[Bug 87211] [i965 Bisected]ES2-CTS.gtf.GLCoverage.CoverageGL fails due to enable GL_RGB and GL_RGBA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87211

--- Comment #8 from Eduardo Lima Mitev <elima at igalia.com> ---
(In reply to Ian Romanick from comment #7)
> I think the unsized internal formats are only allowed with certain
> format and type combinations.  Perhaps 7894278 is just too lax?

See bug 88079. I think it describes the same issue.
The spec is not always clear where GL_RGB and GL_RGBA (or other unsized
internal formats) are valid internal formats, but in some cases it is very
clear where it is not, like in glRenderbufferStorageMultisample():

  "internalformat must be a sized internal format that is
   color-renderable,depth-renderable, or
   stencil-renderable"

I just submitted a patch for reviewal
<http://lists.freedesktop.org/archives/mesa-dev/2015-January/074122.html>.
Perhaps it also fixes
ES3-CTS.gtf.GL3Tests.color_buffer_float.color_buffer_unsupported_format.

Could you please confirm?

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