[Bug 105496] Using a single-plane imageview from a multi-plane image is broken

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Mar 16 09:37:54 UTC 2018


--- Comment #1 from Lionel Landwerlin <lionel.g.landwerlin at linux.intel.com> ---
I think the mistake here is that you're using a single image with 2 different
view. This requires a compatible format between the 2 views. R8 &
G8_B8_R8_3PLANE_420 are not compatible.

The feature you want to use is VK_IMAGE_CREATE_ALIAS_BIT. You'll need to create
2 image & 2 views and have the 2 images share the same memory.

This is a bit confusing to be fair :) I had to reread the spec, even I
implemented this...

Consider running your application with the validation layers, it'll help
spotting potential mistakes like this.

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