[Mesa-dev] question on GL_RED and gles

[Tapani Pälli]

Hi;

On 11/25/2015 05:24 PM, Julien Isorce wrote:
> Hi,
>
> In EXT_texture_rg.txt it is mentioned of GL_RED_EXT on gles 2.0.
>
> In  glformats.c::_mesa_es_error_check_format_and_type returns 
> GL_INVALID_VALUE if  GL_RED_EXT(as it reaches default case)
> so glTexImage2D(..., GL_RED_EXT, GL_UNSIGNED_BYTE, data) fails.
>
> Though GL_EXTENSIONS contains GL_EXT_texture_rg.
>
> So it seems that GL_RED_EXT is actually only possible with gles >= 3.0.
>
> What am I missing ?
>

Which version of Mesa are you using to test this? Ilia fixed this bug:

https://bugs.freedesktop.org/show_bug.cgi?id=93126

which I believe should fix this issue, fix is available in current 
master and Mesa 11.1.


> Thx in advance for any clarification.
> Julien
>
>
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> mesa-dev at lists.freedesktop.org
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