!!ARBvp1.0 # REQUIRE GL_NV_vertex_program2_option OPTION NV_vertex_program2; MOV result.position, vertex.position; MOV result.clip[0].x, vertex.texcoord[0]; # These are valid, but they do nothing. Only .x counts. MOV result.clip[0].y, vertex.texcoord[0]; MOV result.clip[0].z, vertex.texcoord[0]; MOV result.clip[0].w, vertex.texcoord[0]; END