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codingreapermapsandClaude Opus 5.5 191c8a8d2b feat(agc): run DB depth copies into a single-sample R32 float target
A draw with DB_RENDER_CONTROL.DEPTH_COPY copies one sample of the
Z_32_FLOAT depth surface into color target 0. It now runs as a compute
pass that fetches that sample and stores it into the R32 float target,
when the draw covers the whole surface without depth or stencil tests.
With COPY_CENTROID the sample is the first one the draw covers, which is
sample 0 under the full sample mask the driver requires, as radeonsi
programs its per-sample DB to CB copies.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-21 08:03:33 +00:00
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