+struct intel_screen *intel_screen_create(int fd);
+void intel_screen_destroy(struct intel_screen *screen);
+
+struct brw_context *intel_context_create(struct intel_screen *screen);
+void intel_context_destroy(struct brw_context *brw);
+
+void
+brw_initialize_context_constants(struct brw_context *brw);
+