gpu/utils: always use host RAM for texture transfers

Fixes https://github.com/mpv-player/mpv/issues/12517

approved this merge request

added 12 commits

• eb30f254...b2ddc5c6 - 10 commits from branch videolan:master
• 9414fe69 - shaders/lut: attach debug tag to LUT allocations
• 5c53adc9 - gpu/utils: always use host RAM for texture transfers

Compare with previous version

unapproved this merge request

Decided this is not the correct approach. (I will cherry-pick the first commit though)

closed