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-rw-r--r--hwc3/impl/HalImpl.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/hwc3/impl/HalImpl.cpp b/hwc3/impl/HalImpl.cpp
index 240edff..1a56cfa 100644
--- a/hwc3/impl/HalImpl.cpp
+++ b/hwc3/impl/HalImpl.cpp
@@ -163,11 +163,13 @@ void HalImpl::getCapabilities(std::vector<Capability>* caps) {
}
void HalImpl::dumpDebugInfo(std::string* output) {
- uint32_t count = 0;
- mDevice->dump(&count, nullptr);
+ if (output == nullptr) return;
+
+ String8 result;
+ mDevice->dump(result);
- output->resize(count);
- mDevice->dump(&count, output->data());
+ output->resize(result.size());
+ output->assign(result.c_str());
}
void HalImpl::registerEventCallback(EventCallback* callback) {