[Mesa-dev] DEATH to old drivers!

[Ian Romanick]

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On 09/06/2011 02:17 PM, Adam Jackson wrote:
> On Thu, 2011-08-25 at 07:38 -0700, Kenneth Graunke wrote:
>> On 08/25/2011 07:03 AM, Ian Romanick wrote:
>>> That's a fair point.  Since we have a clean mechanism to improve those
>>> interfaces (e.g., DRI2!), there's relatively little cost in keeping that
>>> code around.
>>>
>>> I'd usually be pretty stoked about deleting 842 lines of code, but it
>>> feels pretty insignificant right after deleting 85,811 lines of code!  I
>>> may have now out ajaxed ajax. :)
>>
>> It may be insignificant in size, but it _does_ make it harder for people
>> trying to get up to speed with the DRI code.  There are a lot of
>> structures, tokens, and functions which _look_ relevant for a DRI2
>> driver, but are actually DRI1.  It's not entirely clear, for example,
>> that dri_context and dri_screen are DRI1-only.  I imagine Chad has an
>> opinion on this.
>>
>> So I'm still in favor of removing DRI1 entirely.  People can just stick
>> with 7.11.
> 
> I will happily renamespace the remaining DRI1 code in libGL to avoid
> that kind of confusion, if it helps.  I have at least one product where
> I'm going to have to ship both updated DRI2 and extant DRI1 drivers for
> the forseeable future, so I really want not to need two libGL's.
> 
> Apologies for reviving the thread, I was delightfully far from a
> computer for the past two weeks.  But what a nice thing to give me as a
> welcome home present!  Having started my interest in Mesa on tdfx and
> mach64 I'm entirely pleased to see them in the dustbin.

I ended up leaving the DRI1 protocol code in libGL.  A libGL built from
today's Mesa master should still work with DRI1 drivers built from 7.11.
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