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AMD R600g LLVM Back-End Is Working A Bit Better

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  • #16
    Originally posted by SavageX View Post
    Actually Xonotic/Nexuiz has problems with compile times. Whenever a new material/effect/whatever comination is encountered rendering will have to wait for a split second for the shader to compile. This is noticable especially in the first few seconds on a new map.
    Why? Surely you could cache those at level load time?

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    • #17
      I did not know that Michael had started using Prey as a benchmark.

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      • #18
        Originally posted by curaga View Post
        Why? Surely you could cache those at level load time?
        In theory yes, but the amount of possible shader combinations is surprisingly high and if done, e.g., on hard disk one needs to sure one does not try to stuff outdated shader compiles into the wrong card/driver/whatever.

        It should be feasible to overcome these problems, but nobody made an attempt. It's a big more complicated than it sounds at first.

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