1308 bool isSameRect(const hwc_rect& rect1, const hwc_rect& rect2)  in isSameRect()  argument
1310    return ((rect1.left == rect2.left) && (rect1.top == rect2.top) &&  in isSameRect()
1311            (rect1.right == rect2.right) && (rect1.bottom == rect2.bottom));  in isSameRect()
1348 hwc_rect_t getIntersection(const hwc_rect_t& rect1, const hwc_rect_t& rect2)  in getIntersection()  argument
1352    if(!isValidRect(rect1) || !isValidRect(rect2)){  in getIntersection()
1357    res.left = max(rect1.left, rect2.left);  in getIntersection()
1358    res.top = max(rect1.top, rect2.top);  in getIntersection()
1359    res.right = min(rect1.right, rect2.right);  in getIntersection()
1360    res.bottom = min(rect1.bottom, rect2.bottom);  in getIntersection()
1369 hwc_rect_t getUnion(const hwc_rect &rect1, const hwc_rect &rect2)  in getUnion()  argument
1374       return rect2;  in getUnion()
1377    if(!isValidRect(rect2)){  in getUnion()
1381    res.left = min(rect1.left, rect2.left);  in getUnion()
1382    res.top = min(rect1.top, rect2.top);  in getUnion()
1383    res.right =  max(rect1.right, rect2.right);  in getUnion()
1384    res.bottom =  max(rect1.bottom, rect2.bottom);  in getUnion()
1391 hwc_rect_t deductRect(const hwc_rect_t& rect1, const hwc_rect_t& rect2) {  in deductRect()  argument
1395    if((rect1.left == rect2.left) && (rect1.right == rect2.right)) {  in deductRect()
1396       if((rect1.top == rect2.top) && (rect2.bottom <= rect1.bottom))  in deductRect()
1397          res.top = rect2.bottom;  in deductRect()
1398       else if((rect1.bottom == rect2.bottom)&& (rect2.top >= rect1.top))  in deductRect()
1399          res.bottom = rect2.top;  in deductRect()
1401    else if((rect1.top == rect2.top) && (rect1.bottom == rect2.bottom)) {  in deductRect()
1402       if((rect1.left == rect2.left) && (rect2.right <= rect1.right))  in deductRect()
1403          res.left = rect2.right;  in deductRect()
1404       else if((rect1.right == rect2.right)&& (rect2.left >= rect1.left))  in deductRect()
1405          res.right = rect2.left;  in deductRect()
2501 bool isPeripheral(const hwc_rect_t& rect1, const hwc_rect_t& rect2) {  in isPeripheral()  argument
2504     if (rect1.left == rect2.left)  in isPeripheral()
2506     if (rect1.top == rect2.top)  in isPeripheral()
2508     if (rect1.right == rect2.right)  in isPeripheral()
2510     if (rect1.bottom == rect2.bottom)  in isPeripheral()