[idd/client] correct HDR luminance when PQ conversion is in use

2026-07-16 04:12:03 +00:00 · 2026-07-16 09:28:01 +10:00
parent 1b3305e1dc
commit e8dcbddea0
2 changed files with 13 additions and 3 deletions
--- a/idd/LGIdd/effect/CHDR16to10Effect.h
+++ b/idd/LGIdd/effect/CHDR16to10Effect.h
@@ -18,8 +18,8 @@ class CHDR16to10Effect : public CComputeEffect
 private:
  struct Consts
  {
-    float ReferenceWhiteNits; // scRGB reference white in nits (typically 80)
-  } m_consts = { 80.0f };
+    float ReferenceWhiteNits; // scRGB reference white in nits (BT.2408 recommends 203)
+  } m_consts = { 203.0f };
  ComPtr<ID3D12Resource> m_constBuffer;

 public: