llvmpipe: handle z32s8x24 depth/stencil format

We need to split up the depth and stencil values in this case, and there's
some new logic required to handle float depth and stencil simultaneously.
Also make sure we get the 64bit zs clear values and masks propagated
correctly.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
index cc29c5c885f..7ac0029051d 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
@@ -1545,6 +1545,11 @@ lp_build_sample_soa(struct gallivm_state *gallivm,
          bld.texel_type = lp_type_uint_vec(type.width, type.width * type.length);
       }
    }
+   else if (util_format_has_stencil(bld.format_desc) &&
+       !util_format_has_depth(bld.format_desc)) {
+      /* for stencil only formats, sample stencil (uint) */
+      bld.texel_type = lp_type_int_vec(type.width, type.width * type.length);
+   }
 
    if (!static_texture_state->level_zero_only) {
       derived_sampler_state.min_mip_filter = static_sampler_state->min_mip_filter;