GlslLowering (test project) is the HLSL -> GLSL ES 3.00 transformation as named steps: includes
inlined by the C# mirror's own resolver, guards and texture functions dropped, type names,
static const, casts by a balanced scanner, intrinsic renames, literals passed through, the
CULTMATH_GLSL guard and a provenance line. GlslMirrorTests pins the committed file to the
lowering (CULTMATH_WRITE_GLSL=1 regenerates it), finds no HLSL-only token, finds every public
function but the texture samplers, and pins fixtures/glsl-parity.json (256 seeded cases per
family as float32 bit patterns) to C#.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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