Your application is also able to annotate GL objects with human-readable names and insert its own debugging messages into the event stream. when some important state change has occurred in the driver that you might want to know about.Ĭatching GL errors with this method is much easier than by using glGetError() error checking.when (based on your usage) the GL driver has a performance tip to offer for improving your app's performance, or.when your app is using a slow path in the GL driver,.when a GL error has occurred (and to provide extended information about why that error occurred),.For instance, this allows the GL driver to notify your application: In a nutshell, it allows your application to be notified via a callback function when "interesting events" occur. Ancestor GL extensions are available for older OpenGL implementations. ![]() It is a core feature of GL 4.3 (described specifically in KHR_debug). Debug Output is an OpenGL feature that makes debugging and optimizing OpenGL applications easier.
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