EGL_MESA_screen_surface version 7

[Jon Smirl]

const char *eglQueryModeStringMESA(EGLDisplay dpy, EGLModeMESA mode);

Should this be changed to:
int eglQueryModeStringMESA(EGLDisplay dpy, EGLModeMESA mode, const char **name);
can return:
EGL_BAD_DISPLAY
EGL_BAD_MODE

Should all functions be changed to var params with int error returns?

-- 
Jon Smirl
jonsmirl at gmail.com