hwc: Add binder interface to get the visibleRegion
- This binder interface can be used by clients to know the
active visible region for a display(pri/ext/virt)
- When external orientation is used, return the destFrame of
the FrameBuffer layer, as its the viewFrame
Change-Id: I7cfd149c76c16b9a3031103c89b1932d44bcbecd
diff --git a/libqdutils/display_config.cpp b/libqdutils/display_config.cpp
index eaf5384..45b0211 100644
--- a/libqdutils/display_config.cpp
+++ b/libqdutils/display_config.cpp
@@ -91,4 +91,26 @@
ALOGE("%s: Failed to get external status err=%d", __FUNCTION__, err);
return err;
}
+
+int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect) {
+ status_t err = FAILED_TRANSACTION;
+ sp<IQService> binder = getBinder();
+ Parcel inParcel, outParcel;
+ inParcel.writeInt32(dpy);
+ if(binder != NULL) {
+ err = binder->dispatch(IQService::GET_DISPLAY_VISIBLE_REGION,
+ &inParcel, &outParcel);
+ }
+ if(!err) {
+ rect.left = outParcel.readInt32();
+ rect.top = outParcel.readInt32();
+ rect.right = outParcel.readInt32();
+ rect.bottom = outParcel.readInt32();
+ } else {
+ ALOGE("%s: Failed to getVisibleRegion for dpy =%d: err = %d",
+ __FUNCTION__, dpy, err);
+ }
+ return err;
+}
+
}; //namespace
diff --git a/libqdutils/display_config.h b/libqdutils/display_config.h
index c7d8ce9..29edbef 100644
--- a/libqdutils/display_config.h
+++ b/libqdutils/display_config.h
@@ -29,6 +29,7 @@
#include <gralloc_priv.h>
#include <qdMetaData.h>
#include <mdp_version.h>
+#include <hardware/hwcomposer.h>
// This header is for clients to use to set/get global display configuration
// The functions in this header run in the client process and wherever necessary
@@ -69,4 +70,7 @@
// Returns 0 on success, negative values on errors
int setHSIC(int dpy, const HSICData_t& hsic_data);
+// get the active visible region for the display
+// Returns 0 on success, negative values on errors
+int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect);
}; //namespace