fallback: bindless texture sampling #3352

Job	Run time
Ubuntu / Release / gcc	24m 3s
macOS / Release / homebrew-clang	7m 18s
Ubuntu / Debug / gcc	18m 11s
macOS / Debug / homebrew-clang	5m 21s
Ubuntu / Release / clang	17m 59s
macOS / Release / system-clang	5m 42s
Ubuntu / Debug / clang	13m 39s
macOS / Debug / system-clang	4m 28s
Windows / Release / cl	22m 12s
Windows / Release / clang	27m 48s
Windows / Release / clang-cl	25m 58s
Windows / Debug / cl	21m 38s
Windows / Debug / clang	22m 1s
Windows / Debug / clang-cl	23m 57s
	4h 0m 15s

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