From 5205501e2f41e5c012ab130d1864949e0a5496ca Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Wed, 4 Sep 2024 12:52:57 +0200
Subject: [PATCH] mesa/prog_to_nir: use derivative builder

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31014>
---
 src/mesa/program/prog_to_nir.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/mesa/program/prog_to_nir.c b/src/mesa/program/prog_to_nir.c
index 1834033e698..513ac6846ac 100644
--- a/src/mesa/program/prog_to_nir.c
+++ b/src/mesa/program/prog_to_nir.c
@@ -476,8 +476,8 @@ static const nir_op op_trans[MAX_OPCODE] = {
    [OPCODE_ARL] = 0,
    [OPCODE_CMP] = 0,
    [OPCODE_COS] = 0,
-   [OPCODE_DDX] = nir_op_fddx,
-   [OPCODE_DDY] = nir_op_fddy,
+   [OPCODE_DDX] = 0,
+   [OPCODE_DDY] = 0,
    [OPCODE_DP2] = 0,
    [OPCODE_DP3] = 0,
    [OPCODE_DP4] = 0,
@@ -536,6 +536,14 @@ ptn_emit_instruction(struct ptn_compile *c, struct prog_instruction *prog_inst)
       return;
 
    switch (op) {
+   case OPCODE_DDX:
+      dst = nir_ddx(b, src[0]);
+      break;
+
+   case OPCODE_DDY:
+      dst = nir_ddy(b, src[0]);
+      break;
+
    case OPCODE_RSQ:
       dst = nir_frsq(b, nir_fabs(b, ptn_channel(b, src[0], X)));
       break;