vs.1.1              // version instruction


// Transform the vertex position
dp4 oPos.x, v0, c[0]      // Matrix multiply row 0
dp4 oPos.y, v0, c[1]      // Matrix multiply row 1
dp4 oPos.z, v0, c[2]      // Matrix multiply row 2
dp4 oPos.w, v0, c[3]      // Matrix multiply row 3

//mov r0, -v0
sub r0, v0, c[5]            // r0 = vertex position - shadow center
//add r0, c[5], v0            // r0 = vertex position - shadow center
mul r0, r0, c[6]            // r0 = r0 / shadow radius
//sub r0, c[8], r0
add r0, r0, c[7]            // r0 = r0 + 0.5
mov oT0.xyz, r0.xzy

//add oT0.y, -r0.z, c[8].z
//mov oT0.y, -r0.z

// Apply lighting to the vertex color
mov oD0, c[4]     // Diffuse
//mov oT0, v2       // Texture coord