void (*release_tex_image)(Display * dpy, GLXDrawable drawable, int buffer);
void * (*get_proc_address)(const char *symbol);
int (*interop_query_device_info)(struct glx_context *ctx,
void (*release_tex_image)(Display * dpy, GLXDrawable drawable, int buffer);
void * (*get_proc_address)(const char *symbol);
int (*interop_query_device_info)(struct glx_context *ctx,