flush-gl-context ( handle -- )
Factor handbook » UI framework » Developing UI backends » UI backend window management

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Vocabulary
ui.backend

Inputs

handle

a backend-specific handle

Outputs
None

Word description
Ensures all GL rendering calls made to an OpenGL context finish rendering to the screen. This word is called automatically by the UI after drawing a world.

Definition

IN: ui.backend

GENERIC: flush-gl-context ( handle -- )

Methods

USING: accessors alien.c-types cocoa.messages cocoa.runtime
ui.backend ui.backend.cocoa ;

M: window-handle flush-gl-context
    view>> { id { id SEL } } "openGLContext" send
    { void { id SEL } } "flushBuffer" send ;


USING: accessors gdk2.gl.ffi gtk2.gl.ffi ui.backend
ui.backend.gtk2 ;

M: window-handle flush-gl-context
    drawable>> gtk_widget_get_gl_window
    gdk_gl_drawable_swap_buffers ;