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-rw-r--r--lib/wx/c_src/wxe_gl.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/wx/c_src/wxe_gl.cpp b/lib/wx/c_src/wxe_gl.cpp
index a9feb23831..26b45d219e 100644
--- a/lib/wx/c_src/wxe_gl.cpp
+++ b/lib/wx/c_src/wxe_gl.cpp
@@ -135,8 +135,12 @@ void deleteActiveGL(wxGLCanvas *canvas)
void gl_dispatch(int op, char *bp,ErlDrvTermData caller,WXEBinRef *bins[]){
if(caller != gl_active) {
wxGLCanvas * current = glc[caller];
- if(current) { gl_active = caller; current->SetCurrent();}
- else {
+ if(current) {
+ if(current != glc[gl_active]) {
+ gl_active = caller;
+ current->SetCurrent();
+ }
+ } else {
ErlDrvTermData rt[] = // Error msg
{ERL_DRV_ATOM, driver_mk_atom((char *) "_egl_error_"),
ERL_DRV_INT, (ErlDrvTermData) op,