GLAPI EGLBoolean APIENTRY eglChooseModeMESA(EGLDisplay dpy, EGLScreenMESA screen, const EGLint *attrib_list, EGLModeMESA *modes, EGLint modes_size, EGLint *num_modes);
GLAPI EGLBoolean APIENTRY eglGetModesMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *modes, EGLint modes_size, EGLint *num_modes);
GLAPI EGLBoolean APIENTRY eglGetModeAttribMESA(EGLDisplay dpy, EGLModeMESA mode, EGLint attribute, EGLint *value);
-GLAPI EGLBoolean APIENTRY eglCopyContextMESA(EGLDisplay dpy, EGLContext source, EGLContext dest, unsigned long mask);
GLAPI EGLBoolean APIENTRY eglGetScreensMESA(EGLDisplay dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
GLAPI EGLSurface APIENTRY eglCreateScreenSurfaceMESA(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
GLAPI EGLBoolean APIENTRY eglShowSurfaceMESA(EGLDisplay dpy, EGLint screen, EGLSurface surface, EGLModeMESA mode);
#endif /* EGL_MESA_screen_surface */
+#ifndef EGL_MESA_copy_context
+#define EGL_MESA_copy_context 1
+GLAPI EGLBoolean APIENTRY eglCopyContextMESA(EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask);
-
-
+#endif /* EGL_MESA_copy_context */
#ifdef __cplusplus