1430 static std::string to_string(const hwc_layer_1_t& hwcLayer,  in to_string()  argument
1437             hwc1CompositionString(hwcLayer.compositionType);  in to_string()
1439     if (hwcLayer.compositionType == HWC_BACKGROUND) {  in to_string()
1440         output << "  Color: " << colorString(hwcLayer.backgroundColor) << '\n';  in to_string()
1441     } else if (hwcLayer.compositionType == HWC_SIDEBAND) {  in to_string()
1442         output << "  Stream: " << hwcLayer.sidebandStream << '\n';  in to_string()
1444         output << "  Buffer: " << hwcLayer.handle << "/" <<  in to_string()
1445                 hwcLayer.acquireFenceFd << '\n';  in to_string()
1448     output << fill << "Display frame: " << rectString(hwcLayer.displayFrame) <<  in to_string()
1453         output << frectString(hwcLayer.sourceCropf) << '\n';  in to_string()
1455         output << rectString(hwcLayer.sourceCropi) << '\n';  in to_string()
1458     output << fill << "Transform: " << hwc1TransformString(hwcLayer.transform);  in to_string()
1459     output << "  Blend mode: " << hwc1BlendModeString(hwcLayer.blending);  in to_string()
1460     if (hwcLayer.planeAlpha != 0xFF) {  in to_string()
1461         output << "  Alpha: " << alphaString(hwcLayer.planeAlpha / 255.0f);  in to_string()
1465     if (hwcLayer.hints != 0) {  in to_string()
1467         if ((hwcLayer.hints & HWC_HINT_TRIPLE_BUFFER) != 0) {  in to_string()
1470         if ((hwcLayer.hints & HWC_HINT_CLEAR_FB) != 0) {  in to_string()
1476     if (hwcLayer.flags != 0) {  in to_string()
1478         if ((hwcLayer.flags & HWC_SKIP_LAYER) != 0) {  in to_string()
1481         if ((hwcLayer.flags & HWC_IS_CURSOR_LAYER) != 0) {  in to_string()