Mesa (main): nir: Fix nir_lower_io with per primitive outputs.

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Module: Mesa
Branch: main
Commit: d79d9a7a06ade36a93640815d0460063f608e407
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d79d9a7a06ade36a93640815d0460063f608e407

Author: Timur Kristóf <timur.kristof at gmail.com>
Date:   Thu Oct 21 11:22:34 2021 +0200

nir: Fix nir_lower_io with per primitive outputs.

Signed-off-by: Timur Kristóf <timur.kristof at gmail.com>
Acked-by: Caio Marcelo de Oliveira Filho <caio.oliveira at intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13466>

---

 src/compiler/nir/nir_lower_io.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_lower_io.c b/src/compiler/nir/nir_lower_io.c
index f160390fd4d..4d459c7d60b 100644
--- a/src/compiler/nir/nir_lower_io.c
+++ b/src/compiler/nir/nir_lower_io.c
@@ -2652,7 +2652,8 @@ is_output(nir_intrinsic_instr *intrin)
 static bool is_dual_slot(nir_intrinsic_instr *intrin)
 {
    if (intrin->intrinsic == nir_intrinsic_store_output ||
-       intrin->intrinsic == nir_intrinsic_store_per_vertex_output) {
+       intrin->intrinsic == nir_intrinsic_store_per_vertex_output ||
+       intrin->intrinsic == nir_intrinsic_store_per_primitive_output) {
       return nir_src_bit_size(intrin->src[0]) == 64 &&
              nir_src_num_components(intrin->src[0]) >= 3;
    }