backend: xrender: cache the present region #1167
Merged
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a workaround for #1166. it doesn't fix the underlying issue (that's not known and needs to be investigated and ideally fixed) but reduces the probability of it's appearance. lmk if i got too paranoid with various checks and some of them are not really needed 😅
x: add the x_set_region function
it sets an x region to a pixman region
backend: xrender: cache the present region
to avoid creating and destroying it every frame