From 30ead72e80e5b7ba5c5dfc46261b4d249f4fa382 Mon Sep 17 00:00:00 2001
From: Sagar Ghuge <sagar.ghuge@intel.com>
Date: Sun, 5 Mar 2023 15:33:19 -0800
Subject: [PATCH] nir: Allow nir_texop_tg4 in implicit derivative

This allow us to invoke the quad helper.

v2: (Georg)
- Add check for is_gather_implicit_lod

Fixes: 48158636bf1b ("nir: add is_gather_implicit_lod")
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27447>
---
 src/compiler/nir/nir.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c
index 485a4bec239..579f9b5a125 100644
--- a/src/compiler/nir/nir.c
+++ b/src/compiler/nir/nir.c
@@ -3145,6 +3145,8 @@ nir_tex_instr_has_implicit_derivative(const nir_tex_instr *instr)
    case nir_texop_txb:
    case nir_texop_lod:
       return true;
+   case nir_texop_tg4:
+      return instr->is_gather_implicit_lod;
    default:
       return false;
    }