[Mesa-dev] [PATCH] mesa: fix glGet size queries for L/LA/I color buffers

[Marek Olšák]

This is about the compatibility profile, that is 3.0, and our piglit
tests which test these legacy formats. This isn't an issue with the
core profile for the reason you mentioned.

Marek

On Tue, Mar 4, 2014 at 3:31 PM, luigi <luigide at yandex.com> wrote:
>
>>
>> From: Marek Ol??k <marek.olsak at amd.com>
>>
>> There is no API for returning the number of luminance and intensity bits and
>> the 3.3 spec doesn't seem to specify any behavior for the queries if the format
>> is one of L, LA, I. It seems to be a spec bug.
>>
>>
>
> hi.i just notice that:
>
> GL 3.3 Core spec Chapter E.2.2  Removed Features (title)  page 345  says
>
> """
> • Legacy pixel formats - all ALPHA, LUMINANCE, LUMINANCE_ALPHA, and
> INTENSITY external and internal formats, including compressed, floating-
> point, and integer variants; all references to luminance and intensity formats
> elsewhere in the specification, including conversion to and from those for-
> mats; and all associated state. including state describing the allocation or
> format of luminance and intensity texture or framebuffer components.
> """
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