st/mesa: don't pass compare mode for stencil-sampled textures

Fixes dEQP-GLES31.functional.stencil_texturing.misc.compare_mode_effect

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Cc: mesa-stable@lists.freedesktop.org
(cherry picked from commit 3970257cef5e0c7b5b31c023450f1ea55b784e88)
1 file changed