From f8305828f4bd6a7e8622b3b6ef83676b06efde0e Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Thu, 13 Mar 2025 17:43:00 +0100
Subject: [PATCH] util/u_printf: support printing fp16 values

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34053>
---
 src/util/u_printf.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/util/u_printf.c b/src/util/u_printf.c
index f3ae6ffd3bb..67ff4831c64 100644
--- a/src/util/u_printf.c
+++ b/src/util/u_printf.c
@@ -36,6 +36,8 @@
 #include "u_math.h"
 #include "u_printf.h"
 
+#include "util/half_float.h"
+
 #define XXH_INLINE_ALL
 #include "util/xxhash.h"
 
@@ -241,7 +243,11 @@ u_printf_impl(FILE *out, const char *buffer, size_t buffer_size,
                case 2: {
                   uint16_t v;
                   memcpy(&v, &buffer[elmt_buf_pos], elmt_size);
-                  fprintf(out, print_str, v);
+                  if (is_float) {
+                     fprintf(out, print_str, _mesa_half_to_float(v));
+                  } else {
+                     fprintf(out, print_str, v);
+                  }
                   break;
                }
                case 4: {