From eebe406c808e6061ee76e93a616537b5369dbf40 Mon Sep 17 00:00:00 2001
From: Alan Kelly <alankelly-at-google.com@ffmpeg.org>
Date: Mon, 20 Dec 2021 15:45:45 +0100
Subject: libswscale: Test AV_CPU_FLAG_SLOW_GATHER for hscale functions.

This is instead of EXTERNAL_AVX2_FAST so that the avx2 hscale functions
are only used where they are faster.
---
 libswscale/x86/swscale.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libswscale/x86/swscale.c')

diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c
index c49a05c37b..ffc7691c12 100644
--- a/libswscale/x86/swscale.c
+++ b/libswscale/x86/swscale.c
@@ -578,7 +578,7 @@ switch(c->dstBpc){ \
              break; \
     }
 
-    if (EXTERNAL_AVX2_FAST(cpu_flags)) {
+    if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
         if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
             if (c->chrDstW % 16 == 0)
                 ASSIGN_AVX2_SCALE_FUNC(c->hcScale, c->hChrFilterSize);
-- 
cgit v1.2.3