struct VertexOut
{
	float4 Position				:POSITION;
	float4 Color				:COLOR0;
	float2 TexCoord				:TEXCOORD;
	float error					:TEXCOORD1;
	float ID						:TEXCOORD2;
	float PSize					:PSIZE;
};


VertexOut VertexProgram(
		  float4 Position   : POSITION,
          float ID			: TEXCOORD0,
          float4 Color		: COLOR0,         			
          uniform float4 PSize : state.point.size,
          uniform float4x4 modelView : state.matrix.modelview,
          uniform float4x4 modelViewProj:state.matrix.mvp			
          )
{
	VertexOut Out;
	Out.ID=ID;
	Out.Color=Color;
	 
   float4 pos_eye = mul(modelView, Position);
    float dist = length(pos_eye.xyz);
    Out.PSize =PSize.x*sqrt(1.0 / (1 + dist*dist));
		
	Out.Position = mul(modelViewProj, Position);    
	
    return Out;
}

float4 FragmentProgram(VertexOut In,
					uniform sampler2D BbTexture,
					uniform samplerRECT IllumTex,
					uniform samplerRECT DirectIllum,
					uniform float4 EyeDirsWeights ) : COLOR
{
	
		float4 Color=float4(0,0,0,0);
				
		int newID=round(In.ID);
		int newDir=round(EyeDirsWeights.x);
		int newDir2=round(EyeDirsWeights.y);
		
		
		Color+=texRECT(IllumTex,float2(newID,newDir)).r;
		//Color+=texRECT(IllumTex,float2(newID,newDir2)).r*EyeDirsWeights.w;
		
		Color+=texRECT(DirectIllum,float2(newID,newDir)).r;
		//Color+=texRECT(DirectIllum,float2(newID,newDir2)).r*EyeDirsWeights.w;
		
		
		//Color=texRECT(DirectIllum,float2(newID,0));
		
		Color.a=tex2D(BbTexture, In.TexCoord.xy).r;
		
		return  Color;
   
   
        
}