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Initialize native NGG vertex launch state and wave size

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This commit is contained in:
nmzik
2026-09-21 09:49:46 +04:00
parent f9e56ef8a0
commit 476204cd4b
5 changed files with 69 additions and 0 deletions
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src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+6
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@@ -1225,6 +1225,12 @@ IR::Program TranslateProgram(const Decoder::Program& decoded, const CFG::Graph&
builtin(IR::StageInputKind::PackedAncillary));
}
} else if (options.stage == ShaderType::Vertex) {
// Vulkan owns primitive assembly; each vertex subgroup is one NGG wave.
// Keep its full lane extent: mbcnt(-1) uses lane ordinals, not active counts.
entry_ir.SetScalarReg(static_cast<IR::ScalarReg>(2),
IR::U32(IR::Value(options.wave_size << 12u)));
entry_ir.SetScalarReg(static_cast<IR::ScalarReg>(3),
IR::U32(IR::Value((1u << 28u) | options.wave_size)));
entry_ir.SetVectorReg(static_cast<IR::VectorReg>(5),
builtin(IR::StageInputKind::VertexIndex));
entry_ir.SetVectorReg(static_cast<IR::VectorReg>(8),