// SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
// SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
// SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
+
+ // See also init.cpp for how to enable debugging.
+// SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
+
SDL_Window *window = SDL_CreateWindow("OpenGL window for unit test",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,