Add functions to support Standard Swizzle textures #157

Job	Run time
build (windows-2019, x64-Debug, amd64)	1m 36s
build (windows-2019, x64-Release, amd64)	1m 58s
build (windows-2022, x64-Debug, amd64)	2m 57s
build (windows-2022, x64-Release, amd64)	2m 15s
build (windows-2019, x86-Debug, amd64_x86)	1m 43s
build (windows-2019, x86-Release, amd64_x86)	1m 43s
build (windows-2022, x86-Debug, amd64_x86)	1m 59s
build (windows-2022, x86-Release, amd64_x86)	2m 12s
build (windows-2022, x64-Debug-Clang, amd64)	1m 48s
build (windows-2022, x64-Release-Clang, amd64)	2m 51s
build (windows-2022, x86-Debug-Clang, amd64_x86)	2m 7s
build (windows-2022, x86-Release-Clang, amd64_x86)	2m 21s
build (windows-2022, arm64-Debug, amd64_arm64)	2m 3s
build (windows-2022, arm64-Release, amd64_arm64)	1m 56s
build (windows-2022, arm64ec-Debug, amd64_arm64)	1m 3s
build (windows-2022, arm64ec-Release, amd64_arm64)	2m 19s
	32m 51s

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