[Mesa-dev] [PATCH] [rfc] mesa: don't allow GLSL 1.30 without GL3.
stereotype441 at gmail.com
Wed Jan 11 09:40:49 PST 2012
On 10 January 2012 13:38, Christoph Bumiller
<e0425955 at student.tuwien.ac.at>wrote:
> On 01/10/2012 10:09 PM, Dave Airlie wrote:
> > On Tue, Jan 10, 2012 at 7:28 PM, Eric Anholt <eric at anholt.net> wrote:
> >> On Tue, 10 Jan 2012 11:52:57 +0000, Dave Airlie <airlied at gmail.com>
> >>> From: Dave Airlie <airlied at redhat.com>
> >>> Things can get confused if you expose one without the other which can
> >>> if you are missing one or two of the extensions (like say float
> >> Can you clarify what "things can get confused" means?
> > Well piglit starts to fail in wierd and wonderful way, I just don't
> > think we have any valid use cases for exposing GLSL1.30 without GL3
> > and I'd like to enforce that.
> Some tests only check for GLSL 1.3 and then use functions like
> glUniform*ui that glew only sets up if GL_VERSION_3_0 and as a result
> they call a NULL pointer.
Personally I would call this a flaw in the piglit tests. If sloppy
dependency checking in piglit tests is our only reason for making this
change, then I'd rather fix the piglit tests rather than constrain what
GLSL version Mesa can advertise. It was really useful for us in our GL 3.0
work on Sandy Bridge to be able to enable GLSL 1.30 support when it was
ready, and not have to wait until we had all the components of GL 3.0 in
place before we could start testing the GLSL 1.30 features.
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