tess-begin ( -- callback )

Vocabulary

euler.b-rep.triangulation.private

Inputs

None

Outputs

callback

an object

Definition

USING: kernel locals.backend opengl.gl opengl.glu ;

IN: euler.b-rep.triangulation.private

: tess-begin ( -- callback )
    [
        2 load-locals -1 get-local GL_TRIANGLES =
        [ "unexpected primitive type" throw ] unless
        2 drop-locals
    ] GLUtessBeginDataCallback ;