I am trying to get the Antialiasing (multisampling) in OpenGL with SDL to work(as shown here), but the result doesn't change and I still get jaggy edges.
Before rendering I call the following functions
glEnable(GL_MULTISAMPLE);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST );
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST );
glEnable(GL_LINE_SMOOTH);
glEnable(GL_POLYGON_SMOOTH);
As I've been looking for a solution I added more functions to my SDL setup but nothing helped.
SDL_Init(SDL_INIT_EVERYTHING);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
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, 0);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 32);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
SDL_SetHint( SDL_HINT_RENDER_SCALE_QUALITY, "1" );
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
Window and Context are created via
window = SDL_CreateWindow(Window_title.str().c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, flags);
SDL_GLContext glContext = SDL_GL_CreateContext(window);
Any Ideas what I could do to get around this? Should I try a different approach for anti-aliasing?
Have I missed something about Multisampling / anti-aliasing, like there's an extra fragment shader needed or so?
