[Bug 107059] vkCmdCopyImage - Double Optimize

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107059

Jason Ekstrand <jason at jlekstrand.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #5 from Jason Ekstrand <jason at jlekstrand.net> ---
Here's your problem:

> command_buffer.set_image_layout(
>     image,
>     VK_IMAGE_LAYOUT_UNDEFINED,
>     VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
>     subresource_range.clone(),
> );

The UNDEFINED layout doesn't mean "I don't know", it means "undefined
contents".  Transitioning an image from UNDEFINED to anything may discard or
corrupt its contents.

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