In August this year we had a thread "h264 vulkan encoding" initiated by Andrea
https://lists.cinelerra-gg.org/pipermail/cin/2024-August/008517.html

Mesa 24.3 is released with many Vulkan Driver Improvement, and implementations are expected around the corner in rolling distributions.

Some articles about this in Phoronix
https://www.phoronix.com/news/Mesa-24.3-Released
https://www.phoronix.com/news/Mesa-24.3-rc2
https://www.phoronix.com/news/Mesa-24.3-rc1-Released
https://www.phoronix.com/news/Intel-Vulkan-Video-H264-H265

With ffmpeg (7.1) h264/5 vulkan encoder support, I wonder if Cingg is ready to put them into use?
 
ffmpeg -hide_banner -encoders | grep vulkan
 V....D h264_vulkan          H.264/AVC (Vulkan) (codec h264)
 V....D hevc_vulkan          H.265/HEVC (Vulkan) (codec hevc)