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ppsspp/GPU/Software
Henrik RydgårdandClaude Opus 5.5 74e2c8f7ee SoftGPU: Self-texturing primitives sample the texture as it was before them
The GE samples through its texture cache, so a primitive that textures from
its own render target mostly reads the old contents (geprobe exp81, exp159,
exp160). Give each such primitive a snapshot, refreshing only the rows the
previous one drew.

3rd Birthday (ULUS10567) bloom becomes exact on PSP replays, Burnout
Dominator's glare 93% -> 98% and Ridge Racer's blur 40% -> 94% of pixels.
The remaining differences are rows where the cache's lazily loaded 8-row
blocks already see the primitive's own writes.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-02 15:09:43 -06:00
..

To get to 100% compatibility, we will need a software renderer as there are games out there that do tricks
that can't really be faked in a sensible way. Useful for homebrew too that mix sw and accel rendering.