//
// File : Maya_phong_connecters.cgh
//

#if defined (LAYER_TWO) || defined(PASS_TEX1_ALPHA_UV)
	#define PASS_TEX1_UV
#endif


// Common vertex to fragment shader structure for Maya_phong_vertex and Maya_phong_fragment
//
struct MAYA_phong_vert2frag
{
    float4 hPosition            : POSITION;
    float4 wPosition            : TEXCOORD0;

#if defined(BUMP_MAP)
    float3 wNormal              : TEXCOORD1;
	float4 wTangent				: TEXCOORD3;
	float4 bumpTexUv			: TEXCOORD4;
#elif defined (OBJECT_NORMAL)
	float4 bumpTexUv			: TEXCOORD3;
#else
	float3 wNormal				: TEXCOORD1;
#endif // BUMP_MAP

#if defined(CONSTANT_COLOR)
#else    
	float4 colorTexUv			: TEXCOORD2;
	#if defined(PASS_TEX1_UV)
		// Note: superscedes diffuse texture
		//
		// Packed in uv for color texture in first 2 channels, and uv for 
		// alpha texture in the second 2 channels.
		float4 pass2TexUv	    : TEXCOORD7;	
	#endif
#endif	

#if defined(CONSTANT_SPECULAR)
#else
	float4 specTexUv			: TEXCOORD5;
#endif	

	float4 transpTexUv			: TEXCOORD6;	

#if defined(CONSTANT_DIFFUSE)
#else
	float4 diffuseTexUv			: TEXCOORD7;
#endif	


#if defined(COLOR_PER_VERTEX)
	// Optional color per vertex
	float4	colorPerVertex		: COLOR0;
#endif // COLOR_PER_VERTEX

#if defined(COLOR_PER_VERTEX_SPECULAR)
	// Optional color per vertex
	float4	colorPerVertex		: COLOR0;
#endif // COLOR_PER_VERTEX_SPECULAR

#if defined(COLOR_PER_VERTEX_MASK)
	// Optional color per vertex mask, mapped to
	// user attribute 0
	float colorPerVertexMask;
#endif	

#if defined(TWO_SIDED_LIGHTING)
	float4	frontColor		: COLOR1; // Secondary front color
	float4	backColor		: BCOL1;  // Seondary back color
#endif
};