commit bfba62a8a29f4dd2db3751778ba2a9aef86107a4
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Fri Sep 23 18:21:29 2022 +0200
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Fri Sep 23 18:21:29 2022 +0200

    GL3 for macOS platform: allow creation of GL1 and GL3 contexts by an app.

 src/Fl_cocoa.mm | 1 +
 1 file changed, 1 insertion(+)

diff --git src/Fl_cocoa.mm src/Fl_cocoa.mm
index 8b5a705..b7b7d22 100644
--- src/Fl_cocoa.mm
+++ src/Fl_cocoa.mm
@@ -2923,6 +2923,7 @@ NSOpenGLContext* Fl_Cocoa_Window_Driver::create_GLcontext_for_window(NSOpenGLPix
                                               NSOpenGLContext *shared_ctx, Fl_Window *window)
 {
   NSOpenGLContext *context = [[NSOpenGLContext alloc] initWithFormat:pixelformat shareContext:shared_ctx];
+  if (shared_ctx && !context) context = [[NSOpenGLContext alloc] initWithFormat:pixelformat shareContext:nil];
   if (context) {
     FLView *view = (FLView*)[fl_xid(window) contentView];
     if (fl_mac_os_version >= 100700) {