Add a vtable of indirection to the winsys code

So that we can dynamically select what winsys backend to use at runtime
we need to have some indirection to how code accesses the winsys instead
of simply calling _cogl_winsys* functions that would collide if we
wanted to compile more than one backend into Cogl.

1 files changed, 9 insertions, 0 deletions

diff --git a/cogl/cogl.c b/cogl/cogl.c
index 4dbe4aeb..69ed6524 100644
--- a/cogl/cogl.c
+++ b/cogl/cogl.c
@@ -93,8 +93,17 @@ cogl_get_proc_address (const char* name)
 {
   void *address;
   static GModule *module = NULL;
+#ifdef COGL_HAS_FULL_WINSYS
+  const CoglWinsysVtable *winsys;
 
+  _COGL_GET_CONTEXT (ctx, NULL);
+
+  winsys = _cogl_context_get_winsys (ctx);
+
+  address = winsys->get_proc_address (name);
+#else
   address = _cogl_winsys_get_proc_address (name);
+#endif
   if (address)
     return address;