internal/graphicsdriver/opengl/gl/package_notwindows.go
func Viewport(x int32, y int32, width int32, height int32) {
	C.glowViewport(gpViewport, (C.GLint)(x), (C.GLint)(y), (C.GLsizei)(width), (C.GLsizei)(height))
}
func Viewport(x int32, y int32, width int32, height int32) {
	C.glowViewport(gpViewport, (C.GLint)(x), (C.GLint)(y), (C.GLsizei)(width), (C.GLsizei)(height))
}
func Viewport ( x int32 , y int32 , width int32 , height int32 ) { C . glowViewport ( gpViewport , ( C . GLint ) ( x ) , ( C . GLint ) ( y ) , ( C . GLsizei ) ( width ) , ( C . GLsizei ) ( height ) ) }
// set the viewport
set the viewport