Pavel Ondracka wrote: > When trying to run Sins of a Solar Empire (but also some other apps) with r300g driver I have this problem. > "r300: Max size of the constant buffer is 256*4 floats." They driver you are using is insufficient for Wine - plain and simple. Wine does not emulate most things and rely on HW/driver to do that. If you want your game to work - change HW, or implement missing functionality in driver/Wine.