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Avoid crash in Fl_Gl_Window::make_current() (#1287)
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This commit is contained in:
Matthias Melcher
2025-10-31 20:37:24 +01:00
parent 1ba957eb60
commit 0ac7e427a1
1 changed files with 4 additions and 0 deletions
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4
src/Fl_Gl_Window.cxx
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@@ -118,6 +118,10 @@ int Fl_Gl_Window::mode(int m, const int *a) {
void Fl_Gl_Window::make_current() {
// puts("Fl_Gl_Window::make_current()");
// printf("make_current: context_=%p\n", context_);
// The following line prevents potential crashes when make_current() is
// called before show(). Applications should call show() before
// make_current() for proper initialization.
if (!shown()) return;
pGlWindowDriver->make_current_before();
if (!context_) {
mode_ &= ~NON_LOCAL_CONTEXT;