1530 static std::string to_string(const hwc_layer_1_t& hwcLayer,  in to_string()  argument
1538             hwc1CompositionString(hwcLayer.compositionType);  in to_string()
1540     if (hwcLayer.compositionType == HWC_BACKGROUND) {  in to_string()
1541         output << "  Color: " << colorString(hwcLayer.backgroundColor) << '\n';  in to_string()
1542     } else if (hwcLayer.compositionType == HWC_SIDEBAND) {  in to_string()
1543         output << "  Stream: " << hwcLayer.sidebandStream << '\n';  in to_string()
1545         output << "  Buffer: " << hwcLayer.handle << "/" <<  in to_string()
1546                 hwcLayer.acquireFenceFd << '\n';  in to_string()
1549     output << fill << "Display frame: " << rectString(hwcLayer.displayFrame) <<  in to_string()
1554         output << frectString(hwcLayer.sourceCropf) << '\n';  in to_string()
1556         output << rectString(hwcLayer.sourceCropi) << '\n';  in to_string()
1559     output << fill << "Transform: " << hwc1TransformString(hwcLayer.transform);  in to_string()
1560     output << "  Blend mode: " << hwc1BlendModeString(hwcLayer.blending);  in to_string()
1561     if (hwcLayer.planeAlpha != 0xFF) {  in to_string()
1562         output << "  Alpha: " << alphaString(hwcLayer.planeAlpha / 255.0f);  in to_string()
1566     if (hwcLayer.hints != 0) {  in to_string()
1568         if ((hwcLayer.hints & HWC_HINT_TRIPLE_BUFFER) != 0) {  in to_string()
1571         if ((hwcLayer.hints & HWC_HINT_CLEAR_FB) != 0) {  in to_string()
1577     if (hwcLayer.flags != 0) {  in to_string()
1579         if ((hwcLayer.flags & HWC_SKIP_LAYER) != 0) {  in to_string()
1582         if ((hwcLayer.flags & HWC_IS_CURSOR_LAYER) != 0) {  in to_string()