From be011e8675c2d4a158921bdc429184cc3fc42d38 Mon Sep 17 00:00:00 2001
From: Mary Guillemard <mary.guillemard@collabora.com>
Date: Thu, 13 Feb 2025 16:59:49 +0100
Subject: [PATCH] pan/bi: Stop using V2F16_TO_V2S16 for barycentric_at_offset
 on v11+

This was removed on v11.

Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33608>
---
 src/panfrost/compiler/bifrost_compile.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/panfrost/compiler/bifrost_compile.c b/src/panfrost/compiler/bifrost_compile.c
index 07143701180..a58288eb2e4 100644
--- a/src/panfrost/compiler/bifrost_compile.c
+++ b/src/panfrost/compiler/bifrost_compile.c
@@ -347,7 +347,21 @@ bi_varying_src0_for_barycentric(bi_builder *b, nir_intrinsic_instr *intr)
          }
       }
 
-      return bi_v2f16_to_v2s16(b, f16);
+      /* v11 removed V2F16_TO_V2S16 */
+      if (b->shader->arch >= 11) {
+         bi_index f[2];
+
+         for (int i = 0; i < 2; i++) {
+            bi_index tmp = bi_half(f16, i == 1);
+            tmp = bi_f16_to_f32(b, tmp);
+            tmp = bi_f32_to_s32(b, tmp);
+            f[i] = bi_half(tmp, false);
+         }
+
+         return bi_mkvec_v2i16(b, f[0], f[1]);
+      } else {
+         return bi_v2f16_to_v2s16(b, f16);
+      }
    }
 
    case nir_intrinsic_load_barycentric_pixel: