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Henrik RydgårdandClaude Opus 5.5
0274b10e4c
IsLargerThanHalf's non-SIMD loop assigned instead of or-ing, so only blue counted: a yellow or red light gave no diffuse or specular on riscv64 and loongarch64 (gpu/commands/light, gpu/exact/lighting and curves failed there). The NEON version took a channel of 1 for none; it now agrees with SSE, which counts any channel above zero. 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.