[Mesa-stable] [PATCH] mesa: update fbo state in glTexStorage

[Anuj Phogat]

On Thu, Aug 20, 2015 at 12:52 AM, Tapani Pälli <tapani.palli at intel.com> wrote:
> We have to re-validate FBOs rendering to the texture like is done
> with TexImage and CopyTexImage.
>
> Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91673
> Cc: "10.6" <mesa-stable at lists.freedesktop.org>
> ---
>  src/mesa/main/texstorage.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/src/mesa/main/texstorage.c b/src/mesa/main/texstorage.c
> index db2b63d..51f49b3 100644
> --- a/src/mesa/main/texstorage.c
> +++ b/src/mesa/main/texstorage.c
> @@ -189,6 +189,20 @@ clear_texture_fields(struct gl_context *ctx,
>  }
>
>
> +/**
> + * Update/re-validate framebuffer object.
> + */
> +static void
> +update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
> +{
> +   const unsigned numFaces = _mesa_num_tex_faces(texObj->Target);
> +   for (int level = 0; level < ARRAY_SIZE(texObj->Image[0]); level++) {
> +      for (unsigned face = 0; face < numFaces; face++)
> +         _mesa_update_fbo_texture(ctx, texObj, face, level);
> +   }
> +}
> +
> +
>  GLboolean
>  _mesa_is_legal_tex_storage_format(struct gl_context *ctx, GLenum internalformat)
>  {
> @@ -446,6 +460,7 @@ _mesa_texture_storage(struct gl_context *ctx, GLuint dims,
>
>        _mesa_set_texture_view_state(ctx, texObj, target, levels);
>
> +      update_fbo_texture(ctx, texObj);
>     }
>  }
>
> --
> 2.1.0
>
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> mesa-stable at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-stable

LGTM. It'll be nice to have a piglit test for this bug.
Assuming no piglit regressions with the patch:

Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>