Set OpenGL context only when the parent window is visible.

10 years ago · 22c4e4d240
1 changed files with 3 additions and 1 deletions
--- a/common/gal/opengl/opengl_gal.cpp
+++ b/common/gal/opengl/opengl_gal.cpp
@ -302,7 +302,9 @@ void OPENGL_GAL::EndDrawing()

 void OPENGL_GAL::BeginUpdate()
 {
-    SetCurrent( *OPENGL_GAL::glContext );
+    if( IsShownOnScreen() )
+        SetCurrent( *OPENGL_GAL::glContext );
+
    cachedManager.Map();
 }