9578b47af3
Lower FRAG_RESULT_DEPTH and FRAG_RESULT_STENCIL writes to a combnied zs_emit instruction with a multisampling index. To be used in the following commit. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20365>