only init the OpenGL context if we need it

Change-Id: Ia88a1720d204b9933f1476bd703b99180e45abde
Reviewed-on: https://gerrit.libreoffice.org/26023
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/include/vcl/openglwin.hxx b/include/vcl/openglwin.hxx
index 6b2e58dd5c40..cac81a6968ea 100644
--- a/include/vcl/openglwin.hxx
+++ b/include/vcl/openglwin.hxx
@@ -33,7 +33,7 @@ public:
 class VCL_DLLPUBLIC OpenGLWindow : public vcl::Window
 {
 public:
-                   OpenGLWindow(vcl::Window* pParent);
+                   OpenGLWindow(vcl::Window* pParent, bool bInit = true);
     virtual        ~OpenGLWindow();
     virtual void   dispose() override;
 
@@ -48,6 +48,10 @@ public:
     virtual void MouseMove( const MouseEvent& rMEvt ) override;
     virtual void Command( const CommandEvent& rCEvt ) override;
 
+    bool IsInitialized() const;
+
+    void Initialize();
+
 private:
     std::unique_ptr<OpenGLWindowImpl> mxImpl;
     IRenderer* mpRenderer;