1a3dc72af8
Previously, with aContext == nullptr, the mutex would lock, but not unlock.
Then it got deadlocked inside OPENGL_GAL dtor.
(cherry picked from commit
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.. | ||
cairo | ||
opengl | ||
shaders | ||
CMakeLists.txt | ||
color4d.cpp | ||
cursors.cpp | ||
dpi_scaling.cpp | ||
gal_display_options.cpp | ||
graphics_abstraction_layer.cpp | ||
hidpi_gl_3D_canvas.cpp | ||
hidpi_gl_canvas.cpp |