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SDL: Added antialiasing support.

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This commit is contained in:
Robert Biro 2011-10-08 01:14:41 +01:00
parent 8f451e1f11
commit 56208e0ca0
1 changed files with 9 additions and 0 deletions
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9
backends/graphics/surfacesdl/surfacesdl-graphics.cpp
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@ -123,6 +123,15 @@ byte *SurfaceSdlGraphicsManager::setupScreen(int screenW, int screenH, bool full
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
if (ConfMan.hasKey("antialiasing") && ConfMan.getInt("antialiasing")) {
// Antialiasing works without setting MULTISAMPLEBUFFERS, but as SDL's official
// tests set both values, this seems to be the standard way to do it. It could
// just be that in current OpenGL implementations setting SDL_GL_MULTISAMPLESAMPLES
// implicitly sets SDL_GL_MULTISAMPLEBUFFERS as well.
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, ConfMan.getInt("antialiasing"));
}
sdlflags = SDL_OPENGL;
bpp = 24;
} else