CVDisplayLinkSetCurrentCGDisplayFromOpenGLContext(_:_:_:)
Selects the display link most optimal for the current renderer of an OpenGL context.
Declaration
func CVDisplayLinkSetCurrentCGDisplayFromOpenGLContext(_ displayLink: CVDisplayLink, _ cglContext: CGLContextObj, _ cglPixelFormat: CGLPixelFormatObj) -> CVReturnParameters
- displayLink:
The display link whose current display is to be set.
- cglContext:
The OpenGL context to retrieve the current renderer from.
- cglPixelFormat:
The OpenGL pixel format used to create the passed-in OpenGL context.
Return Value
A Core Video result code. See Core Video Constants for possible values.
Discussion
This function chooses the display with the lowest refresh rate.