!!ARBvp1.0 # ----------------------------------------------------------------------------- # Copyright 2005 by University of Utah # # This program fixes perspective-correct texture lookups # ----------------------------------------------------------------------------- ATTRIB iPos = vertex.position; ATTRIB iTex0 = vertex.texcoord[0]; PARAM mvp[4] = { state.matrix.mvp }; PARAM mv[4] = { state.matrix.modelview }; OUTPUT oPos = result.position; OUTPUT oTex0 = result.texcoord[0]; OUTPUT oTex1 = result.texcoord[1]; # ----------------------------------------------------------------------------- # transform vertex to clip coordinates DP4 oPos.x, mvp[0], iPos; DP4 oPos.y, mvp[1], iPos; DP4 oPos.z, mvp[2], iPos; DP4 oPos.w, mvp[3], iPos; # ----------------------------------------------------------------------------- # transform vertex to eye coordinates DP4 oTex1.x, mv[0], iPos; DP4 oTex1.y, mv[1], iPos; DP4 oTex1.z, mv[2], iPos; # ----------------------------------------------------------------------------- # texcoord 0 contains the scalar data value MOV oTex0, iTex0; END