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)
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index daf98c3..661e0f2 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -226,7 +226,7 @@
/* If sampling a depth texture and using shadow comparison */
if ((texBaseFormat == GL_DEPTH_COMPONENT ||
- texBaseFormat == GL_DEPTH_STENCIL) &&
+ (texBaseFormat == GL_DEPTH_STENCIL && !texobj->StencilSampling)) &&
msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
sampler->compare_func = st_compare_func_to_pipe(msamp->CompareFunc);