[Mesa-dev] [PATCH v2 00/22] intel: Add ETC2 compressed texture support

[Eric Anholt]

Anuj Phogat <anuj.phogat at gmail.com> writes:

> This series lives on my gles3-etc2-v2 branch (https://github.com/aphogat/mesa).
>
> It enables ETC2 texture formats for all Intel hardware. ETC2 texture
> data is decoded into a suitable uncompressed mesa format at the time
> of glCompressedTexImage2D. These patches can be tested using piglit
> test case i have posted for etc2 textures. Patches for the test are
> under review on piglit mailing list.
>
> Major changes based on review comments by Brian and Ian:
>  - Now decodes SRGB ETC2 formats to MESA_FORMAT_SARGB.
>  - Fixed an issue with signed-{r, rg}11 decoding. Decoded 16 bit signed
>    data is now converted to 16 bit unsigned data by adding 2 ^ 15 and
>    stored in an unsigned mesa texture format. This makes piglit etc2
>    test case pass for these formats.
>  - Added entries to texfetch_funcs[] array. ETC2 piglit test passes on
>    swrast.
>  - Squashed together all patches to enable etc2 formats on intel h/w.
>  - Now uses nonlinear_to_linear() function to convert from SRGB to
>    linear RGB.
>
> I'll soon be pushing this series on gles3 branch.

It seems like the "add a new texture format" patches at least could be
squashed into an "Add new MESA_FORMATs for ETC2 compressed textures".
If I was going to review them, I'd squash all those patches and look at
them together.
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