Add functions to support Standard Swizzle textures #152

Job	Run time
build (windows-2019, x64-Debug, amd64)	2m 18s
build (windows-2019, x64-Release, amd64)	2m 35s
build (windows-2022, x64-Debug, amd64)	1m 9s
build (windows-2022, x64-Release, amd64)	1m 37s
build (windows-2019, x86-Debug, amd64_x86)	2m 34s
build (windows-2019, x86-Release, amd64_x86)	2m 45s
build (windows-2022, x86-Debug, amd64_x86)	2m 19s
build (windows-2022, x86-Release, amd64_x86)	2m 14s
build (windows-2022, x64-Debug-Clang, amd64)	3m 14s
build (windows-2022, x64-Release-Clang, amd64)	3m 5s
build (windows-2022, x86-Debug-Clang, amd64_x86)	2m 28s
build (windows-2022, x86-Release-Clang, amd64_x86)	2m 28s
build (windows-2022, arm64-Debug, amd64_arm64)	2m 24s
build (windows-2022, arm64-Release, amd64_arm64)	1m 21s
build (windows-2022, arm64ec-Debug, amd64_arm64)	2m 34s
build (windows-2022, arm64ec-Release, amd64_arm64)	2m 50s
	37m 55s

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