used within WebGL extensions.

    Type Web IDL type Description
    GLuint64EXT long long Unsigned 64-bit integer number.

    Specifications

    Specification Status Comment
    WebGL 1.0
    The definition of 'Types' in that specification.    		 Recommendation Initial definition
    WebGL 2.0
    The definition of 'Types' in that specification.    		 Editor's Draft Defines additional types.
    EXT_disjoint_timer_query
    The definition of 'GLuint64EXT' in that specification.    		 Working Draft Adds GLuint64EXT

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 9 4.0 (2.0) 11 12 5.1
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support ? 25 (Yes) ? 12 8.1

    See also

    Document Tags and Contributors

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