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cultmath README: name tools/glsl/build-glsl.sh and GLSL_DIR, not yet the owner of the committed GLSL

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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Meta Vens 2026-10-17 13:32:37 +02:00
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@ -189,6 +189,8 @@ CultMath keeps portable DXC outside git under `packages/cultmath/.tools/`:
-OutputPath E:\Projects\Odin\crates\muninn-move-tracker\artifacts\shader\MoveSphereCandidate.comp.metal
```
`tools/glsl/build-glsl.sh <outdir>` (Linux, repository root) builds the library GLSL from the HLSL with dxc, SPIRV-Cross and SPIRV-Tools and writes `core.glsl`, `cycles.glsl` and `phacelle.glsl` bodies into `<outdir>`. It does not yet own the committed GLSL; `GlslLowering` still does. `GLSL_DIR=<outdir> tools/device/run-lavapipe.sh` runs that output on lavapipe and compares it with the HLSL results bit for bit instead of judging the committed files.
`compile-hlsl.ps1` compiles both `CultMath.hlsl` copies as a `lib_6_3` library with the x64 DXC; a warning fails it too (`-WX`).
DXC emits Vulkan SPIR-V with `-spirv`. `-TargetEnv vulkan1.2` is exposed by the