Fix build, add puglBackendEnter

Signed-off-by: falkTX <falktx@falktx.com>

dgl/src/WindowPrivateData.cpp

@@ -156,7 +156,7 @@ void Window::PrivateData::init(const uint width, const uint height, const bool r
 
     // FIXME this is bad
     puglRealize(view);
-    puglX11GlEnter(view, NULL);
+    puglBackendEnter(view);
 }
 
 // -----------------------------------------------------------------------

dgl/src/pugl.cpp

@@ -93,6 +93,14 @@ const char* puglGetWindowTitle(const PuglView* view)
     return view->title;
 }
 
+// --------------------------------------------------------------------------------------------------------------------
+// expose backend enter
+
+void puglBackendEnter(PuglView* view)
+{
+    view->backend->enter(view, NULL);
+}
+
 // --------------------------------------------------------------------------------------------------------------------
 // set window size without changing frame x/y position
 

dgl/src/pugl.hpp

@@ -37,6 +37,10 @@ PUGL_BEGIN_DECLS
 PUGL_API const char*
 puglGetWindowTitle(const PuglView* view);
 
+// expose backend enter
+PUGL_API void
+puglBackendEnter(PuglView* view);
+
 // set window size without changing frame x/y position
 PUGL_API PuglStatus
 puglSetWindowSize(PuglView* view, unsigned int width, unsigned int height);