calling SDL_CreateWindow(..., flags=SDL_WINDOW_OPENGL): this will ultimately lead to an "indirect call to null". I have a working patch for SDL2 (Note: in SDL3, the handling of EGL/emscripten was ...

Creates an overlapped, pop-up, or child window. It specifies the window class, window title, window style, and (optionally) the initial position and size of the window. The function also specifies the ...