In trying to integrate the new gralloc_handle.h with the drm_hwcomposer, I started seeing the following compilation errors:
In file included from external/drm_hwcomposer/platformdrmgeneric.cpp:28: external/libdrm/android/gralloc_handle.h:108:9: error: cannot initialize return object of type 'native_handle_t *' (aka 'native_handle *') with an lvalue of type 'struct gralloc_handle_t *' return handle; ^~~~~~ 1 error generated.
This seems to be due to the gralloc_handle_create() definition claiming to return a native_handle_t * type, rather then a gralloc_handle_t *, which is what the code actually returns.
This function isn't actually used in the current drm_hwcomposer, so I'm not totally sure that this fix is correct (rather then returning the gralloc_handle_t's embadedded native_handle_t ptr).
But it seems something like this is needed.
Cc: Robert Foss robert.foss@collabora.com Cc: Rob Herring robh@kernel.org Signed-off-by: John Stultz john.stultz@linaro.org --- android/gralloc_handle.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/android/gralloc_handle.h b/android/gralloc_handle.h index 9cb5a5d..6e925c9 100644 --- a/android/gralloc_handle.h +++ b/android/gralloc_handle.h @@ -84,7 +84,7 @@ static inline struct gralloc_handle_t *gralloc_handle(buffer_handle_t handle) /** * Create a buffer handle. */ -static inline native_handle_t *gralloc_handle_create(int32_t width, +static inline gralloc_handle_t *gralloc_handle_create(int32_t width, int32_t height, int32_t hal_format, int32_t usage) @@ -107,5 +107,4 @@ static inline native_handle_t *gralloc_handle_create(int32_t width,
return handle; } - #endif