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

[bugzilla-daemon at freedesktop.org]

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

          Priority: medium
            Bug ID: 74329
          Assignee: dri-devel at 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 at 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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