Quoting Lynne (2023-05-11 18:40:54) > May 11, 2023, 18:05 by an...@khirnov.net: > > > Quoting Lynne (2023-04-24 17:56:38) > > > >> From c50347a552f5c7c2e3fcf20ef9a1ad4f1a419918 Mon Sep 17 00:00:00 2001 > >> From: Lynne <d...@lynne.ee> > >> Date: Wed, 23 Nov 2022 20:32:49 +0100 > >> Subject: [PATCH 27/97] hwcontext_vulkan: remove contiguous memory hack > >> > > > > This needs a lot more context. > > > > What was the hack, why was it added, why is it being removed and what > > will be affected by that. > > > > The hack was added to enable exporting of vulkan images to DRM. > On Intel hardware, specifically for DRM images, all planes must be > allocated next to each other, due to hardware limitation, so the hack > used a single large allocation and suballocated all planes from it. > > By natively supporting multiplane images, the driver is what decides > the layout, so exporting just works. > > It's a hack because it conflicted heavily with image allocation, and > with the whole ecosystem in general, before multiplane images were > supported, which just made it redundant. > > This is also the commit which broke the hwcontext hardest and prompted > the entire rewrite in the first place.
So take this paragraph and put it in the commit message. -- Anton Khirnov _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
