Lines Matching refs:z0
612 GLfloat z0 = vLower->attrib[FRAG_ATTRIB_WPOS][2];615 GLfloat tmp = (z0 * FIXED_SCALE627 zLeft = (GLuint) (z0 + span.attrStepX[FRAG_ATTRIB_WPOS][2] * FixedToFloat(adjx)