Function glEdgeFlagPointer

  • glEdgeFlagPointer specifies the location and data format of an array of boolean edge flags to use when rendering. stride specifies the byte stride from one edge flag to the next, allowing vertices and attributes to be packed into a single array or stored in separate arrays.

    If a non-zero named buffer object is bound to the GL_ARRAY_BUFFER target (see glBindBuffer) while an edge flag array is specified, pointer is treated as a byte offset into the buffer object's data store. Also, the buffer object binding (GL_ARRAY_BUFFER_BINDING) is saved as edge flag vertex array client-side state (GL_EDGE_FLAG_ARRAY_BUFFER_BINDING).

    When an edge flag array is specified, stride and pointer are saved as client-side state, in addition to the current vertex array buffer object binding.

    To enable and disable the edge flag array, call glEnableClientState and glDisableClientState with the argument GL_EDGE_FLAG_ARRAY. If enabled, the edge flag array is used when glDrawArrays, glMultiDrawArrays, glDrawElements, glMultiDrawElements, glDrawRangeElements, or glArrayElement is called.

    Parameters

    • stride: number

      Specifies the byte offset between consecutive edge flags. If stride is 0, the edge flags are understood to be tightly packed in the array. The initial value is 0.

    • pointer: void

      Specifies a pointer to the first edge flag in the array. The initial value is 0.

    Returns void

    Summary

    define an array of edge flags

    See

    glEdgeFlagPointer

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