SetInlineConstants support for OpenGL #3968

Job	Run time
Linux -> Pre-checks	15s
Linux -> Clang-x64, Release	12m 39s
Linux -> GCC-x64, Release	10m 54s
Linux -> GCC-x64, Debug	11m 9s
Linux -> Clang-NO_GLSLANG-NO_HLSL-x64, Release	6m 47s
Linux -> Clang-NO_GLSLANG-x64, Debug	8m 8s
Linux -> Clang-x64, Debug	12m 48s
	1h 2m 40s

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