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Henrik RydgårdandClaude Opus 5.5
9cbce22773
DrawSpanVector now covers everything but logic ops and the signed blend factors. Stencil tests pick the SFail, ZFail or ZPass op per lane, and lanes that only get a new stencil keep their old color. Pixels are read and written in the framebuffer's own format, converting the whole span at once, and a span with all four pixels drawn is stored in one go. Only drawn pixels are written: spans are aligned in screen coordinates, so with a draw offset one can reach into a tile another thread is drawing. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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.