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fma-rc
b76ab1f6c0
A color target whose CB_COLOR_ATTRIB has more samples than fragments (4 samples, 1 fragment) was refused as EQAA. With one fragment, a write is kept only where sample 0 is covered, which is the truncated coverage reduction one-sample targets beside a multisampled depth target already use. Decode such a target as one sample, keep its coverage sample count, and take that path. Targets with more than one but fewer fragments than samples still throw. The host does not write the FMASK of these targets, so a guest FMASK read of one that was drawn on the host throws.