From cf4953d184b698425cded9a71dfc67c24334da36 Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Fri, 15 Mar 2024 13:47:12 -0400
Subject: [PATCH] zink: apply component offset for CLIP/CULL DIST1 location
 derefs

cannot currently be reached

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28466>
---
 src/gallium/drivers/zink/zink_compiler.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_compiler.c b/src/gallium/drivers/zink/zink_compiler.c
index 4ebae04e8d8..bfb543c0ff9 100644
--- a/src/gallium/drivers/zink/zink_compiler.c
+++ b/src/gallium/drivers/zink/zink_compiler.c
@@ -3678,6 +3678,10 @@ add_derefs_instr(nir_builder *b, nir_intrinsic_instr *intr, void *data)
                   unsigned offset = slot_offset;
                   if (is_builtin_array)
                      offset *= 4;
+                  if (is_clipdist) {
+                     if (loc == VARYING_SLOT_CLIP_DIST1 || loc == VARYING_SLOT_CULL_DIST1)
+                        offset += 4;
+                  }
                   deref = nir_build_deref_array_imm(b, deref, offset + idx);
                } else {
                   nir_def *offset = src_offset->ssa;