Alyssa Rosenzweig
050b934a24
This commit does a fairly large cleanup of blend descriptors, although there should not be any functional changes. In particular, we split apart the Midgard and Bifrost blend descriptors, since they are radically different. From there, we can identify that the Midgard descriptor as previously written was really two render targets' descriptors stuck together. From this observation, we split the Midgard descriptor into what a single RT actually needs. This enables us to correctly dump blending configuration for MRT samples on Midgard. It also allows the Midgard and Bifrost blend code to peacefully coexist, with runtime selection rather than a #ifdef. So, as a bonus, this will help the future Bifrost effort, eliminating one major source of compile-time architectural divergence. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
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