[Mesa-stable] [Mesa-dev] [PATCH 1/3] mesa: GL_TEXTURE_BORDER_COLOR exists in OpenGL 1.0, so don't depend on GL_ARB_texture_border_clamp

[Juan A. Suarez Romero]

On Sat, 2017-07-08 at 02:03 +0300, Andres Gomez wrote:
> Ian, it looks like we could want this patch (and the others from the
> series when they land) in -stable (?)
> 

As we are preparing a new stable 17.1 release, gently pinging.


	J.A.

> On Tue, 2017-06-27 at 10:09 -0700, Ian Romanick wrote:
> > From: Ian Romanick <ian.d.romanick at intel.com>
> > 
> > On NV20 (and probably also on earlier NV GPUs that lack
> > GL_ARB_texture_border_clamp) fixes the following piglit tests:
> > 
> >     gl-1.0-beginend-coverage gltexparameter[if]{v,}
> >     push-pop-texture-state
> >     texwrap 1d
> >     texwrap 1d proj
> >     texwrap 2d proj
> >     texwrap formats
> > 
> > All told, 49 more tests pass on NV20 (10de:0201).
> > 
> > No changes on Intel CI run or RV250 (1002:4c66).
> > 
> > Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
> > ---
> >  src/mesa/main/texparam.c | 10 +++++++++-
> >  1 file changed, 9 insertions(+), 1 deletion(-)
> > 
> > diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
> > index 3c110de..857faf6 100644
> > --- a/src/mesa/main/texparam.c
> > +++ b/src/mesa/main/texparam.c
> > @@ -736,8 +736,16 @@ set_tex_parameterf(struct gl_context *ctx,
> >        break;
> >  
> >     case GL_TEXTURE_BORDER_COLOR:
> > +      /* Border color exists in desktop OpenGL since 1.0 for GL_CLAMP.  In
> > +       * OpenGL ES 2.0+, it only exists in when GL_OES_texture_border_clamp is
> > +       * enabled.  It is never available in OpenGL ES 1.x.
> > +       *
> > +       * FIXME: Every driver that supports GLES2 has this extension.  Elide
> > +       * the check?
> > +       */
> >        if (ctx->API == API_OPENGLES ||
> > -          !ctx->Extensions.ARB_texture_border_clamp)
> > +          (ctx->API == API_OPENGLES2 &&
> > +           !ctx->Extensions.ARB_texture_border_clamp))
> >           goto invalid_pname;
> >  
> >        if (!_mesa_target_allows_setting_sampler_parameters(texObj->Target))