!!ARBvp1.0
# simple vertex shader to unwrap any shape with texture coordinates to
# fill the screen to grab into a new texture

PARAM scale = {61,61};
OUTPUT noiseInput = result.texcoord;

# pass scaled texture coordinate through as noise coordinate
MUL noiseInput, vertex.texcoord, scale;
MOV noiseInput.w, 1;

# Fill screen
MAD result.position,vertex.texcoord,{4,4,0},{-2,-2,1};

END