[Mesa-dev] [PATCH 1/3] i965: Don't forget the cube map padding on gen5+.

Eric Anholt eric at anholt.net
Tue Oct 8 13:28:54 PDT 2013

Ian Romanick <idr at freedesktop.org> writes:

> On 10/08/2013 10:36 AM, Eric Anholt wrote:
>> We had a fixup for gen4's 3d-layout cubemaps (which, iirc, we'd
>> experimentally found to be necessary!), but while the spec still requires
>> it on gen5, we'd been missing it in the array-layout cubemaps.
> I think we didn't bother with that patch because we only support
> GL_ARB_texture_cube_map_array on GEN6+.  While I think this is a
> reasonable change (keep the paths similar), I don't think it needs to be
> picked back to stable... unless there's a way I'm not seeing that could
> cause it to get hit...

As of gen5, cube maps on all hardware are always laid out as arrays, not
as weird 3d textures -- that's what I was referring to.
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