Fix code statement indentations
Extract the commits from https://gitlab.freedesktop.org/olv/venus-protocol/-/merge_requests/41 here. Mostly about migrating hardcoded indents to be dynamic, making the code more prepared to be placed in conditions, etc.
- vkr: virglrenderer!999 (closed)
- mesa: zzyiwei/mesa@8a31c6ba not worth a MR, so defer to the next driver side change
Edited by Yiwei Zhang