Factorized Push Data

Assets/source/RootConstants.hlsl

@@ -11,6 +11,11 @@ cbuffer RootConstants : register(b0, space0)
     uint     _Padding;     // Padding for alignment
     float2   Scale;        // 2D scale factor
     float2   Translate;    // 2D translation
+    
+    float3   LightDirection;  // Normalized, world-space
+    float    LightPad;
+    float3   LightColor;
+    float    AmbientIntensity;
 };