Fix implementation of ANW_read/write parcel
Bug: 268427650
Test: atest android.graphics.cts.ANativeWindowTest
Change-Id: I19d7390998edbad960fe8812ec1d57e5a725b4e6
Merged-In: I19d7390998edbad960fe8812ec1d57e5a725b4e6
diff --git a/libs/gui/view/Surface.cpp b/libs/gui/view/Surface.cpp
index 1bfe462..198908d 100644
--- a/libs/gui/view/Surface.cpp
+++ b/libs/gui/view/Surface.cpp
@@ -16,17 +16,59 @@
#define LOG_TAG "Surface"
-#include <gui/view/Surface.h>
-
+#include <android/binder_libbinder.h>
+#include <android/binder_parcel.h>
+#include <android/native_window.h>
#include <binder/Parcel.h>
-
-#include <utils/Log.h>
-
#include <gui/IGraphicBufferProducer.h>
+#include <gui/Surface.h>
+#include <gui/view/Surface.h>
+#include <system/window.h>
+#include <utils/Log.h>
namespace android {
namespace view {
+// Since this is a parcelable utility and we want to keep the wire format stable, only build this
+// when building the system libgui to detect any issues loading the wrong libgui from
+// libnativewindow
+
+#if (!defined(__ANDROID_APEX__) && !defined(__ANDROID_VNDK__))
+
+extern "C" status_t android_view_Surface_writeToParcel(ANativeWindow* _Nonnull window,
+ Parcel* _Nonnull parcel) {
+ int value;
+ int err = (*window->query)(window, NATIVE_WINDOW_CONCRETE_TYPE, &value);
+ if (err != OK || value != NATIVE_WINDOW_SURFACE) {
+ ALOGE("Error: ANativeWindow is not backed by Surface");
+ return STATUS_BAD_VALUE;
+ }
+ // Use a android::view::Surface to parcelize the window
+ android::view::Surface shimSurface;
+ shimSurface.graphicBufferProducer = android::Surface::getIGraphicBufferProducer(window);
+ shimSurface.surfaceControlHandle = android::Surface::getSurfaceControlHandle(window);
+ return shimSurface.writeToParcel(parcel);
+}
+
+extern "C" status_t android_view_Surface_readFromParcel(
+ const Parcel* _Nonnull parcel, ANativeWindow* _Nullable* _Nonnull outWindow) {
+ // Use a android::view::Surface to unparcel the window
+ android::view::Surface shimSurface;
+ status_t ret = shimSurface.readFromParcel(parcel);
+ if (ret != OK) {
+ ALOGE("%s: Error: Failed to create android::view::Surface from AParcel", __FUNCTION__);
+ return STATUS_BAD_VALUE;
+ }
+ auto surface = sp<android::Surface>::make(shimSurface.graphicBufferProducer, false,
+ shimSurface.surfaceControlHandle);
+ ANativeWindow* anw = surface.get();
+ ANativeWindow_acquire(anw);
+ *outWindow = anw;
+ return STATUS_OK;
+}
+
+#endif
+
status_t Surface::writeToParcel(Parcel* parcel) const {
return writeToParcel(parcel, false);
}