Resolves assertion for EEVEE Next motion
blur wherein a swizzled texture used in an
image binding loses write-access. We
instead must bind the source texture
for image write operations.
This is now consistent with expected
behaviour in other APIs.
Authored by Apple: Michael Parkin-White
Pull Request: https://projects.blender.org/blender/blender/pulls/117479
d1a9c2f650