From: Lynne <dev@lynne.ee>
To: ffmpeg-devel@ffmpeg.org
Cc: Lynne <dev@lynne.ee>
Subject: [FFmpeg-devel] [PATCH 1/2] hwcontext_vulkan: add workaround for BROKEN nvidia crap
Date: Tue, 17 Jun 2025 04:30:22 +0900
Message-ID: <20250616193040.2517489-1-dev@lynne.ee> (raw)
---
libavutil/hwcontext_vulkan.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 51be0c0d3b..f05b75110d 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -2828,6 +2828,12 @@ static int vulkan_frames_init(AVHWFramesContext *hwfc)
return err;
}
+ /* Nvidia is violating the spec because they thought no one would use this. */
+ if (p->dev_is_nvidia &&
+ (((fmt->nb_images == 1) && (fmt->vk_planes > 1)) ||
+ (av_pix_fmt_desc_get(hwfc->sw_format)->nb_components == 1)))
+ supported_usage &= ~VK_IMAGE_USAGE_HOST_TRANSFER_BIT;
+
/* Image usage flags */
if (!hwctx->usage) {
hwctx->usage = supported_usage & (VK_IMAGE_USAGE_TRANSFER_DST_BIT |
--
2.49.0
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next reply other threads:[~2025-06-16 19:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-16 19:30 Lynne [this message]
2025-06-16 19:30 ` [FFmpeg-devel] [PATCH 2/2] hwcontext_vulkan: enable unified image layouts Lynne
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