[FFmpeg-devel] [PATCH 01/18] hwcontext_vulkan: disable descriptor buffer extension on Intel

From: Lynne <dev@lynne.ee>
To: ffmpeg-devel@ffmpeg.org
Cc: Lynne <dev@lynne.ee>
Subject: [FFmpeg-devel] [PATCH 01/18] hwcontext_vulkan: disable descriptor buffer extension on Intel
Date: Sat, 12 Apr 2025 09:22:32 +0200
Message-ID: <20250412072256.77815-1-dev@lynne.ee> (raw)

Temporary workaround. Will be replaced with a version check once a fix is
in the works and a known next version for Mesa with a fix is known.
---
 libavutil/hwcontext_vulkan.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 319b71ed04..d11c0274d2 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -773,6 +773,11 @@ static int check_extensions(AVHWDeviceContext *ctx, int dev, AVDictionary *opts,
         tstr = optional_exts[i].name;
         found = 0;
 
+        /* Intel has had a bad descriptor buffer implementation for a while */
+        if (p->vkctx.driver_props.driverID == VK_DRIVER_ID_INTEL_OPEN_SOURCE_MESA &&
+            !strcmp(tstr, VK_EXT_DESCRIPTOR_BUFFER_EXTENSION_NAME))
+            continue;
+
         if (dev &&
             ((debug_mode == FF_VULKAN_DEBUG_VALIDATE) ||
              (debug_mode == FF_VULKAN_DEBUG_PRINTF) ||
-- 
2.47.2
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