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Dirty Rectangles using Dx8, is it a good thing?

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Unless you are doing some 2D projections and you know where the area is that will change, it is hopeless to use dirty rects since you cannot be sure which parts are affected by the polygons that have been transformed.

Kind regards,
Metron

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Guest Anonymous Poster
DX8 does not like any assumptions on the content of the screen buffer. In fact you need to specify flags to preserve it if you want to. Also, you may have problems with double and triple buffering.

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