geometry-shader-parameter? ( object -- ? )

Vocabulary

gpu.shaders.private

Inputs and outputs

object	an object
?	a boolean

Word description

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

Definition

USING: classes.tuple.private gpu.shaders kernel slots.private ;

IN: gpu.shaders.private

: geometry-shader-parameter? ( object -- ? )
    dup dup tuple?
    [ layout-of 7 slot \ geometry-shader-vertices-out eq? ]
    [ drop f ] if
    [ drop t ] [
        dup geometry-shader-output?
        [ drop t ] [ geometry-shader-input? ] if
    ] if ;