Add functions to support Standard Swizzle textures #155

Job	Run time
build (windows-2019, x64-Debug, amd64)	1m 52s
build (windows-2019, x64-Release, amd64)	1m 34s
build (windows-2022, x64-Debug, amd64)	2m 28s
build (windows-2022, x64-Release, amd64)	1m 41s
build (windows-2019, x86-Debug, amd64_x86)	2m 0s
build (windows-2019, x86-Release, amd64_x86)	2m 21s
build (windows-2022, x86-Debug, amd64_x86)	1m 54s
build (windows-2022, x86-Release, amd64_x86)	2m 17s
build (windows-2022, x64-Debug-Clang, amd64)	2m 45s
build (windows-2022, x64-Release-Clang, amd64)	3m 43s
build (windows-2022, x86-Debug-Clang, amd64_x86)	2m 47s
build (windows-2022, x86-Release-Clang, amd64_x86)	2m 50s
build (windows-2022, arm64-Debug, amd64_arm64)	1m 35s
build (windows-2022, arm64-Release, amd64_arm64)	2m 24s
build (windows-2022, arm64ec-Debug, amd64_arm64)	2m 20s
build (windows-2022, arm64ec-Release, amd64_arm64)	1m 50s
	36m 21s

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