Real World Implementation - Higher Resolution (1280 x 1024 and 1280 x 960)
What if we raise the resolution? With higher resolution, more pixels are drawn per screen area which should help multisampling when compared to the hybrid multisampling / supersampling of 8xS. Alright, let's see what we can gleam with slightly higher resolution. We chose 1280 x 960 for Homeworld 2 and 1280 x 1024 for Nascar 2003, GTR2 and Need for Speed: Carbon. We wanted to see if raising the resolution will help the alleviate some of the aliasing still visible on the many anti aliasing modes on the GeForce 8800.Homeworld 2
GeForce 7950GT
Radeon X1950 Pro
GeForce 8800GTS
In this scene we actually didn't see that much of a difference at 1024 x 768 between 4x MSAA on both the GeForce 7950GT and 8800 and the many extra anti aliasing modes on the GeForce 8800. We still didn't see any difference between these modes, but the good news is that we did see less aliasing on all of these modes at 1280 x 960. The same also holds true for the Radeon X1950 Pro. There's still aliasing but its far less noticeable now.
Aliasing in motion (.bmp files in RAR package)
GeForce 7950GT
4x AA
8xS AA
Radeon X1950 Pro
4x AA
GeForce 8800GTS
4x AA
8x CSAA
8xQ AA
With higher resolution (1280 x 960), the GeForce 8800 with just 4x MSAA was able to match the quality of the Radeon X1950 Pro 4x MSAA. Naturally, 8xQ and 8x CSAA offers the same quality - no aliasing are visible. The GeForce 7950GT with 8xS was still not able to fully eliminate aliasing in this scene. So it looks like you need to use a resolution higher than 1024 x 768 to really get the benefit of anti aliasing on the GeForce 8800. Let's see if that is also true for the other games..Another thing to note is that we're still not seeing any noticeable difference between 4x, 8xQ and 8x CSAA.
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