[Mesa-dev] [PATCH 7/7] egl: Unify the EGLint/EGLAttrib paths in eglCreateSync*

Emil Velikov emil.l.velikov at gmail.com
Wed Oct 5 11:57:33 UTC 2016

On 4 October 2016 at 22:31, Chad Versace <chad at kiwitree.net> wrote:
> On Thu 29 Sep 2016, Emil Velikov wrote:
>> On 28 September 2016 at 07:28, Chad Versace <chadversary at chromium.org> wrote:
>> > Pre-patch, there were two code paths for parsing EGLSync attribute
>> > lists: one path for old-style EGLint lists, used by eglCreateSyncKHR,
>> > and another for new-style EGLAttrib lists, used by eglCreateSync (1.5)
>> > and eglCreateSync64 (EGL_KHR_cl_event2).
>> >
>> Actually we might want to use the same helper instead of
>> _eglConvertAttribsToInt for all entry points where the pre-1.5 entry
>> point was using EGLint while the EGL 1.5 one uses EGLAttrib.
>> In those cases we currently a) loose the upper bits (admittedly they
>> aren't used afaics) and b) we'll error out if the user provides an
>> empty/null list (not the most useful thing to do, but still).
> I don't follow. What exactly are you proposing?
Just an idea for follow-up work.

We might want to replace all the uses of _eglConvertAttribsToInt with
the new helper, since the former discards the upper bits (which are
admittedly zero atm). The second part about attribs isn't applicable
(silly thinko on my end).


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