[Bug 74329] New: Please expose OES_texture_float and OES_texture_half_float on the ES3 context

[Bug 74329] New: Please expose OES_texture_float and OES_texture_half_float on the ES3 context

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https://bugs.freedesktop.org/show_bug.cgi?id=74329

          Priority: medium
            Bug ID: 74329
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Please expose OES_texture_float and
                    OES_texture_half_float on the ES3 context
          Severity: minor
    Classification: Unclassified
                OS: Linux (All)
          Reporter: org.freedesktop@io7m.com
          Hardware: All
            Status: NEW
           Version: 10.0
         Component: Drivers/DRI/R600
           Product: Mesa

Hello.

Original discussion on mailing list:

http://lists.freedesktop.org/archives/mesa-users/2014-February/000761.html

Essentially, for the purposes of testing code in an ES3 context as it would be
run on an ES2 context (that is, taking the paths the code would take based on
the extensions present on ES2), it would be nice if the ES3 context exposed
OES_texture_float and OES_texture_half_float.

The current ES3 context on this hardware exposes GL_EXT_texture_rg and
GL_EXT_color_buffer_float, and can therefore definitely support
OES_texture_float and OES_texture_half_float. All that would (apparently) be
required would be for floating point textures to be specified in an ES2
compatible manner (with format and internalformat set to GL_RED|GL_RG, and type
set to GL_FLOAT).

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[Bug 74329] Please expose OES_texture_float and OES_texture_half_float on the ES3 context

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https://bugs.freedesktop.org/show_bug.cgi?id=74329

--- Comment #1 from org.freedesktop@io7m.com ---
Thread actually started here:

http://lists.freedesktop.org/archives/mesa-users/2014-January/000745.html

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[Bug 74329] Please expose OES_texture_float and OES_texture_half_float on the ES3 context

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https://bugs.freedesktop.org/show_bug.cgi?id=74329

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Drivers/DRI/R600            |Drivers/Gallium/r600

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[Bug 74329] Please expose OES_texture_float and OES_texture_half_float on the ES3 context

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https://bugs.freedesktop.org/show_bug.cgi?id=74329

--- Comment #2 from Marek Olšák <maraeo@gmail.com> ---
(In reply to comment #1)
> Thread actually started here:
> 
> http://lists.freedesktop.org/archives/mesa-users/2014-January/000745.html

You will need to patch the Mesa source code. It should be trivial though,
because the functionality is already implemented.

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[Bug 74329] Please expose OES_texture_float and OES_texture_half_float on the ES3 context

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https://bugs.freedesktop.org/show_bug.cgi?id=74329

--- Comment #3 from Matt Turner <mattst88@gmail.com> ---
The Mesa core support was added in this commit:

commit a63c8a524b01e802cf2505099f930c0cb97df0b2
Author: Kalyan Kondapally <kondapallykalyancontribute@gmail.com>
Date:   Wed Jan 7 20:30:25 2015 -0800

    Mesa: Add support for GL_OES_texture_*float* extensions.

    This patch series adds support for following GLES2 Texture Float
extensions:
    1)GL_OES_texture_float,
    2)GL_OES_texture_half_float,
    3)GL_OES_texture_float_linear,
    4)GL_OES_texture_half_float_linear.

Gallium drivers just need to enable the extensions now.

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[Bug 74329] Please expose OES_texture_float and OES_texture_half_float on the ES3 context

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https://bugs.freedesktop.org/show_bug.cgi?id=74329

Sergey Kondakov <virtuousfox@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |virtuousfox@gmail.com

--- Comment #4 from Sergey Kondakov <virtuousfox@gmail.com> ---
Is anything holding off r600 from using it ? I was just trying to see
http://madebyevan.com/webgl-water/ WebGL demo and was surprised that recent
Mesa 10.6 doesn't have OES_texture_float while having GL_ARB_texture_float.

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[Bug 74329] Please expose OES_texture_float and OES_texture_half_float on the ES3 context

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https://bugs.freedesktop.org/show_bug.cgi?id=74329

Marek Olšák <maraeo@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Marek Olšák <maraeo@gmail.com> ---
Added in 44dc1d307d7eacef0d6f1618ba0fb7f62e08f8. Closing.

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