compressed-texture-format? ( object -- ? )

Vocabulary

gpu.textures

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the compressed-texture-format class.

Definition

USING: kernel ;

IN: gpu.textures

: compressed-texture-format? ( object -- ? )
    dup RGTC2-SIGNED?
    [ drop t ] [
        dup RGTC2?
        [ drop t ] [
            dup RGTC1-SIGNED?
            [ drop t ] [
                dup RGTC1?
                [ drop t ] [
                    dup LATC2-SIGNED?
                    [ drop t ]
                    [ dup LATC2? ~quotation~ ~quotation~ if ] if
                ] if
            ] if
        ] if
    ] if ;