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thedodgeruk

directx 9 vs directx10

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im at uni at the moment studying computer games, and we are going to be taught directx9 , i was wondering , how hard it it once you learned directx9 to go to directx 10

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Depends on what parts of 9 you use. If you've stayed away from the fixed function functionality, then going from 9 to 10 is quite trivial.

Either way, 10 simplifies things a lot by simply dropping a lot of the cruft that's been in DirectX since its early days, thereby making it a lot quicker and easier to the meaty parts, provided you're familiar with shaders and the whole programmable pipeline.

If, on the other hand, if you're heavily enamored with the fixed function parts of DX9, or have never used shaders before, then it'll be a bit of a hop, but I would still suggest making it if you have Windows Vista or 7, as it does make life easier.

You might also want to look at learning DirectX 11 through the feature level feature. Which allows you to access 9, 10, 10.1 and 11 hardware through the same API (Windows Vista/7 only again), only difference being is the functionality available.

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Well, from first hand experience I know that it is harder to switch from D3D9 to D3D10 than from D3D10 to D3D11. There are many different things between D3D9 and D3D10.
I think you will find this useful: http://msdn.microsoft.com/en-us/library/ee416643(VS.85).aspx

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