Lines Matching defs:x1
45 GLfloat x1, y1; /* end */
79 * Input: (x0, y0) and (x1,y1) are the endpoints of the line.
89 compute_plane(GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1,
94 const GLfloat px = x1 - x0;
110 const GLfloat px = x1 - x0;
345 const GLfloat x1 = line->x0 + t1 * line->dx;
353 line->qx2 = x1 + line->yAdj;
355 line->qx3 = x1 - line->yAdj;
372 if (x0 < x1) {
374 xRight = x1 + line->halfWidth;
385 xLeft = x1 - line->halfWidth;
434 xLeft = x1 - 3.0F * line->halfWidth;
435 xRight = x1 + line->halfWidth;
438 xLeft = x1 - line->halfWidth;
439 xRight = x1 + 3.0F * line->halfWidth;
