use correct address computation for image descriptor buffer #2333

Job	Run time
Build Ubuntu with Direct To Display	4m 13s
Build windows in Debug	28m 56s
Build Android in Debug	8m 23s
Build windows in Release	30m 15s
Build ubuntu in Debug	14m 56s
Build ubuntu in Release	15m 2s
Build macos in Debug	6m 14s
Build macos in Release	3m 53s
	1h 51m 52s

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