vertex-shader? ( object -- ? )

Vocabulary

opengl.shaders

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the vertex-shader class.

Definition

USING: kernel ;

IN: opengl.shaders

: vertex-shader? ( object -- ? )
    dup gl-shader? [ (vertex-shader?) ] [ drop f ] if ;