The only thing missing from this CL is that we need to bake the
ycbcr conversion samplers into the VkPipeline when we create it. As that
is a larger change, that will be broken up into a few follow on CLs.
Currently this only supports ycbcr conversion samplers when used with
external textures.
Bug: skia:
Change-Id: I23e95b19469093072589ebbbfb7926ab79dcdea9
Reviewed-on: https://skia-review.googlesource.com/c/164602
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
6cd74900da