On Thu, Jan 12, 2017 at 11:46 AM, Nicolai Hähnle <nhaeh...@gmail.com> wrote:
> On 12.01.2017 17:41, Ilia Mirkin wrote:
>>
>> On Thu, Jan 12, 2017 at 11:39 AM, Emil Velikov <emil.l.veli...@gmail.com>
>> wrote:
>>>
>>> On 12 January 2017 at 09:55, Nicolai Hähnle <nhaeh...@gmail.com> wrote:
>>>>
>>>> From: Nicolai Hähnle <nicolai.haeh...@amd.com>
>>>>
>>>> Add a proper check for feature support, and raise an invalid enum for
>>>> GL_CLAMP_VERTEX/FRAGMENT_COLOR unconditionally in core profiles, since
>>>> those enums were explicitly removed after the extension was promoted
>>>> to core functionality (not in the profile sense) with OpenGL 3.0.
>>>>
>>> Wouldn't it be better to simply not advertise the extension for Core
>>> profiles ?
>>
>>
>> I'm fine with either approach FWIW. My initial comments were based on
>> the theory that the ext enabled clamping in core contexts, but that
>> doesn't sound like it's the case.
>>
>> Could be more straightforward to just flip the ext to be GLL instead.
>
>
> I'm fine with that.
>
> I should point out though that this patch as-is makes some sense regardless,
> because the check for feature support was actually totally missing (think GL
> < 3.0, no support for float buffers -- that would have let one of the enums
> through).

Perhaps make the ext GLL and make this function check
_mesa_has_ARB_color_buffer_float() which should DTRT?

Cheers,

  -ilia
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