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


/*
  Vertex program for cloud rendering 
*/
VertexOut VertexProgram( float4 Position :POSITION,
						float4 Texcoord: TEXCOORD,
						uniform float4x4 ModelViewProj	:state.matrix.mvp
						)									
{
	VertexOut Out;	
	
	Out.VertexPosition=mul(ModelViewProj, Position);
	Out.TexCoord=Texcoord.xy;
	
	return Out;	
}

/*
  Fragment program for cloud rendering 
*/
float4 FragmentProgram(	VertexOut	In,
						uniform sampler2D Texture):COLOR
{
	float4 Color=float4(1,1,1,1);
	Color.a=tex2D(Texture,In.TexCoord)*0.25;
	return Color;
}