gl-draw-init ( world -- )

Vocabulary

ui.render

Inputs

world

a world

Outputs

None

Word description

Does some OpenGL setup that is required each time the world is to be redrawn.

Definition

USING: accessors kernel opengl opengl.gl ;

IN: ui.render

: gl-draw-init ( world -- )
    GL_SCISSOR_TEST glEnable
    GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA glBlendFunc
    init-matrices
    [ init-clip ] [ background-color>> gl-clear ] bi ;