Could it be possible to add these drivers in the lists instead of me adding some more exceptions in my code?
(I ask that mainly because I might have bug reports saying that softpipe is green but it's never mentioned in the original file) 2014-08-25 10:28 GMT-04:00 Roland Scheidegger <srol...@vmware.com>: > > Am 25.08.2014 07:56, schrieb Kenneth Graunke: > > On Monday, August 25, 2014 12:05:07 AM Romain Failliot wrote: > >> Some folks helped me and a lot of detection bug have been fixed! > >> > >> I have a question though (for my own culture): what's with the swrast, > the > >> softpipe and the llvmpipe? Aren't they all software drivers? What's the > >> difference between all of them? > >> > >> Thanks you! > > > > swrast is Mesa's original software rasterizer - the oldest of the > three. In addition to being a standalone software driver, it's also used > for software fallbacks in the classic drivers (i915, i965, r100, r200, > nouveau_vieux). > > > > softpipe is newer - a Gallium based software rasterizer. It has a lot > more features than the old swrast. It's not particularly fast, but is > pretty simple in comparison to llvmpipe. > > > > llvmpipe uses LLVM to compile shaders to native assembly, rather than > using an interpreter. As such, it's much faster than the other two. > > > > At least, that's my understanding of the situation. > > > > --Ken > > In addition to that, softpipe is more meant as a development tool - way > easier to debug if something goes wrong than llvmpipe. It is lagging a > bit behind llvmpipe though in some areas. > llvmpipe, while not listed in GL3.txt, actually can do all up to and > including GL 3.3, with the exception of real MSAA (the implementation is > fake and not conformant). Similar story with softpipe (though it has > more non-compliant behavior wrt texturing especially, like explicit > derivatives not working, no offsets etc.). >
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