Simplify super-resolution initialization #4319

Job	Run time
Linux -> Pre-checks	20s
Linux -> Clang-NO_GLSLANG-NO_HLSL-x64, Release	6m 41s
Linux -> Clang-NO_GLSLANG-x64, Debug	8m 15s
Linux -> Clang-x64, Debug	13m 25s
Linux -> GCC-x64, Release	10m 51s
Linux -> Clang-x64, Release	13m 31s
Linux -> GCC-x64, Debug	12m 15s
	1h 5m 18s

Provide feedback