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8x Anisotropic Filtering - Colored Mipmaps

ATi's X800 Pulls Off Another Coup in the Graphics Performance War
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8x Anisotropic Filtering - Colored Mipmaps
GeForce 6800U
Trilinear Opt. ON
GeForce 6800U
Trilinear Opt. OFF
Radeon
X800 XT
MS Reference
Rasterizer
Difference to MS Reference Rasterizer
 

When anisotropic filtering is selected, both NVIDIA's GeForce 6800 Ultra and ATi's Radeon X800 XT produce an image that greatly differs from the one produced by Refrast. This is a direct result of the aggressive adaptive angle-based optimization. You can see that the filter of the GeForce 6800 Ultra (without trilinear optimization) is obviously less exact around horizontal plane, while ATi's X800 optimizes at the sides of the tunnel.

8x Anisotropic Filtering - Black/White

8x Anisotropic (Driver Forced) - Texture
GeForce 6800U
Trilinear Opt. ON
GeForce 6800U
Trilinear Opt. OFF
Radeon
X800 XT
MS Reference
Rasterizer
Difference to MS Reference Rasterizer
 

Here are the results with the black/white-testing pattern.

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