On Fri, Jun 21, 2013 at 3:53 PM, Kenneth Graunke <kenn...@whitecape.org>wrote:
> On 06/21/2013 01:25 PM, Patrick Baggett wrote: > >> I'm not a developer, but I like to keep up with the drivers that I have >> hardware for. Please take my opinions with a grain of salt. >> >> When you say you break i915 more than you improve it, do you mean to say >> that it is difficult to improve !i915 without breaking i915 and >> therefore to improve development speed, it should be forked OR that i915 >> doesn't receive enough testing / have maintainers who can resolve the >> issues and so it burdens other developers to fix i915 and hence slows >> development? >> >> The reason I ask if because if it is #2, then it sounds like you should >> be looking for someone to volunteer as the official i915 maintainer [and >> if none, then fork], but if it is #1, then maintainer or not, it will >> slow down your efforts. >> > > Mostly the former...i915c already supports everything the hardware can do, > while we're continually adding new features to i965+ (well, mostly gen6+). > Things like HiZ, fast color clears, and ETC texture compression support > affect the common miptree code, but they do nothing for i915 class > hardware...there's only a potential downside of accidental breakage. > > The latter is true as well. Unfortunately, community work is hampered by > the fact that Intel hasn't released public documentation for i915 class > hardware. From time to time we've tried to find and motivate the right > people to make that happen, but it hasn't yet. Most people in the > community are also more interested in working on the i915g driver. > > Ah, thanks for the explanation, though I guess it doesn't do a whole, whole lot to answer Eric's question. On a side note: I was interested in the i915g driver, but I couldn't find any documentation for it other than some architectural information about the GPU's pipeline. I'm glad I wasn't just lacking the Google-foo. :\
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