Add epoxy_set_resolver_failure_handler()

Signed-off-by: Adam Jackson <ajax@redhat.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/epoxy/gl.h b/include/epoxy/gl.h
index 88b9a15..ce4763f 100644
--- a/include/epoxy/gl.h
+++ b/include/epoxy/gl.h
@@ -92,6 +92,20 @@ EPOXY_PUBLIC bool epoxy_has_gl_extension(const char *extension);
 EPOXY_PUBLIC bool epoxy_is_desktop_gl(void);
 EPOXY_PUBLIC int epoxy_gl_version(void);
 
+/*
+ * the type of the stub function that the failure handler must return;
+ * this function will be called on subsequent calls to the same bogus
+ * function name
+ */
+typedef void (*epoxy_resolver_stub_t)(void);
+
+/* the type of the failure handler itself */
+typedef epoxy_resolver_stub_t
+(*epoxy_resolver_failure_handler_t)(const char *name);
+
+EPOXY_PUBLIC epoxy_resolver_failure_handler_t
+epoxy_set_resolver_failure_handler(epoxy_resolver_failure_handler_t handler);
+
 EPOXY_END_DECLS
 
 #endif /* EPOXY_GL_H */