struct VertexOut
{
	float4 VertexPosition		:POSITION;
	float2 TexCoord				:TEXCOORD;
};


/*
  Vertex program for cloud rendering 
*/
VertexOut VertexProgram( float4 Position :POSITION,
						float2 Texcoord: TEXCOORD
						)									
{
	VertexOut Out;	
	
	Out.VertexPosition=Position;
	Out.TexCoord=Texcoord;
	
	return Out;	
}

/*
  Fragment program for cloud rendering 
*/
float4 FragmentProgram(	VertexOut	In,
						uniform samplerRECT DirectIllumTexture,
						uniform samplerRECT IllumTexture,
						uniform float invmaxvalue):COLOR
{	
	float4 Color=texRECT(DirectIllumTexture,In.TexCoord)+texRECT(IllumTexture,In.TexCoord);	
	
	return Color;
}