glretrace: Fix Mac and Windows builds due to lack of copySubBuffer method.

Instead of forcing each base class to implement copySubBuffer method,
simply provide a default implementation in the base class.

1 files changed, 0 insertions, 4 deletions

diff --git a/retrace/glws_egl_xlib.cpp b/retrace/glws_egl_xlib.cpp
index 8f6d4fe8..6bfc40d6 100644
--- a/retrace/glws_egl_xlib.cpp
+++ b/retrace/glws_egl_xlib.cpp
@@ -244,10 +244,6 @@ public:
         Drawable::show();
     }
 
-    void copySubBuffer(int x, int y, int width, int height) {
-        std::cerr << "glws_egl_xlib: Warning: copySubBuffer Not yet implemented\n";
-    }
-
     void swapBuffers(void) {
         eglBindAPI(api);
         eglSwapBuffers(eglDisplay, surface);