884              png_ptr->pass > 6)  in png_process_IDAT_data()
902              png_ptr->pass > 6)  in png_process_IDAT_data()
983       if (png_ptr->pass < 6)  in png_push_process_row()
984          png_do_read_interlace(&row_info, png_ptr->row_buf + 1, png_ptr->pass,  in png_push_process_row()
987     switch (png_ptr->pass)  in png_push_process_row()
992             for (i = 0; i < 8 && png_ptr->pass == 0; i++)  in png_push_process_row()
998             if (png_ptr->pass == 2) /* Pass 1 might be empty */  in png_push_process_row()
1000                for (i = 0; i < 4 && png_ptr->pass == 2; i++)  in png_push_process_row()
1007             if (png_ptr->pass == 4 && png_ptr->height <= 4)  in png_push_process_row()
1009                for (i = 0; i < 2 && png_ptr->pass == 4; i++)  in png_push_process_row()
1016             if (png_ptr->pass == 6 && png_ptr->height <= 4)  in png_push_process_row()
1028             for (i = 0; i < 8 && png_ptr->pass == 1; i++)  in png_push_process_row()
1034             if (png_ptr->pass == 2) /* Skip top 4 generated rows */  in png_push_process_row()
1036                for (i = 0; i < 4 && png_ptr->pass == 2; i++)  in png_push_process_row()
1050             for (i = 0; i < 4 && png_ptr->pass == 2; i++)  in png_push_process_row()
1056             for (i = 0; i < 4 && png_ptr->pass == 2; i++)  in png_push_process_row()
1062             if (png_ptr->pass == 4) /* Pass 3 might be empty */  in png_push_process_row()
1064                for (i = 0; i < 2 && png_ptr->pass == 4; i++)  in png_push_process_row()
1078             for (i = 0; i < 4 && png_ptr->pass == 3; i++)  in png_push_process_row()
1084             if (png_ptr->pass == 4) /* Skip top two generated rows */  in png_push_process_row()
1086                for (i = 0; i < 2 && png_ptr->pass == 4; i++)  in png_push_process_row()
1100             for (i = 0; i < 2 && png_ptr->pass == 4; i++)  in png_push_process_row()
1106             for (i = 0; i < 2 && png_ptr->pass == 4; i++)  in png_push_process_row()
1112             if (png_ptr->pass == 6) /* Pass 5 might be empty */  in png_push_process_row()
1125             for (i = 0; i < 2 && png_ptr->pass == 5; i++)  in png_push_process_row()
1131             if (png_ptr->pass == 6) /* Skip top generated row */  in png_push_process_row()
1146             if (png_ptr->pass != 6)  in png_push_process_row()
1198          png_ptr->pass++;  in png_read_push_finish_row()
1199          if ((png_ptr->pass == 1 && png_ptr->width < 5) ||  in png_read_push_finish_row()
1200              (png_ptr->pass == 3 && png_ptr->width < 3) ||  in png_read_push_finish_row()
1201              (png_ptr->pass == 5 && png_ptr->width < 2))  in png_read_push_finish_row()
1202             png_ptr->pass++;  in png_read_push_finish_row()
1204          if (png_ptr->pass > 7)  in png_read_push_finish_row()
1205             png_ptr->pass--;  in png_read_push_finish_row()
1207          if (png_ptr->pass >= 7)  in png_read_push_finish_row()
1211              png_pass_inc[png_ptr->pass] - 1 -  in png_read_push_finish_row()
1212              png_pass_start[png_ptr->pass]) /  in png_read_push_finish_row()
1213              png_pass_inc[png_ptr->pass];  in png_read_push_finish_row()
1219              png_pass_yinc[png_ptr->pass] - 1 -  in png_read_push_finish_row()
1220              png_pass_ystart[png_ptr->pass]) /  in png_read_push_finish_row()
1221              png_pass_yinc[png_ptr->pass];  in png_read_push_finish_row()
1247          (int)png_ptr->pass);  in png_push_have_row()