commit e9fbd8d626a22b58efd6d600662a9341e664400e
author Roman Stratiienko <roman.o.stratiienko@globallogic.com> Mon Feb 21 13:03:29 2022 +0200
committer Roman Stratiienko <roman.o.stratiienko@globallogic.com> Tue May 17 10:35:29 2022 +0300
tree bcdd69d97a71b478c4b75da83c3ea266869fa1fe
parent 1cbaaf9eeba7ba5421674ff5fb41174862b73866

drm_hwcomposer: Set return type to std::optional for BufferInfoGetters

This is a bit of code modernization. Further changes will require indication
that buffer_info is valid, and using std::optional is the most correct
approach to do that.

Signed-off-by: Roman Stratiienko <roman.o.stratiienko@globallogic.com>

bufferinfo/BufferInfoGetter.h

diff --git a/bufferinfo/BufferInfoGetter.h b/bufferinfo/BufferInfoGetter.h
index d86a5b4..4d35faa 100644
--- a/bufferinfo/BufferInfoGetter.h
+++ b/bufferinfo/BufferInfoGetter.h
@@ -20,6 +20,8 @@
 #include <drm/drm_fourcc.h>
 #include <hardware/gralloc.h>
 
+#include <optional>
+
 #include "BufferInfo.h"
 #include "drm/DrmDevice.h"
 
@@ -33,7 +35,8 @@
  public:
   virtual ~BufferInfoGetter() = default;
 
-  virtual int ConvertBoInfo(buffer_handle_t handle, BufferInfo *bo) = 0;
+  virtual auto GetBoInfo(buffer_handle_t handle)
+      -> std::optional<BufferInfo> = 0;
 
   bool IsHandleUsable(buffer_handle_t handle);