Add functions to support Standard Swizzle textures #145

Job	Run time
build (windows-2019, x64-Debug, amd64)	1m 22s
build (windows-2019, x64-Release, amd64)	2m 9s
build (windows-2022, x64-Debug, amd64)	1m 39s
build (windows-2022, x64-Release, amd64)	1m 58s
build (windows-2019, x86-Debug, amd64_x86)	1m 40s
build (windows-2019, x86-Release, amd64_x86)	1m 15s
build (windows-2022, x86-Debug, amd64_x86)	1m 41s
build (windows-2022, x86-Release, amd64_x86)	1m 48s
build (windows-2022, x64-Debug-Clang, amd64)	1m 58s
build (windows-2022, x64-Release-Clang, amd64)	2m 28s
build (windows-2022, x86-Debug-Clang, amd64_x86)	2m 50s
build (windows-2022, x86-Release-Clang, amd64_x86)	3m 0s
build (windows-2022, arm64-Debug, amd64_arm64)	1m 41s
build (windows-2022, arm64-Release, amd64_arm64)	2m 12s
build (windows-2022, arm64ec-Debug, amd64_arm64)	1m 56s
build (windows-2022, arm64ec-Release, amd64_arm64)	3m 5s
	32m 42s

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