Shader Semantics

float3 g_LightDir : Direction;             // Light's direction in world space
float4 g_LightDiffuse : Diffuse;         // Light's diffuse color
float4 g_LightAmbient : Ambient;     // Light's ambient color

float4x4 g_mWorld   : World;           // World matrix for object
float4x4 g_mWorldIT : worldinversetranspose;
float4x4 g_mWorldView : WorldView;
float4x4 g_mViewProj : ViewProjection;
float4x4 g_mProjection : Projection;
float4x4 g_mWorldViewProjection : WorldViewProjection;  // World * View * Projection matrix
float4x4 g_mViewInverse : ViewInverse;
float3 g_upObjectSpace;

float3 g_LightDir : register(VC_LIGHT_DIR1);