The color buffer size of this FBConfig must be as large as that of the deepest TrueColor , DirectColor , PseudoColor , or StaticColor visual supported on framebuffer level 0. An application is most effective when written to select the GLX FBConfig that most closely meeting its requirements. Creating GLX drawables with unnecessary buffers can result in reduced rendering performance and poor resource allocation. Parameters dpy Specifies the connection to the X server. Attribute Specifies the GLX FBConfig attribute to be returned.
Value Returns the requested value.
The glXChooseFBConfig subroutine, glXCreateNewContext subroutine. OpenGL Overview .