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JAB-devandClaude Sonnet 5.5
d2a5895b8d
A merge into a multisampled 4_4_4_4 target runs the pixel shader once per sample. A shader that stores to guest memory, runs atomics or uses GDS would then repeat those writes for every covered sample. An 8-sample pixel would add to a counter eight times. Such a merge now throws. The recompile request carries the merge's sample count, not whether the guest asked for per-sample shading, so this also refuses shaders the guest iterates itself, where the console repeats the writes too. A recompile test checks that a 2-sample merging shader adding to a buffer counter throws, and that the same shader without the merge compiles. Co-Authored-By: Claude Sonnet 5.5 <[email protected]>