From 9e606b33a8e25fa8df383bcf3229e0203f79fae3 Mon Sep 17 00:00:00 2001
From: Lynne <dev@lynne.ee>
Date: Fri, 9 Aug 2024 01:42:06 +0200
Subject: [PATCH] hwcontext_vulkan: add HOST_CACHED flag to transfer buffer

Significantly speeds up downloads on devices without host mapping.
---
 libavutil/hwcontext_vulkan.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 05e078e7d9..a022eda93b 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -3541,7 +3541,8 @@ static int get_plane_buf(AVHWFramesContext *hwfc, AVBufferRef **dst,
                                   VK_BUFFER_USAGE_TRANSFER_SRC_BIT |
                                   VK_BUFFER_USAGE_TRANSFER_DST_BIT,
                                   NULL, buf_offset,
-                                  VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
+                                  VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
+                                  VK_MEMORY_PROPERTY_HOST_CACHED_BIT);
     if (err < 0)
         return err;