From 4b1c6f8b33bdd7b8a72a0c1155d837c8f7889447 Mon Sep 17 00:00:00 2001
From: Sungtak Lee <taklee@google.com>
Date: Mon, 24 Apr 2023 17:51:45 +0000
Subject: Add toString() to HardwareBuffer

Bug: 283474351
Test: m
Change-Id: I7452fd53876eacb0a062d5a5c601594de2190ee1
Merged-In: I7452fd53876eacb0a062d5a5c601594de2190ee1
---
 libs/nativewindow/include/android/hardware_buffer_aidl.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libs/nativewindow/include/android/hardware_buffer_aidl.h b/libs/nativewindow/include/android/hardware_buffer_aidl.h
index 1659d54539..e269f0dddf 100644
--- a/libs/nativewindow/include/android/hardware_buffer_aidl.h
+++ b/libs/nativewindow/include/android/hardware_buffer_aidl.h
@@ -34,6 +34,10 @@
 #include <android/hardware_buffer.h>
 #include <sys/cdefs.h>
 
+#ifdef __cplusplus
+#include <string>
+#endif
+
 __BEGIN_DECLS
 
 /**
@@ -142,6 +146,15 @@ public:
         return ret;
     }
 
+    inline std::string toString() const {
+        if (!mBuffer) {
+            return "<HardwareBuffer: Invalid>";
+        }
+        uint64_t id = 0;
+        AHardwareBuffer_getId(mBuffer, &id);
+        return "<HardwareBuffer " + std::to_string(id) + ">";
+    }
+
 private:
     HardwareBuffer(const HardwareBuffer& other) = delete;
     HardwareBuffer& operator=(const HardwareBuffer& other) = delete;
-- 
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