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make window + GL context creation more robust in the presence of weird graphics drivers

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fgenesis 2025-03-04 04:04:14 +01:00
parent 59706456ce
commit c2b72fd9dd
1 changed files with 9 additions and 7 deletions
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16
BBGE/Window_SDL2.cpp
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@ -66,9 +66,7 @@ void Window::_open(unsigned w, unsigned h, bool full, unsigned bpp, bool vsync,
# endif
SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2 );
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1 );
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, 0 );
SDL_SetHint("SDL_VIDEO_HIGHDPI_DISABLED", "1");
Uint32 flags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE;
@ -93,12 +91,16 @@ void Window::_open(unsigned w, unsigned h, bool full, unsigned bpp, bool vsync,
}
}
#ifdef _DEBUG
//SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
#endif
int pos = full
? SDL_WINDOWPOS_UNDEFINED_DISPLAY(display)
: SDL_WINDOWPOS_CENTERED_DISPLAY(display);
int pos = SDL_WINDOWPOS_CENTERED_DISPLAY(display);
WIN = SDL_CreateWindow("", pos, pos, usew, useh, flags);
if(!WIN) // This may fail on handhelds; maybe plain and dumb fixed-size-fullscreen will work?
{
full = true;
WIN = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, usew, useh, SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_FULLSCREEN);
}
if(!WIN)
exit_error("Failed to create window");