hwc: Add support for external-only layers
Add support for different types of external-only layers
EXTERNAL_ONLY: General purpose
EXTERNAL_BLOCK: Blocks the display of other ext-only layers
EXTERNAL_CC: Used for closed captions with videos.
Change-Id: I9cc7b9a1dbf1085194725474d6a4d1094e27a0c8
Acked-by: Saurabh Shah <saurshah@codeaurora.org>
diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index 9ce0815..71c1f73 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -90,6 +90,21 @@
return (hnd && (private_handle_t::PRIV_FLAGS_HWC_LOCK & hnd->flags));
}
+//Return true if buffer is for external display only
+static inline bool isExtOnly(const private_handle_t* hnd) {
+ return (hnd && (hnd->flags & private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY));
+}
+
+//Return true if buffer is for external display only with a BLOCK flag.
+static inline bool isExtBlock(const private_handle_t* hnd) {
+ return (hnd && (hnd->flags & private_handle_t::PRIV_FLAGS_EXTERNAL_BLOCK));
+}
+
+//Return true if buffer is for external display only with a Close Caption flag.
+static inline bool isExtCC(const private_handle_t* hnd) {
+ return (hnd && (hnd->flags & private_handle_t::PRIV_FLAGS_EXTERNAL_CC));
+}
+
// Initialize uevent thread
void init_uevent_thread(hwc_context_t* ctx);