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Well, and now let’s take a closer look at the image quality provided by the new NV35 and the differences in Performance, balanced and Quality modes. As an example let’s take Serious Sam: The Second Encounter Scene:

Below you can see the enlarged fragments of the screenshot taken with OpenGL and Direct3D:

Quality mode, OpenGL:
     

Quality mode, Direct3D:
     

We see no differences between OpenGL and Direct3D modes. In fact there shouldn’t be any, because we know that all optimizations are disabled in Quality mode.

Balanced mode, OpenGL:
     

Balanced mode, Direct3D:
     

Here we also can’t notice any big differences between the screenshots taken in OpenGL and Direct3D. However, on the third screenshot from the left you can notice that the “stone” texture has become slightly blurred compared to the Quality mode.

Performance mode, OpenGL:
     

Performance mode, Direct3D:
     

On the first two screenshots taken in OpenGL you can see texture compression artifacts: in Performance mode with OpenGL the driver forces texture compression.

You can see on other screenshots that the level of detail has become much lower compared to the Quality and Balanced modes. However, in case of OpenGL the images are a little more clear-cut.

 
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