Add functions to support Standard Swizzle textures #146

Job	Run time
build (windows-2019, x64-Debug, amd64)	2m 55s
build (windows-2019, x64-Release, amd64)	2m 35s
build (windows-2022, x64-Debug, amd64)	2m 0s
build (windows-2022, x64-Release, amd64)	1m 7s
build (windows-2019, x86-Debug, amd64_x86)	3m 2s
build (windows-2019, x86-Release, amd64_x86)	3m 3s
build (windows-2022, x86-Debug, amd64_x86)	2m 8s
build (windows-2022, x86-Release, amd64_x86)	2m 5s
build (windows-2022, x64-Debug-Clang, amd64)	1m 45s
build (windows-2022, x64-Release-Clang, amd64)	2m 13s
build (windows-2022, x86-Debug-Clang, amd64_x86)	2m 23s
build (windows-2022, x86-Release-Clang, amd64_x86)	2m 33s
build (windows-2022, arm64-Debug, amd64_arm64)	1m 7s
build (windows-2022, arm64-Release, amd64_arm64)	2m 23s
build (windows-2022, arm64ec-Debug, amd64_arm64)	1m 4s
build (windows-2022, arm64ec-Release, amd64_arm64)	2m 23s
	34m 46s

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