On Tue, Dec 4, 2012 at 6:08 PM, Pascal Terjan <pter...@gmail.com> wrote: > On Tue, Dec 4, 2012 at 6:00 PM, Jose Jorge <lists.jjo...@free.fr> wrote: >> Le 04/12/2012 13:21, Pascal Terjan a écrit : >>> >>> On Tue, Dec 4, 2012 at 12:10 PM, AL13N<al...@rmail.be> wrote: >>>>> >>>>> The code should really be complied but only enabled at runtime if it's >>>>> >>>>> available. PulseAudio does this. It's more of a pain to code for but >>>>> does make like easier for distributions. >>>>> >>>>> But yeah, short term fix, nuke the test, and as a meme says, keep calm >>>>> and carry on. >> >> >> It is not only a test, it is a crash. > > It is a crash because the code says to crash if there is no sse2. > >>>> >>>> but, do ALL recent i586 CPU's have SSE2? what about the embedded and VIA >>>> cpu's and the likes? >> >> >> http://en.wikipedia.org/wiki/SSE2#CPUs_supporting_SSE2 >> >> >>> >>> The test is that it refuses to run if the lib is not using sse2 while >>> it could (slowly). >>> >>> The clanSWRender lib needs to be fixed to have sse2 support on sse2 >>> system and not on non sse2 systems so that we can enable it but that's >>> something unrelated to dropping this test. >> >> >> No, the clanSWRender has only a SSE2 implementation because no one wants to >> write a SW render which is too slow. >> http://lists.debian.org/debian-devel-games/2012/03/msg00076.html > > The message complains that your CPU has SSE2 but it can not use it as > clanSWRender was built without support from it. > How can it be built without support for SSE2 if it is not optional ? > >> I wonder if we could enable for now SSE2, till upstream/somebody has a >> better fix : for now, all SSE2 cpus crash. Enabling SSE2 it will only crash >> on non-SSE2 cpus (older than 10 years) > > The crash is in the app, are there other apps using clanSWRender which > are working fine without SSE2 but would crash if clanSWRender had SSE2 > support?
So, reading more about it, clanSWRender is a software renderer instead of using one of the opengl ones Why would an application need it? Is it faster than using for example mesa's software rendering?
