libui: log an error on allocation failure

This was on the gralloc0/gralloc1 path, but was missing from the HIDL
gralloc path.

Bug: 37444686
Test: allocate an invalid buffer
Change-Id: If1ea0e27c228d82abbcd6f6290eb8fee423828e7

diff --git a/libs/ui/GraphicBufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
index 9beed0e..11f0250 100644 (file)
--- a/libs/ui/GraphicBufferAllocator.cpp
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -137,6 +137,10 @@ status_t GraphicBufferAllocator::allocate(uint32_t width, uint32_t height,
 
         return NO_ERROR;
     } else {
+        ALOGE("Failed to allocate (%u x %u) layerCount %u format %d "
+                "producerUsage %" PRIx64 " consumerUsage %" PRIx64 ": %d",
+                width, height, layerCount, format, producerUsage,
+                consumerUsage, error);
         return NO_MEMORY;
     }
 }