Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580
---
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index e91e39a..6d572be 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1424,6 +1424,8 @@ vec4_visitor::nir_emit_texture(nir_tex_instr *instr)
bool has_nonconstant_offset = false;
src_reg offset_value;
src_reg lod, lod2;
+ src_reg sample_index;
+ src_reg mcs;
/* Load the texture operation sources */
for (unsigned i = 0; i < instr->num_srcs; i++) {
@@ -1477,9 +1479,19 @@ vec4_visitor::nir_emit_texture(nir_tex_instr *instr)
}
break;
- case nir_tex_src_ms_index:
- /* @TODO: not yet implemented */
+ case nir_tex_src_ms_index: {
+ sample_index = retype(src, BRW_REGISTER_TYPE_D);
+
+ assert(coord_type != NULL);
+ if (devinfo->gen >= 7 &&
+ key->tex.compressed_multisample_layout_mask & (1<<sampler)) {
+ mcs = emit_mcs_fetch(coord_type, coordinate, sampler_reg);
+ } else {
+ mcs = src_reg(0u);
+ }
+ mcs = retype(mcs, BRW_REGISTER_TYPE_UD);
break;
+ }
case nir_tex_src_offset:
offset_value = retype(src, BRW_REGISTER_TYPE_D);
--
2.1.4
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